WO2017148204A1

WO2017148204A1 - Air conditioner, outdoor unit and heat exchangertherefor

Info

Publication number: WO2017148204A1
Application number: PCT/CN2016/111315
Authority: WO
Inventors: 罗永前; 廖敏; 彭光前; 陈志伟; 陈英强
Original assignee: 珠海格力电器股份有限公司
Priority date: 2016-02-29
Filing date: 2016-12-21
Publication date: 2017-09-08
Also published as: CN105588225A

Abstract

Disclosed are an air conditioner, an outdoor unit and a heat exchanger therefor. The heat exchanger comprises a first section of heat exchanger (1), a second section of heat exchanger (2) and a third section of heat exchanger (3), wherein the first section of heat exchanger (1) and the third section of heat exchanger (3) are located on the same side of the second section of heat exchanger (2). A fan blade cavity (5) for accommodating a fan blade (4) is formed among the three sections of heat exchanger. An angle between each two adjacent sections of heat exchanger is an included angle, which faces the inside of the fan blade cavity (5), of the two adjacent sections of heat exchanger; the angle between the first section of heat exchanger (1) and the second section of heat exchanger (2) is 88º-110º; and the angle between the third section of heat exchanger (3) and the second section of heat exchanger (2) is 88º-110º.

Description

Air conditioner, outdoor unit and heat exchanger

This application claims priority to Chinese Patent Application No. 201610115422.2, entitled "Air Conditioner, Outdoor Unit and Heat Exchanger", which is filed on February 29, 2016, the entire contents of which are incorporated by reference. In this application.

Technical field

The invention relates to the technical field of air conditioning structures, and more particularly to an air conditioner, an outdoor unit and a heat exchanger thereof.

Background technique

As shown in FIG. 1 , the outdoor unit heat exchanger in the prior art is generally L-shaped, and includes two sections of heat exchangers 01 connected in series, two sections of heat exchangers 01 are vertically disposed, and the blades 02 are located in two stages. Between the heat exchangers 01. However, in this way, the heat exchangers on both sides of the wind blade are asymmetrically arranged, resulting in an asymmetrical wind inlet of the wind blade, so that the wind blade motor bracket is asymmetrically asymmetrical, the vibration is large and the noise generated is large.

In summary, how to effectively solve the problem of wind blade asymmetry is an urgent problem to be solved by those skilled in the art.

Summary of the invention

In view of the above, a first object of the present invention is to provide a heat exchanger whose structural design can effectively solve the problem of asymmetry of wind inlet air, and a second object of the present invention is to provide a An outdoor unit of the above heat exchanger and an air conditioner including the above outdoor unit.

In order to achieve the above first object, the present invention provides the following technical solutions:

A heat exchanger comprising a three-stage partial heat exchanger connected in sequence, wherein the three-stage partial heat exchanger is a first-stage partial heat exchanger, a second-stage partial heat exchanger and a third-stage partial heat exchanger, and The first segment heat exchanger and the third segment heat exchanger are located on the same side of the second segment heat exchanger, and a wind for accommodating the blades is formed between the three segment heat exchangers Leaf cavity

The angle of the bend between the adjacent two-stage heat exchangers refers to the angle between the adjacent two-stage heat exchangers toward the inside of the blade chamber, the first segment heat exchanger and the The bending angle between the second segment heat exchangers is 88-°110°, and the bending angle between the third segment heat exchanger and the second segment heat exchanger The degree is 88-°110°.

Preferably, in the heat exchanger, a bending angle between the first segment heat exchanger and the second segment heat exchanger is 88-93°, and the third segment heat exchanger The bending angle with the second segment heat exchanger is 88-93.

Preferably, in the heat exchanger, a bending angle between the first segment heat exchanger and the second segment heat exchanger is 90-110°, and the third segment heat exchanger The bending angle between the second segment heat exchanger and the second segment heat exchanger is 90-°110°.

Preferably, in the above heat exchanger, the lengths of the first segment heat exchanger and the second segment heat exchanger are both 50 mm-350 mm.

