CN211876833U - Heat exchange tube, heat exchanger, heat exchange system, household appliance and vehicle - Google Patents
Heat exchange tube, heat exchanger, heat exchange system, household appliance and vehicle Download PDFInfo
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- CN211876833U CN211876833U CN202020039840.XU CN202020039840U CN211876833U CN 211876833 U CN211876833 U CN 211876833U CN 202020039840 U CN202020039840 U CN 202020039840U CN 211876833 U CN211876833 U CN 211876833U
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Abstract
The utility model provides a heat exchange tube, heat exchanger, heat transfer system, domestic appliance and vehicle, the heat exchange tube includes: the heat exchange tubes are penetrated through the heat exchange channels along the length direction of the heat exchange tubes, and the heat exchange channels are arranged into at least one row; in the same row of heat exchange channels, the distance between two adjacent heat exchange channels is greater than or equal to the maximum value of 0.9 times and 0.63mm of the hydraulic diameter of the two adjacent heat exchange channels. The utility model provides a heat exchange tube, a plurality of heat transfer passageways run through the heat exchange tube along the length direction of heat exchange tube, among a plurality of heat transfer passageways, distance more than or equal to two heat transfer passageways between two adjacent heat transfer passageways's the hydraulic diameter 0.9 times and the maximum value among the 0.63mm three for the heat exchange tube can bear the interior pressure of refrigerant, a plurality of heat transfer passageways's design has increased the heat transfer area of heat exchange tube simultaneously, the heat resistance of the heat convection current heat transfer of refrigerant has been reduced, thereby heat transfer performance has been improved.
Description
Technical Field
The utility model relates to a heat transfer technical field particularly, relates to a heat exchange tube, a heat exchanger, a heat transfer system, a domestic appliance and a vehicle.
Background
At present, in a heat exchange system, a heat exchange tube is often only provided with a single row of heat exchange channels, so that the effective heat exchange area is reduced, the heat exchange capacity between a refrigerant and the heat exchange tube is poor when the refrigerant flows in the heat exchange channels, the heat exchange efficiency of the heat exchange tube is further low, and the pressure resistance requirement on the heat exchange channels is high when the refrigerant flows in the heat exchange channels.
SUMMERY OF THE UTILITY MODEL
The present invention aims at least solving one of the technical problems existing in the prior art or the related art.
Therefore, the utility model discloses a first aspect provides a heat exchange tube.
The second aspect of the utility model also provides a heat exchanger.
The third aspect of the present invention also provides a heat exchange system.
The fourth aspect of the present invention also provides a household appliance.
The fifth aspect of the present invention also provides a vehicle.
In view of this, the first aspect of the present invention provides a heat exchange tube, including: the heat exchange tubes are penetrated through the heat exchange channels along the length direction of the heat exchange tubes, and the heat exchange channels are arranged into at least one row; in the same row of heat exchange channels, the distance between two adjacent heat exchange channels is greater than or equal to the maximum value of 0.9 times and 0.63mm of the hydraulic diameter of the two adjacent heat exchange channels.
The utility model provides a heat exchange tube, including a plurality of heat transfer passageways, a plurality of heat transfer passageways run through the heat exchange tube along the length direction of heat exchange tube, and a plurality of heat transfer passageways are arranged into at least one row, flow with the cooling medium, and then realize the heat transfer effect of heat exchange tube, in the same heat transfer passageway of arranging, distance more than or equal to two adjacent heat transfer passageways between two adjacent heat transfer passageways 0.9 times and the maximum value among the 0.63mm three, can bear the interior pressure of refrigerant with guaranteeing the heat exchange tube, a plurality of heat transfer passageways's design has increased passageway quantity simultaneously, the heat transfer area of heat exchange tube has been increased, the heat resistance of the convection heat transfer of refrigerant has been reduced, thereby heat transfer performance has been improved.
According to the utility model provides an above-mentioned heat exchanger can also have following additional technical characterstic:
in the above technical scheme, further, in the same row of heat exchange channels, the distance between two adjacent heat exchange channels is less than or equal to the maximum value of 2 times and 2mm of the hydraulic diameter of two adjacent heat exchange channels.
In this technical scheme, the distance between two adjacent heat transfer passageways can not be too big, and too big can influence the heat exchange efficiency of heat exchange tube, consequently, prescribe the distance between two adjacent heat transfer passageways to be less than or equal to two heat transfer passageways's the hydraulic diameter 2 times and 2mm three in the maximum value, both guaranteed that the heat exchange tube can bear the interior pressure of refrigerant, guaranteed the heat exchange efficiency of heat exchange tube again.
In any of the above technical solutions, further, the plurality of heat exchange channels are arranged in at least two rows, and any row of heat exchange channels includes at least two heat exchange channels.
