WO2018137385A1

WO2018137385A1 - Connecting pipe fixture, heat exchanger having same, and indoor air-conditioning unit

Info

Publication number: WO2018137385A1
Application number: PCT/CN2017/110222
Authority: WO
Inventors: 余卫权; 李如强; 胡保国; 余欣锋; 黄军
Original assignee: 珠海格力电器股份有限公司
Priority date: 2017-01-25
Filing date: 2017-11-09
Publication date: 2018-08-02

Abstract

A connecting pipe fixture, a heat exchanger having same, and an indoor air-conditioning unit. The connecting pipe fixture comprises a fixture main body (a210), the fixture main body (a210) being suitable for being fixed on a side plate (k105) of a heat exchanger (k104), and having a connecting pipe fixture limiting part (k1012) for limiting a connecting pipe (k205) disposed on the heat exchanger (k104). The connecting pipe fixture has a simple structure, and can make the connecting pipe (k205) disposed above the heat exchanger (k104) more stable, it is not easy to cause a shake when an indoor air-conditioning unit is transported, and therefore, a collision with the part of a heat-radiating pipe (k108) at the outer side of the side plate (k105) is avoided.

Description

Connecting pipe fixing member, heat exchanger having same and air conditioner indoor unit

Technical field

The invention relates to the technical field of an angular frame structure for an air conditioner indoor unit, and particularly relates to a connecting pipe fixing member, a heat exchanger having the same, and an air conditioner indoor unit.

Background technique

The air conditioner indoor unit includes a heat exchanger, and the angle frame is disposed on the heat exchanger for supporting and fixing the heat exchanger, and the fins of the adjacent two heat exchangers are always maintained at a specific angle, and the air conditioner indoor unit further includes inside and outside. Connecting pipe for connecting the heat exchanger and the indoor unit. However, in the prior art air conditioning indoor unit, the inner and outer connecting pipes are usually a pair (i.e., one inlet pipe for inputting refrigerant to the heat exchanger, and one gas collecting pipe for outputting refrigerant to the indoor unit). Usually, during the assembly process, the heat exchanger and the connecting pipe are assembled by welding and sent to the production line, and after the heat exchanger is mounted on the base member, the connecting pipe is also fixed on the base member. . In this process, during the process of transporting the heat exchanger from the welding assembly station to the assembly station of the whole machine, the connecting pipe is in a suspended state, and vibration or collision during transportation may cause damage to the soldering point, resulting in leakage of the refrigerant. In addition, during the assembly process of the whole machine, after the heat exchanger is mounted on the base member, the connecting pipe is also fixed to the base member. Moreover, the installation time of the connecting pipe is often greater than the installation time of the heat exchanger, so the influence on the efficiency of the assembly of the whole machine is great.

Summary of the invention

Therefore, the technical problem to be solved by the present invention is to overcome the technical defect that the connecting tube is easily damaged with the arc-shaped bent portion of the heat-dissipating tube outside the side plate during transportation of the heat exchanger assembly, thereby providing a connection avoidance. A connecting pipe fixing member that is in contact with the arc-shaped bent portion of the heat pipe and located outside the side plate.

The present invention also provides a heat exchanger having the above-described connecting pipe fixing member.

The present invention also provides an air conditioning indoor unit having the above heat exchanger.

To this end, the present invention provides a connecting pipe fixing member comprising a fixing body which is adapted to be fixed on a side plate of a heat exchanger and has a space for limiting a connecting pipe arranged on the heat exchanger. Connect the pipe holder to the limiter.

As a preferred solution, the connecting tube fixing member has at least two limiting portions.

As a preferred solution, the connecting tube fixing member limiting portion is two clips oppositely disposed on the fixing member main body, and a clamping space for clamping the connecting tube is formed between the two clamping pieces.

As a preferred solution, the clip has elasticity, and when the connecting tube enters the clamping space, the clip is elastically deformed to elastically clamp the connecting tube.

As a preferred solution, the middle portions of the two clips are curved in an arc shape away from each other.

As a preferred solution, the connecting pipe fixing member limiting portion is a circular opening formed on the fixing member main body, and the circular opening is adapted to be connected to the connecting tube.

As a preferred solution, the fixing body is provided with at least one protective space for accommodating the arc-shaped bent portion of the heat pipe outside the side plate.

As a preferred solution, the fixing body is provided with a through hole, and the side plate opposite to the through hole is provided with a threaded hole, and the fixing bolt is passed through the through hole and screwed with the threaded hole, thereby fixing the fixing body to the side. On the board.

