CN215929850U - Heat exchanger and air conditioner - Google Patents
Heat exchanger and air conditioner Download PDFInfo
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- CN215929850U CN215929850U CN202121012890.XU CN202121012890U CN215929850U CN 215929850 U CN215929850 U CN 215929850U CN 202121012890 U CN202121012890 U CN 202121012890U CN 215929850 U CN215929850 U CN 215929850U
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Abstract
The embodiment of the application discloses heat exchanger and air conditioner, the heat exchanger includes a plurality of fins and a plurality of heat exchange tube, and a plurality of fins set up side by side, and a plurality of fins are passed in proper order to the heat exchange tube. The heat exchanger comprises a first heat exchange area and a second heat exchange area, and the second heat exchange area is distributed on two opposite sides of the first heat exchange area along the length direction of the fins; in the length direction of the fin, the distribution density of the heat exchange tubes in a unit length in the first heat exchange area is greater than that in the second heat exchange area. In the length direction of the fins, the distribution density of the heat exchange tubes in a unit length in the first heat exchange area is larger than that of the heat exchange tubes in a unit length in the second heat exchange area, so that the sum of the cross sectional areas of the heat exchange tubes in the unit length in the first heat exchange area is larger than that of the heat exchange tubes in the unit length in the second heat exchange area, and the heat exchange efficiency of the heat exchanger in the first heat exchange area is larger than that in the second heat exchange area, so that the overall heat exchange efficiency of the heat exchanger is improved.
Description
Technical Field
The application relates to the field of air conditioners, in particular to a heat exchanger and an air conditioner.
Background
The heat exchanger is one of the important parts of the air conditioner, has great influence on the performance and the cost of the air conditioner, and realizes the operation of refrigerating and heating equipment by introducing a coolant into a heat exchange pipe and exchanging heat with air flow flowing through the heat exchange pipe. In the prior art, the whole wind resistance of the heat exchanger is large, the contact area of the airflow and the heat exchange tube is limited, and the whole heat exchange efficiency of the heat exchanger is low.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application provides a heat exchanger and an air conditioner to solve the problem that the overall heat exchange efficiency of the heat exchanger is low.
The embodiment of the application provides a heat exchanger, which comprises a plurality of fins and a plurality of heat exchange tubes, wherein the fins are arranged in parallel, and the heat exchange tubes sequentially penetrate through the fins;
the heat exchanger comprises a first heat exchange area and a second heat exchange area, and the second heat exchange area is distributed on two opposite sides of the first heat exchange area along the length direction of the fins;
in the length direction of the fins, the distribution density of the heat exchange tubes in a unit length of the first heat exchange area is greater than that in the second heat exchange area
Optionally, in some embodiments of the present application, the heat exchanger includes a first sub heat exchanger and a second sub heat exchanger; the first sub heat exchanger comprises a plurality of first sub fins and a plurality of first sub heat exchange tubes, the plurality of first sub fins are arranged in parallel, and the first sub heat exchange tubes sequentially penetrate through the plurality of first sub fins; the first heat exchanger comprises a first heat exchange area and a second heat exchange area, and the second heat exchange area is distributed on two opposite sides of the first heat exchange area along the length direction of the first sub-fin;
the second heat exchanger is connected with the first heat exchanger and located in the second heat exchange area, the second heat exchanger comprises a plurality of second sub fins and a plurality of second heat exchange sub tubes, the second sub fins are arranged in parallel, and the second heat exchange sub tubes sequentially penetrate through the second sub fins.
Optionally, in some embodiments of the present application, the first sub-fin and the second sub-fin have a same length direction.
Optionally, in some embodiments of the present application, a distance between adjacent heat exchange tubes in the first heat exchange zone is smaller than a distance between adjacent heat exchange tubes in the second heat exchange zone.
Optionally, in some embodiments of the present application, a distance between adjacent heat exchange tubes in the first heat exchange zone gradually increases along a direction from the middle to both sides of the first heat exchange zone; and/or the presence of a gas in the gas,
the distance between the adjacent heat exchange tubes in the second heat exchange area is gradually increased along the direction far away from the first heat exchange area.
Optionally, in some embodiments of the present application, the diameter of the heat exchange tubes of the first heat exchange zone is larger than the diameter of the heat exchange tubes of the second heat exchange zone.
Optionally, in some embodiments of the present application, the diameters of the heat exchange tubes in the first heat exchange zone gradually decrease along a direction from the middle to both sides of the first heat exchange zone; and/or the presence of a gas in the gas,
the diameter of the heat exchange tubes in the second heat exchange zone is gradually reduced along the direction far away from the first heat exchange zone.
