CN107388636B - Heat exchanger and air conditioner with same - Google Patents

Heat exchanger and air conditioner with same Download PDF

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Publication number
CN107388636B
CN107388636B CN201610322388.6A CN201610322388A CN107388636B CN 107388636 B CN107388636 B CN 107388636B CN 201610322388 A CN201610322388 A CN 201610322388A CN 107388636 B CN107388636 B CN 107388636B
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China
Prior art keywords
heat exchange
wave
row
heat exchanger
tubes
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CN107388636A (en
Inventor
车雯
于博
吴俊鸿
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B39/00—Evaporators; Condensers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/30—Arrangement or mounting of heat-exchangers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

The invention provides a heat exchanger which comprises a corrugated sheet type heat exchange fin (1) with a plurality of wave crests and a plurality of wave troughs, and heat exchange tubes (2) arranged between adjacent wave crests, wherein the range from one wave crest to the next wave crest without the next wave crest is a row of wave crests, the included angle formed by the wave crest position of each row of wave crests is the inclination angle of the wave crest, the vertical distance between the wave crest and the wave trough of each row of wave crests is the wave crest height, the degree of the inclination angles is not identical, and the wave crest heights are not identical. The heat exchanger provided by the invention has the advantages that the distribution of the temperature field of the heat exchanger is more turbulent, the heat exchange process is more severe, and the heat exchange effect is improved, so that compared with the corrugated sheet with uniform inclination angle in the prior art, the heat exchanger provided by the invention has better heat exchange effect, and the heat exchange performance of the whole machine is improved. The invention also relates to an air conditioner with the heat exchanger.

