CN117212892A

CN117212892A - Ducted air conditioner indoor unit

Info

Publication number: CN117212892A
Application number: CN202311034629.3A
Authority: CN
Inventors: 王晓峰; 邓文祥; 吴川集
Original assignee: Hisense Guangdong Air Conditioning Co Ltd
Current assignee: Hisense Guangdong Air Conditioning Co Ltd
Priority date: 2023-08-16
Filing date: 2023-08-16
Publication date: 2023-12-12

Abstract

The invention discloses a pipeline type air conditioner indoor unit, which comprises: the fan assembly and the heat exchanger are arranged in the shell; the casing includes: the fan assembly is arranged in the air inlet shell to form at least one part of the air inlet module, and the air inlet shell is provided with a first installation part; the heat exchanger is arranged in the air outlet shell to form at least one part of the air outlet module, and a second installation part is arranged on the air outlet shell; when the pipeline type air conditioner indoor unit is installed, the air inlet module and the air outlet module are fixedly connected through the first installation part of the air inlet shell and the second installation part of the air outlet shell. Therefore, the separation of the air inlet module and the air outlet module can be facilitated, and the pipeline type air conditioner indoor unit can be conveniently carried and maintained through a narrow space.

Description

Pipeline type air conditioner indoor unit

Technical Field

The invention relates to the technical field of air conditioners, in particular to a pipeline type air conditioner indoor unit.

Background

The pipeline air conditioner is one kind of split air conditioner and includes indoor unit and outdoor unit connected via refrigerant pipeline to form refrigerant circulating loop. The indoor unit of the duct type air conditioner is installed in a space between ceilings or walls, and blows cool air or hot air directly to each room through an air duct, thus not occupying an inner space of the room. Because of the hidden installation, the indoor attractive appearance is less affected, the structure is simple, and the maintenance is convenient, so the device is widely used.

In the prior art, most pipeline type air conditioner indoor units are of an integrated structure, are heavy in size, and particularly need to be transported and installed through a narrow space such as stairs or corners when being installed, and the pipeline type air conditioner indoor units are divided into two sections, but the mode of connection fixation is complex, and the risk that the pipeline type air conditioner indoor units are unstable in fixed connection and easy to drop exists.

Disclosure of Invention

The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, an object of the present invention is to provide a duct type air conditioner indoor unit, which can facilitate separation of an air inlet module and an air outlet module, thereby facilitating transportation and maintenance of the duct type air conditioner indoor unit through a narrow space.

The pipeline type air conditioner indoor unit comprises a shell, wherein an air inlet and an air outlet are formed in two opposite sides of the shell, and the air outlet is arranged on the front side of the air inlet; the fan assembly is arranged in the shell and is adjacent to the air inlet; the heat exchanger is arranged in the shell, the heat exchanger and the fan assembly are arranged at intervals in the front-rear direction, the heat exchanger is adjacent to the air outlet, and the air sucked by the fan assembly from the air inlet flows out from the air outlet after heat exchange of the heat exchanger; the casing includes: the air inlet shell is provided with the air inlet, the fan assembly is arranged in the air inlet shell to form at least one part of an air inlet module, and a first installation part is arranged on the air inlet shell; the heat exchanger is arranged in the air outlet shell to form at least one part of an air outlet module, and a second installation part is arranged on the air outlet shell; the second installation part corresponds to the first installation part, and when the pipeline type air conditioner indoor unit is installed, the air inlet module and the air outlet module are fixedly connected through the first installation part of the air inlet shell and the second installation part of the air outlet shell.

Therefore, the pipeline type air conditioner indoor unit can be convenient for the separation of the air inlet module and the air outlet module, so that the pipeline type air conditioner indoor unit can be conveniently carried and maintained in a narrow space.

According to some embodiments of the invention, the left and right ends of the front side of the air inlet shell are respectively provided with a flange, the first installation part is arranged on the flange, and the flange is fixedly connected with the air outlet shell through the first installation part and the second installation part.

According to some embodiments of the invention, at least two first mounting portions are provided on each of the flanges, and the at least two first mounting portions are disposed at intervals in the up-down direction.

According to some embodiments of the invention, the fan assembly comprises: the air duct piece is arranged at the rear side of the heat exchanger; the motor and the air duct piece are arranged at intervals in the left-right direction; the fan is arranged in the air duct piece and is in transmission connection with the motor, and the internal air entering the air duct piece from the air inlet flows to the heat exchanger under the driving action of the fan and flows out from the air outlet after heat exchange of the heat exchanger; the motor is arranged on the motor bracket; the air duct piece and the motor support are arranged on the mounting plate, and the mounting plate is fixedly connected with the air outlet shell.

According to some embodiments of the invention, the mounting plate is provided with a plurality of third mounting portions, the air outlet shell is provided with a plurality of fourth mounting portions, and the third mounting portions are fixedly connected with the fourth mounting portions in a one-to-one correspondence.

According to some embodiments of the invention, a hook is arranged on the mounting plate, a hanging groove is arranged on the air outlet shell, and the hook is hung in the hanging groove.

According to some embodiments of the invention, the air intake housing comprises: a first base, the first base comprising: the first side plate is connected to the left side and the right side of the first bottom plate; the first backboard is detachably arranged on the rear sides of the first bottom board and the first side board, and the first backboard is provided with the air inlet; the fan assembly comprises a first side plate, a first top plate, a second top plate and a second side plate, wherein the first top plate is detachably arranged at the top of the first side plate, and the first top plate is a detachable first maintenance plate after the fan assembly breaks down.

According to some embodiments of the invention, the air outlet casing comprises: a second base, the second base comprising: a second bottom plate and a second back plate, the second back plate being connected to a rear side of the second bottom plate, the second back plate being provided with the second mounting portion; the second side plate is detachably arranged on the left side and the right side of the second bottom plate and the second back plate; the second roof, second roof detachably set up in the top of second curb plate after the heat exchanger breaks down, the second roof is detachable second maintenance board.

According to some embodiments of the invention, the first base is an integrally formed metal structural member; and/or the second base is an integrally formed metal structural member.

According to some embodiments of the invention, the length of the air inlet shell in the left-right direction is smaller than the length of the air outlet shell in the left-right direction.

Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Drawings

The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

fig. 1 is a schematic structural view of a duct type air conditioner indoor unit according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of an air inlet shell fixedly connected with an air outlet shell through flanging according to an embodiment of the invention;

FIG. 3 is a schematic view of an air intake module according to an embodiment of the present invention;

FIG. 4 is a schematic diagram of an air outlet module according to an embodiment of the present invention;

FIG. 5 is a schematic view of a fan assembly coupled to an air outlet housing by a mounting plate according to an embodiment of the present invention;

FIG. 6 is a schematic structural view of an air intake housing in accordance with the practice of the present invention;

FIG. 7 is a schematic view of the structure of a first back plate according to an embodiment of the present invention;

FIG. 8 is a schematic view of the structure of a second base according to an embodiment of the present invention;

FIG. 9 is a schematic diagram of a hanging slot on a second back plate according to an embodiment of the present invention;

FIG. 10 is a schematic view of the structure of a hanger on a mounting plate according to an embodiment of the present invention;

FIG. 11 is a partial schematic view of a second back plate having hanging slots thereon according to an embodiment of the present invention;

FIG. 12 is a schematic view of the structure of an air inlet in a fan assembly according to an embodiment of the present invention;

FIG. 13 is a schematic view of a first spacing rib and a second spacing rib distributed on a second back plate according to the present invention;

FIG. 14 is a partial schematic view of a first stop bar according to an embodiment of the present invention;

FIG. 15 is a partial schematic view of a second stop bar according to an embodiment of the present invention;

FIG. 16 is a schematic diagram of a first alignment mark and a second alignment mark according to an embodiment of the present invention;

FIG. 17 is a schematic view of a structure in which a limit groove is provided at the edge of a top plate of an air intake housing according to an embodiment of the present invention;

FIG. 18 is a partial schematic view of a limiting groove according to an embodiment of the present invention;

fig. 19 is a schematic view of a structure in which a scroll casing is provided inside an indoor unit of a duct type air conditioner according to an embodiment of the present invention;

FIG. 20 is a schematic view of a fan disposed within a volute according to an embodiment of the invention;

fig. 21 is a schematic view of the structure of an air supply opening in a scroll casing according to an embodiment of the present invention;

fig. 22 is a schematic structural view of a first clamping portion and a second clamping portion on a volute according to an embodiment of the invention;

FIG. 23 is an isometric schematic of a volute according to an embodiment of the invention;

FIG. 24 is a schematic view of a configuration of an air guide disposed within a volute according to an embodiment of the invention;

FIG. 25 is a schematic structural view of an upper volute according to an embodiment of the invention;

FIG. 26 is a schematic view of the structure of the upper volute containing tangs therein according to an embodiment of the invention;

FIG. 27 is a schematic view of the structure of the lower volute according to an embodiment of the invention;

FIG. 28 is a schematic view of a structure in which vent holes are provided in a second back plate according to an embodiment of the present invention;

FIG. 29 is a schematic view of a hanging hole constructed in accordance with the present invention;

fig. 30 is a schematic structural view of a mounting boss according to an embodiment of the present invention;

FIG. 31 is a schematic view of a guide flange on a mounting plate according to an embodiment of the present invention;

FIG. 32 is a schematic diagram of a structure in which a temperature sensor is disposed on a second back plate according to an embodiment of the present invention;

FIG. 33 is an exploded view of a motor assembly according to an embodiment of the present invention;

FIG. 34 is a schematic view of a structure of a fastener according to an embodiment of the present invention;

FIG. 35 is a schematic view of the structure of a hanger and a hanging slot according to an embodiment of the present invention;

fig. 36 is a schematic view showing a partial structure of an indoor unit of a duct type air conditioner according to an embodiment of the present invention;

fig. 37 is an exploded view of a part of the structure of a duct type air conditioner indoor unit according to an embodiment of the present invention;

FIG. 38 is yet another exploded view of a drip tray according to an embodiment of the invention;

fig. 39 is another structural schematic view of a drip tray according to an embodiment of the present invention;

FIG. 40 is an enlarged view of area A of FIG. 39;

FIG. 41 is a schematic view of a controller disposed at an outlet housing according to an embodiment of the present invention;

FIG. 42 is a schematic diagram of a controller separated from an air outlet housing according to an embodiment of the present invention;

FIG. 43 is a schematic view of the structure of a box cover according to an embodiment of the present invention;

FIG. 44 is an exploded view of a cap according to an embodiment of the present invention;

FIG. 45 is a schematic view of the structure of a mounting plate and motor bracket according to an embodiment of the invention;

FIG. 46 is a front view of a mounting plate and motor bracket according to an embodiment of the invention;

fig. 47 is an exploded view of a duct type air conditioner indoor unit according to an embodiment of the present invention;

FIG. 48 is an enlarged partial view of FIG. 47;

Fig. 49 is a schematic structural view of a second support plate according to an embodiment of the present invention;

fig. 50 is a schematic structural view of a second support plate according to another view angle of an embodiment of the present invention;

FIG. 51 is a schematic structural view of a fastener according to an embodiment of the present invention;

FIG. 52 is a schematic view of the assembly of a controller with a second side panel according to an embodiment of the present invention;

FIG. 53 is an enlarged partial schematic view of FIG. 52;

FIG. 54 is a schematic diagram of a controller according to an embodiment of the present invention;

FIG. 55 is an exploded view of a controller according to an embodiment of the present invention;

fig. 56 is a schematic structural view of a second side plate according to an embodiment of the present invention.

Reference numerals:

100. a pipeline type air conditioner indoor unit;

10. a housing;

20. an air inlet shell; 21. an air inlet; 22. a first mounting portion; 23. an air inlet module; 24. a first flanging;

25. a first base; 251. A first base plate; 252. A first side plate;

26. a first back plate; 27. A first top plate;

30. an air outlet shell; 31. an air outlet; 32. a second mounting portion; 33. an air outlet module; 34. a fourth mounting portion; 35. a hanging groove; 36. a second base; 361. a second base plate; 362. a second back plate; 37. a second side plate; 38. a second top plate;

40. A fan assembly; 41. an air duct member; 42. a motor; 43. a fan; 44. a motor bracket; 45. a mounting plate; 451. a third mounting portion; 452. a hook;

50. a heat exchanger;

200. a plate body; 201. a wind ring;

210. a limit rib; 211. the first limit rib; 212. the second limit rib; 220. a first guiding inclined surface; 221. a second guiding inclined surface;

230. an air inlet;

240. a first limit groove; 250. A first alignment mark; 260. A second alignment mark;

301. an upper volute; 302. A lower volute;

310. an air supply port; 320. an air guide member; 330. a first plane; 340. a second plane; 350. a bending plate;

360. a top plate; 3611. a volute tongue; 3621. an upper side plate; 363. a lower side plate; 364. a bottom plate;

370. a first clamping part; 380. A second clamping part;

400. front flanging; 401. A vent hole; 402. Guiding and flanging;

410. a temperature sensor; 411. A third clamping part; 412. A mounting boss;

500. the second limit groove;

501. a limiting plate; 502. A first fixing member; 503. An upper clamping strip;

504. a lower clamping strip; 505. A limit protrusion;

506. a third limit groove; 510. A connecting strip;

600. a water receiving tray; 601. a water pan body; 602. a second reinforcing rib; 603. a first rib;

610. A first baffle surface; 611. a flow guiding surface; 612. a second blocking rib; 613. positioning ribs;

620. a thermal insulation foam member; 621. a water gap; 640. a guide surface; 650. a water outlet;

700. a controller; 701. a case body; 702. a box cover; 703. a first box cover;

710. a first hanging part; 720. a second box cover; 730. a wire through hole; 740. a second hanging part;

750. assembling the bulge; 760. an electric control board; 761. an electronic component; 762. a terminal;

800. a motor fixing plate; 801. folding edges; 802. a second flanging;

810. positioning columns; 811. a first reinforcing rib; 820. a first support plate; 830. a second mounting hole; 840. a positioning groove; 850. a vent;

900. an extension plate;

910. a second support plate; 920. a third flanging; 930. fourth flanging; 940. fifth flanging; 950. a third reinforcing rib; 960. a flow guiding part;

970. a second fixing member; 980. sixth flanging; 990. seventh flanging;

1000. a third hanging part; 1001. a second via hole; 1002. a second bolt hole; 1003. a through hole;

1004. a fourth hanging part; 1005. eighth flanging; 1006. a first via hole; 1007. a first bolt hole; 1008. a heat sink; 10081. a substrate; 10082. a heat sink; 1009. a reactor.

