CN104864751A - Micro-channel plate heat exchanger with triangular corrugated flowing channel - Google Patents
Micro-channel plate heat exchanger with triangular corrugated flowing channel Download PDFInfo
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- CN104864751A CN104864751A CN201510325173.5A CN201510325173A CN104864751A CN 104864751 A CN104864751 A CN 104864751A CN 201510325173 A CN201510325173 A CN 201510325173A CN 104864751 A CN104864751 A CN 104864751A
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Abstract
The invention discloses a micro-channel plate heat exchanger with a triangular corrugated flowing channel. The micro-channel plate heat exchanger comprises a channel plate, partition layer plates, clamping plates, hot fluid inlet-outlets, cold fluid inlet-outlets and liquid collecting hole channels. The partition layer plates are arranged on two sides of the channel plate, the channel plate and the partition layer plates are alternatively stacked and pressed to form a cold and hot fluid heat exchange channel, fluid distribution channels are formed in the partition layer plates, the cold and hot fluid heat exchange channel is communicated with the fluid distribution channels, and the liquid collecting hole channels are formed in four corners of the channel plate. The clamping plates are arranged on the outer sides of the channel plate and the partition layer plates, and the hot fluid inlet-outlets and the cold fluid inlet-outlets are formed in the clamping plates and are respectively connected with the liquid collecting hole channels. The micro-channel plate heat exchanger is small in size, compact in structure, large in heat transfer area per unit size, high in heat exchange efficiency, low in heat loss, convenient to install and clean, long in service life and free of welding heat resistance and is suitable for high-precision electronic devices, cooling heat-dispassion parts of precise instruments and micro-electronic mechanical systems.
Description
[technical field]
The present invention relates to the technical field of micro-channel heat exchanger, be particularly with the technical field of the microchannel plate type heat exchanger of triangle corrugated channel.
[background technology]
The many merits such as micro-channel heat exchanger has compact conformation compared with traditional heat exchangers, lightweight, heat exchange efficiency is high, security of operation, reliability are high, can the requirement of narrow and small, the compact conformation of meeting spatial, is widely used in various occasion.The present stage fast development of microminiaturized product brings the problem of micro-transfer heat simultaneously, and such as, in the fast development of microelectronic industry, the improvement of the heat dispersion of electronic devices and components becomes and hinders its property development problem demanding prompt solution.Micro-channel heat exchanger can be divided into miniature micro-channel heat exchanger and large scale micro-channel heat exchanger by appearance and size.Miniature micro-channel heat exchanger is needs in order to meet electronics industry development and compact, light and handy, the efficient heat exchanger of a class formation that designs, and its version has dull and stereotyped cross-current type micro heat exchanger, sintered meshwork formula porous micro heat exchanger; Large scale micro-channel heat exchanger is mainly used in traditional industrial refrigeration, UTILIZATION OF VESIDUAL HEAT IN, air conditioning for automobiles, domestic air conditioning, Teat pump boiler etc., its version has concurrent flow tubular radiator and three-dimensional cross-current type radiator, and microchannel plate type heat exchanger belongs to front a kind of miniature micro-channel heat exchanger.
Micro-channel heat exchanger and traditional heat exchangers boundary divide according to the hydraulic diameter size of flow channel.The heat exchanger of hydraulic diameter within the scope of 0.1-1mm of fluid passage is called micro-channel heat exchanger.Manufacture and design heat exchanger in micro-scale scope and face a series of problem, first, the accuracy of processing technology is higher than the requirement on machining accuracy of traditional heat exchangers; Secondly, processing technology also needs improve accordingly.Such as, traditional welding procedure can not meet the connection request on micro-scale, so need make improvements or reduce the application of welding procedure in micro-channel heat exchanger manufacture process.What the present invention adopted is the heat exchanger plates layered manner of plate-type heat-exchange, does not need to weld in the connection of its core component and assembling process, well avoids the series of malpractice such as leakage that welding procedure brings, through welding and corrosion due to welding.
[summary of the invention]
Object of the present invention solves the problems of the prior art exactly, a kind of microchannel plate type heat exchanger with triangle corrugated channel is proposed, heat exchange original paper is metal cool-press plate, punching is as the runner of cold fluid and hot fluid, at the inner welding joint of this kind of heat exchanger, solve the problem of welding a series of thermal resistance and the flow resistance brought, the design of microchannel increases the heat exchange area of heat exchanger, thus its heat exchange efficiency is also improved.
