CN211855020U - Heat exchange tube and heat exchanger with same - Google Patents
Heat exchange tube and heat exchanger with same Download PDFInfo
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- CN211855020U CN211855020U CN201922443687.7U CN201922443687U CN211855020U CN 211855020 U CN211855020 U CN 211855020U CN 201922443687 U CN201922443687 U CN 201922443687U CN 211855020 U CN211855020 U CN 211855020U
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Abstract
The utility model discloses a heat exchange tube and heat exchanger that has it has a plurality of circulation passageways in the heat exchange tube, the heat exchange tube has heat exchange tube length direction's cross section, the cross section is including the circulation cross-section, the heat exchange tube falls into two regions that length equals along the second direction, including first region and second region, the total area of circulation cross-section in the first region is greater than the total area of circulation cross-section in the second region. The heat exchanger using the heat exchange tube according to the embodiment of the invention has improved heat exchange efficiency.
Description
Technical Field
The utility model relates to a heat transfer technical field particularly, relates to a heat exchange tube and having the heat exchanger of heat exchange tube.
Background
In a heat exchange system, along the flowing direction of a refrigerant, the evaporation or condensation positions of the refrigerant in parallel flow channels are different, so that the refrigerant is not matched with the heat exchange temperature difference in the flow channels in flow distribution, obvious temperature difference appears on the cross section of a flat pipe close to the windward side and the leeward side, obvious supercooling degree or superheat temperature gradient is formed on the cross section of the flat pipe close to the outlet of a heat exchanger, and the heat exchange capacity of the windward side cannot be better utilized.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a heat exchange tube, each runner volume of this heat exchange tube distributes and accords with heat transfer system's demand, improves the heat transfer ability of the heat exchanger of using this heat exchange tube in heat transfer system.
The utility model discloses still provide one kind and have the heat exchanger of heat exchange tube.
To achieve the above object, an embodiment according to a first aspect of the present invention provides a heat exchange tube having a plurality of flow channels therein, the heat exchange tube including a tube wall and a heat sink, the tube wall including a first section including a first side and a second side spaced apart from each other in a first direction, a third side and a fourth side spaced apart from each other in a second direction, a distance between the first side and the second side being smaller than a distance between the third side and the fourth side, the heat sink including a second section and a third section, the second section and the third section being arranged in the second direction, the heat exchange tube further including a fourth section further including a first side and a second side, the first side of the fourth section being connected to the first side, the second side of the fourth section being connected to the second side, the fourth segment extends along a first direction substantially, the fourth segment is spaced from the second segment and the third segment in a second direction, the second segment comprises a plurality of second connecting segments and a plurality of second spacing segments, the second spacing segments comprise first sides and second sides which are arranged at intervals, the second connecting segments which are adjacent along the second direction are respectively connected with the first sides and the second sides of the second spacing segments, the first sides of the second spacing segments are connected with the first side, the second sides of the second spacing segments are connected with the second side, the second connecting segments are respectively connected with the first side or the second side, the third segments comprise third connecting segments and a plurality of third spacing segments, the third spacing segments comprise third sides and third spacing segments which are arranged at intervals, and the third connecting segments which are adjacent along the second direction are respectively connected with the first sides and the second sides of the third spacing segments, the first side edge of the third spacing segment is connected with the first side face, the second side edge of the third spacing segment is connected with the second side face, the third connecting segments are connected with the first side face or the second side face respectively, the first segment, the second segment, the third segment and the fourth segment are formed by bending plates, the heat exchange tube is provided with a cross section in the length direction of the heat exchange tube, the cross section comprises a circulation cross section, the heat exchange tube is divided into two regions with equal length along the second direction and comprises a first region and a second region, and the total area of the circulation cross section in the first region is larger than that in the second region.
According to the utility model discloses heat exchange tube, each runner volume of this heat exchange tube distributes and accords with heat transfer system's demand, improves the heat transfer ability of the heat exchanger of using this heat exchange tube in heat transfer system.
