CN214469458U - Micro-channel parallel flow heat exchanger - Google Patents
Micro-channel parallel flow heat exchanger Download PDFInfo
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- CN214469458U CN214469458U CN202120366557.2U CN202120366557U CN214469458U CN 214469458 U CN214469458 U CN 214469458U CN 202120366557 U CN202120366557 U CN 202120366557U CN 214469458 U CN214469458 U CN 214469458U
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Abstract
The utility model provides a microchannel parallel flow heat exchanger, including first pressure manifold, second pressure manifold and flat tube group, be equipped with first baffle in first pressure manifold, be equipped with the second baffle in the second pressure manifold, flat tube group includes a plurality of first flat pipes corresponding with cavity once, with the flat pipe of a plurality of second that the cavity is corresponding on the second and set up a plurality of third flat pipes between first baffle and second baffle, each first flat pipe stretches into the length in the first pressure manifold from last crescent extremely down, the length that each flat pipe of second stretches into in the first pressure manifold is from last crescent extremely down, each flat pipe of third stretches into the length in the second pressure manifold from last crescent extremely down. The utility model provides a microchannel concurrent flow heat exchanger can make the distribution of refrigerant more even, has increased effective heat transfer area, and then has improved the whole heat transfer performance of heat exchanger.
Description
Technical Field
The utility model relates to a heat exchanger technical field especially relates to a microchannel concurrent flow heat exchanger.
Background
In the prior art, each flat pipe in the heat exchanger is horizontally arranged, the length of each flat pipe is consistent, and the depth of each flat pipe in the collecting pipe is consistent. The structural arrangement mode of the heat exchanger causes the heat exchanger to have the following problems: when the heat exchanger is used as an evaporator of an air source heat pump, a gas-liquid two-phase refrigerant enters the heat exchanger and then flows through each flow of the heat exchanger in sequence, the volume of a collecting pipe part corresponding to each flow is gradually increased, but the proportion of a liquid-phase refrigerant corresponding to each flow is gradually reduced, the proportion of a gas-phase refrigerant corresponding to each flow is gradually increased, the liquid-phase refrigerant is influenced by gravity, the liquid-phase refrigerant is high in density and flows through a lower side flat pipe of each flow, phase change occurs to perform sufficient heat exchange, the gas-phase refrigerant is low in density and flows through an upper side flat pipe of each flow to perform temperature difference heat exchange, and heat exchange is insufficient. Therefore, when the existing micro-channel heat exchanger is used as an evaporator, gas-liquid two-phase refrigerants are extremely unevenly distributed among the flat pipes in each flow, so that the effective heat exchange area of each flow is greatly reduced, and the overall heat exchange performance of the heat exchanger is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a microchannel concurrent flow heat exchanger can increase effective heat transfer area, improves the whole heat transfer performance of heat exchanger.
The utility model provides a micro-channel parallel flow heat exchanger, which comprises a first collecting pipe, a second collecting pipe and a flat pipe group, wherein the first collecting pipe and the second collecting pipe are parallel to each other, and the flat pipe group is arranged between the first collecting pipe and the second collecting pipe; a first clapboard is arranged in the first collecting pipe, a second clapboard is arranged in the second collecting pipe, and the second clapboard is positioned above the first clapboard; the first collecting pipe is divided into a first lower chamber and a first upper chamber by the first partition plate, and the second collecting pipe is divided into a second lower chamber and a second upper chamber by the second partition plate;
the flat pipe group comprises a plurality of first flat pipes corresponding to the first lower cavity, a plurality of second flat pipes corresponding to the second upper cavity and a plurality of third flat pipes arranged between the first partition plate and the second partition plate; the first flat pipes are sequentially arranged from top to bottom, the length of the first flat pipes extending into the first collecting pipe is gradually increased from top to bottom, and the lengths of the first flat pipes extending into the second collecting pipe are equal; the second flat pipes are sequentially arranged from top to bottom, the length of the second flat pipes extending into the first collecting pipe is gradually increased from top to bottom, and the lengths of the second flat pipes extending into the second collecting pipe are equal; each third flat pipe is arranged from top to bottom in sequence, the length of each third flat pipe extending into the first collecting pipe is equal, and the length of each third flat pipe extending into the second collecting pipe is gradually increased from top to bottom.
According to the utility model provides a pair of microchannel parallel flow heat exchanger, each first flat pipe is parallel to each other, and each first flat pipe perpendicular to respectively first pressure manifold.
According to the utility model provides a pair of microchannel parallel flow heat exchanger, each the flat pipe of second is parallel to each other, and each the flat pipe perpendicular to respectively of second first pressure manifold.
