CN205980121U - One drags two fresh air conditioning unit systems - Google Patents
One drags two fresh air conditioning unit systems Download PDFInfo
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- CN205980121U CN205980121U CN201620919867.1U CN201620919867U CN205980121U CN 205980121 U CN205980121 U CN 205980121U CN 201620919867 U CN201620919867 U CN 201620919867U CN 205980121 U CN205980121 U CN 205980121U
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Abstract
The utility model relates to an one drags two fresh air conditioning unit systems, it includes off -premises station device, first indoor set device, second indoor set device and new trend pipeline, wherein, the new trend pipeline is including being used for the intake stack of introducing outdoor new trend and being used for sending the new trend into indoor supply air duct, new trend pipe setup is in second indoor set device. The utility model discloses an one drags two fresh air conditioning unit systems compares with prior art's fresh air unit, can combine the change of indoor load according to the change of outdoor environment, suitably adjusts the heat exchanger's of two indoor sets evaporating temperature respectively for the long time - keeping of heat exchanger of an indoor set operates, undertakes indoor first load at higher evaporating temperature, and the heat exchanger of another indoor set has lower evaporating temperature, undertakes the fresh air unit function, the efficiency is moved to the whole that sets up the system that can obviously provide like this.
Description
Technical field
This utility model belongs to air conditioning system field and in particular to a kind of one drag two fresh air handining unit system.
Background technology
" comfortableness " that domestic air conditioning technology increasingly pays close attention to room air controls, for example, Temperature and Humidity Control and air product
Quality Control etc..
Air quality control ratio is more natural and effective method is using outdoor fresh space, room air to be put
Change or dilute that is to say, that sucking outdoor fresh air, the indoor visceral-qi of exclusion.Therefore, in order to improve indoor air quality, use before
In the VMC (Ventilation Mechanical Control System) of central air conditioner system, also gradually it is applied to domestic air-conditioning system.It is also future that domestic air conditioning contains fresh air design
The inexorable trend of domestic air conditioning technology development.
The application of direct-evaporation-type Fresh air handling units is more and more extensive at present.Fresh air handling units mainly undertake new wind load, however,
When the warm and humid state difference of outer air is larger indoors, particularly in summer damp-heat area or cold districts, fresh air
Exchanging can the bigger load of producing ratio closed loop；In addition, under summer condition, in order to reach the dehumidification treatments to outdoor fresh air, newly
Blower fan group need to reduce evaporating temperature as far as possible, makes the evaporator surface temperature of Fresh air handling units be less than the dew point temperature of outdoor fresh air, this
For the compressor of Fresh air handling units, pressure ratio increases, and entering power increases, and runs uneconomical.
Content of the invention
For solving above-mentioned technical problem, this utility model provides a kind of one drag two fresh air handining unit system, described new
The air conditioning unit system of wind includes off-premises station device, the first indoor unit, the second indoor unit and fresh air pipeline；Wherein,
Described off-premises station device includes duplex cylinder compressor, outdoor heat converter, the first reservoir, the second reservoir, first throttle mechanism
And second throttle body；Described first indoor unit includes the first indoor heat converter, and described second indoor unit includes
Second indoor heat converter；Described duplex cylinder compressor, outdoor heat converter, first throttle mechanism, the first indoor heat converter and
First reservoir is sequentially connected in series the first processing system forming refrigerant cycle circulation；Described duplex cylinder compressor, outdoor heat exchange
Device, second throttle body, the second indoor heat converter and the second reservoir are sequentially connected in series and form the second of refrigerant cycle circulation
Processing system；Described fresh air pipeline includes the intake stack for introducing outdoor fresh air and is used for for fresh air sending into indoor sending
Wind pipeline；Described intake stack is connected with the air inlet of described second indoor heat converter；Described second indoor heat converter
Air outlet is connected with described air supply duct.
