CN107270447A - A kind of capillary radiation special air conditioner heat pump fresh air group and its control method - Google Patents

A kind of capillary radiation special air conditioner heat pump fresh air group and its control method Download PDF

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Publication number
CN107270447A
CN107270447A CN201710516369.1A CN201710516369A CN107270447A CN 107270447 A CN107270447 A CN 107270447A CN 201710516369 A CN201710516369 A CN 201710516369A CN 107270447 A CN107270447 A CN 107270447A
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CN
China
Prior art keywords
air
water
fresh air
heat
fresh
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CN201710516369.1A
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Chinese (zh)
Inventor
陈建刚
Original Assignee
斯福朗(北京)环保科技有限公司
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Priority to CN201710516369.1A priority Critical patent/CN107270447A/en
Publication of CN107270447A publication Critical patent/CN107270447A/en

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/12Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
    • F24F3/14Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • 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, e.g. for transferring liquid from evaporator to boiler
    • F25B41/06Flow restrictors, e.g. capillary tubes; Disposition thereof
    • F25B41/062Expansion 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
    • F25B43/00Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat

Abstract

The invention discloses a kind of capillary radiation special air conditioner heat pump fresh air group and its control method, the Cooling and Heat Source and treated fresh air needed for air conditioning terminal are provided simultaneously using a set of unit, the demand of room conditioning demand and fresh-air ventilation amount is met.The technical scheme provided according to the present invention, the special frequency conversion air source heat pump Fresh air handling units of capillary radiation provide Cooling and Heat Source and resh air requirement simultaneously in a set of unit, realize the coordinating and unifying, the accurate control of intelligence of air conditioner cold-heat source system and fresh air treatment system.A kind of capillary radiation special air conditioner heat pump fresh air group and its control method of the present invention is energy-efficient, realizes intelligent integrated and control, unit operation is reliable and stable.

Description

A kind of capillary radiation special air conditioner heat pump fresh air group and its control method

Technical field

The invention belongs to capillary radiation air-conditioning technical field, specifically a kind of capillary radiation special air conditioner heat pump fresh air Unit and its control method.

Background technology

Capillary radiation air conditioning applications system, adds fan coil system to compare with common handpiece Water Chilling Units, with many excellent Point:

It is environment friendly and pollution-free;It is energy-efficient, no matter winter or summer, efficiency of energy utilization be far above other forms heat supply or confession Cold air conditioning system;Stable and safe in operation;It is more comfortable, it is indoor without blowing feeling, noiseless influence, interior space temperature uniformity; It is more attractive, it is not take up indoor any space.Capillary radiation air conditioning applications system is widely used in high-end villa, apartment, club Deng place.

Current capillary radiation air-conditioning system is main to give end capillary by common cold water source pump offer hot and cold water Net, meets indoor environment refrigeration or the demand heated, then with needed for independent Fresh air handing unit to indoor environment offer ventilation Resh air requirement.This mode, system is completely separate, and control is each independent, it is necessary to which user of service possesses certain professional ability Operate each subsystem, misoperation easily causes that air-conditioning effect is not good, and ventiduct roadbed is not enough, or even indoor condensation etc. is serious Adverse consequences, and each independent device systems install complicated, the more spaces of occupancy, influence finishing effect, working service is extremely Inconvenience.

The content of the invention

The technical problem to be solved in the present invention is to provide a kind of capillary radiation special air conditioner heat pump fresh air group and its control Method processed, heat pump fresh air group can be avoided because heat pump host subsystem and Fresh air handing unit subsystem are each independent, to hair The various deficiencies above that tubule air-conditioning system is brought, the real advantage for playing capillary radiation air-conditioning system, so that more Good meets demand of the user to higher quality of the life.

For achieving the above object, a kind of capillary radiation special air conditioner heat pump fresh air group of the invention, including pressure Contracting machine, the exhaust outlet of the compressor connects the D interface of four-way valve, and the tracheae of the C interface connection finned heat exchanger of four-way valve enters Mouthful, the liquid pipe outlet of finned heat exchanger is connected with filter, electric expansion valve, reservoir, electric expansion valve, stop valve successively, The liquid pipe of the finned heat exchanger is connected by indoor set outdoor unit connecting tube with indoor set, the liquid pipe of the finned heat exchanger according to Secondary process filter, water-side heat come out, the liquid pipe of the finned heat exchanger by indoor set outdoor unit connecting tube, then with room Outer machine connection, the liquid pipe of the finned heat exchanger is connected with stop valve, four-way valve, qi leel successively, is eventually connected to compressor Gas returning port, constitutes the refrigerant circulation loop of a closing.

