CN106288080A - Air injection enthalpy-increasing air conditioning system - Google Patents
Air injection enthalpy-increasing air conditioning system Download PDFInfo
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- CN106288080A CN106288080A CN201610697992.7A CN201610697992A CN106288080A CN 106288080 A CN106288080 A CN 106288080A CN 201610697992 A CN201610697992 A CN 201610697992A CN 106288080 A CN106288080 A CN 106288080A
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- air
- increasing
- enthalpy
- pipeline
- jet system
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-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
- F24F5/0007—Air-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 cooling apparatus specially adapted for use in air-conditioning
- F24F5/001—Compression cycle type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B13/00—Compression machines, plants or systems, with reversible cycle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/40—Fluid line arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Other Air-Conditioning Systems (AREA)
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
The present invention proposes a kind of air injection enthalpy-increasing air conditioning system, including indoor apparatus of air conditioner, the air-conditioner outdoor unit that at least two is in parallel, main refrigerant pipeline, main refrigerant pipeline loop, air jet system and increasing enthalpy pipeline, each air-conditioner outdoor unit includes air injection enthalpy-increasing compressor, off-premises station heating element, connects air injection enthalpy-increasing compressor the increasing enthalpy branch road around off-premises station heating element；The one end increasing enthalpy pipeline connects air jet system, and the other end connects each air-conditioner outdoor unit；Air jet system is arranged at the arbitrary node of main refrigerant pipeline, enters coolant absorption air jet system and the heat of off-premises station heating element increasing enthalpy pipeline, flashes to middle pressure gaseous coolant, flow into the air injection enthalpy-increasing compressor of each air-conditioner outdoor unit.The present invention reduces the temperature of off-premises station heating element while realizing air injection enthalpy-increasing, and without setting up expansion valve and respective line, air jet system is flexible for installation, greatly reduce the cost of system, it is to avoid the wasting of resources.
Description
Technical field
The present invention relates to steam compression type refrigeration field of air conditioning, particularly relate to a kind of air injection enthalpy-increasing air conditioning system.
Background technology
Along with the power of convertible frequency air-conditioner is increasing, the caloric value of its electronic heating element is also continuously increased, as not in time
Heat radiation, will cause its performance to reduce and even burn.Existing way is that the heat utilizing coolant to absorb electronic heating element generation enters
Row air injection enthalpy-increasing, had both reduced the temperature of electronic heating element, improve again enthalpy and the Energy Efficiency Ratio of air conditioning system, but, when
During multiple stage off-premises station parallel connection, need to be independently arranged multiple expansion valve and corresponding pipeline, add cost.
Summary of the invention
Present invention is primarily targeted at a kind of air injection enthalpy-increasing air conditioning system of offer, it is intended to solve multi-online air-conditioning system
During off-premises station parallel connection, the technical problem of expansion valve and respective line need to be set up.
For achieving the above object, the present invention proposes a kind of air injection enthalpy-increasing air conditioning system, including indoor apparatus of air conditioner, at least two
Air-conditioner outdoor unit in parallel, and connect air-conditioner outdoor unit and the main refrigerant pipeline of indoor apparatus of air conditioner and main refrigerant pipeline loop,
Each air-conditioner outdoor unit includes air injection enthalpy-increasing compressor and off-premises station heating element；
Described air injection enthalpy-increasing air conditioning system also includes air jet system and increases enthalpy pipeline；
One end of described increasing enthalpy pipeline connects described air jet system, and the other end connects each air-conditioner outdoor unit；
Described air jet system is arranged at the arbitrary node of described main refrigerant pipeline, enters the coolant absorption jet increasing enthalpy pipeline
The heat that device and off-premises station heating element produce, flashes to middle pressure gaseous coolant, flows into the jet of each air-conditioner outdoor unit
Enthalpy-increasing compressor.
Further, each air-conditioner outdoor unit also includes an increasing enthalpy branch road, and this increasing enthalpy branch road connects described air injection enthalpy-increasing pressure
Contracting machine around described off-premises station heating element, described increasing enthalpy branch road connects one end of air injection enthalpy-increasing compressor and is provided with a jet
Electromagnetic valve, controls the opening and closing of described increasing enthalpy branch road.
Further, the main refrigerant pipeline between described air jet system and air-conditioner outdoor unit is provided with air jet system liquid side and enters
Mouth stop valve, the main refrigerant pipeline between described air jet system and indoor apparatus of air conditioner is provided with the cut-off of air jet system liquid side outlet
Valve, the increasing enthalpy pipeline between described air jet system and air-conditioner outdoor unit is provided with air jet system gas side outlet stop valve.
Further, described air jet system includes electronic heating components and parts and throttle part, and described electronic heating element is solid
Due to described increasing enthalpy pipeline, described increasing enthalpy pipeline includes being arranged at described air jet system liquid side-entrance stop valve and air jet system liquid
Arrival end between side outlet stop valve, described throttle part is arranged at the arrival end of described increasing enthalpy pipeline and described electronic heating
Between element.
