CN111998447A - Aircraft ground air conditioning unit and operation data processing method - Google Patents
Aircraft ground air conditioning unit and operation data processing method Download PDFInfo
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- CN111998447A CN111998447A CN202010833483.9A CN202010833483A CN111998447A CN 111998447 A CN111998447 A CN 111998447A CN 202010833483 A CN202010833483 A CN 202010833483A CN 111998447 A CN111998447 A CN 111998447A
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- Prior art keywords
- air conditioning
- unit
- conditioning unit
- data
- ground air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/044—Systems in which all treatment is given in the central station, i.e. all-air systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
- B64F1/00—Ground or aircraft-carrier-deck installations
- B64F1/36—Other airport installations
- B64F1/362—Installations for supplying conditioned air to parked aircraft
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/32—Responding to malfunctions or emergencies
- F24F11/38—Failure diagnosis
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
- F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/86—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling compressors within refrigeration or heat pump circuits
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Biomedical Technology (AREA)
- Health & Medical Sciences (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Aviation & Aerospace Engineering (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses an airplane ground air conditioning unit, which can collect, analyze and process the operation data of a 400Hz power supply and an electric parameter measuring device in real time, early warn in time and carry out corresponding processing when abnormality is found, and transmit the collected data to an airplane ground air conditioning unit integrated control system through a data bus after the data is collected, thereby improving the reliability of the unit, reducing the fault rate of the unit, improving the processing capacity of field equipment level, storing the data in equipment, checking the real-time data and historical data through a field display screen, continuously transmitting the data at a breakpoint when a network is abnormal, reducing the loss rate of the data, improving the maintainability of the system, realizing the predictive maintenance function, improving the integration degree of the equipment and reducing the complexity of a communication network.
Description
Technical Field
The invention belongs to the technical field of air conditioners, and particularly relates to an aircraft ground air conditioning unit and an operation data processing method thereof.
Background
As an important device for airport operation, an airplane ground air conditioning Unit is usually used in cooperation with a 400Hz Power supply as a bridge-mounted device to replace an APU (Auxiliary Power Unit) of an airplane, reduce the APU usage rate of airplanes passing by the airport, and reduce the exhaust emission and operating cost of the airplane, wherein the above data usually need to be counted by a special metering system so as to be settled by an airline company; meanwhile, the electrical parameter is one of the main performance parameters of the ground air conditioning unit of the airplane, and the running conditions of various devices can be reflected.
The existing metering system and the bridge-mounted equipment independently send data to the airport centralized control system, the airport centralized control system cannot fully and comprehensively analyze the data and the metering data of the bridge-mounted equipment and quickly respond and process abnormal conditions, data localization query is inconvenient, and various devices operate independently to cause resource waste and increase network complexity.
Disclosure of Invention
In view of the defects of the prior art, the invention aims to provide an aircraft ground air conditioning unit which has an integrated metering function, is convenient for data centralized statistical query and analysis, saves resources and reduces network complexity. The technical scheme of the invention is as follows:
in a first aspect, the invention provides an aircraft ground air conditioning unit, which comprises a power distribution cabinet, an aircraft ground air conditioning unit centralized control system, a refrigeration unit, an air inlet and an air outlet which are arranged in the refrigeration unit, and a heater, an evaporator, a compressor, a pressure transmitter, an expansion valve and a condenser which are electrically connected.
Furthermore, a 400Hz power supply and an electrical parameter measuring device are arranged outside the airplane ground air conditioning unit, the power distribution cabinet provides power for the 400Hz power supply and the airplane ground air conditioning unit, the electrical parameter measuring device measures and displays voltage, current and power parameters of the 400Hz power supply and the airplane ground air conditioning unit, and the airplane ground air conditioning unit reads, stores and displays real-time operation data and historical operation data of the 400Hz power supply and the electrical parameter measuring device through a communication interface and a display screen.
Furthermore, the number of the refrigeration units of the aircraft ground air conditioning unit is at least one.
Furthermore, when the refrigeration unit is a plurality of evaporators, the evaporators are connected in series and share an air duct.
Furthermore, the airplane ground air conditioning unit has the function of stepless or multistage adjustment of air supply quantity.
Furthermore, the plurality of refrigeration units are all provided with evaporators, compressors, pressure transmitters, expansion valves and condensers.
Further, an evaporator of the refrigeration unit is connected with a blower.
Furthermore, the airplane ground air conditioning unit adopts a data bus to acquire the electrical parameter measuring device and the operation parameters of the 400Hz power supply.
Further, the operating parameters include voltage, current, power, and power usage.