Expansion drum is connected on the inlet tube of water pump, the water side ports of the outlet connection water-side heat of water pump, and water side is changed The water side another port of hot device is connected on air-conditioning feed pipe, and air-conditioning feed pipe connects a branched pipe simultaneously, and branched pipe is passed through successively Stop valve, motor-driven valve are crossed, is connected with the water inlet pipe of fresh air processor, the outlet pipe of fresh air processor is returned after stop valve with air-conditioning Water pipe is connected to the entrance of water pump after merging, after the external water pipeline of air-conditioning side is connected, and constitutes the water-flow circuit of closing.

It is connected after the humidification humidified valve of filling pipe with Fresh air handing unit.

Fresh air is connected through fresh wind port with fresh air processor, and fresh air processor is connected through air feed mouthful with indoor air feed.

A kind of control method of capillary radiation special air conditioner heat pump fresh air group, including refrigeration mode, the refrigeration mould The control process of formula is as follows:

C interface of the high-temperature high-pressure refrigerant gas through four-way valve of compressor discharge, into finned heat exchanger, in fin heat exchange After condensation heat release is to air in device, become the refrigerant liquid of middle temperature high pressure, the refrigerant liquid of middle temperature high pressure exchanges heat from fin After device comes out, reservoir, the pure liquid refrigerant that reservoir comes out, by electronics are entered after filter, electric expansion valve After expansion valve throttling, become the refrigerant air-liquid mixture of low-temp low-pressure, machine is got in after stop valve, machine is passed through indoors Cross filter and enter water-side heat, evaporation is absorbed after the heat of water in water-side heat, all becomes the system of low-temp low-pressure Refrigerant gas, the refrigerant gas of the low-temp low-pressure come out from water-side heat enters outdoor after connecting tube and stop valve Machine, by entering after four-way valve, and diverted control in gas-liquid separator, separates small part liquefied in gas-liquid separator After refrigerant liquid, discharge is compressed again into the suction end of compressor, and by compressor, is formed continual refrigeration and is followed Ring.

Outside air conditioner water returns to pump entrance through air-conditioning water return outlet, in the effect of water pump, continual to be pumped to water In the heat exchanger of side, become cold water after heat release cooling in water-side heat and come out, then indoor end is sent to by air-conditioner water outlet pipe In, to meet the refrigeration demand of interior.

Now fresh air processor is closed, and motor-driven valve is closed, and humidifier valve is closed, and unit only externally provides idle call Cold water, does not provide fresh air, and unit only realizes refrigerating function.

Further, the control method of above-mentioned capillary radiation special air conditioner heat pump fresh air group, in addition to refrigeration+fresh air Ventilatory pattern, the control process of the refrigeration+fresh-air ventilation pattern is as follows:

Unit opens fresh air processor on the basis of refrigeration mode, and motor-driven valve is closed, and humidifier valve is closed, and unit is providing air-conditioning While using cold water, to indoor offer without dehumidifying or the fresh air humidified, unit realizes the function of refrigeration+fresh-air ventilation.

It is another to improve, the control method of above-mentioned capillary radiation special air conditioner heat pump fresh air group, in addition to refrigeration+new Wind dehumidification mode, the control process of the refrigeration+fresh air dehumidification pattern is as follows:

Unit opens fresh air processor on the basis of refrigeration mode, and motor-driven valve is opened, the cold water come out from water-side heat, one Part enters in fresh air processor by motor-driven valve, cool-down dehumidification is carried out to fresh air, this part water with new air heat-exchange after heating up Pump entrance is returned to together with air-conditioning backwater again, and fresh air is indoor by air feed mouthful feeding after dehumidifying and cooling, unit is providing empty While calling cold water, to fresh air of the indoor offer through dehumidifying, unit realizes the function of refrigeration+fresh air dehumidification.

Another to improve, the control method of above-mentioned capillary radiation special air conditioner heat pump fresh air group, in addition to fresh air are changed Gas pattern, the control process of the fresh-air ventilation pattern is as follows:

Compressor of outdoor unit does not start, and indoor set water pump does not start, only start fresh air processor, unit to indoor offer without except Wet or humidification fresh air, unit realizes the function of fresh-air ventilation.