In the technical scheme, the plurality of heat exchange channels are arranged into at least two rows, so that the number of the heat exchange channels is increased, the flow area of the heat exchange tube is increased, the flow resistance of a refrigerant is reduced, and the pressure loss of the heat exchanger is reduced.
In any of the above technical solutions, further, in two adjacent rows of heat exchange channels, the distance between any heat exchange channel and the heat exchange channel located in a different row and closest to the heat exchange channel is greater than or equal to the maximum value of 0.5 times and 0.4mm of the hydraulic diameter of the two heat exchange channels; the distance between any heat exchange channel and the heat exchange channel which is positioned in different rows and is closest to the heat exchange channel is less than or equal to the maximum value of 2 times and 2mm of the hydraulic diameter of the two heat exchange channels.
In the technical scheme, the distance between two adjacent rows of heat exchange channels is limited, so that the pressure bearing capacity of the heat exchange tubes to the refrigerant is ensured. The distance between any heat exchange channel and the heat exchange channel closest to the heat exchange channel in the other row is limited, namely the minimum distance value between the two rows of heat exchange channels is limited, so that the minimum distance value between the two rows of heat exchange channels is greater than or equal to the maximum value of 0.5 times and 0.4mm of the hydraulic diameter of the two rows of heat exchange channels, the pressure of a refrigerant in the heat exchange tube can be borne by the part of the heat exchange tube except the heat exchange channels, meanwhile, the distance between any heat exchange channel and the heat exchange channel which is located in the different rows and closest to the heat exchange channels is limited to be less than or equal to the maximum value of 2 times and 2mm of the hydraulic diameter of the two heat exchange channels, and the heat exchange efficiency of the heat exchange tube is ensured.
It is understood that both refer to two heat exchange channels located in different rows, wherein, of the two heat exchange channels, for one of the heat exchange channels, the other heat exchange channel is the one located closest to the other heat exchange channel in its adjacent row.
In any of the above technical solutions, further, a vertical distance between two adjacent rows of heat exchange channels is greater than or equal to 0.45 mm.
In the technical scheme, the vertical distance between two adjacent rows of heat exchange channels is greater than or equal to 0.45mm, so that the heat exchange tubes can bear the internal pressure of a refrigerant.
Specifically, when the cross section of the heat exchange tube is circular, the vertical distance between two adjacent rows of heat exchange channels is the distance between the line connecting the centers of circles of one row of heat exchange channels in the two adjacent rows and the line connecting the centers of circles of the other row of heat exchange channels.
In any of the above technical solutions, further, based on that the product of the hydraulic diameter of the heat exchange channel and 0.4 is greater than or equal to 0.2mm, the distance between the hole wall of any heat exchange channel and the outer side wall of the heat exchange tube is greater than or equal to the product of the hydraulic diameter of the heat exchange channel and 0.4; based on the product of the hydraulic diameter of the heat exchange channel and 0.4 being less than 0.2mm, the distance between the hole wall of any heat exchange channel and the outer side wall of the heat exchange tube is more than or equal to 0.2 mm.
In the technical scheme, the distance between the hole wall of any heat exchange channel and the outer side wall of the heat exchange tube is designed to be larger than or equal to 0.2mm and 0.4 time of the maximum value in the hydraulic diameter of the heat exchange channel. That is, when the product of the hydraulic diameter of the heat exchange channel and 0.4 is greater than or equal to 0.2mm, the distance between the hole wall of any heat exchange channel and the outer side wall of the heat exchange tube is greater than or equal to the product of the hydraulic diameter of the heat exchange channel and 0.4, and when the product of the hydraulic diameter of the heat exchange channel and 0.4 is smaller than 0.2mm, the distance between the hole wall of any heat exchange channel and the outer side wall of the heat exchange tube is greater than or equal to 0.2mm, the pressure-bearing capacity of the heat exchange tube to the refrigerant is further improved.
Specifically, on the heat exchange tube, in any row of heat exchange channels, the distance between the heat exchange channel closest to the outer side wall of the heat exchange tube and the outer side wall of the heat exchange tube is greater than or equal to 0.4 times of the maximum value between the hydraulic diameter of the heat exchange channel and 0.2 mm.
In any of the above technical solutions, further, in the plurality of heat exchange channels, the hydraulic diameter of any heat exchange channel is greater than or equal to 0.45mm and less than or equal to 1.25 mm.
In the technical scheme, the hydraulic diameter of the heat exchange channel is designed to be more than or equal to 0.45mm, and is less than or equal to 1.25mm, so that the hydraulic diameter of the heat exchange channel is increased while the heat exchange area of the heat exchange tube is ensured, the flow area of the heat exchange tube is also increased, the resistance of the refrigerant flowing in the heat exchange channel is reduced, the pressure loss of the heat exchange tube is reduced, and the heat exchange efficiency is improved.
It can be understood that the flow area of the heat exchange tube is the sum of the cross-sectional areas of all the heat exchange channels on the heat exchange tube.
