CN208536193U - Connected distributed cold and heat pumps cold/hot water air-conditioner - Google Patents

Abstract

The utility model discloses connected distributed cold and heats to pump cold/hot water air-conditioner, indoor fan unit is mounted on including multiple, the input terminal and output end of multiple fan units pass through connecting tube and are connected with multiple distributed condensers, the input terminal output end of each distributed condenser is respectively connected with branch pipe, it is connect on branch pipe with distributed condenser output end and electric expansion valve is installed, variable frequency pump is installed, two branch pipes are connected with cooling and warming mechanism far from one end of distributed condenser in the connecting tube connecting with fan unit input terminal.The utility model is attached by the way that multiple cooling and warming mechanisms and branch pipe is arranged with multiple distributed condensers and fan unit, starting cooling and warming mechanism may be selected when in use, it avoids and opens entire unit in tradition, reduce energy consumption, save the energy, when some cooling and warming mechanism damage simultaneously, the stopping of cooling and warming work not will cause, it is convenient and practical.

Description

Connected distributed cold and heat pumps cold/hot water air-conditioner

Technical field

The utility model relates to air-cooled heat pump cold-hot water air-conditioning technical fields more particularly to connected distributed cold and heat to pump Cold/hot water air-conditioner.

Background technique

Air-cooled heat pump is a kind of air-conditioner set that cooling by wind is different from air conditioner industry.Except having wind-cooled cold-water Unit is produced outside the function of cold water, and Air-Cooled Heat Pump Unit can also be switched to heating condition hot water preparing, the original substantially of air-cooled heat pump Reason is recycled based on compression-type refrigeration, using refrigerant as carrier, by the forced heat-exchanging of blower, from atmosphere draw heat or Person discharges heat, to reach the demand of refrigeration or heating.

Traditional Air-Cooled Heat Pump Unit cooling and warming all carries out in a unified host, then by chilled water pipeline, will Chilled water is transferred to each room of Indoor environment, realizes the full circulation operation of monolithic architecture object and air-cooled heat pump.This Under operational mode, first is that can not individually be supplied according to the cold and hot amount demand in specific floor and room, even if a building In only one room refrigeration for needing to provide refrigeration, but once opening this room be also required to entire unit and carry out whole fortune Row, such energy consumption are just very big；Second is that once the damage of chilled water pump, will affect the refrigerated medium of whole solitary building all areas It is bigger to influence face for heat.

Utility model content

Purpose of the utility model is to solve the problems in background techniques, and the connected distributed cold and heat proposed Pump cold/hot water air-conditioner.

To achieve the goals above, the utility model adopts the technical scheme that

Connected distributed cold and heat pumps cold/hot water air-conditioner, including it is multiple be mounted on indoor fan unit, it is multiple described The input terminal and output end of fan unit pass through connecting tube and are connected with multiple distributed condensers, each distributed condenser Input terminal output end be respectively connected with branch pipe, electronic expansion is installed on the branch pipe connecting with distributed condenser output end Valve is equipped with variable frequency pump in the connecting tube connecting with fan unit input terminal, and two branch pipes are far from distributed cold One end of condenser is connected with cooling and warming mechanism.

Preferably, the cooling and warming mechanism includes multiple evaporators, and each evaporator input terminal passes through the first bronze medal Pipe is connected with compressor, and four-way valve is mounted on each first copper pipe, and the output end of each compressor is all connected with There is gas-liquid separator, the output end of each evaporator passes through the second copper pipe and is connected with filter and fluid reservoir in turn, often A one end of the gas-liquid separator far from compressor is connect by multiple third copper pipes with filter and fluid reservoir, with distribution Formula condenser input terminal connection the branch pipe connect with third copper pipe, connect with distributed condenser output end described in divide Manifold is connect with the second copper pipe.

Preferably, cooling fan is mounted on each evaporator.

Preferably, check valve is mounted on each third copper pipe.

Preferably, the quantity of the cooling and warming mechanism is multiple.

Preferably, it is equipped on the third copper pipe connected between the output end of fluid reservoir and gas-liquid separator input terminal Expansion valve, the four-way valve are connect by the 4th copper pipe with expansion valve.