For achieving the above object, the present invention proposes a kind of microchannel plate type heat exchanger with triangle corrugated channel, comprise channel plate, interlayer board, clamping plate, hot fluid import and export, cold fluid import and export and liquid collecting hole passage; Described channel plate both sides are provided with interlayer board, channel plate and the alternately laminated compression of interlayer board form cold fluid and hot fluid heat exchanger channels, interlayer board has Fluid distribution channels, and cold fluid and hot fluid heat exchanger channels is connected with Fluid distribution channels, and four angles of described channel plate are all provided with liquid collecting hole passage; Be provided with clamping plate outside described channel plate and interlayer board, clamping plate is provided with hot fluid and imports and exports and cold fluid import and export, and hot fluid is imported and exported and is connected with liquid collecting hole passage respectively with cold fluid import and export; Described liquid collecting hole passage comprises hot fluid liquid collecting hole passage and cold fluid liquid collecting hole passage, and hot fluid liquid collecting hole passage is imported and exported with hot fluid and is connected, and cold fluid liquid collecting hole passage is imported and exported with cold fluid and is connected.
As preferably, described cold fluid and hot fluid heat exchanger channels interior separation has interlayer board, and two adjacent channel plate 90-degree rotation angles are placed, and channel plate inside is provided with fluid through-hole.
As preferably, described channel plate is provided with " triangle ripple " type runner, runner arranging angular direction along channel plate.
As preferably, the thickness of described channel plate is corresponding with the height of runner, and the thickness of the Thickness Ratio interlayer board of channel plate is large.
As preferably, the height of described runner is 400 ~ 800 μm, and the width of runner is 500 ~ 3000 μm, and the hydraulic diameter of cold fluid and hot fluid heat exchanger channels is 0.1 ~ 0.8mm.
As preferably, the shape of described liquid collecting hole passage is semi-circular, and interlayer board also has liquid collecting hole passage, and liquid collecting hole passage is positioned on a pair diagonal of interlayer board, and Fluid distribution channels is positioned on another diagonal of interlayer board.
As preferably, described channel plate, interlayer board and clamping plate are provided with locating hole respectively on four angles.
As preferably, described hot fluid is imported and exported and is comprised hot fluid import and hot fluid outlet ports, cold fluid is imported and exported and is comprised cold fluid import and cold fluid outlet, the side of clamping plate is provided with hot fluid import and cold fluid import, the opposite side of clamping plate be provided with hot fluid outlet ports and cold fluid outlet, hot fluid is imported and exported and cold fluid is imported and exported as diagonal angle setting in the other direction.
As preferably, described clamping plate is provided with steel pipe and fluid outlet pipe, clamping device is equipped with at clamping plate four angles place, and clamping device is bolt clamping device.
Technique scheme of the present invention has the following advantages compared to existing technology:
1, combine the advantage of micro-channel heat exchanger and plate type heat exchanger, on the one hand there is higher heat exchange efficiency; The inner welding technique of the micro-channel heat exchanger of the present invention's design on the other hand, processing cost has been saved in great letter, improves production efficiency.
2, do not need in assembling process to use the more complicated such as welding and the high technique of technical requirement is assembled, so reduce production difficulty, improve production efficiency, reduction production intensity.
3, the sealing between each heat exchanger plates is under the effect relying on clamping force, metal to metal seal between heat exchanger plates upper and lower surface, the sealing good pressure-resistant performance of the type, and sealing only requires that the upper and lower surface of heat exchanger plates has less roughness, this kind of sealing does not need special hermetically-sealed construction, saves production cost.
4, the hydraulic diameter of miniature heat exchanger channels is set to 0.1 ~ 1mm, and the internal diameter size of described miniature heat exchanger channels is little, can strengthen the heat exchange property of this heat exchanger fluid further.
5, the import and export pipe fitting of cold fluid and hot fluid uses the mode of welding to be connected on clamping plate, solve the problem imported and exported pipe and be connected with flat board, because in described micro-channel heat exchanger, flow resistance is larger, pressure drop is higher, cause fluid velocity not high, so import and export being welded to connect to flow to cold fluid and hot fluid and producing considerable influence of pipe and pressure strip.