In addition, the heat exchange tube according to the above embodiment of the present invention may also have the following additional technical features:
optionally, the second section and the third section are bent from the same plate and/or the second section and the first section are bent from the same plate.
Optionally, the thickness of the plate material of the second section is greater than or equal to the thickness of the plate material of the third section.
Optionally, in the second direction, the flow-through channels include a first channel layer and a second channel layer located on both sides of the fourth segment, the first channel layer includes a plurality of first channels, the second channel layer includes a plurality of second channels, each of the first channel layers is divided into two regions of equal length along the second direction, including a third region and a fourth region, each of the third region and the fourth region includes at least two first channels, each of the second channel layers is divided into two regions of equal length along the second direction, including a fifth region and a sixth region, each of the fifth region and the sixth region includes at least two second channels, and the heat exchange tube has a cross section in the length direction of the heat exchange tube, in which the total area of the cross sections of the first channels in the third region is larger than the total area of the cross sections of the first channels in the fourth region and/or the second channel in the fifth region The total area of the cross-sections of the channels is greater than the total area of the cross-sections of the second channels in the sixth region.
Optionally, the heat exchange tube has a cross-section in the length direction of the heat exchange tube in which the cross-sectional area of the first channel decreases gradually in the second direction and/or the cross-sectional area of the second channel decreases gradually in the second direction.
Optionally, the third section comprises a plurality of third spaced sections, and the thickness of the plate material of the third spaced sections is gradually reduced from the side adjacent to the second section to the side far away from the second section.
Optionally, the length of the second segment in the second direction is less than the length of the third segment.
Optionally, the heat exchange tube has a cross section in a length direction of the heat exchange tube, and a total area of the flow sections in the first region is 1.04 to 1.4 times a total area of the flow sections in the second region.
According to the utility model discloses an embodiment of second aspect provides a heat exchanger, the heat exchanger includes: the first collecting pipe and the second collecting pipe are arranged in parallel approximately; a plurality of heat exchange tubes, a plurality of the heat exchange tubes are arranged in parallel, one end of each heat exchange tube along the length direction is connected with the first collecting pipe, the other end of each heat exchange tube along the length direction is connected with the second collecting pipe, the width direction of each heat exchange tube is generally perpendicular to the length direction of the first collecting pipe, the heat exchange tubes are the heat exchange tubes according to the embodiment of the first aspect of the invention, and the second section is adjacent to the inlet side of the air flow of the heat exchanger than the third section in the direction from the inlet side of the air flow of the heat exchanger to the outlet side of the air flow; and the fins are connected with the heat exchange tube.
According to the utility model discloses heat exchanger, through utilizing according to the utility model discloses an embodiment of first aspect the heat exchange tube, heat exchange efficiency improves to some extent.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural diagram of a heat exchange tube according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a heat exchange tube according to an embodiment of the present invention.
Fig. 3 is a schematic structural view of a heat exchange tube according to another embodiment of the present invention.
Fig. 4 is a schematic structural view of a heat exchange tube according to another embodiment of the present invention.
Fig. 5 is a schematic structural view of a heat exchange tube according to another embodiment of the present invention.
Fig. 6 is a schematic view illustrating a bending process of a heat exchange tube according to another embodiment of the present invention.
Fig. 7 is a schematic structural view of a heat exchange tube according to another embodiment of the present invention.
Reference numerals: the heat exchange tube comprises a heat exchange tube 1, a first section 100, a first side surface 101, a second side surface 102, a third side surface 103, a fourth side surface 104, a second section 200, a first channel 201, a second connecting section 210, a second spacing section 220, a third section 300, a second channel 301, a third connecting section 310, a third spacing section 320 and a fourth section 400.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
A heat exchange tube 1 according to an embodiment of the present invention is described below with reference to the accompanying drawings.
As shown in fig. 1 to 7, a heat exchange tube 1 according to an embodiment of the present invention has a plurality of flow channels therein. The heat exchange tube 1 comprises a tube wall and a fin.
