CN209459111U - A kind of VRF Air Conditioning System of three-stage - Google Patents
A kind of VRF Air Conditioning System of three-stage Download PDFInfo
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- CN209459111U CN209459111U CN201821802042.7U CN201821802042U CN209459111U CN 209459111 U CN209459111 U CN 209459111U CN 201821802042 U CN201821802042 U CN 201821802042U CN 209459111 U CN209459111 U CN 209459111U
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- heat exchange
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- compression set
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Abstract
The utility model provides a kind of VRF Air Conditioning System of three-stage, including outdoor heat exchange device, indoor heat-exchanger rig, compression set；Outdoor heat exchange device includes the first rack and multiple condensers being arranged in parallel in the first rack；Indoor heat-exchanger rig includes the second rack and multiple evaporators being arranged in parallel in the second rack；Compression set includes third rack and the compressor being arranged in third rack and control system；The outlet of compression set is connected by the entrance of exhaust connection and outdoor heat exchange device, the outlet of outdoor heat exchange device is connect by going out liquid connecting tube with the entrance of indoor heat-exchanger rig, and the outlet of indoor heat-exchanger rig is connected by the entrance of return-air connecting tube and compression set；Its is flexible for installation for the air-conditioner set, saves the area, high reliablity.
Description
Technical field
The utility model relates to refrigeration system technical field, in particular to a kind of VRF Air Conditioning System of three-stage.
Background technique
Traditional VRF Air Conditioning System is usually by one or the similar and different form of several outdoor unit sum number platforms, capacity
Direct-evaporation-type indoor unit constitute the single refrigeration circulatory system, it can to one or several regions directly offer processing after
Air.Traditional VRF Air Conditioning System is chiefly used in domestic or commercial kitchen area, is to be led in structure by outdoor unit and indoor unit
Connecting pipings is crossed to be formed by connecting, wherein being provided with a compressor in each outdoor unit, volume is big and price is high, and due to
It is provided with more complicated electric circuit in each outdoor unit, is easy to happen failure, reliability is lower.And it is traditional multi-joint
It is special to be unable to satisfy the special dimensions such as industry using production in enormous quantities pattern, set structure fixed single for formula air-conditioner set
The demand of property building structure, therefore in the rare use of the special dimensions such as industry.
As it can be seen that the prior art has much room for improvement and improves.
Utility model content
Place in view of above-mentioned deficiencies of the prior art, the purpose of this utility model is to provide a kind of multiples of three-stage
Air-conditioner set, it is flexible for installation, it saves the area, reliability is higher.
In order to achieve the above object, the utility model takes following technical scheme:
A kind of VRF Air Conditioning System of three-stage, including outdoor heat exchange device, indoor heat-exchanger rig, compression set；Room
Outer heat-exchanger rig includes the first rack and multiple condensers being arranged in parallel in the first rack；Indoor heat-exchanger rig includes second
Rack and multiple evaporators being arranged in parallel in the second rack；Compression set includes third rack and is arranged in third machine
Compressor and control system in frame；The outlet of compression set is connected by the entrance of exhaust connection and outdoor heat exchange device,
The outlet of outdoor heat exchange device is connect by going out liquid connecting tube with the entrance of indoor heat-exchanger rig, and the outlet of indoor heat-exchanger rig is logical
The entrance for crossing return-air connecting tube and compression set connects.
In the VRF Air Conditioning System of the three-stage, the outdoor heat exchange device further includes being arranged in the first rack
The first input pipe and the first efferent duct, all condensers are connected in parallel between the first input pipe and the first efferent duct, first
Input pipe is connected to the entrance of outdoor heat exchange device, the outlet of the first efferent duct and outdoor heat exchange device.
In the VRF Air Conditioning System of the three-stage, the interior heat-exchanger rig further includes being arranged in the second rack
The second input pipe and the second efferent duct, be connected in the second input pipe and second in parallel after one expansion valve of each evaporator series
Between efferent duct, the second input pipe is connected to the entrance of indoor heat-exchanger rig, the outlet of the second efferent duct and indoor heat-exchanger rig
Connection.
