CN111397240A - Cooperative control and synchronous multi-cycle heat pump type air conditioner composite system - Google Patents

Cooperative control and synchronous multi-cycle heat pump type air conditioner composite system Download PDF

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Publication number
CN111397240A
CN111397240A CN202010226495.5A CN202010226495A CN111397240A CN 111397240 A CN111397240 A CN 111397240A CN 202010226495 A CN202010226495 A CN 202010226495A CN 111397240 A CN111397240 A CN 111397240A
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water
heat exchanger
condenser
heat
heat pump
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CN111397240B (en
Inventor
刘恩海
李薇
张文芸
钱英芝
于海龙
朱宝忠
魏玉平
龚亚军
孙运兰
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Changzhou University
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Changzhou University
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B13/00Compression machines, plants or systems, with reversible cycle
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/24Means for preventing or suppressing noise
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/30Arrangement or mounting of heat-exchangers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F6/00Air-humidification, e.g. cooling by humidification
    • F24F6/02Air-humidification, e.g. cooling by humidification by evaporation of water in the air
    • F24F6/04Air-humidification, e.g. cooling by humidification by evaporation of water in the air using stationary unheated wet elements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B39/00Evaporators; Condensers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00Fluid-circulation arrangements
    • F25B41/20Disposition of valves, e.g. of on-off valves or flow control valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00Fluid-circulation arrangements
    • F25B41/30Expansion means; Dispositions thereof
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F6/00Air-humidification, e.g. cooling by humidification
    • F24F6/02Air-humidification, e.g. cooling by humidification by evaporation of water in the air
    • F24F6/04Air-humidification, e.g. cooling by humidification by evaporation of water in the air using stationary unheated wet elements
    • F24F2006/046Air-humidification, e.g. cooling by humidification by evaporation of water in the air using stationary unheated wet elements with a water pump
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/24Means for preventing or suppressing noise
    • F24F2013/242Sound-absorbing material
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2313/00Compression machines, plants or systems with reversible cycle not otherwise provided for
    • F25B2313/027Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means
    • F25B2313/02741Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means using one four-way valve
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2500/00Problems to be solved
    • F25B2500/29High ambient temperatures
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2500/00Problems to be solved
    • F25B2500/31Low ambient temperatures

Abstract

The invention belongs to the technical field of heating and ventilation air conditioners, and relates to a cooperative control and synchronous multi-cycle heat pump type cooling and heating air conditioner composite system, which widens the refrigerating and heating ranges of a traditional air conditioning unit by designing a multi-cycle passage and comprehensively improves the refrigerating and heating capacities of a heat pump cooling and heating air conditioner system, thereby realizing high-efficiency ultralow-temperature heating circulation and ultrahigh-temperature refrigerating circulation, effectively solving the outstanding problems of large energy consumption, small environmental temperature range adaptation range, application range and the like of the existing heat pump type cooling and heating air conditioner and realizing the unification of high efficiency, energy conservation and reliable operation of the system.

Description

Cooperative control and synchronous multi-cycle heat pump type air conditioner composite system
Technical Field
The invention relates to an air conditioning system, in particular to a cooperative control and synchronous multi-cycle heat pump type cooling and heating air conditioning composite system.
Background
The traditional air conditioning system has limited refrigeration and heating upper limit effects, a heat pump air conditioner starts a common heating mode and cannot normally heat at low-temperature ambient temperature (about-10 to-15 ℃), and a heat pump air conditioner starts a common cooling mode and cannot normally cool at high-temperature ambient temperature (about 43 ℃).
Disclosure of Invention
The invention aims to solve the problem that the traditional air conditioning unit has a small refrigerating and heating range, and realizes the comprehensive improvement of the refrigerating and heating capacity of the heat pump air conditioning system. Aiming at the problems, the invention provides a cooperative control and synchronous multi-cycle heat pump type air conditioner composite system, which realizes high-efficiency ultralow-temperature heating cycle and ultrahigh-temperature refrigeration cycle, effectively solves the outstanding problems of large energy consumption, small environment temperature adaptation range, small application range and the like of the conventional heat pump type air conditioner, and realizes the unification of high-efficiency, energy-saving and reliable operation of the system. The system can stably and reliably operate, realizes the functions of high-temperature refrigeration and low-temperature heating, is convenient for indoor temperature and humidity regulation, promotes the uniformity and constancy of an indoor temperature field, and improves the comfort of an air-conditioning room.
