WO2022227372A1

WO2022227372A1 - Branch pipe assembly for air conditioner and air conditioner

Info

Publication number: WO2022227372A1
Application number: PCT/CN2021/118319
Authority: WO
Inventors: 张铁钢; 王命仁; 崔渊博; 劳同炳
Original assignee: 广东美的暖通设备有限公司; 合肥美的暖通设备有限公司
Priority date: 2021-04-30
Filing date: 2021-09-14
Publication date: 2022-11-03
Also published as: CN215373052U

Abstract

A branch pipe assembly (100) for an air conditioner and an air conditioner having same, the branch pipe assembly (100) comprising a branch pipe tee (110), wherein a flow diversion cavity (111) inside the branch pipe tee (110) is internally provided with a filter (112). The filter (112) is provided in the branch pipe tee (110), such that the branch pipe assembly (100) has the dual functions of flow diversion and filtering of a refrigerant, an extra filter does not need to be connected thereto, no connection position is added, and welding spots, assembly processes and the amount of parts are reduced, thereby saving costs.

Description

Branch pipe assembly for air conditioner and air conditioner

CROSS-REFERENCE TO RELATED APPLICATIONS

This application claims the priority and rights of the Chinese patent application with the application number of 202120938510.9 and the filing date of April 30, 2021. The entire contents of the above Chinese patent application are hereby incorporated by reference into this application.

technical field

The present application relates to the technical field of air conditioner manufacturing, and in particular, to a branch pipe assembly for an air conditioner and an air conditioner having the same.

Background technique

In the air conditioning and refrigeration system, the branch pipe assembly is used for the parallel connection of the internal and external units to realize the diversion of the refrigerant. The branch pipe assembly in the related art is generally made of copper pipe and copper Y-shaped tee, and a filter is connected and installed on the copper pipe to filter the circulating refrigerant. However, due to the high price of copper materials, and installing the filter element on the copper pipe will lead to many connection points in the pipeline, the installation is difficult and the cost is high. Therefore, the manufacture of the branch pipe assembly in the related art requires both high material cost and high labor cost.

SUMMARY OF THE INVENTION

The present application aims to solve one of the technical problems in the related art at least to a certain extent.

To this end, the present application proposes a branch pipe assembly for an air conditioner that has a compact structure and integrates the dual functions of refrigerant distribution and filtration.

The present application also proposes an air conditioner with a small number of parts and components, few connection points and low cost.

The branch pipe assembly for an air conditioner provided by the present application includes: a branch pipe tee, wherein a branch cavity is defined in the branch pipe tee, a filter is arranged in the branch cavity, and the branch pipe tee includes a connection with the branch cavity. a communicating inlet, a first outlet and a second outlet, the inlet is located on one side of the filter, the first outlet and the second outlet are both located on the other side of the filter; the main pipe, the A main pipe communicates with the inlet; a first branch pipe communicates with the first outlet; and a second branch pipe communicates with the second outlet.

In the branch pipe assembly provided by the present application, the filter is arranged in the branch pipe tee, so that the branch pipe assembly integrates the dual functions of refrigerant distribution and filtration. Those skilled in the art can understand that the installation of the filter in the related art needs to cut the copper pipe, and set the connection points with the copper pipe both upstream and downstream of the filter. The copper pipes are connected by welding. Therefore, the installation of the filter in the related art directly leads to an increase in the number of solder joints in the refrigerant passage of the air conditioner, which leads to higher operational difficulty and higher manufacturing costs. Compared with the related art, the branch pipe assembly provided by the embodiment of the present application does not need to increase the connection point when it is applied in the air conditioner, that is, because the branch pipe assembly provided by the embodiment of the present application has both the function of diverting the refrigerant, and has the function of distributing the refrigerant. With regard to the filtering function, when the branch pipe assembly provided by the embodiments of the present application is connected to the air conditioner, there is no need to connect the filter additionally, thereby reducing the number of solder joints, the assembly process, the number of parts, and the cost.

Therefore, the branch pipe assembly provided by the present application has the advantages of compact structure and combining the dual functions of refrigerant distribution and filtering.

Optionally, the branch pipe tee is a steel branch pipe tee.

