WO2018098989A1 - 换热翅片、多折式换热器和空调器 - Google Patents

换热翅片、多折式换热器和空调器 Download PDF

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Publication number
WO2018098989A1
WO2018098989A1 PCT/CN2017/082453 CN2017082453W WO2018098989A1 WO 2018098989 A1 WO2018098989 A1 WO 2018098989A1 CN 2017082453 W CN2017082453 W CN 2017082453W WO 2018098989 A1 WO2018098989 A1 WO 2018098989A1
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WO
WIPO (PCT)
Prior art keywords
unit
fins
fin
distance
mounting holes
Prior art date
Application number
PCT/CN2017/082453
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English (en)
French (fr)
Inventor
赵夫峰
林竹
刘亚军
周雷
刘乾坤
陈华伟
张�浩
Original Assignee
美的集团武汉制冷设备有限公司
美的集团股份有限公司
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Application filed by 美的集团武汉制冷设备有限公司, 美的集团股份有限公司 filed Critical 美的集团武汉制冷设备有限公司
Publication of WO2018098989A1 publication Critical patent/WO2018098989A1/zh

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Classifications

    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/02—Header boxes; End plates
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/26—Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators

Definitions

  • the invention relates to the technical field of air conditioners, in particular to a heat exchange fin, a multi-fold heat exchanger and an air conditioner.
  • the poly-type heat exchanger used in the existing air conditioner is generally composed of a plurality of independent sub-heat exchangers. After each sub-heat exchanger is separately formed, the end plates of the plurality of sub-heat exchangers are connected to the connecting plate by screws. Together, form a multi-fold heat exchanger. For the multi-fold heat exchanger of this structure, each sub-heat exchanger needs to be separately formed, and then the end plate is connected with the connecting plate, and there are many processes, resulting in low production efficiency of the multi-fold heat exchanger.
  • a primary object of the present invention is to provide a heat exchange fin for the purpose of improving the assembly efficiency of a multi-fold heat exchanger.
  • the heat exchange fin of the present invention comprises a plurality of unit fins arranged in a row and a strip connecting piece disposed between two adjacent unit fins, the strip shape Both ends of the connecting piece are respectively connected to two adjacent unit fins.
  • the heat exchange fin further includes an auxiliary connecting piece disposed between two adjacent unit fins, and two ends of the auxiliary connecting piece and two adjacent unit fins respectively Connected, the auxiliary connecting piece has a gap with the strip connecting piece at a corresponding position.
  • the plurality of unit fins have the same width.
  • the unit fins are provided with a plurality of first mounting holes for mounting the heat exchange tubes, and the plurality of the first mounting holes are arranged in a plurality of rows arranged in parallel, each row including a plurality of units along the unit
  • the first mounting holes are disposed at a uniform interval in the longitudinal direction of the fins, and in the same one of the unit fins, the first mounting holes of two adjacent rows are staggered, and the first two of the two rows are adjacent to each other.
  • the mounting holes are spaced apart by a first distance, and any one of the first mounting holes is spaced apart from the other two of the adjacent ones of the adjacent rows by a second distance.
  • the first mounting holes of at least two of the unit fins have the same aperture; the first mounting holes have the first distances of the two unit fins having the same aperture, the first distance The second distances of the two unit fins having the same aperture of a mounting hole are equal.
  • the first mounting holes of the at least two adjacently disposed unit fins have the same aperture; the first mounting hole of one of the unit fins closest to the abutment, and the other one
  • the first mounting holes closest to the abutment in the unit fins are spaced apart by a first distance or a second distance.
  • At least one of the unit fins is further provided with a plurality of second mounting holes for mounting the heat exchange tubes, the first mounting holes and the second mounting holes have the same aperture, and the same one of the unit wings
  • the second mounting hole is spaced apart from the first one of the first mounting holes by the first distance or the second distance corresponding to the unit fin; the second mounting hole is adjacent to the nearest one.
  • Another of the second mounting holes is spaced apart from the first distance or the second distance corresponding to the unit fins.
  • the first mounting holes of the at least two adjacently disposed unit fins have the same aperture; the second mounting hole of the unit fin group closest to the abutment, and the other The first mounting holes closest to the adjacent ones of the unit fins are spaced apart by a first distance or a second distance; or, the second mounting holes of the one of the unit fin sets closest to the abutting, and the other The second mounting holes of the unit fins closest to the abutment are spaced apart by a first distance or a second distance.
  • the first mounting holes of at least two of the unit fins have different apertures.
  • the first mounting hole of one of the unit fins has an aperture of 3-6 mm, and a ratio of the first distance corresponding to the unit fin to the second distance corresponding to the unit fin is 1.2 -1.7;
  • the first mounting hole of the other unit fin has an aperture of 6-8 mm, and a ratio of the first distance corresponding to the unit fin to the second distance corresponding to the unit fin is 1-1.5.
  • the invention also provides a multi-fold heat exchanger comprising: a side plate, a plurality of heat exchange fins arranged in a stack, and a plurality of heat exchange tubes, the plurality of stacked heat discharge tubes a heat exchange fin is disposed on one side of the side plate, and the heat exchange fin includes a plurality of unit fins arranged in a row and a strip connecting piece disposed between two adjacent unit fins The two ends of the strip connecting piece are respectively connected with two adjacent unit fins, and the plurality of unit fins of the corresponding position of the heat exchange fin constitute a unit fin group; the heat exchange The tube is mounted on the side panel and is disposed through the corresponding unit fin group.
  • the heat exchange fin further includes an auxiliary connecting piece disposed between two adjacent unit fins, and two ends of the auxiliary connecting piece and two adjacent unit fins respectively Connected, the auxiliary connecting piece has a gap with the strip connecting piece at a corresponding position.
  • the plurality of unit fins have the same width.