The technical scheme adopted by the invention is as follows: a cooperative control and synchronous multi-cycle heat pump type air conditioning composite system comprises
A refrigerating device: comprises a compressor, a four-way reversing valve, a condenser I and an electromagnetic valve K which are sequentially communicated through a channel2Ethylene glycol solution storage tank and main path throttle valve K5The condensation medium in the first evaporator reflows to the compressor to form a circulation main path; an electromagnetic valve K connected in sequence is also arranged between the first condenser and the first evaporator6Auxiliary throttle valve K13Injector and solenoid valve K7Forming a circulating auxiliary road; the first condenser is also communicated with an organic salt solution storage tank;
the refrigerant is compressed by the compressor and sent to the condenser I to become liquid refrigerant, and then is sent to the electromagnetic valve K2Flows through the ethylene glycol liquid storage tank and is cooled down through the main path throttle valve K5Flow splitting after throttling and pressure reduction: one path enters the first evaporator along the main circulation path, and after evaporation and heat absorption, the other path returns to the compressor for continuous compression; the other path is along the circulation auxiliary path through the electromagnetic valve K6Auxiliary throttle valve K13Solenoid valve K7Then, the gas enters a main circulation path after being pressurized in the ejector;
a heating device: comprises a heat exchanger communicated with a circulating channel and an electromagnetic valve K communicated with the heat exchanger4Connected cavitation generator, refrigerant water in the heat exchanger passes through an electromagnetic valve K4Enters a cavitation generator, generates a large amount of bubbles when passing through a pore plate in the cavitation generator, releases heat energy and then flows back to the heat exchanger.
Furthermore, the heating device also comprises a compressor, a four-way reversing valve, a second condenser and a main path throttle valve K which are communicated through a circulating channel5、K1And a second evaporator, wherein the gaseous refrigerant is compressed by the compressor and enters a second condenser, exchanges heat with refrigerant water from the tail end and is condensed into a liquid refrigerant, and the liquid refrigerant passes through a main path throttle valve K5Throttling, reducing pressure, entering an evaporator II, evaporating, absorbing heat, changing into a gaseous refrigerant, and returning to the compressor for continuous compression.
Furthermore, the second condenser and the first evaporator are the same device; the evaporator II and the condenser I are the same device.
Furthermore, a micro humidifier is arranged on the side of the heat exchanger and comprises a circulating electronic water pump, a water tank, a wet film material and a water distributor, the circulating electronic water pump sends water in the water tank to the water distributor, the wet film material washes dry air entering the micro humidifier, the water distributor humidifies the air, the wet film material purifies the air, and the humid and clean air is conveyed out through a fan device.
Furthermore, a silencing mechanism is arranged on the outer wall of the heat exchanger, the outer wall of the heat exchanger comprises an inner shell and an outer shell, a cavity is arranged between the inner shell and the outer shell, one side of the inner shell, facing the outer shell, is provided with a layered silencing belt and a micro-perforated plate in sequence, and a silencing cavity is formed between the outer shell and the micro-perforated plate.
Furthermore, violently pipe water inlet pipe section on adopts the deformation pipe material, and the lateral wall of deformation pipe is the wave and changes, and the inner wall of violently managing in center then adopts the form of internal thread upwards, adopts the pipeline type of two kinds so that carry out the heat transfer better.
The beneficial effects produced by the invention comprise: the air conditioning system (1) is suitable for refrigeration circulation in an extremely high temperature environment; (2) the heating cycle in an extremely low temperature environment is adapted; (3) indoor air purification circulation which is timely humidified by adopting a wet film material; (4) carrying out anti-condensation and air-out mute silencing treatment circulation; (5) the 'wing vortex type' tail end device is arranged to strengthen heat exchange circulation.