Detailed Description

Embodiments of the present invention will be described in detail below, with reference to the accompanying drawings, which are exemplary.

A duct type air conditioner indoor unit 100 according to an embodiment of the present invention is described below with reference to fig. 1 to 56.

As shown in fig. 1 to 4, a duct type air conditioner indoor unit 100 according to an embodiment of the present invention includes: the air conditioner comprises a casing 10, a fan assembly 40 and a heat exchanger 50, wherein the casing 10 is used for being installed on a roof, the casing 10 is provided with an air inlet 21 and an air outlet 31 on two opposite sides, the air outlet 31 is arranged on the front side of the air inlet 21, the fan assembly 40 is arranged in the casing 10, the fan assembly 40 is adjacent to the air inlet 21, the heat exchanger 50 is arranged in the casing 10, the heat exchanger 50 and the fan assembly 40 are arranged at intervals in the front-rear direction, the heat exchanger is adjacent to the air outlet 31, and air sucked by the fan assembly 40 from the air inlet 21 flows out from the air outlet 31 after heat exchange of the heat exchanger 50.

The casing 10 includes: the air inlet shell 20 and the air outlet shell 30, the air inlet shell 20 is provided with an air inlet 21, the fan assembly 40 is arranged in the air inlet shell 20 so as to form at least one part of the air inlet module 23, the air inlet shell 20 is provided with a first installation part 22, the air outlet shell 30 is provided with an air outlet 31, the heat exchanger 50 is arranged in the air outlet shell 30 so as to form at least one part of the air outlet module 33, and the air outlet shell 30 is provided with a second installation part 32.

That is, the duct type air conditioner indoor unit 100 includes: an air intake module 23 and an air outlet module 33, the air intake module 23 comprising: the air inlet shell 20 and the fan assembly 40, the fan assembly 40 sets up in the air inlet shell 20, the air inlet shell 20 has the air intake 21, the fan assembly 40 inhales air inlet shell 20 with external air from the air intake 21, the air-out module 33 sets up in one side of air inlet module 23, the air-out module 33 includes air-out shell 30 and heat exchanger 50, the heat exchanger 50 sets up in air-out shell 30, air-out shell 30 is linked together with air inlet shell 20, air-out shell 30 has air outlet 31 moreover, the air of inhaling air inlet shell 20 exchanges heat with heat exchanger 50 and flows from air outlet 31 under the effect of fan assembly 40.

The second mounting portion 32 corresponds to the first mounting portion 22, and when the indoor unit 100 is mounted, the air intake module 23 and the air outlet module 33 are fixedly connected to each other through the first mounting portion 22 of the air intake casing 20 and the second mounting portion 32 of the air outlet casing 30.

In particular, most indoor units of pipeline air conditioners are of an integrated structure, and are heavy in size, and particularly when the indoor units are installed, the indoor units are difficult to transport and install because small spaces such as stairs or corners are needed to pass through. Therefore, when the large box pipeline type air conditioner indoor unit is installed, the machine body can be detached, so that the machine body can be conveniently carried and then assembled into a whole.

The indoor unit 100 of the pipeline air conditioner is mainly composed of an air inlet module 23 and an air outlet module 33, the fan assembly 40 can be embedded in the air inlet shell 20, the heat exchanger 50 is arranged in the air outlet shell 30, the air inlet module 23 is mainly composed of the air inlet shell 20 and the fan assembly 40, and the air outlet module 33 is mainly composed of the air outlet shell 30 and the heat exchanger 50, so that the internal space of the indoor unit 100 of the pipeline air conditioner can be reasonably utilized, and the internal space of the indoor unit is more compact.

Also, be provided with first installation department 22 on the air inlet shell 20, be provided with second installation department 32 on the air-out shell 30 corresponds, first installation department 22 can be the mounting hole through first fastener with second installation department 32 detachable connection, first installation department 22 can be the bolt with second installation department 32, the separation of air inlet module 23 and air-out module 33 can be convenient for like this, in the installation, can split pipeline air conditioner indoor set 100 into two parts, through narrow and small space after again with air inlet module 23 and air-out module 33 equipment integral, so, the transport and the maintenance of pipeline air conditioner indoor set 100 can be convenient for.

Thus, the indoor unit 100 of the duct type air conditioner can facilitate the separation of the air inlet module 23 and the air outlet module 33, thereby facilitating the passing through of a narrow space and facilitating the transportation and maintenance of the indoor unit 100 of the duct type air conditioner.

According to some embodiments of the present invention, as shown in fig. 2, the left and right ends of the front side of the air inlet casing 20 are respectively provided with a first flange 24, the first mounting portion 22 is disposed on the first flange 24, and the first flange 24 is fixedly connected with the air outlet casing 30 through the first mounting portion 22 and the second mounting portion 32.

Wherein, the front side of the air inlet shell 20, that is, the junction of the air inlet shell 20 and the air outlet shell 30, the first flanges 24 at the left and right ends of the front side of the air inlet shell 20 are bent, so that the air inlet shell 20 and the air outlet shell 30 can be conveniently installed and fixed, and the contact area between the air inlet shell 20 and the air outlet shell 30 can be increased by the first flanges 24, so that the air inlet shell 20 and the air outlet shell 30 can be connected more stably and firmly.

Further, the first flange 24 is provided with the first mounting portion 22, and the bolt can penetrate through the first mounting portion 22 and the second mounting portion 32 on the air outlet shell 30 to be locked and fixed, so that the air inlet shell 20 and the air outlet shell 30 are connected to form a whole, and when the first flange 24 is damaged, replacement and maintenance can be facilitated.

According to an embodiment of the present invention, as shown in fig. 2, at least two first mounting portions 22 are provided on each of the first flanges 24, and the at least two first mounting portions 22 are disposed at intervals in the up-down direction.

The first flange 24 at the left end of the front side of the air inlet shell 20 is provided with two first mounting portions 22, the first mounting portions 22 are arranged at intervals in the up-down direction, correspondingly, the second mounting portions 32 are also provided with two second mounting portions 32, and the positions of the second mounting portions 32 corresponding to the first mounting portions 22 are opposite, so that the air inlet shell 20 and the air outlet shell 30 can be fixed in the up-down direction, and the air inlet shell 20 and the air outlet shell 30 can be conveniently mounted and separated. The first mounting portion 22 and the second mounting portion 32 are both mounting holes.

According to some embodiments of the invention, as shown in fig. 5, a fan assembly 40 includes: the air duct piece 41, the motor 42, the fan 43, the motor bracket 44 and the mounting plate 45, the air duct piece 41 is arranged at the rear side of the heat exchanger 50, the motor 42 and the air duct piece are arranged at intervals in the left-right direction, the fan 43 is arranged in the air duct piece 41, the fan 43 is in transmission connection with the motor 42, the motor 42 is arranged on the motor bracket 44, the air duct piece 41 and the motor bracket 44 are both arranged on the mounting plate 45, and the mounting plate 45 is fixedly connected with the air outlet shell 30.

Wherein, motor 42 sets up between two wind channel spare 41, and motor 42 is connected with the fan 43 transmission in the wind channel spare 41, and motor 42 can drive the fan 43 in two wind channel spare 41 simultaneously and rotate, like this, can make the air-out of two wind channel spare 41 more even to can improve the heat exchange efficiency of heat exchanger 50.

In addition, the motor bracket 44 is arranged to facilitate the fixed installation of the motor 42, the air duct member 41 and the motor bracket 44 are fixedly connected to the mounting plate 45, and the fan assembly 40 is fixedly connected to the mounting plate 45, so that the fan assembly 40 and the mounting plate 45 can form a whole, and the fan assembly can be conveniently installed and separated in a module form, thereby improving the assembly efficiency of the indoor unit 100 of the pipeline air conditioner. The fan assembly 40 further includes: the first fixing member 502, and the motor 42 is fixed to the motor bracket 44 by the first fixing member 502.

The air duct member 41 and the motor bracket 44 are both disposed on the mounting plate 45, and the mounting plate 45 is detachably and fixedly connected with the air outlet casing 30.

Specifically, the motor 42 is fixedly mounted on the motor bracket 44, the air duct member 41 and the motor bracket 44 are fixedly connected to the mounting plate 45, the mounting plate 45 and the air outlet shell 30 can be detachably and fixedly connected, so that the motor bracket 44 is more convenient to disassemble and assemble and maintain, and the assembly structure of the fan assembly 40 and the air outlet shell 30 is simpler and more stable, thereby improving the production assembly efficiency and the structural stability of the pipeline air conditioner indoor unit 100.

According to some embodiments of the present invention, as shown in fig. 5, a plurality of third mounting portions 451 are provided on the mounting plate 45, a plurality of fourth mounting portions 34 are provided on the air outlet casing 30, and the plurality of third mounting portions 451 are fixedly connected to the plurality of fourth mounting portions 34 in a one-to-one correspondence.

The third mounting portions 451 and the fourth mounting portions 34 are disposed corresponding to each other, and the third mounting portions 451 and the fourth mounting portions 34 may be fixedly connected by bolts, so that the mounting plate 45 and the air outlet case 30 may be mounted and separated.

According to some embodiments of the present invention, as shown in fig. 9 and 10, a hook 452 is provided on the mounting plate 45, a hanging groove 35 is provided on the air outlet case 30, and the hook 452 is hung in the hanging groove 35.

Wherein, mounting panel 45 is connected the cooperation through hanging groove 35 on couple 452 and the air-out shell 30, in the installation, couple 452 can play the effect of location direction, and mounting panel 45 and air-out shell 30 are first fixed a position, then install, and finally, mounting panel 45 passes through the bolt and locks fixedly, so, can improve the installation effectiveness of mounting panel 45 and air-out shell 30.

According to some alternative embodiments of the present invention, as shown in fig. 5, the motor bracket 44 is welded to the mounting plate 45. Specifically, the motor bracket 44 and the mounting plate 45 are connected into a firm whole through welding, and compared with other connection modes, such as screwing, bonding and the like, the motor bracket can directly process a welded structure, can avoid perforating and drilling holes on the structure, can also prevent the sectional area of the material from being damaged, thereby reducing the manufacturing workload and improving the material utilization rate; and the force transmission route between the connecting structures is shorter, the air tightness and the water tightness are better, and the structural rigidity is also higher, so that the structural integrity and the connection firmness of the motor bracket 44 and the mounting plate 45 are improved.

Specifically, as shown in fig. 45, the air outlet case 30 has a plurality of first mounting holes, the mounting plate 45 has a plurality of second mounting holes 830, and the plurality of first mounting holes and the plurality of second mounting holes 830 are fixedly connected by a plurality of fasteners, respectively. The fasteners respectively penetrate through the second mounting holes 830 on the mounting plate 45 and the first mounting holes on the air outlet shell 30 in a one-to-one correspondence manner, so that the air outlet shell 30 and the mounting plate 45 can be fixedly connected into a firm whole, and compared with other connection modes such as bonding, welding and the like, the connection mode can be based on the satisfied connection strength, and can be convenient for a user to flexibly detach and assemble the air outlet shell 30 and the mounting plate 45 through tools, so that the convenience of dismounting after maintenance is improved.

According to an embodiment of the present invention, as shown in fig. 6, the air intake housing 20 includes: a first base 25, a first back plate 26, and a first top plate 27, the first base 25 comprising: the fan assembly comprises a first bottom plate 251 and first side plates 252, wherein the first side plates 252 are connected to the left side and the right side of the first bottom plate 251, the first back plate 26 is detachably arranged on the rear sides of the first bottom plate 251 and the first side plates 252, the first back plate 26 is provided with an air inlet 21, the first top plate 27 is detachably arranged on the top of the first side plates 252, and after the fan assembly 40 breaks down, the first top plate 27 is a detachable first maintenance plate.

Specifically, the first base 25 in the air inlet shell 20 is an integral structure, the first base 25 mainly comprises a first bottom plate 251 and a first side plate 252, the first base 25 is integrally in a U-shaped structure, the front side, the rear side and the top of the first base 25 are all in open arrangement, wherein the top of the first base 25 is in open arrangement and is used for being detachably connected and matched with the first top plate 27, and the front side and the rear side of the first base 25 are in open arrangement, so that air sucked by the air inlet shell 20 can be conveniently sent to the air outlet shell 30.

In addition, the first back plate 26 can be detachably arranged at the rear sides of the first bottom plate 251 and the first side plate 252, so that the first back plate 26 can be maintained conveniently, and the air inlet 21 on the first back plate 26 can play a role in guiding air and also can ensure the air inlet quantity. The first roof 27 can dismantle the setting, can be convenient for inspect inside the air inlet shell 20, also can be convenient for the change of internals, and further, first roof 27 can also be as first maintenance board, when air inlet shell 20 needs maintenance, can dismantle first maintenance board to the maintenance of air inlet shell 20 can be convenient for.

According to some embodiments of the invention, as shown in fig. 7, the first back plate 26 includes: the plate 200 and the wind ring 201, the wind ring 201 is arranged on the plate 200, and the wind ring 201 extends to the rear side, and the wind ring 201 is elliptical as a whole, so that the air inlet 21 can be formed.

Specifically, the first back plate 26 is mainly composed of the plate body 200 and the wind ring 201, and the first back plate 26 may be integrally formed, so that the first back plate 26 may be manufactured conveniently. The wind ring 201 extends to the rear side, so that the wind guiding effect can be achieved, the wind inlet direction of the wind inlet 21 can be changed, the wind ring 201 is of an oval design as a whole, and the wind inlet area of the wind inlet 21 can be further enlarged under the condition of the same size of the casing 10, so that the wind inlet quantity can be increased.

In addition, be provided with fixed buckle on the wind ring 201, can set up four fixed buckles on wind ring 201, four fixed buckles set up along the circumference interval of wind ring 201 to can be convenient for the installation of wind channel is fixed.

Further, as shown in fig. 7, the air inlet 21 is constructed in an oval shape, the major axis of which is in the left-right direction and the length of which is longer than the length of the duct member 41 of the blower assembly 40 in the left-right direction, and the air sucked from the air inlet 21 is sucked inward from the air inlets 230 on both sides of the duct member 41. The air inlet 21 is provided with an oval shape under the condition of the same size of the casing 10, so that the air inlet area can be maximized.