Optionally, the air-conditioning branch pipe assembly further comprises: a first copper pipe, two ends of the first copper pipe are respectively connected to the inlet and the main pipe; a second copper pipe, both ends of the second copper pipe The first outlet and the first branch pipe are respectively connected; and a third copper pipe, two ends of the third copper pipe are respectively connected to the second outlet and the second branch pipe.

Optionally, the main pipe, the first branch pipe and the second branch pipe are all made of copper, one end of the first copper pipe extends into the inlet, and the other side of the first copper pipe extends into the inlet. One end is sleeved on the main pipe, one end of the second copper pipe extends into the first outlet, the other end of the second copper pipe is sleeved on the first branch pipe, and the third copper pipe is sleeved on the first branch pipe. One end of the copper pipe extends into the second outlet, and the other end of the third copper pipe is sleeved on the second branch pipe.

Optionally, the other end of the first copper tube, the other end of the second copper tube, and the other end of the third copper tube are all flared structures.

Optionally, the main pipe, the first branch pipe and the second branch pipe are all made of steel, the main pipe is connected with a first copper sleeve, and the first branch pipe is connected with a second copper sleeve, The second branch pipe is connected with a third copper sleeve, the first copper pipe is connected to the first copper sleeve, the second copper pipe is connected to the second copper sleeve, and the third copper sleeve The tube is connected with the third copper sleeve.

Optionally, the first copper sleeves are all sleeved on the main pipe, the second copper sleeves are all sleeved on the first branch pipe, and the third copper sleeves are all sleeved on the first branch pipe. On the two branch pipes, the first copper pipe is sleeved on the first copper sleeve, the second copper pipe is sleeved on the second copper sleeve, and the third copper pipe is sleeved on the second copper sleeve On the third copper sleeve.

Optionally, the first branch pipe is a straight pipe, and the second branch pipe is a curved pipe.

Optionally, both the first branch pipe and the second branch pipe are reduced diameter pipes.

The air conditioner provided by the present application includes the above-mentioned branch pipe assembly for air conditioning.

Description of drawings

FIG. 1 is a schematic structural diagram of a branch pipe assembly according to Embodiment 1 of the present application.

FIG. 2 is a bottom view of FIG. 1 .

FIG. 3 is a schematic structural diagram of a branch pipe assembly according to Embodiment 2 of the present application.

Reference number:

Branch pipe assembly 100; branch pipe tee 110; shunt chamber 111; filter 112; inlet end 113; inlet 1131; first outlet end 114; first outlet 1141; second outlet end 115; second outlet 1151; ; first branch pipe 130; second branch pipe 140; first copper pipe 150; first end 151; second end 152; second copper pipe 160; third end 161; fourth end 162; Three copper pipes 170; fifth end 171; sixth end 172.

Detailed ways

Embodiments of the present application are described in detail below, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary, and are intended to be used to explain the present application, but should not be construed as a limitation to the present application.

The branch pipe assembly 100 for an air conditioner according to an embodiment of the present application will be described below with reference to FIGS. 1 to 3 .

The branch pipe assembly 100 includes a branch pipe tee 110 , a main pipe 120 , a first branch pipe 130 and a second branch pipe 140 .

A shunt cavity 111 is defined in the branch pipe tee 110 , and a filter 112 is arranged in the shunt cavity 111 . The branch pipe tee 110 includes an inlet end 113 , a first outlet end 114 and a second outlet end 115 . The inlet end 113 is provided with an inlet 1131 , the first outlet end 114 is provided with a first outlet 1141 , and the second outlet end 115 is provided with a second outlet 1151 . The inlet 1131 , the first outlet 1141 and the second outlet 1151 are all communicated with the flow dividing chamber 111 .

The inlet 1131 is located on one side of the filter 112 , and the first outlet 1141 and the second outlet 1151 are located on the other side of the filter 112 . It can be understood that one side of the filter 112 is the side of the refrigerant waiting to be filtered, and the other side of the filter 112 is the side of the refrigerant after filtration, that is, the refrigerant moves from one side of the filter 112 to the other. One side flows, and the refrigerant is filtered by the filter 112 during this process.

