CN110940118A - Helicopter evaporation circulation refrigerating device and method - Google Patents
Helicopter evaporation circulation refrigerating device and method Download PDFInfo
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- CN110940118A CN110940118A CN201911227715.XA CN201911227715A CN110940118A CN 110940118 A CN110940118 A CN 110940118A CN 201911227715 A CN201911227715 A CN 201911227715A CN 110940118 A CN110940118 A CN 110940118A
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- temperature
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- helicopter
- temperature sensor
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- 238000001704 evaporation Methods 0.000 title claims abstract description 19
- 230000008020 evaporation Effects 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000005057 refrigeration Methods 0.000 claims abstract description 34
- 238000001816 cooling Methods 0.000 claims description 9
- 239000003507 refrigerant Substances 0.000 claims description 9
- 230000017525 heat dissipation Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D13/00—Arrangements or adaptations of air-treatment apparatus for aircraft crew or passengers, or freight space, or structural parts of the aircraft
- B64D13/06—Arrangements or adaptations of air-treatment apparatus for aircraft crew or passengers, or freight space, or structural parts of the aircraft the air being conditioned
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
- H05K7/20145—Means for directing air flow, e.g. ducts, deflectors, plenum or guides
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20209—Thermal management, e.g. fan control
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2029—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant with phase change in electronic enclosures
- H05K7/20309—Evaporators
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2029—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant with phase change in electronic enclosures
- H05K7/20318—Condensers
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2029—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant with phase change in electronic enclosures
- H05K7/20327—Accessories for moving fluid, for connecting fluid conduits, for distributing fluid or for preventing leakage, e.g. pumps, tanks or manifolds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D13/00—Arrangements or adaptations of air-treatment apparatus for aircraft crew or passengers, or freight space, or structural parts of the aircraft
- B64D13/06—Arrangements or adaptations of air-treatment apparatus for aircraft crew or passengers, or freight space, or structural parts of the aircraft the air being conditioned
- B64D2013/0603—Environmental Control Systems
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Pulmonology (AREA)
- Aviation & Aerospace Engineering (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The invention belongs to the field of helicopter evaporation cycle refrigeration, and particularly relates to a helicopter evaporation cycle refrigeration device and a refrigeration method. On the basis of an original helicopter evaporation cycle refrigeration system, a section of air duct branch pipe is added to lead to an equipment cabin, meanwhile, a temperature sensor is arranged in the equipment cabin, the air volume leading to the equipment cabin is adjusted through a temperature signal fed back by the temperature sensor, and the equipment cabin is cooled. The working efficiency of the electronic equipment is improved, and the applicability is strong.
Description
Technical Field
The invention belongs to the field of helicopter evaporation cycle refrigeration, and particularly relates to a helicopter evaporation cycle refrigeration device and a refrigeration method.
Background
Generally, the conventional helicopter evaporation circulation refrigeration system is only considered to refrigerate a cabin, but along with diversification of flight task requirements, electronic equipment on the helicopter is increased day by day, and the phenomenon that the helicopter cannot work normally is easy to occur under the condition of insufficient heat dissipation in high-temperature weather, so that the evaporation circulation refrigeration system is required to dissipate heat of the electronic equipment cabin, but because some electronic equipment cabins are not communicated with the cabin, an evaporator and a refrigerant pipeline are required to be added for the electronic equipment cabins independently, and the weight and the electric quantity cost of the helicopter are greatly increased.
Disclosure of Invention
The purpose of the invention is as follows: the helicopter evaporation circulation refrigerating device and the refrigerating method can adjust the air volume to the equipment cabin through the temperature signal fed back by the temperature sensor to realize the cooling of the equipment cabin.
The technical scheme of the invention is as follows:
in a first aspect, a helicopter evaporation cycle refrigerating device is provided, wherein a compressor 9 and a condenser 8 of a helicopter evaporation cycle refrigerating system are arranged outside a cabin 11 and an equipment cabin 12, a refrigeration operation box 7, a refrigeration electronic control box 6 and an evaporator 5 are arranged in the cabin 11, the compressor 9 is connected with the evaporator 5 and the condenser 8 through a refrigerant pipeline 10, the evaporator 5 is connected with the condenser 8 through the refrigerant pipeline 10, a cabin cold air duct 4 is arranged on the evaporator 5, the device also includes: an equipment cabin cold air pipe 1 arranged on the evaporator 5, the outlet of the equipment cabin cold air pipe 1 is arranged in an equipment cabin 12, the equipment cabin 12 is provided with a temperature sensor 3, the inlet of the cold air pipe 1 of the equipment cabin is also provided with a butterfly valve 2, and the refrigeration electric control box 6 is electrically connected with a compressor 9, a condenser 8, an evaporator 5, the butterfly valve 2, the temperature sensor 3 and the refrigeration control box 6.