Description of the drawings:
FIG. 1 is a system operation diagram
FIG. 2 is a view of a humidifier
FIG. 3 is a top view of the heat exchanger of the present invention
FIG. 4 is a partial enlarged view of a silencing structure of an air conditioner
FIG. 5 is a partial enlarged view of the muffling chamber
FIG. 6 is a view of the shell of the heat exchanger of the present invention
FIG. 7 is an internal view and control diagram of the inventive heat exchanger
FIG. 8 is a schematic view of a heat exchange tube
FIG. 9 is a sectional view of a heat exchange tube
FIG. 10 is an enlarged view of a wing-type vortex generator
FIG. 11 is a partial enlarged view of an electric heating wire inside a heat exchange tube
In the figure: 1. a compressor; 2. a four-way reversing valve; 3. a gas-liquid separator; 4. an organic salt solution storage tank; 5. a purge valve; 6. a liquid discharge port; 7. cooling water; 8. a condenser; 9. an ejector; 10. a glycol solution storage tank; 11. an ejection port; 12. a solution pump; 13. an evaporator; 14. an electric heating wire; 15. a water collector; 16, a humidifier; 18. a cavitation generator; 19. controlling the monitor; 20. a terminal heat exchanger; 21. a water dispenser; 22. moist air; 23. a wet film material; 24. drying the air; 25. a water tank; 26. a water pump; 27. a fan; a heat exchanger rear wall housing; 30. a heat exchanger rear wall inner shell; 31. a heat exchange pipe; 32. a sound deadening band; 33. the rear side of the micro-perforated plate; 34. the front side of the micro-perforated plate; 35. a sound-deadening chamber; 36. a soft belt; 28. a heat exchanger back shell fan; 3. a heat exchanger housing; 39. 45. a sensing element; 40. a gravity detector; 41. a humidity detector; 42. a temperature detector; 43. an air quantity detector; 44. a control center; 46. a connecting material; 47. drying the soft belt; 48. an inlet transverse pipe of the heat exchanger; 49. a reducer pipe; 50. a wing-type vortex generator; 52. 53. circulating the electronic water pump.
Main path throttle valve K5Auxiliary throttle valve K13And the other valves are all control valves (electromagnetic valves).
Detailed Description
The present invention is explained in further detail below with reference to the drawings and the specific embodiments, but it should be understood that the scope of the present invention is not limited to the specific embodiments.
As shown in fig. 1: the air conditioning system comprises a compressor 1, a four-way reversing valve 2, a condenser 8 and an electromagnetic valve K which are sequentially communicated through a channel2A glycol solution storage tank 10 and a main path throttle valve K5And an evaporator 13, wherein the condensing medium in the evaporator 13 flows back to the compressor 1 to form a circulation main circuit; an electromagnetic valve K connected in sequence is also arranged between the condenser 8 and the evaporator 136Auxiliary throttle valve K13Injector 9 and solenoid valve K7Forming a circulating auxiliary road; the condenser 8 is also communicated with an organic salt solution storage tank 4, an electromagnetic valve K3 is arranged on a channel between the organic salt solution storage tank 4 and the condenser 8, and the organic salt solution storage tankThe pipe 4 is just the pipe outside the condenser 8, i.e. the fluid inside the pipe is not communicated and contacted, and is the heat transfer between the pipe and the pipe, the organic salt solution storage tank 4 is provided with a deflation valve 5 and a liquid discharge port 6, the above is a refrigeration communication line, the evaporator 13 in the refrigeration process is the condenser 8 in the heating process, the condenser 8 is the evaporator 13, and the compressor 1 is also connected with a gas-liquid separator 3.
A channel for connecting the condenser 8 and the electromagnetic valve K5 is also arranged between the condenser and the electromagnetic valve K5, the electromagnetic valve K1 is arranged on the channel, the heat exchanger 20 communicated with the heat exchanger through a circulating channel is also arranged on the heat exchange device, and the electromagnetic valve K is arranged between the heat exchanger and the heat exchanger4 A cavitation generator 18 is connected, and refrigerant water in the heat exchanger 20 passes through a solenoid valve K4Enters the cavitation generator 18, generates a large amount of bubbles when passing through an orifice plate in the cavitation generator 18, releases heat energy and then flows back to the heat exchanger, and the heat exchanger 20 is provided with a scavenging valve 17. The heat exchanger is internally provided with sensing elements 39 and 45 which are used for monitoring signals at two ends of the heat exchanger respectively in time.