In the VRF Air Conditioning System of the three-stage, each condenser is in series with first solenoid valve, Mei Gezheng
Hair device is in series with a second solenoid valve；First solenoid valve and second solenoid valve are electrically connected with control system.
In the VRF Air Conditioning System of the three-stage, close to the outlet of interior heat-exchanger rig on second efferent duct
One end be provided with a device for drying and filtering.
In the VRF Air Conditioning System of the three-stage, the compression set further includes being arranged at suction port of compressor
Gas-liquid separator.
In the VRF Air Conditioning System of the three-stage, the compression set further includes a four-way reversing valve, compression
The outlet of the entrance and exit, compressor of device, the entrance of gas-liquid separator are connect with each connector of four-way reversing valve respectively, pressure
Contracting machine can convey refrigerant to the outlet of compression set by four-way reversing valve, can also be by four-way reversing valve to compression set
Entrance conveys refrigerant；Four-way reversing valve and control system are electrically connected.
In the VRF Air Conditioning System of the three-stage, the both ends of the exhaust connection, the both ends for going out liquid connecting tube
And the both ends of return-air connecting tube are detachable connection structure.
The utility model has the advantages that
The utility model provides a kind of VRF Air Conditioning System of three-stage, and all condensers are integrated into independent room
It, can be according to specific building when installation compressor and control system integration into independent compression set in outer heat-exchanger rig
Outdoor heat exchange device, compression set, indoor heat-exchanger rig are installed to different location by structure, and flexible for installation, compressor set can
It is located proximate to indoor heat-exchanger rig with selection, shortens return line length, reduces the too long bring oil return difficulty of muffler and property
It can weaken, space utilization rate is high, saves the area, and essential electrical circuit concentrates in compression set, in outdoor heat exchange device
Electric circuit is simple, high reliablity.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the VRF Air Conditioning System of three-stage provided by the utility model.
Fig. 2 is the structural representation of outdoor heat exchange device in the VRF Air Conditioning System of three-stage provided by the utility model
Figure.
Fig. 3 is the structural schematic diagram of compression set in the VRF Air Conditioning System of three-stage provided by the utility model.
Fig. 4 is the structural representation of indoor heat-exchanger rig in the VRF Air Conditioning System of three-stage provided by the utility model
Figure.
Specific embodiment
The utility model provides a kind of VRF Air Conditioning System of three-stage, to make the purpose of this utility model, technical side
Case and effect are clearer, clear, and the utility model is further described as follows in conjunction with drawings and embodiments.It should manage
Solution, specific embodiment described herein only to explain the utility model, are not used to limit the utility model.
Please refer to Fig. 1-4, a kind of VRF Air Conditioning System of three-stage provided by the utility model, including outdoor heat exchange dress
Set A, indoor heat-exchanger rig B, compression set C；Outdoor heat exchange device A includes the first rack (not having picture in figure) and multiple is arranged in parallel
Condenser A1 in the first rack；Indoor heat-exchanger rig B includes the second rack (not having picture in figure) and multiple is arranged in parallel the
Evaporator B1 in two racks；Compression set C includes third rack (not having picture in figure) and the compression that is arranged in third rack
Machine C1 and control system；The outlet C2 of compression set passes through the entrance A2 connection of exhaust connection D and outdoor heat exchange device, outdoor
The outlet A3 of heat-exchanger rig is connect by going out liquid connecting tube E with the entrance B2 of indoor heat-exchanger rig, the outlet of indoor heat-exchanger rig
B3 passes through the entrance C3 connection of return-air connecting tube F and compression set.
When work, refrigerant enters pressure by return-air connecting tube indoors in the evaporator of heat-exchanger rig after heat absorption evaporation
Compression apparatus is simultaneously compressed by compressor, and the high-temperature exhaust air of compressor enters the condensation of outdoor heat exchange device by exhaust connection
It is cooled down in device, refrigerant after cooling transports to indoor heat-exchanger rig by going out liquid connecting tube, so recycles.
