CN111792053A - Cold-storage constant-temperature air-conditioning power supply integrated unit - Google Patents

Cold-storage constant-temperature air-conditioning power supply integrated unit Download PDF

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Publication number
CN111792053A
CN111792053A CN202010812022.3A CN202010812022A CN111792053A CN 111792053 A CN111792053 A CN 111792053A CN 202010812022 A CN202010812022 A CN 202010812022A CN 111792053 A CN111792053 A CN 111792053A
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CN
China
Prior art keywords
air
cold
box body
heat exchange
secondary refrigerant
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Pending
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CN202010812022.3A
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Chinese (zh)
Inventor
董震
徐川
孙胜旺
余锡超
曹阳
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Wuxi Xueou Mobile Air Conditioning Co ltd
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Wuxi Xueou Mobile Air Conditioning Co ltd
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Priority to CN202010812022.3A priority Critical patent/CN111792053A/en
Publication of CN111792053A publication Critical patent/CN111792053A/en
Pending legal-status Critical Current

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    • 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
    • B64F1/364—Mobile units
    • 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
    • F25B1/00—Compression machines, plants or systems with non-reversible cycle
    • 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
    • F25B39/00—Evaporators; Condensers
    • F25B39/02—Evaporators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
    • F28D20/0034—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using liquid heat storage material
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
    • F28D2020/0065—Details, e.g. particular heat storage tanks, auxiliary members within tanks
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/14—Thermal energy storage

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)

Abstract

The invention relates to a cold-storage constant-temperature air-conditioning power supply integrated unit which comprises a box body frame, wherein the bottom of the box body frame is supported by a chassis of a pure electric trailer, and a series of equipment is arranged in the box body frame to form two large modules, including a power supply module and an air-conditioning module; the air conditioning module comprises a condenser, an air intercooling radiator, an evaporation surface cooler and a cold storage box, a power module and an air supply system are arranged in the middle of the interior of the box body frame, a generator set for supplying power to the power module and the air conditioning module is arranged at one end of the interior of the box body frame, the evaporation surface cooler is arranged at the other end of the interior of the box body frame, and the cold storage box is arranged below the evaporation surface cooler; the invention has multiple purposes, reduces the number of the guarantee equipment around the airplane and improves the comprehensive guarantee efficiency, and reduces the redundant space of the equipment by combination, reduces the power consumption of the whole machine by cold accumulation application, and ensures that the same guarantee equipment is suitable for the ground guarantee requirements of airplanes of various models or types by the controllable adjustment design of input and output states (air outlet temperature, air supply flow and air supply pressure).

Description

Cold-storage constant-temperature air-conditioning power supply integrated unit
Technical Field
The invention relates to the technical field of airplane ground air conditioners, in particular to a cold storage and constant temperature air conditioner power supply integrated unit.
Background
The operation process of modern aviation is a comprehensive system engineering, and besides an advanced fleet, corresponding infrastructure is required to provide navigation support for the modern aviation. This includes not only fixed facilities such as airport runway building, navigation communication network, navigation control system, maintenance facilities and safety inspection equipment, but also important components of the aviation infrastructure of the ground support vehicles of the aircraft. During flight preparation, the periphery of the airplane is often surrounded by various guarantee vehicles to be not drained, so that the airplane is in disorder at ordinary times, and the efficiency of maintenance and guarantee can be seriously influenced during wartime. The problem of the quantity and specification of the equipment is solved, the transportation turnover quantity of the equipment is reduced, the comprehensive guarantee capacity is improved, and the equipment plays a vital role in modern air combat. The miniaturization, integration and generalization of the ground equipment are undoubtedly the fundamental trend and the inevitable requirement of the development of the ground equipment from the design and the manufacture of the ground equipment.