(1) The method is suitable for refrigeration circulation in an extremely high temperature environment: under the high-temperature environment temperature (about 43 ℃), the heat pump air conditioner starts a common refrigeration mode and can not normally refrigerate, and in order to ensure the reliable operation of the heat pump air conditioner under the extreme high-temperature environment, a high-temperature refrigeration cycle is provided: as shown in FIG. 1, the four-way reversing valve 2 switches the cooling mode, K1Off, K2、K3、K7、K6And (4) opening. The refrigerating working medium is compressed by a compressor 1 and sent into a condenser 8, exchanges heat with cooling water 7 which is cooled by an organic salt solution storage tank 4 and comes from a cooling tower, is cooled and condensed to become a liquid refrigerating working medium, and is changed into a liquid refrigerating working medium by an electromagnetic valve K2After the ethylene glycol liquid storage tank 10 is cooled and throttled and depressurized by the main path throttle valve K: one path of the refrigerant water enters the evaporator 13, evaporates and absorbs heat from the tail end (the refrigerant water carries cold energy to enter the heat exchanger 20 to exchange heat with indoor air, and the cold energy is brought into the room to realize refrigeration), becomes gaseous refrigerant, and returns to the compressor 1 to continue to be compressed. On the other hand, the other path passes through an electromagnetic valve K along the auxiliary circulation system6Auxiliary throttle valve K13Secondary throttling pressure reducing electromagnetic valve K6The mixed fluid is mixed with the main path refrigeration working medium, the refrigerant with different pressures, namely high temperature, high pressure and high flow rate, of the two paths of refrigeration working media enters a receiving chamber of the ejector 9, the low pressure in front of the ejector 9 is injected, the mixed fluid is mixed in a mixing chamber in the ejector 9 and stably enters a pressurizing chamber, the pressurizing chamber is a certain pipe section in the ejector 9, the internal pressure changes due to pipe diameter changes, namely, the pressure is increased, the pressure of the sucked steam is gradually increased, the pressurized mixed fluid in the ejector 9 is mixed with the main path circulation refrigerant and then is injected in the ejector 9, the main path circulation refrigeration working medium is supercooled in the ethylene glycol liquid storage tank 10, the refrigeration cycle is completed, and the ejector 9 injects the mixed fluid, namely, the two paths of refrigerant fluid are mixed. Meanwhile, in the ethylene glycol liquid storage tank 10, the ethylene glycol solution in the tank completes multiple atomization spraying of the main path refrigeration working medium flowing through the tank under the action of the solution pump 12, and supercooling heat exchange is promoted. (2) The method is suitable for heating circulation in an extremely low temperature environment: under the low-temperature environment temperature (about-10 to-15 ℃), the heat pump air conditioner starts a common heating mode and cannot normally heat, and in order to ensure that the heat pump air conditioner can reliably run under the extreme low-temperature environment, a low-temperature environment heating cycle is provided: as shown in FIG. 1, the four-way selector valve 2 switches heating mode, K1Opening, K2、 K3、K7、K6And closing. The whole heating is timely detected and regulated according to the terminal temperature: and matching the mode I, the mode II and the mode III in a cooperative combination manner.
① operation mode I, refrigerant is compressed by compressor 1 and enters evaporator 13 (at this time, evaporator 13 becomes condenser 8), and is cooled and condensed by refrigerant water from the end (the refrigerant water carries heat to enter heat exchanger 20, exchanges heat with indoor air, brings the heat to indoor, realizes heating), and then becomes liquid refrigerant, passes through main path throttle valve K5The refrigerant enters a condenser 8 (at the moment, the condenser 8 becomes an evaporator 13) after throttling and pressure reduction, is evaporated to absorb heat from cooling water 7, then becomes a gaseous refrigerant, returns to the compressor 1 to be compressed continuously, and continues to circulate for heating.
② operation mode II, according to the end temperature detection, when the ordinary heating can not meet the requirement, the electromagnetic valve K is opened, the little refrigerant water from the end heat exchanger 20 enters the cavitation generator 18, when passing through the orifice plate in the cavitation generator 18, because of the flow resistance of the orifice plate, the flow rate and pressure of the refrigerant water increase sharply, when reaching the set pressure value of the cavitation generator 18, a large amount of bubbles are generated, energy effect is formed, local high temperature thermal efficiency is output, heat energy is released, the refrigerant water carries the heat released by the cavitation generator 18 to return to the inlet of the end heat exchanger 20, enters the heat exchanger, to assist heat exchange and improve the heating capability.
③ operation mode III, according to the end temperature detection, when the ordinary heating can not meet the requirement, the electric heating wire 14 is started to heat the refrigerant water in the water collector 15, when the temperature setting requirement is reached, the refrigerant water is sent to the inlet of the end heat exchanger 20 through the circulating pump 53 and enters the heat exchanger to assist heat exchange and improve the heating capability.
Meanwhile, the heat exchanger 20 is provided with the micro humidifier 16, and when the moisture of the air is detected to be insufficient, the indoor air can be humidified, so that people feel comfortable.