Preferably, the aerofluxuss side of described duplex cylinder compressor has first exhaust branch road and second exhaust branch road；Described
One exhaust branch belongs to the first processing system；Described second exhaust branch road belongs to second processing system；From described duplex cylinder compressor
Aerofluxuss side to described duplex cylinder compressor air-breathing side between, the first exhaust branch road of described first processing system, outdoor
The of heat exchanger, first throttle mechanism, the first indoor heat converter and described first reservoir and described second processing system
Two exhaust branch, outdoor heat converter, second throttle body, the second indoor heat converter and described second reservoir form parallel connection
Setting.
Preferably, described off-premises station device also includes two four-way change-over valves, and wherein, the first four-way change-over valve is arranged on institute
State on first exhaust branch road, the second four-way change-over valve is arranged on described second exhaust branch road；When described air conditioning system is in system
During cold working condition, described first four-way change-over valve connects described first exhaust branch road and described outdoor heat converter, and even
Lead to described first indoor heat converter and described first reservoir；Described second four-way change-over valve connects described second exhaust branch road
With described outdoor heat converter, and connect described second indoor heat converter and described second reservoir；When described air-conditioning system
System is in when heating working condition, and described first four-way change-over valve connects described first exhaust branch road and the first indoor heat exchange
Device, and connect outdoor heat converter and the first reservoir；Described second four-way change-over valve connect described second exhaust branch road with
Second indoor heat converter, and connect outdoor heat converter and the second reservoir.
Preferably, described duplex cylinder compressor is had the first cylinder being connected with described first reservoir and stores up with described second
Second cylinder of liquid device connection, the swept volume of described first cylinder is more than the swept volume of described second cylinder.
Preferably, described first throttle mechanism and/or described second throttle body are electric expansion valve and/or capillary tube.
One drag two fresh air handining unit system of the present utility model, compared with the Fresh air handling units of prior art, can basis
The change of outdoor environment combines the change of indoor load, suitably adjusts the evaporation temperature of the heat exchanger of two indoor sets respectively
Degree is so that the heat exchanger of an indoor set maintains higher evaporating temperature operating for a long time, mainly undertakes the sensible heat of interior
Load, and the heat exchanger of another indoor set has relatively low evaporating temperature, mainly undertakes new wind load；Such setting is permissible
The overall operation efficiency of system is substantially provided.
Brief description
Fig. 1 is the structural representation of the one drag two fresh air handining unit system according to this utility model embodiment 1.
Specific embodiment
Below with reference to specific embodiment shown in the drawings, this utility model is described in detail.But these embodiment party
Formula is not intended to limit this utility model, structure that those of ordinary skill in the art is made according to these embodiments, method or
Conversion functionally is all contained in protection domain of the present utility model.
Embodiment 1
As shown in figure 1, the fresh air handining unit system of the one-drawing-two type of the present embodiment includes off-premises station device 1, the first Room
Interior machine device 21, the second indoor unit 22 and fresh air pipeline (in figure does not mark).
Off-premises station air-conditioning device 1 includes duplex cylinder compressor 11, outdoor heat converter 12, the first reservoir 13, the second liquid storage
Device 14, first throttle mechanism and second throttle body.In the present embodiment, first throttle mechanism is the first electric expansion valve 15, the
Two throttle mechanisms are the second electric expansion valve 16；In other embodiments, described first throttle mechanism and second throttle body
Can also be other devices with throttling function such as capillary tube or combination of devices.
First indoor unit 21 includes the first indoor heat converter 21a；It is indoor that second indoor unit 22 includes second
The evaporating temperature of heat exchanger 22a, the first indoor heat converter 21a is higher than the evaporating temperature of the second indoor heat converter 22a.
Wherein, duplex cylinder compressor 11, outdoor heat converter 12, the first electric expansion valve 15, the first indoor heat converter 21a
It is sequentially connected in series the first processing system forming refrigerant cycle circulation with the first reservoir 13.Duplex cylinder compressor 11, outdoor heat are handed over
Parallel operation 12, the second electric expansion valve 16, the second indoor heat converter 22a and the second reservoir 14 are sequentially connected in series formation cold-producing medium and follow
The second processing system that circulation leads to.