Further, described air jet system is economizer and throttle part, and described economizer is arranged at described main refrigerant pipe
Road, described throttle part is arranged at described increasing enthalpy pipeline, and described increasing enthalpy pipeline runs through described economizer, and described increasing enthalpy pipeline includes
Arrival end, this arrival end is arranged between described economizer and air jet system liquid side-entrance stop valve, or is arranged at described warp
Between Ji device and air jet system liquid side outlet stop valve, described throttle part is arranged at the arrival end of described increasing enthalpy pipeline with described
Between economizer.
Further, described economizer is plate type heat exchanger or double pipe heat exchanger, and described throttle part is electronic expansion
Valve or heating power expansion valve.
Further, described air injection enthalpy-increasing air conditioning system includes two the first air-conditioner outdoor units in parallel and the second air conditioning chamber
Outer machine；
Described first air-conditioner outdoor unit include being sequentially connected in series formation the first air injection enthalpy-increasing compressor of the first pipeline, the one or four
Logical valve, the first air cooling heat exchanger, the first outdoor throttle part, the first off-premises station liquid side stop valve, be sequentially connected in series formation the first pipe
First gas-liquid separator in loop, road and the first off-premises station gas side stop valve, and it is sequentially connected in series the first of formation the first increasing enthalpy branch road
Solenoid valve, the first off-premises station heating element and the first off-premises station puff prot stop valve；
Described second air-conditioner outdoor unit include being sequentially connected in series formation the second air injection enthalpy-increasing compressor of the second pipeline, the two or four
Logical valve, the second air cooling heat exchanger, the second outdoor throttle part, the second off-premises station liquid side stop valve, be sequentially connected in series formation the second pipe
Second gas-liquid separator in loop, road and the second off-premises station gas side stop valve, and it is sequentially connected in series the second of formation the second increasing enthalpy branch road
Solenoid valve, the second off-premises station heating element and the second off-premises station puff prot stop valve；
Described first pipeline and the second pipeline are connected in described main refrigerant pipeline, described first conduit and the second pipe
Loop, road is connected in described main refrigerant pipeline loop, and described first increasing enthalpy branch road and second increases enthalpy branch circuit parallel connection and is connected to described increasing
Enthalpy pipeline.
Further, described first air cooling heat exchanger and the second air cooling heat exchanger use water cooling heat exchanger to substitute.
Further, described air injection enthalpy-increasing air conditioning system also includes that controller, the first temperature sensor and the second temperature pass
Sensor,
Described first temperature sensor is arranged between electronic heating element or economizer and throttle part；
Described second temperature sensor is arranged at electronic heating element or economizer and air jet system gas side outlet stop valve
Between；
The input of described controller connects described first temperature sensor and the second temperature sensor, outfan connecting joint
Stream unit.
The air injection enthalpy-increasing air conditioning system of the present invention, by main refrigerant pipeline and main refrigerant pipeline loop by indoor apparatus of air conditioner and
The air-conditioner outdoor unit connection that at least two is in parallel, enters coolant absorption air jet system and the off-premises station heating element increasing enthalpy pipeline
The heat produced, flashes to middle pressure gaseous coolant, flows into the middle pressure chamber of air injection enthalpy-increasing compressor, while realizing air injection enthalpy-increasing
Reduce the temperature of off-premises station heating element, and without setting up expansion valve and respective line, air jet system is flexible for installation, big
Reduce greatly the cost of system, it is to avoid the wasting of resources.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to
Other accompanying drawing is obtained according to the structure shown in these accompanying drawings.
Fig. 1 is the structural representation of air injection enthalpy-increasing air conditioning system one embodiment of the present invention；
Fig. 2 is the structural representation of air injection enthalpy-increasing another embodiment of air conditioning system of the present invention；
Fig. 3 is the structural representation of the another embodiment of air injection enthalpy-increasing air conditioning system of the present invention.
Drawing reference numeral illustrates:
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further referring to the drawings.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Base
Embodiment in the present invention, those of ordinary skill in the art obtained under not paying creative work premise all its
His embodiment, broadly falls into the scope of protection of the invention.
It is to be appreciated that directional instruction in the embodiment of the present invention (such as up, down, left, right, before and after ...) is only used
In explaining relative position relation between each parts, motion conditions etc. under a certain particular pose (as shown in drawings), if should
When particular pose changes, then directionality instruction changes the most therewith.
It addition, the description relating to " first ", " second " etc. in the present invention is only used for describing purpose, and it is not intended that refer to
Show or imply its relative importance or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", "
Two " feature can express or implicitly include at least one this feature.It addition, the technical scheme between each embodiment can
To be combined with each other, but must be based on those of ordinary skill in the art are capable of, when the combination of technical scheme occurs
Conflicting will be understood that the combination of this technical scheme does not exists, the most not at the protection model of application claims when maybe cannot realize
Within enclosing.