The pipe wall comprises a first section 100, the first section 100 comprising a first side 101 and a second side 102 spaced apart in a first direction, a third side 103 and a fourth side 104 spaced apart in a second direction, the distance between the first side 101 and the second side 102 being smaller than the distance between the third side 103 and the fourth side 104.
The heat radiating fin comprises a second section 200 and a third section 300, the second section 200 and the third section 300 are arranged along a second direction, the heat exchanging tube 1 further comprises a fourth section 400, the fourth section 400 further comprises a first side edge and a second side edge, the first side edge of the fourth section 400 is connected with the first side surface 101, the second side edge of the fourth section 400 is connected with the second side surface, the fourth section 400 extends along the first direction, and the fourth section 400 is spaced from the second section 200 and the third section 300 in the second direction.
The second segment 200 includes a plurality of second connecting segments 210 and a plurality of second spacing segments 220, the second spacing segments 220 include first sides and second sides that are arranged at intervals, the second connecting segments 210 adjacent to each other along the second direction are respectively connected with the first sides and the second sides of the second spacing segments 220, the first sides of the second spacing segments 220 are connected with the first side 101, the second sides of the second spacing segments 220 are connected with the second side 102, the plurality of second connecting segments 210 are respectively connected with the first side 101 or the second side 102, the plurality of third segments 300 include third connecting segments 310 and a plurality of third spacing segments 320, the third spacing segments 320 include third spacing segment first sides and third spacing segment second sides that are arranged at intervals, the third connecting segments 310 adjacent to each other along the second direction are respectively connected with the third sides and the second sides of the third spacing segments 320, the first sides of the third spacing segments 320 are connected with the first side 101, the second side of the third spacing segment 320 is connected to the second side surface 102, and the plurality of third connecting segments 310 are connected to the first side surface 101 or the second side surface 102, respectively.
The first, second, third and fourth sections 100, 200, 300 and 400 are formed by bending a plate material.
The heat exchange tube 1 is provided with a cross section in the length direction of the heat exchange tube 1, the cross section comprises a flow section, the heat exchange tube 1 is divided into two areas with equal length along a second direction, the two areas comprise a first area and a second area, and the total area of the flow section in the first area is larger than that of the flow section in the second area.
Specifically, the heat exchange pipe 1 may be a flat pipe.
It will be understood by those skilled in the art that "the total area of the flow-through cross-section" refers to the total area of the cross-section of the channel within the corresponding region through which fluid can flow. The "first direction" is shown by arrow a in the figure, and the "second direction" is shown by arrow B in the figure.
According to the utility model discloses heat exchange tube 1, through making the total area of flow cross section in the first region is greater than the total area of flow cross section in the second region. The heat exchange tube 1 with non-uniform flow channels can be constructed, so that the sectional area of the flow channels on one side of the heat exchange tube 1 in the width direction is larger than that on the other side, and the heat exchange on one side of the heat exchange tube 1 is more sufficient than that on the other side. For example, if the second segment 200 is adjacent to the third side 103 and the third segment 300 is adjacent to the fourth side 104, the heat exchange tube 1 can exchange heat more sufficiently in the portion adjacent to the third side 103 than in the portion adjacent to the fourth side 104, and the volume distribution of each flow channel meets the requirement of the heat exchange system.
Compare the heat exchange tube that the symmetry set up among the correlation technique, can set up the air intake of the adjacent heat exchanger in first region, set up the air outlet of the adjacent heat exchanger in second region, the air current of heat exchanger gets into earlier the outside through first region like this, pass through the outside in second region again, can make the air current pass through the more abundant part of heat transfer earlier, make the temperature of the refrigerant in the heat exchange tube 1 more even, avoid forming super-cooling degree or superheat degree temperature gradient, each runner volume distribution accords with heat exchange system's demand, improve heat exchange effect of heat exchange tube 1.
In addition, since the first section 100, the second section 200 and the third section 300 are formed by bending plates, compared with the technical scheme of forming the second section 200 and the third section 300 by using sectional materials, the cost of the heat exchange tube 1 can be reduced, and the manufacturing process of the heat exchange tube 1 is simplified.