Fresh air pipeline includes the intake stack 31 for introducing outdoor fresh air and is used for for fresh air sending into indoor air-supply
Pipeline 32；Hollow arrow direction as shown in Figure 1 is the flow direction of fresh air, flows through the second Indoor Thermal from intake stack 31 and exchanges
Device 22a simultaneously sends into interior from air supply duct 32；Knowable to the direction of new wind flow：Intake stack 31 and the second indoor heat converter
Air inlet (in figure does not mark) connection of 22a；The air outlet (in figure does not mark) of the second indoor heat converter 22a and air supply duct
32 connections.
In the present embodiment, the first indoor heat converter 21a is high-temperature evaporator, and the second indoor heat converter 22a is low
Warm vaporizer.Specifically, high-temperature evaporator 21a is the heat exchanger of high evaporating temperature, mainly undertakes sensible heat load, in refrigeration
It is also referred to as sensible heat vaporizer under operating mode；Cryogenic vaporizer 22a is the heat exchanger of low evaporating temperature, mainly undertakes latent heat load,
It is also referred to as latent heat evaporation device under cooling condition.
In the present embodiment, the evaporating temperature of the heat exchanger 21a of the first indoor unit 21 is higher, mainly undertakes interior
Sensible heat load it is not necessary to configuration airduct, can be using conventional indoor set pattern, such as cabinet-type air conditioner or on-hook；However, second Room
Interior machine device 22 is configured with fresh air pipeline, undertakes Fresh air handling units function, and its evaporating temperature is relatively low, and the fresh air that introduce can be carried out
Dehumidifying and cooling, undertakes humidity load and the part indoor load of fresh air, the constant temperature and humidity after processing through the second indoor heat converter 22a
Fresh air send into indoor.
The fresh air handining unit system of the one-drawing-two type of the present embodiment, can combine indoor negative according to the change of outdoor environment
The change of lotus, the evaporating temperature of heat exchanger suitably adjusting two indoor sets respectively is so that the heat exchange of an indoor set
Device maintains higher evaporating temperature operating for a long time, mainly undertakes the sensible heat load of interior, and the heat friendship of another indoor set
Parallel operation has relatively low evaporating temperature, mainly undertakes Fresh air handling units function；Such setting can significantly improve the entirety fortune of system
Row efficiency.
With regard to the circulation of cold-producing medium, in the present embodiment, the aerofluxuss side of duplex cylinder compressor 11 has first exhaust branch road
11A and second exhaust branch road 11B；First exhaust branch road 11A belongs to the first processing system；Second exhaust branch road 11B belongs to second
Processing system.
In the present embodiment, as shown in figure 1, from the aerofluxuss side of duplex cylinder compressor 11 to the air-breathing one of duplex cylinder compressor 11
Between side, the first exhaust branch road 11A of the first processing system, outdoor heat converter 12, the first electric expansion valve 15, first are indoor
The second exhaust branch road 11B of heat exchanger 21a and the first reservoir 13 and second processing system, outdoor heat converter 12, second
Electric expansion valve 16, the second indoor heat converter 22a and the second reservoir 14 form and are arranged in parallel.
The fresh air handining unit system of the one-drawing-two type of the present embodiment, using two different evaporating pressures vaporizer and
Double suction gas, the compressor of double reservoir, it is achieved that different pressure of inspiration(Pi), effectively improve the overall efficiency of Fresh air handling units system.
In the present embodiment, as shown in figure 1, off-premises station device 1 also includes two four-way change-over valves, wherein, the first four-way
Reversal valve 17 is arranged on first exhaust branch road 11A, and the second four-way change-over valve 18 is arranged on second exhaust branch road 11B.
When air conditioning system is in refrigeration work state, the first four-way change-over valve 17 connects first exhaust branch road 11A and room
Outer heat-exchanger 12, and connect the first indoor heat converter 21a and the first reservoir 13；Second four-way change-over valve 18 connection the
Two exhaust branch 11B and outdoor heat converter 12, and connect the second indoor heat converter 22a and the second reservoir 14.
