CN107192020B

CN107192020B - Air duct machine

Info

Publication number: CN107192020B
Application number: CN201710418065.1A
Authority: CN
Inventors: 王洪新
Original assignee: Qingdao Hisense Hitachi Air Conditioning System Co Ltd
Current assignee: Qingdao Hisense Hitachi Air Conditioning System Co Ltd
Priority date: 2017-06-06
Filing date: 2017-06-06
Publication date: 2020-11-24
Anticipated expiration: 2037-06-06
Also published as: CN107192020A

Abstract

The invention provides an air duct machine, which comprises a shell, and a fan assembly, a volute assembly, an air duct plate, a heat exchange assembly and a water receiving disc which are arranged in the shell, wherein the volute assembly comprises an upper volute and a lower volute which are formed by foaming, the air duct plate and the upper volute are integrally formed into a foaming piece, the heat exchange assembly is arranged below the air duct plate and is fixed with the shell, the water receiving disc is arranged below the heat exchange assembly and is clamped on the air duct plate, the upper volute is buckled on the lower volute to cover the fan, the upper volute, the lower volute, the air duct plate and the water receiving disc enclose a closed air duct, and an air outlet of the air duct faces the heat exchange assembly. The invention solves the problems of various parts and high manufacturing cost of the air duct machine in the prior art.

Description

Air duct machine

Technical Field

The invention relates to an improved structure of a duct type air conditioner.

Background

The ducted air conditioner among the prior art generally adopts sheet metal construction, has a great deal of defect, if: the number of parts is large, the metal plate is easy to be condensed, the noise of the metal plate structure is large, and the production and manufacturing cost is high. Patent document publication nos.: CN 201320156098.0's patent provides a tuber pipe machine, and this patent adopts injection moulding with tuber pipe machine's apron and chassis, and the material is plastics, replaces the sheet metal component with the injection molding, though reduced spare part quantity, nevertheless because the injection mold price is 2~3 times of sheet metal mold, and the injection molding material cost is about 1.3 times of sheet metal component material cost, and manufacturing cost is high. Patent document publication nos.: CN201520176063.2 discloses an air duct machine, which uses a foam material to manufacture a middle partition plate, and bonds the middle partition plate with a water pan, and although the manufacturing cost is reduced, the number of corresponding parts is not reduced, and the assembly efficiency cannot be improved.

Disclosure of Invention

The invention provides an air duct machine, which solves the problems of multiple types of parts and high manufacturing cost of the air duct machine in the prior art.

In order to solve the technical problems, the invention adopts the following technical scheme to realize the air duct machine:

the utility model provides a tuber pipe machine, including the casing, sets up fan assembly, spiral case subassembly, wind channel board, heat exchange assemblies and water collector inside the casing, spiral case subassembly is including the last spiral case and the lower spiral case of foaming shaping, the wind channel board with go up spiral case foaming forming part as an organic whole, heat exchange assemblies sets up wind channel board below and with the casing is fixed, the water collector sets up heat exchange assemblies below and card are established on the wind channel board, it is in to go up the spiral case lock will on the spiral case down the fan covers, go up spiral case, lower spiral case, wind channel board and water collector and enclose and establish into airtight wind channel, the air outlet orientation in wind channel heat exchange assemblies.

The invention also comprises the following additional technical features:

furthermore, the air duct plate is provided with an air guide surface, and the air guide surface is an inclined surface with a certain angle or a smoothly-transitional guide curved surface.

Furthermore, the lower volute and the water pan are an integrated foaming forming part or a split foaming forming part.

Furthermore, the thickness of the foaming layer of the upper volute, the lower volute and the air duct plate is 7-8mm.

Furthermore, a wall-shaped support is arranged on the air duct plate, a positioning bulge is arranged on the wall-shaped support, and a positioning hole matched with the positioning bulge is formed in the water receiving tray.

Further, the casing includes apron, maintenance board and integrated into one piece's shell, the shell includes roof, left side board, right side board and flange board, roof, left side board, right side board enclose and establish the shell, be provided with the couple on left side board and the right side board.

Furthermore, the fan assembly comprises 2 fans and a motor, and two ends of an output shaft of the motor are correspondingly connected with the fans in a transmission manner.

