CN217541138U - Flute type micro-channel heat exchanger and heat pump system thereof - Google Patents
Flute type micro-channel heat exchanger and heat pump system thereof Download PDFInfo
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- CN217541138U CN217541138U CN202221707066.0U CN202221707066U CN217541138U CN 217541138 U CN217541138 U CN 217541138U CN 202221707066 U CN202221707066 U CN 202221707066U CN 217541138 U CN217541138 U CN 217541138U
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- microchannel
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- check valve
- heat exchanger
- valve
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- 239000003507 refrigerant Substances 0.000 claims abstract description 21
- 230000008676 import Effects 0.000 claims 1
- 239000007788 liquid Substances 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 4
- 238000005057 refrigeration Methods 0.000 abstract description 4
- 239000012530 fluid Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
The utility model discloses a flute type microchannel heat exchanger and heat pump system thereof relates to heat exchanger and heat pump system technical field, and the microchannel heat exchanger divide into microchannel condenser and microchannel evaporator, including two parallel arrangement's pressure manifold, still include: the micro-channel flat tubes are parallelly inserted between the two collecting pipes, a plurality of fins are fixedly connected between every two adjacent micro-channel flat tubes, a flute-shaped sleeve is inserted into one end of each collecting pipe, and an outlet pipeline is fixedly connected to the other end of each collecting pipe. The utility model discloses an above-mentioned isotructure's cooperation has realized setting up coaxial flute type sleeve through the inside at the pressure manifold, can improve the double-phase degree of consistency of gas-liquid of microchannel entry refrigerant, has improved the effect of heat exchanger to its application in refrigeration, heat pump system has been proposed.
Description
Technical Field
The utility model relates to a heat exchanger and heat pump system technical field specifically are a flute type microchannel heat exchanger and heat pump system thereof.
Background
Compared with the traditional finned copper tube heat exchanger, the micro-channel heat exchanger has the advantages of smaller volume, lighter weight, better performance and better economic benefit, and is almost completely replaced in the field of automobile air conditioners.
When the microchannel heat exchanger is used as an evaporator, fluid entering the microchannel is in a gas-liquid two-phase state, so that the flow velocity and phase distribution of the fluid in the microchannel are uneven, and the heat exchange performance and the fluid dynamic performance of the microchannel heat exchanger are reduced.
In order to solve the problems, a flute-type micro-channel heat exchanger and a heat pump system thereof are provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a flute type microchannel heat exchanger and heat pump system thereof possesses and sets up coaxial flute type sleeve through the inside at the pressure manifold, can improve the double-phase degree of consistency of gas-liquid of microchannel entry refrigerant, has improved the effect of heat exchanger to its application in refrigeration, heat pump system has been proposed, the problem of proposing among the above-mentioned background art has been solved.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a flute type microchannel heat exchanger, microchannel heat exchanger divide into microchannel condenser and microchannel evaporator, includes two parallel arrangement's pressure manifold, still includes:
the micro-channel flat tubes are parallelly inserted between the two collecting pipes, a plurality of fins are fixedly connected between every two adjacent micro-channel flat tubes, a flute-shaped sleeve is inserted into one end of each collecting pipe, and an outlet pipeline is fixedly connected to the other end of each collecting pipe.
Preferably, the flute-shaped sleeve is fixedly sleeved with an end socket, and the end socket is connected with the end part of the collecting pipe.
A heat pump system of a flute-shaped micro-channel heat exchanger comprises a compressor, a micro-channel condenser, a one-way valve I, a one-way valve II, a throttle valve, a one-way valve III, a one-way valve IV, a micro-channel evaporator and a four-way reversing valve.
Preferably, the outlet of the compressor is connected with a four-way reversing valve, the other three ports of the four-way reversing valve are respectively connected with the inlet of the compressor, the micro-channel condenser and the micro-channel evaporator, the micro-channel condenser is connected with a throttling valve through a one-way valve I and a one-way valve II, and the throttling valve is connected with the micro-channel evaporator through a one-way valve III and a one-way valve IV.
Preferably, the first check valve is connected with the second check valve in parallel, the first check valve is connected with a flute-shaped sleeve on the micro-channel condenser, and the second check valve is connected with an outlet pipeline on the micro-channel condenser.
Preferably, the refrigerant flowing direction in the first check valve flows from the first check valve to the second check valve, and the refrigerant flowing direction in the second check valve is directed from the second microchannel condenser to the second check valve.