  • the unit fins are provided with a plurality of first mounting holes for mounting the heat exchange tubes, and the plurality of the first mounting holes are arranged in a plurality of rows arranged in parallel, each row including a plurality of units along the unit
  • the first mounting holes are disposed at a uniform interval in the longitudinal direction of the fins, and in the same one of the unit fins, the first mounting holes of two adjacent rows are staggered, and the first two of the two rows are adjacent to each other.
  • the mounting holes are spaced apart by a first distance, and any one of the first mounting holes is spaced apart from the other two of the adjacent ones of the adjacent rows by a second distance.
  • the first mounting holes of at least two of the unit fins have the same aperture; the first mounting holes have the first distances of the two unit fins having the same aperture, the first distance The second distances of the two unit fins having the same aperture of a mounting hole are equal.
  • the first mounting holes of the at least two adjacently disposed unit fins have the same aperture; the first mounting hole of one of the unit fins closest to the abutment, and the other one
  • the first mounting holes closest to the abutment in the unit fins are spaced apart by a first distance or a second distance.
  • At least one of the unit fins is further provided with a plurality of second mounting holes for mounting the heat exchange tubes, the first mounting holes and the second mounting holes have the same aperture, and the same one of the unit wings
  • the second mounting hole is spaced apart from the first one of the first mounting holes by the first distance or the second distance corresponding to the unit fin; the second mounting hole is adjacent to the nearest one.
  • Another of the second mounting holes is spaced apart from the first distance or the second distance corresponding to the unit fins.
  • the first mounting holes of the at least two adjacently disposed unit fins have the same aperture; the second mounting hole of the unit fin group closest to the abutment, and the other The first mounting holes closest to the adjacent ones of the unit fins are spaced apart by a first distance or a second distance; or, the second mounting holes of the one of the unit fin sets closest to the abutting, and the other The second mounting holes of the unit fins closest to the abutment are spaced apart by a first distance or a second distance.
  • the first mounting holes of at least two of the unit fins have different apertures.
  • the first mounting hole of one of the unit fins has an aperture of 3-6 mm, and a ratio of the first distance corresponding to the unit fin to the second distance corresponding to the unit fin is 1.2 -1.7;
  • the first mounting hole of the other unit fin has an aperture of 6-8 mm, and a ratio of the first distance corresponding to the unit fin to the second distance corresponding to the unit fin is 1-1.5.
  • the invention also provides an air conditioner, comprising a multi-fold heat exchanger, the multi-fold heat exchanger comprising: a side plate, a plurality of heat exchange fins arranged in a stack, and a plurality of heat exchange tubes, a plurality of stacked heat exchange fins disposed on one side of the side plate, the heat exchange fins including a plurality of unit fins arranged in a row and two adjacent unit fins disposed adjacent to each other a strip-shaped connecting piece, the two ends of the strip-shaped connecting piece are respectively connected with two adjacent unit fins, and the plurality of unit fins of the corresponding position of the heat-exchange fin form a unit-wing a heat exchange tube is mounted on the side plate and is disposed through the corresponding unit fin group.
  • the heat exchange fins comprise a plurality of unit fins arranged in a row, and when the heat exchange fins are applied in the multi-fold heat exchanger, the plurality of heat exchange fins are arranged by stacking So that the unit fins of the corresponding positions of the plurality of heat exchange fins form a unit fin group, and each unit fin group and the inserted heat exchange tube and the corresponding plate body together form an independent heat exchange portion,
  • the multi-fold heat exchanger can be divided into a plurality of heat exchange parts, and the adjacent two heat exchange parts are arranged in a V shape or a shape, so that the multi-fold heat exchanger is bent and set; wherein, the plurality of unit fins pass
  • the strip connecting pieces are sequentially connected into one whole, so that all the unit fins of the entire heat exchange fin can be cut and formed at one time, and the fins of each heat exchange portion are separately formed with respect to the existing multi-fold heat exchanger.
  • the production efficiency of the heat exchange fins can be improved.
  • the unit fins are connected by the strip connecting pieces, and when the multi-fold heat exchanger is assembled, the strip connecting pieces can be bent as needed, so that the unit fins are not changed.
  • the shape of the multi-fold heat exchanger bend setting, due to The strip connecting piece has already connected the adjacent two unit fins, thereby simplifying the alignment operation when the heat exchange portion is mounted, thereby further improving the assembly efficiency of the corresponding multi-fold heat exchanger.
  • FIG. 1 is a schematic structural view of an embodiment of a heat exchange fin of the present invention
  • FIG. 2 is a schematic structural view of another embodiment of a heat exchange fin of the present invention.
  • FIG. 3 is a schematic structural view showing a state in which the heat exchange fins shown in FIG. 2 are bent;
  • FIG. 4 is a schematic structural view showing a bending state of still another embodiment of the heat exchange fin of the present invention.
  • Fig. 5 is a schematic view showing the structure of an embodiment of a multi-fold heat exchanger according to the present invention.
  • the directional indication is only used to explain in a certain posture (as shown in the drawing)
  • the relative positional relationship between the components, the motion situation, and the like if the specific posture changes, the directional indication also changes accordingly.
  • first”, “second”, etc. in the embodiments of the present invention, the description of the "first”, “second”, etc. is used for the purpose of description only, and is not to be construed as an Its relative importance or implicit indication of the number of technical features indicated.
  • features defining “first” or “second” may include at least one of the features, either explicitly or implicitly.
  • the technical solutions between the various embodiments may be combined with each other, but must be based on the realization of those skilled in the art, and when the combination of the technical solutions is contradictory or impossible to implement, it should be considered that the combination of the technical solutions does not exist. It is also within the scope of protection required by the present invention.
  • the invention proposes a heat exchange fin.
  • the heat exchange fin 100 includes a plurality of unit fins 110 arranged in a row and disposed between two adjacent unit fins 110.
  • the strip-shaped connecting piece 120 has two ends connected to the adjacent two of the unit fins 110, respectively.