Specifically, the elliptical long axis extends in the left-right direction, so that the air intake area of the air intake 21 can be enlarged, and the length of the elliptical long axis is greater than the length of the air duct member 41 in the left-right direction, so that the air sucked from the air intake 21 can fully satisfy the air supply amount of the air duct member 41, and further, the air sucked from the air intake 21 is respectively sucked from the air inlets 230 on both sides of the air duct member 41, so that the air intake speed can be further increased, and the heat exchange efficiency of the heat exchanger 50 can be further improved.

According to some embodiments of the present invention, as shown in fig. 5 and 8, the air outlet case 30 includes: a second base 36, a second side plate 37, and a second top plate 38, the second base 36 including: the second bottom plate 361 and the second back plate 362, the second back plate 362 is connected to the rear side of the second bottom plate 361, the second back plate 362 is provided with the second mounting portion 32, the second side plate 37 is detachably arranged on the left and right sides of the second bottom plate 361 and the second back plate 362, the second top plate 38 is detachably arranged on the top of the second side plate 37, and after the heat exchanger 50 fails, the second top plate 38 is a detachable second maintenance plate.

The second base 36 in the air outlet casing 30 is integrally designed, and the second base 36 is mainly composed of a second bottom plate 361 and a second back plate 362, so that the overall strength and rigidity of the second base 36 are improved, and the second back plate 362 is integrally formed at the rear side of the bottom plate 364, and is integrally L-shaped, so that the structural strength and the production efficiency of the second base 36 can be improved.

Further, the second back plate 362 extends upwards to separate the air inlet casing 20 from the air outlet casing 30, and the second back plate 362 can also facilitate the fixed connection between the air inlet casing 20 and the air outlet casing 30, and can also realize the rapid separation of the air inlet casing 20 and the air outlet casing 30, so as to improve the assembly efficiency of the air inlet casing 20 and the air outlet casing 30.

In addition, the second side plates 37 are respectively arranged at the left and right sides of the second base 36, so that the formation of the air outlet channel can be facilitated, and the second side plates 37 can support the second base 36, thereby further increasing the strength of the second base 36.

Wherein, the second top plate 38, the second bottom plate 361 and the two second side plates 37 may form the air outlet 31 at the front side, thereby facilitating the air outlet. The second top plate 38 may also serve as a second service plate for the outlet housing 30, thereby facilitating inspection and replacement of parts inside the outlet housing 30.

According to some embodiments of the present invention, the second back plate 362 is integrally formed at the rear side of the second bottom plate 361, and the second back plate 362 extends upward, the air inlet housing 20 is fixedly connected to the second back plate 362, the second side plates 37 are respectively fixed at the left and right sides of the second base 36, the second top plate 38 is fixedly connected to the second side plates 37 and the second back plate 362, and the second top plate 38, the second bottom plate 361 and the two second side plates 37 form the air outlet 31 at the front side.

Specifically, the second base 36 of the air outlet casing 30 in the indoor unit 100 mainly comprises a second bottom plate 361 and a second back plate 362, the second bottom plate 361 and the second back plate 362 of the indoor unit 100 are generally separated, and the second bottom plate 361 and the second back plate 362 are connected by screws, so that some screws are wasted.

The second back plate 362 extends upwards, the second back plate 362 can separate the air inlet shell 20 from the air outlet shell 30, the second back plate 362 can also facilitate the fixed connection between the air inlet shell 20 and the air outlet shell 30, and the second back plate 362 can also realize the rapid separation of the air inlet shell 20 and the air outlet shell 30, so as to improve the assembly efficiency of the air inlet shell 20 and the air outlet shell 30.

Thus, the second base 36 of the indoor unit 100 is integrally formed, so that the structural strength of the second base 36 can be improved, the production efficiency can be improved, and the disassembly can be facilitated, thereby improving the assembly efficiency of the indoor unit 100.

According to some embodiments of the invention, as shown in fig. 28, the second base 36 further comprises: the front flange 400 is integrally formed at the front side of the second bottom plate 361, and the front flange 400 extends upward, and the upper edge of the front flange 400 is used for defining the air outlet 31.

The front flange 400 is bent relative to the second bottom plate 361, so as to limit the air outlet direction of the air outlet 31, and the heat exchanger 50 is disposed at the second base 36 of the air outlet casing 30, so that condensed water is generated, and the front flange 400 can prevent the condensed water from overflowing, thereby improving the safety of the indoor unit 100 of the pipeline air conditioner.

Thus, as shown in fig. 6 and 8, the first base 25 is an integrally formed metal structure, and/or the second base 36 is an integrally formed metal structure. In this way, the first base 25 and the second base can be formed quickly, the manufacturing efficiency of the first base 25 and the second base 36 can be improved, and the separation and installation of the indoor unit 100 of the pipeline air conditioner can be facilitated.

According to some embodiments of the present invention, the length of the air inlet housing 20 in the left-right direction is smaller than the length of the air outlet housing 30 in the left-right direction.

Wherein, in the left and right directions, the length of air inlet shell 20 is less than the length of air-out shell 30, and the volume of air inlet shell 20 comparing air-out shell 30 is less, so, air inlet shell 20 can be placed in the less department in space, for example, on the roof beam that air inlet shell 20 can pass triangle-shaped roof, like this, can satisfy the demand in different installation space, has fine suitability.

The specific arrangement of the inlet housing 20 and the outlet housing 30 will be described in further detail below.

According to some embodiments of the present invention, as shown in fig. 28 and 29, two ventilation holes 401 may be provided on the second back plate 362, and two fans 43 are also provided in the fan assembly 40 corresponding to the two ventilation holes 401, so that the fans 43 may send sucked air to the heat exchanger 50 of the air outlet casing 30 through the ventilation holes 401. Further, a plurality of ventilation holes 401 may be provided on the second back plate 362 to correspond to the plurality of fans 43, and the air supply speed may be further increased, so that the heat exchange efficiency of the heat exchanger 50 may be improved.

As shown in fig. 29, the edge of the ventilation hole 401 is provided with a guiding flange 402, the air duct member 41 may be configured as a volute, two sides of the volute are provided with air inlets 230, the front side of the volute is provided with an air supply opening 310, the air supply opening 310 and the ventilation hole 401 are oppositely arranged in the front-rear direction, and the guiding flange 402 is in guiding fit with the edge of the air supply opening 310.

The guiding flange 402 on the second back plate 362 is bent towards the air outlet casing 30, and the edge of the guiding flange 402 is smooth, so as to guide the air supply.

Moreover, the air supply outlet 310 at the front side of the volute is in guiding fit with the edge of the ventilation hole 401, so that the air outlet at the joint of the air supply outlet 310 and the ventilation hole 401 can be ensured to be uniform.

According to some embodiments of the present invention, as shown in fig. 9, 10 and 29, the second back plate 362 is provided with a hanging groove 35, the mounting plate 45 is provided with a hook 452, and the hook 452 is hung in the hanging groove 35.

The shape of the hanging groove 35 on the second back plate 362 is a drop shape, the hanging grooves 35 are multiple, the hanging grooves 35 are arranged corresponding to the air supply outlets 310 of the spiral case, four hanging grooves 35 can be arranged at each air supply outlet 310, the four hanging grooves 35 are circumferentially distributed along the air supply outlets 310, in addition, the four hanging grooves 35 are symmetrically arranged, four hooks 452 are correspondingly arranged on the mounting plate 45, the hooks 452 are hung in the hanging grooves 35, and therefore, the fan assembly 40 and the second back plate 362 can be mounted, and accordingly, the assembly efficiency of the fan assembly 40 and the second back plate 362 can be improved. The number of the hanging grooves 35 may be two.

According to some embodiments of the present invention, the width of the hanging groove 35 is tapered in a top-down direction as shown in fig. 29.

Wherein, the width of hanging groove 35 is great department, can be convenient for couple 452 to get into, the width that enters into hanging groove 35 when couple 452 is less department, and hanging groove 35 can carry out further spacing cooperation to couple 452 to can guarantee the tight fit of couple 452 and hanging groove 35, also can guarantee the stability that fan subassembly 40 and second backplate 362 are connected, after fan subassembly 40 hangs in hanging groove 35, then adopt the bolt with mounting panel 45 fixed connection on second backplate 362, thereby can make fan subassembly 40 and the more stable and firm of second backplate 362 connection. The mounting plate 45 is provided with holes corresponding to the ventilation holes 401.

In addition, the second back plate 362 is arranged on the rear side of the air outlet shell 30, so that the second back plate 362 of the air outlet shell 30 is fixedly connected with the first flanging 24 of the air inlet shell 20 through four bolts, the installation and the disassembly can be facilitated, namely, the connection position of the air inlet shell 20 and the air outlet shell 30 is formed in the rear side of the air outlet shell 30, the four bolts are symmetrically arranged, the stress of the locking and fixing position of the bolts of the second back plate 362 and the first flanging 24 is more uniform, and the connection stability and firmness of the air inlet shell 20 and the air outlet shell 30 can be ensured.

According to some embodiments of the present invention, the second back plate 362 is detachably and fixedly connected to the air intake housing 20, and the second back plate 362 is also detachably and fixedly connected to the fan assembly 40, and when the indoor unit 100 of the duct type air conditioner is installed, the air intake housing 20, the air intake housing 30, and the fan assembly 40 are respectively introduced into the roof through the maintenance ports.

As shown in fig. 8, the second back plate 362 is disposed between the air inlet casing 20 and the air outlet casing 30, so that the air inlet casing 20 and the air outlet casing 30 can be detached and installed relative to the second back plate 362, and the air inlet casing 20, the fan assembly 40 and the air outlet casing 30 can be detached when the indoor unit 100 of the pipeline air conditioner is installed on a roof, and the air inlet casing 20, the fan assembly 40 and the air outlet casing 30 can be assembled after passing through a maintenance port, so that the installation rate of the indoor unit 100 of the pipeline air conditioner can be improved.

Accordingly, the second back plate 362 is disposed between the air inlet casing 20 and the air outlet casing 30, so that the air inlet casing 20, the fan assembly 40 and the air outlet casing 30 can be relatively separated or joined, and thus the pipe type air conditioner indoor unit 100 can be rapidly detached and installed, so that the installation or detachment efficiency can be improved, the time can be saved, and the pipe type air conditioner indoor unit 100 can pass through the triangular roof beam, so that the pipe type air conditioner indoor unit 100 can be installed under severe conditions.

In addition, as shown in FIG. 2, each of the first flanges 24 is removably fixedly connected to the second back plate 362 by at least two first fasteners. It will be appreciated that the air inlet shell 20 is provided with the first flange 24 on a side far away from the air outlet shell 30, and the first flange 24 is located on the left side and the right side of the air inlet shell 20, so that the first flange 24 protects the edge of the air inlet 21, the air flow is not affected to flow into the air inlet 21, the first flange 24 on the left side and the second flange 362 on the right side are connected through fasteners, so that the first flange 24 and the second flange 362 are connected into a whole, that is, the air inlet 21 and the second flange 362 are connected into a whole, further, the structural strength of the pipeline air conditioner indoor unit 100 can be improved, and the first flange 24 and the second flange 362 can be separated by disassembling the fasteners, so that the pipeline air conditioner indoor unit 100 can be installed under severe conditions conveniently.

Likewise, the second back plate 362 and the fan assembly 40 are removably fixedly coupled by a plurality of second fasteners. That is, the second back plate 362 and the fan assembly 40 are adjacently disposed, so that the second back plate 362 and the fan assembly 40 can be connected into a whole through a plurality of second fastening members, and the plurality of second fastening members can be detached when the duct type air conditioner indoor unit 100 needs to be maintained or installed, so that the fan assembly 40 and the second back plate 362 can be separated, the installation efficiency of the duct type air conditioner indoor unit 100 can be improved, and the duct type air conditioner indoor unit 100 is convenient for maintenance and repair of the interior.

For example, the number of second fasteners may be two, such that the two second fasteners may be located on the left and right sides of the second back plate 362 and the fan assembly 40, thereby making the connection of the second back plate 362 and the fan assembly 40 more secure.

According to some embodiments of the present invention, as shown in fig. 32, the indoor unit 100 of the duct type air conditioner further includes: the temperature sensor 410, the temperature sensor 410 is located at one side of the ventilation hole 401, and can be used for detecting the temperature of wind, the temperature sensor 410 is provided with a third clamping portion 411, the second back plate 362 is provided with a fourth clamping portion, and the fourth clamping portion is in clamping fit with the third clamping portion 411.

Specifically, the temperature sensor 410 is disposed in the indoor unit 100 of the duct type air conditioner, and the temperature sensor 410 can detect the temperature of the air supply, so that the temperature of the air supply can be adjusted in real time according to the detected actual temperature value, wherein the temperature sensor 410 is detachably connected with the second back plate 362, so that the installation and the detachment of the temperature sensor 410 can be facilitated.

According to an embodiment of the present invention, as shown in fig. 29 and 30, the third clamping portion 411 is a buckle, the second back plate 362 is provided with a mounting boss 412 protruding toward the rear side, and the fourth clamping portion is a clamping hole provided on the mounting boss 412, and the buckle is in clamping fit with the clamping hole.

Specifically, the third clamping portion 411 on the temperature sensor 410 is a buckle, and the second back plate 362 is correspondingly provided with a clamping hole, and the buckle is in clamping fit with the clamping hole, so that the temperature sensor 410 can be conveniently installed and disassembled.

According to some embodiments of the present invention, as shown in fig. 12, the second back plate 362 is provided with a plurality of limiting ribs 210, the plurality of limiting ribs 210 are disposed around the fan assembly 40, and the plurality of limiting ribs 210 are respectively in limiting fit with the air inlet casing 20 in the up-down direction and the left-right direction.

The shape of the spacing rib 210 arranged on the second back plate 362 is a trapezoid, the head of the spacing rib 210 is provided with an inclined plane, the root of the spacing rib 210 is a straight line segment, a plurality of spacing ribs 210 are uniformly arranged around the fan assembly 40 at intervals around the second back plate 362, a plurality of spacing ribs 210 are respectively arranged at the upper and lower positions of the second back plate 362 and at the left and right sides of the second back plate 362, and the spacing ribs 210 start to play a guiding role, so that the assembly of the air outlet shell 30 and the air inlet shell 20 can be facilitated.