The invention also aims at the system to carry out function deployment, which comprises the following steps:
for the function adjustment of the end heat exchanger 20, a micro humidifier 16 is installed on the lower left side thereof, as shown in fig. 2. The micro humidifier 16 comprises a circulating electronic water pump 26, a water tank 25, a wet film material 23 and a water distributor 21, wherein the water in the water tank 25 is sent to the water distributor 21 by the circulating electronic water pump 26, the wet film material 23 washes dry air 24 entering the humidifier 16, the air is purified by the wet film material 23 while the water distributor 21 humidifies the air, and the wet air 22 is sent to the room through a fan 27 device 27, so that the indoor environment humidity is improved, and the indoor air circulation is promoted.
The function of the end heat exchanger 20 is adapted, the silencing and silencing treatment is as shown in fig. 4, 5 and 6, a silencing mechanism is arranged on the outer wall of the heat exchanger, the outer wall of the heat exchanger comprises a heat exchanger rear wall inner shell 30 and a heat exchanger rear wall outer shell 29, a cavity is arranged between the inner shell 30 and the outer shell 29, a layered silencing band 32 and a micro-perforated plate are arranged on one side of the inner shell 30 facing the outer shell 29 in sequence, a silencing cavity 35 is formed between the outer shell 29 and the micro-perforated plate, ① is formed by coating an aluminum film and a graphene layer on the surface of the inner shell 10 of a 'convex cavity' of the rear wall of the heat exchanger device, the heat reflectivity and the heat transfer performance are good, and the silencing and moisture proofing are achieved at the same time, ② further explains that the noise generated by the fan 28 passes through the silencing band 32 (the inner wall is coated with a 'pyramid-shaped' sound absorbing material with sound absorbing and porous fibers, when the sound wave transmitted from the end of the fan 28 enters from the tip of the 'pyramid-shaped sound absorbing' sound absorbing material ', the sound absorbing material's acoustic impedance is better matched with the sound absorbing material, the sound of the sound absorbing material of the sound band 32 due to the sound absorbing material of the pyramid-absorbing material, the sound absorbing material of the.
And (3) performing function allocation, condensation and timely monitoring and processing of condensed water according to the functions of the tail end heat exchanger 20, as shown in fig. 7.
① the heat exchanger is configured by fixing the back wall shell 29 on the clamp seat frame through the clamp seat and having a proper distance with the working device, thus saving the length of the pipe section, keeping a distance between the back wall shell 29 and the wall body for convenient heat dissipation, and then connecting two sections of pipe sections with right diameters to the water inlet of the heat exchange pipe 31 and the water outlet of the heat exchange pipe 31, thus ensuring no water leakage.
② terminal parameter control system, the control center 44 is composed of control monitor 19, gravity detector 40, humidity detector 41, temperature detector 42, air volume detector 43, etc., the control monitor 19 monitors and controls the change of film gravity, temperature, humidity, air volume, etc. on the surface of the heat exchange tube 31 timely according to signal monitoring and cooperative control, and aims to process the condensation phenomenon of the terminal heat exchanger 20, when the surface temperature of the terminal heat exchanger 20 is lower than the dew point temperature of the indoor air, the condensation water will be separated out.
I, detecting the heat and humidity change in the indoor area of the house at the right moment by a humidity detector 41 and a temperature detector 42, sending command signals, adjusting the indoor air supply temperature difference at the right moment, regulating and controlling an air quantity detector 43 to increase the instantaneous air quantity, and sending the processed air into the house through a louver grid air outlet after silencing and static pressure processing; meanwhile, the fan 27 is arranged at the rear side of the heat exchange pipe 31 to strengthen the air convection heat exchange; the shutter is arranged on the front side of the heat exchange tube 31 and is provided with a grille for flexibly adjusting the size and the inclination angle of the air door so as to effectively control the air quantity and change the change of the outlet air direction and aim at cooperatively matching the air quantity regulation amplitude of the air quantity detector 43;
II, detecting the gravity change of the film absorbing material caused by water absorption according to the action of the gravity detector 40, and timely cooperating with the control center 44 to start the treatment of reducing the humidity and the temperature difference and increasing the anti-condensation phenomena such as air exhaust, moisture extraction and the like;
and III, starting the drying soft belt 47 to work while processing signals according to the control center 44, and drying the condensed water dropping into the water collecting tray. Wherein, the soft drying belt 47 is laid in the water collecting tray, the surface of the soft drying belt is provided with a zigzag convex-concave interval shape, the soft drying belt 47 is arranged right below the heat exchange pipe and internally provided with a heating wire and drying moisture. The connecting material 46 (a metallic material, like a wire) connects the flexible drying belt to the instrument chassis. The purpose is to facilitate 44. the control center performs the monitoring. In the heat exchange process, water vapor in the air meets the cold surface of the tail end heat exchanger 20 and forms condensed water through condensation, and is dripped into a water collecting tray at the bottom of the heat exchanger, so that moisture absorption and drying treatment are easy to carry out in time.