Optionally, in some embodiments of the present application, in the length direction of the fin, the area of the fin per unit length in the first heat exchange area is larger than the area of the fin per unit length in the second heat exchange area.
Correspondingly, this application embodiment still provides an air conditioner, the air conditioner includes:
the shell comprises an air duct, an inlet and an outlet which are communicated with the air duct;
the fan is connected with the shell, and an air outlet of the fan is communicated with an inlet of the air duct; and
the heat exchanger is arranged in the air duct.
Optionally, in some embodiments of the present application, a distance between one end of the plurality of heat exchange tubes and the inlet is smaller or larger than a distance between the other end of the plurality of heat exchange tubes and the inlet.
Optionally, in some embodiments of the present application, an included angle formed between a length direction of a plurality of heat exchange tubes of the heat exchanger and an axial direction of the fan is different.
In the length direction of the fins, the distribution density of heat exchange tubes in a unit length in the first heat exchange area is larger than that of the heat exchange tubes in a unit length in the second heat exchange area, so that the sum of the cross sectional areas of the heat exchange tubes in the unit length in the first heat exchange area is larger than that of the heat exchange tubes in the unit length in the second heat exchange area, and the heat exchange efficiency of the heat exchanger in the first heat exchange area is larger than that in the second heat exchange area. Because the wind field intensity is not evenly distributed in the wind channel, but the stronger and weaker region of the wind field can appear, after the heat exchanger is installed in the wind channel, the first heat exchange area with higher heat exchange efficiency is in the stronger region of the wind field, and the second heat exchange area with lower heat exchange efficiency is in the weaker region of the wind field, so that the overall heat exchange efficiency of the heat exchanger can be improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, 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 only some embodiments of the present application, 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 structural diagram of a heat exchanger provided in an embodiment of the present application;
fig. 2 is a schematic structural diagram of an air conditioner provided in an embodiment of the present application;
fig. 3 is an internal structure view in the direction a in fig. 2 according to an embodiment of the present application.
Description of reference numerals:
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. 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 application. Furthermore, it should be understood that the detailed description and specific examples, while indicating exemplary embodiments of the invention, are given by way of illustration and explanation only, and are not intended to limit the scope of the invention. In the present application, unless indicated to the contrary, the use of the directional terms "upper" and "lower" generally refer to the upper and lower positions of the device in actual use or operation, and more particularly to the orientation of the figures of the drawings; while "inner" and "outer" are with respect to the outline of the device.
The embodiment of the application provides a heat exchanger and an air conditioner. The following are detailed below. It should be noted that the following description of the embodiments is not intended to limit the preferred order of the embodiments.
First, this application embodiment provides a heat exchanger, and the heat exchanger includes a plurality of fins and a plurality of heat exchange tube, and a plurality of fins set up side by side, and the heat exchange tube passes a plurality of fins in proper order. The heat exchanger comprises a first heat exchange area and a second heat exchange area, and the second heat exchange area is distributed on two opposite sides of the first heat exchange area along the length direction of the fins; in the length direction of the fin, the distribution density of the heat exchange tube in the unit length of the first heat exchange area is greater than that in the unit length of the second heat exchange area.
Fig. 1 is a schematic structural diagram of a heat exchanger according to an embodiment of the present disclosure, and as shown in fig. 1, the heat exchanger 100 includes a plurality of fins 130 and a plurality of heat exchange tubes 140. Wherein, a plurality of fins 130 are arranged in parallel, and the heat exchange tube 140 passes through a plurality of fins 130 in turn. In the operation process of the heat exchanger 100, a coolant such as a refrigerant is introduced into the heat exchange tube 140, and the heat exchange tube 140 sequentially passes through the fins 130 and is connected to the fins 130, so that heat conduction between the heat exchange tube 140 and the fins 130 is realized. During the heat exchange process, the surfaces of the heat exchange tubes 140 and the surfaces of the fins 130 can exchange heat, so as to realize the heat exchange of the air flow flowing through the heat exchanger 100.
Wherein, the mutual cooperation of structure and position between heat exchange tube 140 and fin 130 directly influences the heat transfer effect of heat exchanger 100, and among the practical application process, can be according to the design demand, through the design to mutually supporting of heat exchange tube 140 and fin 130, realize the demand of different heat exchanger 100 heat transfer effects.