Therefore, according to the utility model discloses heat exchange tube 1, each runner volume of this heat exchange tube distributes and accords with heat transfer system's demand, improves the heat transfer ability of the heat exchanger of using this heat exchange tube in heat transfer system.
A heat exchange tube 1 according to an embodiment of the present invention is described below with reference to the accompanying drawings.
In some embodiments of the present invention, as shown in fig. 1 to 7, the heat exchange tube 1 has a cross section intersecting with a width direction of the heat exchange tube along a thickness direction of the heat exchange tube, the cross section includes a flow section, the heat exchange tube 1 is divided into two regions having equal widths along a second direction, including a first region and a second region, a total area of the flow section in the first region is larger than a total area of the flow section in the second region.
In one embodiment of the present invention, as shown in fig. 3, the second section 200 and the third section 300 are formed by bending the same plate. Therefore, the number of parts of the heat exchange tube 1 can be reduced, the cost of the heat exchange tube 1 is reduced, and the assembly process of the heat exchange tube 1 is simplified.
In some embodiments of the present invention, as shown in fig. 4-7, the sheet thickness of the second section 200 is greater than or equal to the sheet thickness of the third section 300. Therefore, an asymmetric structure of a flow channel can be conveniently formed in the heat exchange tube 1, the total area of the flow cross section in the first area is larger than that of the flow cross section in the second area, so that the temperature difference in the heat exchange tube 1 is further reduced, and the heat exchange effect of the heat exchange tube 1 is further improved.
In some embodiments of the present invention, the second section 200 and the first section 100 are formed by bending the same plate. Therefore, the number of parts of the heat exchange tube 1 can be reduced, the cost of the heat exchange tube 1 is reduced, and the assembly process of the heat exchange tube 1 is simplified.
Advantageously, as shown in fig. 5 to 7, in the second direction, the flow-through channels include a first channel layer and a second channel layer on both sides of the fourth section 400, the first channel layer includes a plurality of first channels 201, the second channel layer includes a plurality of second channels 301, each of the first channel layers is divided into two regions having equal length in the second direction, includes a third region and a fourth region, each of the third region and the fourth region includes at least two first channels 201, each of the second channel layers is divided into two regions having equal length in the second direction, includes a fifth region and a sixth region, each of the fifth region and the sixth region includes at least two second channels 301, the heat exchange tube 1 has a cross section in the length direction of the heat exchange tube 1, and in the cross section, the total area of the cross sections of the first channels 201 in the third region is larger than the total area of the cross sections of the first channels 201 in the fourth region And/or the total area of the cross-sections of the second channels 301 in said fifth region is larger than the total area of the cross-sections of the second channels 301 in said sixth region. Therefore, the first channel 201 and the second channel 301 can form two areas with equal width respectively, so that the heat exchange effect of two sides of the heat exchange tube 1 can be further distinguished conveniently, the uniformity of the temperature of the heat exchange tube 1 is further ensured, and the heat exchange effect of the heat exchange tube 1 is further improved.
More advantageously, as shown in fig. 5 to 7, the heat exchange tube 1 has a cross section in the length direction of the heat exchange tube 1 in which the sectional area of the first channel 201 is gradually reduced in the second direction and/or the sectional area of the second channel 301 is gradually reduced in the second direction.
The third segment 300 includes a plurality of third spaced segments, and the thickness of the plate material of the third spaced segments gradually decreases from a side adjacent to the second segment to a side away from the second segment. Thus, the heat exchange tube 1 with non-uniform flow channels can be further formed, and the temperature uniformity of the heat exchange tube 1 is further ensured.
In some embodiments of the present invention, as shown in fig. 5-7, the length of the second segment 200 is less than the length of the third segment 300 in the second direction. This further reduces the total area of the first channels 201 and increases the total area of the second channels 301, thereby further facilitating the formation of the heat exchange tubes 1 with non-uniform flow channels and further ensuring the temperature uniformity of the heat exchange tubes 1.