The invention also provides a heat exchanger comprising:

a heat exchanger body, at least one, having fins that are opposed to each other to form an installation space;

a heat pipe installed inside the fin;

a side plate fixed on at least one side of the heat exchanger body for supporting and sealing the heat exchanger body, and having a mounting hole for supporting the heat pipe;

The inlet pipe is located at one side of the heat exchanger body and communicates with the inlet of the heat pipe for receiving the refrigerant from the indoor unit;

a gas collecting pipe, located at one side of the heat exchanger body, communicating with the outlet of the heat pipe for receiving the refrigerant and conveying it to the indoor unit;

The liquid inlet branch pipe communicates with the liquid inlet pipe through the first three-way component, the gas collecting branch pipe communicates with the gas collecting pipe through the second three-way component, and the liquid inlet branch pipe and the gas collecting branch pipe extend to the other side of the heat exchanger body ;

Also included is the aforementioned connecting pipe fixing member, the connecting pipe fixing member being fixed to the side plate for limiting the connecting pipe disposed on the heat exchanger.

As a preferred solution, the heat pipe is made up of a plurality of U-shaped tubes connected in series by welding elbows.

The invention also provides an air conditioning indoor unit comprising the above heat exchanger.

The connecting pipe fixing member provided by the invention, the heat exchanger having the same and the air conditioning indoor unit have the following advantages:

1. The connecting pipe fixing member of the present invention, comprising a fixing member main body, wherein the fixing member main body is provided with a connecting pipe fixing member limiting portion, wherein the connecting pipe fixing member limiting portion is used for the connecting pipe disposed above the heat exchanger (into the liquid branch pipe and / or the gas collecting branch pipe) to limit the position, thereby preventing the arcuate bending portion of the heat pipe which is located outside the side plate after the shaking; the connecting pipe fixing member of the invention is not only simple in structure, but also capable of The connecting pipe disposed above the heat exchanger is more stable, and is less likely to sway when the air conditioning indoor unit is transported, and thus does not collide with the portion of the heat pipe outside the side plate.

2. The simplified angle plate structure of the present invention, the fixing body is fixed on the side plate of the heat exchanger, and the limiting portion of the connecting pipe fixing member extends to the upper side of the heat exchanger in a direction substantially perpendicular to the connecting pipe, thereby effectively utilizing the change The space above the heater, and the limit effect is better.

3. The simplified angle plate structure of the present invention, the connecting pipe fixing member limiting portion is two clips oppositely disposed on the fixing member main body, and the two clamping plates form a clamping branch for holding the liquid inlet pipe or the gas collecting branch pipe. The clamping space and the clamping space formed by the two clips facing upward are convenient for disassembly and assembly, easy to realize automatic production, and the limit effect is good.

4. The simplified angle plate structure of the present invention, the fixing body is further provided with at least one protective space for accommodating the arc-shaped bent portion of the heat pipe outside the side plate, the arrangement can protect the arc of the heat pipe The bent portion makes it difficult to break with other parts.

5. The invention also provides a heat exchanger, on the basis of the original liquid inlet pipe and the gas collecting pipe, a liquid inlet branch pipe and a gas collecting branch pipe which are connected with the original liquid inlet pipe and the gas collecting pipe are newly added and extended To the other side of the air conditioner indoor unit, thereby facilitating installation, and avoiding bending of the inlet pipe and the gas collecting pipe due to the positional mismatch of the air conditioner indoor unit and the indoor unit; in addition, the heat exchanger of the present invention also adopts the above The angular plate structure is simplified, so that the positions of the liquid inlet branch and the gas collection branch pipe are more stable, and the arcuate bent portion of the heat pipe outside the side plate is not damaged during transportation.

6. The present invention also provides an air conditioner indoor unit comprising the heat exchanger as described above, which naturally has all the advantages due to the use of the above heat exchanger since the above heat exchanger is employed.

DRAWINGS

In order to more clearly illustrate the prior art or the technical solutions in the specific embodiments of the present invention, the following description of the drawings used in the description of the prior art or the specific embodiments will be briefly described, and it will be apparent to those skilled in the art In other words, other drawings can be obtained from these drawings without any creative work.

1 is a schematic view showing the overall structure of a connecting pipe fixing member according to an embodiment of the present invention.

2 is a schematic view showing the structure of the connecting pipe fixing member of FIG. 1 fixedly mounted to one end of the heat exchanger.

Figure 3 is a schematic view showing the structure of the connecting pipe fixing member of Figure 1 mounted on a heat exchanger for supporting the connecting pipe.

Figure 4 is an enlarged schematic view showing the structure of a portion A in Figure 3.