6, the application of " triangle ripple " type heat exchanger channels, makes heat exchanger channels length increase, expands the heat exchange area of single channel, and the contact heat-exchanging area of cold fluid and hot fluid is increased, and heat-exchange time increases, thus improves heat exchange efficiency.In addition, " triangle ripple " type heat exchanger channels makes fluid flow inside direction change, thus makes fluid heat transfer generation disturbance, and Temperature Distribution trend evenly, is conducive to the carrying out of heat exchange.
Feature of the present invention and advantage will be described in detail by reference to the accompanying drawings by embodiment.
[accompanying drawing explanation]
Fig. 1 is the schematic perspective view of a kind of microchannel plate type heat exchanger with triangle corrugated channel of the present invention;
Fig. 2 is the channel plate schematic diagram of a kind of microchannel plate type heat exchanger with triangle corrugated channel of the present invention;
Fig. 3 is the interlayer board schematic diagram of a kind of microchannel plate type heat exchanger with triangle corrugated channel of the present invention;
Fig. 4 is the clamping plate schematic diagram of a kind of microchannel plate type heat exchanger with triangle corrugated channel of the present invention;
Fig. 5 is the channel plate scale diagrams of a kind of microchannel plate type heat exchanger with triangle corrugated channel of the present invention;
Fig. 6 is the interlayer board scale diagrams of a kind of microchannel plate type heat exchanger with triangle corrugated channel of the present invention;
Fig. 7 is the clamping plate scale diagrams of a kind of microchannel plate type heat exchanger with triangle corrugated channel of the present invention;
Fig. 8 is the clamping device schematic diagram of a kind of microchannel plate type heat exchanger with triangle corrugated channel of the present invention.
In figure: the import and export of 1-channel plate, 2-interlayer board, 3-clamping plate, 4-hot fluid, the import and export of 5-cold fluid, 6-locating hole, 7-cold fluid and hot fluid heat exchanger channels, 8-liquid collecting hole runner, 9-Fluid distribution channels.
[detailed description of the invention]
Consult Fig. 1 ~ Fig. 8, the present invention, comprise channel plate 1, interlayer board 2, clamping plate 3, hot fluid import and export 4, cold fluid import and export 5 and liquid collecting hole passage 8; Described channel plate 1 both sides are provided with interlayer board 2, channel plate 1 and the alternately laminated compression of interlayer board 2 form cold fluid and hot fluid heat exchanger channels 7, interlayer board 2 has Fluid distribution channels 9, cold fluid and hot fluid heat exchanger channels 7 is connected with Fluid distribution channels 9, and four angles of described channel plate 1 are all provided with liquid collecting hole passage 8; Be provided with clamping plate 3 outside described channel plate 1 and interlayer board 2, clamping plate 3 is provided with hot fluid and imports and exports 4 and cold fluid import and export 5, and hot fluid import and export 4 and cold fluid are imported and exported 5 and be connected with liquid collecting hole passage 8 respectively; Described liquid collecting hole passage 8 comprises hot fluid liquid collecting hole passage and cold fluid liquid collecting hole passage, and hot fluid liquid collecting hole passage and hot fluid are imported and exported 4 and be connected, and cold fluid liquid collecting hole passage and cold fluid are imported and exported 5 and be connected.
Described cold fluid and hot fluid heat exchanger channels 7 interior separation has interlayer board 2, and two adjacent channel plate 1 90-degree rotation angles are placed, and channel plate 1 inside is provided with fluid through-hole.Described channel plate 1 is provided with " triangle ripple " type runner, runner arranging angular direction along channel plate 1.The thickness of described channel plate 1 is corresponding with the height of runner, and the thickness of the Thickness Ratio interlayer board 2 of channel plate 1 is large.The height of described runner is 400 ~ 800 μm, and the width of runner is 500 ~ 3000 μm, and the hydraulic diameter of cold fluid and hot fluid heat exchanger channels 7 is 0.1 ~ 0.8mm.The shape of liquid collecting hole passage 8 is semi-circular, and interlayer board 2 also has liquid collecting hole passage 8, and liquid collecting hole passage 8 is positioned on a pair diagonal of interlayer board 2, and Fluid distribution channels 9 is positioned on another diagonal of interlayer board 2.Described channel plate 1, interlayer board 2 and clamping plate 3 are provided with locating hole 6 respectively on four angles.Described hot fluid is imported and exported 4 and is comprised hot fluid import and hot fluid outlet ports, cold fluid is imported and exported 5 and is comprised cold fluid import and cold fluid outlet, the side of clamping plate 3 is provided with hot fluid import and cold fluid import, the opposite side of clamping plate 3 be provided with hot fluid outlet ports and cold fluid outlet, hot fluid import and export 4 and cold fluid to import and export 5 be diagonal angle setting in the other direction.Described clamping plate 3 is provided with steel pipe and fluid outlet pipe, and clamping device is equipped with at clamping plate 3 four angles place, and clamping device is bolt clamping device.