Further, the control method of above-mentioned capillary radiation special air conditioner heat pump fresh air group, in addition to fresh-air ventilation+ Humidifying mode, the control process of the fresh-air ventilation+humidifying mode is as follows:

Unit is on the basis of fresh-air ventilation pattern, and the humidifier opened in humidifier valve, fresh air processor is humidified to fresh air, and Fresh air after humidification is indoor through air feed mouthful feeding, and unit realizes the function of fresh-air ventilation+humidification.

It is another to improve, the control method of above-mentioned capillary radiation special air conditioner heat pump fresh air group, in addition to heat mould Formula, the control process of the heating mode is as follows:

E interface of the high-temperature high-pressure refrigerant gas through four-way valve of compressor discharge enters stop valve, and enters to enter the room through connecting tube Interior machine, indoors machine enter water-side heat, in water-side heat condense heat release to air conditioner water after, become the system of middle temperature high pressure Cryogen liquid, the refrigerant liquid of middle temperature high pressure is after water-side heat comes out, by filter and connecting tube, into outdoor Machine, arrives electric expansion valve, by the swollen of electric expansion valve again after outdoor unit enters reservoir after stop valve, electric expansion valve Become the refrigerant air-liquid mixture of low-temp low-pressure after swollen throttling, and enter after filter in finned heat exchanger, in fin In heat exchanger after the heat of evaporation absorption air, all become the refrigerant gas of low-temp low-pressure, come out from finned heat exchanger The refrigerant gas of low-temp low-pressure enters after four-way valve, and diverted control and entered in gas-liquid separator, in gas-liquid separator Separate after the liquefied refrigerant liquid of small part, discharge is compressed again into the suction end of compressor, and by compressor, formed It is continual to heat circulation.

Outside air conditioner water is connected to pump entrance through air-conditioning return pipe, and the effect through water pump is continual to be pumped to Become hot water in water-side heat, after heating of absorbing heat in water-side heat to come out, then indoor end is sent to by air-conditioner water outlet pipe In end, to meet the heating needs of interior.

Now fresh air processor is closed, and motor-driven valve is closed, and humidifier valve is closed, and unit only externally provides idle call Hot water, does not provide fresh air, and unit only realizes heat-production functions.

Further, the control method of above-mentioned capillary radiation special air conditioner heat pump fresh air group, including heat+fresh air changes Gas pattern, it is described heat+control process of fresh-air ventilation pattern is as follows:

Unit opens fresh air processor on the basis of heating mode, and motor-driven valve is opened, the hot water come out from water-side heat, one Part enters in fresh air processor by motor-driven valve, heat temperature raising is carried out to fresh air, this part water with new air heat-exchange after cooling Pump entrance is returned to together with air-conditioning backwater again, and it is indoor by air feed mouthful feeding after the heated heating of fresh air, and unit is providing empty While calling hot water, to the fresh air of the heated heating of indoor offer, unit, which is realized, heats+the function of fresh-air ventilation.

It is another to improve, the control method of above-mentioned capillary radiation special air conditioner heat pump fresh air group, including heat+fresh air Humidifying mode, it is described heat+control process of fresh air humidifying mode is as follows:

Unit opens fresh air processor on the basis of heating mode, and motor-driven valve is opened, the hot water come out from water-side heat, one Part enters in fresh air processor by motor-driven valve, heat temperature raising is carried out to fresh air, this part water with new air heat-exchange after cooling Pump entrance is returned to together with air-conditioning backwater again, humidifier valve is opened, and the humidifier in fresh air processor is humidified to fresh air, and The heated heating of fresh air is indoor by air feed mouthful feeding humidify again after, and unit is while idle call hot water is provided, to indoor offer It is heated heating humidification fresh air, unit realize heat+fresh air humidification function.

A kind of capillary radiation special air conditioner heat pump fresh air group of invention is that one kind should for capillary radiation air-conditioning system The integrated unit customized with occasion, Cooling and Heat Source needed for air conditioning terminal is provided using a set of unit and treated new simultaneously Wind, meets the demand of room conditioning demand and fresh-air ventilation amount.The technical scheme provided according to the present invention, capillary radiation is special Frequency conversion air source heat pump Fresh air handling units provide Cooling and Heat Source and resh air requirement simultaneously in a set of unit, realize air conditioner cold-heat source system The accurate control of the coordinating and unifying, intelligence with fresh air treatment system.