The main pipe 120 communicates with the inlet 1131 . The first branch pipe 130 communicates with the first outlet 1141 . The second branch pipe 140 communicates with the second outlet 1151 .

The function of the branch pipe assembly 100 provided in the embodiment of the present application is described below. The refrigerant in the main pipe 120 can enter the shunt chamber 111 from the inlet 1131, and the unfiltered refrigerant is located on one side of the filter 112 in the shunt chamber 111. The refrigerant flows from one side of the filter 112 to the other side so that the filter 112 completes the filtration of the refrigerant, and the filtered refrigerant can flow into the first branch pipe 130 from the first outlet 1141, or can also flow from the second outlet 1141 to the first branch pipe 130. The outlet 1151 flows into the second branch pipe 140, thereby realizing the diversion of the refrigerant.

According to the branch pipe assembly provided by the present application, the filter is arranged in the branch pipe tee, so that the branch pipe assembly combines the dual functions of refrigerant distribution and filtration. Those skilled in the art can understand that the installation of the filter in the related art needs to cut the copper pipe, and set the connection points with the copper pipe both upstream and downstream of the filter. The copper pipes are connected by welding. Therefore, the installation of the filter in the related art directly leads to an increase in the number of solder joints in the refrigerant passage of the air conditioner, which leads to higher operational difficulty and higher manufacturing costs. Compared with the related art, the branch pipe assembly provided by the embodiment of the present application does not need to increase the connection point when it is applied in the air conditioner, that is, because the branch pipe assembly provided by the embodiment of the present application has both the function of shunting the refrigerant, and has the function of distributing the refrigerant. With regard to the filtering function, when the branch pipe assembly provided by the embodiment of the present application is connected to the air conditioner, there is no need to additionally connect the filter, thereby reducing the number of solder joints, the assembly process, the number of parts, and the cost.

Therefore, the branch pipe assembly provided by the embodiments of the present application has the advantages of compact structure, and the dual functions of refrigerant diversion and filtration are integrated.

In addition, the embodiments of the present application also provide an air conditioner including the branch pipe assembly provided in the above embodiments, and the air conditioner has the advantages of fewer parts, fewer connection points, and lower cost.

In some embodiments, the branch pipe tee 110 is a steel branch pipe tee 110 . Optionally, the branch tee 110 is made of alloy steel. Compared with the common copper branch pipe tee 110, the branch pipe tee 110 made of alloy steel has higher structural strength and lower cost. In addition, the copper branch pipe tee 110 is usually cast, while the steel branch pipe tee 110 can be press-formed, and the volume of the branch pipe tee 110 is kept smaller, so the structure is also more compact.

Several specific embodiments provided by the present application will be described in detail below by taking FIG. 1 to FIG. 3 as examples.

Example 1:

The following describes the branch pipe assembly 100 for an air conditioner provided by the present application by taking FIGS. 1 and 2 as examples. As shown in FIG. 1 , the branch pipe assembly 100 includes a branch pipe tee 110 , a main pipe 120 , a first branch pipe 130 and a second branch pipe 140 . Among them, the branch pipe tee 110 is made of alloy steel. The main pipe 120 , the first branch pipe 130 and the second branch pipe 140 are also made of alloy steel, that is, the main pipe 120 , the first branch pipe 130 and the second branch pipe 140 are all steel pipes .

As shown in FIG. 1 , the inlet end 113 of the branch tee 110 is located at its upper end, the first outlet end 114 and the second outlet end 115 are both located at its lower end and are opposite to the inlet end 113 . A filter 112 is provided inside, the part of the shunt cavity 111 above the filter 112 is the flow space of the unfiltered refrigerant, and the part of the shunt cavity 111 below the filter 112 is the flow space of the filtered refrigerant, The refrigerant flows from top to bottom to achieve filtration.

As shown in FIG. 1 , the inlet end 113 of the branch pipe tee 110 is sleeved on the main pipe 120 , the first outlet end 114 is sleeved on the first branch pipe 130 , and the second outlet end 115 is sleeved on the second branch pipe 140 superior. The branch pipe tee 110 and the main pipe 120, the branch pipe tee 110 and the first branch pipe 130, and the branch pipe tee 110 and the second branch pipe 140 are all welded, that is, the branch pipe tee 110 and the main pipe 120, the branch pipe The tee 110 and the first branch pipe 130 and the branch pipe tee 110 and the second branch pipe 140 are welded between steel materials. Optionally, welding is performed using laser welding or brazing.