The heat exchanger 100 can be divided into a first heat exchange area 110 and a second heat exchange area 120 according to heat exchange effects, wherein the second heat exchange area 120 is distributed on opposite sides of the first heat exchange area 110 along the length direction of the fins 130. That is, in the length direction of the fins 130, the first heat transfer area 110 is the middle area of the fins 130, and the second heat transfer areas 120 are located at the two end areas of the fins 130.
It should be noted that, when the heat exchanger 100 is installed in the air duct, the strength of the wind field in the air duct is not uniformly distributed, but a region with a stronger wind field and a weaker wind field may appear. The structure of the heat exchanger 100 in the first heat exchange zone 110 and the second heat exchange zone 120 is designed according to the strength of the wind field, so that the overall heat exchange effect of the heat exchanger 100 can be effectively improved.
Optionally, in the length direction of the fins 130, the distribution density of the heat exchange tubes 140 per unit length in the first heat exchange zone 110 is greater than the distribution density of the heat exchange tubes 140 per unit length in the second heat exchange zone 120. That is, in the length direction of the fins 130, the number of the heat exchange tubes 140 per unit length of the heat exchange tubes 140 in the first heat exchange zone 110 or the sum of the cross sectional areas of the heat exchange tubes 140 is greater than the number of the heat exchange tubes 140 per unit length of the heat exchange tubes 140 in the second heat exchange zone 120 or the sum of the cross sectional areas of the heat exchange tubes 140, so that the heat exchange efficiency of the heat exchanger 100 in the first heat exchange zone 110 is greater than that in the second heat exchange zone 120, thereby improving the overall heat exchange efficiency of the heat exchanger 100.
Optionally, the heat exchanger 100 can include a first sub heat exchanger 150 and a second sub heat exchanger 160. The second sub heat exchanger 160 is located at one side of the first sub heat exchanger 150, and the first sub heat exchanger 150 and the second sub heat exchanger 160 are connected together. The first sub heat exchanger 150 includes a plurality of first sub fins 151 and a plurality of first sub heat exchange tubes 152, the plurality of first sub fins 151 are arranged in parallel, and the first sub heat exchange tubes 152 sequentially penetrate through the plurality of first sub fins 151 and are connected with the fins 130, so as to realize heat conduction between the heat exchange tubes 140 and the fins 130.
The first sub heat exchanger 150 includes a first heat exchange area 110 and a second heat exchange area 120, and the second heat exchange area 120 is distributed on two opposite sides of the first heat exchange area 110 along the length direction of the first sub fin 151. In addition, in the length direction of the first sub-fin 151, the distribution density of the first sub-heat exchange tubes 152 per unit length in the first heat exchange zone 110 is greater than the distribution density of the second sub-heat exchange tubes 162 per unit length in the second heat exchange zone 120, so as to improve the heat exchange efficiency of the first sub-heat exchanger 150.
The second sub heat exchanger 160 includes a plurality of second sub fins 161 and a plurality of second sub heat exchange tubes 162, the plurality of second sub fins 161 are arranged in parallel, and the second sub heat exchange tubes 162 sequentially penetrate through the plurality of second sub fins 161 and are connected with the fins 130, so as to realize heat conduction between the heat exchange tubes 140 and the fins 130.
The second sub heat exchanger 160 is connected to the first sub heat exchanger 150 and is located in the second heat exchange area 120, and with the structural design, the number of the heat exchange tubes 140 of the heat exchanger 100 in the first heat exchange area 110 and the sum of the cross-sectional areas of the heat exchange tubes 140 can be increased, so that the distribution density of the heat exchange tubes 140 of the heat exchanger 100 in the first heat exchange area 110 is further increased, and the overall heat exchange effect of the heat exchanger 100 is improved.
In some embodiments, the second sub heat exchanger 160 includes the second heat exchange zone 120, and it is only necessary to ensure that the distribution density of the heat exchange tubes 140 in the first heat exchange zone 110 per unit length is greater than that in the second heat exchange zone 120 per unit length in the length direction of the second sub fins 161, which is not particularly limited herein.
It should be noted that, in the embodiment of the present application, the heat exchanger 100 is divided into the first sub heat exchanger 150 and the second sub heat exchanger 160, and the purpose of improving the overall heat exchange effect of the heat exchanger 100 can be achieved by improving the position design of the first sub heat exchanger 150 and the second sub heat exchanger 160 and independently changing the structure of the first sub heat exchanger 150 or the second sub heat exchanger 160.