Optionally, the number of the equipment cabin cold air pipes is N, where N is a natural number greater than 1.
In a second aspect, there is provided a helicopter evaporative cycle refrigeration method, said method being performed by means of a helicopter evaporative cycle refrigeration system, comprising:
collecting the temperature of the temperature sensor 3;
the opening and closing of the butterfly valve 2 is controlled according to the temperature of the sensor.
Optionally, the acquiring the temperature of the temperature sensor 3 specifically includes: the temperature of the temperature sensor 3 is collected at a predetermined cycle.
Optionally, acquiring the temperature of the temperature sensor 3 according to a predetermined period specifically includes:
the temperature of the temperature sensor 3 is acquired in a period of 2 s.
Optionally, the controlling the opening and closing of the butterfly valve 2 according to the temperature of the sensor specifically includes: when the temperature of the temperature sensor 3 is less than or equal to the first temperature threshold value, the butterfly valve 2 is closed, and when the temperature of the temperature sensor 3 is greater than or equal to the second temperature threshold value, the butterfly valve 2 is opened, and the first temperature threshold value is less than the second temperature threshold value.
Optionally, the first temperature threshold is the maximum temperature of the equipment in the equipment compartment 12 in normal operation minus a predetermined threshold, and the second temperature threshold is the maximum temperature of the equipment in the equipment compartment 12 in normal operation plus a predetermined threshold.
Optionally, the predetermined threshold is 2 ℃.
The invention has the beneficial effects that: the helicopter evaporation cycle refrigerating device and the refrigerating method of the invention are based on the original helicopter evaporation cycle refrigerating system, a section of air duct branch pipe is added to lead to the equipment cabin, meanwhile, the temperature sensor is arranged in the equipment cabin, and the system can adjust the air volume leading to the equipment cabin through the temperature signal fed back by the temperature sensor, thereby realizing the cooling of the equipment cabin. The invention provides cold air for the equipment cabin under the hot environmental condition, reduces the cabin temperature, improves the working efficiency of the electronic equipment and has strong applicability.
Drawings
Fig. 1 is a schematic diagram of a helicopter evaporative cycle refrigeration unit according to an embodiment of the present invention.
Wherein, 1 equipment cabin cold air pipe, 2 butterfly valves, 3 temperature sensors, 4 cabin cold air pipes, 5 evaporators, 6 refrigeration electronic control boxes, 7 refrigeration control boxes, 8 condensers, 9 compressors, 10 refrigerant pipelines, 11 cabins and 12 equipment cabins
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In a first aspect, a helicopter evaporation cycle refrigerating device is provided, wherein a compressor 9 and a condenser 8 of a helicopter evaporation cycle refrigerating system are arranged outside a cabin 11 and an equipment cabin 12, a refrigeration operation box 7, a refrigeration electronic control box 6 and an evaporator 5 are arranged in the cabin 11, the compressor 9 is connected with the evaporator 5 and the condenser 8 through a refrigerant pipeline 10, the evaporator 5 is connected with the condenser 8 through the refrigerant pipeline 10, a cabin cold air pipe 4 is arranged on the evaporator 5, the device also includes: an equipment cabin cold air pipe 1 arranged on the evaporator 5, the outlet of the equipment cabin cold air pipe 1 is arranged in an equipment cabin 12, the equipment cabin 12 is provided with a temperature sensor 3, the inlet of the cold air pipe 1 of the equipment cabin is also provided with a butterfly valve 2, and the refrigeration electric control box 6 is electrically connected with a compressor 9, a condenser 8, an evaporator 5, the butterfly valve 2, the temperature sensor 3 and a refrigeration control box 7.
Optionally, the number of the equipment cabin cooling air pipes 1 is N, where N is a natural number greater than 1.