In any of the above technical solutions, further, the cross section of the heat exchange channel is circular or elliptical.
In the technical scheme, the cross section of the heat exchange channel is circular or elliptical, so that the flow area of the heat exchange tube is increased.
In any of the above technical solutions, further, the cross section of the heat exchange tube is square or kidney-shaped or rectangular with round corners.
In the technical scheme, the cross section of the heat exchange tube is square or waist-shaped, namely the heat exchange tube is a flat tube, so that the heat exchange effect is improved.
In any of the above technical solutions, further, the heat exchange channel is configured to be suitable for flowing of a carbon dioxide refrigerant.
In the technical scheme, the heat exchange channel is configured to be suitable for flowing of a carbon dioxide refrigerant, and then the heat exchange tube can be applied to a carbon dioxide automobile air conditioner.
According to the utility model discloses a second aspect still provides a heat exchanger, include: the heat exchange tube that any one of above technical scheme proposed to and pressure manifold, pressure manifold and heat exchange tube are linked together.
The utility model discloses the heat exchanger that the second aspect provided, because of the heat exchange tube that proposes including any one of the above-mentioned technical scheme, consequently have all beneficial effects of heat exchange tube, the pressure manifold is linked together with the heat exchange tube to distribute the refrigerant in the heat exchange tube.
Further, the number of the heat exchange pipes is plural, and the plural heat exchange pipes are configured to be connected in parallel and/or in series.
According to the utility model discloses a third aspect has still provided a heat transfer system, include: a heat exchange tube according to any of the above aspects; or a heat exchanger as set forth in any of the above-mentioned second aspects.
The third aspect of the present invention provides a heat exchange system, comprising a heat exchange tube according to any one of the above technical solutions of the first aspect; or a heat exchanger as proposed in any of the above second aspects, thus having all the benefits of a heat exchange tube or heat exchanger.
Specifically, the heat exchange system further comprises a compressor, wherein the compressor is communicated with the heat exchanger or the heat exchange tube and used for compressing the refrigerant so as to discharge the refrigerant to the heat exchanger or the heat exchange tube.
According to the utility model discloses a fourth aspect still provides a domestic appliance, include: the heat exchange tube as set forth in any one of the first aspect; or a heat exchanger as set forth in any of the above second aspects; or the heat exchange system provided by any technical scheme of the third aspect.
The utility model provides a household appliance in a fourth aspect, which comprises a heat exchange tube provided by any one of the technical solutions of the first aspect; or a heat exchanger as set forth in any of the above second aspects; or the heat exchange system provided by any of the above technical solutions of the third aspect, thereby having all the advantages of a heat exchange tube or a heat exchanger or a heat exchange system.
Specifically, the household appliances include an air conditioner and a refrigerator.
According to the utility model discloses a fifth aspect still provides a vehicle, include: the heat exchange tube as set forth in any one of the first aspect; or a heat exchanger as set forth in any of the above second aspects; or the heat exchange system provided by any technical scheme of the third aspect.
The vehicle provided by the fifth aspect of the present invention includes the heat exchange tube proposed by any one of the above technical solutions of the first aspect; or a heat exchanger as set forth in any of the above second aspects; or the heat exchange system provided by any of the above technical solutions of the third aspect, thereby having all the advantages of a heat exchange tube or a heat exchanger or a heat exchange system.
Further, the vehicle also comprises a vehicle body, and the heat exchanger or the heat exchange system is arranged in the vehicle body.
Further, the vehicle also comprises an engine, and the engine is connected with a compressor of the heat exchange system.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, 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 shows a schematic structural view of a heat exchange tube according to an embodiment of the present invention;
fig. 2 shows another schematic structural diagram of a heat exchange tube according to an embodiment of the present invention.
Wherein, the correspondence between the reference numbers and the component names in fig. 1 and fig. 2 is:
the heat exchange tube comprises 100 heat exchange tubes, 102 heat exchange channels, 104 a first row of heat exchange channels, 106 a second row of heat exchange channels and 108 a third row of heat exchange channels.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
A heat exchange pipe 100, a heat exchanger, a heat exchange system, a home appliance, and a vehicle according to some embodiments of the present invention will be described with reference to fig. 1 and 2.
The first embodiment is as follows:
as shown in fig. 1 and 2, according to an embodiment of the present invention, the present invention provides a heat exchange tube 100, including: a plurality of heat exchange channels 102, the plurality of heat exchange channels 102 penetrating the heat exchange tube 100 along a length direction of the heat exchange tube 100.
Specifically, the plurality of heat exchange channels are arranged in at least one row, wherein in the same row of heat exchange channels 102, the distance between two adjacent heat exchange channels 102 is greater than or equal to the maximum value of 0.9 times and 0.63mm of the hydraulic diameter of two adjacent heat exchange channels 102.