It can be understood that, in other embodiments, the main pipe 120 , the first branch pipe 130 and the second branch pipe 140 may be made of copper, that is, the main pipe 120 , the first branch pipe 130 and the second branch pipe 140 The two branch pipes 140 are both copper pipes. Optionally, in these embodiments, furnace brazing is used between the branch pipe tee 110 and the main pipe 120 , the branch pipe tee 110 and the first branch pipe 130 , and the branch pipe tee 110 and the second branch pipe 140 . Weld.

Preferably, as shown in FIG. 1 , the main pipe 120 , the first branch pipe 130 and the second branch pipe 140 are all reduced-diameter pipes, so as to facilitate connection with other pipelines of different pipe diameters.

Further, the first branch pipe 130 is a straight pipe, and the second branch pipe 140 is a curved pipe.

In the branch pipe assembly 100 provided in this embodiment, the filter 112 is disposed in the branch pipe tee 110 , and the branch pipe assembly 100 integrates the dual functions of refrigerant distribution and filtration. When the branch pipe assembly 100 provided by the embodiment is applied in an air conditioner, there is no need to additionally connect a filter, thereby reducing the number of welding points, the assembly process, the number of parts, and the cost. Therefore, the branch pipe assembly 100 provided in this embodiment has the advantages of compact structure, and integration of dual functions of refrigerant distribution and filtering.

Embodiment 2:

The following describes the branch pipe assembly 100 for an air conditioner provided by the present application by taking FIG. 3 as an example. The branch pipe assembly 100 in this embodiment is similar to that of the first embodiment, and the branch pipe tee 110 is made of alloy steel. The difference is that in this embodiment, the main pipe 120 , the first branch pipe 130 and the second branch pipe 140 are all made of copper, that is, the main pipe 120 , the first branch pipe 130 and the second branch pipe 140 are all made of copper. The two branch pipes 140 are both copper pipes.

The branch pipe assembly 100 provided by the present application further includes a first copper pipe 150 , a second copper pipe 160 and a third copper pipe 170 . The first copper pipe 150 includes a first end portion 151 and a second end portion 152, wherein the first end portion 151 is connected with the inlet end 113 of the branch pipe tee 110, and the second end portion 152 is connected with the main pipe 120, so that the The main pipe 120 is connected with the branch pipe tee 110 and is connected with the inlet 1131 . The second copper pipe 160 includes a third end portion 161 and a fourth end portion 162 , wherein the third end portion 161 is connected to the first outlet end 114 of the branch pipe tee 110 , and the fourth end portion 162 is connected to the first branch pipe 130 , so that the first branch pipe 130 is connected with the branch pipe tee 110 and communicated with the first outlet 1141 . The third copper pipe 170 includes a fifth end portion 171 and a sixth end portion 172 , wherein the fifth end portion 171 is connected with the second outlet end 115 of the branch pipe tee 110 , and the sixth end portion 172 is connected with the second branch pipe 140 , so that the second branch pipe 140 is connected with the branch pipe tee 110 and communicated with the second outlet 1151 .

When manufacturing the branch pipe assembly 100 in this embodiment, the first copper pipe 150 , the second copper pipe 160 and the third copper pipe 170 can be pre-welded with the branch pipe tee 110 , and then the main pipe 120 , the first branch pipe 120 and the first branch pipe 110 can be pre-welded. The pipe 130 and the second branch pipe 140 are welded with the first copper pipe 150, the second copper pipe 160 and the third copper pipe 170, respectively. Optionally, furnace brazing is used between the first copper pipe 150 , the second copper pipe 160 and the third copper pipe 170 and the branch pipe tee 110 . The main pipe 120 and the first copper pipe 150 , the first branch pipe 130 and the second copper pipe 160 and the second branch pipe 140 can all be welded by manual flame welding. During after-sales maintenance of the branch pipe assembly 100 , manual flame welding equipment may be used to disconnect between the main pipe 120 and the first copper pipe 150 , the first branch pipe 130 and the second copper pipe 160 or the second branch pipe 140 . Manual flame welding equipment is relatively light and easy to carry to after-sales installation and maintenance sites of air conditioners, such as high-rise buildings. Therefore, the use of the branch pipe assembly 100 provided in the embodiment of the present application in the air conditioner facilitates the after-sale maintenance of the air conditioner.