  • the heat exchange fin 100 includes a plurality of unit fins 110 arranged in a row, and the heat exchange fins 100 are applied to the multi-fold heat exchanger by passing a plurality of heat exchange fins 100
  • the arrangement is such that the unit fins 110 of the corresponding positions of the plurality of heat exchange fins 100 constitute a unit fin 110 group, and each unit fin 110 group is shared with the heat exchange tube 300 and the corresponding plate body.
  • the utility model comprises an independent heat exchange part, wherein the multi-fold heat exchanger can be divided into a plurality of heat exchange parts, and the adjacent two heat exchange parts are arranged in a V shape or a shape, thereby realizing the bending arrangement of the multi-fold heat exchanger
  • the plurality of unit fins 110 are sequentially connected as a whole through the strip connecting piece 120, so that all the unit fins 110 of the entire heat exchange fin 100 can be cut and formed at one time, compared to the existing multi-fold heat exchanger
  • the unit fins 110 are connected by the strip-shaped connecting pieces 120, and the multi-fold heat exchangers are assembled, strip-shaped
  • the connecting piece 120 can be bent as needed so as not to change the shape of the unit fin 110
  • the multi-fold heat exchanger is bent, and since the strip-shaped connecting piece 120 has connected the adjacent two unit fins 110, the alignment operation during the heat-
  • an auxiliary connecting piece 130 having a certain gap (1-5 mm) with the strip connecting piece 120 may be added to one side of the strip connecting piece 120 to assist
  • the connecting piece 130 is disposed between two adjacent unit fins 110. Two ends of the auxiliary connecting piece 130 are respectively connected to two adjacent unit fins 110, and the auxiliary connecting piece 130 and the corresponding position are respectively connected. There is a gap between the strip connecting pieces 120, and the auxiliary connecting piece 130 can increase the connection strength between the unit fins 110, increase the overall reliability of the heat exchange fins 100, and facilitate the transportation of the heat exchange fins 100.
  • the auxiliary connecting piece 130 is cut off (dotted line in FIG.
  • a plurality of the unit fins 110 are disposed to have the same width, so that the long sides of the heat exchange fins 100 can be cut at one time during the cutting operation, and the cutting operation is simple, which is favorable for improving heat exchange.
  • the production efficiency of the fins 100 is a plurality of the unit fins 110 are disposed to have the same width, so that the long sides of the heat exchange fins 100 can be cut at one time during the cutting operation, and the cutting operation is simple, which is favorable for improving heat exchange.
  • a heat exchange tube 300 of a multi-fold heat exchanger is disposed through a heat exchange fin 100 , wherein the unit fins 110 are provided with a plurality of first heat exchange tubes 300 for passing through to achieve installation.
  • the mounting hole 111, the plurality of the first mounting holes 111 are arranged in a plurality of rows arranged in parallel, each row comprising a plurality of the first mounting holes 111 disposed at a uniform spacing along the length direction of the unit fins 110, the same
  • the first mounting holes 111 of the adjacent two rows are staggered, and the adjacent two first mounting holes 111 of any one of the rows are spaced apart by a first distance P, and any one of the first mounting holes 111 is spaced apart from the other two of the adjacent ones of the adjacent rows by the second distance N.
  • the long U tube thus connected to the heat exchange tube 300 can have a uniform specification (corresponding to the first distance P), and the semicircular tube can have a uniform specification (corresponding to the second distance N), so that the specification of the connection tube can be unified, the alignment operation can be simplified, and the alignment is facilitated. Assembly efficiency of the heat exchange tube 300.
  • the first mounting holes 111 of the at least two of the unit fins 110 may be provided with the same aperture; the first mounting holes 111 have the same aperture.
  • the first distances P of the unit fins 110 are equal, and the second distances N of the two unit fins 110 having the same aperture of the first mounting hole 111 are equal.
  • the first mounting holes 111 of the at least two adjacently disposed unit fins 110 have the same aperture; the first mounting hole 111 of the one of the unit fins 110 closest to the abutment, Separating a first distance P or a second distance N from the first mounting hole 111 closest to the other of the unit fins 110; at this time, two of the adjacent two heat exchange portions are closest to each other
  • a long U tube or a semicircular tube of the same specification used for connecting the other heat exchange tubes 300 may be used for connection. In this way, it can be ensured that the heat exchange tubes 300 of the corresponding two heat exchange portions can be connected by using the long U tube of the same specification and the semicircular tube of the same specification, thereby further simplifying the alignment operation and improving the assembly efficiency.
  • the second mounting holes 112 may be opened at a position where the first mounting holes 111 are not provided at the corners of the unit fins 110 , and the second mounting holes 112 are also
  • the heat exchange tube 300 can be installed, thereby increasing the number of heat exchange tubes 300 corresponding to the unit fins 110, and improving the heat exchange efficiency of the corresponding heat exchange portion; please refer to FIG. 2 and FIG. 3, or FIG.
  • At least one of the unit fins 110 (or 110') is further provided with a plurality of second mounting holes 112 (or 112') for mounting the heat exchange tubes 300, the first mounting holes 111 (or 111') Equal to the aperture of the second mounting hole 112 (or 112'), in the same unit fin 110 (or 110'), the second mounting hole 112 (or 112') and the nearest one
  • the first mounting hole 111 (or 111') is spaced apart from the first distance P (or P') or the second distance N (or N') corresponding to the unit fin 110 (or 110');
  • the second mounting hole 112 (or 112') is spaced apart from the other adjacent second mounting hole 112 (or 112') by the unit fin 1 10 (or 110') corresponds to the first distance P (or P') or the second distance N (or N').
  • the first mounting hole 112 is spaced apart from the nearest one of the first mounting holes 111 by a first distance P or the second distance N; the second mounting hole 112 is spaced apart from the nearest second mounting hole 112 by a first distance P or the second distance N, so that the heat exchange tube 300 corresponding to the second mounting hole 112 can be connected to the other heat exchange tubes 300, and a long U tube or a semi-circular tube of the same specification can be used to simplify the alignment operation and improve Assembly efficiency.
  • a long U tube or a semi-circular tube of the same specification can be used to simplify the alignment operation and improve Assembly efficiency.
