CN205536697U - Take little channel evaporator refrigerating system of phase splitting device - Google Patents
Take little channel evaporator refrigerating system of phase splitting device Download PDFInfo
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- CN205536697U CN205536697U CN201620313888.9U CN201620313888U CN205536697U CN 205536697 U CN205536697 U CN 205536697U CN 201620313888 U CN201620313888 U CN 201620313888U CN 205536697 U CN205536697 U CN 205536697U
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- channel evaporator
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- regenerator
- phase
- neutral section
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Abstract
The utility model discloses a take little channel evaporator refrigerating system of phase splitting device. The utility model discloses the gas vent of compressor passes through the entry linkage of oil separator and condenser, the export and the regenerator high temperature medium entry linkage of condenser, and the export of regenerator high temperature medium is through solenoid valve and thermostatic expansion valve entry linkage, thermostatic expansion valve's the export and the middle part interface connection of phase splitting device, the bottom interface of phase splitting device and little channel evaporator's entry linkage, little channel evaporator's export is connected with the induction port of compressor, the third interface at the top of phase splitting device is connected with the low temperature medium inlet of regenerator, and the export of regenerator low temperature medium is parallelly connected with little channel evaporator export, together is connected with the induction port of compressor. The utility model discloses utilize the phase splitting device, carry out the phase separating after gas -liquid mixture working medium gets into, realize little single -phase liquid uniform distribution of channel evaporator, avoid the interference of gaseous phase to liquid phase distribution characteristic.
Description
Technical field
This utility model relates to refrigeration technology field, in particular, relates to use the refrigeration system of the split-phase feed flow of micro-channel evaporator.
Background technology
Micro-channel evaporator has that volume is little, lightweight, use the advantage such as few, the good effect of heat exchange of cold-producing medium, the most expanded is applied to field of Refrigeration and Air-conditioning.
But micro-channel evaporator inner refrigerant assignment of traffic is uneven relatively big on the impact of its heat transfer effect, and distributing uniformity is affected by collector and the factor such as channel design form and size, operating condition, cold-producing medium states of matter, is the problem of a complex.
Summary of the invention
This utility model purpose is the technical problem uneven for existing micro-channel evaporator gas-liquid two-phase feed flow, and the micro-channel evaporator refrigeration system of a kind of band cold-producing medium neutral section is provided, the most cold-producing medium close to single-phase liquid can be allowed to enter micro-channel evaporator, eliminate the pressure drop maldistribution of each liquid feeding pipeline, improve vaporizer flat tube feed flow distributing uniformity, and major part vapor phase refrigerant enters regenerator, while producing certain degree of supercooling after cold-producing medium condenses, the drop that in neutral section, gas phase is swept along can be avoided to be directly entered compressor air suction mouth, make full use of heat exchanger heat exchange area, raising system heat exchange property.The size of liquid supply rate is ensured by the degree of superheat of micro-channel evaporator gas piping, has both improved distributing uniformity, has ensured again the liquid supply rate of economical and efficient.
Be the technical scheme is that by realizing the purpose of this utility model
A kind of micro-channel evaporator refrigeration system of band neutral section, including compressor, neutral section, micro-channel evaporator, condenser, oil eliminator, electromagnetic valve, heating power expansion valve, regenerator, the air vent of described compressor is connected with the entrance of described condenser by oil eliminator, the outlet of described condenser is connected with described regenerator high-temperature medium entrance, the outlet of described regenerator high-temperature medium is connected with described thermal expansion valve inlet by electromagnetic valve, the outlet of described heating power expansion valve is connected with the middle part interface of described neutral section, the bottom interface of described neutral section is connected with the entrance of described micro-channel evaporator, the outlet of described micro-channel evaporator is connected with the air entry of described compressor；3rd interface at the top of described neutral section is connected with the cryogenic media entrance of described regenerator, and the outlet of described regenerator cryogenic media is in parallel with the outlet of described micro-channel evaporator, and together the air entry with described compressor is connected.
Described neutral section uses T-type structure, and gas-liquid mixed working medium carries out split-phase after entering, and major part liquid is entered described micro-channel evaporator by bottom nozzles, and major part gas is connected with described regenerator cryogenic media entrance by top adapter.Described heating power expansion valve degree of superheat temperature-sensitive bag is arranged on outside described micro-channel evaporator outlet.
Compared with prior art, the beneficial effects of the utility model are:
1, the micro-channel evaporator refrigeration system of band neutral section of the present utility model, utilize neutral section, gas-liquid two-phase is made to separate, single-phase liquid enters distribution pipe uniform distribution by the adapter bottom micro-channel evaporator, complicated two phase flow distribution is converted into single-phase flow distribution, it is to avoid the gas phase interference to liquid phase partition characteristic, each pipeline of vaporizer can be made to be evenly supplied liquid refrigerant, make full use of the heat exchange area of vaporizer, improve micro-channel evaporator overall heat exchange performance.
2, the micro-channel evaporator refrigeration system of band neutral section of the present utility model, use regenerator, both certain degree of supercooling was produced after can having made gas condensation, the drop swept along in vapor phase refrigerant after can making split-phase again absorbs heat in regenerator and evaporates further, subsequently into compressor air suction mouth, avoid the liquid hammer of compressor, it is possible to utilize extraction cycle and then improve performance of refrigerant systems.
3, the micro-channel evaporator refrigeration system of band neutral section of the present utility model, liquid supply rate is ensured by the degree of superheat of micro-channel evaporator gas piping, employing heating power expansion valve controls, can ensure when variable working condition, still there is preferable single-phase feed flow effect, whole refrigeration system is safe and reliable, easy to use, is conducive to promoting in field of Refrigeration and Air-conditioning.
