CN214198985U - Compound energy-concerving and environment-protective aircraft ground air conditioning unit - Google Patents
Compound energy-concerving and environment-protective aircraft ground air conditioning unit Download PDFInfo
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- CN214198985U CN214198985U CN202023213146.4U CN202023213146U CN214198985U CN 214198985 U CN214198985 U CN 214198985U CN 202023213146 U CN202023213146 U CN 202023213146U CN 214198985 U CN214198985 U CN 214198985U
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Abstract
The utility model relates to an air conditioning unit technical field, concretely relates to compound energy-concerving and environment-protective aircraft ground air conditioning unit. The water-saving type solar water heater is characterized in that a fan coil, a first-stage evaporator and a ventilator are sequentially arranged along an air inlet pipeline, a water collecting tray is arranged below the first-stage evaporator, accumulated water of the water collecting tray passes through a water pumping pipe and flows through the fan coil and then is sprayed into mist water drops on the spray type heat exchanger, and the first-stage evaporator and the spray type heat exchanger are connected through a first circulating pipeline. The utility model discloses a concentrate the comdenstion water and arrange concentrating in fountain heat exchanger department and spray, the condensation water vaporization that the heat that utilizes the fountain heat exchanger heat transfer to produce will spray, it is outside to discharge the unit under cooling fan's effect, and then has reduced past vehicle and personnel's potential safety hazard.
Description
Technical Field
The invention relates to the technical field of air conditioning units, in particular to a composite type energy-saving environment-friendly airplane ground air conditioning unit.
Background
The aircraft ground air conditioner used in the airport at present is a refrigerating unit with full fresh air and large enthalpy difference, the air supply temperature is low (less than or equal to 2 ℃), the refrigerating capacity is large, the energy consumption is high, the condensate water generated in each hour is more than 300kg, the condensate water is generally directly discharged to the ground of an airport apron, potential safety hazards are easily caused to passing vehicles and personnel, moss easily grows, and the environmental pollution is caused. In addition, because the displacement of the common aircraft ground air conditioner is large, the energy consumption is also high, and how to design an aircraft ground air conditioner with lower energy consumption is also one of the current research hotspots.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a composite type energy-saving environment-friendly airplane ground air conditioning unit.
The purpose of the invention is realized by the following technical scheme:
the utility model provides a compound energy-concerving and environment-protective aircraft ground air conditioning unit, is equipped with fan coil, first order evaporimeter and ventilation blower in proper order along the admission line direction of admitting air, first order evaporimeter below is equipped with the water-collecting tray, and the ponding of water-collecting tray sprays into vaporific drop on spray heat exchanger after the drinking-water pipe passes through fan coil, and first order evaporimeter and spray heat exchanger pass through first circulating line pipe connection. Ponding through the water-collecting tray sprays into vaporific drop of water on spray heat exchanger behind the drinking-water pipe through the fan coil, and the comdenstion water sprays into vaporific drop of water again after the fan coil endotherm, at first the comdenstion water sublimes for steam more easily after the endotherm, guarantees that the comdenstion water can not flow in pieces, secondly utilizes the heat that the comdenstion water can absorb outside air, can reduce whole energy consumption when external air refrigerates.
In order to further improve the refrigeration effect of the outside air, the air outlet of the ventilator is provided with a second-stage evaporator, the second-stage evaporator is connected with a condenser pipeline through a second circulating pipeline, the second circulating pipeline is basically the same as the first circulating pipeline in structure, a water collecting tray is arranged below the second-stage evaporator, and accumulated water of the water collecting tray is sprayed into mist water drops on the spray type heat exchanger after passing through the fan coil pipe through a water pumping pipe.
When radiator fan dispels the heat or the comdenstion water supply volume is not enough to spray heat exchanger, lead to outside air and comdenstion water can't reach needs radiating effect, in order to prevent that spray heat exchanger heat dissipation is not enough, be equipped with electronic three-way valve on the drinking-water pipe of fan coil side of intaking, electronic three-way valve still with the drinking-water pipe intercommunication of fan coil play water side. And a water supply pump is arranged on the water pumping pipe on the water inlet side of the electric three-way valve. A water suction pump is arranged on the water suction pipe at the water inlet side of the heat preservation water tank.