A kind of capillary radiation special air conditioner heat pump fresh air group and its control method of the present invention has advantages below:

1st, it is energy-efficient:Using DC frequency-changeable compressor, DC frequency-changing blower fan enters for capillary radiation using required water temperature Row optimization design, improving unit, Energy Efficiency Ratio and comprehensive part meet Energy Efficiency Ratio at full capacity;

2nd, intelligent integrated:Cooling and Heat Source and resh air requirement are provided simultaneously;Realize the association of air conditioner cold-heat source system and fresh air treatment system The accurate control of unified and intelligence is adjusted, an equipment is that refrigeration, refrigeration+fresh-air ventilation, refrigeration+fresh air dehumidification, fresh air can be achieved to change Gas, fresh-air ventilation+humidify, heat, heating+fresh-air ventilation, heat the+function such as fresh-air ventilation+humidification;

3rd, it is reliable and stable:Integrated morphology is designed, and simplifies project installation, and Cooling and Heat Source and Fresh air handing unify centralized Control, operation dimension Shield is simple, and unit operation is reliable and stable.

Brief description of the drawings

Fig. 1 is the capillary radiation system Fresh air handing unit schematic diagram of the present invention;

Fig. 2 is the capillary radiation system Fresh air handing unit cooling flow figure of the present invention;

Fig. 3 is capillary radiation system Fresh air handing unit refrigeration+fresh-air ventilation flow chart of the present invention;

Fig. 4 is capillary radiation system Fresh air handing unit refrigeration+fresh air dehumidification flow chart of the present invention;

Fig. 5 is the capillary radiation system Fresh air handing unit fresh-air ventilation flow chart of the present invention;

Fig. 6 is capillary radiation system Fresh air handing unit fresh-air ventilation+humidification flow chart of the present invention;

The capillary radiation system Fresh air handing unit that Fig. 7 is the present invention heats flow chart;

Fig. 8, which is that capillary radiation system Fresh air handing unit of the invention is logical, heats+fresh-air ventilation flow chart;

The capillary radiation system Fresh air handing unit that Fig. 9 is the present invention heats+fresh air humidification flow chart.

Embodiment

Below in conjunction with the accompanying drawings, to a kind of capillary radiation special air conditioner heat pump fresh air group proposed by the present invention and its control Method is described in detail.In the description of the invention, it is to be understood that term " left side ", " right side ", " top ", " under The orientation or position relationship of the instruction such as portion ", " bottom " are, based on orientation shown in the drawings or position relationship, to be for only for ease of and retouch State the present invention and simplify description, rather than indicate or imply that the device or element of meaning there must be specific orientation, with specific Azimuth configuration and operation, " first ", " second " etc. be not offered as the significance level of parts, therefore it is not intended that to this hair Bright limitation.The specific size used in the present embodiment technical scheme solely for the purpose of illustration, is not intended to limit the guarantor of the present invention Protect scope.

As shown in figure 1, a kind of frequency conversion air-source capillary radiation source pump, including compressor 1, the exhaust of compressor 1 The D interface of mouth connection four-way valve 2, the C interface of four-way valve 2 connects the air pipe inlet of finned heat exchanger 3, the liquid of finned heat exchanger 3 Pipe outlet is connected with filter 4, electric expansion valve 5, reservoir 6, electric expansion valve 7, stop valve 8 successively, passes through indoor set room Outer machine connecting tube, is connected with indoor set, sequentially passes through filter 9, water-side heat 10 and comes out, is connected by indoor set outdoor unit Pipe, then be connected with outdoor unit, it is connected successively with stop valve 11, four-way valve 2, qi leel 12, is eventually connected to the return-air of compressor 1 Mouthful, constitute the refrigerant circulation loop of a closing.

Expansion drum is connected on the inlet tube of 13 water pumps, the water side ports of the outlet connection water-side heat 10 of 13 water pumps, The water side another port of water-side heat 10 is connected on air-conditioning feed pipe, and air-conditioning feed pipe connects a branched pipe, branch simultaneously Pipe sequentially passes through stop valve, motor-driven valve 14, is connected with the water inlet pipe of fresh air processor 15, and the outlet pipe of fresh air processor 15 is through cutting The entrance of 13 water pumps is connected to after only merging after valve with air-conditioning return pipe, after the external water pipeline of air-conditioning side is connected, is constituted The water-flow circuit of closing.