After the airplane stops or lands at the airport, the main engine of the airplane stops working, and the ventilation and heat dissipation system and the automatic electronic control system are also closed. The airplane is in an airport open area and is subjected to strong solar radiation and ground reflection in summer to cause greenhouse effect in the airplane cabin, so that the temperature in the airplane is abnormally high, and the entrance of members of a unit is inconvenient; meanwhile, with the improvement of the technological content of the airplane and the application of a large number of advanced automatic electronic control systems, electronic equipment elements in the airplane can generate a large amount of heat during working, if the heat is not taken away, the temperature of local areas of the airplane, such as an electronic cabin and the like, is high, the normal work of an electric control system is influenced, even the flight safety is influenced, and therefore ground air conditioning guarantee is needed; on the other hand, when the airplane is in a ground flying stop state, various onboard automatic electronic control systems need to be tested or maintained, so that the electric control systems are ensured to be tested normally, and a ground power supply is needed to guarantee.
At present, ground security equipment equipped in an airport has the defects of pertinence, single function, large external dimension of the equipment and the like, and each security equipment has redundant space and parts, so that the miniaturization of the equipment is not facilitated, and the combination and the use are inconvenient; meanwhile, the number of the devices required for guaranteeing the ground of the airplane is large, and a plurality of related personnel are required to move and operate, so that the airplane is quite inconvenient.
Disclosure of Invention
The applicant provides a miniaturized, universal and low-power-consumption air-conditioning and power supply integrated guarantee device aiming at the defects in the prior art, a cold storage type air conditioner and a power supply are designed into an integrated device in a fusion mode, the air-conditioning and power supply integrated guarantee device is suitable for the ground guarantee requirements of an air conditioner and a power supply of an airplane, the device is multipurpose, on one hand, the number of the guarantee devices around the airplane is reduced, the comprehensive guarantee efficiency is improved, on the other hand, the redundant space of the device is reduced through combination, the power consumption of the whole machine is reduced through the application of the cold storage, and the input and output states (air outlet temperature, air supply flow and air supply pressure) are artificially and controllably adjusted, so that the same guarantee device is suitable for the.
The technical scheme adopted by the invention is as follows:
a cold-storage constant-temperature air-conditioning power supply integrated unit comprises a box body frame, wherein the bottom of the box body frame is supported by a chassis of a pure electric trailer, and a series of equipment is arranged in the box body frame to form two modules, namely a power supply module and an air-conditioning module; the air conditioning module comprises a condenser, an air intercooling radiator, an evaporation surface cooler and a cold storage box, wherein the condenser and the air intercooling radiator are respectively arranged at two sides in a box body frame; the condenser, the cold accumulation box, the evaporation surface cooler, the gas-liquid separator and the refrigeration compressor form a refrigeration cold accumulation system; the working medium circulation loop of the cold storage box is as follows: a refrigerant circulation circuit: the output of the refrigeration compressor sequentially passes through a condenser, a cold accumulation box and a gas-liquid separator and then returns to the refrigeration compressor; a secondary refrigerant circulation circuit: the output of the cold storage box sequentially passes through the evaporation surface cooler and the circulating water pump and then returns to the cold storage box; the air supply system adopts at least two same high-air-pressure vortex-type air pumps for air supply, the air outlets of the two high-air-pressure vortex-type air pumps are communicated with the air inlet of the air intercooling radiator, the air outlet of the air intercooling radiator is communicated with the air inlet of the evaporation surface air cooler, and the air outlet of the evaporation surface air cooler is connected with an air supply hose in the same direction of the interior of the aircraft unit.
As a further improvement of the above technical solution:
the constant temperature cold storage box has the structure that: including the cold-storage box, install in the cold-storage box and hold and put cold heat exchanger, hold and put cold heat exchanger and arrange in and pack in the cold-storage medium of cold-storage box, it is the gilled tube formula heat exchanger to hold to put cold heat exchanger, and its structure includes many internal thread copper pipes, the form of arranging of internal thread copper pipe is: the refrigeration evaporation heat exchange tubes and the secondary refrigerant heat exchange tubes are uniformly distributed at intervals, and a plurality of hydrophilic aluminum foil fins which are uniformly arranged are sleeved on the internal thread copper tube along the length direction of the internal thread copper tube
The multiple rows of refrigeration evaporation heat exchange tubes are uniformly arranged along the width direction of the cold accumulation box body, and one row of secondary refrigerant heat exchange tubes is arranged between every two adjacent rows of refrigeration evaporation heat exchange tubes; every row of refrigeration evaporation heat exchange tubes include that one is the reciprocal pipe of bending of S-shaped along the direction of height of cold-storage box, and every row of secondary refrigerant heat exchange tubes include that one is the reciprocal pipe of bending of S-shaped along the direction of height of cold-storage box, and parallel connection between the multiseriate refrigeration evaporation heat exchange tubes, parallel connection between the multiseriate secondary refrigerant heat exchange tubes: each row of the refrigeration evaporation heat exchange tubes and the secondary refrigerant heat exchange tubes adjacent to the refrigeration evaporation heat exchange tubes are arranged in a staggered manner in the height direction.
