CN113548188A - Cooling evaporation type water chilling unit for aircraft air conditioning refrigeration system - Google Patents

Cooling evaporation type water chilling unit for aircraft air conditioning refrigeration system Download PDF

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Publication number
CN113548188A
CN113548188A CN202110608300.8A CN202110608300A CN113548188A CN 113548188 A CN113548188 A CN 113548188A CN 202110608300 A CN202110608300 A CN 202110608300A CN 113548188 A CN113548188 A CN 113548188A
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CN
China
Prior art keywords
condenser
accommodating chamber
water
cooling
refrigeration system
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202110608300.8A
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Chinese (zh)
Inventor
徐伟
田志刚
孙祥文
谭志勇
王亮添
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Beijing New Airport Construction Headquarters
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Beijing New Airport Construction Headquarters
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Publication date
Application filed by Beijing New Airport Construction Headquarters filed Critical Beijing New Airport Construction Headquarters
Priority to CN202110608300.8A priority Critical patent/CN113548188A/en
Publication of CN113548188A publication Critical patent/CN113548188A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64DEQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D13/00Arrangements or adaptations of air-treatment apparatus for aircraft crew or passengers, or freight space, or structural parts of the aircraft
    • B64D13/06Arrangements or adaptations of air-treatment apparatus for aircraft crew or passengers, or freight space, or structural parts of the aircraft the air being conditioned
    • B64D13/08Arrangements or adaptations of air-treatment apparatus for aircraft crew or passengers, or freight space, or structural parts of the aircraft the air being conditioned the air being heated or cooled
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64DEQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D13/00Arrangements or adaptations of air-treatment apparatus for aircraft crew or passengers, or freight space, or structural parts of the aircraft
    • B64D13/02Arrangements or adaptations of air-treatment apparatus for aircraft crew or passengers, or freight space, or structural parts of the aircraft the air being pressurised
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B1/00Compression machines, plants or systems with non-reversible cycle
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B47/00Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass

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  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Pulmonology (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Other Air-Conditioning Systems (AREA)

Abstract

The invention discloses a cooling evaporative water chilling unit for an aircraft air conditioning refrigeration system, which comprises a shell and a control device arranged on the shell, wherein a first accommodating chamber and a second accommodating chamber which are separated by a partition plate are arranged in the shell; the bottom of the first accommodating chamber is used for air inlet, and the top of the first accommodating chamber is used for air outlet; a compressor and an evaporator are arranged in the second accommodating chamber; a pre-cooling mechanism and a condenser which are arranged up and down are arranged in the first accommodating chamber; the evaporator is respectively connected with the output end of the condenser and the input end of the compressor, and the precooling mechanism is respectively connected with the input end of the condenser and the output end of the compressor; the shell is also provided with a fan for realizing air outlet of the first accommodating chamber; the first containing chamber and the second containing chamber are separated by the partition plate, so that the normal work of other parts of the system can be effectively prevented from being influenced by water leakage or water floating of the condenser, and the working stability of the cooling evaporative water chilling unit is improved.