  • the second mounting hole 112 is spaced apart from the first mounting hole 111 closest to the other of the unit fins 110 by a first distance P or a second distance N; or one of the unit fins 110
  • the second mounting hole 112 closest to the abutment is spaced apart from the second mounting hole 112 closest to the other of the unit fins 110 by a first distance P or a second distance N.
  • the first mounting holes 111 of at least two of the unit fins 110 have different apertures; thus, in the multi-fold heat exchanger
  • the heat exchange portion located at the front end of the air conditioner and the heat exchange portion at the rear end of the air conditioner are respectively provided with different pipe diameters, so that the heat transfer efficiency of the entire heat exchanger can be improved according to the refrigerant adjusting the flow path in different heat transfer characteristics of the pipe diameter;
  • a heat exchanger tube 300 having a smaller tube diameter is disposed in the heat exchange portion at the front end, and a heat exchange tube 300 having a larger tube diameter is used in the heat exchanger at the rear end, and heat transfer characteristics in different tube diameters according to different flow states of the refrigerant, in two In the phase region, make full use of the small diameter and more flow paths to improve the heat transfer performance of the refrigerant in the two-phase region; in the gas phase region, make full use of the larger diameter and fewer flow paths to increase the flow
  • the heat exchange performance can greatly improve the heat exchange efficiency of the multi-fold heat exchanger.
  • the first mounting hole 111 of one of the unit fins 110 has a hole diameter of 3-6 mm, considering heat exchange efficiency, Process, standardization, manufacturing efficiency, etc., specifically setting a ratio of the first distance P corresponding to the unit fin 110 to the second distance N corresponding to the unit fin 110 is 1.2-1.7;
  • the first mounting hole 111' of the unit fin 110' has a hole diameter of 6-8 mm, and comprehensively considers heat exchange efficiency, process, standardization, manufacturing efficiency, etc., and specifically sets the unit corresponding to the unit fin 110'
  • the ratio of the distance P' to the second distance N' corresponding to the unit fin 110' ranges from 1 to 1.5.
  • the present invention further provides a multi-fold heat exchanger comprising a side plate 200, a plurality of stacked heat exchange fins 100, and a plurality of heat exchange tubes 300,
  • the specific structure of the heat exchange fin 100 is referred to the above embodiment. Since the present multi-fold heat exchanger adopts all the technical solutions of all the above embodiments, it also has all the beneficial effects brought by the technical solutions of the above embodiments. I will not repeat them here.