The utility model provides a heat exchange tube 100, including a plurality of heat transfer passageways 102, a plurality of heat transfer passageways 102 run through heat exchange tube 100 along heat exchange tube 100's length direction, and a plurality of heat transfer passageways 102 are arranged into at least one row, flow with the refrigerant, and then realize heat exchange tube 100's heat transfer effect, among a plurality of heat transfer passageways 102, distance more than or equal to between two adjacent heat transfer passageways 102 is 0.9 times and the maximum value among the 0.63mm three of the hydraulic diameter of these two adjacent heat transfer passageways 102, in order to guarantee that heat exchange tube 100 can bear the interior pressure of refrigerant, a plurality of heat transfer passageways 102's design has increased heat transfer passageway 100's quantity simultaneously, heat exchange area of heat exchange tube 100 has been increased, the convective heat transfer thermal resistance of refrigerant has been reduced, thereby heat transfer performance has been improved.
Specifically, the distance between two adjacent heat exchange channels 102 is set to be greater than or equal to the maximum value between 0.9 times and 0.63mm of the hydraulic diameter of the two heat exchange channels 102, so that the area of the part, used for bearing the internal pressure of the refrigerant, on the heat exchange tube 100 can be increased, the bearing capacity of the heat exchange tube 100 is further ensured, the strength of the heat exchange tube 100 is improved, and the stability of the heat exchange tube 100 is improved.
Specifically, the hydraulic diameter represents a ratio of 4 times the cross-sectional area of the heat exchange channel 102 to the circumference of the cross-section of the heat exchange channel 102. It is understood that when heat exchange channels 102 are circular, the hydraulic diameter of heat exchange channels 102 is the diameter of heat exchange channels 102.
Specifically, the distance between two adjacent heat exchange channels 102 is the distance between the outer edges of two adjacent heat exchange channels 102, and further, the minimum value of the distance between the outer edges of two adjacent heat exchange channels 102 is greater than or equal to the maximum value of 0.9 times and 0.63mm of the hydraulic diameter of the two heat exchange channels 102.
For example, when 0.9 times the hydraulic diameter of the heat exchange channels 102 is 0.63mm or more, the distance between the outer edges of two adjacent heat exchange channels 102 is 0.9 times the hydraulic diameter of the heat exchange channels 102 or more; when 0.9 times the hydraulic diameter of the heat exchange channels 102 is less than 0.63mm, the distance between the outer edges of two adjacent heat exchange channels 102 is 0.63mm or more.
Example two:
as shown in fig. 2, according to an embodiment of the present invention, including the features defined in the above embodiment, and further: in the plurality of heat exchange channels, the distance between two adjacent heat exchange channels is less than or equal to the maximum value of 2 times and 2mm of the hydraulic diameter of the two adjacent heat exchange channels.
In this technical scheme, the distance between two adjacent heat transfer passageways can not be too big, and too big can influence the heat exchange efficiency of heat exchange tube, consequently, prescribe the distance between two adjacent heat transfer passageways to be less than or equal to two adjacent heat transfer passageways 2 times and 2 mm's the maximum value among the three of hydraulic diameter, has both guaranteed that the heat exchange tube can bear the interior pressure of refrigerant, has guaranteed the heat exchange efficiency of heat exchange tube again.
For example, when 2 times of the hydraulic diameter of the heat exchange channel 102 is greater than or equal to 2mm, the distance between the outer edges of two adjacent heat exchange channels 102 is less than or equal to 2 times of the hydraulic diameter of the heat exchange channel 102; when 2 times of the hydraulic diameter of the heat exchange channels 102 is less than 2mm, the distance between the outer edges of two adjacent heat exchange channels 102 is less than or equal to 2 mm.
Example three:
as shown in fig. 2, according to an embodiment of the present invention, including the features defined in the above embodiment, and further: the plurality of heat exchange channels 102 are arranged in at least two rows, with any row of heat exchange channels including at least two heat exchange channels 102.
In this embodiment, the plurality of heat exchange channels 102 are arranged in at least two rows, and for a single heat exchange tube 100, the flow area is increased, so that the flow resistance of the refrigerant can be effectively reduced, and the pressure loss of the heat exchanger is reduced.
Specifically, the plurality of heat exchange channels 102 are arranged in at least two rows, and the geometric centers of the plurality of heat exchange channels 102 in each row of heat exchange channels are all located on the same straight line. I.e. the centre lines of the heat exchange channels 102 in each row are arranged coplanar.
Specifically, each row of heat exchange channels are arranged in a straight line shape.
Specifically, the heat exchange channels 102 in two adjacent rows of heat exchange channels are arranged in a staggered manner, that is, any one heat exchange channel 102 in one row of heat exchange channels is arranged corresponding to the gap between two heat exchange channels 102 in the other row of heat exchange channels, so that the flow area of the heat exchange tube 100 is effectively increased.
Specifically, at least two rows of heat exchange channels are arranged in parallel.