Description

Heat exchanger and air conditioner with same
Technical Field
The invention belongs to the technical field of air conditioners, and particularly relates to a heat exchanger and an air conditioner with the heat exchanger.
Background
With the development of technology, air conditioner heat exchangers are continuously innovated and improved in various aspects to improve the heat exchange performance. Because the main thermal resistance of the heat exchanger is located on the air side, the heat exchange of the fins on the outside of the tube is again a major factor limiting the efficiency of the heat exchanger. Therefore, enhancing the air side heat exchange effect is the most effective means to improve the overall heat exchange performance of the heat exchanger. Most heat exchangers in the prior art adopt corrugated sheets with uniform inclination angles for heat exchange, and better heat exchange effects of the corrugated sheets are not reflected, so that the heat exchange capacity of the heat exchanger is limited and the required effects cannot be achieved.
Because the air conditioner heat exchanger in the prior art has the technical problems of limited heat exchange capacity, unreachable required effect and the like, the invention designs a heat exchanger and an air conditioner with the heat exchanger.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to overcome the defects that the heat exchanger in the prior art has limited heat exchange capacity and cannot achieve the required effect, so as to provide the heat exchanger and the air conditioner with the heat exchanger.
The invention provides a heat exchanger, which comprises a heat exchange fin in the form of a corrugated sheet with a plurality of wave crests and a plurality of wave troughs, and a heat exchange tube arranged between adjacent wave crests, wherein the range from one wave crest to the next wave crest without the next wave crest is a row of wave crests, the wave crest position of each row of wave crests forms an included angle which is the inclination angle of the wave crest, the vertical distance between the wave crest and the wave trough of each row of wave crests is the wave crest height, the degree of the inclination angles is not identical, and the wave crest heights are not identical.
Preferably, the degrees of the inclination angles are gradually reduced in the flowing direction of the airflow; or, the degrees of the inclination angles are in a structure form and arrangement that the front section is reduced and the rear section is increased along the flow direction of the airflow; alternatively, in the range of the corrugations in which one of the heat exchange tubes is located, the inclination angle at the upstream position is larger than the inclination angle at the downstream position in the direction of flow of the air flow, among the inclination angles of the adjacent two corrugations.
Preferably, the heat exchange tubes are arranged in rows and are arranged in two rows, and the two rows of heat exchange tubes are separated by a row of corrugated distance.
Preferably, in the range of the two rows of heat exchange tubes, the number of the inclination angles is four along the flow direction of the air flow, and the inclination angles are defined as alpha respectively 1 、α 2 、α 3 、α 4 The height of the corrugation is h respectively 1 、h 2 、h 3 、h 4 And has alpha 1 ＞α 2 ＞α 3 ＞α 4 And h is 1 ＜h 2 ＜h 3 ＜h 4 。
Preferably, the height of the corrugation of the four corrugated sheets with the same inclination angle is h 0 And in the range of the two rows of heat exchange tubes, the height of the plurality of waves has the size relation of h 1 ＜h 2 ＜h 0 ＜h 3 ＜h 4 。
Preferably, in the range of the two rows of heat exchange tubes, the number of the inclined angles is four along the flow direction of the air flow, and the inclined angles are respectively alpha 1 、α 2 、α 3 、α 4 The height of the corrugation is h respectively 1 、h 2 、h 3 、h 4 And has alpha 1 ＞α 2 、α 3 ＞α 4 And h is 1 ＜h 2 、h 3 ＜h 4 。
Preferably, in the range of the two rows of heat exchange tubes, the number of the inclined angles is four along the flow direction of the air flow, and the inclined angles are respectively alpha 1 、α 2 、α 3 、α 4 The height of the corrugation is h respectively 1 、h 2 、h 3 、h 4 And has alpha 1 ＞α 2 、α 3 ＜α 4 And h is 1 ＜h 2 、h 3 ＞h 4 。
Preferably, heat exchange holes are formed in the heat exchange fin at positions between adjacent wave crests, a row of corrugated distances are arranged between two adjacent heat exchange holes, and the heat exchange tubes are arranged at the positions of the heat exchange holes in a mode of penetrating through the heat exchange holes.
Preferably, the cross section of each of the heat exchange tubes is circular, and the tube diameters of the heat exchange tubes are the same.
The invention also provides an air conditioner which comprises the heat exchanger, wherein the heat exchange tube is a refrigerant tube.
The heat exchanger and the air conditioner with the heat exchanger have the following beneficial effects:
according to the heat exchanger, the included angles and the wave heights between wave crest positions of the wave sheets of the heat exchanger are changed from the original structure forms that the included angles are the same and the wave heights are the same, namely, the included angles are not the same along the flowing direction of fluid, and the wave heights are not the same.
Drawings
FIG. 1 is a front view (plan view) of a partial structure of a heat exchanger of the present invention;
fig. 2 is a right side view (right side view) of the first embodiment in fig. 1;
fig. 3 is a right side view (right side view) of the second embodiment in fig. 1;
fig. 4 is a right side view (right side view) of the third embodiment in fig. 1.
The reference numerals in the drawings are as follows:
1-heat exchange fin and 2-heat exchange tube.
Detailed Description
As shown in fig. 1 to 4, the present invention provides a heat exchanger comprising heat exchange fins 1 in the form of corrugated sheets having a plurality of peaks and a plurality of valleys, and heat exchange tubes 2 disposed between adjacent peaks, wherein the range from one peak to the next peak not including the next peak is a row of corrugations, the included angle at the peak position of each row of corrugations is the inclination angle (the included angle being less than or equal to 180 degrees, i.e., the angle below the fin 1 in the drawing) of the row of corrugations, the vertical distance between the peak and the valley of each row of corrugations is the height of the corrugations thereof, and the degrees of the inclined angles are not exactly the same, and the heights of the corrugations are not exactly the same.
According to the heat exchanger, the included angles and the wave heights between wave crest positions of the wave sheets of the heat exchanger are changed from the original structure forms that the included angles are the same and the wave heights are the same, namely, the included angles are not the same along the flowing direction of fluid, and the wave heights are not the same.