The condenser is characterized by also comprising a main refrigerant water inlet pipe and a main refrigerant water return pipe, wherein one end of the main refrigerant water inlet pipe is connected with a refrigerant outlet of the condenser, the other end of the main refrigerant water inlet pipe is connected with an inlet of each row of refrigeration evaporation heat exchange pipes through a branch pipe connected with the main refrigerant water inlet pipe in parallel, one end of the main refrigerant water return pipe is connected with an inlet of the gas-liquid separator, and the other end of the main refrigerant water return pipe is connected with an outlet of each row of refrigeration evaporation; the device also comprises a secondary refrigerant main water inlet pipe and a secondary refrigerant main water outlet pipe, wherein one end of the secondary refrigerant main water inlet pipe is connected with the outlet of the circulating water pump, the other end of the secondary refrigerant main water inlet pipe is connected with the inlet of each row of secondary refrigerant heat exchange pipes through a branch pipe connected with the secondary refrigerant main water inlet pipe in parallel, one end of the secondary refrigerant main water outlet pipe is connected with the outlet of each row of secondary refrigerant heat exchange pipes through a branch pipe connected with the secondary refrigerant main water outlet pipe in parallel, and the.
The cold-storage box body is formed by bending and welding stainless steel, the periphery of the cold-storage box body is fully welded with the bottom of the cold-storage box body, the top cover plate can be detached and fixed by fasteners, a liquid discharge valve and a liquid level meter are arranged on the cold-storage box body, and a heat insulation plate is arranged on the outer surface of the cold-storage box body.
The circulating water pump adopts frequency conversion control, and automatically adjusts the flow of the secondary refrigerant according to the outlet air temperature of the evaporation surface cooler, so that the air supply and temperature adjustment are more accurate.
An air outlet temperature sensor and an air supply pressure sensor are arranged on one side of an air outlet of the evaporation surface air cooler.
An air volume adjusting valve is arranged on the air supply hose, and a standard joint is arranged at the outlet end of the air supply hose.
The high-pressure vortex type air pump is electrically connected with the high-pressure vortex type air pump through the frequency converter, and the rotating speed of the high-pressure vortex type air pump is controlled according to the air volume requirement.
The power module is provided with a 115V \400HZ alternating current output power supply and a 28V direct current output power supply which respectively control the power consumption of the airplane unit, and the outer side of the box body frame is provided with a corresponding output power socket.
The invention has the following beneficial effects:
the invention has compact and reasonable structure, convenient operation and multiple purposes, reduces the number of the guarantee equipment around the airplane and improves the comprehensive guarantee efficiency on one hand, and reduces the redundant space of the equipment by combination on the other hand, reduces the power consumption of the whole machine by the application of cold accumulation, and ensures that the same guarantee equipment is suitable for the ground guarantee requirements of airplanes of various models or types by the design of manually controllable adjustment of input and output states (air outlet temperature, air supply flow and air supply pressure).