Example four:
according to an embodiment of the invention, comprising the features as defined in the above embodiment, and further: in two adjacent rows of heat exchange channels, the distance between any heat exchange channel 102 and the heat exchange channel 102 which is positioned in different rows and is closest to the heat exchange channel 102 is more than or equal to the maximum value of 0.5 times and 0.4mm of the hydraulic diameter of the two heat exchange channels 102; the distance between any heat exchange channel 102 and the heat exchange channel 102 which is positioned in different rows and is closest to the heat exchange channel 102 is less than or equal to the maximum value of 2 times and 2mm of the hydraulic diameter of the two heat exchange channels 102.
In this embodiment, in two adjacent rows of heat exchange channels, the distance between the two rows is limited, so as to ensure the pressure-bearing capacity of the heat exchange tube 100 to the refrigerant. The distance between any heat exchange channel 102 and the heat exchange channel 102 closest to the heat exchange channel in the other row is limited, that is, the minimum distance value between the two rows of heat exchange channels is limited, so that the minimum distance value between the two rows of heat exchange channels is greater than or equal to the maximum value of the three values of 0.5 times and 0.4mm of the hydraulic diameters of the two rows of heat exchange channels, the pressure of a refrigerant from the heat exchange channels 102 can be borne by the part of the heat exchange tube 100 except the heat exchange channels 102, meanwhile, the distance between any heat exchange channel 102 and the heat exchange channel 102 which is located in the different rows and closest to the heat exchange channel 102 is limited to be less than or equal to the maximum value of the three values of 2 times and 2mm of the hydraulic diameters of the two heat exchange channels 102, and the heat exchange efficiency of the heat exchange tube 100 is.
It is understood that both refer to two heat exchange channels 102 located in different rows, wherein, of the two heat exchange channels 102, for one heat exchange channel 102, the other heat exchange channel 102 is the one heat exchange channel 102 located closest to it in its adjacent row.
It is understood that "three" of the maximum values of the two heat exchange channels 102 of 2 times and 2mm in hydraulic diameter includes the above-mentioned two values of 2 times and 2mm in hydraulic diameter of the two heat exchange channels 102 located in the adjacent rows and nearest.
Further, the vertical distance between two adjacent rows of heat exchange channels is more than or equal to 0.45 mm.
In this embodiment, the vertical distance between two adjacent rows of heat exchange channels is greater than or equal to 0.45mm, so that the heat exchange tube 100 can bear the internal pressure of the refrigerant.
Specifically, when the cross section of the heat exchange tube 100 is circular, the vertical distance between two adjacent rows of heat exchange channels is the distance between the line connecting the centers of circles of one row of heat exchange channels in the two adjacent rows and the line connecting the centers of circles of the other row of heat exchange channels.
Example five:
according to an embodiment of the invention, comprising the features as defined in the above embodiment, and further: based on the fact that the product of the hydraulic diameter of the heat exchange channel 102 and 0.4 is more than or equal to 0.2mm, the distance between the hole wall of any heat exchange channel 102 and the outer side wall of the heat exchange tube 100 is more than or equal to the product of the hydraulic diameter of the heat exchange channel 102 and 0.4; based on the fact that the product of the hydraulic diameter of the heat exchange channel 102 and 0.4 is smaller than 0.2mm, the distance between the hole wall of any heat exchange channel 102 and the outer side wall of the heat exchange tube 100 is larger than or equal to 0.2 mm.
In this embodiment, the distance between the hole wall of any one heat exchange channel 102 and the outer side wall of the heat exchange tube 100 is designed to be equal to or greater than 0.2mm and 0.4 times the maximum of the hydraulic diameters of the heat exchange channel 102. That is, when the product of the hydraulic diameter of the heat exchange channel 102 and 0.4 is greater than or equal to 0.2mm, the distance between the hole wall of any heat exchange channel 102 and the outer side wall of the heat exchange tube 100 is greater than or equal to the product of the hydraulic diameter of the heat exchange channel 102 and 0.4, and when the product of the hydraulic diameter of the heat exchange channel 102 and 0.4 is less than 0.2mm, the distance between the hole wall of any heat exchange channel 102 and the outer side wall of the heat exchange tube 100 is greater than or equal to 0.2mm, the pressure-bearing capacity of the heat exchange tube 100 to the refrigerant is further improved.
Specifically, on the heat exchange tube 100, in any row of heat exchange channels, the distance between the heat exchange channel 102 closest to the outer side wall of the heat exchange tube 100 and the outer side wall of the heat exchange tube 100 is greater than or equal to 0.4 times of the maximum value between the hydraulic diameter of the heat exchange channel 102 and 0.2 mm.
Example six:
according to an embodiment of the invention, comprising the features as defined in the above embodiment, and further: in the plurality of heat exchange channels 102, the hydraulic diameter of any heat exchange channel 102 is not less than 0.45mm and not more than 1.25 mm.