Preferably, a plurality of degrees of the inclination angles are in a gradually decreasing structural form and arrangement along the flowing direction of the airflow (as shown in fig. 2); alternatively, the degrees of the inclination angles are in a structure form and arrangement of one section by one section along the flowing direction of the airflow (as shown in fig. 4); alternatively, in the range of the corrugations in which one of the heat exchange tubes 2 is located, the inclination angle at the upstream position is larger than the inclination angle at the downstream position in the flow direction of the air flow in the inclination angles of the adjacent two corrugations (as shown in fig. 3). The three different inclination angles of the heat exchanger are arranged in the invention, namely, in the flowing direction of the air flow, the inclination angles are set to be gradually decreasing structures, so that the height of the corrugation is gradually increasing in the direction, and thus, strong disturbance can be formed on the air flow more preferably, and the heat exchange effect is enhanced to the maximum extent; the inclination angle is set to be in a gradually increasing structure, so that the height of the corrugation can be gradually decreased in the direction, disturbance to air flow can be enhanced, distribution of a temperature field is disordered relative to the condition that the inclination angle is uniform, and the heat exchange effect is improved; the inclination angle is set to be in a structure form of increasing part and decreasing part, the corrugated height can be formed into a structure of decreasing front section and increasing rear section in the airflow flowing direction, disturbance to airflow is also enhanced, temperature field distribution becomes more turbulent, and heat exchange effect is improved.
Preferably, the heat exchange tubes 2 are arranged in rows and are arranged in two rows, and the two rows of heat exchange tubes are separated by a row of corrugated distance. The arrangement structure for arranging the heat exchange tubes into two rows is a preferable arrangement form and a structural mode of the heat exchange tubes, the two rows of heat exchange tubes are separated by a row of corrugated distance, the heat exchange effect of the heat exchanger can be reduced because the two rows of heat exchange tubes are not too far apart, the heat exchange effect of the heat exchanger is not reduced because the two rows of heat exchange tubes are too close to each other, the flow resistance of air flow is too large, the flow speed of the air flow is too low, the heat exchange tubes are just arranged at the position of the width of the row of corrugated width, the air flow can furthest flow through the heat exchange fins to strengthen the heat exchange effect, and the heat exchange holes are formed in a simpler and more convenient way.
Preferably, in the range of the two rows of heat exchange tubes, the number of the inclination angles is four along the flow direction of the air flow, and the inclination angles are defined as alpha respectively 1 、α 2 、α 3 、α 4 The height of the corrugation is h respectively 1 、h 2 、h 3 、h 4 And has alpha 1 ＞α 2 ＞α 3 ＞α 4 And h is 1 ＜h 2 ＜h 3 ＜h 4 The method comprises the steps of carrying out a first treatment on the surface of the The heat exchange device is the most preferable structure and implementation mode in the scheme of the range of the two rows of heat exchange tubes, and can form a structure form that the inclination angle gradually decreases along the airflow flowing direction and the ripple height gradually increases, so that when the air passes through the ripple sheet with the gradually increasing inclination angle, the disturbance degree of the air to the air flow increases along with the increase of the inclination angle, the distribution of a temperature field also becomes more and more turbulent, the heat exchange process is also more intense (strongest), the pressure drop of the heat exchange device is also small for the unit heat exchange quantity, the heat exchange characteristic is good, and the heat exchange effect of the heat exchanger can be improved.
Preferably, the corrugation height of the corrugated sheet when the four inclination angles are equal in size (namely, the inclination angles are uniform) is h 0 And in the range of the two rows of heat exchange tubes, the height of the plurality of waves has the size relation of h 1 ＜h 2 ＜h 0 ＜h 3 ＜h 4 . This is a more preferable construction of the heat exchanger with corrugated fin fins in which the inclination angle in the direction of flow of the air flow is gradually decreased and the height of the corrugations is gradually increased, so that the height of the corrugations (h 1 、h 2 ) Height (h) of the corrugations when the inclination angles are uniformly arranged 0 ) Low, with the progressive increase of the corrugation height at the later stage (h) 3 、h 4 ) Height (h) of the corrugations when the inclination angles are uniformly arranged 0 ) To be high, a monotonically increasing structure is formed, so that the disturbance intensity is gradually increased.
Preferably, in the range of the two rows of heat exchange tubes, the number of the inclined angles is four along the flow direction of the air flow, and the inclined angles are respectively alpha 1 、α 2 、α 3 、α 4 The height of the corrugation is h respectively 1 、h 2 、h 3 、h 4 And has alpha 1 ＞α 2 、α 3 ＞α 4 And h is 1 ＜h 2 、h 3 ＜h 4 . This is another preferred structure and embodiment among the range of the two rows of heat exchange tubes, and can form the structure that the inclination angles in the airflow flowing direction are respectively reduced and the wave heights are respectively generatedThe incremental structural form is that when gas sweeps through the corrugated sheets with gradually increased dip angles, the disturbance degree of the gas to the gas flow is increased in a stepwise manner along with the increase of the dip angles, the distribution of the temperature fields is relatively disordered, the heat exchange process is relatively (even and consistent compared with the dip angles) vigorous, the heat exchange characteristic is good, the heat exchange effect of the heat exchanger can be improved, and the heat exchange performance of the whole machine is further improved.
Preferably, in the range of the two rows of heat exchange tubes, the number of the inclined angles is four along the flow direction of the air flow, and the inclined angles are respectively alpha 1 、α 2 、α 3 、α 4 The height of the corrugation is h respectively 1 、h 2 、h 3 、h 4 And has alpha 1 ＞α 2 、α 3 ＜α 4 And h is 1 ＜h 2 、h 3 ＞h 4 . The heat exchange device is another preferred structure and implementation mode in the range of the two rows of heat exchange tubes, and can form a structure form that the inclination angle firstly decreases and then increases along the airflow flowing direction, the ripple height firstly increases and then decreases, so that when the air passes through the inclination angle increasing ripple sheet, the disturbance degree of the air flow is increased and then decreased along with the increase of the inclination angle, the distribution of a temperature field is relatively disordered, the heat exchange process is relatively (compared with the uniform and consistent inclination angle), the heat exchange property is good, the heat exchange effect of the heat exchanger can be improved, and the heat exchange performance of the whole heat exchange device is further improved.