In addition, the air inlet shell 20 and the air outlet shell 30 are integrally drawn in the assembly process, positioning assembly can be performed, the air inlet shell 20 and the air outlet shell 30 are not fixed by screws, assembly efficiency can be improved, and further, the limiting ribs 210 play a role in limiting fit, so that the relative positions of the air outlet shell 30 and the air inlet shell 20 can be prevented from shifting.

According to some embodiments of the present invention, as shown in fig. 13 to 15, the plurality of stopper ribs 210 includes: the first limiting ribs 211 are respectively arranged at the left side and the right side of the fan assembly 40, the first limiting parts are provided with first guide inclined planes 220, and the edges of the left side and the right side of the air inlet shell 20 are in limiting fit with the first limiting ribs 211 in the left-right direction after being guided by the first guide inclined planes 220.

Specifically, the plurality of first spacing ribs 211 may be four, where two first spacing ribs 211 are disposed on the left side of the fan assembly 40, and the remaining two first spacing ribs 211 are disposed on the right side of the fan assembly 40, where the first spacing ribs 211 on the left and right sides of the fan assembly 40 are symmetrically disposed, so that not only the air inlet casing 20 and the air outlet casing 30 can play a role in positioning, but also the air inlet casing 20 and the air outlet casing 30 play a role in spacing fit in the left and right directions.

Further, the first guiding inclined plane 220 can guide the left and right sides of the air inlet housing 20, so that the air inlet housing 20 and the air outlet housing 30 can be conveniently assembled, and the first limiting ribs 211 on the air outlet housing 30 are in limiting fit with the air inlet housing 20 in the left and right directions, so that the air inlet housing 20 and the air outlet housing 30 can be prevented from being shifted in the left and right directions.

According to some embodiments of the present invention, as shown in fig. 13 and 18, the plurality of stopper ribs 210 includes: the second spacing ribs 212 are respectively arranged on the upper side and the lower side of the fan assembly 40, the second spacing ribs 212 are provided with second guide inclined planes 221, the edges of the upper side and the lower side of the air inlet shell 20 are provided with a plurality of first spacing grooves 240, and the first spacing grooves 240 are in spacing fit with the second spacing ribs 212 in the upper and lower directions after being guided by the second guide inclined planes 221.

For example, the plurality of second limiting ribs 212 may be four, where two second limiting ribs 212 are disposed above the second back plate 362, and the remaining two second limiting ribs 212 are disposed below the second back plate 362, so that the second limiting ribs 212 disposed above and below the second back plate 362 are assembled with the air inlet casing 20 by setting the second guiding inclined planes 221 on the second limiting ribs 212. Alternatively, the plurality of second spacing ribs 212 may be two, and two second spacing ribs 212 are disposed near the top of the second back plate 362.

Further, as shown in fig. 17 and fig. 18, a plurality of first limiting grooves 240 are respectively provided on the upper and lower sides of the air inlet casing 20 corresponding to the plurality of limiting ribs 210 on the air outlet casing 30, the plurality of limiting ribs 210 are in limiting fit with the plurality of first limiting grooves 240, and in the process of matching the plurality of limiting ribs 210 with the plurality of first limiting grooves 240, the plurality of limiting ribs 210 start to play a guiding role, so that the plurality of limiting ribs 210 can be conveniently assembled with the air inlet casing 20, and the limiting ribs 210 can also be in limiting fit with the first limiting grooves 240, so that dislocation of the air inlet casing 20 and the air outlet casing 30 can be prevented, and stability of the air inlet casing 20 and the air outlet casing 30 can be ensured.

According to some embodiments of the present invention, as shown in fig. 16, a first alignment mark 250 is provided on the air inlet casing 20, a second alignment mark 260 is provided on the air outlet casing 30, the first alignment mark 250 and the second alignment mark 260 are oppositely provided in the front-rear direction, and the first alignment mark 250 and the second alignment mark 260 are used for alignment fixation of the air inlet casing 20 and the air outlet casing 30.

The first alignment mark 250 and the second alignment mark 260 may be set as an indication arrow, and the first alignment mark 250 on the air inlet casing 20 and the second alignment mark 260 set on the air outlet casing 30 are set relatively, so that positioning and matching between the air inlet casing 20 and the air outlet casing 30 may be facilitated.

Specifically, during the assembly process of the air inlet shell 20 and the air outlet shell 30, the air inlet shell 20 and the air outlet shell 30 are initially aligned through the first alignment mark 250 and the second alignment mark 260, and then, the air inlet shell 20 and the air outlet shell 30 are fixedly connected through the first flanges 24 arranged on the left side and the right side of the air inlet shell 20 by adopting four fixing bolts, so that the air inlet shell 20 and the air outlet shell 30 can be conveniently aligned and fixed, and the assembly efficiency of the air inlet shell 20 and the air outlet shell 30 can be improved.

In addition, the first positioning mark is disposed on the top surface of the air inlet casing 20 and is located at the center line in the left-right direction, and the second positioning mark is disposed on the top surface of the air outlet casing 30 and is located at the center line in the left-right direction.

It can be appreciated that the first positioning mark is located at a midpoint of one end of the air inlet shell 20, the second positioning mark is located at a midpoint of one point of the air outlet shell 30, and the arrow tip of the air inlet shell 20 faces the air outlet shell 30, and the arrow tip of the air outlet shell 30 faces the air inlet shell 20, so that when the air inlet shell 20 and the air outlet shell 30 are conveniently installed, the positioning and the installation are performed by using the arrow mark, and the installation efficiency of the indoor unit 100 of the pipeline air conditioner can be improved.

Wherein, the interior of the air inlet shell 20 is adhered with noise reduction sponge which is used for reducing air inlet noise. Noise-reducing sponge is stuck around the air inlet shell 20, and can absorb the sound of the fan 43 in the air inlet shell 20, so that the noise can be reduced.

The arrangement of the motor bracket 44 is described in detail below.

According to some alternative embodiments of the present invention, as shown in connection with fig. 45, the motor bracket 44 includes a motor fixing plate 800 and a first support plate 820, the motor fixing plate 800 is disposed on the mounting plate 45, and the motor fixing plates 800 are spaced apart in the left-right direction, the motor fixing plate 800 is fixedly coupled with the motor 42, and the first support plate 820 is coupled between the motor fixing plates 800.

Specifically, the motor fixing plate 800 is fixedly connected with the mounting plate 45, the motor fixing plate 800 is disposed at intervals in the left-right direction, and the first support plate 820 is connected between the motor fixing plates 800, so that the mounting plate 45, the motor fixing plate 800 and the first support plate 820 can be formed into a relatively stable closed support structure, and the weight and the spatial mode of each other can be mutually increased, thereby improving the respective structural strength and bending rigidity thereof. The motor fixing plate 800 forms a fixed support connection to two axial ends of the motor 42, so that the position stability of the motor 42 can be improved, and the normal operation of the motor 42 is ensured.

Specifically, as shown in fig. 45, the motor fixing plate 800 is provided with folded edges 801 toward the upper and lower ends of one side of the motor 42, the folded edges 801 are folded toward the motor fixing plate 800 of the other side, and the folded edges 801 are integrally formed on the motor fixing plate 800. Wherein, motor fixing plates 800 are respectively arranged at two axial sides of the motor 42, and the motor fixing plates 800 are provided with folded edges 801 in a bending way towards one side of the motor 42, so that the space mode of the motor fixing plates 800 can be increased, and the bending and torsion resistance of the motor fixing plates 800 can be increased; and the hem 801 structure is also more convenient for the user to take and grasp to promote transportation and assembly's convenience.

In particular, the flange 801 and the motor fixing plate 800 are integrally formed by a processing technology, compared with split assembly, the motor fixing plate can be formed faster, has stronger overall stability and higher plasticity, and can effectively reduce processing and manufacturing links, so that the practicality and the economy of the motor fixing plate are improved.

Further, as shown in fig. 45, a second flange 802 is disposed on a side of the motor fixing plate 800 facing the mounting plate 45, the second flange 802 is welded to the mounting plate 45, and the second flange 802 is integrally formed on the motor fixing plate 800. The second flanging 802 is formed on one side of the motor fixing plate 800 facing the mounting plate 45, and the second flanging 802 can increase the connection contact area between the motor fixing plate 800 and the mounting plate 45, so as to provide better welding conditions for the welding connection between the motor fixing plate 800 and the mounting plate 45, thereby improving the connection firmness and reducing the welding difficulty; and the second flange 802 may increase the spatial mode of the motor fixing plate 800, thereby increasing the bending and torsional rigidity of the motor fixing plate 800. In addition, compared with other connection modes, such as screw bonding, the welding has the advantages of higher connection strength, better compactness and higher integrity, thereby improving the connection reliability and stability of the motor fixing plate 800 and the mounting plate 45.

In particular, the second flange 802 and the motor fixing plate 800 are integrally formed by a processing technology, compared with split assembly, so that the motor fixing plate is faster in forming, stronger in overall stability and higher in plasticity, and processing and manufacturing links can be effectively reduced, so that the practicality and the economical efficiency of the motor fixing plate are improved.

Specifically, as shown in fig. 45 and 46, a positioning groove 840 is provided on the mounting plate 45, and a positioning post 810 is provided on the second flange 802, and the positioning post 810 is in positioning fit with the positioning groove 840. Wherein, the positioning groove 840 on the mounting plate 45 is matched with the positioning column 810 on the second flanging 802 in a positioning way, so that the pre-positioning function can be realized for the assembly connection of the mounting plate 45 and the motor fixing plate 800, the assembly efficiency can be improved, and the assembly accuracy can also be improved.

Further, as shown in fig. 45, the motor fixing plate 800 is provided with a plurality of first reinforcing ribs 811, and the plurality of first reinforcing ribs 811 are provided at intervals in the vertical direction. The plurality of first reinforcing ribs 811 are disposed at intervals along the vertical direction of the motor fixing plate 800, compared with a straight plate-shaped structure, so that the spatial mode of the motor fixing plate 800 can be increased, and the bending and torsion resistance of the motor fixing plate 800 is increased, and the structural reliability of the motor fixing plate 800 is improved. For example, the motor bracket 44 is integrally in a pi-shaped structure, the periphery of the motor bracket is folded 801, the first reinforcing ribs 811 are arranged on two sides of the motor bracket, and the four positioning columns 810 are integrally welded on the mounting plate 45, so that the structural stability can be effectively improved.

According to some alternative embodiments of the present invention, as shown in fig. 33, the motor bracket 44 is provided with a limiting plate 501, the limiting plate 501 is located at two sides of the shaft end of the motor 42, the first fixing pieces 502 are respectively disposed at two sides of the shaft end of the motor 42, the first fixing pieces 502 are in clamping fit with the limiting plate 501, and the first fixing pieces 502 are in limiting fit with the shaft end of the motor 42. Specifically, in the axial direction, the motor bracket 44 is provided with limiting plates 501 located at two sides of the motor 42, the limiting plates 501 can limit the movement of the motor 42 in the axial direction, and the first fixing pieces 502 located at two sides of the motor 42 are correspondingly engaged with the limiting plates 501, so that the motor bracket 44, the motor 42 and the first fixing pieces 502 can be connected into a firm whole, and a limiting effect in the radial direction can be formed on the motor 42 together with the limiting plates 501; the first fixing member 502 forms a limit fit with the shaft end of the motor 42, so that the first fixing member 502 further forms a limit effect on the motor 42 along the radial direction, and the shaft end of the motor 42 forms a limit effect on the first fixing member 502 along the axial and radial directions, thereby improving the position stability of the motor 42 and the first fixing member 502. The limiting plate 501 and the motor fixing plate 800 may be integrally formed.

Specifically, as shown in fig. 35, the first fixing member 502 includes: the upper clamping strip 503 and the lower clamping strip 504, the upper end of the upper clamping strip 503 is matched with the upper end of the limiting plate 501 in a clamping manner, the upper end of the lower clamping strip 504 is matched with the lower end of the upper clamping strip 503 in a clamping manner, the lower end of the lower clamping strip 504 is matched with the lower end of the limiting plate 501 in a clamping manner, and at least one of the upper clamping strip 503 and the lower clamping strip 504 is matched with the shaft end of the motor 42 in a limiting manner.

Specifically, the upper end of the upper clamping strip 503 is in clamping fit with the upper end of the limiting plate 501, the upper clamping strip 503 and the lower clamping strip 504 are symmetrically arranged, the lower end of the lower clamping strip 504 is in clamping fit with the lower end of the limiting plate 501, and the lower end of the upper clamping strip 503 and the upper end of the lower clamping strip 504 are integrally matched through clamping connection, so that the limiting plate 501, the upper clamping strip 503 and the lower clamping strip 504 form a limiting effect on the motor 42 along the radial direction and the axial direction together, and the position stability of the motor 42 is improved; and compared with other connection modes, the clamping connection is under the premise of connecting the upper clamping strip 503 and the lower clamping strip 504 together, so that the operation of disassembling and replacing the motor 42 in the after-sale process can be more convenient, and the assembly modularization and the assembly and disassembly convenience are improved.

Further, as shown in fig. 35, a second limit groove 500 is provided on the outer periphery of the shaft end of the motor 42, and at least one of the upper clamping strip 503 and the lower clamping strip 504 is provided with a limit protrusion 505, and the limit protrusion 505 is in limit fit with the second limit groove 500. For example, the second limit groove 500 on the outer periphery of the shaft end of the motor 42 and the limit protrusion 505 in the upper clamping strip 503 are formed with limit fit, so that the motor 42 and the upper clamping strip 503 can mutually limit movement of each other, and the problem that the upper clamping strip 503 slips off and falls on the shaft end of the motor 42 is prevented, thereby improving the position stability of the motor 42 and the first fixing member 502.

Specifically, as shown in fig. 35, the indoor unit 100 of the duct type air conditioner further includes a connection bar 510, and two ends of the connection bar 510 are fixedly connected with the first fixing members 502 at two sides, respectively. The first fixing pieces 502 at two sides of the shaft end of the motor 42 are respectively and fixedly connected with two ends of the connecting strip 510, so that the axial distance between the first fixing pieces 502 at two sides of the motor 42 can be limited, and the first fixing pieces 502 at two sides form a limiting effect in the axial direction to each other through the stop at the shaft end of the motor 42, so that the position stability of the first fixing pieces 502 is further improved.