The cold accumulation system of the invention utilizes the night electric power valley point to refrigerate, stores the cold energy in the form of cold water or solidified phase-change material, and partially or totally utilizes the stored cold energy to supply cold to the air conditioning system during the peak load period of the air conditioner, so as to achieve the purposes of reducing the installation capacity of refrigeration equipment, reducing the operation cost and cutting the peak and filling the valley of the electric power load;
the self-contained generator set runs to provide power for the air conditioning module and the power supply module to work, and can also be connected with commercial power through an external interface to supply the air conditioning and the power supply to work, so that the power can be supplied to the airplane while the air conditioning function is provided;
the air supply system adopts two vortex type air pumps with equal high air pressure to supply air, the two frequency converters control the air supply system, the rotating speed of the air supply system is controlled by the frequency converters according to the air quantity requirement, the air supply system is continuously adjustable in the air quantity range of the fan, and can be matched with an air supply port to manually and infinitely adjust an air valve, so that the air quantity and air pressure requirements of large and small machine types are met; the control system is controlled by an air conditioner and a power supply electric appliance, and is manually started and automatically controlled.
Drawings
Fig. 1 is a schematic diagram of an air conditioning module of the present invention.
Fig. 2 is a schematic perspective view of the present invention.
Fig. 3 is another view of fig. 2.
Fig. 4 is another view of fig. 3.
Fig. 5 is a schematic structural view of a cold storage box according to the present invention.
FIG. 6 is a schematic view of a heat exchanger for storing and discharging cold in accordance with the present invention.
Fig. 7 is a left side view of fig. 6.
Fig. 8 is a right side view of fig. 6.
Wherein: 1. a box frame; 2. a chassis of the pure electric trailer; 3. a condenser; 4. an output power socket; 5. a cold storage tank; 7. a generator set; 8. a high wind pressure vortex air pump; 9. a power supply module; 10. an air intercooled radiator; 11. an evaporation surface cooler; 12. a wind amount adjusting valve; 13. a water circulating pump; 14. an air supply hose; 15. a refrigeration compressor; 17. an air supply pressure sensor; 18. an air outlet temperature sensor; 20. a frequency converter; 21. a gas-liquid separator; 51. a thermal insulation board; 52. a cold accumulation box body; 53. a main refrigerant return pipe; 54. a main refrigerant inlet pipe; 55. a secondary refrigerant main water outlet pipe; 56. a main water inlet pipe of secondary refrigerant; 57. a cold heat exchanger for heat storage and release; 58. a liquid level meter; 571. a refrigeration evaporation heat exchange pipe; 572. a secondary refrigerant heat exchange tube; 573. hydrophilic aluminum foil fins.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1-4, the integrated cold-storage constant-temperature air-conditioning power supply unit of the embodiment includes a box body frame 1, the bottom of the box body frame 1 is supported by a chassis 2 of a pure electric trailer, and a series of devices are installed in the box body frame 1 to form two modules, including a power supply module 9 and an air-conditioning module; the air conditioning module comprises a condenser 3, an air intercooling radiator 10, an evaporation surface cooler 11 and a cold storage box 5, wherein the condenser 3 and the air intercooling radiator 10 are respectively arranged at two sides in a box body frame 1, a power module 9 and an air supply system are arranged in the middle of the box body frame 1, a generator set 7 for supplying power to the power module 9 and the air conditioning module is arranged at one end in the box body frame 1, the evaporation surface cooler 11 is arranged at the other end, and the cold storage box 5 is arranged below the evaporation surface cooler 11; the condenser 3, the cold storage box 5, the evaporation surface cooler 11, the gas-liquid separator 21 and the refrigeration compressor 15 form a refrigeration cold storage system; working medium circulation circuit of the cold storage tank 5: a refrigerant circulation circuit: the output of the refrigeration compressor 15 returns to the refrigeration compressor 15 after passing through the condenser 3, the cold storage box 5 and the gas-liquid separator 21 in sequence; a secondary refrigerant circulation circuit: the output of the cold storage box 5 sequentially passes through the evaporation surface cooler 11 and the circulating water pump 13 and then returns to the cold storage box 5; the air supply system adopts at least two same high-air-pressure vortex-type air pumps 8 for air supply, the air outlets of the two high-air-pressure vortex-type air pumps 8 are communicated with the air inlet of the air inter-cooling radiator 10, the air outlet of the air inter-cooling radiator 10 is communicated with the air inlet of the evaporation surface air cooler 11, and the air outlet of the evaporation surface air cooler 11 is connected with an air supply hose 14 which is in the same direction to the interior of the aircraft unit.