Referring to figs. 1 through 3, in the present embodiment, this air injection enthalpy-increasing air conditioning system, including indoor apparatus of air conditioner, at least two is also
The air-conditioner outdoor unit of connection, and connect air-conditioner outdoor unit and the main refrigerant pipeline 16 of indoor apparatus of air conditioner and main refrigerant pipeline loop
17, each air-conditioner outdoor unit includes air injection enthalpy-increasing compressor and off-premises station heating element；
Described air injection enthalpy-increasing air conditioning system also includes air jet system 14 and increases enthalpy pipeline 18；
The one end increasing enthalpy pipeline 18 connects air jet system 14, and the other end connects each air-conditioner outdoor unit；
Air jet system 14 is arranged at the arbitrary node of main refrigerant pipeline 16, enters the coolant absorption jet dress increasing enthalpy pipeline 18
Put 14 and off-premises station heating element produce heat, flash to middle pressure gaseous coolant, flow into the jet of each air-conditioner outdoor unit
Enthalpy-increasing compressor.
The air injection enthalpy-increasing air conditioning system of the present embodiment, including outdoor machine system part, indoor set system part and duct portion
Point, outdoor machine system is connected in parallel by least two air-conditioner outdoor unit, each air-conditioner outdoor unit include air injection enthalpy-increasing compressor,
Off-premises station heating element and connection air injection enthalpy-increasing compressor are also around the increasing enthalpy branch road of off-premises station heating element, indoor set
System can be single indoor apparatus of air conditioner can also be multiple indoor apparatus of air conditioner in parallel, pipeline portions includes main refrigerant pipeline 16
With main refrigerant pipeline loop 17；It is connected to main refrigerant pipe after the refrigerant pipeline parallel connection of each air-conditioner outdoor unit in outdoor machine system
On road 16 and main refrigerant pipeline loop 17, the refrigerant pipeline of the indoor apparatus of air conditioner in indoor set system is also connected to main refrigerant pipeline
16 and main refrigerant pipeline loop 17 on, make outdoor machine system and indoor set system be returned by main refrigerant pipeline 16 and main refrigerant pipeline
Road 17 constitutes a complete blood circulation.
The air injection enthalpy-increasing air conditioning system of the present embodiment also includes an air jet system 14 and increases enthalpy pipeline 18, in outdoor machine system
Connect air injection enthalpy-increasing compressor in each air-conditioner outdoor unit and connect after the increasing enthalpy branch circuit parallel connection of off-premises station heating element
To increasing enthalpy pipeline 18, the other end increasing enthalpy pipeline 18 connects air jet system 14, and described air jet system 14 is disposed in the outdoor machine system
And on the main refrigerant pipeline 16 between indoor set system, enter the heat in the coolant absorption air jet system 14 increasing enthalpy pipeline 18,
The increasing enthalpy branch road of each air-conditioner outdoor unit is separately flowed into, through the further heat exchange of off-premises station heating element by increasing enthalpy pipeline 18
After, flow into the middle pressure chamber of the air injection enthalpy-increasing compressor of each air-conditioner outdoor unit, it is achieved air injection enthalpy-increasing, improve the capacity of air conditioning system
And efficiency.
Further, referring to figs. 1 through 3, each air-conditioner outdoor unit also includes an increasing enthalpy branch road, and this increasing enthalpy branch road connects jet
Enthalpy-increasing compressor cincture off-premises station heating element, the one end increasing enthalpy branch road connection air injection enthalpy-increasing compressor is provided with a jet electricity
Magnet valve, controls the opening and closing of described increasing enthalpy branch road.
The air injection enthalpy-increasing air conditioning system of the present embodiment, each air-conditioner outdoor unit also includes an increasing enthalpy branch road, this increasing enthalpy branch road
Connect air injection enthalpy-increasing compressor and around air-conditioner outdoor unit heating element, during multiple air-conditioner outdoor unit parallel connection, each air conditioning chamber
Connect after increasing enthalpy branch circuit parallel connection in outer machine and increase enthalpy pipeline 18.It is provided with a jet on the increasing enthalpy branch road of each air-conditioner outdoor unit
Electromagnetic valve, this solenoid valve is positioned close to one end of air injection enthalpy-increasing compressor, in order to control this unlatching increasing enthalpy branch road
And closedown, in order to adjust the operation quantity of the air-conditioner outdoor unit of off-premises station air conditioning system at any time, in other rooms not using parallel connection
During outer machine, close this increasing enthalpy branch road, to improve the Energy Efficiency Ratio of whole system.Increase enthalpy branch road around the one of off-premises station heating element
End is additionally provided with an off-premises station puff prot stop valve, it is simple to increase the installation of other devices on enthalpy branch road.
Further, referring to figs. 1 through 3, the main refrigerant pipeline 16 between air jet system 14 and air-conditioner outdoor unit is provided with spray
Device of air liquid side-entrance stop valve 8, the main refrigerant pipeline 16 between air jet system 14 and indoor apparatus of air conditioner is provided with air jet system
Liquid side outlet stop valve 10, the increasing enthalpy pipeline 18 between air jet system 14 and air-conditioner outdoor unit is provided with air jet system gas side outlet
Stop valve 9.