Preferably, the third check valve is connected with the fourth check valve in parallel, the third check valve is connected with a flute-shaped sleeve in the microchannel evaporator, and the fourth check valve is connected with an outlet pipeline on the microchannel evaporator.
Preferably, the refrigerant flowing direction in the check valve III flows from the check valve III to the microchannel evaporator, and the refrigerant flowing direction in the check valve IV flows from the microchannel evaporator to the check valve IV.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. through set up coaxial flute type sleeve pipe in the microchannel heat exchanger, when using as the evaporimeter, for not setting up the sleeve pipe, improved the velocity of flow of refrigerant, changed the flow pattern of refrigerant, improved the degree of consistency that the refrigerant gas-liquid two-phase mixes in the collector pipe to the degree of consistency and the heat transfer effect of refrigerant in the entering microchannel have been improved.
2. The microchannel heat exchanger can be switched between a refrigeration system and a heat pump system, when the two modes are switched between use, the flowing directions of refrigerants in the heat exchanger are opposite, the flute-shaped sleeve is unsuitable due to overlarge resistance when being used as a liquid collecting pipe, the refrigerants flow out from the other end of the pipe at the moment, and the two modes can be realized through the one-way valve.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of the microchannel heat exchanger of the present invention;
FIG. 2 is a schematic structural view of a flute-shaped casing according to the present invention;
fig. 3 is a schematic flow chart of the heat pump system of the present invention.
In the figure: 1. a header pipe; 2. micro-channel flat tubes; 3. a fin; 4. flute-shaped sleeves; 5. an outlet conduit; 6. sealing the end; 7. a compressor; 8. a microchannel condenser; 9. a one-way valve I; 10. a second one-way valve; 11. a throttle valve; 12. a one-way valve III; 13. a one-way valve IV; 14. a microchannel evaporator; 15. four-way reversing valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Referring to fig. 1 to 3, the present invention provides a technical solution: the utility model provides a flute type microchannel heat exchanger, microchannel heat exchanger divide into microchannel condenser 8 and microchannel evaporator 14, includes two parallel arrangement's pressure manifold 1, and during the microchannel heat exchanger was regarded as microchannel evaporator 14, the pressure manifold was the liquid diversion pipe this moment, and when the microchannel heat exchanger was regarded as microchannel condenser 8, the pressure manifold was the collector tube this moment, still included:
the micro-channel flat tubes 2 and the micro-channel flat tubes 2 are parallelly inserted between the two collecting tubes 1, a plurality of fins 3 are fixedly connected between the two adjacent micro-channel flat tubes 2, one end of each collecting tube 1 is inserted with a long flute type sleeve 4, and the other end of each collecting tube 1 is fixedly connected with an outlet pipeline 5.
The flute-shaped sleeve 4 is fixedly sleeved with an end socket 6, the end socket 6 is connected with the end part of the collecting pipe 1, and the end socket 6 plays a role in sealing the contact part of the flute-shaped sleeve 4 and the collecting pipe 1.
A heat pump system of a flute-shaped micro-channel heat exchanger comprises a compressor 7, a micro-channel condenser 8, a first check valve 9, a second check valve 10, a throttle valve 11, a third check valve 12, a fourth check valve 13, a micro-channel evaporator 14 and a four-way reversing valve 15.
The outlet of the compressor 7 is connected with a four-way reversing valve 15, the other three ports of the four-way reversing valve 15 are respectively connected with the inlet of the compressor 7, the micro-channel condenser 8 and the micro-channel evaporator 14, the micro-channel condenser 8 is connected with a throttle valve 11 through a first check valve 9 and a second check valve 10, and the throttle valve 11 is connected with the micro-channel evaporator 14 through a third check valve 12 and a fourth check valve 13.
The first check valve 9 is connected with the second check valve 10 in parallel, the first check valve 9 is connected with the flute-shaped sleeve 4 on the micro-channel condenser 8, and the second check valve 10 is connected with the outlet pipeline 5 on the micro-channel condenser 8.
The refrigerant flowing direction in the first check valve 9 flows from the first check valve 9 to the second micro-channel condenser 8, and the refrigerant flowing direction in the second check valve 10 is directed from the second micro-channel condenser 8 to the second check valve 10.
The three check valves 12 and the four check valves 13 are connected in parallel, the three check valves 12 are connected with the flute-shaped sleeve 4 in the microchannel evaporator 14, and the four check valves 13 are connected with the outlet pipeline 5 on the microchannel evaporator 14.