Description

Cooling evaporation type water chilling unit for aircraft air conditioning refrigeration system
Technical Field
The invention relates to the technical field of refrigeration air conditioners, in particular to a cooling evaporation type water chilling unit for an aircraft air conditioner refrigeration system.
Background
The traditional evaporative water chilling unit for the aircraft air conditioning refrigeration system generally arranges an evaporative condensation section on the upper layer in the unit and places other components of the system below the evaporative condensation section, but the overall height of the whole unit of the evaporative water chilling unit is higher due to the arrangement mode, the occupied placement space of the water chilling unit is large, and in the running process of the unit, if the evaporative condensation section above the unit has the problems of water floating, water leakage and the like, other components of the system below the unit can not work normally.
It is seen that improvements and enhancements to the prior art are needed.
Disclosure of Invention
In view of the defects of the prior art, the invention aims to provide a cooling evaporative water chilling unit for an aircraft air conditioning refrigeration system, wherein a first accommodating chamber and a second accommodating chamber are separated by a partition plate, so that the problem that other components of the system cannot work normally due to water leakage or water floating of a condenser can be effectively avoided, and the stability of the cooling evaporative water chilling unit during working is improved.
In order to achieve the purpose, the invention adopts the following technical scheme:
a cooling evaporation type water chilling unit for an aircraft air conditioning refrigeration system comprises a shell and a control device arranged on the shell, wherein a first accommodating chamber and a second accommodating chamber are arranged in the shell, and a partition plate is arranged between the first accommodating chamber and the second accommodating chamber; the bottom of the first accommodating chamber is provided with an air inlet, and the top of the first accommodating chamber is provided with an air outlet; a compressor and an evaporator are arranged in the second accommodating chamber; a pre-cooling mechanism and a condenser are arranged in the first accommodating chamber, and the condenser is positioned below the pre-cooling mechanism; the evaporator is respectively connected with the output end of the condenser and the input end of the compressor, and the precooling mechanism is respectively connected with the input end of the condenser and the output end of the compressor; the shell is also provided with a fan, and the fan is arranged on the air outlet side of the air outlet; the fan and the compressor are respectively electrically connected with the control device.
In the cooling evaporative water chilling unit for the aircraft air conditioning refrigeration system, the precooling mechanism comprises a precooler, and the precooler is respectively connected with the input end of the condenser and the output end of the compressor.
In the cooling evaporation type water chilling unit for the aircraft air conditioning refrigeration system, an auxiliary heat dissipation mechanism is further arranged in the second accommodating chamber and used for enhancing the cooling effect of the condenser on the refrigerant.
In the evaporative cooling water chiller for the aircraft air conditioning refrigeration system, the auxiliary heat dissipation mechanism comprises a water distributor and a water collection tray, the water distributor is arranged above the condenser, and the water collection tray is arranged below the condenser; and a circulating water pump is arranged in the water collecting tray, the water collecting tray is connected with the water distributor, and the circulating water pump is electrically connected with the control device.
In the cooling evaporation type water chilling unit for the aircraft air conditioning refrigeration system, an auxiliary cooling mechanism is further arranged in the second accommodating chamber and arranged between the condenser and the water collecting tray, and the auxiliary cooling mechanism is used for reducing the temperature of circulating water after spraying.
In the cooling evaporation type water chilling unit for the aircraft air conditioning refrigeration system, the auxiliary cooling mechanism comprises a porous plastic layer.
In the cooling evaporative water chilling unit for the aircraft air conditioning refrigeration system, a throttling device is further arranged in the first accommodating chamber, the throttling device is respectively connected with the input end of the evaporator and the output end of the condenser, and the throttling device is electrically connected with the control device.
Has the advantages that:
the invention provides a cooling evaporation type water chilling unit for an aircraft air conditioning refrigeration system, which has the following advantages:
(1) the first accommodating chamber and the second accommodating chamber are separated by the partition plate, so that the phenomenon that an evaporator or a compressor cannot work normally due to water leakage or water floating of a condenser can be avoided, the stability of the cooling evaporative water chilling unit during working is improved, and the service life of the cooling evaporative water chilling unit is prolonged;
(2) the precooling mechanism is arranged above the condenser, so that the cooling evaporative water chilling unit can be effectively prevented from floating water; in addition, the precooling mechanism carries out preliminary cooling on the refrigerant, and can effectively reduce the condensation temperature of the refrigerant in the condenser, thereby preventing the condenser from scaling and improving the operation energy efficiency of the cooling evaporative water chilling unit.
Drawings
Fig. 1 is an internal structure diagram of a cooling evaporative water chilling unit provided by the invention.
Description of the main element symbols: 11-a first accommodating chamber, 12-a second accommodating chamber, 13-a partition plate, 14-a control device, 15-a fan, 2-a compressor, 3-an evaporator, 4-a precooler, 5-a condenser, 6-a water distributor, 7-a water collecting tray, 71-a circulating water pump and 8-a porous plastic layer.
Detailed Description
The invention provides a cooling evaporation type water chilling unit for an aircraft air conditioning refrigeration system, and in order to make the purpose, technical scheme and effect of the invention clearer and clearer, the invention is further described in detail below by referring to the attached drawings and embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", and the like indicate orientations or positional relationships based on those shown in the drawings, which are merely for convenience of describing the present invention and simplifying the description, and are not to be construed as limiting the present invention; in addition, the terms "mounted," "connected," and the like are to be construed broadly, and those skilled in the art can understand the specific meanings of the above terms in the present invention according to specific situations.
Referring to fig. 1, the invention provides a cooling evaporative water chilling unit for an aircraft air conditioning refrigeration system, which comprises a housing and a control device 14 arranged on the housing, wherein a first accommodating chamber 11 and a second accommodating chamber 12 are arranged in the housing, and a partition plate 13 is arranged between the first accommodating chamber 11 and the second accommodating chamber 12; the bottom of the first accommodating chamber 11 is provided with an air inlet, and the top of the first accommodating chamber 11 is provided with an air outlet; the second accommodating chamber 12 is internally provided with a compressor 2 and an evaporator 3; a pre-cooling mechanism and a condenser 5 are arranged in the first accommodating chamber 11, and the condenser 5 is positioned below the pre-cooling mechanism; the evaporator 3 is respectively connected with the output end of the condenser 5 and the input end of the compressor 2, and the precooling mechanism is respectively connected with the input end of the condenser 5 and the output end of the compressor 2; the shell is also provided with a fan 15, and the fan 15 is arranged on the air outlet side of the air outlet; the fan 15 and the compressor 2 are respectively electrically connected with the control device 14, and the fan 15 is used for improving the air circulation effect in the first accommodating chamber 11 and ensuring that air is effectively discharged out of the cooling evaporative water chilling unit; in one embodiment, the condenser 5 is an evaporative condenser.
In the cooling evaporation type water chilling unit disclosed by the application, when the cooling evaporation type water chilling unit actually works, the compressor 2 compresses a refrigerant input by the evaporator 3, the compressor 2 is connected with the precooling mechanism through a pipeline, the compressed high-temperature and high-pressure refrigerant enters the precooling mechanism through the pipeline, the refrigerant is subjected to preliminary condensation cooling in the precooling mechanism and then enters the condenser 5 for further condensation cooling; the condenser 5 is connected with the evaporator 3 through a pipeline, the condensed refrigerant enters the evaporator 3 through the pipeline, the refrigerant evaporates in the evaporator 3 to absorb heat, and then returns to the air suction port of the compressor 2 through the pipeline to complete the refrigeration cycle.
In one embodiment, the partition plate 13 is provided with a first through hole and a second through hole, the first through hole is used for realizing the pipeline connection between the evaporator 3 and the condenser 5, and the second through hole is used for realizing the pipeline connection between the compressor 2 and the pre-cooling mechanism.