The air injection enthalpy-increasing air conditioning system of this example, on the main refrigerant pipeline 16 between air jet system 14 and air-conditioner outdoor unit
Being provided with air jet system liquid side-entrance stop valve 8, air jet system liquid side-entrance stop valve 8 is positioned close to the joint of air jet system 14
Point；Air jet system liquid side outlet stop valve it is provided with on main refrigerant pipeline 16 between air jet system 14 and indoor apparatus of air conditioner
10, air jet system liquid side outlet stop valve 10 is positioned close to the node of air jet system 14；Enter by arranging air jet system liquid side
Mouth stop valve 8 and air jet system liquid side outlet stop valve 10, be convenient for changing and keep in repair in air jet system 14 or air jet system 14
Components and parts；Air jet system gas side outlet stop valve it is provided with on increasing enthalpy pipeline 18 between air jet system 14 and air-conditioner outdoor unit
9, air jet system gas side outlet stop valve 9 is positioned close to the node of air jet system 14, by arranging air jet system gas side outlet
Stop valve 9 increases being connected in parallel of enthalpy branch road in facilitating off-premises station air conditioning system, easy to operate, it is possible to increase the installation of air-conditioning and tune
Examination efficiency.
Further, with reference to Fig. 1, air jet system 14 includes electronic heating components and parts 141 and throttle part 143, and electronics is sent out
Thermal element 141 is fixed on increasing enthalpy pipeline 18, increases enthalpy pipeline 18 and includes being arranged at described air jet system liquid side-entrance stop valve 8 and spray
Arrival end between device of air liquid side outlet stop valve 10, throttle part 143 is arranged at arrival end and the electronics increasing enthalpy pipeline 18
Between heater element 141.
The air injection enthalpy-increasing air-conditioning of the present invention, in the embodiment that Fig. 1 provides, air jet system 14 predominantly electronic heating element
141 and throttle part 143, increase enthalpy pipeline 18 by being allowed to fixing around electronic heating element 141, or heat-generating electronic elements
141 are fixed in the region that increasing enthalpy pipeline 18 is coiled to form by fixing glue, to increase enthalpy pipeline 18 and electronic heating unit
The contact area of part 145, makes the coolant in increasing enthalpy pipeline 18 fully absorb the heat of electronic heating element 141, increases air-conditioning system
The enthalpy of system, the arrival end increasing enthalpy pipeline 18 connects main refrigerant pipeline 16, is arranged at air jet system liquid side-entrance stop valve 8 and spray
Between device of air liquid side outlet stop valve 10, throttle part 143 is arranged at arrival end and the electronic heating element increasing enthalpy pipeline 18
Pipeline between 141, carries out reducing pressure by regulating flow process, and controls to enter the cold of increasing enthalpy pipeline 18 coolant increased in enthalpy pipeline 18
Matchmaker measures.
Further, with reference to Fig. 2 and 3, described air jet system 14 is economizer 145 and throttle part 143, economizer 145
Being arranged at main refrigerant pipeline 16, throttle part 143 is arranged at described increasing enthalpy pipeline 18, increases enthalpy pipeline 18 and runs through economizer 145, increases
Enthalpy pipeline 18 includes arrival end, and this arrival end is arranged between economizer 145 and air jet system liquid side-entrance stop valve 8, or
Being arranged between economizer 145 and air jet system liquid side outlet stop valve 10, throttle part 143 is arranged at and increases entering of enthalpy pipeline 18
Between mouth end and economizer 145.
The air injection enthalpy-increasing air conditioning system of the present invention, in the embodiment that Fig. 2 and 3 provides, air jet system is mainly economizer
145 and throttle part 143, economizer 145 is sheathed or viscous is located on main refrigerant pipeline 16, and throttle part 143 is arranged on increasing enthalpy pipe
On road 18, increase enthalpy pipeline 18 and also extend through described economizer 145 when wiring arrangement, in order to increase the coolant in enthalpy pipeline 18 and absorb institute
Stating the heat in economizer 145, evaporation becomes middle pressure gaseous coolant.In the embodiment that Fig. 3 provides, increase the entrance of enthalpy pipeline 18
End is arranged between economizer 145 and air jet system liquid side-entrance stop valve 8, and increasing enthalpy pipeline 18 connects and draws part directly by off-premises station
The liquid refrigerants that system flows out, through throttle part 143 reducing pressure by regulating flow, then absorbs main refrigerant pipeline when through economizer 145
Coolant in 16 expands the heat of release, and evaporation becomes middle pressure gaseous coolant, after entering the increasing enthalpy branch road of outdoor machine system, enters one
After step and off-premises station heating element heat exchange, send into the middle pressure chamber of the air injection enthalpy-increasing compressor of each air-conditioner outdoor unit, it is achieved jet
Increase enthalpy.In the embodiment that Fig. 2 provides, the arrival end increasing enthalpy pipeline 18 is arranged on economizer 145 and air jet system liquid side outlet
Between stop valve 10, increase enthalpy pipeline 18 extension low temperature liquid coolant through economizer 145 heat release, through throttle part 143
Reducing pressure by regulating flow forces down temperature liquid refrigerants in being, be then then passed through economizer 145, absorbs what the coolant in main refrigerant pipeline 16 discharged
Heat, evaporation becomes middle pressure gaseous coolant, after entering the increasing enthalpy branch road of outdoor machine system, further with off-premises station heating element
After heat exchange, send into the middle pressure chamber of the air injection enthalpy-increasing compressor of each air-conditioner outdoor unit, carry out air injection enthalpy-increasing, simultaneously because economizer
The heat that heat in 145 is made the coolant in winner's refrigerant pipeline discharge by absorption always increases, and produces supercool further, improves
The heat exchange efficiency of whole air conditioning system.Throttle part 143 be arranged on increase enthalpy pipeline 18 arrival end and described economizer 145 it
Between pipeline on, increase the coolant quantity of enthalpy pipeline 18 to control to enter, and then control the increasing enthalpy amount of whole air conditioning system.
