CN210220301U - High-efficient microchannel heat exchanger structure - Google Patents
High-efficient microchannel heat exchanger structure Download PDFInfo
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- CN210220301U CN210220301U CN201921029301.1U CN201921029301U CN210220301U CN 210220301 U CN210220301 U CN 210220301U CN 201921029301 U CN201921029301 U CN 201921029301U CN 210220301 U CN210220301 U CN 210220301U
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Abstract
The utility model provides a high-efficiency micro-channel heat exchanger structure, which comprises two collecting pipes, a plurality of micro-channel flat pipes inserted and connected between the two collecting pipes and a heat exchange fin arranged between any two micro-channel flat pipes, wherein the collecting pipes comprise a plurality of collecting pipe units which are sequentially connected in a straight line shape, a slotted hole for inserting the micro-channel flat pipes is arranged between the end parts of the two adjacent collecting pipe units, the end part of a micro-channel hole of each micro-channel flat pipe is also connected with an expanding channel pipe, one end of the pipe orifice of the expanding channel pipe is connected with a baffle plate, the collecting pipe connected with the baffle plate is internally provided with a through hole communicated with the expanding channel pipe, the baffle plate divides the collecting pipe into two cavities, namely a first cavity and a second cavity, the micro-channel flat pipes are inserted and arranged in the first cavity, and the through hole is communicated with the second cavity and the micro-channel hole in the micro-channel flat pipes, the utility model can, and the heat exchange efficiency is improved.
Description
Technical Field
The utility model relates to a heat exchanger, especially a high-efficient microchannel heat exchanger structure.
Background
The existing microchannel heat exchanger generally comprises two collecting pipes, a plurality of microchannel flat pipes inserted between the two collecting pipes and heat exchange fins between the flat pipes. The cross section of the collecting pipe is generally circular, and the cross section of the flat pipe is generally approximate to rectangle. In the existing micro-channel heat exchanger, the flat tube is generally inserted into a deeper position in the collecting tube, and this causes the refrigerant to be greatly hindered by the flat tube when flowing in the collecting tube, resulting in large loss. As a result, the resistance to refrigerant flow through the header is increased, and the resulting large pressure drop of the refrigerant can also adversely affect system performance.
Therefore, there is a need for a highly efficient microchannel heat exchanger structure that can reduce the pressure loss caused by the resistance when the refrigerant flows in the header and improve the heat exchange efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a high-efficient microchannel heat exchanger structure can reduce the pressure loss that the refrigerant caused because of the resistance when the collecting pipe is inside to flow, and improves its heat exchange efficiency.
The utility model provides a following technical scheme:
a high-efficiency micro-channel heat exchanger structure comprises two collecting pipes, a plurality of micro-channel flat pipes inserted between the two collecting pipes and heat exchange fins arranged between any two micro-channel flat pipes, wherein one end of one collecting pipe is connected with a cooling liquid inlet used for inputting a refrigerant, one end of the other collecting pipe is connected with a cooling liquid outlet used for outputting the refrigerant, the collecting pipe comprises a plurality of collecting pipe units sequentially connected in a linear mode, a slotted hole for inserting the micro-channel flat pipe is formed between the end parts of two adjacent collecting pipe units, one end of the micro-channel flat pipe is inserted into a pipeline of the collecting pipe unit through the slotted hole, and the periphery of the micro-channel flat pipe is connected with the inner wall of the slotted hole in a sealing mode; the end part of a micro-channel hole of the micro-channel flat tube is further connected with a flaring channel tube, one end of a tube opening of the flaring channel tube is connected with a partition plate, the partition plate is connected with the inside of the collecting tube and is provided with a through hole communicated with the flaring channel tube, the collecting tube is divided into two chambers, namely a first chamber and a second chamber by the partition plate, the micro-channel flat tube is inserted into the first chamber, and the through hole is communicated with the second chamber and the micro-channel hole in the micro-channel flat tube.
Preferably, the flaring channel pipe is a circular truncated cone-shaped channel flaring outwards away from the micro-channel flat pipe.
Preferably, the through hole is a hole with a flaring facing away from one end of the micro-channel flat tube.
Preferably, the partition plate and each header unit are sealed by welding.
Preferably, any two collecting pipe units are fixed by welding, and the collecting pipe units and the micro-channel flat pipes are sealed by welding.
The utility model has the advantages that: because the microchannel hole tip at the microchannel flat pipe still is connected with flaring channel pipe, and the main port of flaring channel pipe is linked together with the through-hole on the baffle, consequently follow the coolant liquid that collecting main one end coolant liquid import got into, can unimpededly get into, thereby can make loss of pressure reduce by a wide margin, thereby the work energy consumption of equipment has been reduced effectively, and the system efficiency is improved, simultaneously because the coolant liquid is the microchannel flat pipe that gets into from flaring channel pipe and through-hole of flaring shape, it has increaseed the entry that the coolant liquid got into the microchannel flat pipe, through the increase of entry area, thereby make liquid can make things convenient for more in the quick microchannel flat pipe that gets into, provide the cooling effect.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a sectional view of the structure of the present invention;
FIG. 2 is a side view of a microchannel flat tube;
FIG. 3 is a schematic view of the connection between two header units;
notation in the figure: the device comprises a collecting pipe 1, a micro-channel flat pipe 2, a collecting pipe unit 3, a slotted hole 4, a flaring channel pipe 5, a partition plate 6 and a through hole 7.