According to the utility model provides a pair of microchannel parallel flow heat exchanger, each the flat pipe of third is parallel to each other, and each the flat pipe perpendicular to respectively of third the first pressure manifold.
According to the utility model provides a pair of microchannel parallel flow heat exchanger, the bottom of first pressure manifold is equipped with the import, the import with first cavity is linked together.
According to the utility model provides a pair of microchannel concurrent flow heat exchanger, the top of second pressure manifold is equipped with the export, the export with the second is gone up the cavity and is linked together.
According to the utility model provides a pair of microchannel parallel flow heat exchanger, the quantity of first flat pipe is less than the quantity of the flat pipe of third, the quantity of the flat pipe of third is less than the quantity of the flat pipe of second.
According to the utility model provides a pair of microchannel parallel flow heat exchanger, adjacent two between the first flat pipe, adjacent two between the second flat pipe, adjacent two between the third flat pipe, adjacent first flat pipe with between the third flat pipe and adjacent the second flat pipe with all be equipped with the fin between the third flat pipe, be equipped with the crack on the fin.
According to the utility model provides a pair of microchannel parallel flow heat exchanger, adjacent two interval, adjacent two between the first flat pipe interval, adjacent two between the second flat pipe interval, adjacent two between the third flat pipe interval, adjacent first flat pipe with interval and adjacent between the third flat pipe the second flat pipe with interval between the third flat pipe is equal.
According to the utility model provides a microchannel parallel flow heat exchanger, the inside of each first flat pipe is equipped with a plurality of first runners respectively, a plurality of first runners set up along the width direction interval of first flat pipe, and the length extending direction of each first runner all is unanimous with the length extending direction of first flat pipe; a plurality of second flow channels are respectively arranged in each second flat pipe, the second flow channels are arranged at intervals along the width direction of the second flat pipe, and the length extension direction of each second flow channel is consistent with that of the second flat pipe; a plurality of third runners are respectively arranged in the third flat tubes, the third runners are arranged at intervals along the width direction of the third flat tubes, and the length extension direction of each third runner is consistent with that of the third flat tube.
The utility model provides an above-mentioned one or more technical scheme has one of following technological effect at least:
the utility model provides a microchannel concurrent flow heat exchanger, including first pressure manifold, second pressure manifold and flat tube nest, through set up the first baffle in first pressure manifold, thus separate first pressure manifold into first cavity and first upper chamber, through set up the second baffle in the second pressure manifold, thus separate the second pressure manifold into second cavity and second upper chamber; the flat pipe group comprises a plurality of first flat pipes corresponding to the first lower cavity, a plurality of second flat pipes corresponding to the second upper cavity and a plurality of third flat pipes arranged between the first partition plate and the second partition plate, wherein the length of each first flat pipe extending into the first collecting pipe is gradually increased from top to bottom, and the length of each first flat pipe extending into the second collecting pipe is equal, so that the flowing resistance of the refrigerant in the first flat pipe at the lower side can be increased, the flowing path of the liquid-phase refrigerant can be changed, the liquid-phase refrigerant can exchange heat with the first flat pipe at the upper side in a circulating manner, the influence of gravity on the distribution of the refrigerant is weakened, and the effective heat exchange area of the refrigerant in the first flat pipes is increased; the length of each second flat pipe extending into the first collecting pipe is gradually increased from top to bottom, and the length of each second flat pipe extending into the second collecting pipe is equal, so that the flowing resistance of the refrigerant in the second flat pipe positioned on the lower side can be increased, the flowing path of the liquid-phase refrigerant can be changed, the liquid-phase refrigerant can exchange heat with the second flat pipe positioned on the upper side in a circulating manner, the influence of gravity on the distribution of the refrigerant is weakened, and the effective heat exchange area of the refrigerant in the second flat pipe is increased; wherein make each third flat pipe stretch into the length in the first pressure manifold equal, make each third flat pipe stretch into the length in the second pressure manifold from last to increasing gradually down to can increase the resistance that the refrigerant flows in the third flat pipe that is located the downside, be used for changing the flow path of liquid phase refrigerant, make the liquid phase refrigerant can circulate the heat transfer with the third flat pipe that is located the upside, thereby weaken the influence of gravity to the refrigerant distribution, increased the effective heat transfer area of refrigerant in the third flat pipe. Therefore, the utility model provides a microchannel concurrent flow heat exchanger can make the distribution of refrigerant more even, has increased effective heat transfer area, and then has improved the whole heat transfer performance of heat exchanger.