In a second aspect, there is provided a helicopter evaporative cycle refrigeration method, said method being performed by means of a helicopter evaporative cycle refrigeration system, comprising:
collecting the temperature of the temperature sensor 3;
the opening and closing of the butterfly valve 2 is controlled based on the temperature of the sensor 3.
Optionally, the acquiring the temperature of the temperature sensor 3 specifically includes: the temperature of the temperature sensor 3 is collected at a predetermined cycle.
Optionally, acquiring the temperature of the temperature sensor 3 according to a predetermined period specifically includes:
the temperature of the temperature sensor 3 is acquired in a period of 2 s.
Optionally, controlling the opening and closing of the butterfly valve 2 according to the temperature of the sensor 3 specifically includes: when the temperature of the temperature sensor 3 is less than or equal to the first temperature threshold value, the butterfly valve 2 is closed, and when the temperature of the temperature sensor 3 is greater than or equal to the second temperature threshold value, the butterfly valve 2 is opened, and the first temperature threshold value is less than the second temperature threshold value.
Optionally, the first temperature threshold is the maximum temperature of the equipment in the equipment compartment 12 in normal operation minus a predetermined threshold, and the second temperature threshold is the maximum temperature of the equipment in the equipment compartment 12 in normal operation plus a predetermined threshold.
Optionally, the predetermined threshold is 2 ℃.
In fig. 1, the components 4-10 are original basic evaporation cycle refrigeration systems, and the components 1-3 are equipment compartment heat dissipation devices. The newly added equipment cabin heat dissipation device comprises a section of branch pipe which is added on the basis of the original cabin cold air pipe 4 and leads to the equipment cabin, a butterfly valve 2 which can change the on-off of the pipeline in the branch pipe and a temperature sensor 3 in the equipment cabin 12.
When the system works in the cooling mode, a driver sets the temperature as required, and the system judges whether to ventilate cold air to the equipment cabin 12 according to the temperature in the equipment cabin 12: when the temperature in the equipment cabin 12 is less than or equal to the temperature point-2 ℃ at which the electronic equipment can normally work, the refrigeration electronic control box 6 controls the butterfly valve 2 in the equipment cabin cold air pipe 1 to close the butterfly valve 2, and cold air is not communicated with the equipment cabin 12; when the temperature of the equipment cabin 12 is more than or equal to the temperature point +2 ℃ at which the electronic equipment can normally work, the refrigeration electronic control box 6 controls the butterfly valve 2 in the equipment cabin cold air pipe 1 to open the butterfly valve 2, and cold air flows to the equipment cabin 12 to cool the equipment cabin 12. Finally, in the case where the temperature in the cabin 11 has dropped to the set temperature, the temperature in the equipment room 12 is generally low, and the cooling system enters the standby mode and no cold air is introduced into the equipment room 12.
The invention provides a design method for heat dissipation of a helicopter equipment cabin, and solves the problem that electronic equipment cannot normally work in high-temperature weather. The invention solves the problem that the conventional helicopter equipment cabin usually adopts a cooling fan for cooling, and meanwhile, accessories such as an evaporator, a refrigerant pipeline and the like are not added, so that the cooling efficiency is improved, and simultaneously, the weight and the power consumption are greatly reduced.
The foregoing is merely a detailed description of the embodiments of the present invention, and some of the conventional techniques are not detailed. The scope of the present invention is not limited thereto, and any changes or substitutions that can be easily made by those skilled in the art within the technical scope of the present invention will be covered by the scope of the present invention. The protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. A helicopter evaporation cycle refrigerating device, wherein a compressor (9) and a condenser (8) of a helicopter evaporation cycle refrigerating system are arranged outside a cabin (11) and an equipment cabin (12), a refrigeration control box (7), a refrigeration electric control box (6) and an evaporator (5) are arranged in the cabin (11), the compressor (9) is connected with the evaporator (5) and the condenser (8) through a refrigerant pipeline (10), the evaporator (5) is connected with the condenser (8) through the refrigerant pipeline (10), a cold air pipe (4) is arranged on the evaporator (10),
the refrigeration system is characterized by further comprising an equipment cabin cold air pipe (1) arranged on the evaporator (5), wherein an outlet of the equipment cabin cold air pipe (1) is arranged in the equipment cabin (12), the equipment cabin (12) is provided with a temperature sensor (3), a butterfly valve (2) is further arranged at an inlet of the equipment cabin cold air pipe (1), and a refrigeration electric control box (6) is electrically connected with the compressor (9), the condenser (8), the evaporator (5), the butterfly valve (2), the temperature sensor (3) and a refrigeration control box (7).