The cooling evaporative water chilling unit disclosed by the application has the advantages that the layout of the internal components is compact, the first accommodating chamber 11 and the second accommodating chamber 12 are separated by the partition plate 13, the normal work of the evaporator 3 or the compressor 2 can be effectively prevented from being influenced by water leakage or water floating of the condenser 5, the probability of corrosion of other components such as the evaporator 3 or the compressor 2 or pipelines can be reduced, the stability of the cooling evaporative water chilling unit in the working process is improved, and the service life of the cooling evaporative water chilling unit is prolonged; further, the cooling evaporation type water chilling unit disclosed by the application further comprises a pre-cooling mechanism arranged above the condenser 5, the pre-cooling mechanism is used for preliminarily cooling the refrigerant output by the compressor 2, the condensing temperature of the refrigerant in the condenser 5 can be effectively reduced, the condenser 5 is prevented from scaling, the operation energy efficiency of the cooling evaporation type water chilling unit is improved, the pre-cooling mechanism is arranged above the condenser 5, and the problem that the pre-cooling mechanism cannot normally work due to water leakage or water floating of the condenser 5 can be effectively avoided.
Further, the precooling mechanism comprises a precooler 4, and the precooler 4 is respectively connected with the input end of the condenser 5 and the output end of the compressor 2; in one embodiment, the precooler 4 may be an air-cooled precooler.
Further, an auxiliary heat dissipation mechanism is further disposed in the second accommodating chamber 12, and the auxiliary heat dissipation mechanism is used for enhancing the cooling effect of the condenser 5 on the refrigerant.
Further, the auxiliary heat dissipation mechanism comprises a water distributor 6 and a water collection tray 7, the water distributor 6 is arranged above the condenser 5, and the water collection tray 7 is arranged below the condenser 5; a circulating water pump 71 is arranged in the water collecting tray 7, the water collecting tray 7 is connected with the water distributor 6, and the circulating water pump 71 is electrically connected with the control device 14; the water distributor 6 is used for spraying circulating water to the condenser 5, the circulating water can effectively absorb heat emitted by the condenser 5, and the temperature of the external environment of the condenser 5 is reduced, so that the cooling effect of the condenser 5 on the refrigerant is enhanced; the water collecting tray 7 is used for receiving circulating water sprayed from the water distributor 6 and receiving water dripping or leaking from the condenser 5, water accumulation in the first accommodating chamber 11 is avoided, the probability of corrosion of the shell is reduced, and the service life of the cooling evaporative water chilling unit is prolonged.
Further, still be provided with supplementary cooling mechanism in the second accommodation chamber 12, supplementary cooling mechanism set up in condenser 5 with between the water catch tray 7, supplementary cooling mechanism is used for reducing the temperature of the circulating water after spraying.
Further, supplementary cooling mechanism includes porous plastic layer 8, porous plastic layer 8 is used for prolonging the contact time of circulating water and air and the area of contact with the air of increase circulating water, makes the circulating water after the heat absorption can be effectively cooled down, can reduce the temperature of the circulating water of output to water-locator 6, indirectly improves the heat transfer effect of condenser 5.
In the actual working process of the cooling evaporative water chilling unit, the water collecting tray 7 is connected with the water distributor 6 through a pipeline, circulating water in the water collecting tray 7 is pressurized by the circulating water pump 71 and then is conveyed into the water distributor 6 through the pipeline, the circulating water is uniformly distributed on the condenser 5 by the water distributor 6, and the external environment temperature of the condenser 5 can be effectively reduced by matching with forced convection formed by the fan 15, so that the evaporative condensation effect of the condenser 5 can be improved; circulating water passing through the condenser 5 passes through the porous plastic layer 8, the circulating water is in contact with air in the porous plastic layer 8 for cooling, the circulating water is in forced convection formed by the fan 15, the temperature of the circulating water can be effectively reduced, and the cooled circulating water enters the water collecting tray 7 again to complete circulation of the circulating water.
Furthermore, a throttling device is arranged in the first accommodating chamber 11, the throttling device is respectively connected with the input end of the evaporator 3 and the output end of the condenser 5, and the throttling device is electrically connected with the control device 14; the throttling device is used for controlling the flow of the refrigerant transmitted between the evaporator 3 and the condenser 5, and the stability and the reliability of the cooling evaporative water chilling unit during working are improved.
It should be understood that equivalents and modifications of the technical solution and inventive concept thereof may occur to those skilled in the art, and all such modifications and alterations should fall within the protective scope of the present invention.