When air conditioning system is in and heats working condition, the first four-way change-over valve 17 connection first exhaust branch road 11A and the
One indoor heat converter 21a, and connect outdoor heat converter 12 and the first reservoir 13；Second four-way change-over valve 18 connection the
Two exhaust branch 11B and the second indoor heat converter 22a, and connect outdoor heat converter 12 and the second reservoir 14.
In the fresh air handining unit system of the one-drawing-two type of the present embodiment, during refrigeration, the cyclic process of cold-producing medium is as follows：System
Cryogen is discharged after compression in duplex cylinder compressor 1, and a road enters into first exhaust branch road 11A, then through the first four-way change-over valve
17 enter into outdoor heat converter 12 (i.e. condenser), then enter into the first off-premises station 21 by the first electric expansion valve 15
One indoor heat converter 21a (high-temperature evaporator), then from the first indoor heat converter 21a outlet, through the first four-way change-over valve 17
Enter into the first reservoir 13, be compressed in the cylinder 113 finally entering duplex cylinder compressor 11, the cold-producing medium after compression, row
Enter in compressor cavity 11；Another road enters into second exhaust branch road 11B, then enters into outdoor through the second four-way change-over valve 18
Heat exchanger 12 (i.e. condenser), then the second indoor heat converter 22a (low-temperature evaporation is entered into by the second electric expansion valve 16
Device), then the outlet from the second indoor heat converter 22a, enter into the second reservoir 14 through the second four-way change-over valve 18, the most laggard
It is compressed in the cylinder 114 entering duplex cylinder compressor 11, the cold-producing medium after compression, enter in compressor cavity 11.
In the fresh air handining unit system of the one-drawing-two type of the present embodiment, when heating, the cyclic process of cold-producing medium is as follows：System
Cryogen is discharged after compression in duplex cylinder compressor 1, and a road enters into first exhaust branch road 11A, then through the first four-way change-over valve
17 enter into the first indoor heat converter 21a (flow direction of cold-producing medium is contrary with above-mentioned process of refrigerastion), more swollen through the first electronics
Swollen valve 15 enters into outdoor heat converter 12, then enters into the first reservoir 13 through the first four-way change-over valve 17, after through double
The cylinder 113 of cylinder compressor 11 is compressed, and the cold-producing medium after compression enters in duplex cylinder compressor 11 cavity；Another road enters into
Second exhaust branch road 11B, then through the second four-way change-over valve 18 enter the second indoor heat converter 22a (flow direction of cold-producing medium with
Above-mentioned process of refrigerastion contrary), then enter into outdoor heat converter 12 through the second electric expansion valve 16, then change through the second four-way
Enter into the second reservoir 14 to valve 18, after cylinder 114 through duplex cylinder compressor 11 be compressed, the cold-producing medium after compression is double
In cylinder compressor 11 cavity.
In the present embodiment, the first electric expansion valve 15 and the second electric expansion valve 16 can adjust entrance the first Room respectively
Inside heat exchanger 21a and the refrigerant flow of the second indoor heat converter 22a, the first indoor unit 21 and second is indoor simultaneously
The air quantity of machine device 22 can suitably be adjusted, thus realizing two different evaporating temperatures, for example, the steaming of two vaporizers
Send out temperature and can be respectively set to 18 DEG C and 8 DEG C, and heat exchange and air circulation are realized by respective blower fan.
In the present embodiment, duplex cylinder compressor 11 has the first cylinder 113 connecting with the first reservoir 13 and with second
Second cylinder 114 of reservoir 14 connection, the swept volume of the first cylinder 113 is more than the swept volume of the second cylinder 114；Permissible
According to the ratio of outdoor fresh air load and indoor load, the first cylinder 113 and the second cylinder 114 are arranged different swept volumes
Ratio is thus be better achieved the control of the different evaporating temperatures of two indoor heat converters.
