CN215336765U - Air conditioner pipeline system and fresh air conditioning device - Google Patents

Abstract

The utility model discloses an air conditioner pipeline system and a fresh air conditioning device. The air conditioner pipeline system comprises a fresh air pipeline, a first pipeline, a second pipeline and a drainage pipeline; the fresh air duct includes a first duct having opposite first and second ends; the first pipeline comprises a second pipeline which is provided with a third end part and a fourth end part which are opposite to each other and partially penetrates through the first pipeline, the third end part penetrates out of the first end part, and the fourth end part penetrates out of the second end part; the second pipeline comprises a third pipeline which is partially arranged in the second pipeline in a penetrating way, one end of the third pipeline penetrates out of the second pipeline from the third end part, and the other end of the third pipeline penetrates out of the second pipeline from the fourth end part; the drain pipeline comprises a fourth pipeline, a local fourth pipeline penetrates through the first pipeline, one end of the fourth pipeline penetrates out from the first end part, and the other end of the fourth pipeline penetrates out from the second end part. The air conditioner pipeline system has the characteristics of high integration level, convenience in disassembly and assembly and the like.

Description

Air conditioner pipeline system and fresh air conditioning device

Technical Field

The utility model relates to the technical field of household appliances, in particular to an air conditioner pipeline system and a fresh air conditioning device.

Background

The air conditioning duct system generally includes a liquid refrigerant pipe connected between the indoor unit and the outdoor unit and a gas refrigerant pipe connected between the indoor unit and the outdoor unit, and when a fresh air module or the like is required, other pipes connected between the indoor unit and the outdoor unit are additionally provided. However, the existing air conditioning pipeline system has the following defects:

(1) the integrated level is low, the pipeline is complicated, the occupied space is large, the space utilization rate is low, and the disassembly and the assembly are inconvenient. The main reason is that a plurality of pipelines in the air-conditioning pipeline system are arranged in branch pipes, and the pipeline structure is complicated due to the branch pipe arrangement, so that the pipeline is inconvenient to disassemble and assemble, and particularly is inconvenient to disassemble and assemble in a complicated installation environment.

(2) The pipeline installation is not beautiful. When increasing new trend module or drainage module, need increase the quantity of wearing to locate the pipeline of wall body, need at this moment trompil again or carry out the reaming to original hole on the wall body, can influence the pleasing to the eye effect between air conditioner pipe-line system and the wall body, be unfavorable for the pleasing to the eye of building.

(3) Insufficient heat exchange and energy waste. The main reason is that the heat of the gaseous refrigerant and the liquid refrigerant in the air-conditioning pipeline system can not be fully utilized in the refrigeration or heating process of the air-conditioning device, and when the next refrigeration or heating process is carried out by refluxing the next gas refrigerant and the liquid refrigerant, the compressor needs to consume larger energy to realize the next refrigeration or heating, thus causing energy waste.

SUMMERY OF THE UTILITY MODEL

One of the objectives of the embodiments of the present invention is to provide an air conditioning pipeline system, which at least solves the problems of low integration level, complex pipeline structure, difficult installation in a complex installation environment, and unattractive installation of the existing air conditioning pipeline system due to the branch pipe arrangement.

In order to achieve the above purpose, the embodiment of the present invention adopts the following technical solutions:

the air conditioning pipeline system is connected between an indoor unit and an outdoor unit of the air conditioning device and comprises a fresh air pipeline, a first pipeline, a second pipeline and a drainage pipeline;

the fresh air pipeline comprises a first pipeline, wherein the first pipeline is provided with a first end part and a second end part which is arranged opposite to the first end part;

the first pipeline comprises a second pipeline which is partially arranged in the first pipeline in a penetrating mode, the second pipeline is provided with a third end part and a fourth end part which is arranged opposite to the third end part, the third end part penetrates out of the first pipeline from the first end part, and the fourth end part penetrates out of the first pipeline from the second end part;

the second pipeline comprises a third pipeline which is partially arranged in the second pipeline in a penetrating way, one end of the third pipeline penetrates out of the second pipeline from the third end part, and the other end of the third pipeline penetrates out of the second pipeline from the fourth end part;

the drain line includes the fourth pipeline, and local fourth pipeline wears to locate first pipeline in, and first pipeline is worn out from first tip to the one end of first pipeline, and the first pipeline is worn out from the second tip to the other end.

In a possible embodiment, the first end is provided with a first hole, the second end is provided with a second hole, the third end passes out of the first duct from the first hole, and the fourth end passes out of the first duct from the second hole; one end of the fourth pipeline penetrates out of the first pipeline from the end face of the first end part.

In a possible embodiment, the first hole is provided at an end face of the first end portion, the fresh air duct further includes a connecting duct, and the second hole includes two holes, one of the second holes is used for communicating the first duct with the connecting duct, and the other second hole is used for passing through the fourth end portion.

In a possible embodiment, the third end is provided with two first through holes and the fourth end is provided with two second through holes;

one end of the third pipeline penetrates out of the second pipeline from one of the first through holes, and the other end of the third pipeline penetrates out of the second pipeline from one of the second through holes.