The air-conditioner set is integrated into all condensers in independent outdoor heat exchange device, compressor and control system collection
At into independent compression set, when installation, can be changed outdoor heat exchange device, compression set, interior according to specific building structure
Thermal is installed to different location, flexible for installation, and compressor set, which can choose, is located proximate to indoor heat-exchanger rig, shortens return-air
Length of pipe reduces the too long bring oil return difficulty of muffler and impaired performance, and space utilization rate is high, saves the area, and main
Electric circuit concentrates in compression set, and the electric circuit in outdoor heat exchange device is simple, high reliablity.
The control system specifically includes PLC controller and corresponding control circuit, and compressor electrically connects with control system
It connects；The compressor is chosen as but is not limited to rotor-type compressor, scroll compressor, screw compressor, centrifugal compressor
Machine；The condenser is chosen as but is not limited to air cooled condenser, water cooled condenser, evaporation refrigeration type condenser, is selected as wind
When air-cooled condenser, it is additionally provided with blower in outdoor heat exchange device, is also set in outdoor heat exchange device when being selected as water cooled condenser
It is equipped with water pump.
Although what is drawn in Fig. 1 is to have a case where outdoor heat exchange device A and interior heat-exchanger rig B,
The application is not limited to the form of only one outdoor heat exchange device A and an indoor heat-exchanger rig B, can be set as needed more
A outdoor heat exchange device and multiple indoor heat-exchanger rigs, at this point, the entrance A2 of all outdoor heat exchange devices is connected in parallel in exhaust
The end of connecting tube D, the outlet A3 of all outdoor heat exchange devices are connected in parallel in out one end of liquid connecting tube E, and all interiors are changed
The entrance B2 of thermal is connected in parallel in out the other end of liquid connecting tube E, and the outlet B3 of all interior heat-exchanger rigs is connected in parallel
In the end of return-air connecting tube F.Equally, compression set C can also be arranged in parallel multiple, and all outlet ports C2 is connected to exhaust at this time
The end of connecting tube D, all entrance C3 are connected to the end of return-air connecting tube F.
Specifically, see Fig. 2, the outdoor heat exchange device A further include the first input pipe A4 being arranged in the first rack and
First efferent duct A5, all condenser A1 are connected in parallel between the first input pipe and the first efferent duct, the first input pipe and room
The entrance A2 of outer heat-exchanger rig is connected to, and the first efferent duct is connected to the outlet A3 of outdoor heat exchange device.Here, the first input pipe and
First efferent duct is the mainstream of refrigerant, and each condenser is the tributary of refrigerant, is connected with each condenser each by independent tubes
It is connected to entrance A2 and is compared with the structure for exporting A3, pipeline configuration is simpler, can simplify the distributed architecture of pipeline.
Further, see Fig. 4, the interior heat-exchanger rig B further includes the second input pipe B4 being arranged in the second rack
It connects with the second efferent duct B5, each evaporator B1 and is connected in the second input pipe and the second efferent duct in parallel after an expansion valve B6
Between, the second input pipe is connected to the entrance B2 of indoor heat-exchanger rig, and the outlet B3 of the second efferent duct and indoor heat-exchanger rig connects
It is logical.Here, the second input pipe and the second efferent duct are the mainstream of refrigerant, and each evaporator is the tributary of refrigerant, with evaporator
It is connected to entrance B2 each by independent tubes to compare with the structure for exporting B3, pipeline configuration is simpler, can simplify pipe
The distributed architecture in road.
In the present embodiment, each condenser A1 is in series with one first solenoid valve A6, each evaporator B1 and is in series with one
Second solenoid valve B7；First solenoid valve and second solenoid valve are electrically connected with control system.It, can root in realizing use process
Factually now need to open the first solenoid valve and second solenoid valve of respective numbers, at the condenser and evaporator to enable corresponding number
In working condition, to adjust refrigerant level.