In order to conveniently store condensed water in a centralized manner, a heat-insulating water tank is arranged on a water pumping pipe between a fan coil and a water collecting plate, the composite type energy-saving and environment-friendly aircraft ground air conditioning unit further comprises a central air-conditioning chilled water pipeline, and the central air-conditioning chilled water pipeline is communicated with the heat-insulating water tank.
In order to enable the air conditioning unit to be used in a heating mode, a heater is further arranged on an air inlet pipeline on the air inlet side of the fan coil.
The air inlet pipeline on the air inlet side of the fan coil is also provided with a filter, and the filter can filter impurity particles in external air, so that the air entering the cabin or a specific space is clean and environment-friendly.
Specifically, the air supply valve is arranged on the air inlet pipeline on the air outlet side of the second evaporator, and the air supply valve can more conveniently control the air input of the external air.
Specifically, the first circulation pipeline and the second circulation pipeline are both provided with a compressor and an expansion valve. The compressor is preferably an inverter compressor to provide precise control of the supply air temperature.
Specifically, a cooling fan is arranged on one side of the spray heat exchanger. One side of the condenser is provided with a heat radiation fan. The cooling fan can improve the cooling effect of the circulating pipeline.
Compared with the prior art, the invention has the following advantages and beneficial effects:
(1) the invention carries out concentrated spraying by intensively arranging the condensed water at the spray type heat exchanger, vaporizes the sprayed condensed water by utilizing the heat generated by the heat exchange of the spray type heat exchanger, and discharges the vaporized condensed water out of the unit under the action of the cooling fan, thereby reducing the potential safety hazard of passing vehicles and personnel.
(2) The invention fully utilizes the effect of the condensed water by carrying out heat exchange on the condensed water in the fan coil in advance and then conveying the condensed water to the spray type heat exchanger for evaporation, reduces the energy consumption of the whole machine by 20-30% under the same specification, and simultaneously solves the influence of the condensed water generated by the air conditioner on the surrounding environment.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
1. An air supply valve; 2. an expansion valve; 3. a second stage evaporator; 4. a water collection tray; 5. a ventilator; 6. a first stage evaporator; 7. a fan coil; 8. a heater; 9. a water pump; 10. an electromagnetic valve; 11. a heat preservation water tank; 12. a filter; 13. a water supply pump; 14. an electric three-way valve; 15. a heat radiation fan; 16. a spray-type heat exchanger; 17. a condenser; 18. a first stage compressor; 19. a second stage compressor.
Detailed Description
The present invention will be described in further detail with reference to examples and drawings, but the present invention is not limited thereto.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1, a composite energy-saving and environment-friendly aircraft ground air conditioning unit is sequentially provided with a filter 12, a heater 8, a fan coil 7, a first-stage evaporator 6, a ventilator 5, a second-stage evaporator 3 and an air supply valve 1 along the air inlet direction of an air inlet pipeline, a water collecting tray 4 is arranged below the first-stage evaporator 6 and the second-stage evaporator 3, accumulated water of the water collecting tray 4 passes through a water suction pipe and flows through the fan coil 7 to be sprayed into mist-shaped water drops on a spray-type heat exchanger 16, the first-stage evaporator 6 and the spray-type heat exchanger 16 are connected through a first circulating pipeline, the second-stage evaporator 3 is connected with a condenser 17 through a second circulating pipeline, the first circulating pipeline and the second circulating pipeline are respectively provided with a compressor and an expansion valve 2, and one side of the spray-type heat exchanger 16 and one side of the condenser 17 are respectively. Wherein the compressor in the first recycle line is a first stage compressor 18 and the compressor in the second compression line is a second stage compressor 19.
The external air enters the cabin through the filter 12, the heater 8, the fan coil 7, the first-stage evaporator 6, the ventilator 5, the second-stage evaporator 3 and the air supply valve 1 in sequence in the air inlet pipeline, wherein the filter 12 filters particle impurities in the air, the heater 8 is started when hot air is required to be supplied and is closed during refrigeration, airflow performs three-stage refrigeration in the fan coil 7, the first-stage evaporator 6 and the second-stage evaporator 3, the ventilator 5 is used for accelerating airflow flowing, and the air supply valve 1 is used for controlling indoor air supply amount.
Specifically, an electric three-way valve 14 is arranged on a water pumping pipe on the water inlet side of the fan coil 7, and the electric three-way valve 14 is also communicated with a water pumping pipe on the water outlet side of the fan coil 7. A water supply pump 13 is arranged on the water pumping pipe at the water inlet side of the electric three-way valve 14. A water suction pump 9 is arranged on the water suction pipe at the water inlet side of the heat preservation water tank 11. The water supply pump 13 and the water suction pump 9 are used for controlling the flow rate of water in the water suction pipe.