Further, with reference to Fig. 2 and 3, economizer 145 is plate type heat exchanger or double pipe heat exchanger, and throttle part 143 is
Electric expansion valve or heating power expansion valve.
The air injection enthalpy-increasing air conditioning system of the present invention, in the embodiment that Fig. 2 and 3 provides, economizer 145 is plate type heat exchanger
Or double pipe heat exchanger, in order to select to use plate type heat exchanger or double pipe heat exchanger according to different installation environments；Restriction
Part 143 is that the aperture of electric expansion valve or heating power expansion valve, electric expansion valve and heating power expansion valve can the degree of superheat as required
Controlling, the production cost of capillary tube is low, it is simple and convenient to assemble.
Further, referring to figs. 1 through 3, described air injection enthalpy-increasing air conditioning system includes two the first air-conditioner outdoor units in parallel
With the second air-conditioner outdoor unit；
First air-conditioner outdoor unit includes being sequentially connected in series formation the first air injection enthalpy-increasing compressor 1a of the first pipeline, the first four-way
Valve 2a, the first air cooling heat exchanger 3a, the first outdoor throttle part 4a, the first off-premises station liquid side stop valve 5a, be sequentially connected in series formation
The first gas-liquid separator 7a and the first off-premises station gas side stop valve 6a of the first conduit, and it is sequentially connected in series formation the first increasing enthalpy
First solenoid valve 15a of branch road, the first off-premises station heating element 19a and the first off-premises station puff prot stop valve 11a；
Second air-conditioner outdoor unit includes being sequentially connected in series formation the second air injection enthalpy-increasing compressor 1b of the second pipeline, the second four-way
Valve 2b, the second air cooling heat exchanger 3b, the second outdoor throttle part 4b, the second off-premises station liquid side stop valve 5b, be sequentially connected in series formation
The second gas-liquid separator 7b and the second off-premises station gas side stop valve 6b of the second conduit, and it is sequentially connected in series formation the second increasing enthalpy
Second solenoid valve 15b of branch road, the second off-premises station heating element 19b and the second off-premises station puff prot stop valve 11b；
Described first pipeline and the second pipeline are connected in described main refrigerant pipeline 16, described first conduit and second
Conduit is connected in described main refrigerant pipeline loop 17, and described first increasing enthalpy branch road and second increases enthalpy branch circuit parallel connection and is connected to institute
State increasing enthalpy pipeline 18.
The air injection enthalpy-increasing air conditioning system of the present invention, in the embodiment that Fig. 1 to 3 provides, empty including two in parallel first
Adjust off-premises station and the second air-conditioner outdoor unit, two the first indoor apparatus of air conditioner in parallel and the second indoor apparatus of air conditioner, implement at other
In example, it is also possible to include multiple air-conditioner outdoor unit and indoor apparatus of air conditioner；
First air-conditioner outdoor unit includes being sequentially connected in series becomes the first gas-liquid separator 7a of refrigerant pipeline, the first off-premises station gas
Side stop valve 6a, the first air injection enthalpy-increasing compressor 1a, the first cross valve 2a, the first air cooling heat exchanger 3a, the first outdoor restriction
Part 4a and the first off-premises station liquid side stop valve 5a, and be sequentially connected in series become increasing the first solenoid valve 15a of enthalpy branch road, first
Off-premises station heating element 19a and the first off-premises station puff prot stop valve 11a；
Second air-conditioner outdoor unit includes being sequentially connected in series becomes the second gas-liquid separator 7b of refrigerant pipeline, the second off-premises station gas
Side stop valve 6b, the second air injection enthalpy-increasing compressor 1b, the second cross valve 2b, the second air cooling heat exchanger 3b, the second outdoor restriction
Part 4b and the second off-premises station liquid side stop valve 5b, and be sequentially connected in series become increasing the second solenoid valve 15b of enthalpy branch road, second
Off-premises station heating element 19b and the second off-premises station puff prot stop valve 11b；
First indoor apparatus of air conditioner includes the indoor throttle part 13a of the first indoor heat exchanger 12a and first of series connection, and second is empty
Off-premises station is adjusted to include the indoor throttle part 13b of the second indoor heat exchanger 12b and second of series connection；
First air injection enthalpy-increasing compressor 1a of described first air-conditioner outdoor unit, the first cross valve 2a, the first air cooling heat exchanger
3a, the first outdoor throttle part 4a and the first off-premises station liquid side stop valve 5a are sequentially connected in series formation the first pipeline, and the first gas-liquid is divided
Connect from device 7a and the first off-premises station gas side stop valve 6a and form the first conduit, the first solenoid valve 15a, the first outdoor
Machine heating element 19a and the first off-premises station puff prot stop valve 11a forms the first increasing enthalpy branch road；
Second air injection enthalpy-increasing compressor 1b of the second air-conditioner outdoor unit, the second cross valve 2b, the second air cooling heat exchanger 3b,
Two outdoor throttle part 4b, the second off-premises station liquid side stop valve 5b are sequentially connected in series formation the second pipeline, the second gas-liquid separator 7b
The second conduit, the second solenoid valve 15b, the second off-premises station heating is formed with the second off-premises station gas side stop valve 6b series connection
Components and parts 19b and the second off-premises station puff prot stop valve 11b forms the second increasing enthalpy branch road；
Described first pipeline and the second pipeline are connected in described main refrigerant pipeline 16, described first conduit and second
Conduit is connected in described main refrigerant pipeline loop 17, the first indoor apparatus of air conditioner of described parallel connection and the second indoor apparatus of air conditioner
One end connect described main refrigerant pipeline 16, the other end connect described main refrigerant pipeline loop 17, constitute complete refrigerant circulation
Loop, it is achieved heating and refrigerating function of air conditioning system, described first increasing enthalpy branch road and second increases enthalpy branch circuit parallel connection and is connected to increase enthalpy
Pipeline 18, utilizes the electronic heating element 141 in air jet system 14, or utilizes in economizer 145 generation in air jet system 14
Pressure gaseous coolant, enters the middle pressure chamber of air injection enthalpy-increasing compressor, it is achieved air injection enthalpy-increasing.