Furthermore, the fan assembly comprises 3 fans, a coupler, a motor and an assembly shaft, wherein one fan is fixed on a long shaft of the motor, and 2 fans are fixed on the assembly shaft and connected with an output short shaft of the motor through the coupler.

Further, the air pipe and the liquid pipe of the heat exchange assembly are fixed on one side of the shell through a pipeline pressing plate, and the other end of the heat exchange assembly is fixed on the other side of the shell through compression joint or threaded connection.

Furthermore, an opening is formed between the upper volute and the lower volute, the opening comprises circular openings at two sides and a square opening in the middle, the circular opening is an air inlet of the air duct, and the square opening is an air outlet of the air duct.

The invention has the following advantages and positive effects:

the invention provides a ducted air conditioner, which improves a volute structure in a volute component, wherein an upper volute, a lower volute and an air duct plate in the volute component are all made of foam pieces, and the air duct plate and the upper volute are integrally formed by foaming, so that the production and manufacturing cost is effectively reduced on the premise of ensuring the use strength, and meanwhile, the structure of the upper volute is improved to include the functions of the volute, the air duct plate, a middle partition plate, a left heat-insulating plate, a middle heat-insulating plate and a right heat-insulating plate in the prior art, so that the number of parts of the ducted air conditioner is effectively reduced.

Drawings

FIG. 1 is an exploded view of the ducted air conditioner of the present invention in an assembled state;

FIG. 2 is an exploded view of the ducted air conditioner of the present invention in use;

FIG. 3 is a full sectional view of the ducted air conditioner of the present invention;

fig. 4 is a perspective view of the upper volute and the duct plate of the ducted air conditioner of the present invention.

Detailed Description

Referring to fig. 1 to 4, the present invention provides an embodiment of a duct machine, which includes a housing 1, a cover plate 11 covering the housing 1, a fan assembly 3 disposed inside the housing 1, a volute assembly 4, a heat exchange assembly 5, an air duct plate 411, a water receiving tray 6, and a control box 10, specifically, the volute assembly 4 includes an upper volute 412 and a lower volute 42 formed by foaming, preferably, the upper volute 412 and the lower volute 42 in the present embodiment are formed by one-time foaming, and the thickness of the foaming layer corresponding to the formed foaming member is 7-8mm, the manufacturing cost of the product can be effectively reduced by using the foaming member, and the use strength of the upper volute 41 and the lower volute 42 can be ensured as long as sufficient foaming density can be ensured, the use requirement of the product is effectively met, and meanwhile, the upper volute 412 and the lower volute 42 are made of foam materials formed in a foaming mode, so that the noise of the product can be reduced.

Simultaneously, the preferred spiral case 412 and wind channel board 411 of going up in this embodiment adopt integrative foaming shaping to set up, design as integrative foaming forming part, replaced the structure of spiral case, wind channel board, well baffle, left heated board, well heated board, the right heated board among the prior art, the effectual quantity that reduces the spare part of tuber pipe machine has improved the production assembly efficiency of product. When the water receiving tray is assembled, a wall-shaped support 413 is arranged on the air duct plate 411, a positioning protrusion 414 is arranged on the wall-shaped support 413, and a positioning hole used for being in clamping fit with the positioning protrusion 414 is formed in the water receiving tray 6. When the air duct plate 411 is specifically arranged, the heat exchange assembly 5 is arranged below the air duct plate 411, an air pipe and a liquid pipe of the heat exchange assembly are fixed on one side of the shell 1 through a pipeline pressing plate, and the other end of the heat exchange assembly 5 is fixed on the other side of the shell 1 through compression joint or threaded connection. The water receiving tray 6 is arranged below the heat exchange assembly 5 and used for receiving water, when the water receiving tray 6 is matched with the heat exchange assembly 5, the water receiving tray 6 is assembled on the positioning protrusion 414 through the positioning hole to realize clamping and positioning between the air duct plate 411 and the water receiving tray 6, meanwhile, the heat exchange assembly 5 arranged between the air duct plate 411 and the water receiving tray 6 is compressed to a certain degree, and the lower volute 42 is buckled on the upper volute 412 to cover and buckle the fan 31 of the fan assembly 3 inside the upper volute. Because the structure of the upper volute 412 in this embodiment is different from that of the upper volute in the prior art, and the types of the adopted parts are less than those in the prior art, in this embodiment, only four pieces of connection among the upper volute 412, the lower volute 42, the air duct plate 411 and the water pan 6 can be enclosed to form a closed air duct, and the air duct plate 411 and the upper volute 412 are an integrated foam molding piece, so that only 3 pieces of connection are needed to form the air duct, the heat exchange assembly 5 is located inside the air duct, and the fan 31 is also located inside the air duct, so that when the fan 31 blows air, the air blown out by the fan can be directly blown onto the heat exchange assembly 5 through the air outlet facing the heat exchange assembly 5, and the heat dissipation function is realized. Compared with the air duct structure in the prior art, the air duct structure in the embodiment has the advantages that the number of parts is greatly reduced, the assembly is more convenient and faster, and the assembly efficiency is improved.