Compared with prior art, the advantages of this connected distributed cold and heat pump cold/hot water air-conditioner, is:

(1) multiple cooling and warming mechanisms, branch pipe, distributed condenser and fan unit, the multiple cooling and warmings of copper pipe are set Mechanism is attached with branch pipe, distributed condenser and fan unit, carries out the room quantity of cooling and warming, starting as needed The cooling and warming mechanism for adapting to quantity is not required to open traditional entire unit, reduces energy consumption, saves the energy, while when a certain The damage of cooling and warming mechanism, another cooling and warming mechanism work, and not will cause the influence of indoor cooling and warming work, more Add practical；

(2) compressor, evaporator, four-way valve, distributed condenser and fan unit are set, and compressor keeps refrigerant compression supreme Warm high pressure, then flow into distributed and fan unit and carry out cold and hot exchange, realize refrigeration or heating；

(3) check valve and four-way valve are set, by the unlatching or opening and closing of four-way valve, the refrigerant of high temperature and pressure is made to flow into evaporation Device does not flow into, to carry out distributing or not distributing for heat, facilitates the progress of subsequent cold and hot exchange, is controlled by check valve cold The flow direction of matchmaker；

In conclusion the utility model is by being arranged multiple cooling and warming mechanisms and branch pipe and multiple distributed condensers It is attached with fan unit, starting cooling and warming mechanism may be selected when in use, avoid and open entire unit in tradition, reduce Energy consumption saves the energy, while when the damage of some cooling and warming mechanism, not will cause the stopping of cooling and warming work, convenient It is practical.

Detailed description of the invention

Fig. 1 be the utility model proposes connected distributed cold and heat pump cold/hot water air-conditioner structural schematic diagram；

Fig. 2 be the utility model proposes connected distributed cold and heat pump cold/hot water air-conditioner part A amplification structure Schematic diagram；

Fig. 3 be the utility model proposes connected distributed cold and heat pump cold/hot water air-conditioner part B amplification structure Schematic diagram.

In figure: 1 branch pipe, 2 evaporators, 3 cooling fans, 4 check valves, 5 filters, 6 expansion valves, 7 fluid reservoirs, 8 blowers Disk, 9 variable frequency pumps, 10 distributed condensers, 11 electric expansion valves, 12 gas-liquid separators, 13 compressors, 14 four-way valves.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.

Referring to Fig.1-3, connected distributed cold and heat pumps cold/hot water air-conditioner, including multiple is mounted on indoor fan unit 8, the input terminal and output end of multiple fan units 8 pass through connecting tube and are connected with multiple distributed condensers 10, distribution condensation Cold water or hot water stream in device 10 enter in fan unit 8, by cold water or hot water with it is indoor carry out is cold and hot exchanges, to carry out interior Refrigeration or heating.

The input terminal output end of each distribution condenser 10 is respectively connected with branch pipe 1, exports with distributed condenser 10 Hold and electric expansion valve 11 be installed on the branch pipe 1 of connection, electric expansion valve 11 by flow into distributed condenser 10 cold water or Hot water pumps out, and is equipped with variable frequency pump 9 in the connecting tube connecting with 8 input terminal of fan unit, and variable frequency pump 9 is by distributed condenser Hot water in 10, which pumps out, to be flowed into again in fan unit 8, facilitates carry out heat exchange, two branch pipes 1 are far from distributed condenser 10 One end is connected with cooling and warming mechanism, the quantity of cooling and warming mechanism be it is multiple, multiple refrigerating and heating machines are connected by branch pipe 1 Structure is not required to open traditional entire unit, reduces energy consumption, saves the energy, while when the damage of a certain cooling and warming mechanism, another A cooling and warming mechanism works, and not will cause the influence of indoor cooling and warming work.

Cooling and warming mechanism includes multiple evaporators 2, and cooling fan 3, each evaporator are mounted on each evaporator 2 2 input terminals are connected with compressor 13 by the first copper pipe, and four-way valve 14 is mounted on each first copper pipe, and compressor 13 compresses At the refrigerant of high temperature and pressure, by four-way valve 14 open or close realize refrigerant flow into evaporator 2 carry out heat dissipation formed it is cold Water does not flow into evaporator 2 and forms hot water, facilitates and subsequent carries out cold and hot exchange.

The output end of each compressor 13 is respectively connected with gas-liquid separator 12, and the output end of each evaporator 2 passes through Two copper pipes are connected with filter 5 and fluid reservoir 7 in turn, and each one end of gas-liquid separator 12 far from compressor 13 passes through multiple Third copper pipe is connect with filter 5 and fluid reservoir 7, is connected between 12 input terminal of output end and gas-liquid separator of fluid reservoir 7 Expansion valve 6 is installed, four-way valve 14 is connect with expansion valve 6 by the 4th copper pipe, pacified on each third copper pipe on third copper pipe Equipped with check valve 4, the branch pipe 1 connecting with distributed 10 input terminal of condenser is connect with third copper pipe, cold when being freezed Matchmaker, which is entered in evaporator 2 by the refrigerant that compressor 13 is compressed into high temperature and pressure by four-way valve 14, radiates, then successively flows Enter filter 5 and fluid reservoir 7, then pumped out by expansion valve 6 into one of branch pipe 1, flows into multiple distributed condensers In 10, then is pumped out by electric expansion valve 11 and flowed back in third copper pipe by another branch pipe 1, then flow into gas-liquid separator 12 In, it flows back in compressor 13, is back and forth recycled, while when refrigerant flow to distributed condenser 10 after carrying out gas-liquid separation, Cold water in distributed condenser 10 flows into fan unit 8, carries out absorption exchange to indoor heat, carries out indoor refrigeration.