Alternatively, the length directions of the plurality of first sub-fins 151 of the first sub-heat exchanger 150 and the plurality of second sub-fins 161 of the second sub-heat exchanger 160 are identical. The first sub-fins 151 and the second sub-fins 161 may be designed on the same plane or may be designed in a staggered manner. The first sub-fins 151 and the second sub-fins 161 are designed in a matching manner, so that the heat exchange area of the heat exchanger 100 can be increased, and the heat exchange effect of the heat exchanger 100 is improved; in addition, the first sub-fins 151 and the second sub-fins 161 are offset, so that the turbulence of the hot and cold air during heat exchange can be increased, and the overall heat exchange effect of the heat exchanger 100 can be further improved.
In some embodiments, the plurality of first sub-fins 151 of the first sub-heat exchanger 150 and the plurality of second sub-fins 161 of the second sub-heat exchanger 160 can also be arranged at an included angle, the included angle can be adjusted according to actual design requirements, and it is only necessary to ensure that the heat exchanger 100 can perform normal heat exchange by the cross design of the first sub-fins 151 and the second sub-fins 161. Through being the contained angle setting with a plurality of first subfins 151 and a plurality of second subfins 161, can increase the wind channel route of cold and hot wind for more abundant that the heat transfer goes on, thereby improve heat exchanger 100's heat transfer effect.
Optionally, in the embodiment of the present application, the plurality of first sub heat exchange tubes 152 of the first sub heat exchanger 150 and the plurality of second sub heat exchange tubes 162 of the second sub heat exchanger 160 can also be arranged in parallel, where the first sub heat exchange tubes 152 and the second sub heat exchange tubes 162 can be in the same plane design, and can also be in a mutually staggered design. The first sub heat exchange tube 152 and the second sub heat exchange tube 162 are designed in a matching manner, so that the heat exchange area of the heat exchanger 100 can be increased, and the heat exchange effect of the heat exchanger 100 is improved; in addition, the first sub heat exchange tube 152 and the second sub heat exchange tube 162 are designed to be staggered, so that the turbulence degree of the hot and cold air during heat exchange can be improved, and the overall heat exchange effect of the heat exchanger 100 can be further improved.
In other embodiments, the plurality of first sub heat exchange tubes 152 of the first sub heat exchanger 150 and the plurality of second sub heat exchange tubes 162 of the second sub heat exchanger 160 can also be arranged at an included angle, the included angle can be adjusted according to actual design requirements, and it is only necessary to ensure that the heat exchanger 100 can perform normal heat exchange by the cross design of the first sub heat exchange tubes 152 and the second sub heat exchange tubes 162. Through being the contained angle setting with a plurality of first sub heat exchange tubes 152 and a plurality of second sub heat exchange tube 162, the wind channel route of cold and hot wind can be increased equally for what the heat transfer went on is more abundant, thereby improves heat exchanger 100's heat transfer effect.
Alternatively, the first sub heat exchanger 150 and the second sub heat exchanger 160 in the embodiment of the present application can be directly connected together by a connector 180, such as a screw. A connection part 170 is provided at a side of the first sub heat exchanger 150, a through hole is provided on the connection part 170, a fixing hole is provided on a surface of the second sub heat exchanger 160 near the first sub heat exchanger 150, and a connection member 180 passes through the through hole on the first sub heat exchanger 150 and is inserted into the fixing hole in the second sub heat exchanger 160 to connect the first sub heat exchanger 150 and the second sub heat exchanger 160 together.
Of course, the first sub heat exchanger 150 and the second sub heat exchanger 160 can also be connected in other manners, or directly integrated into one piece, only by ensuring that the first sub heat exchanger 150 and the second sub heat exchanger 160 are connected together, which is not limited herein.
Optionally, the distance between the adjacent heat exchange tubes 140 in the first heat exchange zone 110 is smaller than the distance between the adjacent heat exchange tubes 140 in the second heat exchange zone 120. That is, the distribution of the heat exchange tubes 140 in the first heat exchange zone 110 is denser than that of the heat exchange tubes 140 in the second heat exchange zone 120, so that the distribution density of the heat exchange tubes 140 in the first heat exchange zone 110 per unit length is greater than that of the heat exchange tubes 140 in the second heat exchange zone 120 per unit length in the length direction of the fins 130.
In the heat exchanger 100, a plurality of rows of heat exchange tubes 140 can be distributed in the length direction of the fin 130, and a plurality of rows of heat exchange tubes 140 can be distributed in the width direction of the fin 130. In the case that the interval between the adjacent heat exchange tubes 140 in the first heat exchange zone 110 is smaller than the interval between the adjacent heat exchange tubes 140 in the second heat exchange zone 120, the interval can be the interval between the adjacent heat exchange tubes 140 in the same row, the interval between the adjacent heat exchange tubes 140 in the same column, or the interval between the diagonally adjacent heat exchange tubes 140. In the embodiment of the present application, when the distance between the heat exchanging pipes 140 is adjusted, one or more of the distances may be adjusted simultaneously.