In one possible embodiment, two first through holes are provided at the end face of the third end portion; the two second through holes are formed in the end face of the fourth end part;

or the two first through holes are formed in the end face of the third end part; one second through hole is formed in the end face of the fourth end portion, and the other second through hole is formed in the side wall of the fourth end portion;

or, the two first through holes are arranged on the end surface of the third end part; two second through-holes are all arranged on the side wall of the fourth end part.

In a possible embodiment, the first pipeline further comprises a fifth pipeline and a sixth pipeline, the fifth pipeline is connected with the second pipeline at the first end, and the sixth pipeline is connected with the second pipeline at the second end.

In a possible embodiment, the section of the third pipeline passing through the second pipeline is a straight pipe or a bent pipe or a part of the third pipeline is a straight pipe and a part of the third pipeline is a bent pipe.

In one possible embodiment, the first hole cover is provided with a protective net for preventing foreign matter from entering the fresh air duct.

In a possible embodiment, the first pipeline is provided with a mounting groove for mounting the fourth pipeline, the mounting groove is arranged on a wall body of the first pipeline along the axial direction of the first pipeline, a notch of the mounting groove is arranged on an outer wall surface of the first pipeline, and a groove bottom wall of the mounting groove is positioned in the first pipeline.

The second purpose of the embodiment of the utility model is to provide a fresh air conditioning device, which comprises an outdoor unit, an indoor unit and the air conditioning pipeline system;

the local first pipeline penetrates through the wall body, the first end part of the local first pipeline is arranged on the outdoor side, and the second end part of the local first pipeline is arranged on the indoor side; one end of the first pipeline is connected with the outdoor unit, and the other end of the first pipeline is connected with the indoor unit; one end of the second pipeline is connected with the outdoor unit, and the other end of the second pipeline is connected with the indoor unit;

the end part of the drainage pipeline positioned in the room is connected with the indoor unit and is used for draining water generated by the indoor unit out of the room.

In a possible implementation manner, the first pipeline further includes a second pipeline, a fifth pipeline and a sixth pipeline, one end of the fifth pipeline is connected with the outdoor unit, the other end of the fifth pipeline is connected with the second pipeline, one end of the sixth pipeline is connected with the indoor unit, and the other end of the sixth pipeline is connected with the second pipeline;

the second pipeline also comprises a seventh pipeline and an eighth pipeline; one end of the seventh pipeline is connected with the outdoor unit, the other end of the seventh pipeline is communicated with the third pipeline, one end of the eighth pipeline is communicated with the indoor unit, and the other end of the eighth pipeline is communicated with the third pipeline; the first pipeline is used for passing gaseous refrigerant, and the second pipeline is used for passing liquid refrigerant.

The utility model has the beneficial effects that:

according to the air conditioner pipeline system and the fresh air conditioner device provided by the embodiment of the utility model, the second pipeline belonging to the first pipeline is locally penetrated on the fresh air pipeline, the third pipeline belonging to the second pipeline is locally penetrated on the second pipeline, and the fourth pipeline belonging to the water drainage pipeline is locally penetrated on the first pipeline, so that the integration level of the fresh air pipeline, the first pipeline, the second pipeline and the water drainage pipeline can be effectively improved, the space occupancy rate of the air conditioner pipeline system is reduced, the air conditioner pipeline system can be conveniently detached and installed through a wall, the installation process and the installation time are greatly saved, and the air conditioner pipeline system can adapt to a more complex wall installation environment. In the fresh air conditioner device with the air conditioner pipeline system structure, one of the first pipeline and the second pipeline passes through the gaseous refrigerant, and the other of the first pipeline and the second pipeline passes through the liquid refrigerant, so that heat exchange can be carried out on the pipe section of the first pipeline penetrated by the second pipeline, and reverse heat exchange is realized, thereby reducing the invalid overheating phenomenon and improving the heat exchange performance of the air conditioner pipeline system; outdoor entering indoor fresh air is also subjected to heat exchange on the pipe sections of the first pipeline and the second pipeline which penetrate through the fresh air pipeline, so that the outdoor entering indoor fresh air is more suitable for indoor temperature environment, and the fresh air experience of a user is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic perspective view of an air conditioning pipeline system according to a first embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view taken along the axial direction of the first pipe in FIG. 1;

FIG. 3 is a schematic cross-sectional view of the first pipe of FIG. 1 taken along a radial direction thereof;

fig. 4 is a schematic diagram illustrating a partial explosion of an air conditioning piping system according to an embodiment of the present invention;

FIG. 5 is a schematic view of an assembly structure of a second pipe and a third pipe according to a first embodiment of the present invention;

FIG. 6 is a schematic sectional view taken along the axial direction of the second pipe in FIG. 5;

fig. 7 is a schematic perspective view of a second pipeline according to a first embodiment of the present invention;

FIG. 8 is a schematic cross-sectional view taken along the axial direction in FIG. 7;