③ the gravity detector 40 has the functions that when the surface of the middle pipe section of the horizontal pipe has dew due to temperature difference, water drops on the hydrophilic film tightly attached to the pipe side outside the horizontal pipe, the film gravity changes, the gravity detector 40 detects the gravity change value and transmits the result to the automatic controller 19, and the valve K is opened12And the soft drying belt 47 is started to finish the drying process.
The function of the end heat exchanger 20 is adapted as shown in fig. 8, 9, 10 and 11:
① its coil pipe (bend) adopts the mode of the lateral circulation (the horizontal direction surrounds the flow), the surface heat transfer coefficient of the lateral circulation is 2 times of the longitudinal circulation, the heat exchange effect is better, the horizontal pipe upper water inlet pipe section adopts the deformation pipe material, one side wall of the deformation pipe adopts the side wall of the wave change, and then can change the internal diameter of the deformation pipe, as shown in figure 11 specifically, the inner wall of the central horizontal pipe adopts the form of the upward internal thread, adopts two types of pipe types to exchange heat better, the fluid to be exchanged enters the heat exchange pipe 31 through the water inlet of the heat exchange pipe 31, the fluid in the pipe completes the heat exchange through the lateral circulation mode, and flows out from the water outlet.
② the heat exchanger is coiled with a coil composed of several parallel cross tubes, the cross tube 48 at the inlet of the heat exchanger is a reducer 49 shell, the diameter of the upper side is changed, the diameter of the lower side is not changed, as shown in fig. 9, the tube wall of the upper side is distributed in a concave-convex curve, which makes the diameter of the tube increased or decreased, when the water flow passes through the reducer 49, the speed of the water flow is changed by the pressure, which can generate vortex phenomenon or secondary circulation, thus the temperature difference between the water flow inlet and outlet in the tube is increased, the heat exchange is enhanced, the diameter of the lower side is not changed, the water flow in the tube is smoother, the water accumulation phenomenon can not occur, the water for heat exchange can not remain, and it is a way to increase the heat exchange, the 'wing vortex' generator 50 is distributed.
③ enlarged view of the "wing vortex" generator, the wing vortex generator 50 distributed on the outer surface of the heat exchange tube 31 has the effect that when water flows through the wing vortex generator 50, the direction of partial water flow changes, and the vortex phenomenon is generated around the generator due to uneven stress of water, so that the temperature difference of water inside and outside the tube is increased, and the heat exchange is enhanced.
④ local enlarged view of the heating wire in the heat exchange tube 31. the electric heating wire 51 is installed at the inside diameter-variable part of the tube shell, and when water flows through the electric heating wire, the water temperature is increased by the electrified electric heating wire, so that the temperature of the water in the heat exchange tube 31 is changed, the heat exchange is enhanced, and the heat exchange effect is better.
The system of the invention can be suitable for refrigeration circulation in an extremely high temperature environment: under the high-temperature environment temperature (about 43 ℃), the heat pump air conditioner starts a common refrigeration mode and cannot perform normal refrigeration, and in order to ensure that the heat pump air conditioner can reliably run under the extreme high-temperature environment, a high-temperature refrigeration cycle is provided.
The method is suitable for heating circulation in an extremely low temperature environment: under the low-temperature environment temperature (about-10 to-15 ℃), the heat pump air conditioner starts a common heating mode and cannot normally heat, in order to ensure that the heat pump air conditioner can reliably run under the extreme low-temperature environment, a low-temperature environment heating cycle is provided, and the whole heating is timely detected and regulated according to the terminal temperature: and matching the mode I, the mode II and the mode III in a cooperative combination manner.
The indoor air purification circulation which is timely humidified by the wet film material 23 is adopted, the self-circulation of the flow of the cold (hot) medium of the system is adjusted according to the timely detection of the tail end and outdoor temperature and humidity signals, the multi-circulation function switching control and the self-circulation of the flow of the cold (hot) medium of the system, the condensation phenomenon of the surface of a heat exchange device at the tail end of an air conditioner and an air outlet can be effectively controlled and treated, the indoor temperature and humidity of a house are stable, and the air conditioning technical support is provided for improving. And performing mute and noise elimination treatment aiming at the function allocation of the tail end heat exchanger 20. Timely monitoring and processing of condensation and condensed water.