It should be noted that, when the distance between the adjacent heat exchange tubes 140 in the first heat exchange zone 110 is smaller than the distance between the adjacent heat exchange tubes 140 in the second heat exchange zone 120, the diameter of the heat exchange tubes 140 in the first heat exchange zone 110 can also be adjusted at the same time. That is, the distance between adjacent heat exchange tubes 140 in the first heat exchange zone 110 can be reduced, and the diameter of the heat exchange tubes 140 in the first heat exchange zone 110 can also be reduced, so that more heat exchange tubes 140 can be distributed in the same area, thereby increasing the heat exchange cross-sectional area of the heat exchange tubes 140 in the first heat exchange zone 110 per unit length and improving the heat exchange effect.
In some embodiments, when the distance between adjacent heat exchange tubes 140 in the first heat exchange zone 110 is reduced, the distribution number of the heat exchange tubes 140 is not changed, but the diameter of the heat exchange tubes 140 is increased, so that the heat exchange cross-sectional area of the heat exchange tubes 140 per unit length in the first heat exchange zone 110 is increased, and the heat exchange efficiency is improved.
Optionally, the distance between adjacent heat exchange tubes 140 in the first heat exchange zone 110 gradually increases along the direction from the middle to both sides of the first heat exchange zone 110. According to the characteristics of wind field distribution in the practical application scene of the heat exchanger 100, the wind field strength of the middle area in the first heat exchange area 110 is greater than the wind field strength of the two sides in the first heat exchange area 110, that is, the heat exchange requirement of the heat exchange tubes 140 on the two sides in the first heat exchange area 110 is less than that of the middle area, and by changing the distance from the middle to the heat exchange tubes 140 on the two sides, the arrangement of unnecessary heat exchange tubes 140 can be reduced, so that the production cost can be reduced while the heat exchange requirement is met.
When the distance between adjacent heat exchange tubes 140 in the first heat exchange zone 110 is changed, the diameter of the heat exchange tubes 140 in the middle area of the first heat exchange zone 110 can also be reduced, so that more heat exchange tubes 140 can be distributed in the same area; or the number of the heat exchange tubes 140 is not changed, and the diameter of the heat exchange tubes 140 is increased, so that the heat exchange cross-sectional area of the heat exchange tubes 140 in the unit length of the middle area of the first heat exchange zone 110 is increased, and the heat exchange efficiency is improved.
It should be noted that the distance between adjacent heat exchange tubes 140 in the first heat exchange zone 110 can be gradually and uniformly increased along the direction from the middle to both sides of the first heat exchange zone 110, and other incremental methods can also be adopted, so that only the heat exchange effect of the first heat exchange zone 110 is satisfied, and meanwhile, unnecessary layout of the heat exchange tubes 140 can be reduced, and the production cost is reduced.
Optionally, the spacing between adjacent heat exchange tubes 140 in the second heat exchange zone 120 gradually increases in a direction away from the first heat exchange zone 110. According to the characteristics of the wind field distribution in the practical application scene of the heat exchanger 100, the wind field intensity close to the first heat exchange area 110 in the second heat exchange area 120 is greater than the wind field intensity far away from the first heat exchange area 110, that is, the heat exchange requirement of the heat exchange tubes 140 close to the first heat exchange area 110 in the second heat exchange area 120 is greater than the heat exchange requirement of the heat exchange tubes 140 far away from the first heat exchange area 110, and by changing the intervals of the heat exchange tubes 140 at different positions in the second heat exchange area 120, the arrangement of unnecessary heat exchange tubes 140 can be reduced, so that the heat exchange requirement can be met, and the production cost can be reduced.
When the distance between adjacent heat exchange tubes 140 in the second heat exchange zone 120 is changed, the diameter of the heat exchange tubes 140 far away from the first heat exchange zone 110 in the second heat exchange zone 120 can be reduced, so that the distance between the heat exchange tubes 140 is increased under the condition that the number of the heat exchange tubes 140 is not changed; or the diameter of the heat exchange tubes 140 is not changed, the distribution number of the heat exchange tubes 140 far away from the first heat exchange zone 110 in the second heat exchange zone 120 is directly reduced to increase the distance between the heat exchange tubes 140, thereby reducing the arrangement of unnecessary heat exchange tubes 140 and reducing the production cost while not affecting the heat exchange effect.