  • a plurality of stacked heat exchange fins 100 are disposed on one side of the side plate 200, and a plurality of unit fins 110 corresponding to the heat transfer fins 100 constitute a unit fin 110 group;
  • the heat exchange tubes 300 are mounted on the side plates 200 and are disposed through the corresponding unit fins 110. Specifically, the heat exchange tubes 300 respectively pass through the first mounting holes 111 on the unit fins 110 or The second mounting hole 112 realizes assembly of the heat exchange tube 300 and the unit fin 110 group.
  • the present invention also provides an air conditioner comprising a multi-fold heat exchanger; the specific structure of the multi-fold heat exchanger refers to the above embodiment, and since the air conditioner adopts all the technical solutions of all the above embodiments, Therefore, all the beneficial effects brought about by the technical solutions of the above embodiments are not repeated here.

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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

一种换热翅片（100），包括多个成排排布的单元翅片（110）和设于相邻的两个单元翅片（110）之间的条形连接片（120），条形连接片（120）的两端分别与相邻的两个单元翅片（110）连接。还公开一种多折式换热器和空调器。

Description

换热翅片、多折式换热器和空调器
技术领域
本发明涉及空调技术领域，特别涉及一种换热翅片、多折式换热器和空调器。
背景技术
现有的空调中使用的多折式换热器一般由多个独立的子换热器连接组成，每个子换热器单独成型后，多个子换热器的端板通过螺钉与连接板连接在一起，组成一个多折式换热器。对于这种结构的多折式换热器，每一子换热器需要分别成型，然后将端板与连接板连接，工序较多，导致多折式换热器的生产装配效率低下。
发明内容
本发明的主要目的是提供一种换热翅片，旨在提高多折式换热器的装配效率。
为实现上述目的，本发明提出的换热翅片，包括多个成排排布的单元翅片和设于相邻的两个所述单元翅片之间的条形连接片，所述条形连接片的两端分别与相邻的两个所述单元翅片连接。
优选地，所述换热翅片还包括设于相邻的两个所述单元翅片之间的辅助连接片，所述辅助连接片的两端分别与相邻的两个所述单元翅片连接，所述辅助连接片与对应位置的所述条形连接片之间具有间隙。
优选地，多个所述单元翅片的宽度相同。
优选地，所述单元翅片上开设有多个用以安装换热管的第一安装孔，多个所述第一安装孔排布成平行设置的多排，每一排包括若干沿所述单元翅片长度方向均匀间距设置的所述第一安装孔，同一个所述单元翅片中，相邻两排的所述第一安装孔交错设置，任一排中相邻两个所述第一安装孔间隔第一距离，任一个所述第一安装孔与相邻排中最邻近的另两个所述第一安装孔均间隔第二距离。
优选地，至少两个所述单元翅片的所述第一安装孔的孔径相同；所述第一安装孔的孔径相同的两个所述单元翅片的所述第一距离相等，所述第一安装孔的孔径相同的两个所述单元翅片的所述第二距离相等。
优选地，至少两个相邻设置的所述单元翅片的所述第一安装孔的孔径相同；一个所述单元翅片中最靠近邻接处的所述第一安装孔，与另一个所述单元翅片中最靠近邻接处的所述第一安装孔间隔第一距离或第二距离。
优选地，至少一个所述单元翅片上还开设有若干个用以安装换热管的第二安装孔，所述第一安装孔与所述第二安装孔的孔径相等，同一个所述单元翅片中，所述第二安装孔与最邻近的一个所述第一安装孔间隔所述单元翅片对应的所述第一距离或所述第二距离；所述第二安装孔与最邻近的另一个所述第二安装孔间隔所述单元翅片对应的所述第一距离或所述第二距离。
优选地，至少两个相邻设置的所述单元翅片的所述第一安装孔的孔径相同；一个所述单元翅片组中最靠近邻接处的所述第二安装孔，与另一个所述单元翅片中最靠近邻接处的所述第一安装孔间隔第一距离或第二距离；或者，一个所述单元翅片组中最靠近邻接处的所述第二安装孔，与另一个所述单元翅片中最靠近邻接处的所述第二安装孔间隔第一距离或第二距离。
优选地，至少两个所述单元翅片的所述第一安装孔的孔径不同。
优选地，至少两个所述单元翅片中，
一个所述单元翅片的所述第一安装孔的孔径为3-6mm，所述单元翅片对应的所述第一距离与所述单元翅片对应的所述第二距离的比值范围是1.2-1.7；
另一个所述单元翅片的所述第一安装孔的孔径为6-8mm，所述单元翅片对应的所述第一距离与所述单元翅片对应的所述第二距离的比值范围是1-1.5。
本发明还提出一种多折式换热器，该多折式换热器包括：边板、多片叠设排布的换热翅片以及多根换热管，多片叠设排布的换热翅片设置在所述边板一侧，所述换热翅片包括多个成排排布的单元翅片和设于相邻的两个所述单元翅片之间的条形连接片，所述条形连接片的两端分别与相邻的两个所述单元翅片连接，多片所述换热翅片的对应位置的单元翅片构成一个单元翅片组；所述换热管安装于所述边板上，并穿设对应的所述单元翅片组设置。
优选地，所述换热翅片还包括设于相邻的两个所述单元翅片之间的辅助连接片，所述辅助连接片的两端分别与相邻的两个所述单元翅片连接，所述辅助连接片与对应位置的所述条形连接片之间具有间隙。
优选地，多个所述单元翅片的宽度相同。
优选地，所述单元翅片上开设有多个用以安装换热管的第一安装孔，多个所述第一安装孔排布成平行设置的多排，每一排包括若干沿所述单元翅片长度方向均匀间距设置的所述第一安装孔，同一个所述单元翅片中，相邻两排的所述第一安装孔交错设置，任一排中相邻两个所述第一安装孔间隔第一距离，任一个所述第一安装孔与相邻排中最邻近的另两个所述第一安装孔均间隔第二距离。