In a second aspect, the present invention provides a method for processing operating data of an aircraft ground air conditioning unit, comprising the steps of:
checking and judging whether the unit power supply voltage and the unbalance degree parameter exceed set values,
if yes, sending an alarm signal and further processing the abnormity;
if not, the unit enters an operation mode after receiving a starting signal;
further adjusting the air supply quantity and the air outlet temperature of the unit to set values;
further judging whether the current change value of the unit exceeds a preset value, if so, sending an alarm signal;
if not, further judging whether the current of the air feeder exceeds a preset value, if so, reducing the air output of the unit;
if not, further judging whether the current variation value of the compressor exceeds the preset value, if so, stopping compression
Sending alarm information;
if not, further judging whether the total current value of the unit operation exceeds the set maximum current value, if so, reducing the unit output power;
if not, sending a shutdown signal, and enabling the unit to enter a shutdown mode;
further judging whether the current of the unit exceeds a set value after the shutdown, if so, closing an air supply valve of the unit and sending alarm information;
and if not, counting the unit operation data and the 400Hz power supply operation data, and uploading the data to the airplane ground air conditioning unit centralized control system. The airplane ground air conditioning unit can simultaneously acquire the data of a 400Hz power supply and an electric parameter measuring device for storage and analysis, analyze the electric parameter data by combining the operation condition of equipment in real time, discover and process abnormal conditions in time, give an early warning and an alarm for data abnormity, inquire, export and upload the stored data to an airplane ground air conditioning unit integrated control system, is beneficial to improving the reliability and safety of field equipment and reducing the equipment failure rate, can continuously transmit the equipment data at break points when the equipment data is stored in a network abnormity, reduces the data loss rate, improves the maintainability of the system, realizes the predictive maintenance function, improves the integration level of the equipment and reduces the complexity of a communication network.
Drawings
FIG. 1: the invention relates to a connection schematic diagram of an aircraft ground air conditioning unit.
FIG. 2: the invention relates to a system schematic diagram of an aircraft ground air conditioning unit.
FIG. 3: the invention relates to an operation data processing flow chart of an airplane ground air conditioning unit.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the scope of the invention.
Referring to fig. 1, the present invention relates to a connection diagram of an aircraft ground air conditioning unit, which comprises a first refrigeration unit 1, a second refrigeration unit 2, a third refrigeration unit 3, a fourth refrigeration unit 4 and a fifth refrigeration unit 5 connected in series and sharing an air duct, wherein the first refrigeration unit is provided with an air inlet and a heater 10, the first refrigeration unit 1, the second refrigeration unit 2, the third refrigeration unit 3, the fourth refrigeration unit 4 and the fifth refrigeration unit 5 are all provided with an evaporator 20, a compressor 30, a pressure transmitter 40, an expansion valve 50 and a condenser 60, and the fifth refrigeration unit is connected to a blower 70 and an air outlet.
It can be understood that the aircraft ground air conditioning unit of the invention can also be added with a plurality of refrigeration units so as to increase the performance of the unit, and the aircraft ground air conditioning unit has the function of stepless or multistage regulation of the air supply quantity.
With further reference to the system diagram of the aircraft ground air conditioning unit of fig. 2, the aircraft ground air conditioning unit 12 is provided with an RS485 communication interface and an ethernet interface, and collects data of the peripheral 400Hz power supply 11 and parameters of the electrical parameter measuring device 13 through a bus network.
The power distribution cabinet 14 provides power for the aircraft ground air conditioning unit 12, the 400Hz power supply 11 and the electrical parameter measuring device 13, the electrical parameter measuring device 13 is provided with an RS485 communication interface, and further measures data such as voltage, current, power consumption and the like of the aircraft ground air conditioning unit 12 and the 400Hz power supply 11, and transmits the acquired data to the aircraft ground air conditioning unit 12 through a bus network.
The aircraft ground air conditioning unit 12 is further provided with a display screen which can inquire the real-time operation data of the unit equipment and the received data of the 400Hz power supply 11 and the electrical parameter measuring device 13, and the aircraft ground air conditioning unit 12 is further provided with a data storage unit (not shown in the figure) which can inquire the historical operation data and upload the measured data again.
Referring to fig. 3, the operation data processing flow chart of the aircraft ground air conditioning unit of the present invention includes the following steps: step 301, checking and judging whether the unit power supply voltage and the unbalance parameter exceed set values, if so, turning to step 306, and sending an alarm signal and further processing the abnormality; if not, entering step 302, the unit enters an operation mode after receiving a starting signal, further adjusting the air output and the air outlet temperature of the unit to set values in step 303, further judging whether the current change value of the unit exceeds a preset value or not in step 304, and if so, entering step 306, sending an alarm signal and further processing abnormity; if not, step 305 further judges whether the current of the blower exceeds a preset value, if so, the air output of the unit is reduced in step 307, if not, step 308 is entered, whether the current change value of the compressor exceeds the preset value is further judged, if so, step 309 stops the compressor and sends alarm information; if not, step 310 further determines whether the total current value of the unit operation exceeds the set maximum current value, if so, step 311 reduces the unit output power; if not, step 312 sends out a shutdown signal, and the unit enters a shutdown mode; then, step 313 judges whether the current of the unit exceeds the set value after the shutdown, if yes, step 314 closes the air supply valve of the unit and sends alarm information; if not, step 315 counts the unit operation information and 400Hz power supply operation information, and uploads the information to the airplane ground air conditioning unit centralized control system to complete data acquisition and processing.