FIG. 9 is a schematic perspective view of a second pipeline according to an embodiment of the first embodiment of the present invention;

FIG. 10 is a schematic cross-sectional view taken along the axial direction in FIG. 9;

FIG. 11 is a simplified schematic diagram of a fresh air conditioning unit according to a first embodiment of the present invention after installation;

FIG. 12 is a schematic longitudinal sectional view of a second pipe according to a second embodiment of the present invention;

FIG. 13 is a longitudinal sectional view of a second pipe according to a third embodiment of the present invention;

fig. 14 is a schematic cross-sectional view of an air conditioning piping system according to a fifth embodiment of the present invention, taken along a radial direction of a first pipe;

fig. 15 is a schematic cross-sectional view of an air conditioning duct system along a radial direction of a first duct according to a sixth embodiment of the present invention;

fig. 16 is a schematic cross-sectional view of an air conditioning piping system according to a seventh embodiment of the present invention, taken along a radial direction of a first pipe;

fig. 17 is a schematic cross-sectional view of an air conditioning pipeline system along a radial direction of a first pipeline according to an eighth embodiment of the present invention.

Reference numerals:

100. an air conditioning duct system;

1. a fresh air pipeline; 11. a first conduit; 110. mounting grooves; 111. a first end portion; 1110. a first hole; 112. a second end portion; 1120. a second hole; 12. connecting a pipeline; 13. a protective net;

2. a first pipeline; 21. a second conduit; 211. a third end portion; 2110. a first through hole; 212. a fourth end portion; 2120. a second through hole; 22. a fifth pipeline; 23. a sixth pipeline;

3. a second pipeline; 31. a third pipeline; 32. a seventh pipe; 33. an eighth conduit;

4. a drain line; 41. a fourth conduit;

5. a connecting member;

1000. a fresh air conditioning unit;

200. an outdoor unit; 300. an indoor unit;

2000. a wall body.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

Fig. 1 to 11 are schematic structural diagrams of an air conditioning pipeline system 100 and a fresh air conditioning device 1000 according to this embodiment.

Referring to fig. 1 and 11, an air conditioning pipeline system 100 of the present embodiment includes a fresh air pipeline 1, a first pipeline 2, a second pipeline 3, and a drain pipeline 4. The fresh air pipeline 1 is used for introducing fresh air outdoors, the first pipeline 2 is connected between an indoor unit 300 and an outdoor unit 200 of the fresh air conditioning device 1000, the second pipeline 3 is connected between the indoor unit 300 and the outdoor unit 200 of the fresh air conditioning pipeline, one of the first pipeline 2 and the second pipeline 3 is used for passing gaseous refrigerants, the other one of the first pipeline 2 and the second pipeline 3 is used for passing liquid refrigerants, the local first pipeline 2 is arranged in the fresh air pipeline 1 in a penetrating mode, the local second pipeline 3 is arranged in the pipeline section of the first pipeline 2 in a penetrating mode, the local drainage pipeline 4 is arranged in the fresh air pipeline 1 in a penetrating mode, the pipeline section of the fresh air pipeline 1 in a penetrating mode is arranged in the pipeline section of the first pipeline 2 in a penetrating mode, the pipeline section of the first pipeline 2 in a penetrating mode is arranged in the pipeline section of the fresh air pipeline 1 in a penetrating mode, and the integration level of the air conditioning pipeline system 100 is effectively improved. In some possible embodiments, the first line 2 is used for passing gaseous refrigerant and the second line 3 is used for passing liquid refrigerant.

Referring to fig. 1, fig. 2 and fig. 4, in an embodiment of the present embodiment, the fresh air pipeline 1 includes a first pipeline 11 and a connecting pipeline 12 connected to the first pipeline 11, the first pipeline 11 has a first end 111 and a second end 112, the first end 111 and the second end 112 are oppositely disposed, a first hole 1110 is formed on the first end 111, the first hole 1110 is formed on an end surface of the first end 111, two second holes 1120 are formed on the second end 112, one of the second holes 1120 is formed on an end surface of the second end 112, and the other second hole 1120 is formed on a side wall surface of the second end 112.