The course of work of the present invention:
A kind of microchannel plate type heat exchanger with triangle corrugated channel of the present invention in the course of the work, selects the MCA of triangle ripple type, extends the length of heat exchanger channels on the one hand, makes cold fluid and hot fluid carry out sufficient heat exchange; Can, by the flip-flop of flow direction, internal fluid temperature be made to be tending towards homogenising on the other hand.The lumenal cross-section of microchannel is designed to rectangle, and microchannel is of a size of: wide S4 is 3mm, high 0.5mm (i.e. the thickness of channel plate), so its hydraulic diameter is 0.86mm.
As the scale diagrams that Fig. 5 is channel plate 1, the internal diameter size of described micro-heat exchanger channels is less, can further improve the coefficient of heat transfer of heat exchanger.Except functional structure, also punching press locating hole 6 on four angles, so that equipment assembles, the diameter of locating hole 6 is 3mm, two back gauge S9, the S10 of the centre-to-centre spacing channel plate of locating hole 6 are 15mm.The preferred size of the channel plate in the implementation case is: channel width is 3mm, is spaced apart 4mm.The vertical range S6 at passage two ends is 74mm, and the straight length S5 of the broken line of triangle wavy channel is 8mm.
As shown in Figure 3, the interlayer board 2 in the implementation case, a pair diagonal position punching wherein has fluid liquid collecting hole 8, wherein liquid collecting hole 8 stacking formation liquid collecting passage.The punching of another diagonal position has Fluid distribution channels 9, going, carrying out exchange heat for being distributed in each passage by cold fluid and hot fluid.Except above structure, four angles of interlayer board have also been devised four locating holes 6, so that the efficient of subsequent installation carries out smoothly.Fig. 6 is the scale diagrams of interlayer board 2, and liquid collecting hole 8 is the semicircle of radius 15mm, and Fluid distribution channels 9 carries out expansion limit on the basis of liquid collecting hole 8, and R2 is of a size of 45mm, and the distance S3 of two Fluid distribution channels 9 of diagonal position is 69mm.
As shown in Figure 4, on clamping plate 3 four angles, also punching has locating hole 6 respectively, and same clamping plate 3 has two hot fluids import and export 4 or cold fluid import and export 5, namely fluid enters from clamping plate 3 side, and flows out from another outlet of the same side of clamping plate 3.As shown in Figure 7, the internal diameter of the cold fluid and hot fluid import and export 4,5 described in clamping plate 3 is 10mm to the scale diagrams of clamping plate 3, and external diameter is 13mm, is highly 20mm, and distance clamping plate two back gauge S7, S8 are 15mm respectively at the center of cold fluid and hot fluid import and export 4,5.
In Fig. 8, the compression mode of employing is that bolt corner compresses, and transmits thrust by the clamping plate of both sides.
The present invention, because this heat exchanger is made up of two kinds of stacked installations of heat exchanger plates, two kinds of heat exchanger plates can be made respectively by Sheet Metal Forming Technology, and install operation is simple.Channel size is in micron level, and its fluid flow inside is in slow laminar condition substantially, thus heat convection comparatively traditional heat exchangers do not preponderate.Utilize its heat exchange area per unit volume large and improve its heat conductivility to promote its heat exchange property.Lightweight, compact conformation size is little, the heat transfer area of unit volume is large, heat exchange efficiency high heat loss is few, install easy to clean, space requirement is few, long service life, welding thermal resistance.Go in high-density electronic device, aircraft and spaceship, the cooling heat dissipation parts of precision instrument and the heat transfer of microelectromechanical systems.Heat exchange area per unit volume is comparatively large, can reduce the volume of heat transmission equipment to a great extent.Heat exchange original paper is metal cool-press plate, punching, as the runner of cold fluid and hot fluid, at the inner welding joint of this kind of heat exchanger, solves the problem of welding a series of thermal resistance and the flow resistance brought, the design of microchannel increases the heat exchange area of heat exchanger, thus its heat exchange efficiency is also improved.