As shown in fig. 5 to 8, the constant temperature cold storage box 5 has the following structure: including cold-storage box 52, install in the cold-storage box 52 and hold and put cold heat exchanger 57, hold and put cold heat exchanger 57 and arrange in the cold-storage medium of filling in cold-storage box 52, hold and put cold heat exchanger 57 and be the tube sheet heat exchanger, its structure includes many internal thread copper pipes, and the form of arranging of internal thread copper pipe is: the refrigeration evaporation heat exchange tubes 571 and the secondary refrigerant heat exchange tubes 572 are uniformly arranged at intervals, and a plurality of hydrophilic aluminum foil fins 573 are uniformly arranged on the internal thread copper tube along the length direction of the internal thread copper tube in a sleeved mode.
The multiple rows of refrigeration evaporation heat exchange tubes 571 are uniformly arranged along the width direction of the cold accumulation box body 52, and a row of secondary refrigerant heat exchange tubes 572 is arranged between every two adjacent rows of refrigeration evaporation heat exchange tubes 571; each row of refrigeration evaporation heat exchange tubes 571 comprises a tube which is bent in an S-shaped reciprocating manner along the height direction of the cold accumulation box body 52, each row of secondary refrigerant heat exchange tubes 572 comprises a tube which is bent in an S-shaped reciprocating manner along the height direction of the cold accumulation box body 52, the multiple rows of refrigeration evaporation heat exchange tubes 571 are connected in parallel, and the multiple rows of secondary refrigerant heat exchange tubes 572 are connected in parallel: each row of the refrigeration and evaporation heat exchange tubes 571 and the secondary refrigerant heat exchange tubes 572 adjacent to the refrigeration and evaporation heat exchange tubes are arranged in a staggered manner in the height direction.
The condenser also comprises a main refrigerant water inlet pipe 54 and a main refrigerant water return pipe 53, wherein one end of the main refrigerant water inlet pipe 54 is connected with a refrigerant outlet of the condenser 3, the other end of the main refrigerant water inlet pipe is connected with an inlet of each row of refrigeration evaporation heat exchange tubes 571 through a branch pipe connected with the main refrigerant water inlet pipe in parallel, one end of the main refrigerant water return pipe 53 is connected with an inlet of the gas-liquid separator 21, and the other end of the main refrigerant water return pipe is connected with an outlet of each row of refrigeration evaporation heat exchange tubes 571; the system also comprises a main secondary refrigerant water inlet pipe 56 and a main secondary refrigerant water outlet pipe 55, wherein one end of the main secondary refrigerant water inlet pipe 56 is connected with the outlet of the circulating water pump 13, the other end of the main secondary refrigerant water inlet pipe 56 is connected with the inlet of each row of secondary refrigerant heat exchange tubes 572 through a branch pipe connected with the main secondary refrigerant water inlet pipe in parallel, one end of the main secondary refrigerant water outlet pipe 55 is connected with the outlet of each row of secondary refrigerant heat exchange tubes 572 through a branch pipe connected with the main secondary refrigerant water inlet pipe in parallel, and the other.
The cold accumulation box body 52 is formed by bending and welding stainless steel, the periphery of the cold accumulation box body is fully welded with the bottom of the cold accumulation box body, the top cover plate can be detached and fixed by a fastener, a liquid discharge valve and a liquid level meter 58 are arranged on the cold accumulation box body 52, and a heat insulation plate 51 is arranged on the outer surface of the cold accumulation box body 52.
The circulating water pump 13 adopts frequency conversion control, and automatically adjusts the flow of the secondary refrigerant according to the outlet air temperature of the evaporation surface cooler 11, so that the air supply and temperature adjustment are more accurate.
As shown in fig. 1, an outlet air temperature sensor 18 and an outlet air pressure sensor 17 are installed at one side of the outlet of the evaporation surface air cooler 11. An air volume adjusting valve 12 is arranged on the air supply hose 14, and a standard joint is arranged at the outlet end of the air supply hose 14.