Referring to fig. 4 and 3, as a possible implementation manner of the present embodiment, the first pipe 11 is provided with a mounting groove 110, and the mounting groove 110 is used for mounting the drainage pipeline 4. Specifically, the mounting groove 110 is provided on the wall body of the first pipe 11 in the axial direction of the first pipe 11, and the notch of the mounting groove 110 is provided on the outer wall surface of the first pipe 11 with the notch 1111 facing the outside of the first pipe 11, the groove bottom wall of the mounting groove 110 is positioned inside the first pipe 11, the drain line 4 includes a fourth pipe 41, the fourth pipe 41 is insert-mounted on the mounting groove 110, the wall body of the first pipeline 11 is provided with the mounting groove 110, so that the fourth pipeline 41 can be conveniently arranged on the first pipeline 11 in a penetrating way, and the fourth pipeline 41 is convenient to be disassembled and assembled on the first pipeline 11 on the premise of realizing high integration, when the fourth pipeline 41 is arranged on the first pipeline 11 in a penetrating way, it is not necessary to penetrate the fourth pipe 41 into the first pipe 11 from the end of the first pipe 11 in the axial direction of the first pipe 11, when the fourth pipe 41 is detached from the first pipe 11, it is not necessary to pull out the end portion of the first pipe 11 in the axial direction of the first pipe 11. As a possible implementation manner, in the cross section from the first pipeline 11 to the radial direction, the section of the fourth pipeline 41 on the notch side is in a sector shape, and the circle center of the sector shape coincides with the circle of the first pipeline 11, so that the radial cross-sectional area of the first pipeline 11 is not increased after the fourth pipeline 41 is arranged in the first pipeline 11 in a penetrating manner, which facilitates the installation of the air-conditioning pipeline system 100, and is beneficial to improving the aesthetic effect of the air-conditioning pipeline system 100.

Referring to fig. 1 and 4, in a possible embodiment of the present embodiment, a protective net 13 is disposed on the first hole 1110, and the protective net 13 is covered on an end surface of the first hole 1110 to prevent foreign matters from entering the room through the fresh air pipeline 1 or blocking the fresh air pipeline 1.

Referring to fig. 5, 6, 7, 2 and 4, the first pipeline 2 includes a second pipeline 21, a fifth pipeline 22 and a sixth pipeline 23, wherein the second pipeline 21 has a third end 211 and a fourth end 212, the third end 211 and the fourth end 212 are oppositely disposed, two first through holes 2110 are formed on the third end 211, the two first through holes 2110 are both disposed on an end surface of the third end 211, the fourth end 212 is formed with two second through holes 2120, the two second through holes 2120 are both disposed on an end surface of the fourth end 212, a part of the second pipeline 21 passes through the first pipeline 11, the third end 211 passes through the first pipeline 11 from the first hole 1110, the fourth end 212 passes through the first pipeline 11 from one of the second holes 1120, the fifth pipeline 22 and the second pipeline 21 are connected to the third end 211, specifically, the fifth pipeline 22 is connected to one of the first through holes 2110, the sixth conduit 23 and the second conduit 21 are connected to the fourth end 212, in particular the sixth conduit 23 is connected to one of the second through holes 2120.

Referring to fig. 5, 6, 7 and 8, the second pipeline 3 includes a third pipeline 31, a seventh pipeline 32 and an eighth pipeline 33, a part of the third pipeline 31 passes through the second pipeline 21, one end of the third pipeline 31 passes through the second pipeline 21 from the third end 211, and the other end passes through the second pipeline 21 from the fourth end 212. Specifically, one end of the third duct 31 is not connected to the first through hole 2110 of the fifth duct 22 and penetrates out of the second duct 21, and the other end of the third duct penetrates out of the second duct 21 from the second through hole 2120 in which the sixth duct 23 is not penetrated. The seventh pipe 32 is connected to the end of the third pipe 31 at the first through hole 2110, and the eighth pipe 33 is connected to the end of the third pipe 31 at the second through hole 2120.

Referring to fig. 9 and 10, in one possible implementation manner of the present embodiment, the central axes of the two first through holes 2110 are both parallel to and coaxial with the central axis of the second pipe 21, the central axes of the two second through holes 2120 are both parallel to and coaxial with the central axis of the second pipe 21, one of the first through holes 2110 is coaxial with one of the second through holes 2120, and the other one of the first through holes 2110 is coaxial with the other one of the second through holes 2120. Of course, in some alternative embodiments, the central axes of the two first through holes 2110 are both parallel to and off-axis with the central axis of the second conduit 21, and the central axes of the two first through holes 2110 are off-axis with the central axes of the two second through holes 2120; alternatively, the central axis of one of the first through holes 2110 is coaxially disposed with the central axis of one of the second through holes 2120, and the central axis of the other of the first through holes 2110 is coaxially disposed with the central axis of the other of the second through holes 2120 and intersects at an angle (i.e., not 0 °); still alternatively, the central axes of the two first through holes 2110 and the central axis of the second pipe 21 intersect at an angle (i.e., not 0 °), and the central axes of the two second through holes 2120 and the central axis of the second pipe 21 intersect at an angle (i.e., not 0 °); alternatively, the central axes of the two first through holes 2110 are both parallel to and arranged off-axis with respect to the central axis of the second pipe 21, and the central axes of the two second through holes 2120 are both arranged to intersect the central axis of the second pipe 21 at an angle (i.e., not 0 °); alternatively, the central axis of one of the first through holes 2110 may intersect with the central axis of the second pipe 21 at an angle (i.e., not 0 °), the central axis of the other first through hole 2110 may be parallel to and different from the central axis of the second pipe 21, the central axis of one of the second through holes 2120 may intersect with the central axis of the second pipe 21 at an angle (i.e., not 0 °), and the central axis of the other second through hole 2120 may be parallel to and different from the central axis of the second pipe 21.