It should be noted that the distance between adjacent heat exchange tubes 140 in the second heat exchange region 120 can be gradually and uniformly increased toward the direction away from the first heat exchange region 110, and other incremental methods can also be adopted, so that only the heat exchange effect of the second heat exchange region 120 is satisfied, and meanwhile, unnecessary layout of the heat exchange tubes 140 can be reduced, and the production cost can be reduced.
Optionally, in this embodiment of the present application, the diameter of the heat exchange tubes 140 of the first heat exchange zone 110 is greater than the diameter of the heat exchange tubes 140 of the second heat exchange zone 120, so that in the length direction of the fins 130, the sum of the cross-sectional areas of the heat exchange tubes 140 in a unit length of the first heat exchange zone 110 is greater than the sum of the cross-sectional areas of the heat exchange tubes 140 in a unit length of the second heat exchange zone 120, so that the heat exchange efficiency of the first heat exchange zone 110 is higher than the heat exchange efficiency of the second heat exchange zone 120 in a unit length.
It should be noted that, when the diameter of the heat exchange tubes 140 is adjusted, the number of the heat exchange tubes 140 in a unit length is kept unchanged in the length direction of the fins 130, so that when the diameter of the heat exchange tubes 140 of the first heat exchange zone 110 is increased, the distance between the adjacent heat exchange tubes 140 of the first heat exchange zone 110 is decreased, or when the diameter of the heat exchange tubes 140 of the second heat exchange zone 120 is decreased, the distance between the adjacent heat exchange tubes 140 of the second heat exchange zone 120 is increased, so that the distribution density of the heat exchange tubes 140 in the unit length of the first heat exchange zone 110 is further increased than the distribution density in the unit length of the heat exchange tubes 120 of the second heat exchange zone 120, and the overall heat exchange efficiency of the heat exchanger 100 is improved.
Optionally, the diameter of the heat exchange tubes 140 in the first heat exchange zone 110 gradually decreases from the middle to both sides of the first heat exchange zone 110. According to the characteristics of wind field distribution in the practical application scene of the heat exchanger 100, the wind field strength of the middle area in the first heat exchange area 110 is greater than the wind field strength of the two ends in the first heat exchange area 110, that is, the heat exchange requirements of the heat exchange tubes 140 at the two ends in the first heat exchange area 110 are less than the heat exchange requirements of the middle area, and by changing the diameter of the heat exchange tubes 140 from the middle to the two ends, the heat exchange effect of the first heat exchange area 110 can be ensured, and meanwhile, the processing cost of the heat exchange tubes 140 is reduced.
It should be noted that the diameter of the heat exchange tubes 140 in the first heat exchange zone 110 can be gradually and uniformly reduced along the direction from the middle to both sides of the first heat exchange zone 110, and other decreasing manners can also be adopted, so that the processing cost of the heat exchange tubes 140 can be reduced while the heat exchange effect of the first heat exchange zone 110 is satisfied.
Optionally, the diameter of the heat exchange tubes 140 in the second heat exchange zone 120 gradually decreases in a direction away from the first heat exchange zone 110. According to the characteristics of the wind field distribution in the practical application scene of the heat exchanger 100, the wind field intensity close to the first heat exchange area 110 in the second heat exchange area 120 is greater than the wind field intensity far away from the first heat exchange area 110, that is, the heat exchange requirement of the heat exchange tubes 140 close to the first heat exchange area 110 in the second heat exchange area 120 is greater than the heat exchange requirement of the heat exchange tubes 140 far away from the first heat exchange area 110, and by changing the diameter distribution of the heat exchange tubes 140 in the second heat exchange area 120, the heat exchange requirement of the second heat exchange area 120 can be met, and meanwhile, the processing cost of the heat exchange tubes 140 is reduced.
It should be noted that the diameter of the heat exchange tube 140 in the second heat exchange region 120 can be gradually and uniformly reduced along the direction away from the first heat exchange region 110, and other decreasing manners can also be adopted, so that the processing cost of the heat exchange tube 140 is reduced while the heat exchange requirement of the second heat exchange region 120 is met.
Optionally, the area of the fin 130 per unit length in the first heat transfer zone 110 is larger than the area per unit length in the second heat transfer zone 120 in the length direction of the fin 130. I.e., the width of the fins 130 in the first heat transfer zone 110 is greater than the width in the second heat transfer zone 120. The heat conduction between the fins 130 and the heat exchange tubes 140 can be performed, and the increase of the width of the fins 130 can increase the contact area between the fins 130 and the cold and hot air, thereby improving the heat exchange efficiency of the heat exchanger 100 in the first heat exchange zone 110.