The branch pipe 1 connecting with distributed 10 output end of condenser is connect with the second copper pipe, by with distributed condenser The branch pipe 1 of 10 output ends connection carries out the reflux after the cold and hot exchange of refrigerant, facilitates the progress of subsequent cold and hot exchange, is being made When hot, evaporator 2 is closed, the refrigerant that compressor 13 extrudes flows into multiple distributed condensers 10 by branch pipe 1, distributed cold The refrigerant of cold water and high temperature and pressure in condenser 10 carries out heat exchange, forms high-temperature-hot-water, by variable frequency pump 9 by high-temperature-hot-water It is pumped into fan unit 8, carries out heat exchange with indoor colder cold air, to form indoor heating operations, refrigerant has been exchanged It is pumped out at rear by electric expansion valve 11.

The air conditioner course of work: when being freezed, refrigerant passes through by the refrigerant that compressor 13 is compressed into high temperature and pressure Four-way valve 14, which enters in evaporator 2, to radiate, then successively flows into filter 5 and fluid reservoir 7, then by expansion valve 6 pump out to In one of branch pipe 1, flow into multiple distributed condensers 10, then pumped out by electric expansion valve 11 through another point Manifold 1 flows back in third copper pipe, then flows into gas-liquid separator 12, carry out gas-liquid separation after flow back in compressor 13, back and forth into Row circulation, while when refrigerant flow to distributed condenser 10, the cold water in distributed condenser 10 flows into fan unit 8, right Indoor heat carries out absorption exchange, carries out indoor refrigeration；When being heated, evaporator 2 is closed, what compressor 13 extruded Refrigerant flows into multiple distributed condensers 10 by branch pipe 1, the refrigerant of cold water and high temperature and pressure in distributed condenser 10 Heat exchange is carried out, high-temperature-hot-water is formed, is entered high temperature hot water pump in fan unit 8 by variable frequency pump 9, with indoor colder cold sky Gas carries out heat exchange, to form indoor heating operations, is pumped out after the completion of refrigerant exchange by electric expansion valve 11.

The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model Within enclosing.

Claims (6)

1. connected distributed cold and heat pump cold/hot water air-conditioner, including it is multiple be mounted on indoor fan unit (8), feature exists In the input terminal and output end of multiple fan units (8) pass through connecting tube and be connected with multiple distributed condensers (10), often The input terminal output end of a distributed condenser (10) is respectively connected with branch pipe (1), exports with distributed condenser (10) It holds and electric expansion valve (11) is installed on the branch pipe (1) of connection, pacify in the connecting tube being connect with fan unit (8) input terminal Equipped with variable frequency pump (9), two branch pipes (1) are connected with refrigerating and heating machine far from one end of distributed condenser (10) Structure.

2. connected distributed cold and heat according to claim 1 pumps cold/hot water air-conditioner, which is characterized in that the refrigeration Heating mechanism includes multiple evaporators (2), and each evaporator (2) input terminal is connected with compressor by the first copper pipe (13), it is mounted on four-way valve (14) on each first copper pipe, the output end of each compressor (13) is respectively connected with Gas-liquid separator (12), the output end of each evaporator (2) pass through the second copper pipe and are connected with filter (5) and storage in turn Flow container (7), each gas-liquid separator (12) pass through multiple third copper pipes and filter far from the one end of compressor (13) (5) it is connect with fluid reservoir (7) connection, the branch pipe (1) being connect with distributed condenser (10) input terminal with third copper pipe, The branch pipe (1) connecting with distributed condenser (10) output end is connect with the second copper pipe.

3. connected distributed cold and heat according to claim 2 pumps cold/hot water air-conditioner, which is characterized in that each described Cooling fan (3) are mounted on evaporator (2).

4. connected distributed cold and heat according to claim 2 pumps cold/hot water air-conditioner, which is characterized in that each described Check valve (4) are mounted on third copper pipe.

5. connected distributed cold and heat according to claim 1 pumps cold/hot water air-conditioner, which is characterized in that the refrigeration It is multiple for heating the quantity of mechanism.

6. connected distributed cold and heat according to claim 2 pumps cold/hot water air-conditioner, which is characterized in that fluid reservoir (7) it is equipped with expansion valve (6) on the third copper pipe connected between output end and gas-liquid separator (12) input terminal, it is described Four-way valve (14) is connect by the 4th copper pipe with expansion valve (6).