In one possible embodiment of the present embodiment, the pipe section of the third pipe 31 passing through the second pipe 21 is a straight pipe, and one end of the straight pipe passes through the second pipe 21 from one of the first through holes 2110, and the other end passes through the second pipe 21 from one of the second through holes 2120.

In one possible embodiment of this embodiment, the pipe segment that the third pipe 31 passes through in the second pipe 21 is a bent pipe, one end of the bent pipe passes through the second pipe 21 from one of the first through holes 2110, and the other end passes through the second pipe 21 from one of the second through holes 2120, and the central axis of the pipe segment that passes through the third end 211 intersects the central axis of the pipe segment that passes through the fourth end 212 at an angle (i.e. not 0 °). In a possible alternative embodiment of the present embodiment, the bending tube is a serpentine tube or a spiral tube.

In a possible embodiment of this embodiment, the pipe segment that the third pipe 31 penetrates through the second pipe 21 is a bent pipe, one end of the bent pipe penetrates through the second pipe 21 from one of the first through holes 2110, the other end penetrates through the second pipe 21 from one of the second through holes 2120, and the central axis of the pipe segment that penetrates through the end surface of the third end portion 211 and the central axis of the pipe segment that penetrates through the end surface of the fourth end portion 212 are parallel to each other and are not coaxial with each other.

In a possible embodiment of the present embodiment, the pipe section of the third pipeline 31 passing through the second pipeline 21 is partially a straight pipe and partially a bent pipe.

In the above embodiment, no matter the tube is a straight tube or a bent tube, it can be ensured that the contact area between the refrigerant flowing through the second tube 21 and the refrigerant flowing through the third tube 31 can be increased under the condition that the lengths of the second tube 21 are the same, and the heat exchange amount of the second tube 21 and the third tube 31 is increased, so that the reverse heat exchange is more sufficient, the invalid overheating phenomenon is further reduced, and the heat exchange performance of the air-conditioning pipeline system 100 is improved.

Referring to fig. 5 and 6, in a possible implementation manner of this embodiment, the outer surfaces of the fifth pipeline 22, the sixth pipeline 23, the seventh pipeline 32, and the eighth pipeline 33 are all coated with a heat insulating layer (not shown in the figures), the heat insulating layer may be made of heat insulating cotton or other heat insulating materials to achieve a heat insulating effect, and since a part of the third pipeline 31 is inserted into the second pipeline 21, and a part of the second pipeline 21 inserted with the third pipeline 31 is inserted into the first pipeline 11 of the fresh air pipeline 1, the usage amount of the heat insulating materials in the air conditioning pipeline system 100 may be reduced. In one possible embodiment, the thickness of the insulating layer is 5mm to 10 mm.

Referring to fig. 5, in a possible embodiment of the present embodiment, the fifth pipeline 22 is connected to the second pipeline 21 through the connecting member 5, and the sixth pipeline 23 is connected to the second pipeline 21 through the connecting member 5, wherein the connecting member 5 may be a quick coupling. In an alternative embodiment, the fifth and sixth pipelines 22 and 23 are each connected to the second pipeline 21 by welding.

In another possible embodiment of the present embodiment, the ends of the first duct 11 and the second duct 21 are chamfered, thereby facilitating a reduction in the resistance to through-wall installation.

Referring to fig. 5 and 6, in a possible embodiment of the present invention, the second pipeline 21, the fifth pipeline 22, and the sixth pipeline 23 in the first pipeline 2 are separately arranged pipelines, and the third pipeline 31, the seventh pipeline 32, and the eighth pipeline 33 in the second pipeline 3 are also separately arranged pipelines, so that the transportation, the assembly, and the disassembly of the air conditioning pipeline system 100 are more convenient.

In the present embodiment, on the basis of the air conditioning pipeline system 100, a fresh air conditioning device 1000 is further provided, and refer to fig. 1 and 11 specifically. The fresh air conditioning device 1000 includes an outdoor unit 200, an indoor unit 300, and the air conditioning duct system 100 described above. The fresh air pipeline 1 is used for introducing outdoor fresh air into a room, the local first pipeline 11 is arranged on the wall 2000 in a penetrating manner, the first end part 111 is arranged on the outdoor side, and the second end part 112 is arranged on the indoor side and connected with the indoor unit 300 through a connecting pipe; in the first pipe 2, one end of the fifth pipe 22 is connected to the outdoor unit 200, and one end of the sixth pipe 23 is connected to the indoor unit 300, so that the first pipe 2 is connected between the indoor unit 300 and the outdoor unit 200 for passing a gaseous refrigerant; in the second pipe line 3, one end of the seventh pipe line 32 is connected to the outdoor unit 200, and one end of the eighth pipe line 33 is connected to the indoor unit 300, so that the second pipe line 3 is connected between the indoor unit 300 and the outdoor unit 200 for passing a liquid refrigerant; the end of the drain line 4 on the indoor side is connected to the indoor unit 300, so that water generated in the indoor unit 300 can be discharged to the outside.