Specifically, a heat preservation water tank 11 is installed on a water pumping pipe between the fan coil 7 and the water collecting disc 4, the composite type energy-saving and environment-friendly aircraft ground air conditioning unit further comprises a central air-conditioning chilled water pipeline, and the central air-conditioning chilled water pipeline is communicated with the heat preservation water tank 11. The central chilled water pipeline is provided with an electromagnetic valve 10. The central freezing water pipeline is provided with an electromagnetic valve. The heat preservation water tank 11 plays a role in water storage.
The specific implementation process of the invention is as follows:
when heating, first order evaporimeter 6, second grade evaporimeter 3, first circulating line and second circulating line do not all work, and heater 8 heats the air, and external cold air passes through filter 12 filtration back under the effect of ventilation blower 5, and when heater 8 was flowed through to the air temperature risees, is inhaled by ventilation blower 5 again and is risen the back and reach the air supply temperature of settlement, and inside through blast valve 1 and the entering cabin of air supply hose.
During refrigeration, the heater 8 does not work, the first-stage evaporator 6, the second-stage evaporator 3, the first circulating pipeline and the second circulating pipeline all work, outside air is cooled at the fan coil 7, the first evaporator and the second evaporator in sequence under the action of the ventilator 5, is sucked by the ventilator 5 to be boosted to reach a set air supply temperature, and enters the cabin through the air supply valve 1 and the air supply hose.
When passing through the fan coil 7, the first evaporator and the second evaporator, the refrigerant liquid exchanges heat to reduce the temperature of the outside air, and exchanges heat with cold water in the coil to reduce the temperature of the outside air, water in the air is condensed on the surface of the pipeline and then collected in the water collecting tray 4, condensed water in the first-stage evaporator 6, the second-stage evaporator 3 and the water collecting tray 4 below the fan coil 7 is stored in the heat preservation water tank 11 through the water suction pump 9, the condensed water in the heat preservation water tank 11 absorbs heat in the fan coil 7 under the action of the water supply pump 13 to cool the air passing through the fan coil 7, the condensed water after absorbing heat is sprayed into water drops on the spray pipes on the spray heat exchanger 16, the spray heat exchanger 16 emits heat, the water drops are heated and vaporized and then are discharged to the outside by the heat radiation fan 15, so that no liquid condensed water is discharged to the airport surface, the drying of the apron ground is ensured, no water is accumulated, and the safety factor of passing vehicles and personnel is improved. Because the condensed water is conveyed to the spray type heat exchanger 16 for evaporation after heat exchange is carried out on the fan coil 7 in advance, the utility of the condensed water is fully utilized, the energy consumption of the whole machine is reduced by 20-30% under the same specification, and the influence of the condensed water generated by an air conditioner on the surrounding environment is solved.
When the water quantity in the heat preservation water tank 11 is insufficient, the electromagnetic valve 10 is opened to supplement the central air-conditioning chilled water, and the central air-conditioning chilled water is injected into the heat preservation water tank 11. After passing through the fan coil 7, the condensed water absorbs the heat of the outside air, the temperature rises, the condensed water circulates into the spray heat exchanger 16, the condensed water is changed into vapor after absorbing the heat of a high-temperature refrigerant in the spray heat exchanger 16, and the vapor is discharged out of the unit by the heat dissipation fan 15, so that the drying of the ground of the apron is ensured, no water is accumulated, and the safety of the environment and the safety of operating personnel are protected.
When the heat dissipating capacity of the spray heat exchanger 16 is insufficient, the electric three-way valve 14 bypasses one path of cold water to bypass the fan coil 7 and directly enters the spray heat exchanger 16, and the temperature of the refrigerant in the pipe is reduced.
The first circulating pipeline comprises a first low-temperature pipeline for low-temperature refrigerant backflow and a first high-temperature pipeline for high-temperature refrigerant heat dissipation, the refrigerant of the first low-temperature pipeline flows into the first-stage evaporator 6 to absorb heat and then flows into the first high-temperature pipeline, the high-temperature refrigerant in the first high-temperature pipeline flows through the flow spray type heat exchanger 16 and then flows back into the first low-temperature pipeline through heat dissipation of the heat dissipation fan 15, a pipeline circulation is formed, and the pipeline circulation is continued, so that the external air is cooled continuously. Preferably, the first compressor is disposed within the first high temperature conduit.