The fresh air handining unit system of the present embodiment can apply to Household air conditioner refrigeration system it is also possible to be applied to automobile-used
Air-conditioning refrigeration system, its device simple, the change of indoor load can be combined according to the change of outdoor environment, suitably adjust respectively
The evaporating temperature of the heat exchanger of two indoor sets of section is so that the heat exchanger of an indoor set maintains higher steaming for a long time
Send out temperature operating, mainly undertake indoor sensible heat load, and the heat exchanger of another indoor set has relatively low evaporating temperature, master
Undertake Fresh air handling units function；Such setting can substantially provide the overall operation efficiency of system.
It should be understood that although this specification is been described by according to embodiment, but not each embodiment only comprises one
Individual independent technical scheme, only for clarity, those skilled in the art should will say this narrating mode of description
As an entirety, the technical scheme in each embodiment can also be through appropriately combined, and forming those skilled in the art can for bright book
With the other embodiment understanding.
The a series of detailed description of those listed above is only for the tool of feasibility embodiment of the present utility model
Body illustrates, they are simultaneously not used to limit protection domain of the present utility model, all is made without departing from this utility model skill spirit
Equivalent implementations or change should be included within protection domain of the present utility model.
Claims (6)
1. a kind of one drag two fresh air handining unit system it is characterised in that：
Described fresh air handining unit system includes off-premises station device, the first indoor unit, the second indoor unit and fresh air
Pipeline；Wherein,
Described off-premises station device includes duplex cylinder compressor, outdoor heat converter, the first reservoir, the second reservoir, first throttle
Mechanism and second throttle body；
Described first indoor unit includes the first indoor heat converter, and described second indoor unit includes the second Indoor Thermal and hands over
Parallel operation；
Described duplex cylinder compressor, outdoor heat converter, first throttle mechanism, the first indoor heat converter and the first reservoir are successively
Series connection forms the first processing system of refrigerant cycle circulation；
Described duplex cylinder compressor, outdoor heat converter, second throttle body, the second indoor heat converter and the second reservoir are successively
Series connection forms the second processing system of refrigerant cycle circulation；
Described fresh air pipeline includes the intake stack for introducing outdoor fresh air and is used for for fresh air sending into indoor ajutage
Road；
Described intake stack is connected with the air inlet of described second indoor heat converter；The air-out of described second indoor heat converter
Mouth is connected with described air supply duct.
2. the system as claimed in claim 1 it is characterised in that：
The aerofluxuss side of described duplex cylinder compressor has first exhaust branch road and second exhaust branch road；
Described first exhaust branch road belongs to the first processing system；Described second exhaust branch road belongs to second processing system；
Between from the aerofluxuss side of described duplex cylinder compressor to the air-breathing side of described duplex cylinder compressor, described first processing system
First exhaust branch road, outdoor heat converter, first throttle mechanism, the first indoor heat converter and described first reservoir and institute
State the second exhaust branch road of second processing system, outdoor heat converter, second throttle body, the second indoor heat converter and described
Second reservoir forms and is arranged in parallel.
3. system as claimed in claim 2 it is characterised in that：
Described off-premises station device also includes two four-way change-over valves, and wherein, the first four-way change-over valve is arranged on described first exhaust
On branch road, the second four-way change-over valve is arranged on described second exhaust branch road；
When described air conditioning system is in refrigeration work state, described first four-way change-over valve connect described first exhaust branch road with
Described outdoor heat converter, and connect described first indoor heat converter and described first reservoir；Described second four-way changes
Connect described second exhaust branch road and described outdoor heat converter to valve, and connect described second indoor heat converter with described
Second reservoir；
When described air conditioning system is in and heats working condition, described first four-way change-over valve connect described first exhaust branch road with
First indoor heat converter, and connect outdoor heat converter and the first reservoir；Described second four-way change-over valve connection is described
Second exhaust branch road and the second indoor heat converter, and connect outdoor heat converter and the second reservoir.
4. the system as described in any one in claims 1 to 3 it is characterised in that：
Described duplex cylinder compressor is had the first cylinder being connected with described first reservoir and is connected with described second reservoir
Second cylinder, the swept volume of described first cylinder is more than the swept volume of described second cylinder.
5. the system as described in any one in claims 1 to 3 it is characterised in that：
Described first throttle mechanism is the first electric expansion valve；
Described second throttle body is the second electric expansion valve.