In the fresh air conditioning device 1000 of this embodiment, since the local first pipeline 2 and the local drain pipeline 4 of the air conditioning pipeline system 100 are both disposed on the fresh air pipeline 1, and the local second pipeline 3 is disposed on the first pipeline 2, on one hand, the integration level of the fresh air pipeline 1, the first pipeline 2, the second pipeline 3 and the drain pipeline 4 can be improved, and the space occupancy rate of the air conditioning pipeline system 100 is reduced; on the other hand, since the first holes 1110 are disposed on the end surface of the first end portion 111, the two first through holes 2110 are disposed on the end surface of the third end portion 211, and the two second through holes 2120 are disposed on the end surface of the fourth end portion 212, the air-conditioning duct system 100 is convenient to mount and dismount through a wall, the mounting process and the mounting time are greatly saved, and the air-conditioning duct system 100 can adapt to a more complex wall 2000 mounting environment; on the other hand, as the first pipeline 2 passes through the gaseous refrigerant and the second pipeline 3 passes through the liquid refrigerant, heat exchange can be carried out on the pipe section of the second pipeline 3 penetrating through the first pipeline 2, so that reverse heat exchange is realized, the invalid overheating phenomenon is reduced, and the heat exchange performance of the air-conditioning pipeline system 100 is improved; in addition, because the part of first pipeline 2 and second pipeline 3 all wears to establish on fresh air pipeline 1 for wear to locate the same heat exchange that takes place on fresh air pipeline 1's pipeline section by first pipeline 2, second pipeline 3 by the indoor new trend of outdoor entering, it is more fit for indoor temperature environment to get into indoor new trend, has improved user's use and has experienced.

The following describes the installation process of the fresh air conditioning device 1000 according to the present embodiment with reference to fig. 1 to 11:

when the fresh air conditioner 1000 of the present embodiment is installed, the local third pipeline 31 is inserted into the second pipeline 21, and the local second pipeline 21 and the local fourth pipeline 41 are inserted into the first pipeline 11, and the first end 111 of the first pipeline 11 is directly inserted into the air conditioner installation hole (not shown) formed in the wall 2000, so that the first end 111 extends to the outdoor side through the wall 2000, the local second pipeline 21 is inserted into the first pipeline 11, the local third pipeline 31 is inserted into the second pipeline 21, and the local fourth pipeline 41 is inserted into the first pipeline 11, so that all the pipe sections of the air conditioning pipeline system 100 that need to be wall-inserted can be inserted through the wall 2000 at one time, the wall-inserting process is completed, the connection pipeline 12 is connected between the indoor unit 300 and the second hole 1120, and the fifth pipeline 22 is connected between the outdoor unit 200 and one of the first through holes 2110, The sixth pipeline 23 is connected between the indoor unit 300 and one of the second through holes 2120, the seventh pipeline 32 is connected between the outdoor unit 200 and the third pipeline 31, and the eighth pipeline 33 is connected between the indoor unit 300 and the third pipeline 31, so that the installation can be completed, the whole installation process is simple and convenient, and trouble is saved, and the fresh air conditioning device 1000 can adapt to a more complex installation environment of the wall 2000 just because of the high integration of the air conditioning pipeline system 100.

Example two

Referring to fig. 9, 10 and 12, the present embodiment is different from the first embodiment in that two first through holes 2110 and two second through holes 2120 are formed in the second pipe 21 at different positions. In the first embodiment, two first through holes 2110 are formed in the end surface of the third end portion 211, and two second through holes 2120 are formed in the end surface of the fourth end portion 212. In this embodiment, two first through holes 2110 are formed in the end surface of the third end portion 211, one second through hole 2120 is formed in the end surface of the fourth end portion 212, and the other second through hole 2120 is formed in the side wall of the second duct 21 close to the fourth end portion 212.

In addition to the above differences, other structures of the air conditioning pipeline system 100 and the second fresh air conditioning device 1000 provided in this embodiment can be optimally designed with reference to the first embodiment, and will not be described in detail herein.

EXAMPLE III

Referring to fig. 9, 10 and 13, the present embodiment is different from the first embodiment in that two first through holes 2110 and two second through holes 2120 are formed in the second pipe 21 at different positions. In the first embodiment, two first through holes 2110 are formed in the end surface of the third end portion 211, and two second through holes 2120 are formed in the end surface of the fourth end portion 212. In this embodiment, two first through holes 2110 are formed in the end surface of the third end portion 211, and two second through holes 2120 are formed in the side wall of the second pipe 21 near the fourth end portion 212.

In addition to the above differences, other structures of the air conditioning pipeline system 100 and the second fresh air conditioning device 1000 provided in this embodiment can be optimally designed with reference to the first embodiment, and will not be described in detail herein.