Wherein, because the heat exchange tubes 140 directly penetrate the fins 130 and are connected with the fins 130, the increase of the width of the fins 130 in the first heat exchange zone 110 is beneficial to arranging more heat exchange tubes 140 under the condition of the same diameter and spacing of the heat exchange tubes 140, so as to further increase the distribution density of the heat exchange tubes 140 within a unit length in the first heat exchange zone 110, which is beneficial to improving the overall heat exchange efficiency of the heat exchanger 100.
In some embodiments, the heat exchanger 100 has a plurality of inlet ends and a plurality of outlet ends, that is, the heat exchange tubes 140 can be independently distributed by using a single heat exchange tube 140, or one end of each two heat exchange tubes 140 is communicated in a U shape or other communication modes, and only the normal circulation of coolants such as refrigerants and the like is required, that is, the heat exchange requirement is required.
In other embodiments, the heat exchanger 100 has only one inlet end and one outlet end, that is, one end of each two heat exchange tubes 140 is connected to each other after being U-shaped, so that all the heat exchange tubes 140 form a connected tube, which helps to reduce the design of the inlet end and the outlet end of the heat exchanger 100 and the manufacturing cost. In actual production and manufacture, the connection mode of the heat exchange tubes 140 in the heat exchanger 100 can be adjusted according to design requirements, and the heat exchange requirement can be met only by ensuring normal circulation of coolants such as refrigerants and the like.
Secondly, the embodiment of the present application further provides an air conditioner, the air conditioner includes a heat exchanger, the specific structure of the heat exchanger refers to the above-mentioned embodiments, and since the air conditioner adopts all the technical solutions of all the above-mentioned embodiments, the air conditioner at least has all the beneficial effects brought by the technical solutions of the above-mentioned embodiments. And will not be described in detail herein.
As shown in fig. 2 and 3, the air conditioner includes a case 200, a blower fan 300, and a heat exchanger 100. The housing 200 includes an air duct, and an inlet 210 and an outlet 220 communicated with the air duct, where fig. 3 is a view of an internal structure of the air conditioner 10 along a direction a in fig. 2, the air duct direction is along an arrow direction in fig. 3, the fan 300 is connected to the housing 200, and an air outlet of the fan 300 is communicated with the inlet 210 of the air duct to realize circulation of air flow in the air duct.
Wherein the blower 300 can be directly mounted in the housing 200, and is close to the inlet 210 of the housing 200. When the air conditioner 10 is in operation, the fan 300 rotates to draw air in from the inlet 210 of the housing 200, and the drawn air flows out from the outlet 220 of the housing 200 through the air duct. Of course, the fan 300 can also be located outside the housing 200, and the air outlet of the fan 300 is communicated with the inlet 210 of the housing 200, and the fan 300 sends the air flow into the housing 200 and then flows out from the outlet 220 of the housing 200 to realize the circulation of the air flow in the air duct.
In the embodiment of the present application, the heat exchanger 100 is disposed in the air duct, and the airflow entering from the inlet 210 of the housing 200 exchanges heat with the heat exchanger 100 in the air duct and then flows out from the outlet 220 of the housing 200, so as to achieve the heating or cooling effect.
Optionally, in the embodiment of the present application, the distance between one end of the plurality of heat exchange tubes 140 and the inlet 210 of the shell 200 is smaller than or greater than the distance between the other end of the plurality of heat exchange tubes 140 and the inlet 210 of the shell 200, that is, the heat exchange tubes 140 are obliquely arranged relative to the fins 130, so that, in the same area range, the contact area between the heat exchange tubes 140 and the inflow airflow is increased, and the length of the flowing path of the cold and hot air in the heat exchanger 100 is long, thereby making the heat exchange more sufficient, and improving the overall heat exchange effect of the heat exchanger 100.
The heat exchange tube 140 is obliquely arranged, which is also beneficial to the flow path design of the air conditioner 10, and when the heat exchange tube 140 is arranged, the arrangement direction of the heat exchange tube 140 can be adjusted according to the wind field direction generated by the fan 300 and the flow direction of the wind, so that the direction of the heat exchange tube 140 is matched with the flow direction of the wind, and the heat exchange of the coolant such as refrigerant and the like in the heat exchange tube 140 and the air is more beneficial to the sufficient heat exchange.