Preferably, in the above heat exchanger, a difference in length between the first segment heat exchanger and the third segment heat exchanger is 10 mm to 150 mm.

Preferably, the heat exchanger further includes a fourth segment heat exchanger connected to an end of the first segment heat exchanger remote from the second segment heat exchanger and the third segment is exchanged a fifth segment heat exchanger connected to one end of the heat exchanger remote from the second segment heat exchanger, and a bending angle between the fourth segment heat exchanger and the first segment heat exchanger is 170-°180°, the bending angle between the fifth segment heat exchanger and the third segment heat exchanger is 170-°180°.

Preferably, in the above heat exchanger, the lengths of the first segment heat exchanger and the second segment heat exchanger are both 30 mm-300 mm, and the fourth segment heat exchanger and the fifth segment heat exchanger The length of the device is greater than 30mm.

Preferably, in the heat exchanger, a difference in length between the fourth segment heat exchanger and the fifth segment heat exchanger is 10 mm to 150 mm.

An outdoor unit comprising the heat exchanger according to any one of the preceding claims.

An air conditioner comprising an outdoor unit as described above.

When applying the heat exchanger provided by the invention, the fan blade is placed in the fan blade chamber and the air inlet side thereof faces the second segment heat exchanger, between the first segment heat exchanger and the second segment heat exchanger The air outlet is formed, and the air inlet side and the left and right sides of the wind blade have heat exchangers, which greatly improves the asymmetry of the air intake of the wind blade, and the air intake of the wind blade is relatively symmetrical, and the force of the motor bracket is symmetrically balanced. Reduces vibration and reduces noise. In addition, the bending angle between the first segment heat exchanger and the second segment heat exchanger is 88-°110°, and the third segment is divided. The bending angle between the heat exchanger and the second-stage heat exchanger is 88-°110°. The applicant has obtained many tests and found that the heat exchange of the heat exchanger can be greatly improved compared with the prior art. effectiveness.

In order to achieve the above second object, the present invention also provides an outdoor unit including any of the above heat exchangers. Since the heat exchanger described above has the above technical effects, the outdoor unit having the heat exchanger should also have a corresponding technical effect. The present invention also provides an air conditioner including the above outdoor unit, and the air conditioner should also have corresponding technical effects, and details are not described herein again.

DRAWINGS

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly described below. Obviously, the drawings in the following description are only It is a certain embodiment of the present invention, and other drawings can be obtained from those skilled in the art without any creative work.

1 is a schematic structural view of a heat exchanger in the prior art;

2 is a top plan view of a type of outdoor unit and heat exchanger according to a first embodiment of the present invention;

3 is a top plan view showing another type of outdoor unit and heat exchanger according to a first embodiment of the present invention;

4 is a top plan view showing another type of outdoor unit and heat exchanger according to a first embodiment of the present invention;

5 is a top plan view of a type of outdoor unit and heat exchanger according to a second embodiment of the present invention;

6 is a top plan view showing another type of outdoor unit and heat exchanger according to a second embodiment of the present invention;

Figure 7 is a plan view showing another type of outdoor unit and heat exchanger according to a second embodiment of the present invention;

Figure 8 is a plan view showing a type of outdoor unit and heat exchanger according to a third embodiment of the present invention;

Figure 9 is a plan view showing another type of outdoor unit and heat exchanger according to a third embodiment of the present invention;

Figure 10 is a top plan view of another type of outdoor unit and heat exchanger according to a third embodiment of the present invention.

In Figure 1:

01-minute heat exchanger, 02-wind blade;

In Figures 2-10:

1-First stage heat exchanger, 2-second stage heat exchanger, 3-third stage heat exchanger, 4-blade, 5-blade chamber, 6-fourth section heat exchanger , 3-5th sub-heat exchanger.

detailed description

A first object of the present invention is to provide a heat exchanger whose structural design can effectively solve the problem of asymmetry of wind inlet air, and a second object of the present invention is to provide a heat exchanger including the above The outdoor unit and an air conditioner including the above outdoor unit.

The technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, but not all 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.

Referring to FIG. 2 to FIG. 10, a heat exchanger according to an embodiment of the present invention includes a three-stage heat exchanger connected in sequence, and the three-stage heat exchangers sequentially connected are a first-stage heat exchanger 1, and a second. The segment heat exchanger 2 and the third segment heat exchanger 3, each segment heat exchanger is a plate-like structure, the first segment heat exchanger 1 and the third segment heat exchanger 3 and the second segment respectively The two ends of the heat exchanger 2 are connected, and the three-stage heat exchangers are connected end to end to form an integral heat exchanger. Wherein, the first segment heat exchanger 1 and the third segment heat exchanger 3 are located on the same side of the second segment heat exchanger 2, and a wind for accommodating the blades 4 is formed between the three segment heat exchangers. The space surrounded by the leaf cavity 5, that is, the three-section heat exchanger, forms the blade chamber 5.

The bending angle between the adjacent two-stage partial heat exchangers refers to the angle between the adjacent two-stage partial heat exchangers facing the inside of the fan blade chamber 5, that is, the adjacent two-stage partial heat exchangers. The angle of bending between the sections is the angle at which the heat exchanger of one section is folded inside the bucket chamber 5 to the other section of the heat exchanger.

The point is that the bending angle between the first segment heat exchanger 1 and the second segment heat exchanger 2 is 88-°110°, that is, the first segment heat exchanger 1 and the second segment heat exchanger The angle between the two inside the vane chamber 5 is 88-°110°. The bending angle between the third-stage heat exchanger 3 and the second-stage heat exchanger 2 is 88-°110°, that is, between the second-stage heat exchanger 2 and the third-stage heat exchanger 3 The angle inside the vane chamber 5 is 88-°110°.

When applying the heat exchanger provided by the embodiment of the invention, the fan blade 4 is placed in the fan blade chamber 5 and the air inlet side thereof faces the second segment heat exchanger 2, and the first segment heat exchanger 1 and the second segment An air outlet is formed between the heat exchangers 2, so that the air inlet side and the left and right sides of the wind blade have sub-heat exchangers, which greatly improves the asymmetry of the air intake of the wind vane 4, and the air intake of the vane 4 is relatively symmetrical. In turn, the force of the motor bracket is more balanced, reducing vibration and reducing noise. In addition, the bending angle between the first segment heat exchanger 1 and the second segment heat exchanger 2 is 88-°110°, and the third segment heat exchanger 3 and the second segment heat exchanger 2 The angle between bends is 88-°110°, The applicant has obtained many tests and found that the heat exchange efficiency of the heat exchanger can be greatly improved compared with the prior art.

The three-stage heat exchanger can be an integrated structure, and the three-stage heat exchanger is formed by bending the heat exchanger twice. The adjacent two-stage heat exchangers are connected by rounded corners. Preferably, the bending angle between the first segment heat exchanger 1 and the second segment heat exchanger 2 and the bending angle between the third segment heat exchanger 3 and the second segment heat exchanger 2 Can be the same.

As shown in FIG. 2-4, in the first embodiment of the present invention, the bending angle between the first segment heat exchanger 1 and the second segment heat exchanger 2 is 88-°93°, The bending angle between the three-stage heat exchanger 3 and the second-stage heat exchanger 2 is also 88-93. Thus, the bending angle between the first segment heat exchanger 1 and the second segment heat exchanger 2 and the bending angle between the third segment heat exchanger 3 and the second segment heat exchanger 2 are both Around 90°, the air intake symmetry of the blade 4 is ensured.

Further, in the first embodiment, the length difference between the first segment heat exchanger 1 and the third segment heat exchanger 3 may be 10 mm-150 mm to ensure the special needs of some air conditioner models. The length of the first stage heat exchanger 1 refers to the distance from one end of the second stage heat exchanger 2 to the end of the heat exchanger 2 away from the second stage, and the third stage heat exchanger 3 The length refers to the distance from one end of the second stage heat exchanger 2 to the end of the second stage heat exchanger 2. As shown in FIG. 3, it is the case where the length of the third-stage heat exchanger 3 is larger than that of the first-stage heat exchanger 1. As shown in FIG. 4, it is the case where the length of the first stage heat exchanger 1 is larger than that of the third stage heat exchanger 3.