Example four

The difference between this embodiment and the first embodiment or the second embodiment or the third embodiment is mainly that the two second holes 1120 on the second end 112 of the first pipe 11 are opened at different positions. In the first embodiment, the second embodiment, or the third embodiment, one of the second holes 1120 is provided in the end surface of the second end portion 112, the other second hole 1120 is provided in the side wall surface of the second end portion 112, and the two second holes 1120 are independent of each other. In this embodiment, there is only one second hole 1120, and the second hole 1120 is located on the end surface or the side wall surface of the second end portion 112, that is, a part of the second hole 1120 is used for penetrating out of the second pipe 21 and a part is used for connecting the connecting pipe 12.

In addition to the above differences, other structures of the air conditioning pipeline system 100 and the second fresh air conditioning device 1000 provided in this embodiment can be optimally designed with reference to the first embodiment, the second embodiment, or the third embodiment, and will not be described in detail herein.

EXAMPLE five

Referring to fig. 1, 3 and 14, the difference between the present embodiment and any one of the first embodiment, the second embodiment, the third embodiment and the fourth embodiment mainly lies in the structure of the first pipeline 11 and the position of the fourth pipeline 41 disposed on the first pipeline 11. In any one of the first to fourth embodiments, the first pipe 11 is provided with an installation groove 110, a partial fourth pipe 41 is disposed on the installation groove 110, and the fourth pipe 41 is embedded on the first pipe 11. In this embodiment, the first pipe 11 is not provided with the installation groove 110, and a part of the fourth pipe 41 is inserted into the first pipe 11, so that the fourth pipe 41 can only be inserted into or taken out of the first pipe 11 through the first hole 1110 or the second hole 1120.

In addition to the above differences, other structures of the air conditioning pipeline system 100 and the second fresh air conditioning device 1000 provided in this embodiment can be optimally designed with reference to any one of the first to fourth embodiments, and will not be described in detail herein.

EXAMPLE six

Referring to fig. 14 and fig. 15, the difference between the present embodiment and the fifth embodiment is mainly the structure difference between the fourth pipeline 41 and the first pipeline 11. In the fifth embodiment, the fourth pipeline 41 is inserted into the first pipeline 11 from the first hole 1110 or the second hole 1120, the first pipeline 11 and the fourth pipeline 41 are separately arranged pipeline structures, and in the present embodiment, the fourth pipeline 41 is integrated on the inner wall surface of the first pipeline 11, that is, the fourth pipeline 41 is integrated with the pipeline structure of the first pipeline 11, and the outer wall surface of the fourth pipeline 41 is attached to the first pipeline 11 on the inner wall surface of the first pipeline 11, so that the fourth pipeline 41 and the first pipeline 11 cannot be detached.

In addition to the above differences, other structures of the air conditioning pipeline system 100 and the fresh air conditioning device 1000 provided in this embodiment can be optimally designed with reference to the fifth embodiment, and will not be described in detail herein.

EXAMPLE seven

Referring to fig. 15 and 16, the difference between the present embodiment and the sixth embodiment is mainly the structure difference between the first pipeline 11 and the fourth pipeline 41. In the sixth embodiment, the fourth pipeline 41 and the first pipeline 11 are an integrated pipeline structure, and the outer wall surface of the fourth pipeline 41 is attached to the inner wall surface of the first pipeline 11, and in the present embodiment, a partition board is provided in the first pipeline 11, and the partition board divides the fresh air channel of the first pipeline 11 into two channels along the axial direction of the first pipeline 11, wherein one channel is used for penetrating the second pipeline 21, and the other channel is the fourth pipeline 41 of the drainage pipeline 4.

In addition to the above differences, other structures of the air conditioning pipeline system 100 and the fresh air conditioning device 1000 provided in this embodiment can be optimally designed with reference to the sixth embodiment, and will not be described in detail herein.

Example eight

Referring to fig. 1, fig. 3 and fig. 17, the present embodiment is different from the first embodiment in that the second duct 21 is disposed at a different position of the first duct 11. In the first embodiment, the partial second pipe 21 is inserted into the first pipe 11, and the first end 111 is inserted out of the first pipe 11 from the first hole 1110, and the second end 112 is inserted out of the first pipe 11 from the second hole 1120. In this embodiment, the local second pipeline 21 and the local fourth pipeline 41 are installed on the installation groove 110 side by side, the second pipeline 21 is close to the bottom wall side of the installation groove 110, the fourth pipeline 41 is close to the notch side of the installation groove 110, both the fourth pipeline 41 and the second pipeline 21 can be installed in the installation groove 110 from the notch of the installation groove 110 so as to be installed on the first pipeline 11 in a penetrating manner, or both the fourth pipeline 41 and the second pipeline 21 can be detached from the notch of the installation groove 110 so as to be separated from the first pipeline 11. In this embodiment, neither the fourth pipe 41 nor the second pipe 21 needs to be attached to or detached from the first pipe 11 through the first hole 1110 or the second hole 1120.

In addition to the above differences, other structures of the air conditioning pipeline system 100 and the second fresh air conditioning device 1000 provided in this embodiment can be optimally designed with reference to the first embodiment, and will not be described in detail herein.