优选地，至少两个所述单元翅片的所述第一安装孔的孔径相同；所述第一安装孔的孔径相同的两个所述单元翅片的所述第一距离相等，所述第一安装孔的孔径相同的两个所述单元翅片的所述第二距离相等。
优选地，至少两个相邻设置的所述单元翅片的所述第一安装孔的孔径相同；一个所述单元翅片中最靠近邻接处的所述第一安装孔，与另一个所述单元翅片中最靠近邻接处的所述第一安装孔间隔第一距离或第二距离。
优选地，至少一个所述单元翅片上还开设有若干个用以安装换热管的第二安装孔，所述第一安装孔与所述第二安装孔的孔径相等，同一个所述单元翅片中，所述第二安装孔与最邻近的一个所述第一安装孔间隔所述单元翅片对应的所述第一距离或所述第二距离；所述第二安装孔与最邻近的另一个所述第二安装孔间隔所述单元翅片对应的所述第一距离或所述第二距离。
优选地，至少两个相邻设置的所述单元翅片的所述第一安装孔的孔径相同；一个所述单元翅片组中最靠近邻接处的所述第二安装孔，与另一个所述单元翅片中最靠近邻接处的所述第一安装孔间隔第一距离或第二距离；或者，一个所述单元翅片组中最靠近邻接处的所述第二安装孔，与另一个所述单元翅片中最靠近邻接处的所述第二安装孔间隔第一距离或第二距离。
优选地，至少两个所述单元翅片的所述第一安装孔的孔径不同。
优选地，至少两个所述单元翅片中，
一个所述单元翅片的所述第一安装孔的孔径为3-6mm，所述单元翅片对应的所述第一距离与所述单元翅片对应的所述第二距离的比值范围是1.2-1.7；
另一个所述单元翅片的所述第一安装孔的孔径为6-8mm，所述单元翅片对应的所述第一距离与所述单元翅片对应的所述第二距离的比值范围是1-1.5。
本发明还提出一种空调器，该空调器包括多折式换热器，该多折式换热器包括：边板、多片叠设排布的换热翅片以及多根换热管，多片叠设排布的换热翅片设置在所述边板一侧，所述换热翅片包括多个成排排布的单元翅片和设于相邻的两个所述单元翅片之间的条形连接片，所述条形连接片的两端分别与相邻的两个所述单元翅片连接，多片所述换热翅片的对应位置的单元翅片构成一个单元翅片组；所述换热管安装于所述边板上，并穿设对应的所述单元翅片组设置。
本发明技术方案中换热翅片包括多个成排排布的单元翅片，将该换热翅片应用于多折式换热器中时，通过将多片换热翅片叠设排布，使得多片换热翅片的对应位置的单元翅片构成一个单元翅片组，每个单元翅片组与穿设的换热管和对应的板体共同组成一个独立的换热部，如此该多折式换热器可以分为多个换热部，相邻两个换热部呈V形或一字形排列，实现多折式换热器弯折设置；其中，多个单元翅片通过条形连接片依次连接成一个整体，因此整个换热翅片的所有单元翅片可以一次切割成型，相对于现有的多折式换热器单独成型每个换热部的翅片而言，可以提高换热翅片的生产效率，同时，单元翅片通过条形连接片进行连接，多折式换热器装配时，条形连接片可以根据需要进行弯折，从而在不改变单元翅片形态的同时实现多折式换热器弯折设置，由于条形连接片已经将相邻的两个单元翅片进行了连接，因此可以简化换热部安装时的对准操作，从而进一步提高对应的多折式换热器的装配效率。
附图说明
图1为本发明换热翅片一实施例的结构示意图；
图2为本发明换热翅片另一实施例的结构示意图；
图3为图2所示换热翅片折弯状态的结构示意图；
图4为本发明换热翅片又一实施例的折弯状态的结构示意图；
图5为本发明多折式换热器一实施例的结构示意图。
附图标号说明：
标号 名称 标号 名称
100 换热翅片 200 边板
300 换热管 110或110’ 单元翅片
120 条形连接片 130 辅助连接片
111或111’ 第一安装孔 112或112’ 第二安装孔
本发明目的的实现、功能特点及优点将结合实施例，参照附图做进一步说明。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明的一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
需要说明，若本发明实施例中有涉及方向性指示（诸如上、下、左、右、前、后……），则该方向性指示仅用于解释在某一特定姿态（如附图所示）下各部件之间的相对位置关系、运动情况等，如果该特定姿态发生改变时，则该方向性指示也相应地随之改变。
另外，若本发明实施例中有涉及“第一”、“第二”等的描述，则该“第一”、“第二”等的描述仅用于描述目的，而不能理解为指示或暗示其相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括至少一个该特征。另外，各个实施例之间的技术方案可以相互结合，但是必须是以本领域普通技术人员能够实现为基础，当技术方案的结合出现相互矛盾或无法实现时应当认为这种技术方案的结合不存在，也不在本发明要求的保护范围之内。
本发明提出一种换热翅片。
请参阅图1或图2，在本发明实施例中，该换热翅片100包括多个成排排布的单元翅片110和设于相邻的两个所述单元翅片110之间的条形连接片120，所述条形连接片120的两端分别与相邻的两个所述单元翅片110连接。
本发明技术方案中换热翅片100包括多个成排排布的单元翅片110，将该换热翅片100应用于多折式换热器中时，通过将多片换热翅片100叠设排布，使得多片换热翅片100的对应位置的单元翅片110构成一个单元翅片110组，每个单元翅片110组与穿设的换热管300和对应的板体共同组成一个独立的换热部，如此该多折式换热器可以分为多个换热部，相邻两个换热部呈V形或一字形排列，实现多折式换热器弯折设置；其中，多个单元翅片110通过条形连接片120依次连接成一个整体，因此整个换热翅片100的所有单元翅片110可以一次切割成型，相对于现有的多折式换热器单独成型每个换热部的翅片而言，可以提高换热翅片100的生产效率，同时，单元翅片110通过条形连接片120进行连接，多折式换热器装配时，条形连接片120可以根据需要进行弯折，从而在不改变单元翅片110形态的同时实现多折式换热器弯折设置，由于条形连接片120已经将相邻的两个单元翅片110进行了连接，因此可以简化换热部安装时的对准操作，从而进一步提高对应的多折式换热器的装配效率。
请参阅图1或图2，在换热翅片100成型时，还可以在条形连接片120的一侧增设与条形连接片120具有一定间隙（1-5mm）的辅助连接片130，辅助连接片130设于相邻的两个所述单元翅片110之间，辅助连接片130的两端分别与相邻的两个所述单元翅片110连接，所述辅助连接片130与对应位置的所述条形连接片120之间具有间隙，辅助连接片130可以增加单元翅片110之间的连接强度，增加换热翅片100的整体的可靠性，便于换热翅片100的运输，在装配多折式换热器时，弯折操作前切断（沿图1中虚线）辅助连接片130，就可以避免辅助连接片130对装配的影响了，其中，辅助连接片130与条形连接片120之间的间隙可以防止切割辅助连接片130时切断条形连接片120。为了便于换热翅片100的切割成型，设置多个所述单元翅片110的宽度相同，如此切割操作时换热翅片100的长边可以一次切割完成，切割操作简单，有利于提高换热翅片100的生产效率。