In this embodiment, the hydraulic diameter of the heat exchange channel 102 is designed to be greater than or equal to 0.45mm and less than or equal to 1.25mm, so that the hydraulic diameter of the heat exchange channel 102 is increased while the heat exchange area of the heat exchange tube 100 is ensured, that is, the flow area of the heat exchange tube 100 is also increased, so that the resistance of the refrigerant flowing in the heat exchange channel 102 is reduced, the pressure loss of the heat exchange tube 100 is reduced, and the heat exchange efficiency is improved.
It will be understood that the flow area of the heat exchange tube 100 is the sum of the cross-sectional areas of all the heat exchange channels 102 of the heat exchange tube 100.
Further, the cross section of the heat exchange channel 102 is circular or elliptical.
In this embodiment, the heat exchange channels 102 are circular or oval in cross-section, increasing the flow area of the heat exchange tubes 100.
Further, the heat exchange tube 100 has a square or kidney-shaped cross section.
In this embodiment, the cross section of the heat exchange tube 100 is square or kidney-shaped, that is, the heat exchange tube 100 is a flat tube, which improves the heat exchange effect.
Further, the heat exchange channel is configured to be suitable for flowing of carbon dioxide refrigerant.
In this embodiment, the heat exchange channel is configured to be suitable for flowing of carbon dioxide refrigerant, and thus the heat exchange tube can be applied to a carbon dioxide automobile air conditioner.
Example seven:
as shown in fig. 1 and 2, according to the present inventionIn one embodiment, the present invention provides a heat exchange tube 100 for transcritical CO2Refrigeration cycle, wherein, heat exchange tube 100 is flat pipe, and flat pipe includes multirow heat transfer passageway, and the geometric center of each calandria heat transfer passageway is located same straight line, is D to arbitrary hydraulic diameter1The heat exchange channel a and the same row of adjacent heat exchange channels have the hydraulic diameter D2Heat exchange channel b with minimum distance d between edges1Wherein d is1Satisfies max {2 × D1， 2×D2，2mm}≥d1≥max{0.9×D1，0.9×D20.63mm }; for any hydraulic diameter D1Of the heat exchange channels a, the nearest of the adjacent rows of the heat exchange channels a has a hydraulic diameter D3Heat exchange channel c with minimum distance d between edges2Wherein d is2Satisfies max {2 × D1，2×D3， 2mm}≥d2≥max{0.5×D1，0.5×D30.4mm }; for two adjacent rows of heat exchange channels, the distance between geometric center connecting lines of the heat exchange channels is more than 0.45 mm; for any hydraulic diameter D1Of the heat exchange channel a, the minimum distance d from the edge of the heat exchange channel a to the edge of the flat pipe3Is required to satisfy d3≥max{0.4×D1， 0.2mm}。
Further, the cross-section of the heat exchange channel 102 is substantially circular or substantially elliptical. The diameter of the circular cross-section ranges from 0.45mm to 1.25 mm. The heat exchange tube 100 that this application provided, the through-flow area of single flat pipe is bigger, can effectively reduce the flow resistance, and then reduces the loss of pressure of heat exchanger, and the heat transfer area increase of single flat pipe has reduced the heat resistance of heat convection of refrigerant side, has improved the heat transfer performance of heat exchanger.
Specifically, the heat exchange tube 100 is a microchannel heat exchange tube.
Example eight:
as shown in fig. 2, according to another specific embodiment of the present invention, the heat exchange tube 100 is a flat tube having three rows of heat exchange channels, the heat exchange channels 102 are all circular cross-sections, and in the first row of heat exchange channels 104, the diameter D of any heat exchange channel 10210.45mm to 0.6 mm; in the second row of heat exchange channels 106, any heat exchange channelDiameter D of the tract 10210.45mm to 0.6 mm; diameter D of any heat exchange channel 102 in third row of heat exchange channels 1081Is 0.45mm to 0.6 mm.
Further, the distance d between any two adjacent heat exchange channels 102 in the first row of heat exchange channels 10410.63mm to 1.0 mm; the distance d between any two adjacent heat exchange channels 102 in the second row 10610.63mm to 1.0 mm; the distance d between any two adjacent heat exchange channels 102 in the third row of heat exchange channels 1081Is 0.63mm to 1.0 mm.
Further, the distance d between any heat exchange channel 102 in the first row of heat exchange channels 104 and the heat exchange channel 102 with the smallest distance between the heat exchange channels in the second row 10620.4mm to 1.0 mm; the spacing d between any heat exchange channel 102 in the second row of heat exchange channels 106 and the heat exchange channel 102 with the smallest distance between the heat exchange channels in the third row 1082Is 0.4mm to 1.0 mm.
Further, in any row of heat exchange channels, the heat exchange channel 102 closest to the edge of the flat tube is away from the edge of the flat tube by a distance d3Is 0.2mm to 0.6 mm.