DESCRIPTION OF REFERENCE NUMERALS: a210, fixing body; a2231, inlet pipe; a2232, gas collecting pipe; a2233, first three-way component; a2234, second three-way component; k1011, protection space; k1012, limiting portion; , liquid inlet branch pipe; k103, gas collecting branch pipe; k104, heat exchanger; k1040, heat exchanger body; k105, side plate; k108, heat pipe; k205, connecting pipe.

detailed description

The technical solutions of the present invention will be clearly and completely described in the following with reference to the accompanying drawings. It is obvious that the described embodiments are a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

In the description of the present invention, it is to be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. The orientation or positional relationship of the indications is based on the orientation or positional relationship shown in Figure 4, for the convenience of the description of the present invention and the simplified description, and does not indicate or imply that the device or component referred to has a specific orientation to be specific. The orientation and construction of the orientation are not to be construed as limiting the invention. Moreover, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that the terms "installation", "connected", and "connected" are to be understood broadly, and may be fixed or detachable, for example, unless otherwise explicitly defined and defined. Connected, or integrally connected; can be mechanical or electrical; can be directly connected, or indirectly connected through an intermediate medium, can be the internal communication of the two components. The specific meaning of the above terms in the present invention can be understood in a specific case by those skilled in the art.

Further, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not constitute a conflict with each other.

Example 1

The embodiment provides a connecting pipe fixing member, as shown in FIG. 1 to FIG. 4, including a fixing body a210, and the fixing body a210 is adapted to be fixed on the side plate k105 of the heat exchanger k104, and has a pair for Heat exchanger k104 The connecting pipe k205 performs the limiting connecting pipe fixing member limiting portion k1012.

The connecting pipe fixing member of the embodiment not only has a simple structure, but also can make the connecting pipe k205 disposed above the heat exchanger k104 more stable, and is less likely to sway when the air conditioning indoor unit is transported, and thus does not overlap with the heat pipe k108. The portion located outside the side plate k105 is damaged.

There are two connecting tube fixing parts k1012, and those skilled in the art can also set more or integrate into one as needed.

The connecting pipe fixing member limiting portion k1012 is a pair of clips disposed opposite to the fixing member main body a210, and a clamping space for clamping the connecting pipe k205 is formed between the two clamping pieces. The clamping space formed by the two clips facing upwards is convenient to disassemble and assemble, and is easy to realize automatic production, and the limit effect is good.

The clip has elasticity, and when the connecting tube k205 enters the clamping space, the clip is elastically deformed to elastically clamp the connecting tube k205. The middle portions of the two clips are bent in an arc shape away from each other, thereby forming a space suitable for holding the connecting pipe k205.

As a variant design, the connecting pipe fixing member limiting portion k1012 is a circular opening formed on the fixing member main body a210, and the opening is adapted to be engaged and positioned by the connecting pipe k205.

The fixing body main body a210 is provided with at least one protective space k1011 for accommodating the arc-shaped bent portion of the heat-dissipating tube k108 outside the side plate k105, and this arrangement can protect the arc-shaped bent portion of the heat-dissipating tube k108, so that It is not easy to break with other parts.

The fixing body main body a210 is provided with a through hole, and the side plate k105 opposite to the through hole is provided with a threaded hole, and the fixing bolt is passed through the through hole and screwed with the threaded hole, thereby fixing the fixing body main body a210 to the side plate k105. .

Example 2

As shown in FIG. 2 to FIG. 4, the embodiment provides a heat exchanger comprising: a heat exchanger body k1040 having fins that are vertically opposed to form an installation space; a heat pipe k108 installed inside the installation space; K105, fixed on at least one side of the heat exchanger body k1040, for supporting and sealing the heat exchanger body k1040, and having a mounting hole for supporting the heat pipe k108; the liquid inlet pipe a2231, located at the heat exchanger body k1040 The side is in communication with the inlet of the heat pipe k108 for receiving the refrigerant from the outdoor unit; the gas collection pipe a2232 is located at one side of the heat exchanger body k1040 and communicates with the outlet of the heat pipe k108 for receiving the refrigerant and conveying it to the Outdoor unit; inlet branch tube k102 The first three-way part a2233 is in communication with the liquid inlet pipe a2231, the gas collecting branch pipe k103 is connected to the gas collecting pipe a2232 through the second three-way part a2234, and the liquid inlet branch pipe k102 and the gas collecting branch pipe k103 are both extended to the heat exchanger body k1040. The other side of the outlet; also includes a connecting tube fixture as described in embodiment 1.

In this embodiment, the heat pipe k108 is formed by connecting a plurality of U-shaped pipes in series through a welding elbow.