Further, referring to figs. 1 through 3, described first air cooling heat exchanger 3a and the second air cooling heat exchanger 3b uses water-cooled to change
Hot device substitutes.
The air injection enthalpy-increasing air conditioning system of the present embodiment, uses the first air cooling heat exchanger 3a and the second air cooling heat exchanger 3b to realize
The heat exchange of coolant and external environment condition, but heat or during at high temperature environment refrigerating at low temperature environment, due to coolant and external environment condition
The temperature difference less, so heat exchange efficiency is relatively low, the Energy Efficiency Ratio in turn resulting in air conditioning system is relatively low, and water cooling heat exchanger can be at low temperature
The higher water source of temperature is provided to carry out heat exchange with the liquid refrigerants of low-temp low-pressure to air conditioning system under environment, it is also possible at high temperature ring
There is provided the relatively low water source of temperature to carry out heat exchange with the gaseous coolant of High Temperature High Pressure to air conditioning system under border, improve changing of air conditioning system
The thermal efficiency, and then improve whole air conditioning system Energy Efficiency Ratio under high temperature or low temperature environment.
Further, referring to figs. 1 through 3, described air injection enthalpy-increasing air conditioning system also includes controller (not shown), the first temperature
Sensor 20 and the second temperature sensor 21,
First temperature sensor 20 is arranged between electronic heating element 141 or economizer 145 and throttle part 143；
Second temperature sensor 21 is arranged at electronic heating element 141 or economizer 145 and cuts with air jet system gas side outlet
Only between valve 9；
The input of controller connects described first temperature sensor 20 and the second temperature sensor 21, outfan connecting joint
Stream unit 143.
The air injection enthalpy-increasing air conditioning system of the present embodiment, also includes controller (not shown), the first temperature sensor 20 and
Two temperature sensors 21；In the embodiment that Fig. 3 and Fig. 2 provides, the first temperature sensor 20 is arranged at economizer 145 and throttling
Between parts 143, in the embodiment that Fig. 1 provides, the first temperature sensor 20 is arranged at electronic heating element 141 and restriction
Between part 143, for gathering the inlet temperature increasing enthalpy pipeline 18 arrival end, and this injection inlet temperature is sent to described control
Device；In the embodiment that Fig. 3 and Fig. 2 provides, the second temperature sensor 21 is arranged at economizer 145 and air jet system gas side outlet
Between stop valve 9, in the embodiment that Fig. 2 provides, the second temperature sensor 21 is arranged at electronic heating element 141 and fills with jet
Put between gas side outlet stop valve 9, for gathering the outlet temperature increasing enthalpy pipeline 18 port of export, and this jet exit temperature is sent out
Deliver to described controller；The input of described controller connects described first temperature sensor 20 and the second temperature sensor 21,
Outfan connecting joint stream unit 143, for calculating degree of superheat D of jet, and controls throttle part according to described degree of superheat D
The aperture of 143.Described degree of superheat D=outlet temperature-inlet temperature, when 0 DEG C of ＜ D ＜ 3 DEG C, the aperture of throttle part 143
For-8；When 3 DEG C≤D ＜ 5 DEG C, the aperture of throttle part 143 is-4；When 5 DEG C≤D ＜ 8 DEG C, the aperture of throttle part 143
Keep constant；When 8 DEG C≤D ＜ 10 DEG C, the aperture of throttle part 143 is+4；When D >=10 DEG C, the aperture of throttle part 143
For+8.