The above is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive various equivalent modifications or substitutions within the technical scope of the present invention, and these modifications or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (11)

1. Air conditioner pipe-line system connects between air conditioner's indoor set and off-premises station, its characterized in that: the air conditioner pipeline system comprises a fresh air pipeline, a first pipeline, a second pipeline and a drainage pipeline;

the fresh air duct includes a first duct having a first end and a second end disposed opposite the first end;

the first pipeline comprises a second pipeline which is partially arranged in the first pipeline in a penetrating mode, the second pipeline is provided with a third end portion and a fourth end portion arranged opposite to the third end portion, the third end portion penetrates out of the first pipeline from the first end portion, and the fourth end portion penetrates out of the first pipeline from the second end portion;

the second pipeline comprises a third pipeline which is partially arranged in the second pipeline in a penetrating mode, one end of the third pipeline penetrates out of the second pipeline from the third end portion, and the other end of the third pipeline penetrates out of the second pipeline from the fourth end portion;

the drainage pipeline comprises a fourth pipeline, the fourth pipeline is arranged in the first pipeline in a penetrating mode, one end of the fourth pipeline penetrates out of the first end portion of the first pipeline, and the other end of the fourth pipeline penetrates out of the second end portion of the first pipeline.

2. The air conditioning duct system of claim 1, wherein: the first end part is provided with a first hole, the second end part is provided with a second hole, the third end part penetrates out of the first pipeline from the first hole, and the fourth end part penetrates out of the first pipeline from the second hole; one end of the fourth pipeline penetrates out of the first pipeline from the end face of the first end part.

3. The air conditioning duct system of claim 2, wherein: the first hole is arranged on the end face of the first end portion, the fresh air pipeline further comprises two connecting pipelines, one of the two second holes is used for communicating the first pipeline with the connecting pipelines, and the other second hole is used for penetrating through the fourth end portion.

4. An air conditioning ducting system as claimed in claim 3 wherein: the third end part is provided with two first through holes, and the fourth end part is provided with two second through holes;

one end of the third pipeline penetrates out of the second pipeline from one of the first through holes, and the other end of the third pipeline penetrates out of the second pipeline from one of the second through holes.

5. The air conditioning duct system of claim 4, wherein: the two first through holes are arranged on the end surface of the third end part; the two second through holes are formed in the end face of the fourth end part;

or the two first through holes are formed in the end face of the third end part; one of the second through holes is formed in the end face of the fourth end portion, and the other of the second through holes is formed in the side wall of the fourth end portion;

or, the two first through holes are arranged on the end surface of the third end part; and the two second through holes are formed in the side wall of the fourth end part.

6. Air conditioning duct system according to any of claims 1 to 5, characterized in that: the first pipeline further comprises a fifth pipeline and a sixth pipeline, the fifth pipeline is connected with the second pipeline at the first end, and the sixth pipeline is connected with the second pipeline at the second end.

7. Air conditioning duct system according to any of claims 1 to 5, characterized in that: the third pipeline is arranged in the second pipeline in a penetrating mode and is a straight pipe or a bent pipe or a pipe which is straight in part and bent in part.

8. Air conditioning duct system according to any of claims 2 to 5, characterized in that: and the first hole upper cover is provided with a protective net for preventing foreign matters from entering the fresh air pipeline.

9. Air conditioning duct system according to any of claims 1 to 5, characterized in that: the first pipeline is equipped with and is used for the installation the mounting groove of fourth pipeline, the mounting groove along the axial of first pipeline is located on the wall body of first pipeline, just the notch of mounting groove is located on the outer wall surface of first pipeline, the tank bottom wall of mounting groove is located in the first pipeline.

10. Fresh air conditioning equipment, its characterized in that: comprising an outdoor unit, an indoor unit and the air conditioning duct system of any one of claims 1 to 9;

part of the first pipeline penetrates through the wall body, the first end part is arranged on the outdoor side, and the second end part is arranged on the indoor side; one end of the first pipeline is connected with the outdoor unit, and the other end of the first pipeline is connected with the indoor unit; one end of the second pipeline is connected with the outdoor unit, and the other end of the second pipeline is connected with the indoor unit;

the end part of the drainage pipeline positioned indoors is connected with the indoor unit so as to discharge water generated by the indoor unit outdoors.

11. The fresh air conditioning device as claimed in claim 10, wherein: the first pipeline further comprises a second pipeline, a fifth pipeline and a sixth pipeline, one end of the fifth pipeline is connected with the outdoor unit, the other end of the fifth pipeline is connected with the second pipeline, one end of the sixth pipeline is connected with the indoor unit, and the other end of the sixth pipeline is connected with the second pipeline;

the second pipeline further comprises a seventh pipeline and an eighth pipeline; one end of the seventh pipeline is connected with the outdoor unit, the other end of the seventh pipeline is communicated with the third pipeline, one end of the eighth pipeline is communicated with the indoor unit, and the other end of the eighth pipeline is communicated with the third pipeline; the first pipeline is used for passing gaseous refrigerants, and the second pipeline is used for passing liquid refrigerants.

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