Above-described embodiment is to explanation of the present invention, is not limitation of the invention, anyly all belongs to protection scope of the present invention to the scheme after simple transformation of the present invention.
Claims (9)
1. the microchannel plate type heat exchanger with triangle corrugated channel, is characterized in that: comprise channel plate (1), interlayer board (2), clamping plate (3), hot fluid imports and exports (4), cold fluid imports and exports (5) and liquid collecting hole passage (8); Described channel plate (1) both sides are provided with interlayer board (2), channel plate (1) and the alternately laminated compression of interlayer board (2) form cold fluid and hot fluid heat exchanger channels (7), interlayer board (2) has Fluid distribution channels (9), cold fluid and hot fluid heat exchanger channels (7) is connected with Fluid distribution channels (9), and four angles of described channel plate (1) are all provided with liquid collecting hole passage (8); Described channel plate (1) and interlayer board (2) outside are provided with clamping plate (3), clamping plate (3) is provided with hot fluid and imports and exports (4) and cold fluid import and export (5), and hot fluid imports and exports (4) and cold fluid import and export (5) is connected with liquid collecting hole passage (8) respectively; Described liquid collecting hole passage (8) comprises hot fluid liquid collecting hole passage and cold fluid liquid collecting hole passage, hot fluid liquid collecting hole passage is imported and exported (4) and is connected with hot fluid, cold fluid liquid collecting hole passage is imported and exported (5) and is connected with cold fluid.
2. a kind of microchannel plate type heat exchanger with triangle corrugated channel as claimed in claim 1, it is characterized in that: described cold fluid and hot fluid heat exchanger channels (7) interior separation has interlayer board (2), two adjacent channel plate (1) 90-degree rotation angles are placed, and channel plate (1) inside is provided with fluid through-hole.
3. a kind of microchannel plate type heat exchanger with triangle corrugated channel as claimed in claim 1, is characterized in that: described channel plate (1) is provided with " triangle ripple " type runner, and runner is arranged along channel plate (1) angular direction.
4. a kind of microchannel plate type heat exchanger with triangle corrugated channel as claimed in claim 3, it is characterized in that: the thickness of described channel plate (1) is corresponding with the height of runner, the thickness of the Thickness Ratio interlayer board (2) of channel plate (1) is large.
5. a kind of microchannel plate type heat exchanger with triangle corrugated channel as claimed in claim 4, it is characterized in that: the height of described runner is 400 ~ 800 μm, the width of runner is 500 ~ 3000 μm, and the hydraulic diameter of cold fluid and hot fluid heat exchanger channels (7) is 0.1 ~ 0.8mm.
6. a kind of microchannel plate type heat exchanger with triangle corrugated channel as claimed in claim 1, it is characterized in that: the shape of described liquid collecting hole passage (8) is semi-circular, interlayer board (2) also has liquid collecting hole passage (8), liquid collecting hole passage (8) is positioned on a pair diagonal of interlayer board (2), and Fluid distribution channels (9) is positioned on another diagonal of interlayer board (2).
7. a kind of microchannel plate type heat exchanger with triangle corrugated channel as claimed in claim 1, is characterized in that: described channel plate (1), interlayer board (2) and clamping plate (3) are provided with locating hole (6) respectively on four angles.
8. a kind of microchannel plate type heat exchanger with triangle corrugated channel as claimed in claim 1, it is characterized in that: described hot fluid is imported and exported (4) and comprised hot fluid import and hot fluid outlet ports, cold fluid is imported and exported (5) and is comprised cold fluid import and cold fluid outlet, the side of clamping plate (3) is provided with hot fluid import and cold fluid import, the opposite side of clamping plate (3) be provided with hot fluid outlet ports and cold fluid outlet, hot fluid imports and exports (4) and cold fluid, and to import and export (5) be diagonal angle setting in the other direction.