The work process of the air injection enthalpy-increasing air conditioning system of the present invention is as follows:
During air conditioning system refrigerating operaton, coolant quilt in the air injection enthalpy-increasing compressor of air-conditioner outdoor unit A and B in parallel respectively
The gaseous coolant of boil down to High Temperature High Pressure, through cross valve, enters air cooling heat exchanger and carries out heat exchange, external environment release heat
Amount, a part of gaseous coolant becomes liquid refrigerants, is entered by main refrigerant pipeline 16 after outdoor throttle part reducing pressure by regulating flow
Air jet system 14, then, a part of coolant enters and increases enthalpy pipeline 18, throttles into middle pressure liquid refrigerants through throttle part 143, enters
Enter economizer 145 and absorb the heat of coolant expansion release, or absorb the heat that electronic heating element 141 produces, during evaporation becomes
Pressure gaseous coolant, along increasing the increasing enthalpy branch road that enthalpy pipeline 18 enters the air-conditioner outdoor unit of parallel connection, absorbs further and increases on enthalpy branch road
The heat that off-premises station heating element produces, forms the gaseous coolant of medium temperature and medium pressure, and then from the injection of air injection enthalpy-increasing compressor
Mouth presses chamber in entering；Another part coolant the most directly enters into indoor heat exchanger by air jet system liquid side outlet stop valve 10,
Heat absorption flashes to the gaseous coolant of low-temp low-pressure, then returns in the air-conditioner outdoor unit of parallel connection through main refrigerant pipeline loop 17, warp
Cross valve enters gas-liquid separator and carries out gas-liquid separation, and isolated low-temp low-pressure gaseous coolant returns to air injection enthalpy-increasing compressor,
Complete a kind of refrigeration cycle.
During air conditioning system heating operation, coolant quilt in the air injection enthalpy-increasing compressor of air-conditioner outdoor unit A and B in parallel respectively
The gaseous coolant of boil down to High Temperature High Pressure, the pipeline connected through cross valve and off-premises station gas side stop valve converges to main refrigerant pipe
Loop, road 17, enters indoor apparatus of air conditioner, and through indoor heat exchanger to indoor environment heat release, condensed coolant is through indoor throttle part
Carrying out reducing pressure by regulating flow, then pass through air jet system liquid side outlet stop valve 10 and enter air jet system 14, then, a part of coolant enters
Enter to increase enthalpy pipeline 18, throttle into middle pressure liquid refrigerants through throttle part 143, enter economizer 145 and absorb coolant expansion release
Heat, or absorb the heat that electronic heating element 141 produces, evaporation becomes middle pressure gaseous coolant, enters along increasing enthalpy pipeline 18
The increasing enthalpy branch road of air-conditioner outdoor unit in parallel, absorbs the heat that the off-premises station heating element increased on enthalpy branch road produces further,
Form the gaseous coolant of medium temperature and medium pressure, and then from the jet of air injection enthalpy-increasing compressor enters, press chamber；Another part coolant is then
Directly by air jet system liquid side-entrance stop valve 8, enter into the outdoor throttle part reducing pressure by regulating flow of the air-conditioner outdoor unit of parallel connection
Becoming the liquid refrigerants of low-temp low-pressure, subsequently enter air cooling heat exchanger and absorb the heat of external environment condition, evaporation becomes low-temp low-pressure
Gaseous coolant, flows into gas-liquid separator again by cross valve, returns to air injection enthalpy-increasing compressor, complete once to heat circulation.
The air injection enthalpy-increasing air conditioning system of the present invention, by main refrigerant pipeline 16 and main refrigerant pipeline loop 17 by air conditioning chamber
The air-conditioner outdoor unit of machine and at least two parallel connection connects, and the coolant absorption air jet system 14 and the off-premises station that enter increasing enthalpy pipeline 18 are sent out
The heat that hot components and parts produce, flashes to middle pressure gaseous coolant, flows into the middle pressure chamber of air injection enthalpy-increasing compressor, increases realizing jet
Reduce the temperature of off-premises station heating element while enthalpy, and without setting up expansion valve and respective line, air jet system is pacified
Dress is flexible, greatly reduce the cost of system, it is to avoid the wasting of resources.
The foregoing is only the preferred embodiments of the present invention, not thereby limit the scope of the claims of the present invention, every at this
Under inventive concept, utilize the equivalent structure transformation that description of the invention and accompanying drawing content are made, or directly/indirectly it is used in other
Relevant technical field is included in the scope of patent protection of the present invention.
Claims (9)
1. an air injection enthalpy-increasing air conditioning system, it is characterised in that include indoor apparatus of air conditioner, outside the air conditioning chamber that at least two is in parallel
Machine, and connect air-conditioner outdoor unit and the main refrigerant pipeline of indoor apparatus of air conditioner and main refrigerant pipeline loop, each air-conditioner outdoor unit
Including air injection enthalpy-increasing compressor and off-premises station heating element；
Described air injection enthalpy-increasing air conditioning system also includes air jet system and increases enthalpy pipeline；
One end of described increasing enthalpy pipeline connects described air jet system, and the other end connects each air-conditioner outdoor unit；
Described air jet system is arranged at the arbitrary node of described main refrigerant pipeline, enters the coolant absorption air jet system increasing enthalpy pipeline
The heat produced with off-premises station heating element, flashes to middle pressure gaseous coolant, flows into the air injection enthalpy-increasing of each air-conditioner outdoor unit
Compressor.