The refrigerant in the check valve three 12 flows from the check valve three 12 to the microchannel evaporator 14, and the refrigerant in the check valve four 13 flows from the microchannel evaporator 14 to the check valve four 13.
The compressor 7, the micro-channel condenser 8, the one-way valve I9, the one-way valve II 10, the throttle valve 11, the one-way valve III 12, the one-way valve IV 13, the micro-channel evaporator 14 and the four-way reversing valve 15 are connected through copper pipe lines.
When flute type microchannel heat exchanger is used as evaporator and condenser in refrigeration and heat pump set, the inlet and outlet directions of refrigerant in the microchannel heat exchanger are opposite after two modes are switched, and the system resistance is increased and the liquid collecting effect is influenced when flute type sleeve 4 is used as a liquid collecting pipe, so that one path of liquid collecting pipe is additionally arranged beside flute type sleeve 4, and the flute type sleeve and the liquid collecting pipe are switched and used through a throttle valve 11.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A flute type microchannel heat exchanger is characterized in that: the microchannel heat exchanger is divided into microchannel condenser (8) and microchannel evaporator (14), and includes two parallel arrangement's pressure manifold (1), still includes:
the micro-channel flat tubes (2) are parallelly inserted between the two collecting tubes (1), a plurality of micro-channel flat tubes (2) are fixedly connected between the two adjacent micro-channel flat tubes (2), a long flute type sleeve (4) is inserted into one end of each collecting tube (1), and an outlet pipeline (5) is fixedly connected to the other end of each collecting tube (1).
2. The flute-type microchannel heat exchanger of claim 1, wherein: a seal head (6) is fixedly sleeved on the flute-shaped sleeve (4), and the seal head (6) is connected with the end part of the collecting pipe (1).
3. The utility model provides a flute type microchannel heat exchanger's heat pump system which characterized in that: the micro-channel condenser comprises a compressor (7), a micro-channel condenser (8), a first check valve (9), a second check valve (10), a throttle valve (11), a third check valve (12), a fourth check valve (13), a micro-channel evaporator (14) and a four-way reversing valve (15).
4. The heat pump system of a flute type microchannel heat exchanger as set forth in claim 3, wherein: the export of compressor (7) links to each other with four-way reversing valve (15), the other three mouth of four-way reversing valve (15) links to each other with compressor (7) import, microchannel condenser (8) and microchannel evaporator (14) respectively, microchannel condenser (8) link to each other with choke valve (11) through check valve (9), check valve two (10), choke valve (11) link to each other with microchannel evaporator (14) through check valve three (12), check valve four (13).
5. The heat pump system of claim 4, wherein: the one-way valve I (9) is connected with the one-way valve II (10) in parallel, the one-way valve I (9) is connected with a flute-shaped sleeve (4) on the micro-channel condenser (8), and the one-way valve II (10) is connected with an outlet pipeline (5) on the micro-channel condenser (8).
6. The heat pump system of a flute type microchannel heat exchanger as set forth in claim 5, wherein: the flow direction of the refrigerant in the first check valve (9) flows from the first check valve (9) to the micro-channel condenser (8), and the flow direction of the refrigerant in the second check valve (10) points to the second check valve (10) from the micro-channel condenser (8).
7. The heat pump system of a flute type microchannel heat exchanger as set forth in claim 4, wherein: the three check valves (12) are connected with the four check valves (13) in parallel, the three check valves (12) are connected with flute-shaped sleeves (4) in the microchannel evaporator (14), and the four check valves (13) are connected with outlet pipelines (5) on the microchannel evaporator (14).
8. The heat pump system of claim 7, wherein: the refrigerant flowing direction in the check valve III (12) flows to the micro-channel evaporator (14) from the check valve III (12), and the refrigerant flowing direction in the check valve IV (13) flows to the check valve IV (13) from the micro-channel evaporator (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221707066.0U CN217541138U (en) | 2022-07-04 | 2022-07-04 | Flute type micro-channel heat exchanger and heat pump system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221707066.0U CN217541138U (en) | 2022-07-04 | 2022-07-04 | Flute type micro-channel heat exchanger and heat pump system thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217541138U true CN217541138U (en) | 2022-10-04 |
Family
ID=83421638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221707066.0U Expired - Fee Related CN217541138U (en) | 2022-07-04 | 2022-07-04 | Flute type micro-channel heat exchanger and heat pump system thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217541138U (en) |
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2022
- 2022-07-04 CN CN202221707066.0U patent/CN217541138U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20221004 |