请参阅图1，多折式换热器的换热管300穿设换热翅片100设置，其中所述单元翅片110上开设有多个供换热管300穿过以实现安装的第一安装孔111，多个所述第一安装孔111排布成平行设置的多排，每一排包括若干沿所述单元翅片110长度方向均匀间距设置的所述第一安装孔111，同一个所述单元翅片110中，相邻两排的第一安装孔111交错设置，任一排中相邻两个所述第一安装孔111间隔第一距离P，任一个所述第一安装孔111与相邻排中最邻近的另两个所述第一安装孔111均间隔第二距离N。如此连接换热管300的长U管可以统一规格（对应第一距离P），半圆管可以统一规格（对应第二距离N），如此可以统一连接管的规格，简化对准操作，有利于提高换热管300的装配效率。为了进一步提高长U管和半圆管的通用性，还可以设置至少两个所述单元翅片110的所述第一安装孔111的孔径相同；所述第一安装孔111的孔径相同的两个所述单元翅片110的所述第一距离P相等，所述第一安装孔111的孔径相同的两个所述单元翅片110的所述第二距离N相等。可以进一步设置，至少两个相邻设置的所述单元翅片110的所述第一安装孔111的孔径相同；一个所述单元翅片110中最靠近邻接处的所述第一安装孔111，与另一个所述单元翅片110中最靠近邻接处的所述第一安装孔111间隔第一距离P或第二距离N；此时相邻两个换热部中各自最靠近邻接处的两个第一安装孔111中的换热管300进行连接时，可以使用其他换热管300连接时所用的同一规格的长U管或者半圆管进行连接。这样可以保证对应的两个换热部的换热管300都可以使用同一规格的长U管和同一规格的半圆管进行连接，进一步简化对准操作，提高装配效率。
请参阅图2或图4，为了提高单元翅片110的利用率，可以在单元翅片110的边角处没有设置第一安装孔111的位置开设第二安装孔112，第二安装孔112也可以安装换热管300，从而增加单元翅片110对应的换热管300的数量，提高对应换热部的换热效率；请参阅图2和图3，或图4；在本实施例中，至少一个所述单元翅片110（或110’）上还开设有若干个用以安装换热管300的第二安装孔112（或112’），所述第一安装孔111（或111’）与所述第二安装孔112（或112’）的孔径相等，同一个所述单元翅片110（或110’）中，所述第二安装孔112（或112’）与最邻近的一个所述第一安装孔111（或111’）间隔所述单元翅片110（或110’）对应的所述第一距离P（或P’）或所述第二距离N（或N’）；所述第二安装孔112（或112’）与最邻近的另一个所述第二安装孔112（或112’）间隔所述单元翅片110（或110’）对应的所述第一距离P（或P’）或所述第二距离N（或N’）。通过设置第二安装孔112与最邻近的一个第一安装孔111间隔第一距离P或所述第二距离N；第二安装孔112与最邻近的另一个第二安装孔112间隔第一距离P或所述第二距离N，使得第二安装孔112对应的换热管300，与其他换热管300进行连接时，可以使用同一规格的长U管或者半圆管，简化对准操作，提高装配效率。此时，请参阅图3，当至少两个相邻设置的所述单元翅片110的所述第一安装孔111的孔径相同时，一个所述单元翅片110组中最靠近邻接处的所述第二安装孔112，与另一个所述单元翅片110中最靠近邻接处的所述第一安装孔111间隔第一距离P或第二距离N；或者，一个所述单元翅片110组中最靠近邻接处的所述第二安装孔112，与另一个所述单元翅片110中最靠近邻接处的所述第二安装孔112间隔第一距离P或第二距离N。如此两个相邻设置的所述单元翅片110对应的换热管300进行连通时，无论最靠近连接位置的是第一安装孔111还是第二安装孔112，对应的换热管300都可以使用其他换热管300连接时所用的同一规格的长U管或者半圆管进行连接。
请参阅图1或图2或图4，在本发明的实施例中，至少两个所述单元翅片110的所述第一安装孔111的孔径不同；如此，在多折式换热器的位于空调器前端的换热部和位于空调器后端的换热部分别设置不同管径，从而可以根据制冷剂在不同管径换热特点调整流路来提升整个换热器的换热效率；通常在前端的换热部设置较小管径的换热管300，在后端的换热器采用较大管径的换热管300，根据制冷剂不同流动状态在不同管径换热特点，在两相区，充分利用小管径和较多流路提升制冷剂在两相区换热性能；在气相区，充分利用较大管径和较少流路提升制冷剂在管内流动速度提升单相区换热性能，由此可以大大提高多折式换热器的换热效率。具体的，请参照图1或图4，至少两个所述单元翅片110中，一个所述单元翅片110的所述第一安装孔111的孔径为3-6mm，综合考虑换热效率、工艺、标准化、制造效率等，具体设置所述单元翅片110对应的所述第一距离P与所述单元翅片110对应的所述第二距离N的比值范围是1.2-1.7；另一个所述单元翅片110’的所述第一安装孔111’的孔径为6-8mm，综合考虑换热效率、工艺、标准化、制造效率等，具体设置所述单元翅片110’对应的所述第一距离P’与所述单元翅片110’对应的所述第二距离N’的比值范围是1-1.5。通过在关键不同位置采用不同排布，实现换热效率与制造工艺同时突破，提高装配效率和换热效率。
请参阅图5，本发明还提出一种多折式换热器，该多折式换热器包括边板200、多片叠设排布的换热翅片100和多根换热管300，该换热翅片100的具体结构参照上述实施例，由于本多折式换热器采用了上述所有实施例的全部技术方案，因此同样具有上述实施例的技术方案所带来的所有有益效果，在此不再一一赘述。其中，多片叠设排布的换热翅片100设置在所述边板200一侧，多片所述换热翅片100的对应位置的单元翅片110构成一个单元翅片110组；所述换热管300安装于所述边板200上，并穿设对应的所述单元翅片110组设置，具体的，换热管300分别穿设单元翅片110上的第一安装孔111或第二安装孔112，实现换热管300与单元翅片110组的装配。
本发明还提出一种空调器，该空调器包括多折式换热器；该多折式换热器的具体结构参照上述实施例，由于本空调器采用了上述所有实施例的全部技术方案，因此同样具有上述实施例的技术方案所带来的所有有益效果，在此不再一一赘述。
应当说明的是，本发明的各个实施例的技术方案可以相互结合，但是必须是以本领域的技术人员能够实现为基础，当技术方案的结合出现相互矛盾或无法实现时应当人认为这种技术方案的结合不存在，也不在本发明要求的保护范围之内。