Preferably, heat exchange holes are formed in the heat exchange fin 1 at positions between adjacent wave crests, and a row of corrugated distances are formed between two adjacent heat exchange holes, and the heat exchange tubes 2 are arranged at the positions of the heat exchange holes in a mode of penetrating through the heat exchange holes. The heat exchange tube can be effectively contained and positioned and fixed by arranging the heat exchange holes, the heat exchange holes are arranged at positions between adjacent wave crests of the heat exchange fins and are separated by a row of corrugated distances, so that air flow around the heat exchange tubes can flow through the heat exchange fins to the greatest extent to strengthen the heat exchange effect, and the heat exchange holes are formed in a simple and convenient manner.
Preferably, the cross-sectional shape of a plurality of heat exchange tubes 2 is circular, and the tube diameters are the same. The heat exchange tube is in a preferable shape and a structural form, and the universal parts are selected so that the heat exchange tube is more convenient to process and manufacture, and the cost is effectively saved.
The invention also provides an air conditioner which comprises the heat exchanger, and the heat exchange tube 2 is a refrigerant tube. According to the air conditioner with the heat exchanger, the included angle and the ripple height between the wave crest positions of the corrugated sheets of the heat exchanger are changed from the original structural forms that the included angles are not identical and the ripple heights are not identical along the flowing direction of fluid from the original structural forms that the included angles are not identical and the ripple heights are not identical, when gas passes through the corrugated sheets with uniform inclination angles, the fluctuation of the surface of the corrugated sheets has strong disturbance on the airflow and intense heat exchange process, so that the temperature field distribution is relatively disturbed, the more intense the heat exchange process is, and the heat exchange effect is improved.
The working principle and preferred embodiments of the present invention will be described below
The invention changes the inclination angle of the corrugated sheet on the basis of the common uniform inclination angle corrugated sheet of the air conditioner heat exchanger fin, thereby improving the heat exchange effect of the condenser and further improving the heat exchange performance of the whole machine.
Embodiment 1: the structure of the invention is schematically shown in figures 1 and 2, and comprises a plurality of refrigerant pipes 2 and fins 1 tightly sleeved on the refrigerant pipes 2, wherein two rows of fins along the flow direction of a heat exchange medium are corrugated sheets with gradually reduced inclination angles, and the fins are sleeved on the refrigerant pipes 2.
The fins 1 are corrugated sheets with gradually increasing inclination angles, the inclination angles are shown in fig. 2, wherein the inclination angles are included angles (included angles smaller than or equal to 180 degrees, namely angles below the fins in the drawing) formed at the wave crest positions of each row of the corrugations, and the height of the corrugations is the vertical distance between the wave crest and the wave trough of each row of the corrugated sheets. While the inclination angles are alpha respectively along the fluid flow direction 1 、α 2 、α 3 、α 4 And has a size of alpha 1 ＞α 2 ＞α 3 ＞α 4 ；h 0 The height of the fin corrugation is h along the fluid flow direction when the corrugation height of the corrugated sheet is equal to the inclination angle 1 、h 2 、h 3 H4 is of the size h 1 ＜h 2 ＜h 0 ＜h 3 ＜h 4 . Compared with the corrugated sheets with uniform inclination angles, when the gas passes through the corrugated sheets with increasing inclination angles, the disturbance degree of the gas to the gas flow is increased along with the increase of the inclination angles, the distribution of the temperature field is also more and more disturbed, the heat exchange process is more and more intense, meanwhile, the pressure drop of the corrugated sheets per unit heat exchange amount is also small, the heat exchange characteristic is good, and the heat exchange effect of the heat exchanger can be improved.
The refrigerant tube 2 has a circular cross-sectional shape, and the two rows of refrigerant tubes have the same tube diameter.
Embodiment 2: the schematic structure of this embodiment is shown in fig. 1 and 3. Wherein, the fins of the first row of fins 1 and the second row of fins 1 which are sleeved on the refrigerant pipe 2 along the flowing direction of the heat exchange medium are respectively corrugated plates with gradually increased inclination angles.
The two rows of fins 1 are corrugated sheets with gradually increased inclination angles respectively, the inclination angles are shown in fig. 3, wherein the inclination angles are included angles between two wave crests of the corrugated sheets, and the height of the waves is the vertical distance between the wave crests and the wave troughs of the corrugated sheets. At the same time respectively alpha along the fluid flow direction 1 、α 2 、α 3 、α 4 A size of alpha 1 ＞α 2 、α 3 ＞α 4 The method comprises the steps of carrying out a first treatment on the surface of the The height of the fin corrugation is h along the fluid flow direction 1 、h 2 、h 3 、h 4 The size is h 1 ＜h 2 、h 3 ＜h 4 . Compared with the corrugated sheet with uniform inclination angle, the corrugated sheet has good heat exchange characteristic, and can improve the heat exchange effect of the heat exchanger, thereby improving the heat exchange performance of the whole machine.
The other structure is the same as that of the first embodiment.
Embodiment 3: the schematic structure of this embodiment is shown in fig. 1 and 4. Wherein, the fins of the first row of fins 1 and the second row of fins 1 which are sleeved on the refrigerant pipe 2 along the flowing direction of the heat exchange medium are the corrugated plates with the inclination angles increased first and then reduced.
The fin 1 is a corrugated sheet with the inclination angle increased and then decreased, and the inclination angle is shown in fig. 4, wherein the inclination angle is the included angle between two wave crests of the corrugated sheet, and the corrugated height is the vertical distance between the wave crests and the wave troughs of the corrugated sheet. At the same time respectively alpha along the fluid flow direction 1 、α 2 、α 3 、α 4 A size of alpha 1 ＞α 2 、α 3 ＜α 4 The method comprises the steps of carrying out a first treatment on the surface of the The height of the fin corrugation is h along the fluid flow direction 1 、h 2 、h 3 、h 4 The size is h 1 ＜h 2 、h 3 ＞h 4 . Compared with the corrugated sheet with uniform inclination angle, the corrugated sheet has good heat exchange characteristic, and can improve the heat exchange effect of the heat exchanger, thereby improving the heat exchange performance of the whole machine.
The other structure is the same as that of the first embodiment.
It will be readily appreciated by those skilled in the art that the above advantageous ways can be freely combined and superimposed without conflict.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention. The foregoing is merely a preferred embodiment of the present invention, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present invention, and these modifications and variations should also be regarded as the scope of the invention.