9. a kind of microchannel plate type heat exchanger with triangle corrugated channel as claimed in claim 1, it is characterized in that: (3) are provided with steel pipe and fluid outlet pipe to described clamping plate, clamping device is equipped with at clamping plate (3) four angle places, and clamping device is bolt clamping device.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510325173.5A CN104864751A (en) | 2015-06-12 | 2015-06-12 | Micro-channel plate heat exchanger with triangular corrugated flowing channel |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510325173.5A CN104864751A (en) | 2015-06-12 | 2015-06-12 | Micro-channel plate heat exchanger with triangular corrugated flowing channel |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105486129A (en) * | 2015-12-24 | 2016-04-13 | 上海理工大学 | Micro-channel heat exchanger |
| CN107421357A (en) * | 2017-08-01 | 2017-12-01 | 江西清华泰豪三波电机有限公司 | Radiator and heat dissipation equipment |
| CN110514039A (en) * | 2019-01-18 | 2019-11-29 | 四川赛特制冷设备有限公司 | A kind of new energy heat exchanger |
| CN111780598A (en) * | 2020-06-23 | 2020-10-16 | 武汉第二船舶设计研究所(中国船舶重工集团公司第七一九研究所) | Heat exchange plate and micro-channel heat exchanger |
| CN113959236A (en) * | 2021-11-22 | 2022-01-21 | 江苏科技大学 | Annular steam condenser suitable for deep sea high pressure and working method thereof |
| CN114719655A (en) * | 2022-03-01 | 2022-07-08 | 武汉麦丘科技有限公司 | Micro-channel heat exchanger |
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| FR2175804A1 (en) * | 1972-03-11 | 1973-10-26 | Philips Nv | |
| CN101738125A (en) * | 2008-11-05 | 2010-06-16 | 中国科学院大连化学物理研究所 | Micro-channel heat exchanger chip and micro heat exchanger having distributed ports structure |
| CN103884216A (en) * | 2014-03-21 | 2014-06-25 | 苏州瑞日纺织科技有限公司 | Gas-liquid heat exchanger |
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2015
- 2015-06-12 CN CN201510325173.5A patent/CN104864751A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2175804A1 (en) * | 1972-03-11 | 1973-10-26 | Philips Nv | |
| CN101738125A (en) * | 2008-11-05 | 2010-06-16 | 中国科学院大连化学物理研究所 | Micro-channel heat exchanger chip and micro heat exchanger having distributed ports structure |
| CN103884216A (en) * | 2014-03-21 | 2014-06-25 | 苏州瑞日纺织科技有限公司 | Gas-liquid heat exchanger |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105486129A (en) * | 2015-12-24 | 2016-04-13 | 上海理工大学 | Micro-channel heat exchanger |
| CN107421357A (en) * | 2017-08-01 | 2017-12-01 | 江西清华泰豪三波电机有限公司 | Radiator and heat dissipation equipment |
| CN110514039A (en) * | 2019-01-18 | 2019-11-29 | 四川赛特制冷设备有限公司 | A kind of new energy heat exchanger |
| CN111780598A (en) * | 2020-06-23 | 2020-10-16 | 武汉第二船舶设计研究所(中国船舶重工集团公司第七一九研究所) | Heat exchange plate and micro-channel heat exchanger |
| CN111780598B (en) * | 2020-06-23 | 2021-11-09 | 武汉第二船舶设计研究所(中国船舶重工集团公司第七一九研究所) | Heat exchange plate and micro-channel heat exchanger |
| CN113959236A (en) * | 2021-11-22 | 2022-01-21 | 江苏科技大学 | Annular steam condenser suitable for deep sea high pressure and working method thereof |
| CN113959236B (en) * | 2021-11-22 | 2024-01-26 | 江苏科技大学 | Annular steam condenser suitable for deep sea high pressure and working method thereof |
| CN114719655A (en) * | 2022-03-01 | 2022-07-08 | 武汉麦丘科技有限公司 | Micro-channel heat exchanger |
| CN114719655B (en) * | 2022-03-01 | 2024-05-10 | 武汉麦丘科技有限公司 | Microchannel heat exchanger |
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Application publication date: 20150826 |