Specifically, as shown in fig. 1 to 7, the heat exchange tube 1 has a cross section in the length direction of the heat exchange tube 1, and the total area of the flow sections in the first region is 1.04 to 1.4 times the total area of the flow sections in the second region. Therefore, the structure of the heat exchange tube 1 is more reasonable, and the heat exchange effect of the heat exchange tube 1 is ensured.
A heat exchanger according to an embodiment of the present invention is described below. According to the utility model discloses heat exchanger includes first pressure manifold, second pressure manifold, a plurality of heat exchange tube and fin.
The first header and the second header are arranged substantially in parallel. It is a plurality of heat exchange tube parallel arrangement, the heat exchange tube along its length direction's one end with first pressure manifold links to each other, the heat exchange tube along its length direction's the other end with the second pressure manifold links to each other, the width direction of heat exchange tube perpendicular to substantially the length direction of first pressure manifold, the heat exchange tube is according to the utility model discloses above-mentioned embodiment heat exchange tube 1 in the direction of the outlet side of the air current is arrived to the inlet side of the air current of heat exchanger, second section 200 is close to than third section 300 the inlet side of the air current of heat exchanger. The plurality of fins are connected with the heat exchange tube.
Therefore, the first area is close to the inlet side of the air flow compared with the second area, so that the uniformity of the temperature in the heat exchange tube 1 is improved, and the heat exchange effect of the heat exchanger is ensured.
According to the utility model discloses heat exchanger, through utilizing according to the utility model discloses above-mentioned embodiment's heat exchange tube 1 has advantages such as the heat transfer is effectual.
Other constructions and operations of heat exchangers according to embodiments of the present invention are known to those of ordinary skill in the art and will not be described in detail herein.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (9)
1. A heat exchange tube, characterized in that a plurality of flow channels are provided in the heat exchange tube, the heat exchange tube comprises a tube wall and a fin, the tube wall comprises a first section, the first section comprises a first side surface and a second side surface which are arranged at intervals along a first direction, a third side surface and a fourth side surface which are arranged at intervals along a second direction, the distance between the first side surface and the second side surface is smaller than the distance between the third side surface and the fourth side surface, the fin comprises a second section and a third section, the second section and the third section are arranged along a second direction, the heat exchange tube further comprises a fourth section, the fourth section further comprises a first side edge and a second side edge, the first side edge of the fourth section is connected with the first side surface, the second side edge of the fourth section is connected with the second side surface, and the fourth section extends substantially along the first direction, the fourth segment is spaced from the second segment and the third segment in the second direction, the second segment comprises a plurality of second connecting segments and a plurality of second spacing segments, each second spacing segment comprises a first side edge and a second side edge which are arranged at intervals, the second connecting segments which are adjacent in the second direction are respectively connected with the first side edge and the second side edge of each second spacing segment, the first side edge of each second spacing segment is connected with the first side surface, the second side edge of each second spacing segment is connected with the second side surface, the second connecting segments are respectively connected with the first side surface or the second side surface, the third connecting segments comprise a third connecting segment and a plurality of third spacing segments, each third spacing segment comprises a third spacing segment first side edge and a third spacing segment second side edge which are arranged at intervals, and the third connecting segments which are adjacent in the second direction are respectively connected with the first side edge and the second side edge of each third spacing segment, the first side edge of the third spacing segment is connected with the first side face, the second side edge of the third spacing segment is connected with the second side face, the third connecting segments are connected with the first side face or the second side face respectively, the first segment, the second segment, the third segment and the fourth segment are formed by bending plates, the heat exchange tube is provided with a cross section in the length direction of the heat exchange tube, the cross section comprises a circulation cross section, the heat exchange tube is divided into two regions with equal length along the second direction and comprises a first region and a second region, and the total area of the circulation cross section in the first region is larger than that in the second region.
2. A heat exchange tube according to claim 1, wherein the second section and the third section are bent from the same sheet and/or the second section and the first section are bent from the same sheet.