The function of the tail end heat exchanger 20 is adjusted according to ①, a coil pipe of the tail end heat exchanger adopts a transverse circulation heat exchange mode, a transverse pipe at the inlet of a ② heat exchanger adopts a reducer 49 shell, the pipe diameter of the upper side is changed, the pipe diameter of the lower side is not changed, when water flows through the reducer 49, the water flow speed caused by pressure is changed, and a vortex phenomenon or secondary circulation occurs, so that the temperature difference of the water flow inlet and the water flow outlet in the pipe is increased, the heat exchange is enhanced, the pipe diameter of the lower side is not changed, the water flow in the pipe is smoother, the water accumulation phenomenon cannot occur, no water remains after heat exchange, the heat exchange effect is also increased.
Aiming at the adjustment of the silencing and silencing functions of the heat exchanger 20 at the tail end of the air conditioner, an inner shell of a 'convex cavity' on the rear wall of the heat exchanger 20 at the tail end is arranged, the inner wall of the inner shell is pasted with a 'pyramid-shaped' sound absorption material which has the sound absorption effect and is made of porous fibers, when sound waves transmitted from the end of the fan 28 enter from the tip of the 'pyramid-shaped' sound absorption material, due to the gradual transition property of the sound absorption band 32, the sound waves are transmitted into the 'pyramid-shaped' sound absorption band 32 and are efficiently absorbed, meanwhile, a grid which is arranged on the front side of the heat exchange tube 31 and flexibly adjusts the size and the inclination angle of an air door is adopted, so that the air quantity is effectively controlled, the wind direction change of an outlet is changed. Not only can realize the direct control to the terminal effect of heat supply, cooling, can also play dirt-proof effect.
The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the content of the embodiment. It will be apparent to those skilled in the art that various changes and modifications can be made within the technical scope of the present invention, and any changes and modifications made are within the protective scope of the present invention.

Claims (6)

1. A cooperative control and synchronous multi-cycle heat pump type air conditioner composite system is characterized in that: the refrigeration device comprises a refrigeration device: comprises a compressor, a four-way reversing valve, a condenser I and an electromagnetic valve K which are sequentially communicated through a channel2Ethylene glycol solution storage tank and main path throttle valve K5The condensation medium in the first evaporator reflows to the compressor to form a circulation main path; an electromagnetic valve K connected in sequence is also arranged between the first condenser and the first evaporator6Auxiliary throttle valve K13Injector and solenoid valve K7Forming a circulating auxiliary road; the first condenser is also communicated with an organic salt solution storage tank;
the refrigerant is compressed by the compressor and sent to the condenser I to become liquid refrigerant, and then is sent to the electromagnetic valve K2Flows through the ethylene glycol liquid storage tank and is cooled down through the main path throttle valve K5Flow splitting after throttling and pressure reduction: one path enters the first evaporator along the main circulation path, and after evaporation and heat absorption, the other path returns to the compressor for continuous compression; the other path is along the circulation auxiliary path through the electromagnetic valve K6Auxiliary throttle valve K13Solenoid valve K7Then, the gas enters a main circulation path after being pressurized in the ejector; a heating device: comprises a heat exchanger communicated with a circulating channel and an electromagnetic valve K communicated with the heat exchanger4Connected cavitation generators, in said heat exchangersRefrigerant water passes through an electromagnetic valve K4Enters a cavitation generator, generates a large amount of bubbles when passing through a pore plate in the cavitation generator, releases heat energy and then flows back to the heat exchanger.
2. A cooperative control, synchronous multi-cycle heat pump type air conditioning hybrid system as claimed in claim 1, wherein: the heating device also comprises a compressor, a four-way reversing valve, a second condenser and a main path throttle valve K which are communicated through a circulating channel5、K1And a second evaporator, wherein the gaseous refrigerant is compressed by the compressor and enters a second condenser, exchanges heat with refrigerant water from the tail end and is condensed into a liquid refrigerant, and the liquid refrigerant passes through a main path throttle valve K5Throttling, reducing pressure, entering an evaporator II, evaporating, absorbing heat, changing into a gaseous refrigerant, and returning to the compressor for continuous compression.