As shown in fig. 2, the wind turbine further comprises a frequency converter 20, wherein the frequency converter 20 is electrically connected to the high wind pressure vortex air pump 8 and controls the rotating speed thereof according to the wind volume requirement.
The power module 9 is provided with a 115V \400HZ alternating current output power supply and a 28V direct current output power supply which respectively control the power consumption of the airplane units, and the outer side of the box body frame 1 is provided with a corresponding output power socket 4.
The design and working principle of the invention are as follows:
the device comprises a bearing device, a box body frame, a power system, a cold accumulation system, a power system, an air supply system, a control system and the like, wherein the bearing device is a pure electric trailer chassis 2, a storage battery is adopted for supplying power, and an electric control electric chassis is arranged at a traction rod; the box body frame 1 is of an integral stainless steel bending and welding structure; the power system adopts a dual-power supply mode, namely, the power system operates with the generator set 7 to provide power for the air conditioning module and the power module 9 to work, and can also be connected with commercial power through an external interface to provide power for the air conditioning module and the power module 9 to work;
the cold accumulation system mainly comprises a condenser 3, a cold accumulation and discharge heat exchanger 5, an evaporation surface cooler 11, a refrigeration compressor 13, a circulating water pump 13 and the like, and utilizes the electric power valley point at night for refrigeration: the refrigerant circulates and refrigerates among the condenser 3, the cold accumulating and releasing heat exchanger 57, the gas-liquid separator 21 and the refrigeration compressor 13, cold energy is stored in the cold storage box 5 in the form of cold water or solidified phase-change materials, and the cold energy stored in the cold storage box 5 is partially or completely used for supplying cold to the air conditioning system during the peak load period of the air conditioner: the refrigerating medium circulates among the cold storage and discharge heat exchanger 57, the evaporation surface cooler 11 and the circulating water pump 13, so that the purposes of reducing the installation capacity of the refrigerating equipment, reducing the operating cost and reducing the peak load and valley load of the electric load are achieved.
Wherein: the air-to-cold radiator 10 is matched with two equal high-air-pressure vortex type air pump air supplies 8 to control the air inlet temperature, according to the actual requirement, when the air-to-cold radiator 10 works, a condensing fan can be arranged outside, under the refrigeration running state of an air conditioning unit, the high-air-pressure vortex type air pump air supplies 8 suck external environment air, the external environment air is rotated and compressed through an impeller, the compressed high-pressure air enters the air-to-cold precooling radiator 10 through an air supply pipe, at the moment, a louver (not shown in the figure) on the air inlet side of the air-to-cold precooling radiator 10 is in an open state, the external environment air is pumped through the common air conditioning condensing fan to dissipate heat, and the dissipated high-pressure air enters an evaporation surface cooler; in the heating operation state of the air conditioning unit, the high-pressure vortex air pump air supply 8 sucks external environment air, the impeller rotates and compresses, the compressed high-pressure air enters the intercooling pre-cooling radiator 10 through the air outlet pipe, at the moment, a shutter on the air inlet side of the intercooling pre-cooling radiator 10 is in a closed state, no external environment air exchanges heat with the radiator, and the high-pressure warm air enters the evaporation surface cooler 11 through the air outlet pipe, namely, hot air is sent out into the airplane.
The two vortex air pumps with the same high air pressure supply air 8 are controlled by the two frequency converters 20, the rotating speed is controlled by the frequency converters according to the air quantity requirement, the rotating speed is continuously adjustable within the air quantity range of the fan, and the air quantity and the air pressure requirements of large and small machine types are met by matching with a manually stepless adjustable air valve of an air supply port; the control system is controlled by an air conditioner and a power supply electric appliance, and is manually started and automatically controlled.
The circulating water pump 13 adopts variable frequency control to automatically adjust the flow of cold water (secondary refrigerant) according to the outlet air temperature, so as to ensure more accurate air supply and temperature adjustment; the power module 9 is mainly controlled by output power supplies such as a 115V \400HZ alternating current output power supply, a 28V direct current output power supply and the like, and a corresponding output power socket 4 is arranged on the outer side of the box body frame;
the above description is intended to be illustrative and not restrictive, and the scope of the invention is defined by the appended claims, which may be modified in any manner within the scope of the invention.