Air injection enthalpy-increasing air conditioning system the most according to claim 1, it is characterised in that each air-conditioner outdoor unit also includes an increasing
Enthalpy branch road, this increasing enthalpy branch road connects described air injection enthalpy-increasing compressor and around described off-premises station heating element, and described increasing enthalpy props up
Road connects one end of air injection enthalpy-increasing compressor and is provided with a solenoid valve, controls the opening and closing of described increasing enthalpy branch road.
Air injection enthalpy-increasing air conditioning system the most according to claim 1 and 2, it is characterised in that described air jet system and air conditioning chamber
Main refrigerant pipeline between outer machine is provided with air jet system liquid side-entrance stop valve, between described air jet system and indoor apparatus of air conditioner
Main refrigerant pipeline be provided with air jet system liquid side outlet stop valve, the increasing enthalpy pipe between described air jet system and air-conditioner outdoor unit
Road is provided with air jet system gas side outlet stop valve.
Air injection enthalpy-increasing air conditioning system the most according to claim 3, it is characterised in that described air jet system includes electronic heating
Components and parts and throttle part, described electronic heating element is fixed on described increasing enthalpy pipeline, and described increasing enthalpy pipeline includes being arranged at institute
Stating the arrival end between air jet system liquid side-entrance stop valve and air jet system liquid side outlet stop valve, described throttle part is arranged
Between arrival end and the described electronic heating element of described increasing enthalpy pipeline.
Air injection enthalpy-increasing air conditioning system the most according to claim 3, it is characterised in that described air jet system include economizer and
Throttle part, described economizer is arranged at described main refrigerant pipeline, and described throttle part is arranged at described increasing enthalpy pipeline, described increasing
Enthalpy pipeline runs through described economizer, and described increasing enthalpy pipeline includes arrival end, and this arrival end is arranged at described economizer and fills with jet
Put between liquid side-entrance stop valve, or be arranged at described throttling between described economizer and air jet system liquid side outlet stop valve
Parts are arranged between arrival end and the described economizer of described increasing enthalpy pipeline.
Air injection enthalpy-increasing air conditioning system the most according to claim 5, it is characterised in that described economizer be plate type heat exchanger or
Double pipe heat exchanger, described throttle part is electric expansion valve or heating power expansion valve.
Air injection enthalpy-increasing air conditioning system the most according to claim 1, it is characterised in that described air injection enthalpy-increasing air conditioning system includes
Two the first air-conditioner outdoor units in parallel and the second air-conditioner outdoor unit；
Described first air-conditioner outdoor unit includes being sequentially connected in series formation the first air injection enthalpy-increasing compressor of the first pipeline, the first four-way
Valve, the first air cooling heat exchanger, the first outdoor throttle part, the first off-premises station liquid side stop valve, be sequentially connected in series formation the first pipeline
First gas-liquid separator in loop and the first off-premises station gas side stop valve, and it is sequentially connected in series the first spray forming the first increasing enthalpy branch road
Pneumoelectric magnet valve, the first off-premises station heating element and the first off-premises station puff prot stop valve；
Described second air-conditioner outdoor unit includes being sequentially connected in series formation the second air injection enthalpy-increasing compressor of the second pipeline, the second four-way
Valve, the second air cooling heat exchanger, the second outdoor throttle part, the second off-premises station liquid side stop valve, be sequentially connected in series formation the second pipeline
Second gas-liquid separator in loop and the second off-premises station gas side stop valve, and it is sequentially connected in series the second spray forming the second increasing enthalpy branch road
Pneumoelectric magnet valve, the second off-premises station heating element and the second off-premises station puff prot stop valve；
Described first pipeline and the second pipeline are connected in described main refrigerant pipeline, and described first conduit and the second pipeline return
Road is connected in described main refrigerant pipeline loop, and described first increasing enthalpy branch road and second increases enthalpy branch circuit parallel connection and is connected to described increasing enthalpy pipe
Road.
Air injection enthalpy-increasing air conditioning system the most according to claim 7, it is characterised in that described first air cooling heat exchanger and second
Air cooling heat exchanger uses water cooling heat exchanger to substitute.
9. according to the air injection enthalpy-increasing air conditioning system described in claim 4 or 5, it is characterised in that described air injection enthalpy-increasing air conditioning system
Also include controller, the first temperature sensor and the second temperature sensor,
Described first temperature sensor is arranged between electronic heating element or economizer and throttle part；
Described second temperature sensor is arranged between electronic heating element or economizer and air jet system gas side outlet stop valve；
The input of described controller connects described first temperature sensor and the second temperature sensor, and outfan connects restriction
Part.
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| CN106801921A (en) * | 2017-02-21 | 2017-06-06 | 广东美的暖通设备有限公司 | Air injection enthalpy-increasing air-conditioning system and its control method |
| CN107757298A (en) * | 2017-11-01 | 2018-03-06 | 蔚来汽车有限公司 | Air injection enthalpy-increasing heat pump type air conditioning system and the electric car including the heat pump type air conditioning system |
| CN109386909A (en) * | 2018-10-22 | 2019-02-26 | 广东美的暖通设备有限公司 | Outdoor unit, method for controlling oil return and air conditioner |
| CN111133258A (en) * | 2017-09-28 | 2020-05-08 | 三菱电机株式会社 | Air conditioner |
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| CN106288080B (en) | 2019-02-19 |
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