3. A cooperative control, synchronous multi-cycle heat pump type air conditioning hybrid system as claimed in claim 2, wherein: the condenser II and the evaporator I are the same device; the evaporator II and the condenser I are the same device.
4. A cooperative control, synchronous multi-cycle heat pump type air conditioning hybrid system as claimed in claim 2, wherein: the micro humidifier is arranged on the side of the heat exchanger and comprises a circulating electronic water pump, a water tank, a wet film material and a water distributor, the circulating electronic water pump sends water in the water tank to the water distributor, the wet film material washes dry air entering the micro humidifier, the water distributor humidifies the air, the wet film material purifies the air, and the humid and clean air is conveyed out through a fan device.
5. A cooperative control, synchronous multi-cycle heat pump type air conditioning hybrid system as claimed in claim 2, wherein: the outer wall of the heat exchanger is provided with a silencing mechanism, the outer wall of the heat exchanger comprises an inner shell and an outer shell, a cavity is arranged between the inner shell and the outer shell, one side of the inner shell, facing the outer shell, is provided with a layered silencing belt and a micro-perforated plate in sequence, and a silencing cavity is formed between the outer shell and the micro-perforated plate.
6. A cooperative control, synchronous multi-cycle heat pump type air conditioning hybrid system as claimed in claim 1, wherein: the pipe section of the water inlet on the transverse pipe adopts a section-changing pipe, and the inner wall of the central transverse pipe adopts an upward internal thread form.
CN202010226495.5A 2020-03-27 2020-03-27 Cooperative control and synchronous multi-cycle heat pump type air conditioner composite system Active CN111397240B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113266900A (en) * 2021-05-20 2021-08-17 中原工学院 Vortex ring air distribution type synchronous multifunctional circulating heat pump air conditioning system
CN113915804A (en) * 2021-06-21 2022-01-11 中南大学 Steam-mixing super-cavitation jet noise suppression device for thermal expansion valve

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2856802Y (en) * 2005-12-23 2007-01-10 深圳市中至为科技有限公司 Ice making and cold storage air conditioning system
CN101915475A (en) * 2010-08-23 2010-12-15 孙以川 Liquid heat energy circulating system and application thereof
CN102116537A (en) * 2011-03-29 2011-07-06 清华大学 Solution spray type heat pump set
CN102141279A (en) * 2011-03-29 2011-08-03 广州市华德工业有限公司 Solution-spraying type air-conditioner heat pump unit
CN103940164A (en) * 2014-05-16 2014-07-23 清华大学 Solution spraying type frostless air source heat pump device
CN203869238U (en) * 2014-06-06 2014-10-08 广东西屋康达空调有限公司 Muting air-conditioning unit for air cooled heat pump
CN209763393U (en) * 2019-04-29 2019-12-10 广东美的制冷设备有限公司 humidification subassembly, humidification device and air conditioner
CN110906481A (en) * 2019-12-05 2020-03-24 浙江大学 Heat pump system using evaporative cooling

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2856802Y (en) * 2005-12-23 2007-01-10 深圳市中至为科技有限公司 Ice making and cold storage air conditioning system
CN101915475A (en) * 2010-08-23 2010-12-15 孙以川 Liquid heat energy circulating system and application thereof
CN102116537A (en) * 2011-03-29 2011-07-06 清华大学 Solution spray type heat pump set
CN102141279A (en) * 2011-03-29 2011-08-03 广州市华德工业有限公司 Solution-spraying type air-conditioner heat pump unit
CN102230688A (en) * 2011-03-29 2011-11-02 清华大学 Solution-spraying heat pump unit
CN103940164A (en) * 2014-05-16 2014-07-23 清华大学 Solution spraying type frostless air source heat pump device
CN203869238U (en) * 2014-06-06 2014-10-08 广东西屋康达空调有限公司 Muting air-conditioning unit for air cooled heat pump
CN209763393U (en) * 2019-04-29 2019-12-10 广东美的制冷设备有限公司 humidification subassembly, humidification device and air conditioner
CN110906481A (en) * 2019-12-05 2020-03-24 浙江大学 Heat pump system using evaporative cooling

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113266900A (en) * 2021-05-20 2021-08-17 中原工学院 Vortex ring air distribution type synchronous multifunctional circulating heat pump air conditioning system
CN113915804A (en) * 2021-06-21 2022-01-11 中南大学 Steam-mixing super-cavitation jet noise suppression device for thermal expansion valve

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