Example nine:
according to the utility model discloses a further embodiment, heat exchange tube 100 is for having double heat transfer channel's flat pipe, and heat transfer channel 102 is circular cross section, the diameter D of heat transfer channel 102 among the first row of heat transfer channel 10410.6mm to 0.8 mm; diameter D of heat exchange channels 102 in second row of heat exchange channels 1061Is 0.6mm to 0.8 mm.
Further, the spacing d of any adjacent heat exchange channels 102 in the first row of heat exchange channels 10410.63mm to 1.0 mm; the spacing d of any adjacent heat exchange channels 102 in the second row 1061Is 0.63mm to 1.0 mm.
Further, the spacing d between any heat exchange channel 102 in the first row of heat exchange channels 104 and the second row of minimally spaced heat exchange channels 1022Is 0.4mm to 0.8 mm.
Further, the distance d between the heat exchange channel 102 closest to the edge of the flat tube and the edge of the flat tube3Is 0.24mm to 0.6 mm.
Example ten:
according to the utility model discloses a further embodiment, heat exchange tube 100 is for having double heat transfer channel's flat pipe, and heat transfer channel 102 is circular cross section, the diameter D of heat transfer channel 102 among the first row of heat transfer channel 10410.6mm to 0.8 mm; the second row of heat exchange channels 106 comprises heat exchange channels 102 of two diameters, large channels and small channels, the diameter D of the large channels10.6mm to 0.8mm, the diameter D of the small pore canal1Is 0.45mm to 0.6 mm.
Further, the spacing d of any adjacent heat exchange channels 102 of the first row10.63mm to 1.0 mm; second row spacing d of any adjacent heat exchange channels 1021Is 0.63mm to 1.0 mm.
Further, the spacing d between any heat exchange channel 102 of the first row and the smallest-spaced heat exchange channel 102 of the second row2Is 0.4mm to 0.6 mm.
Further, the distance d between the heat exchange channel 102 closest to the edge of the flat tube and the edge of the flat tube3Is 0.24mm to 0.6 mm.
Example eleven:
according to the utility model discloses a second aspect still provides a heat exchanger (not shown in the figure), include: the heat exchange tube 100 according to any of the above embodiments, and a collecting pipe, the collecting pipe is communicated with the heat exchange tube 100.
The utility model discloses the heat exchanger that the second aspect provided, because of the heat exchange tube 100 that provides including any above-mentioned embodiment, consequently have all beneficial effects of heat exchange tube 100, the pressure manifold is linked together with heat exchange tube 100 to distribute the refrigerant in the heat exchange tube 100.
Further, the number of the heat exchange pipes 100 is plural, and the plural heat exchange pipes 100 are configured to be connected in parallel and/or in series.
Example twelve:
according to the utility model discloses a third aspect still provides a heat transfer system (not shown in the figure), include: the heat exchange tube 100 as set forth in any of the embodiments of the first aspect above; or a heat exchanger as set forth in any of the embodiments of the second aspect above.
The third aspect of the present invention provides a heat exchange system, comprising a heat exchange tube 100 as provided in any of the embodiments of the first aspect; or a heat exchanger as set forth in any of the embodiments of the second aspect described above, and thus has all the benefits of a heat exchange tube 100 or heat exchanger.
Specifically, the heat exchange system further includes a compressor, which is in communication with the heat exchanger or heat exchange tube 100 and is configured to compress a refrigerant to discharge the refrigerant to the heat exchanger or heat exchange tube 100.
Example thirteen:
according to the fourth aspect of the present invention, there is also provided a household appliance (not shown in the drawings), including: the heat exchange tube 100 as set forth in any of the embodiments of the first aspect; or a heat exchanger as set forth in any of the embodiments of the second aspect above; or a heat exchange system as set forth in any of the embodiments of the third aspect above.
The fourth aspect of the present invention provides a household appliance, comprising a heat exchange tube 100 as provided in any of the embodiments of the first aspect; or a heat exchanger as set forth in any of the embodiments of the second aspect above; or a heat exchange system as set forth in any of the embodiments of the third aspect above, and thus has all the benefits of a heat exchange tube 100 or a heat exchanger or a heat exchange system.
Specifically, the household appliances include an air conditioner and a refrigerator.
Example fourteen:
according to the utility model discloses a fifth aspect still provides a vehicle, include: the heat exchange tube 100 as set forth in any of the embodiments of the first aspect; or a heat exchanger as set forth in any of the embodiments of the second aspect above; or a heat exchange system as set forth in any of the embodiments of the third aspect above.
The fifth aspect of the present invention provides a vehicle, comprising a heat exchange tube 100 as set forth in any of the embodiments of the first aspect; or a heat exchanger as set forth in any of the embodiments of the second aspect above; or a heat exchange system as set forth in any of the embodiments of the third aspect above, and thus has all the benefits of a heat exchange tube 100 or a heat exchanger or a heat exchange system.