Further, an opening is formed between the upper volute 412 and the lower volute 42, and the opening includes circular openings at two sides and a square opening in the middle, the circular opening is an air inlet of the air duct, and the square opening is an air outlet of the air duct. The heat exchange assembly 5 is located inside the air duct, preferably, sealing strips are arranged at the contact positions of the heat exchange assembly 5, the upper volute 412 and the water receiving tray 6, so that sealing is realized, the air blown out from the fan 31 is prevented from being blown out from gaps, the air blown out from the fan 31 can be effectively prevented from being blown onto the heat exchange assembly 5, and the heat exchange efficiency is improved.

Preferably, the air duct plate 411 is provided with an air guide surface 411-1, and the air guide surface 411-1 is an inclined surface with a certain angle or a smoothly-transiting guide curved surface. Preferably, the side of the wind guide surface 411-1 facing the heat exchange assembly 5 is inclined or directed to guide the wind blown out by the fan 31.

For the spare part quantity that further reduces tuber pipe machine in this embodiment, will casing 1 sets up to apron 11, maintenance board 2 and shell 12, and shell 12 is roof, left side board, right side board and flange board integrated into one piece structure, is provided with couple 13 on right side board and the right side board. The shell 12 can be formed by adopting integrated sheet metal stamping and spot welding, and replaces the functions of a top plate, a left side plate, a right side plate, a flange plate and a hook in the prior art.

One implementation of the fan assembly in this embodiment is as follows: the fan assembly 3 comprises 2 fans 31 and motors 32, two ends of an output shaft of each motor are correspondingly in transmission connection with the corresponding fan 31, and correspondingly, 2 fan installation cavities 411 corresponding to the upper volute 41 are also arranged.

Another embodiment of the fan assembly 3 in this embodiment is as follows: fan assembly 3 includes 3 fan 31, shaft coupling 33, motor 32, fan bracket 5 and assembly axle 7, wherein 1 fan 31 is fixed on the major axis of motor 32, and wherein 2 fan 31 are fixed on assembly axle 7, through shaft coupling 33 with the short axle of motor 32 connects, forms fan assembly 3, and fan assembly 3 passes through fan bracket 5 and the clamp is fixed on shell 12. The fan bracket 5 includes a first fan bracket 51 and a second fan bracket 52, both of which are fixed to the casing 12 by screws, one end of the fan assembly 3 is fixed to the fan bracket 51, and the motor 32 is fixed to the fan bracket 52 and is firmly fastened by clips and screws.

Further, the lower volute 42 and the water pan 6 are an integrated foaming molding piece or a split foaming molding piece. Preferably, the lower volute 42 and the water pan 6 are formed by separate foaming molding members, and the lower volute 42 is integrally fastened to the upper volute 412 when being matched with the upper volute 412. An assembly gap is formed between the lower volute 42 and the water-receiving tray 6, and the maintenance of the motor 32 and the fan 31 can be performed only through a narrow maintenance opening reserved in the ceiling. If with lower spiral case 42 and drip tray 6 integration foaming design, although reducible spare part quantity, nevertheless because motor 32 and fan 31 are vulnerable part, go out the problem relatively easily, in case will maintain, must tear the ceiling furred ceiling of drip tray 6 below open, then dismantle drip tray 6 again, often have the comdenstion water in the drip tray 6 the inside, flow on the floor very easily, the maintenance is extremely loaded down with trivial details complicacy.

The assembling process of the wind pipe machine in this embodiment during assembling is as follows, and in this embodiment, 3 fans 31 are taken as an example for description:

1. the casing 12 is laid on the line body, and the first fan bracket 51, the second fan bracket 52 and the upper scroll 412 are successively placed thereon and fixed by screws.