Claims (10)

1. The utility model provides an integrative unit of cold-storage constant temperature air conditioner power which characterized in that: the electric trailer comprises a box body frame (1), wherein the bottom of the box body frame (1) is supported by a chassis (2) of the pure electric trailer, and a series of equipment is arranged in the box body frame (1) to form two large modules, including a power supply module (9) and an air conditioner module;
the air conditioning module comprises a condenser (3), an air intercooling radiator (10), an evaporation surface cooler (11) and a cold storage box (5), wherein the condenser (3) and the air intercooling radiator (10) are respectively installed on two sides in a box body frame (1), a power module (9) and an air supply system are installed in the middle of the box body frame (1), a generator set (7) for supplying power to the power module (9) and the air conditioning module is installed at one end in the box body frame (1), the evaporation surface cooler (11) is installed at the other end, and the cold storage box (5) is installed below the evaporation surface cooler (11);
the condenser (3), the cold storage box (5), the evaporation surface cooler (11), the gas-liquid separator (21) and the refrigeration compressor (15) form a refrigeration and cold storage system; a working medium circulation circuit of the cold storage tank (5): a refrigerant circulation circuit: the output of the refrigeration compressor (15) sequentially passes through the condenser (3), the cold storage tank (5) and the gas-liquid separator (21) and then returns to the refrigeration compressor (15); a secondary refrigerant circulation circuit: the output of the cold storage box (5) sequentially passes through the evaporation surface cooler (11) and the circulating water pump (13) and then returns to the cold storage box (5);
the air supply system adopts at least two same high wind pressure vortex type air pumps (8) to supply air, the air outlets of the two high wind pressure vortex type air pumps (8) are communicated with the air inlet of the air inter-cooling radiator (10), the air outlet of the air inter-cooling radiator (10) is communicated with the air inlet of the evaporation surface air cooler (11), and the air outlet of the evaporation surface air cooler (11) is connected with an air supply hose (14) in the aircraft unit in the same direction.
2. The integrated cold-storage constant-temperature air-conditioning power supply unit as claimed in claim 1, wherein: the structure of the constant temperature cold storage box (5) is as follows: including cold-storage box (52), install in cold-storage box (52) and hold and put cold heat exchanger (57), hold and put cold heat exchanger (57) and arrange in the cold-storage medium of filling in cold-storage box (52), hold and put cold heat exchanger (57) and be the tube sheet formula heat exchanger, its structure includes many internal thread copper pipes, the form of arranging of internal thread copper pipe is: the refrigeration evaporation heat exchange tubes (571) and the secondary refrigerant heat exchange tubes (572) are uniformly arranged at intervals, and a plurality of hydrophilic aluminum foil fins (573) which are uniformly arranged are sleeved on the internal thread copper tube along the length direction of the internal thread copper tube.
3. The integrated cold-storage constant-temperature air-conditioning power supply unit as claimed in claim 2, wherein: the multiple rows of refrigeration evaporation heat exchange tubes (571) are uniformly arranged along the width direction of the cold accumulation box body (52), and a row of secondary refrigerant heat exchange tubes (572) is arranged between every two adjacent rows of refrigeration evaporation heat exchange tubes (571); each row of refrigeration evaporation heat exchange tubes (571) comprises a tube which is bent in an S-shaped reciprocating manner along the height direction of the cold accumulation box body (52), each row of secondary refrigerant heat exchange tubes (572) comprises a tube which is bent in an S-shaped reciprocating manner along the height direction of the cold accumulation box body (52), a plurality of rows of refrigeration evaporation heat exchange tubes (571) are connected in parallel, and a plurality of rows of secondary refrigerant heat exchange tubes (572) are connected in parallel: each row of the refrigeration evaporation heat exchange tubes (571) and the secondary refrigerant heat exchange tubes (572) adjacent to the refrigeration evaporation heat exchange tubes are arranged in a staggered way in the height direction.