Further, the vehicle also comprises a vehicle body, and the heat exchanger or the heat exchange system is arranged in the vehicle body.
Further, the vehicle also comprises an engine, and the engine is connected with a compressor of the heat exchange system.
Specifically, the heat exchange tube 100 is adapted for supplying CO therein2The refrigerant flows.
In the present application, the term "plurality" means two or more unless expressly defined otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly and include, for example, fixed connections, detachable connections, or integral connections; "coupled" may be direct or indirect through an intermediary. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present specification, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means 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 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.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (12)
1. A heat exchange tube, comprising:
a plurality of heat exchange channels penetrating the heat exchange tube along a length direction thereof, the plurality of heat exchange channels being arranged in at least one row;
in the same row of heat exchange channels, the distance between two adjacent heat exchange channels is greater than or equal to the maximum value of 0.9 time and 0.63mm of the hydraulic diameter of two adjacent heat exchange channels.
2. The heat exchange tube of claim 1,
in the same row of the heat exchange channels, the distance between two adjacent heat exchange channels is less than or equal to the maximum value of 2 times and 2mm of the hydraulic diameter of two adjacent heat exchange channels.
3. The heat exchange tube of claim 2,
the plurality of heat exchange channels are arranged in at least two rows;
in two adjacent rows of the heat exchange channels, the distance between any one heat exchange channel and the heat exchange channel which is positioned in different rows and is closest to the heat exchange channel is more than or equal to the maximum value of 0.5 times and 0.4mm of the hydraulic diameter of the two heat exchange channels;
the distance between any heat exchange channel and the heat exchange channel which is positioned in different rows and is closest to the heat exchange channel is less than or equal to the maximum value of 2 times and 2mm of the hydraulic diameter of the two heat exchange channels.
4. The heat exchange tube of claim 3,
and the vertical distance between two adjacent rows of heat exchange channels is more than or equal to 0.45 mm.
5. The heat exchange tube according to any one of claims 1 to 4,
based on the fact that the product of the hydraulic diameter of the heat exchange channel and 0.4 is more than or equal to 0.2mm, the distance between the hole wall of any heat exchange channel and the outer side wall of the heat exchange tube is more than or equal to the product of the hydraulic diameter of the heat exchange channel and 0.4;
based on the fact that the product of the hydraulic diameter of the heat exchange channel and 0.4 is smaller than 0.2mm, the distance between the hole wall of any heat exchange channel and the outer side wall of the heat exchange tube is larger than or equal to 0.2 mm.
6. The heat exchange tube according to any one of claims 1 to 4,
in the plurality of heat exchange channels, the hydraulic diameter of any heat exchange channel is more than or equal to 0.45mm and less than or equal to 1.25 mm.
7. The heat exchange tube according to any one of claims 1 to 4,
the cross section of the heat exchange channel is circular or elliptical; and/or
The cross section of the heat exchange tube is square or waist-shaped.
8. The heat exchange tube according to any one of claims 1 to 4,
the heat exchange channel is configured to be suitable for flowing of carbon dioxide refrigerant.
9. A heat exchanger, comprising:
the heat exchange tube as recited in any one of claims 1 to 8; and
the collecting pipe is communicated with the heat exchange pipe.
10. A heat exchange system, comprising:
the heat exchange tube as recited in any one of claims 1 to 8; or
A heat exchanger as claimed in claim 9.
11. A household appliance, characterized in that it comprises:
the heat exchange tube as recited in any one of claims 1 to 8; or
A heat exchanger as claimed in claim 9; or
The heat exchange system of claim 10.
12. A vehicle, characterized by comprising:
the heat exchange tube as recited in any one of claims 1 to 8; or
A heat exchanger as claimed in claim 9; or
The heat exchange system of claim 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020039840.XU CN211876833U (en) | 2020-01-09 | 2020-01-09 | Heat exchange tube, heat exchanger, heat exchange system, household appliance and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020039840.XU CN211876833U (en) | 2020-01-09 | 2020-01-09 | Heat exchange tube, heat exchanger, heat exchange system, household appliance and vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN211876833U true CN211876833U (en) | 2020-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020039840.XU Active CN211876833U (en) | 2020-01-09 | 2020-01-09 | Heat exchange tube, heat exchanger, heat exchange system, household appliance and vehicle |
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| Country | Link |
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| CN (1) | CN211876833U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112629077A (en) * | 2020-12-24 | 2021-04-09 | 上海加冷松芝汽车空调股份有限公司 | Heat exchanger and air conditioning system |
-
2020
- 2020-01-09 CN CN202020039840.XU patent/CN211876833U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112629077A (en) * | 2020-12-24 | 2021-04-09 | 上海加冷松芝汽车空调股份有限公司 | Heat exchanger and air conditioning system |
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