Humidification the humidified valve 16 of filling pipe after with fresh air processor 15 groups be connected.

Fresh air is connected through fresh wind port with fresh air processor 15, and fresh air processor 15 is connected through air feed mouthful with indoor air feed.

As shown in Fig. 2 a kind of control method of capillary radiation special air conditioner heat pump fresh air group, including refrigeration mode, The control process of the refrigeration mode is as follows:

C interface of the high-temperature high-pressure refrigerant gas through four-way valve 2 that compressor 1 is discharged, into finned heat exchanger 3, in fin After condensation heat release is to air in heat exchanger 3, become the refrigerant liquid of middle temperature high pressure, the refrigerant liquid of middle temperature high pressure is from fin After heat exchanger 3 comes out, into reservoir 6 after filter 4, electric expansion valve 5, the pure liquid refrigerant that reservoir 6 comes out, After the throttling of electric expansion valve 7, become the refrigerant air-liquid mixture of low-temp low-pressure, machine got in after stop valve 8, Machine enters water-side heat 10 by filter 9 indoors, and evaporation is absorbed after the heat of water in water-side heat 10, is all become Into the refrigerant gas of low-temp low-pressure, the refrigerant gas of the low-temp low-pressure come out from water-side heat 10 passes through connecting tube and cut Only enter outdoor unit after valve 11, by entering after four-way valve 2, and diverted control in 12 gas-liquid separators, in 12 gas-liquid separations Separated in device after the liquefied refrigerant liquid of small part, row is compressed again into the suction end of compressor 1, and by compressor 1 Go out, form continual kind of refrigeration cycle.

Outside air conditioner water returns to 13 pump entrances through air-conditioning water return outlet, continual by pump in the effect of 13 water pumps In water inlet side heat exchanger 10, become cold water after heat release cooling in water-side heat 10 and come out, then be sent to by air-conditioner water outlet pipe In indoor end, to meet the refrigeration demand of interior.

Now fresh air processor 15 is closed, and motor-driven valve 14 is closed, and humidifier valve 16 is closed, and unit is only externally provided Idle call cold water, does not provide fresh air, and unit only realizes refrigerating function.

As shown in figure 3, the control method of above-mentioned capillary radiation special air conditioner heat pump fresh air group, in addition to refrigeration+new Wind ventilatory pattern, the control process of the refrigeration+fresh-air ventilation pattern is as follows:

Unit opens fresh air processor 15 on the basis of refrigeration mode, and motor-driven valve 14 is closed, and humidifier valve 16 is closed, and unit is being carried While for idle call cold water, to indoor offer without dehumidifying or the fresh air humidified, unit realizes the work(of refrigeration+fresh-air ventilation Energy.

As shown in figure 4, the control method of above-mentioned capillary radiation special air conditioner heat pump fresh air group, in addition to refrigeration+new Wind dehumidification mode, the control process of the refrigeration+fresh air dehumidification pattern is as follows:

Unit opens fresh air processor 15, motor-driven valve 14 opens on the basis of refrigeration mode, from water-side heat 10 come out it is cold Water a, part enters in fresh air processor 15 by motor-driven valve 14, cool-down dehumidification is carried out to fresh air, this part water with fresh air through changing Return to pump entrance after heat heating together with air-conditioning backwater again, and fresh air is indoor by air feed mouthful feeding after dehumidifying and cooling, unit While idle call cold water is provided, to fresh air of the indoor offer through dehumidifying, unit realizes the function of refrigeration+fresh air dehumidification.

As shown in figure 5, the control method of above-mentioned capillary radiation special air conditioner heat pump fresh air group, in addition to fresh-air ventilation Pattern, the control process of the fresh-air ventilation pattern is as follows:

Compressor of outdoor unit 1 does not start, and the water pump of indoor set 13 does not start, and only starts fresh air processor 15, and unit is to indoor offer Without the fresh air for dehumidifying or humidifying, unit realizes the function of fresh-air ventilation.

As shown in fig. 6, the control method of above-mentioned capillary radiation special air conditioner heat pump fresh air group, in addition to fresh-air ventilation + humidifying mode, the control process of the fresh-air ventilation+humidifying mode is as follows:

Unit is on the basis of fresh-air ventilation pattern, and the humidifier opened in humidifier valve 16, fresh air processor 15 is added to fresh air Wet and the fresh air after humidification is indoor through air feed mouthful feeding, unit realizes the function of fresh-air ventilation+humidification.