2. The fan assembly 3 is formed by fixing 1 fan 31 to the long shaft end of the motor 32, assembling the remaining 2 fans 32 to the assembly shaft 7 to form an assembly, fixing it to the short shaft end of the motor 32 through the coupling 33, fixing the left end of the fan assembly 3 to the first fan bracket 51, and placing the motor 32 on the second fan bracket 52 to fix it by clips and screws.

3. The heat exchange assembly 5 is placed on the upper volute 412, the left side of the heat exchange assembly is fixed on the shell 12 through screws, and the right side of the heat exchange assembly 5 is firmly fixed with the air pipe and the liquid pipe through the pipeline pressing plate 9.

4. The water receiving tray 6 is placed on the upper volute 412, covers the heat exchange assembly 5, and is clamped and positioned with the front part of the upper volute 412.

5. Three lower volutes 42 are placed at corresponding positions of the upper volute 412, and are positioned by matching the protrusions and the holes, and the fan installation cavity 412 of the upper volute 412 and the lower volute 42 just cover the fan 31.

6. The control box 10 is fixed on the shell 12 through threaded connection, and the wire harness terminal of the temperature sensor on the heat exchange assembly 5 is plugged on the substrate of the control box 10, and the wire harness is arranged.

7. The cover plate 11 is fixed to the housing 12 using screws.

8. The service plate 2 is fixed to the cover plate 11 and the housing 12 by means of hooks and screws.

The state of assembling at this moment is opposite with user's actual use state, and the user is when using, and the blast pipe machine upset of assembling can use.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions.

Claims

1. The utility model provides a ducted air conditioner, includes the casing, sets up fan unit spare, spiral case subassembly, wind channel board, heat transfer subassembly and water collector inside the casing, its characterized in that, spiral case subassembly is including the last spiral case and the lower spiral case of foaming shaping, the wind channel board with go up spiral case foaming forming part as an organic whole, heat transfer subassembly sets up wind channel board below and with the casing is fixed, the water collector sets up heat transfer subassembly below and card are established on the wind channel board, it is in to go up the spiral case lock will on the spiral case down the fan covers, go up spiral case, lower spiral case, wind channel board and water collector and enclose and establish into airtight wind channel, the air outlet orientation in wind channel the heat transfer subassembly, be provided with the wind-guiding surface on the wind channel board, the wind-guiding surface is the lopsidedness of heat transfer subassembly, the wind-guiding surface is smooth transition's direction curved surface.

2. The ducted air conditioner according to claim 1, wherein the lower volute and the water pan are formed as an integral foam molding or a separate foam molding.

3. The ducted air conditioner of claim 1 wherein the upper and lower volutes and the duct plate have a foam layer thickness of 7-8mm.

4. The ducted air conditioner according to any one of claims 1 to 3, wherein the duct plate is provided with a wall-shaped support, the wall-shaped support is provided with a positioning protrusion, and the water pan is provided with a positioning hole for being engaged with the positioning protrusion.

5. The ducted air conditioner according to claim 1, wherein the casing includes a cover plate, a maintenance plate, and an integrally formed housing, the housing includes a top plate, a left side plate, a right side plate, and a flange plate, the top plate, the left side plate, and the right side plate are enclosed into the housing, and hooks are provided on the left side plate and the right side plate.

6. The ducted air conditioner of claim 1, wherein the fan assembly includes 2 fans and a motor, and wherein the two ends of the output shaft of the motor are in driving connection with the fans.

7. The ducted air conditioner of claim 1, wherein the fan assembly includes 3 fans, a coupling, a motor, and a mounting shaft, one of the fans being fixed to a major axis of the motor, and 2 of the fans being fixed to the mounting shaft and connected to an output stub shaft of the motor by the coupling.

8. The ducted air conditioner according to claim 1, wherein the air pipe and the liquid pipe of the heat exchange assembly are fixed on one side of the casing through a pipeline pressing plate, and the other end of the heat exchange assembly is fixed on the other side of the casing through compression joint or threaded connection.

9. The ducted air conditioner according to claim 1, wherein an opening is formed between the upper scroll casing and the lower scroll casing, the opening includes circular openings at both sides and a square opening at the center, the circular opening is an air inlet of the air duct, and the square opening is an air outlet of the air duct.