Claims (4)

1. A heat exchanger, characterized in that: comprises a heat exchange fin (1) in the form of a corrugated sheet having a plurality of peaks and a plurality of valleys, and a heat exchange tube (2) arranged between adjacent peaks, wherein the range from one peak to the next peak and not including the next peak is a row of corrugations, and an included angle formed at the peak position of each row of corrugations is an included angle of the row of corrugations, and the included angle is less than or equal to 180 degrees; the vertical distance between the wave crest and the wave trough of each row of waves is the wave height of each row of waves, the degrees of the inclination angles are not identical, and the wave heights are not identical;
the degrees of the inclination angles are in a structure form and arrangement that the front section is reduced and the rear section is increased along the flow direction of the airflow; the heat exchange tubes (2) are arranged in rows and are of a two-row arrangement structure, and a row of corrugated distances are reserved between the two rows of heat exchange tubes; in the range of the two rows of heat exchange tubes, along the flow direction of the air flow, the range of the heat exchange tube positioned at the upstream is the front section, the range of the heat exchange tube positioned at the downstream is the rear section, the number of the dip angles is four, and the dip angles are respectively alpha 1 、α 2 、α 3 、α 4 The height of the corrugation is h respectively 1 、h 2 、h 3 、h 4 And has alpha 1 ＞α 2 、α 3 ＜α 4， And h 1 ＜h 2 、h 3 ＞h 4 。
2. The heat exchanger of claim 1, wherein: heat exchange holes are formed in the positions, located between adjacent wave crests, of the heat exchange fins (1), a row of corrugated distances are arranged between two adjacent heat exchange holes, and the heat exchange tubes (2) are arranged at the positions of the heat exchange holes in a mode of penetrating through the heat exchange holes.
3. The heat exchanger according to one of claims 1 to 2, wherein: the cross sections of the heat exchange tubes (2) are round, and the tube diameters of the heat exchange tubes are the same.
4. An air conditioner, characterized in that: a heat exchanger comprising one of claims 1-3, said heat exchange tubes (2) being refrigerant tubes.
CN201610322388.6A 2016-05-16 2016-05-16 Heat exchanger and air conditioner with same Active CN107388636B (en)