Further, as shown in FIG. 3 , the inlet end 113 of the branch pipe tee 110 is sleeved on the first end 151 of the first copper pipe 150 , and the second end of the first copper pipe 150 152 is set on the main pipe 120. The first outlet end 114 of the branch pipe tee 110 is sleeved on the third end portion 161 of the second copper pipe 160, and the fourth end portion 162 of the second copper pipe 160 is sleeved on the third end portion 162. a branch pipe 130. The second outlet end 115 of the branch pipe tee 110 is sleeved on the fifth end 171 of the third copper pipe 170 , and the sixth end 172 of the third copper pipe 170 is sleeved on the first on the two branch pipes 140 .

Preferably, the second end portion 152 of the first copper pipe 150 , the fourth end portion 162 of the second copper pipe 160 and the sixth end portion 172 of the third copper pipe 170 are all flared structures. The second end portion 152 of the first copper pipe 150 , the fourth end portion 162 of the second copper pipe 160 and the sixth end portion 172 of the third copper pipe 170 have a flared structure, so as to facilitate the first copper pipe 150 is sleeved on the main pipe 120, the second copper pipe 160 is sleeved on the first branch pipe 130, and the third copper pipe 170 is sleeved on the second branch pipe 140, so that the main pipe 120 and the first branch pipe can be avoided. 130 and the second branch pipe 140 are constricted, so that the problem of increased flow resistance in the branch pipe assembly 100 caused by the constriction can be avoided.

Embodiment three:

The branch pipe assembly 100 in this embodiment is similar to that of the second embodiment, and the branch pipe tee 110 is made of alloy steel. The difference is that the main pipe 120, the first branch pipe 130 and the second branch pipe 140 are also made of alloy steel, that is, the main pipe 120, the first branch pipe 130 and the second branch pipe 140 are steel pipes.

The branch pipe assembly 100 provided by the present application further includes a first copper sleeve, a second copper sleeve and a third copper sleeve. The first copper sleeve is connected to the end of the main pipe 120 , and the first copper pipe 150 is connected to the first copper sleeve, so that the branch pipe tee 110 is connected to the main pipe 120 through the first copper pipe 150 and the first copper sleeve. The second copper sleeve is connected to the first branch pipe 130, and the second copper pipe 160 is connected to the second copper sleeve, so that the branch pipe tee 110 is connected to the first branch pipe through the second copper pipe 160 and the second copper sleeve 130 connected. The third copper sleeve is connected to the second branch pipe 140, and the third copper pipe 170 is connected to the third copper sleeve, so that the branch pipe tee 110 is connected to the second branch pipe through the third copper pipe 170 and the third copper sleeve 140 connected.

Optionally, when manufacturing the branch pipe assembly 100 in this embodiment, the first copper pipe 150 , the second copper pipe 160 and the third copper pipe 170 may be pre-welded with the branch pipe tee 110 , and the main pipe 120 may be pre-welded. The first copper sleeve, the first branch pipe 130 and the second copper sleeve, and the second branch pipe 140 and the third copper sleeve are pre-welded, optionally, brazing in a furnace. Then, the first copper tube 150 and the first copper sleeve, the second copper tube 160 and the second copper sleeve, and the third copper tube 170 and the third copper sleeve are welded, optionally by manual flame welding. During after-sales maintenance of the branch pipe assembly 100, manual flame welding equipment can be used to make the first copper pipe 150 and the first copper sleeve, the second copper pipe 160 and the second copper sleeve, and the third copper pipe 170 and the third copper pipe disconnect between sets. Since the manual flame welding equipment is relatively light and convenient, the use of the branch pipe assembly 100 provided by the embodiment of the present application in the air conditioner is convenient for after-sales maintenance of the air conditioner.