As shown in fig. 7, the control method of above-mentioned capillary radiation special air conditioner heat pump fresh air group, in addition to heat mould Formula, the control process of the heating mode is as follows:

E interface of the high-temperature high-pressure refrigerant gas through four-way valve 2 that compressor 1 is discharged enters stop valve 11, and enters through connecting tube Enter indoor set, machine enters water-side heat 10 indoors, after condensation heat release is to air conditioner water in water-side heat 10, become middle temperature The refrigerant liquid of high pressure, the refrigerant liquid of middle temperature high pressure is after water-side heat 10 comes out, by filter 9 and connection Pipe, into outdoor unit, enters reservoir 6 in outdoor unit after stop valve 8, electric expansion valve 7, after arrive electric expansion valve 5 again, warp Become the refrigerant air-liquid mixture of low-temp low-pressure after the expansion throttling for crossing electric expansion valve 5, and into wing after filter 4 In piece heat exchanger 3, in finned heat exchanger 3 after the heat of evaporation absorption air, all become the refrigerant gas of low-temp low-pressure, The refrigerant gas of the low-temp low-pressure come out from finned heat exchanger 3, which enters, enters 12 gas-liquids point after four-way valve 2, and diverted control From in device, being separated in 12 gas-liquid separators after the liquefied refrigerant liquid of small part, into the suction end of compressor 1, and Discharge is compressed by compressor 1 again, formation is continual to heat circulation.

Outside air conditioner water is connected to 13 pump entrances through air-conditioning return pipe, the effect through 13 water pumps, continual quilt It is pumped into water-side heat 10, becoming hot water after heat absorption heating in water-side heat 10 comes out, then is sent by air-conditioner water outlet pipe Into indoor end, to meet the heating needs of interior.

Now fresh air processor 15 is closed, and motor-driven valve 14 is closed, and humidifier valve 16 is closed, and unit is only externally provided Idle call hot water, does not provide fresh air, and unit only realizes heat-production functions.

As shown in figure 8, the control method of above-mentioned capillary radiation special air conditioner heat pump fresh air group, including heat+fresh air Ventilatory pattern, it is described heat+control process of fresh-air ventilation pattern is as follows:

Unit opens fresh air processor 15 on the basis of heating mode, and motor-driven valve 14 is opened, the heat come out from water-side heat 10 Water a, part enters in fresh air processor 15 by motor-driven valve 14, heat temperature raising is carried out to fresh air, this part water with fresh air through changing Heat drop Wen Houzai returns to pump entrance together with air-conditioning backwater, and by air feed mouthful feeding interior, unit after the heated heating of fresh air While idle call hot water is provided, to the fresh air of the heated heating of indoor offer, unit, which is realized, heats+the work(of fresh-air ventilation Energy.

As shown in figure 9, the control method of above-mentioned capillary radiation special air conditioner heat pump fresh air group, including heat+fresh air Humidifying mode, it is described heat+control process of fresh air humidifying mode is as follows:

Unit opens fresh air processor 15 on the basis of heating mode, and motor-driven valve 14 is opened, the heat come out from water-side heat 10 Water a, part enters in fresh air processor 15 by motor-driven valve 14, heat temperature raising is carried out to fresh air, this part water with fresh air through changing Heat drop Wen Houzai returns to pump entrance together with air-conditioning backwater, and humidifier valve 16 is opened, and the humidifier in fresh air processor 15 is to new Wind is humidified, and indoor by air feed mouthful feeding after the heated heating humidification of fresh air, and unit is providing the same of idle call hot water When, to indoor offer it is heated heating humidification fresh air, unit realize heat+fresh air humidification function.

Based on description of the preferred embodiment of the present invention, it should be apparent that the sheet being defined by the appended claims Invention is not limited only to the specific detail that is illustrated in specification above, without departing from present inventive concept or scope to this hair Bright many obviously change equally possible reaches the purpose of the present invention.