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CN107388636B true CN107388636B (en) 2023-09-01

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4691768A (en) * 1985-12-27 1987-09-08 Heil-Quaker Corporation Lanced fin condenser for central air conditioner
JP2008180468A (en) * 2007-01-25 2008-08-07 Univ Of Tokyo Heat exchanger
CN203231680U (en) * 2013-03-29 2013-10-09 郑州大学 Corrugated fin of finned tube heat exchanger
CN104110988A (en) * 2014-08-01 2014-10-22 兰州交通大学 Streamline variable-amplitude sine/cosine-shaped wavy fin for round tube fin heat exchanger
CN205784007U (en) * 2016-05-16 2016-12-07 珠海格力电器股份有限公司 A kind of heat exchanger and there is its air-conditioning

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4691768A (en) * 1985-12-27 1987-09-08 Heil-Quaker Corporation Lanced fin condenser for central air conditioner
JP2008180468A (en) * 2007-01-25 2008-08-07 Univ Of Tokyo Heat exchanger
CN203231680U (en) * 2013-03-29 2013-10-09 郑州大学 Corrugated fin of finned tube heat exchanger
CN104110988A (en) * 2014-08-01 2014-10-22 兰州交通大学 Streamline variable-amplitude sine/cosine-shaped wavy fin for round tube fin heat exchanger
CN205784007U (en) * 2016-05-16 2016-12-07 珠海格力电器股份有限公司 A kind of heat exchanger and there is its air-conditioning

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