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
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the following briefly introduces the drawings required for the embodiments or the prior art descriptions, and obviously, the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a microchannel parallel flow heat exchanger provided by the present invention;
FIG. 2 is a schematic view of the arrangement of fins in the present invention;
fig. 3 is a schematic sectional view of the first flat tube in the present invention.
Reference numerals:
1: a first header; 11: a first lower chamber; 12: a first upper chamber;
2: a second header; 21: a second lower chamber; 22: a second upper chamber;
3: a flat tube group; 31: a first flat tube; 32: a second flat tube;
33: a third flat tube; 310: a first flow passage; 4: a first separator;
5: a second separator; 6: an inlet; 7: an outlet;
8: a fin; 9: and (6) punching the seam.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the embodiments of the present invention can be understood in specific cases by those skilled in the art.
In embodiments of the invention, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., 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 an embodiment of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to 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. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Specific embodiments of the microchannel parallel flow heat exchanger of the present invention are described below with reference to fig. 1 to 3.
The utility model discloses microchannel parallel flow heat exchanger, including first pressure manifold 1, second pressure manifold 2 and set up flat nest of tubes 3 between first pressure manifold 1 and second pressure manifold 2, first pressure manifold 1 and second pressure manifold 2 all are vertical to the setting to be parallel to each other between first pressure manifold 1 and the second pressure manifold 2. Each flat pipe in the flat pipe group 3 all is the level to setting up to the both ends of each flat pipe correspond the intercommunication with first pressure manifold 1, second pressure manifold 2 respectively.
The first collecting pipe 1 is provided with a first clapboard 4, the second collecting pipe 2 is provided with a second clapboard 5, and the second clapboard 5 is positioned above the first clapboard 4. The first partition plate 4 partitions the inner space of the first header 1 into a first lower chamber 11 and a first upper chamber 12, and the second partition plate 5 partitions the inner space of the second header 2 into a second lower chamber 21 and a second upper chamber 22.
The flat tube group 3 includes a plurality of first flat tubes 31 corresponding to the first lower chambers 11, a plurality of second flat tubes 32 corresponding to the second upper chambers 22, and a plurality of third flat tubes 33 disposed between the first and second bulkheads 4 and 5. That is, the first lower chamber 11 and each first flat tube 31 are communicated with each other to form a first flow path, the first upper chamber 12, the second lower chamber 21 and each third flat tube 33 are communicated with each other to form a second flow path, and the second upper chamber 22 and each second flat tube 32 are communicated with each other to form a third flow path.
Wherein, each first flat pipe 31 is arranged from last to down in proper order, and each first flat pipe 31 stretches into the length that reaches in the first pressure manifold 1 from last to down crescent, and each first flat pipe 31 stretches into the length that reaches in the second pressure manifold 2 and equals. That is, the length of each first flat tube 31 gradually increases from top to bottom. The arrangement mode of each first flat pipe 31 can gradually increase the flowing resistance of the liquid-phase refrigerant in the first flat pipe 31 positioned on the lower side, so that the flowing path of the liquid-phase refrigerant in the first flow is changed, part of the liquid-phase refrigerant can circulate and exchange heat with the first flat pipe 31 positioned on the upper side, the influence of gravity on refrigerant distribution is weakened, and the effective heat exchange area of the refrigerant in each first flat pipe 31 is increased.
Each flat pipe 32 of second arranges from last to down in proper order, and each flat pipe 32 of second stretches into the length that reaches in the first pressure manifold 1 from last to increasing gradually down, and the length that each flat pipe 32 of second stretches into in the second pressure manifold 2 equals. That is, the length of each second flat tube 32 gradually increases from top to bottom. The arrangement mode of the second flat tubes 32 can gradually increase the flowing resistance of the liquid-phase refrigerant in the second flat tubes 32 positioned on the lower side, so that the flowing path of the liquid-phase refrigerant in the third flow path is changed, part of the liquid-phase refrigerant can circulate and exchange heat with the second flat tubes 32 positioned on the upper side, the influence of gravity on refrigerant distribution is weakened, and the effective heat exchange area of the refrigerant in the second flat tubes 32 is increased.
Each flat pipe 33 of third arranges from last to down in proper order, and the length that each flat pipe 33 of third stretches into to first pressure manifold 1 equals, and the length that each flat pipe 33 of third stretches into to second pressure manifold 2 is from last to increasing gradually down. That is, the length of each second flat tube 32 gradually increases from top to bottom. The arrangement mode of each third flat tube 33 can gradually increase the resistance of the liquid-phase refrigerant flowing in the third flat tube 33 positioned on the lower side, so that the flow path of the liquid-phase refrigerant in the second flow path is changed, part of the liquid-phase refrigerant can circulate and exchange heat with the third flat tube 33 positioned on the upper side, the influence of gravity on refrigerant distribution is weakened, and the effective heat exchange area of the refrigerant in each third flat tube 33 is increased.