Claims (9)

1. a kind of capillary radiation special air conditioner heat pump fresh air group, it is characterised in that including compressor, the row of the compressor Gas port connects the D interface of four-way valve, and the C interface of four-way valve connects the air pipe inlet of finned heat exchanger, the liquid pipe of finned heat exchanger Outlet is connected with filter, electric expansion valve, reservoir, electric expansion valve, stop valve successively, the liquid pipe of the finned heat exchanger It is connected by indoor set outdoor unit connecting tube with indoor set, the liquid pipe of the finned heat exchanger sequentially passes through filter, water side and changed Hot device is come out, and the liquid pipe of the finned heat exchanger is connected by indoor set outdoor unit connecting tube, then with outdoor unit, and the fin is changed The liquid pipe of hot device is connected with stop valve, four-way valve, qi leel successively, is eventually connected to the gas returning port of compressor, constitutes a closing Refrigerant circulation loop;
Expansion drum is connected on the inlet tube of water pump, the water side ports of the outlet connection water-side heat of water pump, water-side heat Water side another port be connected on air-conditioning feed pipe, air-conditioning feed pipe simultaneously connect a branched pipe, branched pipe sequentially pass through cut Only valve, motor-driven valve, are connected with the water inlet pipe of fresh air processor, the outlet pipe of fresh air processor after stop valve with air-conditioning return pipe The entrance of water pump is connected to after merging, after the external water pipeline of air-conditioning side is connected, the water-flow circuit of closing is constituted;
It is connected after the humidification humidified valve of filling pipe with Fresh air handing unit;
Fresh air is connected through fresh wind port with fresh air processor, and fresh air processor is connected through air feed mouthful with indoor air feed.
2. a kind of control method of capillary radiation special air conditioner heat pump fresh air group, it is characterised in that including refrigeration mode, institute The control process for stating refrigeration mode is as follows:
C interface of the high-temperature high-pressure refrigerant gas through four-way valve of compressor discharge, into finned heat exchanger, in fin heat exchange After condensation heat release is to air in device, become the refrigerant liquid of middle temperature high pressure, the refrigerant liquid of middle temperature high pressure exchanges heat from fin After device comes out, reservoir, the pure liquid refrigerant that reservoir comes out, by electronics are entered after filter, electric expansion valve After expansion valve throttling, become the refrigerant air-liquid mixture of low-temp low-pressure, machine is got in after stop valve, machine is passed through indoors Cross filter and enter water-side heat, evaporation is absorbed after the heat of water in water-side heat, all becomes the system of low-temp low-pressure Refrigerant gas, the refrigerant gas of the low-temp low-pressure come out from water-side heat enters outdoor after connecting tube and stop valve Machine, by entering after four-way valve, and diverted control in gas-liquid separator, separates small part liquefied in gas-liquid separator After refrigerant liquid, discharge is compressed again into the suction end of compressor, and by compressor, is formed continual refrigeration and is followed Ring;
Outside air conditioner water returns to pump entrance through air-conditioning water return outlet, and in the effect of water pump, the continual water side that is pumped to is changed In hot device, become cold water after heat release cooling in water-side heat and come out, then be sent to by air-conditioner water outlet pipe in indoor end, with Meet indoor refrigeration demand;
Now fresh air processor is closed, and motor-driven valve is closed, and humidifier valve is closed, and unit only externally provides air conditioning Water, does not provide fresh air, and unit only realizes refrigerating function.
3. the control method of capillary radiation special air conditioner heat pump fresh air group according to claim 2, it is characterised in that Also include refrigeration+fresh-air ventilation pattern, the control process of the refrigeration+fresh-air ventilation pattern is as follows:
Unit opens fresh air processor on the basis of refrigeration mode, and motor-driven valve is closed, and humidifier valve is closed, and unit is providing air-conditioning While using cold water, to indoor offer without dehumidifying or the fresh air humidified, unit realizes the function of refrigeration+fresh-air ventilation.
4. the control method of capillary radiation special air conditioner heat pump fresh air group according to claim 2, it is characterised in that Also include refrigeration+fresh air dehumidification pattern, the control process of the refrigeration+fresh air dehumidification pattern is as follows:
Unit opens fresh air processor on the basis of refrigeration mode, and motor-driven valve is opened, the cold water come out from water-side heat, one Part enters in fresh air processor by motor-driven valve, cool-down dehumidification is carried out to fresh air, this part water with new air heat-exchange after heating up Pump entrance is returned to together with air-conditioning backwater again, and fresh air is indoor by air feed mouthful feeding after dehumidifying and cooling, unit is providing empty While calling cold water, to fresh air of the indoor offer through dehumidifying, unit realizes the function of refrigeration+fresh air dehumidification.