Detailed Description
With reference to fig. 1 to 3, in this embodiment, the structure includes two collecting pipes 1, a plurality of micro-channel flat pipes 2 inserted between the two collecting pipes 1, and a heat exchange fin disposed between any two micro-channel flat pipes 2, wherein one end of one collecting pipe 1 is connected to a cooling liquid inlet for inputting a refrigerant, one end of the other collecting pipe 1 is connected to a cooling liquid outlet for outputting the refrigerant, the collecting pipe 1 includes a plurality of collecting pipe units 3 sequentially connected in a straight line shape, a slot 4 for inserting the micro-channel flat pipe 2 is further disposed between the ends of two adjacent collecting pipe units 3, one end of the micro-channel flat pipe 2 is inserted into a pipeline of the collecting pipe unit 3 through the slot 4, and the periphery of the micro-channel flat pipe 2 is hermetically connected to the inner wall of the slot 4; the tip of the microchannel hole of microchannel flat pipe 2 still is connected with flaring channel pipe 5, the mouth of pipe one end of flaring channel pipe 5 links to each other with a baffle 6, in the pressure manifold 1 that baffle 6 is connected, and be equipped with the through-hole 7 with flaring channel pipe 5 intercommunication on it, and baffle 6 divides into two cavities with pressure manifold 1, be first cavity and second cavity respectively, microchannel flat pipe 2 inserts and establishes in first cavity, and through-hole 7 communicates the microchannel hole in second cavity and microchannel flat pipe 2.
The flaring channel pipe 5 is a truncated cone-shaped channel flaring outwards away from the micro-channel flat pipe 2.
The through hole 7 is a hole with a flaring towards one end deviating from the micro-channel flat tube 2.
The partition 6 and each header unit 3 are sealed by welding.
All through welded fastening between two arbitrary pressure manifold units 3, and also through welded sealing between pressure manifold unit 3 and microchannel flat pipe 2.
The utility model discloses a theory of operation is: because the microchannel hole tip at microchannel flat pipe 2 still is connected with flaring channel pipe 5, and the main port of flaring channel pipe 5 is linked together with through-hole 7 on the baffle 6, consequently, the coolant liquid that gets into from the flaring channel pipe 5 of pressure manifold 1 one end coolant liquid import, can unimpededly get into, thereby can make pressure loss reduce by a wide margin, thereby the work energy consumption of equipment has been reduced effectively, and the system efficiency is improved, simultaneously because the coolant liquid is the microchannel flat pipe 2 that gets into from flaring channel pipe 5 and through-hole 7 of flaring shape, it has increaseed the entry that the coolant liquid got into microchannel flat pipe 2, through the increase of entry area, thereby make liquid can make things convenient for more in the quick entering microchannel flat pipe 2, provide the cooling effect.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. 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 (5)
1. A high-efficiency micro-channel heat exchanger structure comprises two collecting pipes, a plurality of micro-channel flat pipes inserted between the two collecting pipes and heat exchange fins arranged between any two micro-channel flat pipes, wherein one end of one collecting pipe is connected with a cooling liquid inlet used for inputting a refrigerant, and one end of the other collecting pipe is connected with a cooling liquid outlet used for outputting the refrigerant;
the end part of a micro-channel hole of the micro-channel flat tube is further connected with a flaring channel tube, one end of a tube opening of the flaring channel tube is connected with a partition plate, the partition plate is connected with the inside of the collecting tube and is provided with a through hole communicated with the flaring channel tube, the collecting tube is divided into two chambers, namely a first chamber and a second chamber by the partition plate, the micro-channel flat tube is inserted into the first chamber, and the through hole is communicated with the second chamber and the micro-channel hole in the micro-channel flat tube.
2. The structure of claim 1, wherein the flared channel tube is a truncated cone shaped channel that flares outwardly away from the flat microchannel tube.
3. A high efficiency microchannel heat exchanger structure as claimed in claim 1, wherein the through holes are holes that flare towards the end facing away from the flat tubes of the microchannel.
4. A high efficiency microchannel heat exchanger structure as recited in claim 1, wherein said partition is sealed to each of said manifold units by welding.
5. The structure of claim 1, wherein any two header units are fixed by welding, and the header units and the microchannel flat tubes are sealed by welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921029301.1U CN210220301U (en) | 2019-07-04 | 2019-07-04 | High-efficient microchannel heat exchanger structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921029301.1U CN210220301U (en) | 2019-07-04 | 2019-07-04 | High-efficient microchannel heat exchanger structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210220301U true CN210220301U (en) | 2020-03-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921029301.1U Active CN210220301U (en) | 2019-07-04 | 2019-07-04 | High-efficient microchannel heat exchanger structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210220301U (en) |
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2019
- 2019-07-04 CN CN201921029301.1U patent/CN210220301U/en active Active
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