Therefore, the utility model discloses microchannel concurrent flow heat exchanger can make the distribution of refrigerant more even, has increased effective heat transfer area, and then has improved the whole heat transfer performance of heat exchanger.
Specifically, the first flat tubes 31 are parallel to each other, and the first flat tubes 31 are perpendicular to the first collecting pipe 1. Each second flat pipe 32 is parallel to each other, and each second flat pipe 32 is perpendicular to first pressure manifold 1 respectively. Each third flat pipe 33 is parallel to each other, and each third flat pipe 33 is perpendicular to the first pressure manifold 1 respectively.
In the embodiment of the present invention, an inlet 6 is provided at the bottom of the first collecting pipe 1, and the inlet 6 is communicated with the first lower chamber 11. An outlet 7 is provided at the top of the second header 2, which outlet 7 communicates with the second upper chamber 22. That is, for the first flow, the inlet side is located at the first collecting pipe 1, so that the depth of each first flat pipe 31 extending into the first collecting pipe 1 is gradually increased from top to bottom, and the purpose of gradually increasing the flow resistance of the liquid-phase refrigerant in the first flat pipe 31 located at the lower side is achieved. For the second flow, the inlet side is located at the second collecting pipe 2, so that the depth of each third flat pipe 33 extending into the second collecting pipe 2 is gradually increased from top to bottom, and the purpose of gradually increasing the flow resistance of the liquid-phase refrigerant in the third flat pipe 33 located at the lower side is achieved. For the third flow, the inlet side is located in the first collecting pipe 1, so that the depth of each second flat pipe 32 extending into the first collecting pipe 1 is gradually increased from top to bottom, and the purpose of gradually increasing the flow resistance of the liquid-phase refrigerant in the second flat pipe 32 located on the lower side is achieved.
The utility model discloses an in the embodiment, the quantity of first flat pipe 31 is less than the quantity of the flat pipe 33 of third, and the quantity of the flat pipe 33 of third is less than the quantity of the flat pipe 32 of second. That is, the volume of the first flow path is smaller than the volume of the second flow path, and the volume of the second flow path is smaller than the volume of the third flow path.
The utility model discloses an in some embodiments, between two adjacent first flat pipes 31, between two adjacent flat pipes 32 of second, between two adjacent flat pipes 33 of third, between adjacent flat pipe 31 of first and the flat pipe 33 of third and adjacent flat pipe 32 of second and the flat pipe 33 of third between all be equipped with fin 8, be equipped with crack 9 on fin 8, and then reach the purpose of intensive heat transfer.
The utility model discloses an in the embodiment, interval between two adjacent first flat pipes 31, interval between two adjacent second flat pipes 32, interval between two adjacent third flat pipes 33, interval between adjacent first flat pipe 31 and the third flat pipe 33 and the interval between adjacent second flat pipe 32 and the third flat pipe 33 all equal.
In the embodiment of the utility model provides a, the inside of each first flat pipe 31 is equipped with a plurality of first runners 310 respectively, and a plurality of first runners 310 set up along the width direction interval of first flat pipe 31, and the length extending direction of each first runner 310 all is unanimous with the length extending direction of first flat pipe 31 to make the refrigerant flow through each first runner 310.
The inside of each flat pipe 32 of second is equipped with a plurality of second runners respectively, and a plurality of second runners set up along the width direction interval of the flat pipe 32 of second, and the length extending direction of each second runner all is unanimous with the length extending direction of the flat pipe 32 of second to make the refrigerant can flow through each second runner.