It can be understood that, although the branch pipe tee 110 , the main pipe 120 , the first branch pipe 130 and the second branch pipe 140 are all made of steel in this embodiment, there is no steel material in the branch pipe assembly 100 . Direct connection between steel materials. This is because the welding between steel materials usually requires the use of silver-containing solder, and the cost of silver-containing solder is relatively high, which is not suitable for commercialization. In this embodiment, phosphor bronze solder can be used to weld between the first copper tube 150 and the first copper sleeve, the second copper tube 160 and the second copper sleeve, and the third copper tube 170 and the third copper sleeve. Together. Phosphor copper solder has good fluidity, low price and excellent process performance. Therefore, the branch pipe assembly 100 provided in this embodiment reduces the manufacturing cost, which is beneficial to the promotion of commercial applications.

Further, the first copper sleeves are all sleeved on the main pipe 120, the second copper sleeves are all sleeved on the first branch pipes 130, and the third copper sleeves are all sleeved on the second branch tube 140. The second end 152 of the first copper tube 150 is sleeved on at least a part of the first copper sleeve, the fourth end 162 of the second copper tube 160 is sleeved on at least a part of the second copper sleeve, and the third The sixth end 172 of the copper tube 170 is sleeved on at least a part of the third copper sleeve.

Optionally, the second end 152 of the first copper pipe 150 is sleeved on a part of the first copper sleeve, and the fourth end 162 of the second copper pipe 160 is sleeved on a part of the second copper sleeve, The sixth end 172 of the third copper tube 170 is sleeved on a part of the third copper sleeve. This arrangement is beneficial to avoid the problem that the main pipe 120 is overheated by the flame when the first copper tube 150 and the first copper sleeve are welded together by flame welding, which leads to the decrease of its strength. A branch pipe 130 and the second branch pipe 140 are overheated by the flame, resulting in a problem that the strength of the branch pipe 130 decreases.

Optionally, the part of the first copper sleeve that protrudes from the second end 152 of the first copper pipe 150 (ie the part of the first copper sleeve that is not sleeved by the first copper pipe 150 ) extends thereon The length in the direction is 5 mm or more and 30 mm or less. The length of the portion of the second copper sleeve protruding from the fourth end 162 of the second copper pipe 160 in the extending direction thereof is greater than or equal to 5 mm and less than or equal to 30 mm. The length of the portion of the third copper sleeve protruding from the sixth end portion 172 of the third copper pipe 170 in the extending direction thereof is greater than or equal to 5 mm and less than or equal to 30 mm.

Optionally, the second end 152 of the first copper tube 150 , the fourth end 162 of the second copper tube 160 and the sixth end 172 of the third copper tube 170 are all flared structures.

When the branch pipe assembly 100 provided in this embodiment is subjected to a bending load, since the first copper sleeve is completely sleeved on the main pipe 120 , the second copper sleeve is completely sleeved on the first branch pipe 130 and the third copper sleeve It is completely sleeved on the second branch pipe 140, so the first copper pipe 150, the second copper pipe 160 and the third copper pipe 170 need to bear the bending load independently. Therefore, preferably, the first copper pipe 150 , the second copper pipe 160 and the third copper pipe 170 need to be thicker to ensure the structural strength of the branch pipe assembly 100 .

Optionally, the thicknesses of the first copper tube 150, the second copper tube 160 and the third copper tube 170 are t1, 0.5mm≤t1≤2.0mm, the first copper sleeve, the second copper sleeve and the third copper sleeve The thickness of the sleeve is t2, 0.3mm≤t2≤1.2mm.

It should be understood that the optional solutions regarding the size provided in the embodiments of the present application are only used for examples, and the embodiments of the technical solutions of the present application are not limited to the size ranges exemplified above.

In the description of this application, 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, The orientations or positional relationships indicated by "radial direction", "circumferential direction", etc. are based on the orientations or positional relationships shown in the accompanying drawings, which are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying the indicated devices or elements. It must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as a limitation of the present application.

In addition, the terms "first" and "second" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature delimited with "first", "second" may expressly or implicitly include at least one of that feature. In the description of the present application, "plurality" means at least two, such as two, three, etc., unless expressly and specifically defined otherwise.