2. The device according to claim 1, characterized in that the number of the equipment cabin cooling air pipes (1) is N, wherein N is a natural number greater than 1.
3. A helicopter evaporative cycle refrigeration method, said method performed by means of a helicopter evaporative cycle refrigeration system, comprising:
collecting the temperature of the temperature sensor (3);
the opening and closing of the butterfly valve (2) is controlled according to the temperature of the sensor.
4. The method according to claim 3, characterized in that the acquisition of the temperature sensor (3) comprises in particular: the temperature of the temperature sensor (3) is acquired according to a predetermined cycle.
5. The method according to claim 4, characterized in that the temperature of the temperature sensor (3) is acquired according to a predetermined cycle, comprising in particular:
the temperature of the temperature sensor (3) is acquired in a period of 2 s.
6. A method according to claim 3, characterized in that controlling the opening and closing of the butterfly valve (2) according to the temperature of the sensor (3) comprises: when the temperature of the temperature sensor (3) is less than or equal to the first temperature threshold value, the butterfly valve (2) is closed, and when the temperature of the temperature sensor (3) is greater than or equal to the second temperature threshold value, the butterfly valve (2) is opened, and the first temperature threshold value is less than the second temperature threshold value.
7. The method of claim 6, wherein the first temperature threshold is a maximum temperature at which equipment in the equipment compartment (12) is operating normally minus a predetermined threshold, and the second temperature threshold is a maximum temperature at which equipment in the equipment compartment (12) is operating normally plus a predetermined threshold.
8. The method of claim 7, wherein the predetermined threshold is 2 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911227715.XA CN110940118A (en) | 2019-12-04 | 2019-12-04 | Helicopter evaporation circulation refrigerating device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911227715.XA CN110940118A (en) | 2019-12-04 | 2019-12-04 | Helicopter evaporation circulation refrigerating device and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110940118A true CN110940118A (en) | 2020-03-31 |
Family
ID=69909798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911227715.XA Pending CN110940118A (en) | 2019-12-04 | 2019-12-04 | Helicopter evaporation circulation refrigerating device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110940118A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102012075A (en) * | 2009-09-04 | 2011-04-13 | 海尔集团公司 | Control method of multi-split air conditioner |
| CN203005750U (en) * | 2012-10-26 | 2013-06-19 | 江苏兆胜空调有限公司 | Helicopter refrigeration air conditioner |
| US10234180B1 (en) * | 2013-09-03 | 2019-03-19 | Mainstream Engineering Corporation | Integrated cold plate with expansion device and uniform cooling method achieved therewith |
| CN109556249A (en) * | 2018-12-17 | 2019-04-02 | 珠海格力电器股份有限公司 | Multi-split air conditioner and its indoor end device leaving air temp adjusting method |
| CN109625287A (en) * | 2018-11-29 | 2019-04-16 | 中国航空工业集团公司沈阳飞机设计研究所 | A kind of aircraft cockpit and equipment compartment both air flow modulation method and system |
-
2019
- 2019-12-04 CN CN201911227715.XA patent/CN110940118A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102012075A (en) * | 2009-09-04 | 2011-04-13 | 海尔集团公司 | Control method of multi-split air conditioner |
| CN203005750U (en) * | 2012-10-26 | 2013-06-19 | 江苏兆胜空调有限公司 | Helicopter refrigeration air conditioner |
| US10234180B1 (en) * | 2013-09-03 | 2019-03-19 | Mainstream Engineering Corporation | Integrated cold plate with expansion device and uniform cooling method achieved therewith |
| CN109625287A (en) * | 2018-11-29 | 2019-04-16 | 中国航空工业集团公司沈阳飞机设计研究所 | A kind of aircraft cockpit and equipment compartment both air flow modulation method and system |
| CN109556249A (en) * | 2018-12-17 | 2019-04-02 | 珠海格力电器股份有限公司 | Multi-split air conditioner and its indoor end device leaving air temp adjusting method |
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| PB01 | Publication | ||
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Application publication date: 20200331 |