As shown in FIG. 5-7, in the second embodiment of the present invention, the bending angle between the first segment heat exchanger 1 and the second segment heat exchanger 2 is 90-°110°, The bending angle between the three-stage heat exchanger 3 and the second-stage heat exchanger 2 is also 90-°110°. Specifically, an appropriate bending angle can be selected according to the actual installation situation.

In the second embodiment, the lengths of the first segment heat exchanger 1 and the second segment heat exchanger 2 may both be 50 mm-350 mm, thus ensuring the symmetry of the airflow heat transfer on both sides of the blade 4, The vibration of the bracket is small and the noise is reduced. Of course, the length of the first-stage heat exchanger 1 and the second-stage heat exchanger 2 can also be set according to the actual situation, for example, 360 mm, etc., which is not limited herein.

Further, in the second embodiment, the length difference between the first segment heat exchanger 1 and the third segment heat exchanger 3 may be 10 mm to 150 mm to ensure the special needs of some air conditioner models. Wherein, the length of the first stage heat exchanger 1 refers to one end connected to the second stage heat exchanger 2 to be far away from the second stage The distance of one end of the heat exchanger 2, the length of the third-stage heat exchanger 3 refers to the distance from one end of the heat exchanger 2 to the end of the second-stage heat exchanger 2 to the end of the heat exchanger 2 away from the second stage. As shown in FIG. 6, it is the case where the length of the third-stage heat exchanger 3 is larger than that of the first-stage heat exchanger 1. As shown in FIG. 7, it is the case where the length of the first stage heat exchanger 1 is larger than that of the third stage heat exchanger 3.

As shown in FIGS. 8-10, in a third embodiment of the present invention, the heat exchanger further includes a fourth connection to an end of the first segment heat exchanger 1 remote from the second segment heat exchanger 2. a segment heat exchanger 6 and a fifth segment heat exchanger 3 connected to an end of the third segment heat exchanger 3 remote from the second segment heat exchanger 2, that is, the first segment heat exchanger 1 is The second stage heat exchanger 2 is connected, the other end is connected to the fourth stage heat exchanger 6, and the third stage heat exchanger 3 is connected to the second stage heat exchanger 2, and the other end is divided into the fifth stage. The heat exchanger 3 is connected. Moreover, the bending angle between the fourth segment heat exchanger 6 and the first segment heat exchanger 1 is 170-180°, and the fifth segment heat exchanger 3 and the third segment heat exchanger 3 The bending angle between the two is 170-°180°. The bending angle at this point refers to the angle between the adjacent two-stage heat exchangers facing the inside of the blade chamber 5. This can improve the wind field distribution around the blade 4 and improve heat transfer performance.

Further, in the above third embodiment, the lengths of the first segment heat exchanger 1 and the second segment heat exchanger 2 are both 30 mm-300 mm, and the fourth segment heat exchanger 6 and the fifth segment are divided. The length of the heat exchanger 3 is greater than 30 mm. This ensures that the airflow heat transfer on both sides of the blade 4 is symmetrical, which reduces the vibration of the bracket and reduces the noise. Of course, the lengths of the first segment heat exchanger 1, the second segment heat exchanger 2, the fourth segment heat exchanger 6 and the fifth segment heat exchanger 3 can also be set according to actual conditions, for example 320mm, etc., is not limited herein. Wherein, the length of the fourth-stage heat exchanger 6 refers to the distance from one end of the first-stage heat exchanger 1 to one end away from the first-stage heat exchanger 1, and the fifth-stage heat exchanger 3 The length refers to the distance from one end of the third-stage heat exchanger 3 to one end away from the third-stage heat exchanger 3.