4. The cold-storage constant-temperature liquid cooling unit as set forth in claim 3, wherein: the condenser is characterized by further comprising a main refrigerant water inlet pipe (54) and a main refrigerant water return pipe (53), wherein one end of the main refrigerant water inlet pipe (54) is connected with a refrigerant outlet of the condenser (3), the other end of the main refrigerant water inlet pipe is connected with an inlet of each row of refrigeration evaporation heat exchange pipes (571) through a branch pipe connected with the main refrigerant water inlet pipe in parallel, one end of the main refrigerant water return pipe (53) is connected with an inlet of the gas-liquid separator (21), and the other end of the main refrigerant water return pipe is connected with an outlet of each row of refrigeration evaporation heat exchange pipes (571; the device also comprises a main secondary refrigerant water inlet pipe (56) and a main secondary refrigerant water outlet pipe (55), one end of the main secondary refrigerant water inlet pipe (56) is connected with the outlet of the circulating water pump (13), the other end of the main secondary refrigerant water inlet pipe is connected with the inlet of each row of secondary refrigerant heat exchange tubes (572) through a branch pipe connected with the main secondary refrigerant water inlet pipe in parallel, one end of the main secondary refrigerant water outlet pipe (55) is connected with the outlet of each row of secondary refrigerant heat exchange tubes (572) through a branch pipe connected with the main secondary refrigerant water inlet pipe in parallel, and the other end of the main secondary.
5. The cold-storage constant-temperature liquid cooling unit as set forth in claim 4, wherein: the cold-storage box body (52) is formed by bending and welding stainless steel, the periphery of the cold-storage box body is fully welded with the bottom of the cold-storage box body, the top cover plate can be detached and fixed by a fastener, a liquid discharge valve and a liquid level meter (58) are arranged on the cold-storage box body (52), and a heat insulation plate (51) is arranged on the outer surface of the cold-storage box body (52).
6. The integrated cold-storage constant-temperature air-conditioning power supply unit as claimed in claim 1, wherein: the circulating water pump (13) adopts frequency conversion control, and the flow of the secondary refrigerant is automatically adjusted according to the outlet air temperature of the evaporation surface cooler (11), so that the air supply and temperature adjustment are more accurate.
7. The integrated cold-storage constant-temperature air-conditioning power supply unit as claimed in claim 1, wherein: an air outlet temperature sensor (18) and an air supply pressure sensor (17) are arranged on one side of an air outlet of the evaporation surface cooler (11).
8. The integrated cold-storage constant-temperature air-conditioning power supply unit as claimed in claim 1, wherein: an air volume adjusting valve (12) is arranged on the air supply hose (14), and a standard joint is arranged at the outlet end of the air supply hose (14).
9. The integrated cold-storage constant-temperature air-conditioning power supply unit as claimed in claim 1, wherein: the wind power generation device is characterized by further comprising a frequency converter (20), wherein the frequency converter (20) is electrically connected with the high-wind-pressure vortex type air pump (8) and controls the rotating speed of the high-wind-pressure vortex type air pump according to the wind volume requirement.
10. The integrated cold-storage constant-temperature air-conditioning power supply unit as claimed in claim 1, wherein: the power module (9) is provided with a 115V \400HZ alternating current output power supply and a 28V direct current output power supply which respectively control the power consumption of the airplane unit, and the outer side of the box body frame (1) is provided with a corresponding output power socket (4).
CN202010812022.3A 2020-08-13 2020-08-13 Cold-storage constant-temperature air-conditioning power supply integrated unit Pending CN111792053A (en)

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CN202010812022.3A CN111792053A (en) 2020-08-13 2020-08-13 Cold-storage constant-temperature air-conditioning power supply integrated unit

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Application Number Priority Date Filing Date Title
CN202010812022.3A CN111792053A (en) 2020-08-13 2020-08-13 Cold-storage constant-temperature air-conditioning power supply integrated unit

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023141851A1 (en) * 2022-01-26 2023-08-03 滨州学院 Avionics radar ground safeguard device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023141851A1 (en) * 2022-01-26 2023-08-03 滨州学院 Avionics radar ground safeguard device

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