Claims (7)

1. A cooling evaporation type water chilling unit for an aircraft air conditioning refrigeration system comprises a shell and a control device arranged on the shell, and is characterized in that a first accommodating chamber and a second accommodating chamber are arranged in the shell, and a partition plate is arranged between the first accommodating chamber and the second accommodating chamber; the bottom of the first accommodating chamber is provided with an air inlet, and the top of the first accommodating chamber is provided with an air outlet; a compressor and an evaporator are arranged in the second accommodating chamber; a pre-cooling mechanism and a condenser are arranged in the first accommodating chamber, and the condenser is positioned below the pre-cooling mechanism; the evaporator is respectively connected with the output end of the condenser and the input end of the compressor, and the precooling mechanism is respectively connected with the input end of the condenser and the output end of the compressor; the shell is also provided with a fan, and the fan is arranged on the air outlet side of the air outlet; the fan and the compressor are respectively electrically connected with the control device.
2. The evaporative cooling water set for the aircraft air conditioning refrigeration system as claimed in claim 1, wherein the precooling mechanism comprises a precooler, and the precooler is connected with the input end of the condenser and the output end of the compressor respectively.
3. The evaporative cooling water set for the aircraft air conditioning refrigeration system as claimed in claim 1, wherein an auxiliary heat dissipation mechanism is further disposed in the second accommodating chamber, and the auxiliary heat dissipation mechanism is used for enhancing the cooling effect of the condenser on the refrigerant.
4. The evaporative cooling water set for the aircraft air conditioning refrigeration system as claimed in claim 3, wherein the auxiliary heat dissipation mechanism comprises a water distributor and a water collection tray, the water distributor is arranged above the condenser, and the water collection tray is arranged below the condenser; and a circulating water pump is arranged in the water collecting tray, the water collecting tray is connected with the water distributor, and the circulating water pump is electrically connected with the control device.
5. The evaporative cooling water set for the aircraft air conditioning refrigeration system as claimed in claim 4, wherein an auxiliary cooling mechanism is further disposed in the second accommodating chamber, the auxiliary cooling mechanism is disposed between the condenser and the water collecting tray, and the auxiliary cooling mechanism is used for reducing the temperature of the sprayed circulating water.
6. The evaporative cooling water set for an aircraft air conditioning refrigeration system as claimed in claim 5, wherein the auxiliary cooling means comprises a porous plastic layer.
7. The evaporative cooling water set for the aircraft air conditioning refrigeration system as claimed in claim 1, wherein a throttle device is further disposed in the first accommodating chamber, the throttle device is respectively connected to the input end of the evaporator and the output end of the condenser, and the throttle device is electrically connected to the control device.
CN202110608300.8A 2021-06-01 2021-06-01 Cooling evaporation type water chilling unit for aircraft air conditioning refrigeration system Pending CN113548188A (en)

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CN202110608300.8A CN113548188A (en) 2021-06-01 2021-06-01 Cooling evaporation type water chilling unit for aircraft air conditioning refrigeration system

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CN202110608300.8A CN113548188A (en) 2021-06-01 2021-06-01 Cooling evaporation type water chilling unit for aircraft air conditioning refrigeration system

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113587466A (en) * 2021-06-29 2021-11-02 浙江国祥股份有限公司 Evaporation condensation type water chilling unit with precooling section

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040144118A1 (en) * 1998-10-08 2004-07-29 Hebert Thomas H. Building exhaust and air conditioner condensate (and/or other water source) evaporative refrigerant subcool/precool system and method therefor
CN2658688Y (en) * 2003-11-11 2004-11-24 洛阳隆华制冷设备有限公司 Evaporation type condenser having finned cooling pipe set
CN2773592Y (en) * 2004-12-24 2006-04-19 傅孔阳 Evaporating condenser and air-conditioner set therewith
CN202171370U (en) * 2011-07-22 2012-03-21 佛山市顺德区高美空调设备有限公司 Coil evaporation type condenser with a filler
CN211953332U (en) * 2020-04-09 2020-11-17 太仓市双益化工防腐设备有限公司 Energy-saving and water-saving efficient evaporative condenser

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040144118A1 (en) * 1998-10-08 2004-07-29 Hebert Thomas H. Building exhaust and air conditioner condensate (and/or other water source) evaporative refrigerant subcool/precool system and method therefor
CN2658688Y (en) * 2003-11-11 2004-11-24 洛阳隆华制冷设备有限公司 Evaporation type condenser having finned cooling pipe set
CN2773592Y (en) * 2004-12-24 2006-04-19 傅孔阳 Evaporating condenser and air-conditioner set therewith
CN202171370U (en) * 2011-07-22 2012-03-21 佛山市顺德区高美空调设备有限公司 Coil evaporation type condenser with a filler
CN211953332U (en) * 2020-04-09 2020-11-17 太仓市双益化工防腐设备有限公司 Energy-saving and water-saving efficient evaporative condenser

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113587466A (en) * 2021-06-29 2021-11-02 浙江国祥股份有限公司 Evaporation condensation type water chilling unit with precooling section

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