According to some alternative embodiments of the present invention, as shown in fig. 34, a hook 452 is provided on the mounting plate 45, a third limit groove 506 is provided at the bottom of the hook 452, a hanging groove 35 is provided on the air outlet casing 30, the hook 452 is hung in the hanging groove 35, and the third limit groove 506 is in limit fit with the hanging groove 35. Wherein, be provided with the couple 452 towards air-out shell 30 direction on the mounting panel 45, set up on the air-out shell 30 and hang the groove 35, couple 452 protrusion is hung on the mounting panel 45 and is located in hanging the groove 35, couple 452 plays the effect of leading the position in advance, can be more convenient for the mounting panel 45 assemble on air-out shell 30, the spacing cooperation of the third spacing groove 506 of couple 452 bottom and the hanging groove 35 on the air-out shell 30, so can more accurately fix the relative position of mounting panel 45 and air-out shell 30 to improve the connection fastness and the position accuracy of mounting panel 45 and air-out shell 30.

The structure of the duct member will be described in detail below.

According to some embodiments of the present invention, as shown in fig. 22-27, the air duct member 41 is configured as a scroll casing, the scroll casing is disposed in the casing 10, the fan 43 is disposed in the scroll casing and is in driving connection with the motor 42, and the scroll casing includes: the upper volute 301 and the lower volute 302, the upper volute 301 is arranged above the lower volute 302, the upper volute 301 and the lower volute 302 are jointly formed with an air inlet 230 and an air outlet 310, the fan 43 sends air at the air inlet 230 out of the air outlet 310, at least one of the upper volute 301 and the lower volute 302 is provided with an air guide piece 320 at the air outlet 310, and the air guide piece 320 is used for guiding air at the air outlet 310.

Specifically, the air outlet 31 in the casing 10 is configured to discharge air, and the fan assembly 40 generally has the problems of small air output and uneven air output, so that the motor 42 in the fan assembly 40 drives the fan 43 in the volute to rotate, the fan 43 can blow the air sucked by the air inlet 21 into the heat exchanger 50, and the heat exchanger 50 is separated from the fan assembly 40. Like this, heat exchanger 50 and fan subassembly 40 become the module setting respectively, can be convenient for the installation and the dismantlement of heat exchanger 50 and fan subassembly 40, also can be convenient for maintain, blow in the wind of heat exchanger 50, flow out from air outlet 31 after heat transfer of heat exchanger 50, can accelerate heat transfer rate.

In addition, the motor 42 is disposed outside the scroll casing, for example, two scroll casings are disposed at two sides of the motor 42, the same motor 42 can drive the fans 43 in the two scroll casings connected with the motor to rotate at the same time, and further, the same motor 42 can also drive the fans 43 in the plurality of scroll casings to rotate at the same time, so that the air output can be increased, the usage amount of the motor 42 can be reduced, and the space utilization rate and the cost can be improved.

In addition, the upper volute 301 and the lower volute 302 in the volute are provided with the air inlet 230 and the air outlet 310, and the air inlet 230 and the air outlet 310 are formed by combining the upper volute 301 and the lower volute 302, so that the air inlet area and the air outlet area of the volute can be enlarged, the air inlet volume and the air supply volume can be increased, and the air volume is improved.

At least one of the upper scroll 301 and the lower scroll 302 is provided with a wind guide 320 at the air supply port 310, the wind guide 320 may be provided on the upper scroll 301 at the air supply port 310, the wind guide 320 may be provided on the lower scroll 302, and the wind guide 320 may be provided on both the upper scroll 301 and the lower scroll 302. Wherein, the setting of wind guide 320 can be used for the wind-guiding of supply-air outlet 310 department to can make the air supply more even, also can make the air supply through heat exchanger 50 more even, thereby can promote heat exchange efficiency, can also increase the air-out volume, can make the air-out more even.

According to some embodiments of the present invention, as shown in fig. 24, an upper surface of the upper scroll case 301 is provided with a wind guide 320 at the wind supply port 310, and a lower surface of the lower scroll case 302 is provided with a wind guide 320 at the wind supply port 310.

Wherein, the upper surface of the upper volute 301 inside the air supply opening 310 is provided with an air guide member 320, so that air can be guided to the upper surface of the air supply opening 310, the air flows along the surface of the air guide member 320 arranged on the upper surface of the air supply opening 310, the air guide member 320 can diffuse the air at the upper volute 301 in the upward, downward, leftward and rightward directions, so that different air outlet directions at the upper volute 301 can be increased, the air outlet area at the upper volute 301 can be increased, and the air supply at the upper surface of the air supply opening 310 can be more uniform by the air guide member 320.

In addition, the lower surface of the lower volute 302 is provided with the air guide member 320 at the air supply outlet 310, so that air can be guided to the lower surface of the air supply outlet 310, the air flows along the surface of the air guide member 320 arranged at the lower surface of the air supply outlet 310, the air guide member 320 can diffuse the air direction at the lower volute 302 in the upper, lower, left and right directions, so that different air outlet directions at the lower volute 302 can be increased, the air outlet area at the lower volute 302 can be increased, and the air guide member 320 can further enable air supply at the lower surface of the air supply outlet 310 to be more uniform.

In this way, the arrangement of the air guide 320 at the air supply port 310 of the upper volute 301 and the lower volute 302 can further increase different air outlet directions of the volutes, and also can further increase the air outlet area of the volutes, so that the air outlet quantity of the volutes can be further increased, and the air supply of the volutes at the air supply port 310 can be more uniform.

According to some embodiments of the present invention, as shown in fig. 24, at least one of the upper scroll 301 and the lower scroll 302 is provided with at least two wind guides 320 at the wind supply port 310, and the at least two wind guides 320 are spaced apart in the left-right direction.

Specifically, the upper volute 301 may be provided with two air guiding members 320 at the air supply opening 310, and the two air guiding members 320 are symmetrically disposed at the air supply opening 310, so that the two air guiding members 320 can be ensured to be more uniform in air outlet of the upper volute 301, or the two air guiding members 320 can be disposed at the air supply opening 310 of the lower volute 302, so that the two air guiding members 320 can be ensured to be more uniform in air supply of the lower volute 302, and the two air guiding members 320 can be disposed at the air supply openings 310 of the upper volute 301 and the lower volute 302.

In this way, the air supply from the air supply port 310 can be further made more uniform. In addition, at least two wind guide members 320 are arranged at intervals in the left-right direction, so that the wind supply of the wind guide members 320 in the left-right direction can not be disturbed, and the stability of the wind guide members 320 arranged in the volute for wind guiding can be ensured.

According to some embodiments of the present invention, as shown in fig. 24, an air guiding area with an increasing interval is formed between two adjacent air guiding members 320 in the air supplying direction.

The distance between two adjacent wind guiding members 320 forms an increasing wind guiding area in the left-right direction, so that the wind outlet area can be gradually enlarged, and wind guiding can be performed on the left side and the right side of the wind outlet 310, so that the wind of the wind outlet 310 on the left side and the right side is more uniform, the wind of the wind passing through the heat exchanger 50 is more uniform, and the wind outlet of the wind outlet 31 is more uniform.

According to some embodiments of the present invention, as shown in fig. 24, the wind guide 320 is provided with curved bending plates 350, the bending plates 350 of two adjacent wind guides 320 are oppositely disposed in the left-right direction, and the bending plates 350 are bent in a direction away from each other.

Specifically, the wind-guiding piece 320 is integrally curved and is provided with two adjacent wind-guiding pieces 320 which are curved in the direction away from the wind-feeding opening 310, the surface of the wind-guiding piece 320 is a transitional curve surface, the wind supply can not be disturbed through the wind-guiding piece 320, the wind supply can stably flow in the direction of the wind-guiding through the curved surface of the wind-guiding piece 320, and thus, the wind supply passes through the curved plate 350, so that the wind supply is more uniform.

According to some embodiments of the present invention, as shown in fig. 24, the height of the wind guide 320 increases and decreases in the direction of the air supply, or the height of the wind guide 320 increases and decreases in the direction of the air supply.

For example, two wind-guiding members 320 are disposed on the upper surface of the upper volute 301, where the heights of the two wind-guiding members 320 are gradually increased and then decreased, so that the wind-guiding members 320 are trapezoidal, and in the air supply direction, the air supply passes through the wind-guiding members 320, and can be gradually guided upwards and then downwards, so that the wind-guiding members 320 can realize vertical wind guiding.

In addition, two air guide members 320 are disposed on the lower surface of the lower volute 302, the heights of the two air guide members 320 are increased gradually and then are constant, the air guide members 320 can guide air upwards further, accordingly, the air supply height of the air supply opening 310 can be further improved, the air guide area can be gradually enlarged, when the height of the air guide members 320 is constant, the air guide area reaches the maximum, the air guide quantity reaches the maximum, and the air guide quantity guides air stably to the maximum, so that the air guide efficiency can be improved.

According to some embodiments of the present invention, as shown in fig. 23 and 25, the upper surface of the upper scroll 301 has a first plane 330, the first plane 330 is located at the top of the upper surface of the upper scroll 301, and the lower surface of the lower scroll 302 has a second plane 340, the second plane 340 extending to the supply port 310.

The first plane 330 of the upper volute 301 is a horizontal plane, so that the thickness of the upper volute 301 can be reduced, the thickness of the whole indoor unit 100 of the pipeline air conditioner can be reduced, the second plane 340 is arranged on the lower surface of the lower volute 302, and the second plane 340 is a horizontal plane, so that the lower volute 302 can be more stable when placed, the thickness of the lower volute 302 can be reduced, the thickness of the whole indoor unit 100 of the pipeline air conditioner can be further reduced, and the weight of the volute can be reduced.

According to some embodiments of the invention, as shown in fig. 26 and 27, the lower volute 302 includes: a bottom plate 364 and a lower side plate 363, the lower side plate 363 being connected to both sides of the bottom plate 364, and the lower side plate 363 extending to the air supply port 310, the upper scroll 301 including: the top plate 360, the volute tongue 3611 and the upper side plate 3, the upper side plate 3 is connected to two sides of the top plate 360, the upper side plate 3 is fixedly connected with the lower side plate 363, the volute tongue 3611 is connected to one end of the top plate 360, the volute tongue 3611 is fixedly connected with the lower side plate 363, and the volute tongue 3611, the bottom plate 364 and the lower side plate 363 jointly define the air outlet 310.

Specifically, a second plane 340 is disposed at a bottom plate 364 of the lower volute 302, the second plane 340 extends to the air supply port 310, lower side plates 363 are disposed at two sides of the bottom plate 364, the two lower side plates 363 are fixedly connected with the bottom plate 364, the two lower side plates 363 extend in the air supply direction, and the two lower side plates 363 extend to the air supply port 310.

In addition, the edge of the upper top plate 360 of the upper volute 301 is curved, the edge of the lower volute 302 is also curved corresponding to the upper volute 301, and the edges of the upper volute 301 and the lower volute 302 are both formed with curved surfaces, so that the upper volute 301 and the lower volute 302 can be matched more tightly through curved surface matching.

In addition, as shown in fig. 26, the volute tongue 3611 is connected to one end of the top plate 360 at the air supply port 310, the volute tongue 3611 is integrally disposed on the upper volute 301, and no step or gap is formed at the position of the volute tongue 3611, so that the air volume is not affected due to assembly, and the stability of the volute can be improved.

Further, as shown in fig. 21, the volute tongue 3611 and the bottom plate 364 and the lower side plate 363 together define the air outlet 310, and since the volute tongue 3611 is disposed in the upper volute 301 and the bottom plate 364 and the lower side plate 363 form the lower volute 302, the air outlet 310 is formed by the upper volute 301 and the lower volute 302 together, and the air supply area can be further increased, so that the air supply amount can be further increased, and the air supply amount can be changed by changing the shape and size of the volute tongue 3611, the bottom plate 364 and the lower side plate 363, so that the air supply amount can be increased by enlarging the size of the air outlet 310.

According to some embodiments of the present invention, as shown in fig. 24, the interval between both side surfaces of the lower volute casing 302 at the air supply opening 310 in the air supply direction tends to increase in the air supply direction.

Wherein, the air supply opening 310 is splayed, the air outlet area of the air supply opening 310 is gradually increased, and the air outlet volume is also gradually increased, thus being beneficial to the diffusion of air, and the air is discharged from the air supply opening 310, so that the air can be diffused in the upward, downward, left and right directions, thereby increasing the air outlet area and the air outlet volume, and also improving the air outlet volume of the heat exchanger 50, thereby improving the overall performance of the pipeline air conditioner indoor unit 100.

According to some embodiments of the present invention, as shown in fig. 22 and 23, the upper volute 301 is provided with a first clamping portion 370, the lower volute 302 is provided with a second clamping portion 380, and the first clamping portion 370 is in clamping fit with the second clamping portion 380.

The first clamping portion 370 is disposed on the top plate 360 of the upper volute 301 in a direction away from the air supply port 310, the second clamping portion 380 is disposed on the bottom plate 364 of the lower volute 302, the first clamping portion 370 and the second clamping portion 380 are disposed correspondingly, the first clamping portion 370 of the upper volute 301 is a clamping groove, the first clamping portion 370 of the lower volute 302 is a clamping buckle, the clamping groove of the first clamping portion 370 is matched with the clamping buckle of the second clamping portion 380, and therefore the upper volute 301 and the lower volute 302 can be conveniently detached and connected, and accordingly assembly efficiency of the volute can be improved.

Further, the first clamping portions 370 may be disposed in plural, the first clamping portions 370 are disposed at intervals along the circumferential direction of the upper volute 301, the second clamping portions 380 are disposed correspondingly at intervals along the circumferential direction of the lower volute 302, and the first clamping portions 370 are correspondingly clamped and matched with the second clamping portions 380, so that the upper volute 301 and the lower volute 302 can be matched more tightly, air leakage of the volute can be prevented, and reliability of the volute can be improved.

According to some alternative embodiments of the present invention, the air supply opening 310 is provided on the scroll casing, the hole opposite to the air supply opening 310 is provided on the mounting plate 45, and the air supply opening 310 and the hole are rectangular. The air supply opening 310 on the volute is opposite to the hole on the mounting plate 45, so that the air in the indoor unit 100 of the pipeline air conditioner flows more smoothly. Wherein, supply-air outlet 310 and this hole all are the rectangle, and rectangular opening makes the bottom of the degree of difficulty, and the processing of being convenient for improves the practicality and the economic nature of spiral case and mounting panel 45.