The second circulating pipeline comprises a second low-temperature pipeline for low-temperature refrigerant to flow back and a second high-temperature pipeline for high-temperature refrigerant to dissipate heat, the refrigerant of the second low-temperature pipeline flows into the second-stage evaporator 3 to absorb heat and then flows into the second high-temperature pipeline, the high-temperature refrigerant in the second high-temperature pipeline flows back into the second low-temperature pipeline through the heat dissipation refrigerant of the heat dissipation fan 15 after passing through the condenser 17, a pipeline cycle is formed, and after the cycle, the outside air is cooled continuously. Preferably, the second compressor is disposed within the second high temperature conduit.
The above-mentioned embodiments only express the embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. The utility model provides a compound energy-concerving and environment-protective aircraft ground air conditioning unit which characterized in that: the water-saving type solar water heater is characterized in that a fan coil, a first-stage evaporator and a ventilator are sequentially arranged along an air inlet pipeline, a water collecting tray is arranged below the first-stage evaporator, accumulated water of the water collecting tray passes through a water pumping pipe and flows through the fan coil and then is sprayed into mist water drops on the spray type heat exchanger, and the first-stage evaporator and the spray type heat exchanger are connected through a first circulating pipeline.
2. The ground air conditioning unit of the composite type energy-saving and environment-friendly airplane as claimed in claim 1, wherein: the air outlet of the ventilator is provided with a second-stage evaporator, the second-stage evaporator is connected with a condenser pipeline through a second circulating pipeline, a water collecting tray is arranged below the second-stage evaporator, and accumulated water of the water collecting tray is sprayed into vaporific water drops on the spray type heat exchanger after passing through the flow fan coil through a water pumping pipe.
3. The ground air conditioning unit of the composite type energy-saving and environment-friendly airplane as claimed in claim 1, wherein: and the electric three-way valve is also communicated with the water pumping pipe at the water outlet side of the fan coil.
4. The ground air conditioning unit of the composite type energy-saving and environment-friendly airplane as claimed in claim 1, wherein: the composite type energy-saving environment-friendly aircraft ground air conditioning unit further comprises a central air-conditioning chilled water pipeline, and the central air-conditioning chilled water pipeline is communicated with the heat preservation water tank.
5. The ground air conditioning unit of the composite type energy-saving and environment-friendly airplane as claimed in claim 1, wherein: and a heater is also arranged on the air inlet pipeline at the air inlet side of the fan coil.
6. The composite type energy-saving and environment-friendly aircraft ground air conditioning unit as claimed in claim 1 or 5, characterized in that: and a filter is also arranged on the air inlet pipeline at the air inlet side of the fan coil.
7. The ground air conditioning unit of the composite type energy-saving and environment-friendly airplane as claimed in claim 2, wherein: and an air supply valve is arranged on the air inlet pipeline on the air outlet side of the second evaporator.
8. The ground air conditioning unit of the composite type energy-saving and environment-friendly airplane as claimed in claim 1, wherein: and the first circulating pipeline and the second circulating pipeline are both provided with a compressor and an expansion valve.
9. The ground air conditioning unit of the composite type energy-saving and environment-friendly airplane as claimed in claim 1, wherein: one side of the spray type heat exchanger is provided with a cooling fan.
10. The ground air conditioning unit of the composite type energy-saving and environment-friendly airplane as claimed in claim 2, wherein: one side of the condenser is provided with a heat radiation fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023213146.4U CN214198985U (en) | 2020-12-28 | 2020-12-28 | Compound energy-concerving and environment-protective aircraft ground air conditioning unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023213146.4U CN214198985U (en) | 2020-12-28 | 2020-12-28 | Compound energy-concerving and environment-protective aircraft ground air conditioning unit |
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| Publication Number | Publication Date |
|---|---|
| CN214198985U true CN214198985U (en) | 2021-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023213146.4U Active CN214198985U (en) | 2020-12-28 | 2020-12-28 | Compound energy-concerving and environment-protective aircraft ground air conditioning unit |
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| Country | Link |
|---|---|
| CN (1) | CN214198985U (en) |
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- 2020-12-28 CN CN202023213146.4U patent/CN214198985U/en active Active
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