Accompanying drawing explanation
Fig. 1 show the schematic diagram of the micro-channel evaporator refrigeration system of band neutral section of the present utility model.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, this utility model is described in further detail.
The schematic diagram of the micro-channel evaporator refrigeration system of this utility model band neutral section is as shown in Figure 1, including compressor 1, neutral section 7, micro-channel evaporator 8, condenser 3, oil eliminator 2, electromagnetic valve 5, heating power expansion valve 6, regenerator 4, the air vent of described compressor 1 is connected with the entrance of described condenser 3 by oil eliminator 2, the outlet of described condenser 3 is connected with described regenerator 4 high-temperature medium entrance, the outlet of described regenerator 4 high-temperature medium is connected with described heating power expansion valve 6 entrance by electromagnetic valve 5, the outlet of described heating power expansion valve 6 is connected with the middle part interface of described neutral section 7, the bottom interface of described neutral section 7 is connected with the entrance of described micro-channel evaporator 8, the outlet of described micro-channel evaporator 8 is connected with the air entry of described compressor 1；The top interface of described neutral section 7 is connected with the cryogenic media entrance of described regenerator 4, and the outlet of described regenerator 4 cryogenic media exports in parallel with described micro-channel evaporator 8, and is connected with the air entry of compressor 1.
In the present embodiment, described neutral section 7 uses T-type structure, and gas-liquid mixed working medium carries out split-phase after entering, and major part liquid is entered described micro-channel evaporator 8 by bottom nozzles, and major part gas is connected with described regenerator 4 cryogenic media entrance by top adapter；Described heating power expansion valve 6 degree of superheat temperature-sensitive bag is arranged on outside described micro-channel evaporator 8 outlet.
The micro-channel evaporator refrigeration system of the band neutral section of utility model, utilize neutral section, gas-liquid two-phase is made to separate, single-phase liquid enters distribution pipe uniform distribution by the adapter bottom micro-channel evaporator, complicated two phase flow distribution is converted into single-phase flow distribution, each pipeline of vaporizer can be made to be evenly supplied liquid refrigerant；Use regenerator, the drop swept along in vapor phase refrigerant after both can making split-phase absorb heat in regenerator and evaporates further, it is to avoid the liquid hammer of compressor, may utilize again extraction cycle and improves performance of refrigerant systems；Liquid supply rate is ensured by the degree of superheat of micro-channel evaporator gas piping, uses heating power expansion valve to control, it is ensured that when variable working condition, still there is preferable single-phase feed flow effect, make full use of the heat exchange area of vaporizer, improve heat exchanger heat exchange property, and then improve performance of refrigerant systems.
The above is only preferred implementation of the present utility model; it should be noted that; for those skilled in the art; on the premise of without departing from this utility model principle; can also make some improvements and modifications, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (3)
1. the micro-channel evaporator refrigeration system of a band neutral section, it is characterized in that, including compressor, neutral section, micro-channel evaporator, condenser, oil eliminator, electromagnetic valve, heating power expansion valve and regenerator, the air vent of described compressor is connected with the entrance of condenser by oil eliminator, the outlet of described condenser is connected with regenerator high-temperature medium entrance, the outlet of described regenerator high-temperature medium is connected with thermal expansion valve inlet by electromagnetic valve, the outlet of described heating power expansion valve is connected with the middle part interface of neutral section, the bottom interface of described neutral section is connected with the entrance of micro-channel evaporator, the outlet of described micro-channel evaporator is connected with the air entry of compressor；The top interface of described neutral section is connected with the cryogenic media entrance of regenerator, and the outlet of described regenerator cryogenic media is in parallel with the outlet of described micro-channel evaporator, and is connected with the air entry of described compressor.
The micro-channel evaporator refrigeration system of band neutral section the most according to claim 1, it is characterized in that, described neutral section uses T-type structure, gas-liquid mixed working medium carries out split-phase after entering, liquid is entered described micro-channel evaporator by bottom nozzles, and gas is connected with described regenerator cryogenic media entrance by top adapter.
The micro-channel evaporator refrigeration system of band neutral section the most according to claim 1, it is characterised in that the degree of superheat temperature-sensitive bag of described heating power expansion valve is arranged on outside described micro-channel evaporator outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620313888.9U CN205536697U (en) | 2016-04-15 | 2016-04-15 | Take little channel evaporator refrigerating system of phase splitting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620313888.9U CN205536697U (en) | 2016-04-15 | 2016-04-15 | Take little channel evaporator refrigerating system of phase splitting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205536697U true CN205536697U (en) | 2016-08-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620313888.9U Expired - Fee Related CN205536697U (en) | 2016-04-15 | 2016-04-15 | Take little channel evaporator refrigerating system of phase splitting device |
Country Status (1)
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| CN (1) | CN205536697U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109489307A (en) * | 2018-12-04 | 2019-03-19 | 天津商业大学 | Double-flow micro-channel evaporator with double liquid supply pipes and air guide tubule |
| CN109631374A (en) * | 2018-12-04 | 2019-04-16 | 天津商业大学 | A kind of refrigeration system with novel double-flow micro-channel evaporator |
-
2016
- 2016-04-15 CN CN201620313888.9U patent/CN205536697U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109489307A (en) * | 2018-12-04 | 2019-03-19 | 天津商业大学 | Double-flow micro-channel evaporator with double liquid supply pipes and air guide tubule |
| CN109631374A (en) * | 2018-12-04 | 2019-04-16 | 天津商业大学 | A kind of refrigeration system with novel double-flow micro-channel evaporator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20160831 Termination date: 20170415 |