The drip tray 600 is described in detail below.

In some embodiments of the present invention, as shown in fig. 37, the indoor unit 100 of the duct type air conditioner further includes a water pan 600. The water pan 600 is used for accommodating condensed water flowing down from the heat exchanger 50; the water collector 600 includes water collector body 601 and first fender muscle 603, and first fender muscle 603 sets up on water collector body 601 and extends along left and right directions, and the lower back end butt of heat exchanger 50 is on water collector body 601, and first fender muscle 603 is located the lower back front side of heat exchanger 50.

The wind passing through the rear lower end of the heat exchanger 50 flows forward and upward under the blocking of the first blocking rib 603, a high pressure area is formed between the first blocking rib 603 and the rear lower end of the heat exchanger 50, and condensed water in the high pressure area is drained. The indoor unit 100 of the pipeline air conditioner is a hidden air conditioner, wherein the indoor unit 100 of the pipeline air conditioner is installed in a ceiling of a room, and has the advantages of flexible and hidden installation position, indoor space saving and the like.

Further, a water receiving tray 600 is disposed in the casing 10 below the heat exchanger 50, and the water receiving tray 600 is mainly used for receiving condensate water flowing down on the heat exchanger 50, so as to prevent the condensate water from flowing to the outside along a gap of the whole machine. The water pan body 601 is provided with a first blocking rib 603 extending along the left-right direction, the rear lower end of the heat exchanger 50 is abutted against the water pan body 601, and the water pan body 601 provides a certain supporting effect for the heat exchanger 50, so that the position stability of the heat exchanger 50 is improved; the first rib 603 is located at the front side of the rear lower end of the heat exchanger 50, so that the positioning and guiding effects can be achieved when the heat exchanger 50 is assembled, and accordingly the assembly production efficiency is improved.

Specifically, since the first rib 603 is located at the front side of the rear lower end of the heat exchanger 50, when the wind passing through the rear lower end of the heat exchanger 50 flows forward and upward under the blocking of the first rib 603, the wind speed changes at the front upper side, a high-pressure area is formed between the first rib 603 and the rear lower end of the heat exchanger 50, and the condensed water flowing from the bottom of the heat exchanger 50 to the high-pressure area is drained, so that the risk that the condensed water at the bottom of the heat exchanger 50 splashes to the outside of the water receiving tray 600 to cause water seepage and even short circuit of components of the whole machine can be effectively solved.

According to some alternative embodiments of the present invention, as shown in connection with fig. 36-40, the rear surface of the first rib 603 is provided with an inclined first baffle surface 610, and the first baffle surface 610 is disposed in parallel with the front surface of the heat exchanger 50. Specifically, the rear surface of the first blocking rib 603 is inclined towards the heat exchanger 50 to form a first blocking surface 610, and the first blocking surface 610 is in parallel relation with the front surface of the heat exchanger 50, so that the distance between the bottom of the heat exchanger 50 abutting against the water pan body 601 and the first blocking surface 610 is kept consistent, the atmospheric pressure in the high-pressure area is distributed more uniformly, the situation that condensate water is not uniformly drained due to side blowing on the first blocking surface 610 is avoided, and the efficiency and scientificity of condensate water draining work are improved.

Specifically, the distance between the first baffle surface 610 and the front surface of the heat exchanger 50 is d, and d satisfies the relationship: d is more than or equal to 8mm and less than or equal to 20mm. The distance between the first baffle surface 610 and the front surface of the heat exchanger 50 is smaller, compared with the arrangement that the distance between the first baffle surface 610 and the front surface of the heat exchanger 50 is larger, so that the wind can change speed in a shorter path, the air density between the first baffle surface 610 and the rear lower end of the heat exchanger 50 becomes larger to form a high pressure area, and the high pressure area for draining the condensed water upwards can be formed more quickly on the basis of ensuring that the gap enough for accommodating the condensed water is reserved between the first baffle surface 610 and the rear surface of the heat exchanger 50, thereby effectively avoiding the condensed water from splashing outside the water receiving disc 600. For example, the distance between the first blocking surface 610 and the front surface of the heat exchanger 50 may be 8mm, 10mm, and 20mm, not limited thereto.

According to some alternative embodiments of the present invention, as shown in fig. 39 and 40, the water pan 600 further includes a second blocking rib 612, the second blocking rib 612 is disposed on the water pan body 601, the second blocking rib 612 extends in the front-rear direction, the second blocking ribs 612 are respectively located at the left and right sides of the first blocking rib 603, and a water gap is left between the second blocking rib 612 and the first blocking rib 603, and the water gap is used for condensed water to flow into the high-pressure area.

Specifically, the left and right sides of the water pan body 601 are respectively provided with second blocking ribs 612 extending along the front and rear directions correspondingly, the second blocking ribs 612 are respectively located at the left and right sides of the first blocking ribs 603, a water gap for condensate water to flow into the high-pressure area is reserved between the second blocking ribs 612 and the first blocking ribs 603, when the condensate water on the heat exchanger 50 directly falls into the area surrounded by the second blocking ribs 612 and the first blocking ribs 603, the condensate water can flow into the high-pressure area along the water gap and is extruded at the water outlet 650 of the water pan 600, and the second blocking ribs 612 and the first blocking ribs 603 can also form a certain blocking effect on the condensate water splashed in the area where the condensate water is packed, so that the problem that the condensate water splashes to the outside of the water pan 600 is better solved.

Specifically, as shown in fig. 37 and 39, the left and right ends of the heat exchanger 50 are respectively provided with a second support plate 910, the second support plate 910 is fixed on the water pan body 601, one side of the second blocking rib 612 facing the second support plate 910 is provided with an inclined guide surface 640, and the guide surface 640 is used for guiding the second support plate 910 to move to a set fixed position. The second support plate 910 is fixed on the left and right sides of the water-receiving tray body 601, the left and right ends of the heat exchanger 50 are respectively and fixedly mounted on the second support plate 910, the water-receiving tray body 601, the second support plate 910 and the heat exchanger 50 form a whole, and the large surface of the heat exchanger 50 corresponds to the large surface of the water-receiving tray body 601, so that the water-receiving tray 600 can efficiently hold the condensed water dropped on the heat exchanger 50.

Wherein, in the direction towards the second support plate 910, the second rib 612 is provided with an inclined guiding surface 640, when the second support plate 910 is in the assembly process, the guiding surface 640 can be used for guiding the second support plate 910 to move to a set fixed installation position, which plays a role in guiding and locating for the installation of the second support plate 910, thereby improving the installation convenience of the second support plate 910 and improving the assembly production efficiency of the whole machine.

Further, as shown in fig. 37, the water pan 600 further includes positioning ribs 613, the positioning ribs 613 are disposed at the left and right ends of the water pan body 601, the positioning ribs 613 and the second blocking ribs 612 are disposed at intervals in the left and right directions, the positioning ribs 613 and the second supporting plates 910 are in positioning fit, and the positioning ribs 613 and the second blocking ribs 612 limit the second supporting plates 910 together.

The left and right ends of the water-receiving disc body 601 are provided with positioning ribs 613, so that the weight and the spatial mode of the left and right sides of the water-receiving disc body 601 can be increased, and the structural strength and the bending and torsion resistance of the water-receiving disc body 601 are improved; and the positioning ribs 613 and the second blocking ribs 612 are arranged at intervals along the left-right direction, the positioning ribs 613 and the second supporting plate 910 keep a fixed distance, and limit the second supporting plate 910 together, so that the displacement of the second supporting plate 910 in the left-right direction can be limited, the positioning effect of the second supporting plate 910 in the mounting process can be achieved, and the practicability and the assembly convenience of the device are improved.

Specifically, the positioning ribs 613 are configured in a sheet shape, the left and right ends of the water pan body 601 are provided with a plurality of positioning ribs 613, and the plurality of positioning ribs 613 are disposed at intervals in the front-rear direction. The left end and the right end of the water pan body 601 are provided with a plurality of positioning ribs 613 distributed along the front-back direction at intervals, so that compared with a single positioning rib 613, the weight and the spatial mode of the left side and the right side of the water pan body 601 can be further increased, and the structural strength and the bending and torsion resistance of the water pan body 601 are improved; it is also possible to increase its limit stress point and installation guide point to the second support plate 910, thereby further improving its practicality and reliability.

In addition, the positioning ribs 613 are configured to be sheet-shaped, so that the weight of the positioning ribs can be reduced on the basis of effectively increasing the space mode of the positioning ribs, thereby being beneficial to the light-weight design effect of the whole machine and further improving the economical efficiency and the practicability of the whole machine.

According to some alternative embodiments of the present invention, as shown in fig. 37, the drip tray 600 further includes a thermal insulation foam member 620, and the thermal insulation foam member 620 is wrapped around the bottom of the drip tray body 601. Specifically, the insulating foam member 620 is tightly wrapped and attached to the bottom of the water tray body 601, and the insulating foam material has the excellent characteristics of light weight, heat insulation, water resistance, shock resistance, sound insulation and corrosion resistance, so that the support and structural reliability are stronger compared with the conventional insulating form in which a sponge is posted at the bottom of the water tray 600, and the consumption of the sponge can be reduced, thereby improving the heat insulation and practicality of the whole machine.

Specifically, as shown in fig. 38, a plurality of second reinforcing ribs 602 are disposed at the bottom of the water pan body 601, and an empty-avoiding groove (not shown) is disposed on the insulating foam member 620, and the second reinforcing ribs 602 are accommodated in the empty-avoiding groove. Wherein, a plurality of second strengthening ribs 602 set up in the bottom of water collector body 601, so can increase the weight and the spatial mode of water collector body 601 bottom department to increase the structural strength and the bending torsion rigidity of here, and then improve the structural reliability and the practicality of water collector 600. In addition, the insulating foam 620 wrapped at the bottom of the water-receiving tray body 601 is provided with a void-avoiding groove capable of accommodating the second reinforcing rib 602, so that the second reinforcing rib 602 can be prevented from occupying the whole machine space in the vertical direction, and the second reinforcing rib 602 and the accommodating groove can be also enabled to be in certain limit fit, so that the water-receiving tray body 601 and the insulating foam 620 are prevented from sliding relatively, and the space arrangement rationality and the assembly stability of the insulating foam are improved.

According to some alternative embodiments of the present invention, as shown in fig. 40, the surface of the water pan body 601 located at the front side of the first rib 603 is a guide surface 611, and the guide surface 611 is disposed obliquely downward in the front-to-rear direction. Specifically, the surface of the water pan body 601 located at the front side of the first blocking rib 603 is inclined downward in the front-to-back direction, so that the condensed water dropped from the heat exchanger 50 is guided to flow to the rear of the water pan body 601 along the guiding surface 611 under the action of gravity and flows out according to the set water outlet 650, thereby improving the water outlet efficiency of the water pan 600. For example, the water receiving tray body 601 has an integrally formed water outlet 650, and the water outlet 650 has a low-surface water storage surface, so that the water pump can work and naturally drain water.

As shown in fig. 47 to 49, the indoor unit 100 of the duct type air conditioner further includes: the second support plate 910, the second support plate 910 is disposed in the casing 10, and the second support plate 910 is supported and fixed below the left and right ends of the heat exchanger 50, wherein the air outlet casing 30 further includes: the extension plates 900, the second side plates 37 are respectively connected to the left and right sides of the second bottom plate 361, the extension plates 900 are respectively connected to the second bottom plate 361 and the second side plates 37, the extension plates 900 define the edges of the air outlet 31, and the extension plates 900 are connected to the second support plates 910, so that the connection strength of the second support plates 910 can be ensured.

Specifically, the second support plate 910 is disposed in the casing 10, and the second support plate 910 is supported and fixed below the left and right ends of the heat exchanger 50. The second side plates 37 are respectively connected to the left and right sides of the second bottom plate 361, the extension plates 900 are respectively connected to the second bottom plate 361 and the second side plates 37, the extension plates 900 define the edges of the air outlet 31, and the extension plates 900 are connected to the second support plates 910, so that the connection strength of the second support plates 910 can be ensured.

The number of the second support plates 910 may be plural, for example, two, and two second support plates 910 are respectively connected to the left and right sides of the casing 10, that is, one second support plate 910 is connected to the left side of the left extension plate 900 and the second bottom plate 361, and the other second support plate 910 is connected to the right side of the right extension plate 900 and the second bottom plate 361.

In addition, the second support plate 910 is disposed in the casing 10, and the second support plate 910 is supported and fixed below the left and right ends of the heat exchanger 50, where the second support plate 910 may be connected with the end plates of the left and right ends of the heat exchanger 50, so that the second support plate 910 may be used to connect the two ends of the heat exchanger 50 with the casing 10 to fix the relative positions of the heat exchanger 50 and the casing 10, and the second support plate 910 may support the heat exchanger 50 from below the heat exchanger 50, thereby improving the support stability of the heat exchanger 50, making the fixing reliability of the heat exchanger 50 higher, and the connection more stable.

Specifically, the second side plates 37 are respectively connected to the left and right sides of the second bottom plate 361, the extension plates 900 are respectively connected to the second bottom plate 361 and the second side plates 37, the extension plates 900 define the edges of the air outlet 31, and the extension plates 900 are connected to the second support plates 910 to ensure the connection strength of the second support plates 910.

Wherein, extension board 900 can extend along left and right directions, and extension board 900 can be with second curb plate 37 integrated into one piece, through being connected second backup pad 910 and extension board 900, not only can connect fixed second backup pad 910 and casing 10, and the one end of second backup pad 910 is nearer with extension board 900 distance moreover, and it is more convenient to connect, and can guarantee the connection stability of connecting plate and casing 10 to fix heat exchanger 50 and casing 10 better.

In addition, the second support plate 910 in the embodiment of the invention is an integral component, the structure is simpler, the connection between the left and right ends of the heat exchanger 50 and the second bottom plate 361 and the extension plate 900 of the casing 10 can be realized through one second support plate 910, meanwhile, the heat exchanger 50 can be supported from the lower side of the heat exchanger 50 by using the second support plate 910, so as to improve the support stability of the heat exchanger 50, and the number of the second support plates 910 is less, and the connection structure of the second support plate 910 and the casing 10 is not excessively complex, so that the assembly efficiency of the heat exchanger 50 and the casing 10 can be improved.