The airplane ground air conditioning unit can simultaneously acquire the data of a 400Hz power supply and an electric parameter measuring device for storage and analysis, analyze the electric parameter data by combining the equipment operation condition in real time, discover and process abnormal conditions in time, give an early warning and an alarm for data abnormity, inquire, export and upload the stored data to the airplane ground air conditioning unit integrated control system, is beneficial to improving the reliability and safety of field equipment and reducing the equipment failure rate, can continuously transmit the equipment data when the network is abnormal by storing the equipment data, reduces the data loss rate, improves the maintainability of the system, realizes the predictive maintenance function, improves the integration degree of the equipment and reduces the complexity of a communication network.
Claims (10)
1. The aircraft ground air conditioning unit comprises a power distribution cabinet and an aircraft ground air conditioning unit centralized control system and is characterized by further comprising a refrigeration unit, an air inlet and an air outlet which are arranged in the refrigeration unit, and a heater, an evaporator, a compressor, a pressure transmitter, an expansion valve and a condenser which are electrically connected.
2. The aircraft ground air conditioning unit of claim 1, wherein a 400Hz power supply and an electrical parameter measuring device are provided outside the aircraft ground air conditioning unit, the power distribution cabinet provides power to the 400Hz power supply and the aircraft ground air conditioning unit, the electrical parameter measuring device measures and displays voltage, current and power parameters of the 400Hz power supply and the aircraft ground air conditioning unit, and the aircraft ground air conditioning unit reads, stores and displays real-time operation data and historical operation data of the 400Hz power supply and the electrical parameter measuring device through a communication interface and a display screen.
3. Aircraft ground air conditioning unit according to claim 1, characterized in that the number of refrigeration units of the aircraft ground air conditioning unit is at least one.
4. An aircraft floor air conditioning unit according to claim 3 wherein the evaporators in the plural refrigeration units are connected in series and share a common duct.
5. An aircraft ground air conditioning unit according to claim 4, characterised in that it is provided with a stepless or multistage air volume regulation.
6. An aircraft floor air conditioning unit according to claim 5 wherein the plurality of refrigeration units are each provided with an evaporator, a compressor, a pressure transducer, an expansion valve and a condenser.
7. An aircraft floor air conditioning unit according to claim 1 wherein the evaporator of the refrigeration unit is connected to a blower.
8. An aircraft ground air conditioning unit according to claim 1, characterised in that it uses a data bus to collect the electrical parameter measuring means and the operating parameters of the 400Hz power supply.
9. An aircraft ground air conditioning unit according to claim 8, characterised in that the operating parameters include voltage, current, power and electricity usage.
10. An operation data processing method of an aircraft ground air conditioning unit is characterized by comprising the following steps:
checking and judging whether the unit power supply voltage and the unbalance degree parameter exceed set values,
if yes, sending an alarm signal and further processing the abnormity;
if not, the unit enters an operation mode after receiving a starting signal;
further adjusting the air supply quantity and the air outlet temperature of the unit to set values;
further judging whether the current change value of the unit exceeds a preset value, if so, sending an alarm signal;
if not, further judging whether the current of the air feeder exceeds a preset value, if so, reducing the air output of the unit;
if not, further judging whether the current variation value of the compressor exceeds the preset value, if so, stopping compression
Sending alarm information;
if not, further judging whether the total current value of the unit operation exceeds the set maximum current value, if so, reducing the unit output power;
if not, sending a shutdown signal, and enabling the unit to enter a shutdown mode;
further judging whether the current of the unit exceeds a set value after the shutdown, if so, closing an air supply valve of the unit and sending alarm information;
and if not, counting the unit operation data and the 400Hz power supply operation data, and uploading the data to the airplane ground air conditioning unit centralized control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010833483.9A CN111998447A (en) | 2020-08-18 | 2020-08-18 | Aircraft ground air conditioning unit and operation data processing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010833483.9A CN111998447A (en) | 2020-08-18 | 2020-08-18 | Aircraft ground air conditioning unit and operation data processing method |
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| CN111998447A true CN111998447A (en) | 2020-11-27 |
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| CN202010833483.9A Pending CN111998447A (en) | 2020-08-18 | 2020-08-18 | Aircraft ground air conditioning unit and operation data processing method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022157408A1 (en) * | 2021-01-25 | 2022-07-28 | Adelte Airport Technologies, S.L. | Temperature control unit for providing temperature-controlled air in the interior of aircrafts or the like |
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| WO2022157408A1 (en) * | 2021-01-25 | 2022-07-28 | Adelte Airport Technologies, S.L. | Temperature control unit for providing temperature-controlled air in the interior of aircrafts or the like |
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Application publication date: 20201127 |