A plurality of third flow channels are respectively arranged in each third flat tube 33, the third flow channels are arranged at intervals along the width direction of the third flat tube 33, and the length extending direction of each third flow channel is consistent with the length extending direction of the third flat tube 33, so that the refrigerant can flow through each third flow channel.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. A microchannel parallel flow heat exchanger, comprising: the flat tube group is arranged between the first collecting tube and the second collecting tube; a first clapboard is arranged in the first collecting pipe, a second clapboard is arranged in the second collecting pipe, and the second clapboard is positioned above the first clapboard; the first collecting pipe is divided into a first lower chamber and a first upper chamber by the first partition plate, and the second collecting pipe is divided into a second lower chamber and a second upper chamber by the second partition plate;
The flat pipe group comprises a plurality of first flat pipes corresponding to the first lower cavity, a plurality of second flat pipes corresponding to the second upper cavity and a plurality of third flat pipes arranged between the first partition plate and the second partition plate; the first flat pipes are sequentially arranged from top to bottom, the length of the first flat pipes extending into the first collecting pipe is gradually increased from top to bottom, and the lengths of the first flat pipes extending into the second collecting pipe are equal; the second flat pipes are sequentially arranged from top to bottom, the length of the second flat pipes extending into the first collecting pipe is gradually increased from top to bottom, and the lengths of the second flat pipes extending into the second collecting pipe are equal; each third flat pipe is arranged from top to bottom in sequence, the length of each third flat pipe extending into the first collecting pipe is equal, and the length of each third flat pipe extending into the second collecting pipe is gradually increased from top to bottom.
2. The microchannel parallel flow heat exchanger of claim 1, wherein: each first flat pipe is parallel to each other, and each first flat pipe is perpendicular to respectively first pressure manifold.
3. The microchannel parallel flow heat exchanger of claim 1, wherein: each second flat pipe is parallel to each other, and each second flat pipe is perpendicular to respectively first pressure manifold.
4. The microchannel parallel flow heat exchanger of claim 1, wherein: each third flat pipe is parallel to each other, and each third flat pipe is perpendicular to respectively first pressure manifold.
5. The microchannel parallel flow heat exchanger of any one of claims 1 to 4, wherein: the bottom of the first collecting pipe is provided with an inlet, and the inlet is communicated with the first lower cavity.
6. The microchannel parallel flow heat exchanger of any one of claims 1 to 4, wherein: and an outlet is formed in the top of the second collecting pipe and communicated with the second upper chamber.
7. The microchannel parallel flow heat exchanger of any one of claims 1 to 4, wherein: the quantity of the first flat pipes is smaller than that of the third flat pipes, and the quantity of the third flat pipes is smaller than that of the second flat pipes.
8. The microchannel parallel flow heat exchanger of any one of claims 1 to 4, wherein: adjacent two between the first flat pipe, adjacent two between the second flat pipe, adjacent two between the third flat pipe, adjacent first flat pipe with between the third flat pipe and adjacent the second flat pipe with all be equipped with the fin between the third flat pipe, be equipped with the crack on the fin.
9. The microchannel parallel flow heat exchanger of any one of claims 1 to 4, wherein: adjacent two interval between the first flat pipe, adjacent two interval, adjacent two between the second flat pipe interval, adjacent two between the third flat pipe interval, adjacent first flat pipe with interval and adjacent between the third flat pipe the second flat pipe with interval between the third flat pipe is equal.
10. The microchannel parallel flow heat exchanger of any one of claims 1 to 4, wherein: a plurality of first flow channels are respectively arranged in each first flat pipe, the first flow channels are arranged at intervals along the width direction of the first flat pipe, and the length extension direction of each first flow channel is consistent with that of the first flat pipe; a plurality of second flow channels are respectively arranged in each second flat pipe, the second flow channels are arranged at intervals along the width direction of the second flat pipe, and the length extension direction of each second flow channel is consistent with that of the second flat pipe; a plurality of third runners are respectively arranged in the third flat tubes, the third runners are arranged at intervals along the width direction of the third flat tubes, and the length extension direction of each third runner is consistent with that of the third flat tube.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120366557.2U CN214469458U (en) | 2021-02-09 | 2021-02-09 | Micro-channel parallel flow heat exchanger |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120366557.2U CN214469458U (en) | 2021-02-09 | 2021-02-09 | Micro-channel parallel flow heat exchanger |
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| CN214469458U true CN214469458U (en) | 2021-10-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115355633A (en) * | 2022-05-20 | 2022-11-18 | 西安交通大学 | Variable-flow micro-channel heat exchanger and working method thereof |
-
2021
- 2021-02-09 CN CN202120366557.2U patent/CN214469458U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115355633A (en) * | 2022-05-20 | 2022-11-18 | 西安交通大学 | Variable-flow micro-channel heat exchanger and working method thereof |
| CN115355633B (en) * | 2022-05-20 | 2023-08-08 | 西安交通大学 | Variable flow microchannel heat exchanger and working method thereof |
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Address after: 100041 No. 69 Jinding North Road, Beijing, Shijingshan District Patentee after: Beijing Building Materials Inspection and Research Institute Co.,Ltd. Address before: 100041 No. 69 Jinding North Road, Beijing, Shijingshan District Patentee before: BEIJING BUILDING MATERIALS TESTING ACADEMY Co.,Ltd. |
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