In some embodiments of the present invention, as shown in fig. 47, the heat exchanger 50 is inclined to extend toward the bottom of the cabinet 10 in a front-to-rear direction, and the second support plate 910 is a right triangle, the hypotenuse of which is fixedly coupled with the heat exchanger 50.

That is, the heat exchanger 50 may be disposed to be inclined with respect to the up-down direction, and the second support plate 910 is supported at one side of the heat exchanger 50 in the thickness direction, so that the width of the heat exchanger 50 may be greater than the size of the casing 10 in the up-down direction, the area of the heat exchanger 50 may be greater, and thus the heat exchanging area of the heat exchanger 50 may be increased, and the heat exchanging efficiency of the heat exchanger 50 with respect to indoor air may be higher.

And, by setting the second support plate 910 to a right triangle shape, the support stability of the second support plate 910 is advantageously improved, the support effect of the second support plate 910 on the heat exchanger 50 is further improved, and the second support plate 910 can more stably support and fix the heat exchanger 50 from below the heat exchanger 50, so that the connection reliability of the heat exchanger 50 and the casing 10 is higher.

In some embodiments of the present invention, as shown in fig. 49, the second support plate 910 has a third flange 920, a fourth flange 930, and a fifth flange 940, the third flange 920 is connected to the heat exchanger 50, the fourth flange 930 is fixedly connected to the extension plate 900, and the fifth flange 940 corresponds to the second bottom plate 361.

For example, the third flange 920 may be bent in a direction away from the second side plate 37, and the fourth flange 930 and the fifth flange 940 may be bent in a direction toward the second side plate 37.

In this way, the third flange 920 may extend toward the center near the length direction of the heat exchanger 50, and the third flange 920 may not exceed the heat exchanger 50, so that the third flange 920 may be prevented from position interference with other components, so as to facilitate arrangement.

And the fourth flange 930 and the fifth flange 940 extend towards the direction approaching the second side plate 37, so that the extending directions of the third flange 920 and the fourth flange 930 and the fifth flange 940 are opposite relative to the bending directions of the third flange 920, the fourth flange 930 and the fifth flange 940, when the second support plate 910 is stressed, the third flange 920 pushes the second support plate 910 towards the direction approaching the second side plate 37, and the fourth flange 930 and the fifth flange 940 can push the second support plate 910 towards the direction far away from the second side plate 37, so that the stress of the second support plate 910 in the left-right direction of the casing 10 is more balanced, and the connection stability of the second support plate 910 is improved.

Of course, in order to simplify the structure of the second support plate 910, the third flange 920, the fourth flange 930, and the fifth flange 940 may be bent in the same direction.

In some embodiments of the invention, at least one of the third flange 920, the fourth flange 930, and the fifth flange 940 is provided with a third stiffener 950.

For example, each of the third turn-up edge 920, the fourth turn-up edge 930 and the fifth turn-up edge 940 may be provided with a plurality of third reinforcing ribs 950, the third reinforcing ribs 950 may be connected between the seventh turn-up edge 990 and the main body of the second support plate 910, and the third reinforcing ribs 950 may be connected between the third turn-up edge 920 and the main body of the second support plate 910, and the third reinforcing ribs 950 may be connected between the fourth turn-up edge 930 and the main body of the second support plate 910. This is advantageous in improving the structural strength of the third flange 920, the fourth flange 930 and the fifth flange 940, and thus, the overall structural strength of the second support plate 910 is higher, and the connection stability between the second support plate 910 and the heat exchanger 50 and the cabinet 10 is higher.

Also, the second support plate 910 is located in the water tray 600, and the second support plate 910 is supported and fixed on the water tray 600. That is, the fifth turn-up 940 of the second support plate 910 may be supported and fixed on the water tray 600, the water tray 600 may be used for containing the condensed water dropped on the surface of the heat exchanger 50, and by disposing the second support plate 910 in the water tray 600, the condensed water flowing onto the surface of the heat exchanger 50 on the second support plate 910 may also flow into the water tray 600, so that the other components may be prevented from being polluted by the base outside the condensed water.

In some embodiments of the present invention, as shown in fig. 50, a flow guiding part 960 is formed on the second support plate 910, the flow guiding part 960 protrudes from at least one side of the thickness direction of the second support plate 910, and condensed water flowing from the heat exchanger 50 to the surface of the second support plate 910 is guided into the water receiving tray 600 by the flow guiding part 960.

It can be appreciated that the second support plate 910 is connected to the left and right ends of the heat exchanger 50, the second support plate 910 is also relatively close to the edge of the water-receiving tray 600, and the edge of the water-receiving tray 600 is easy to leak water outwards, and by adding the flow guiding portion 960 on the second support plate 910, the condensed water on the surface of the second support plate 910 can flow into the water-receiving tray 600 more gradually and orderly, so that the condensed water on the second support plate 910 is prevented from flowing out of the water-receiving tray 600, and the water collecting effect of the water-receiving tray 600 is better.

In some embodiments of the present invention, the flow guiding portion 960 is configured as ribs, and the ribs are disposed obliquely in a direction from top to bottom, so that the condensed water can flow along the extending direction of the ribs, and the flow guiding effect of the ribs on the condensed water is better.

Specifically, the third flange 920 may be bent in a direction away from the second side plate 37, and the ribs may protrude from one side of the second support plate 910 in a direction close to the second side plate 37, so that the third flange 920 and the ribs may extend toward opposite sides of the thickness direction of the second support plate 910, and the third flange 920 may not block the condensed water on the heat exchanger 50 from flowing to one side of the second support plate 910 toward the second side plate 37, so that more condensed water may be guided into the water receiving tray 600 by the ribs.

In some embodiments of the present invention, the number of the flow guiding portions 960 is plural, the plurality of flow guiding portions 960 are disposed at intervals, and the distance between two adjacent ribs increases gradually in the direction from top to bottom.

Like this, a plurality of ribs can be simultaneously to the water conservancy diversion to the comdenstion water, further improved the water conservancy diversion effect of water conservancy diversion portion 960 to the comdenstion water, moreover, the comdenstion water that is guided by adjacent rib can flow to water collector 600 respectively, and can not take place to interfere by the comdenstion water that different ribs guided, promptly the comdenstion water can flow down respectively and keep away from each other, and then avoided the comdenstion water to gather on second backup pad 910, thereby can avoid the comdenstion water to directly drip from second backup pad 910, avoided the comdenstion water to splash outside water collector 600 more effectively.

In some embodiments of the present invention, as shown in fig. 51, the indoor unit 100 of the duct type air conditioner further includes a second fixing member 970.

One end of the second fixing member 970 is connected to a side of the heat exchanger 50 facing away from the second support plate 910, and the other end is connected to the top and/or rear side of the cabinet 10. In this way, the lower side of the heat exchanger 50 can be supported by the second support plate 910, and the second support plate 910 and the extension plate 900 are fixedly connected, meanwhile, the second fixing member 970 can connect the other side of the heat exchanger 50 with the casing 10, and the second support plate 910 and the second fixing member 970 simultaneously fix the heat exchanger 50, so that the connection strength of the heat exchanger 50 and the casing 10 is further improved, and the position fixing of the heat exchanger 50 is more stable and reliable.

Further, as shown in fig. 47 to 51, both ends of the second fixing member 970 are respectively bent to form a sixth flange 980 and a seventh flange 990, the sixth flange 980 is connected to a midpoint of an end of the heat exchanger 50, and the seventh flange 990 is connected to a top and/or rear side of the casing 10.

It will be appreciated that the midpoint of the end of the heat exchanger 50 is closer to the top or rear side of the housing 10 than the upper side of the end of the heat exchanger 50, and by connecting the sixth flange 980 to the midpoint of the end of the heat exchanger 50, the length of the second fixing member 970 can be shorter, which is beneficial to saving material for the second fixing member 970, and the midpoint of the end of the heat exchanger 50 is not too closer to the bottom of the heat exchanger 50, so that the moment arm of the second fixing member 970 pulling the heat exchanger 50 is not too short, and the second fixing member 970 can better pull the heat exchanger 50 upward, further improving the fixing effect on the heat exchanger 50.

In addition, by providing the sixth flange 980 and the seventh flange 990, the contact area between the second fixing member 970 and the casing 10 and the contact area between the second fixing member 970 and the heat exchanger 50 can be increased, and the connection area between the second fixing member 970 and the casing 10 and the heat exchanger 50 can be increased, so that the connection is more stable.

The controller 700 is described in detail below.

According to some embodiments of the present invention, as shown in fig. 41 and 42, the indoor unit 100 of the duct type air conditioner further includes: the controller 700, the controller 700 sets up in one side of the air-out shell 30, and the controller 700 includes box body 701, lid 702 and automatically controlled board 760, and the box body 701 sets up in one side of casing 10, and automatically controlled board 760 sets up in box body 701, and automatically controlled board 760 is connected with fan assembly 40 electricity moreover, and the lid 702 covers and sets up on box body 701; the electronic control board 760 has an electronic component 761 and a terminal 762, the terminal 762 is spaced from the electronic component 761, the box cover 702 includes a first box cover 703 and a second box cover 720, the first box cover 703 is located on the outer side of the electronic component 761, the second box cover 720 is located on the outer side of the terminal 762, and the second box cover 720 is detachably connected with the first box cover 703.

Further, the controller 700 is located at one side outside the casing 10, so that the installation and maintenance can be facilitated, the controller 700 mainly comprises a box body 701, a box cover 702 and an electric control board 760, the box body 701 is attached to and fixed on the casing 10, the electric control board 760 is installed in the box body 701, the box cover 702 is covered on the box body 701, the box cover 702 and the box body 701 together form an omnibearing covering protection for the electric control board 760, and the electric control board 760 controls and connects the fan assembly 40 in an electric signal manner. The electronic component 761 and the terminal 762 are arranged on the electric control board 760 at intervals, and because the casing 10 of the pipeline air conditioner indoor unit is designed to save installation space, the air-liquid pipe and the controller 700 are placed on the same side of the casing 10, but in the process of installing and wiring, the box cover 702 needs to be removed to enable the electronic component 761 in the whole controller 700 to be in an open state directly exposed to air, the first box cover 703 and the second box cover 720 are respectively arranged on the outer sides of the electronic component 761 and the terminal 762, and the second box cover 720 and the first box cover 703 can be detachably connected, so that the controller 700 can be split into two parts for protecting the electronic component 761 and connecting a main power supply, and the risk of failure due to water inlet when the electronic component 761 in the open state enters a leak detection link of the air-liquid pipe is avoided, and the safety of the electronic component 761 and an installer is further ensured.

According to alternative embodiments of the present invention, as shown in connection with fig. 42, the terminals 762 are positioned below the electronic component 761, and the second cover 720 is detachably coupled to the lower side of the first cover 703. Specifically, the terminal 762 is mainly used for switching on a power supply, the electronic component 761 is a structural carrier for realizing program operation of a product, compared with the terminal 762 being located above the electronic component 761, the second box cover 720 is provided with holes for connecting the inner side and the outer side of the controller 700, and the terminal 762 is located below the electronic component 761, so that leakage detection liquid can be prevented from flowing onto the electronic component 761 below from the second box cover 720 which is not completely sealed above under the action of gravity, and the risk of failure caused by contact of the electronic component 761 with the leakage detection liquid is effectively avoided.

Specifically, as shown in fig. 44, a via hole 730 is provided in the second cap 720, and the via hole 730 is located at the bottom of the second cap 720. The bottom of the second box cover 720 covered outside the terminal 762 is provided with a wire passing hole 730, the wire passing hole 730 can be used for connecting a circuit pipeline with the terminal 762 through the box cover 702, and the wire passing hole 730 is arranged at the bottom of the second box cover 720, so that the arrangement space of the pipeline can be saved, the routing path is shortened, and the arrangement rationality and scientificity of the circuit pipeline are improved.

According to some alternative embodiments of the present invention, as shown in fig. 44, a first hanging portion 710 is provided on the first case cover 703, a second hanging portion 740 is provided on the second case cover 720, and the first hanging portion 710 is hung on the second hanging portion 740, so that the second case cover 720 is hung on the first case cover 703. Specifically, the first hanging portion 710 on the first box cover 703 is hung and connected with the second hanging portion 740 on the second box cover 720, and the second box cover 720 can achieve the effect of preassembling and positioning through the hanging connection mode, so that the assembling and disassembling efficiency of the second box cover 720 on the first box cover 703 is improved more conveniently, and meanwhile, the first box cover 703 and the second box cover 720 can be connected into a whole to form omnibearing protection for the internal electric control board 760.

Specifically, the first hanging portion 710 is a hook 452, the hook 452 and the first box 701 are integrally formed, the hook 452 is bent upwards, the second hanging portion 740 is a hanging opening, and the hook 452 is hung on the hanging opening. Wherein, couple 452 adopts integrated into one piece's processing technology with first box body 701, compares in couple 452 split type equipment in first box body 701, so can make its shaping faster, overall stability is stronger, and the plasticity is higher, can also effectively reduce the processing manufacturing link to improve its practicality and economic nature. The hooks 452 on the first box 701 are bent upwards, so that an upward external force can be formed on the hanging openings on the second box 701, thereby achieving the purpose of connecting and supporting the second box 701.

Further, as shown in fig. 44, the first hanging parts 710 are plural, the first hanging parts 710 are disposed on the first case cover 703 at intervals, the second hanging parts 740 are plural, the second hanging parts 740 are disposed on the second case cover 720 at intervals, and the first hanging parts 710 and the second hanging parts 740 are in one-to-one correspondence. The first hanging portions 710 and the second hanging portions 740 are respectively and correspondingly hung and connected, and compared with the hanging connection of the single first hanging portion 710 and the second hanging portion 740, the hanging connection stress path and the stress contact area of the first box 701 and the second box 701 can be increased, so that the connection stress of the first box 701 and the second box 701 is more uniform, the connection strength is higher, and the connection firmness and the reliability of the first box cover 703 and the second box cover 720 are improved.

According to some alternative embodiments of the invention, the controller 700 further comprises: the first cover 703 is detachably coupled to the cabinet 10 by a plurality of first fasteners, and the second cover 720 is detachably coupled to the cabinet 10 by a plurality of second fasteners. Specifically, the first case cover 703 and the case 10 are fastened and fixed as a whole by the first fasteners, the second case cover 720 and the case 10 are fastened and fixed as a whole by the second fasteners, and the structure thus fastened together can mutually increase the weight and the spatial mode of each other, so that the structural strength and the bending and torsion resistance of the structure are enhanced, and compared with other connection modes, such as welding, bonding and the like, the connection mode is more convenient and simple when a user installs and removes the structure, thereby improving the structural reliability, the practicability and the installation and removal convenience of the structure.