In this application, unless otherwise expressly specified and limited, the terms "installed", "connected", "connected", "fixed" and other terms should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection , or integrated; it can be a mechanical connection or an electrical connection or can communicate with each other; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two components or the interaction relationship between the two components, unless otherwise expressly qualified. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific situations.

In this application, unless otherwise expressly stated and defined, a first feature "on" or "under" a second feature may be in direct contact with the first and second features, or the first and second features indirectly through an intermediary touch. Also, the first feature being "above", "over" and "above" the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is level higher than the second feature. The first feature being "below", "below" and "below" the second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature has a lower level than the second feature.

In this application, the terms "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., mean the specific features, structures, materials, or characteristics described in connection with the embodiment or example. Features are included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, those skilled in the art may combine and combine the different embodiments or examples described in this specification, as well as the features of the different embodiments or examples, without conflicting each other.

Although the embodiments of the present application have been shown and described above, it should be understood that the above embodiments are exemplary and should not be construed as limitations to the present application. Embodiments are subject to variations, modifications, substitutions and variations.

Claims

A branch pipe assembly for air conditioning, characterized in that it includes:

a branch pipe tee, the branch pipe tee is provided with a shunt cavity, a filter is arranged in the shunt cavity, and the branch pipe tee includes an inlet, a first outlet and a second outlet communicated with the shunt cavity, The inlet is located on one side of the filter, and both the first outlet and the second outlet are located on the other side of the filter;

a main pipe in communication with the inlet;

a first branch pipe in communication with the first outlet; and

A second branch pipe, the second branch pipe communicates with the second outlet.
The branch pipe assembly for air conditioning according to claim 1, wherein the branch pipe tee is a steel branch pipe tee.
The air-conditioning branch pipe assembly according to claim 2, further comprising:

a first copper pipe, two ends of the first copper pipe are respectively connected to the inlet and the main pipe;

a second copper pipe, the two ends of the second copper pipe are respectively connected to the first outlet and the first branch pipe; and

A third copper pipe, two ends of the third copper pipe are respectively connected to the second outlet and the second branch pipe.
The branch pipe assembly for air conditioning according to claim 3, wherein the main pipe, the first branch pipe and the second branch pipe are all made of copper, and one end of the first copper pipe extends into the In the inlet, the other end of the first copper pipe is sleeved on the main pipe, one end of the second copper pipe extends into the first outlet, and the other end of the second copper pipe is sleeved On the first branch pipe, one end of the third copper pipe extends into the second outlet, and the other end of the third copper pipe is sleeved on the second branch pipe.
The branch pipe assembly for air conditioning according to claim 4, wherein the other end of the first copper pipe, the other end of the second copper pipe, and the other end of the third copper pipe The other end is a flared structure.
The branch pipe assembly for air conditioning according to claim 3, wherein the main pipe, the first branch pipe and the second branch pipe are all made of steel, and the main pipe is connected with a first copper sleeve, The first branch pipe is connected with a second copper sleeve, the second branch pipe is connected with a third copper sleeve, the first copper pipe is connected with the first copper sleeve, and the second copper pipe is connected with the first copper sleeve. The second copper sleeve is connected, and the third copper tube is connected to the third copper sleeve through.
The branch pipe assembly for air conditioning according to claim 6, wherein the first copper sleeves are all sleeved on the main pipe, the second copper sleeves are all sleeved on the first branch pipe, The third copper sleeves are all sleeved on the second branch pipes, the first copper pipes are sleeved on the first copper sleeves, and the second copper sleeves are sleeved on the second copper sleeves above, the third copper tube is sleeved on the third copper sleeve.
The branch pipe assembly for an air conditioner according to any one of claims 1 to 7, wherein the first branch pipe is a straight pipe, and the second branch pipe is a curved pipe.
The branch pipe assembly for an air conditioner according to any one of claims 1 to 7, wherein the first branch pipe and the second branch pipe are both reduced diameter pipes.
An air conditioner, characterized by comprising the branch pipe assembly for an air conditioner according to any one of claims 1-9.