In the heat exchanger of the present embodiment, on the basis of the original inlet pipe a223 and the gas collection pipe a2232, a liquid inlet branch k102 and a gas collecting branch k103 which are in communication with the original inlet pipe a223 and the gas collection pipe a2232 are newly added, and It extends to the other side of the air conditioner indoor unit, thereby facilitating installation, and can avoid bending of the inlet pipe a2231 and the gas collecting pipe a2232 due to the positional difference between the air conditioner indoor unit and the indoor unit; in addition, the heat exchanger of the embodiment The simplified angle plate structure in Embodiment 1 is also employed, so that the positions of the inlet branch pipe k102 and the gas collection branch pipe k103 are more stable, and the arc-shaped bent portion of the heat pipe k108 outside the side plate k105 is not transported during transportation. A breakage occurred.

Example 3

This embodiment provides an air conditioner indoor unit including the heat exchanger as described in Embodiment 2.

Since the air conditioner indoor unit of the present embodiment employs the above-described heat exchanger, it naturally has all the advantages brought about by the use of the above heat exchanger.

It is apparent that the above-described embodiments are merely illustrative of the examples, and are not intended to limit the embodiments. Other variations or modifications of the various forms may be made by those skilled in the art in light of the above description. There is no need and no way to exhaust all of the implementations. Obvious changes or variations resulting therefrom are still within the scope of the invention.

Claims

A connecting pipe fixing member characterized by comprising a fixing body (a210) adapted to be fixed on a side plate (k105) of a heat exchanger (k104) for arranging The connecting pipe (k205) on the heat exchanger (k104) performs a limiting pipe joint fixing portion (k1012).
The connecting pipe fixing member according to claim 1, wherein the connecting pipe fixing member restricting portion (k1012) is at least two.
The connecting pipe fixing member according to claim 1 or 2, wherein the connecting pipe fixing member limiting portion (k1012) is two clips oppositely disposed on the fixing member main body (a210), two A clamping space for clamping the connecting pipe (k205) is formed between the clips.
The connecting pipe fixing member according to claim 3, wherein the clip has elasticity, and when the connecting pipe (k205) enters the clamping space, the clip is elastically deformed to elastically clamp the same. The connecting pipe (k205).
The connecting pipe fixing member according to claim 3, wherein the middle portions of the two clips are bent in an arc shape away from each other.
The connecting pipe fixing member according to claim 1, wherein the connecting pipe fixing member limiting portion (k1012) is a circular opening formed on the fixing member main body (a210), the circular opening Suitable for the positioning of the connecting tube (k205).
The connecting pipe fixing member according to claim 1, wherein the fixing member main body (a210) is provided with at least one curved curved portion for accommodating the heat radiating pipe (k108) on the outer side of the side plate (k105). Part of the protective space (k1011).
The connecting pipe fixing member according to claim 1, wherein the fixing member main body (a210) is provided with a through hole, and the side plate (k105) opposite to the through hole is provided with a threaded hole. After the through bolt is passed through the through hole, the threaded hole is screwed to fix the fixing body (a210) on the side plate (k105).
A heat exchanger comprising:

a heat exchanger body (k1040) having at least one fin having upper and lower sides opposite to form an installation space;

a heat pipe (k108) installed inside the fin;

a side plate (k105) fixed to at least one side of the heat exchanger body (k1040) for supporting and sealing a heat exchanger body (k1040) having a mounting hole for supporting the heat pipe (k108);

a liquid inlet pipe (a2231), located at one side of the heat exchanger body (k1040), communicating with an inlet of the heat pipe (k108) for receiving refrigerant from the indoor unit;

a gas collecting pipe (a2232) located at one side of the heat exchanger body (k1040), communicating with an outlet of the heat pipe (k108) for receiving refrigerant and conveying the same to the indoor unit;

The inlet branch pipe (k102) and the gas collection branch pipe (k103) are respectively communicated with the inlet pipe (a2231) and the gas collecting pipe (a2232) through a three-way part (a2233, a2234), and the inlet branch pipe (k102) And the gas collection branch pipe (k103) extends to the other side of the heat exchanger body (k1040);

It is characterized in that

Further, the connection pipe fixing member according to any one of claims 1 to 8, wherein the connection pipe fixing member is fixed to the side plate (k105) for pairing the heat exchanger (k104) The upper connecting pipe (k205) is limited.
The heat exchanger according to claim 9, wherein said heat pipe (k108) is formed by a plurality of U-shaped tubes connected in series by a welding elbow.
An air conditioner indoor unit comprising a casing, wherein the heat exchanger according to claim 9 or 10 is installed inside the casing.