According to some alternative embodiments of the present invention, as shown in fig. 44, the second cap 720 is provided at an end corner thereof with a fitting protrusion 750, the fitting protrusion 750 corresponding to an end corner of the first cap 703, and the fitting protrusion 750 having a gap with the end corner of the first cap 703, so as to facilitate the fitting of the first cap 703 and the second cap 720. Specifically, the second box cover 720 is provided with an assembling protrusion 750 towards the end corner of one side of the box body 701, the end corner of the first box cover 703 corresponds to the assembling protrusion 750, and a gap is formed between the end corner of the first box cover 703 and the assembling protrusion 750, so that a certain assembling allowance is formed at the assembling and matching position of the end corner of the first box cover 703 and the end corner of the second box cover 720, the second box cover 720 can be conveniently and pre-positioned to be assembled on the first box cover 703, so that the assembly efficiency of the box cover 702 is improved, and the assembly and disassembly convenience of the box cover 702 is further improved.

According to some alternative embodiments of the present invention, as shown in fig. 44, the height of the first cover 703 is h1, and the height of the second cover 720 is h2, where h1 and h2 satisfy the relationship: h1 > h2. Specifically, the height of the first box cover 703 is greater than that of the second box cover 720, and the occupied area of the electronic component 761 on the box body 701 is greater than that of the terminal 762 on the box body 701, so that the first box cover 703 can realize a larger coverage protection area for the electronic component 761, and meanwhile, the second box cover 720 can meet the coverage protection requirement of the terminal 762, so that the arrangement rationality and practicality of the first box cover 703 and the second box cover 720 are improved.

Further, the controller 700 is electrically connected to the fan assembly 40, specifically, the casing 10 has a second side plate 37, as shown in fig. 53, a third hanging portion 1000 is disposed on the second side plate 37, a fourth hanging portion 1004 is disposed on the box 701, and the fourth hanging portion 1004 is in hanging fit with the third hanging portion 1000, so as to facilitate setting of the fastener.

The box 701 is fixedly connected with the second side plate 37 through a fastener, and the electric control plate 760 is disposed in the box 701 and electrically connected with the fan assembly 40. Thus, the controller 700 may be fixedly connected to the outside of one side of the casing 10, and the controller 700 may be closer to the fan assembly 40, so that the electric control board 760 in the controller 700 and the fan assembly 40 are electrically connected, and the controller 700 may not interfere with other components in the casing 10, so that the installation is more convenient.

In addition, as shown in fig. 53 and 54, the second side plate 37 is provided with a third hanging portion 1000, the case 701 is provided with a fourth hanging portion 1004, and the fourth hanging portion 1004 is hung and engaged with the third hanging portion 1000 to facilitate the installation of the fastener. Wherein the fastener may be a bolt.

Therefore, when the controller 700 and the second side plate 37 are assembled, the third hanging portion 1000 and the fourth hanging portion 1004 can be matched, and then the controller 700 can be initially fixed on the second side plate 37, that is, the pre-positioning of the controller 700 and the second side plate 37 can be achieved, so that the assembly steps between the controller 700 and the second side plate 37 can be simplified, the relative positions between the controller 700 and the second side plate 37 can be pre-fixed, and the fasteners can sequentially penetrate through the controller 700 and the second side plate 37 and then fix the controller 700 on the second side plate 37, thereby being beneficial to improving the assembly efficiency between the controller 700 and the casing 10.

In addition, the third hanging portion 1000 and the fourth hanging portion 1004 cooperate to assist in connection between the controller 700 and the second side plate 37, so that connection between the controller 700 and the second side plate 37 can be more stable and reliable.

Thus, the indoor unit 100 of the pipeline air conditioner according to the embodiment of the invention can perform assembling pre-positioning between the casing 10 and the controller 700, is beneficial to simplifying the assembling steps of the controller 700 and the casing 10, and has the advantages of short assembling time, high assembling efficiency and the like.

In some embodiments of the present invention, the third hooking portion 1000 is configured as a hooking groove and is opened upward, and the fourth hooking portion 1004 is configured as a hook and extends downward, and the hook is engaged with the hooking groove.

Therefore, the hooks can be hooked on the side wall of the hanging groove from top to bottom, namely, the controller 700 can be hooked on the second side plate 37 after being matched with the hanging groove, and the controller 700 cannot be separated from the second side plate 37 under the action of gravity, so that the positions of the controller 700 and the second side plate 37 in the up-down direction can be pre-positioned, and the controller 700 and the second side plate 37 can be conveniently fixed through fasteners.

In some embodiments of the present invention, as shown in fig. 53 and 54, the third hanging portion 1000 is disposed at the top edge of the second side plate 37, and the fourth hanging portion 1004 is disposed at the top edge of the case 701.

Through locating the third portion 1000 of hanging in the top edge department of second curb plate 37 to and the fourth portion 1004 of hanging in locates the top edge department of box body 701, can simplify the structure of second curb plate 37 like this and simplify the structure of box body 701, the processing of second curb plate 37 and box body 701 of being convenient for, and make the fourth portion 1004 of hanging in can be comparatively light hook to the third portion 1000 of hanging in, it is more convenient to connect, and can avoid the downside of controller 700 to surpass casing 10 downwards, so that the appearance of pipeline air conditioner indoor set 100 is more regular.

In some embodiments of the present invention, as shown in fig. 53 and 54, the number of the third hanging parts 1000 is at least two, the number of the fourth hanging parts 1004 is at least two, and the at least two third hanging parts 1000 are in one-to-one corresponding hanging fit with the at least two fourth hanging parts 1004.

For example, at least two third hanging parts 1000 may be disposed at intervals along the top edge of the second side plate 37, at least two fourth hanging parts 1004 may be disposed at intervals along the top edge of the box 701, so that the at least two third hanging parts 1000 and the at least two fourth hanging parts 1004 cooperate to connect and fix the controller 700 and the second side plate 37 at the same time, and further, connection failure of a single third hanging part 1000 and a fourth hanging part 1004 can be avoided, which is beneficial to improving stability of the pre-positioning of the controller 700 and the second side plate 37.

In some embodiments of the present invention, as shown in fig. 54, eighth flanges 1005 are provided on both sides of the case 701, and the eighth flanges 1005 are fixedly connected to the second side plate 37 through fasteners.

For example, the eighth flange 1005 may be bent to the outside of the box 701, and the eighth flange 1005 may be provided with a plurality of first bolt holes 1007, and the second side plate 37 may be provided with a plurality of second bolt holes 1002, where the plurality of first bolt holes 1007 and the plurality of second bolt holes 1002 are connected and fixed by fasteners in a one-to-one correspondence.

Like this, through setting up eighth turn-ups 1005, not only be convenient for construct first bolt hole 1007 on second curb plate 37, processing is more convenient, and eighth turn-ups 1005 and second curb plate 37's area of contact can be bigger moreover, and then can increase automatically controlled board 760 and second curb plate 37's area of contact, and the connection of controller 700 and second curb plate 37 is more reliable and stable.

In some embodiments of the present invention, as shown in fig. 54-55, a first wire via 1006 is provided on the electrical control board 760, a second wire via 1001 is provided on the second side board 37, and a wire harness is connected between the electrical control board 760 and the fan assembly 40, and the wire harness passes through the first wire via 1006 and the second wire via 1001.

Wherein, first via hole 1006 can be a plurality of, and second via hole 1001 also can be a plurality of, and a plurality of first via holes 1006 and a plurality of second via holes 1001 one-to-one and be used for supplying the pencil to pass, and like this, the pencil between automatically controlled board 760 and the fan assembly 40 is walked the line more conveniently, is favorable to shortening the length of pencil and makes the pencil arrange neatly more, and the overall arrangement is more convenient.

In addition, the first wire through hole 1006 can be arranged on the upper side of the electric control plate 760, the second wire through hole 1001 can be arranged on the upper side of the second side plate 37, so that the first wire through hole 1006 and the second wire through hole 1001 can be farther away from the bottom of the casing 10, the first wire through hole 1006 and the second wire through hole 1001 can be far away from the water receiving disc 600, the wire harness is farther away from the water receiving disc 600, condensed water is prevented from splashing on the wire harness, electric water touching is prevented, and the safety is higher.

In some embodiments of the present invention, as shown in fig. 54, the controller 700 further includes a heat sink 1008.

The radiator 1008 is disposed on a side of the box 701 facing the heat exchanger 50, and the second side plate 37 is provided with a through hole 1003, and a portion of the radiator 1008 extends into the casing 10 through the through hole 1003 to exchange heat with wind around the heat exchanger 50.

Therefore, the radiator 1008 of the controller 700 can extend into the casing 10 through the through hole 1003, so that heat of the radiator 1008 can be taken away by utilizing heat exchange airflow in the casing 10, the radiating efficiency of the radiator 1008 is improved, the temperature of components in the controller 700 cannot be too high, normal operation of the components in the controller 700 is ensured, and shutdown of the components due to the too high temperature is avoided, so that better user experience is ensured.

In some embodiments of the present invention, as shown in fig. 54, the heat sink 1008 includes a substrate 10081 and a heat sink 10082.

The heat sink 10082 is disposed on a side of the substrate 10081 facing the heat exchanger 50, the substrate 10081 is embedded on a side of the case 701 facing the heat exchanger 50, and the heat sink 10082 extends into the casing 10 through the through hole 1003.

In this way, the heat sink 10082 may be connected to the substrate 10081, and the heat sink 10082 may be fixed by connecting the substrate 10081 and the case 701, the plurality of heat sinks 10082 may extend in the left-right direction of the casing 10, and the plurality of heat sinks 10082 are disposed at intervals in the thickness direction thereof, so that the heat dissipation area of the heat sink 1008 may be increased by disposing the plurality of heat sinks 10082, and the heat dissipation efficiency of the heat sink 1008 may be further improved.

In some embodiments of the present invention, as shown in fig. 55, the controller 700 further includes a reactor 1009, where the reactor 1009 is disposed in the box 701, and the reactor 1009 is located above the electric control board 760, where both the electric control board 760 and the reactor 1009 may be installed on the electric control board 760, and the electric control board 760 and the reactor 1009 may be spaced along the up-down direction, so that the electric control board 760 and the reactor 1009 may be fixed, and position interference between the electric control board 760 and the reactor 1009 is avoided. In addition, by providing the reactor 1009, the reactor 1009 can effectively prevent the current flowing through the electric control board 760 from changing greatly, so as to ensure the current and voltage stability of the circuit, and make the controller 700 work more reliably.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A ducted air conditioner indoor unit, comprising:

the shell is provided with an air inlet and an air outlet on two opposite sides, and the air outlet is arranged on the front side of the air inlet;

the fan assembly is arranged in the shell and is adjacent to the air inlet;

the heat exchanger is arranged in the shell, the heat exchanger and the fan assembly are arranged at intervals in the front-rear direction, the heat exchanger is adjacent to the air outlet, and the air sucked by the fan assembly from the air inlet flows out from the air outlet after heat exchange of the heat exchanger;

It is characterized in that the method comprises the steps of,

the casing includes:

the air inlet shell is provided with the air inlet, the fan assembly is arranged in the air inlet shell to form at least one part of an air inlet module, and a first installation part is arranged on the air inlet shell;

the heat exchanger is arranged in the air outlet shell to form at least one part of an air outlet module, and a second installation part is arranged on the air outlet shell;

the second installation part corresponds to the first installation part, and when the pipeline type air conditioner indoor unit is installed, the air inlet module and the air outlet module are fixedly connected through the first installation part of the air inlet shell and the second installation part of the air outlet shell.

2. The indoor unit of claim 1, wherein the left and right ends of the front side of the air inlet casing are respectively provided with a flange, the first mounting portion is disposed on the flange, and the flange is fixedly connected with the air outlet casing through the first mounting portion and the second mounting portion.

3. The indoor unit of claim 2, wherein each of the flanges is provided with at least two first mounting portions, and the at least two first mounting portions are disposed at intervals in a vertical direction.

4. The indoor unit of claim 1, wherein the fan assembly comprises:

the air duct piece is arranged at the rear side of the heat exchanger;

the motor and the air duct piece are arranged at intervals in the left-right direction;

the fan is arranged in the air duct piece and is in transmission connection with the motor, and the internal air entering the air duct piece from the air inlet flows to the heat exchanger under the driving action of the fan and flows out from the air outlet after heat exchange of the heat exchanger;

the motor is arranged on the motor bracket;

the air duct piece and the motor support are arranged on the mounting plate, and the mounting plate is fixedly connected with the air outlet shell.

5. The indoor unit of claim 4, wherein the mounting plate is provided with a plurality of third mounting portions, the air outlet casing is provided with a plurality of fourth mounting portions, and the third mounting portions are fixedly connected with the fourth mounting portions in a one-to-one correspondence.

6. The indoor unit of claim 4, wherein the mounting plate is provided with a hook, the air outlet casing is provided with a hanging groove, and the hook is hung in the hanging groove.

7. The indoor unit of claim 1, wherein the air intake housing comprises:

a first base, the first base comprising: the first side plate is connected to the left side and the right side of the first bottom plate;

the first backboard is detachably arranged on the rear sides of the first bottom board and the first side board, and the first backboard is provided with the air inlet;

the fan assembly comprises a first side plate, a first top plate, a second top plate and a second side plate, wherein the first top plate is detachably arranged at the top of the first side plate, and the first top plate is a detachable first maintenance plate after the fan assembly breaks down.

8. The indoor unit of claim 7, wherein the air outlet casing comprises:

a second base, the second base comprising: a second bottom plate and a second back plate, the second back plate being connected to a rear side of the second bottom plate, the second back plate being provided with the second mounting portion;

the second side plate is detachably arranged on the left side and the right side of the second bottom plate and the second back plate;

the second roof, second roof detachably set up in the top of second curb plate after the heat exchanger breaks down, the second roof is detachable second maintenance board.

9. The indoor unit of claim 8, wherein the first base is an integrally formed metal structural member; and/or

The second base is an integrally formed metal structural member.

10. The indoor unit of claim 1, wherein the length of the air inlet casing in the left-right direction is smaller than the length of the air outlet casing in the left-right direction.