3. The heat exchange tube of claim 2, wherein the second section has a thickness of the plate equal to or greater than the thickness of the plate of the third section.
4. A heat exchange tube according to claim 2, wherein the flow-through channels comprise a first channel layer and a second channel layer on both sides of the fourth section in the second direction, the first channel layer comprises a plurality of first channels, the second channel layer comprises a plurality of second channels, each of the first channel layers is divided into two zones of equal length in the second direction, comprises a third zone and a fourth zone, each of the third zone and the fourth zone comprises at least two first channels, each of the second channel layers is divided into two zones of equal length in the second direction, comprises a fifth zone and a sixth zone, each of the fifth zone and the sixth zone comprises at least two second channels, the heat exchange tube has a cross section in the length direction of the heat exchange tube in which the total area of the cross sections of the first channels in the third zone is larger than the cross section of the first channels in the fourth zone And/or the total area of the cross-sections of the second channels in the fifth region is greater than the total area of the cross-sections of the second channels in the sixth region.
5. A heat exchange tube according to claim 4, wherein the heat exchange tube has a cross section in the length direction of the heat exchange tube in which the sectional area of the first channel gradually decreases in the second direction and/or the sectional area of the second channel gradually decreases in the second direction.
6. A heat exchange tube according to claim 1, wherein the third section comprises a plurality of third spaced segments, and the thickness of the plate material of the plurality of third spaced segments is gradually reduced from a side adjacent to the second section to a side away from the second section.
7. A heat exchange tube according to claim 1, wherein the length of the second section in the second direction is less than the length of the third section.
8. The heat exchange tube of claim 1, wherein the heat exchange tube has a cross section in a length direction of the heat exchange tube, and a total area of the flow cross sections in the first region is 1.04 to 1.4 times a total area of the flow cross sections in the second region.
9. A heat exchanger, comprising:
the first collecting pipe and the second collecting pipe are arranged in parallel approximately;
a plurality of heat exchange tubes, the plurality of heat exchange tubes being arranged in parallel, one end of each heat exchange tube in the length direction thereof being connected to the first header, the other end of each heat exchange tube in the length direction thereof being connected to the second header, the width direction of each heat exchange tube being substantially perpendicular to the length direction of the first header, the heat exchange tubes being as claimed in any one of claims 1 to 8, the second section being adjacent to the inlet side of the air flow of the heat exchanger than the third section in the direction from the inlet side of the air flow of the heat exchanger to the outlet side of the air flow;
and the fins are connected with the heat exchange tube.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922443687.7U CN211855020U (en) | 2019-12-27 | 2019-12-27 | Heat exchange tube and heat exchanger with same |
| PCT/CN2020/135958 WO2021115461A1 (en) | 2019-12-13 | 2020-12-11 | Heat exchange tube and heat exchanger having same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922443687.7U CN211855020U (en) | 2019-12-27 | 2019-12-27 | Heat exchange tube and heat exchanger with same |
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| Publication Number | Publication Date |
|---|---|
| CN211855020U true CN211855020U (en) | 2020-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922443687.7U Active CN211855020U (en) | 2019-12-13 | 2019-12-27 | Heat exchange tube and heat exchanger with same |
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| CN (1) | CN211855020U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021115461A1 (en) * | 2019-12-13 | 2021-06-17 | 杭州三花微通道换热器有限公司 | Heat exchange tube and heat exchanger having same |
| WO2022121848A1 (en) * | 2020-12-08 | 2022-06-16 | 杭州三花微通道换热器有限公司 | Heat exchanger |
-
2019
- 2019-12-27 CN CN201922443687.7U patent/CN211855020U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021115461A1 (en) * | 2019-12-13 | 2021-06-17 | 杭州三花微通道换热器有限公司 | Heat exchange tube and heat exchanger having same |
| WO2022121848A1 (en) * | 2020-12-08 | 2022-06-16 | 杭州三花微通道换热器有限公司 | Heat exchanger |
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