Optionally, included angles between the length directions of the plurality of heat exchange tubes 140 of the heat exchanger 100 and the axial direction of the fan 300 are different, that is, different heat exchange tubes 140 can be designed with different inclination angles and inclination directions according to the actual flow direction, and it is only necessary to ensure that the heat exchange tubes 140 can ensure the heat exchange requirement and the heat exchange effect of the air conditioner 10. Meanwhile, the arrangement of the heat exchange pipes 140 in different directions can increase the turbulence degree of air in the heat exchanger 100, and further improve the heat exchange effect.
The heat exchanger and the air conditioner provided by the embodiments of the present application are described in detail above, and the principle and the embodiments of the present application are explained herein by applying specific examples, and the description of the embodiments above is only used to help understanding the method and the core idea of the present application; meanwhile, for those skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (11)
1. The heat exchanger is characterized by comprising a plurality of fins and a plurality of heat exchange tubes, wherein the fins are arranged in parallel, and the heat exchange tubes sequentially penetrate through the fins;
the heat exchanger comprises a first heat exchange area and a second heat exchange area, and the second heat exchange area is distributed on two opposite sides of the first heat exchange area along the length direction of the fins;
in the length direction of the fins, the distribution density of the heat exchange tubes in a unit length of the first heat exchange area is greater than that of the heat exchange tubes in a unit length of the second heat exchange area.
2. The heat exchanger of claim 1, wherein the heat exchanger comprises a first sub-heat exchanger and a second sub-heat exchanger; the first sub heat exchanger comprises a plurality of first sub fins and a plurality of first sub heat exchange tubes, the plurality of first sub fins are arranged in parallel, and the first sub heat exchange tubes sequentially penetrate through the plurality of first sub fins; the first heat exchanger comprises a first heat exchange area and a second heat exchange area, and the second heat exchange area is distributed on two opposite sides of the first heat exchange area along the length direction of the first sub-fin;
the second heat exchanger is connected with the first heat exchanger and located in the first heat exchange area, the second heat exchanger comprises a plurality of second sub fins and a plurality of second heat exchange sub tubes, the second sub fins are arranged in parallel, and the second heat exchange sub tubes sequentially penetrate through the second sub fins.
3. The heat exchanger of claim 2, wherein the first and second sub-fins are lengthwise identical.
4. The heat exchanger of claim 1, wherein the spacing between adjacent heat exchange tubes in the first heat exchange zone is less than the spacing between adjacent heat exchange tubes in the second heat exchange zone.
5. The heat exchanger of claim 4, wherein the spacing between adjacent heat exchange tubes in the first heat exchange zone increases gradually from the middle to both sides of the first heat exchange zone; and/or the presence of a gas in the gas,
the distance between the adjacent heat exchange tubes in the second heat exchange area is gradually increased along the direction far away from the first heat exchange area.
6. A heat exchanger as claimed in claim 1 wherein the heat exchange tubes of the first heat exchange zone have a diameter greater than the diameter of the heat exchange tubes of the second heat exchange zone.
7. The heat exchanger according to claim 6, wherein the diameter of the heat exchange tubes in the first heat exchange zone gradually decreases from the middle to both sides of the first heat exchange zone; and/or the presence of a gas in the gas,
the diameter of the heat exchange tubes in the second heat exchange zone is gradually reduced along the direction far away from the first heat exchange zone.
8. The heat exchanger of claim 1, wherein the fins have a greater area per unit length in the first heat exchange zone than in the second heat exchange zone in the direction of the fin length.
9. An air conditioner, characterized in that the air conditioner comprises:
the shell comprises an air duct, an inlet and an outlet which are communicated with the air duct;
the fan is connected with the shell, and an air outlet of the fan is communicated with an inlet of the air duct; and
the heat exchanger of any one of claims 1 to 8 disposed within the air duct.
10. An air conditioner according to claim 9, wherein one end of the plurality of heat exchange tubes is located at a distance from the inlet which is smaller or larger than a distance from the other end of the plurality of heat exchange tubes to the inlet.
11. The air conditioner according to claim 10, wherein the plurality of heat exchange tubes of the heat exchanger have different longitudinal directions from each other with respect to an axial direction of the fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121012890.XU CN215929850U (en) | 2021-05-12 | 2021-05-12 | Heat exchanger and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121012890.XU CN215929850U (en) | 2021-05-12 | 2021-05-12 | Heat exchanger and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215929850U true CN215929850U (en) | 2022-03-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121012890.XU Active CN215929850U (en) | 2021-05-12 | 2021-05-12 | Heat exchanger and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215929850U (en) |
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2021
- 2021-05-12 CN CN202121012890.XU patent/CN215929850U/en active Active
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