6. the system as described in any one in claims 1 to 3 it is characterised in that：
Described first throttle mechanism and/or described second throttle body are capillary tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620919867.1U CN205980121U (en) | 2016-08-22 | 2016-08-22 | One drags two fresh air conditioning unit systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620919867.1U CN205980121U (en) | 2016-08-22 | 2016-08-22 | One drags two fresh air conditioning unit systems |
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| Publication Number | Publication Date |
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| CN205980121U true CN205980121U (en) | 2017-02-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201620919867.1U Active CN205980121U (en) | 2016-08-22 | 2016-08-22 | One drags two fresh air conditioning unit systems |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107655108A (en) * | 2017-09-20 | 2018-02-02 | 广东美的制冷设备有限公司 | The control method of air conditioner and air conditioner |
| CN109210821A (en) * | 2018-10-23 | 2019-01-15 | 四川长虹空调有限公司 | Capillary network based on the double liquid storage devices of the twin-tub temperature control system in parallel with indoor unit |
| WO2019061914A1 (en) * | 2017-09-29 | 2019-04-04 | 上海海立电器有限公司 | Fresh-air air conditioning system and control method |
| CN111102669A (en) * | 2019-12-31 | 2020-05-05 | 珠海格力电器股份有限公司 | Air conditioning system with multiple refrigerant loops and control method and device thereof |
| CN111425944A (en) * | 2020-04-14 | 2020-07-17 | 宁波奥克斯电气股份有限公司 | Fresh air conditioning system and control method thereof |
| CN112796996A (en) * | 2021-01-10 | 2021-05-14 | 青岛腾远设计事务所有限公司 | Scroll compressor |
| CN112815390A (en) * | 2021-01-15 | 2021-05-18 | 青岛腾远设计事务所有限公司 | Multi-split air conditioning system |
-
2016
- 2016-08-22 CN CN201620919867.1U patent/CN205980121U/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107655108A (en) * | 2017-09-20 | 2018-02-02 | 广东美的制冷设备有限公司 | The control method of air conditioner and air conditioner |
| WO2019061914A1 (en) * | 2017-09-29 | 2019-04-04 | 上海海立电器有限公司 | Fresh-air air conditioning system and control method |
| US11480369B2 (en) | 2017-09-29 | 2022-10-25 | Shanghai Highly Electrical Appliances Co., Ltd. | Fresh-air air conditioning system and control method |
| CN109210821A (en) * | 2018-10-23 | 2019-01-15 | 四川长虹空调有限公司 | Capillary network based on the double liquid storage devices of the twin-tub temperature control system in parallel with indoor unit |
| CN109210821B (en) * | 2018-10-23 | 2023-10-24 | 四川长虹空调有限公司 | Capillary network and indoor unit parallel temperature control system based on double cylinders and double reservoirs |
| CN111102669A (en) * | 2019-12-31 | 2020-05-05 | 珠海格力电器股份有限公司 | Air conditioning system with multiple refrigerant loops and control method and device thereof |
| CN111102669B (en) * | 2019-12-31 | 2021-11-26 | 珠海格力电器股份有限公司 | Air conditioning system with multiple refrigerant loops and control method and device thereof |
| CN111425944A (en) * | 2020-04-14 | 2020-07-17 | 宁波奥克斯电气股份有限公司 | Fresh air conditioning system and control method thereof |
| CN112796996A (en) * | 2021-01-10 | 2021-05-14 | 青岛腾远设计事务所有限公司 | Scroll compressor |
| CN112815390A (en) * | 2021-01-15 | 2021-05-18 | 青岛腾远设计事务所有限公司 | Multi-split air conditioning system |
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Address after: 201206 Jinqiao Road, Pudong New Area Jinqiao Export Processing Zone, Shanghai, 1051 Patentee after: Shanghai Haili Electrical Appliance Co. Ltd. Address before: 201206 Pudong New Area Jinqiao Export Processing Zone, Nanjing Road, No. 888, Shanghai Patentee before: Rili Electric Appliance Co., Ltd., Shanghai |