以上所述仅为本发明的优选实施例，并非因此限制本发明的专利范围，凡是利用本发明说明书及附图内容所作的等效结构变换，或直接或间接运用在其他相关的技术领域，均同理包括在本发明的专利保护范围内。

Claims (21)

  1. 一种换热翅片，其特征在于，包括多个成排排布的单元翅片和设于相邻的两个所述单元翅片之间的条形连接片，所述条形连接片的两端分别与相邻的两个所述单元翅片连接。
  2. 如权利要求1所述的换热翅片，其特征在于，所述换热翅片还包括设于相邻的两个所述单元翅片之间的辅助连接片，所述辅助连接片的两端分别与相邻的两个所述单元翅片连接，所述辅助连接片与对应位置的所述条形连接片之间具有间隙。
  3. 如权利要求1所述的换热翅片，其特征在于，多个所述单元翅片的宽度相同。
  4. 如权利要求1所述的换热翅片，其特征在于，所述单元翅片上开设有多个用以安装换热管的第一安装孔，多个所述第一安装孔排布成平行设置的多排，每一排包括若干沿所述单元翅片长度方向均匀间距设置的所述第一安装孔，
    同一个所述单元翅片中，相邻两排的所述第一安装孔交错设置，任一排中相邻两个所述第一安装孔间隔第一距离，任一个所述第一安装孔与相邻排中最邻近的另两个所述第一安装孔均间隔第二距离。
  5. 如权利要求4所述的换热翅片，其特征在于，至少两个所述单元翅片的所述第一安装孔的孔径相同；
    所述第一安装孔的孔径相同的两个所述单元翅片的所述第一距离相等，所述第一安装孔的孔径相同的两个所述单元翅片的所述第二距离相等。
  6. 如权利要求5所述的换热翅片，其特征在于，至少两个相邻设置的所述单元翅片的所述第一安装孔的孔径相同；一个所述单元翅片中最靠近邻接处的所述第一安装孔，与另一个所述单元翅片中最靠近邻接处的所述第一安装孔间隔第一距离或第二距离。
  7. 如权利要求4所述的换热翅片，其特征在于，至少一个所述单元翅片上还开设有若干个用以安装换热管的第二安装孔，所述第一安装孔与所述第二安装孔的孔径相等，
    同一个所述单元翅片中，所述第二安装孔与最邻近的一个所述第一安装孔间隔所述单元翅片对应的所述第一距离或所述第二距离；所述第二安装孔与最邻近的另一个所述第二安装孔间隔所述单元翅片对应的所述第一距离或所述第二距离。
  8. 如权利要求7所述的换热翅片，其特征在于，至少两个相邻设置的所述单元翅片的所述第一安装孔的孔径相同；
    一个所述单元翅片组中最靠近邻接处的所述第二安装孔，与另一个所述单元翅片中最靠近邻接处的所述第一安装孔间隔第一距离或第二距离；或者，
    一个所述单元翅片组中最靠近邻接处的所述第二安装孔，与另一个所述单元翅片中最靠近邻接处的所述第二安装孔间隔第一距离或第二距离。
  9. 如权利要求4所述的换热翅片，其特征在于，至少两个所述单元翅片的所述第一安装孔的孔径不同。
  10. 如权利要求9所述的换热翅片，其特征在于，至少两个所述单元翅片中，
    一个所述单元翅片的所述第一安装孔的孔径为3-6mm，所述单元翅片对应的所述第一距离与所述单元翅片对应的所述第二距离的比值范围是1.2-1.7；
    另一个所述单元翅片的所述第一安装孔的孔径为6-8mm，所述单元翅片对应的所述第一距离与所述单元翅片对应的所述第二距离的比值范围是1-1.5。
  11. 一种多折式换热器，其特征在于，包括：
    边板；
    多片叠设排布的换热翅片，设置在所述边板一侧，包括多个成排排布的单元翅片和设于相邻的两个所述单元翅片之间的条形连接片，所述条形连接片的两端分别与相邻的两个所述单元翅片连接，多片所述换热翅片的对应位置的单元翅片构成一个单元翅片组；
    多根换热管，所述换热管安装于所述边板上，并穿设对应的所述单元翅片组设置。
  12. 如权利要求11所述的多折式换热器，其特征在于，所述换热翅片还包括设于相邻的两个所述单元翅片之间的辅助连接片，所述辅助连接片的两端分别与相邻的两个所述单元翅片连接，所述辅助连接片与对应位置的所述条形连接片之间具有间隙。
  13. 如权利要求11所述的多折式换热器，其特征在于，多个所述单元翅片的宽度相同。
  14. 如权利要求11所述的多折式换热器，其特征在于，所述单元翅片上开设有多个用以安装换热管的第一安装孔，多个所述第一安装孔排布成平行设置的多排，每一排包括若干沿所述单元翅片长度方向均匀间距设置的所述第一安装孔，
    同一个所述单元翅片中，相邻两排的所述第一安装孔交错设置，任一排中相邻两个所述第一安装孔间隔第一距离，任一个所述第一安装孔与相邻排中最邻近的另两个所述第一安装孔均间隔第二距离。
  15. 如权利要求14所述的多折式换热器，其特征在于，至少两个所述单元翅片的所述第一安装孔的孔径相同；
    所述第一安装孔的孔径相同的两个所述单元翅片的所述第一距离相等，所述第一安装孔的孔径相同的两个所述单元翅片的所述第二距离相等。
  16. 如权利要求15所述的多折式换热器，其特征在于，至少两个相邻设置的所述单元翅片的所述第一安装孔的孔径相同；一个所述单元翅片中最靠近邻接处的所述第一安装孔，与另一个所述单元翅片中最靠近邻接处的所述第一安装孔间隔第一距离或第二距离。
  17. 如权利要求14所述的多折式换热器，其特征在于，至少一个所述单元翅片上还开设有若干个用以安装换热管的第二安装孔，所述第一安装孔与所述第二安装孔的孔径相等，
    同一个所述单元翅片中，所述第二安装孔与最邻近的一个所述第一安装孔间隔所述单元翅片对应的所述第一距离或所述第二距离；所述第二安装孔与最邻近的另一个所述第二安装孔间隔所述单元翅片对应的所述第一距离或所述第二距离。
  18. 如权利要求17所述的多折式换热器，其特征在于，至少两个相邻设置的所述单元翅片的所述第一安装孔的孔径相同；
    一个所述单元翅片组中最靠近邻接处的所述第二安装孔，与另一个所述单元翅片中最靠近邻接处的所述第一安装孔间隔第一距离或第二距离；或者，
    一个所述单元翅片组中最靠近邻接处的所述第二安装孔，与另一个所述单元翅片中最靠近邻接处的所述第二安装孔间隔第一距离或第二距离。
  19. 如权利要求14所述的多折式换热器，其特征在于，至少两个所述单元翅片的所述第一安装孔的孔径不同。
  20. 如权利要求19所述的多折式换热器，其特征在于，至少两个所述单元翅片中，
    一个所述单元翅片的所述第一安装孔的孔径为3-6mm，所述单元翅片对应的所述第一距离与所述单元翅片对应的所述第二距离的比值范围是1.2-1.7；
    另一个所述单元翅片的所述第一安装孔的孔径为6-8mm，所述单元翅片对应的所述第一距离与所述单元翅片对应的所述第二距离的比值范围是1-1.5。
  21. 一种空调器，其特征在于，包括如权利要求11所述的多折式换热器。
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