Further, in the third embodiment, the difference between the length of the fourth-stage heat exchanger 6 and the fifth-stage heat exchanger 3 is 10 mm-150 mm, so as to ensure the special needs of some air-conditioning models. As shown in FIG. 9, it is the case where the length of the fifth-stage heat exchanger 3 is larger than that of the fourth-stage heat exchanger 6. As shown in FIG. 10, it is the case where the length of the fourth stage heat exchanger 6 is larger than that of the fifth stage heat exchanger 3.

Based on the heat exchanger provided in the above embodiment, the present invention also provides an outdoor unit comprising the heat exchanger of any of the above embodiments. Since the outdoor unit employs the heat exchanger in the above embodiment, the advantageous effects of the outdoor unit can be referred to the above embodiment.

The present invention also provides an air conditioner comprising the above-mentioned outdoor unit, and therefore the advantageous effects of the air conditioner are referred to the above embodiment.

The various embodiments in the present specification are described in a progressive manner, and each embodiment focuses on differences from other embodiments, and the same similar parts between the various embodiments may be referred to each other.

The above description of the disclosed embodiments enables those skilled in the art to make or use the invention. Various modifications to these embodiments are obvious to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but the scope of the invention is to be accorded

Claims

A heat exchanger comprising a three-stage heat exchanger connected in series, wherein the three-stage heat exchanger is a first-stage heat exchanger (1) and a second-stage heat exchanger (2) And a third stage heat exchanger (3), and the first stage heat exchanger (1) and the third stage heat exchanger (3) are located in the second stage heat exchanger (2) On the same side, a fan chamber (5) for accommodating the blades (4) is formed between the three-stage heat exchangers;

The bending angle between the adjacent two-stage heat exchangers refers to the angle between the adjacent two-stage heat exchangers facing the inside of the blade chamber (5), the first section heat exchanger (1) a bending angle between the second segment heat exchanger (2) and the second segment heat exchanger (2) is 88-°110°, and the third segment heat exchanger (3) and the second segment heat exchange device The bending angle between the devices (2) is 88-°110°.
The heat exchanger according to claim 1, characterized in that the bending angle between the first segment heat exchanger (1) and the second segment heat exchanger (2) is 88-° 93°, the bending angle between the third segment heat exchanger (3) and the second segment heat exchanger (2) is 88-°93°.
The heat exchanger according to claim 1, characterized in that the bending angle between the first segment heat exchanger (1) and the second segment heat exchanger (2) is 90-° 110°, the bending angle between the third segment heat exchanger (3) and the second segment heat exchanger (2) is 90-°110°.
The heat exchanger according to claim 3, characterized in that the lengths of the first segment heat exchanger (1) and the second segment heat exchanger (2) are both 50 mm to 350 mm.
The heat exchanger according to claim 2 or 3, characterized in that the difference in length between the first segment heat exchanger (1) and the third segment heat exchanger (3) is 10 mm - 150 mm .
The heat exchanger according to claim 3, further comprising a fourth segment connected to an end of said first segment heat exchanger (1) remote from said second segment heat exchanger (2) a heat exchanger (6) and a fifth-stage heat exchanger (3) connected to an end of the third-stage heat exchanger (3) remote from the second-stage heat exchanger (2), and The bending angle between the fourth segment heat exchanger (6) and the first segment heat exchanger (1) is 170-180°, and the fifth segment heat exchanger (3) and the The bending angle between the third stage heat exchangers (3) is 170-180 degrees.
The heat exchanger according to claim 6, wherein the first segment heat exchanger (1) and the second segment heat exchanger (2) each have a length of 30 mm to 300 mm, and the fourth The lengths of the segment heat exchanger (6) and the fifth segment heat exchanger (3) are both greater than 30 mm.
The heat exchanger according to claim 7, characterized in that the difference in length between the fourth segment heat exchanger (6) and the fifth segment heat exchanger (3) is from 10 mm to 150 mm.
An outdoor unit characterized by comprising the heat exchanger according to any one of claims 1-8.
An air conditioner comprising the outdoor unit according to claim 9.