5. the control method of capillary radiation special air conditioner heat pump fresh air group according to claim 2, it is characterised in that Also include fresh-air ventilation pattern, the control process of the fresh-air ventilation pattern is as follows:
Compressor of outdoor unit does not start, and indoor set water pump does not start, only start fresh air processor, unit to indoor offer without except Wet or humidification fresh air, unit realizes the function of fresh-air ventilation.
6. the control method of capillary radiation special air conditioner heat pump fresh air group according to claim 5, it is characterised in that Also include fresh-air ventilation+humidifying mode, the control process of the fresh-air ventilation+humidifying mode is as follows:
Unit is on the basis of fresh-air ventilation pattern, and the humidifier opened in humidifier valve, fresh air processor is humidified to fresh air, and Fresh air after humidification is indoor through air feed mouthful feeding, and unit realizes the function of fresh-air ventilation+humidification.
7. the control method of capillary radiation special air conditioner heat pump fresh air group according to claim 2, it is characterised in that Also include heating mode, the control process of the heating mode is as follows:
E interface of the high-temperature high-pressure refrigerant gas through four-way valve of compressor discharge enters stop valve, and enters to enter the room through connecting tube Interior machine, indoors machine enter water-side heat, in water-side heat condense heat release to air conditioner water after, become the system of middle temperature high pressure Cryogen liquid, the refrigerant liquid of middle temperature high pressure is after water-side heat comes out, by filter and connecting tube, into outdoor Machine, arrives electric expansion valve, by the swollen of electric expansion valve again after outdoor unit enters reservoir after stop valve, electric expansion valve Become the refrigerant air-liquid mixture of low-temp low-pressure after swollen throttling, and enter after filter in finned heat exchanger, in fin In heat exchanger after the heat of evaporation absorption air, all become the refrigerant gas of low-temp low-pressure, come out from finned heat exchanger The refrigerant gas of low-temp low-pressure enters after four-way valve, and diverted control and entered in gas-liquid separator, in gas-liquid separator Separate after the liquefied refrigerant liquid of small part, discharge is compressed again into the suction end of compressor, and by compressor, formed It is continual to heat circulation;
Outside air conditioner water is connected to pump entrance through air-conditioning return pipe, and the effect through water pump is continual to be pumped to water side Become hot water in heat exchanger, after heating of absorbing heat in water-side heat to come out, then be sent to by air-conditioner water outlet pipe in indoor end, To meet indoor heating needs;
Now fresh air processor is closed, and motor-driven valve is closed, and humidifier valve is closed, and unit only externally provides idle call heat Water, does not provide fresh air, and unit only realizes heat-production functions.
8. the control method of capillary radiation special air conditioner heat pump fresh air group according to claim 7, it is characterised in that Also include heating+fresh-air ventilation pattern, it is described heat+control process of fresh-air ventilation pattern is as follows:
Unit opens fresh air processor on the basis of heating mode, and motor-driven valve is opened, the hot water come out from water-side heat, one Part enters in fresh air processor by motor-driven valve, heat temperature raising is carried out to fresh air, this part water with new air heat-exchange after cooling Pump entrance is returned to together with air-conditioning backwater again, and it is indoor by air feed mouthful feeding after the heated heating of fresh air, and unit is providing empty While calling hot water, to the fresh air of the heated heating of indoor offer, unit, which is realized, heats+the function of fresh-air ventilation.
9. the control method of capillary radiation special air conditioner heat pump fresh air group according to claim 7, it is characterised in that Also include heating+fresh air humidifying mode, it is described heat+control process of fresh air humidifying mode is as follows:
Unit opens fresh air processor on the basis of heating mode, and motor-driven valve is opened, the hot water come out from water-side heat, one Part enters in fresh air processor by motor-driven valve, heat temperature raising is carried out to fresh air, this part water with new air heat-exchange after cooling Pump entrance is returned to together with air-conditioning backwater again, humidifier valve is opened, and the humidifier in fresh air processor is humidified to fresh air, and The heated heating of fresh air is indoor by air feed mouthful feeding humidify again after, and unit is while idle call hot water is provided, to indoor offer It is heated heating humidification fresh air, unit realize heat+fresh air humidification function.
CN201710516369.1A 2017-06-29 2017-06-29 A kind of capillary radiation special air conditioner heat pump fresh air group and its control method CN107270447A (en)

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