Preferably, one end of the outlet B3 of interior heat-exchanger rig is provided with a drying on the second efferent duct B5
Filter B 8 prevents them from entering compressor and damaging compressor to filter the water and impurity in refrigerant.
Specifically, seeing Fig. 3, the compression set C further includes the gas-liquid separator C4 that the inlet compressor C1 is arranged in.It should
Gas-liquid separator prevents it from entering compressor and causes liquid hammer for the refrigerant of liquid to be separated.
Preferably, the compression set C further includes a four-way reversing valve C5, the entrance C3 and outlet C2 of compression set,
The outlet of compressor C1, the entrance of gas-liquid separator C4 are connect with each connector of four-way reversing valve respectively, and compressor can pass through four
Logical reversal valve conveys refrigerant to the outlet C2 of compression set, can also be conveyed by four-way reversing valve to the entrance C3 of compression set
Refrigerant；Four-way reversing valve and control system are electrically connected.By the commutation function of four-way reversing valve, it can be achieved that indoor refrigeration
The selection for the working condition that can freeze and heat as needed with the conversion of heating, user.
In addition, the both ends of the exhaust connection D, the out both ends of liquid connecting tube E and the both ends of return-air connecting tube F are can
It is detachably connected with structure.When the specific installation site of outdoor heat exchange device A, indoor heat-exchanger rig B, compression set C need to change
When, the exhaust connection D of replaceable corresponding length, go out liquid connecting tube E, return-air connecting tube F, strong flexibility.
It is understood that for those of ordinary skills, can with technical solution according to the present utility model and
The design of its utility model is subject to equivalent substitution or change, and all these changes or replacement all should belong to the protection of the utility model
Range.
Claims (8)
1. a kind of VRF Air Conditioning System of three-stage, which is characterized in that including outdoor heat exchange device, indoor heat-exchanger rig, pressure
Compression apparatus；Outdoor heat exchange device includes the first rack and multiple condensers being arranged in parallel in the first rack；Indoor heat exchange dress
It sets including the second rack and multiple evaporators being arranged in parallel in the second rack；Compression set includes third rack, Yi Jishe
Set compressor and control system in third rack；The outlet of compression set passes through exhaust connection and outdoor heat exchange device
The outlet of entrance connection, outdoor heat exchange device is connect by going out liquid connecting tube with the entrance of indoor heat-exchanger rig, indoor heat exchange dress
The outlet set is connected by the entrance of return-air connecting tube and compression set.
2. the VRF Air Conditioning System of three-stage according to claim 1, which is characterized in that the outdoor heat exchange device is also
Including the first input pipe and the first efferent duct being arranged in the first rack, all condensers be connected in parallel the first input pipe and
Between first efferent duct, the first input pipe is connected to the entrance of outdoor heat exchange device, the first efferent duct and outdoor heat exchange device
Outlet.
3. the VRF Air Conditioning System of three-stage according to claim 2, which is characterized in that the interior heat-exchanger rig is also
It is in parallel after one expansion valve of each evaporator series to connect including the second input pipe and the second efferent duct being arranged in the second rack
It connects between the second input pipe and the second efferent duct, the second input pipe is connected to the entrance of indoor heat-exchanger rig, the second efferent duct
With the outlet of indoor heat-exchanger rig.
4. the VRF Air Conditioning System of three-stage according to claim 3, which is characterized in that each condenser is in series with one
A first solenoid valve, each evaporator series have a second solenoid valve；First solenoid valve and second solenoid valve are with control
System is electrically connected.
5. the VRF Air Conditioning System of three-stage according to claim 3, which is characterized in that connect on second efferent duct
One end of the outlet of nearly interior heat-exchanger rig is provided with a device for drying and filtering.
6. the VRF Air Conditioning System of three-stage according to claim 1, which is characterized in that the compression set further includes
Gas-liquid separator at suction port of compressor is set.
7. the VRF Air Conditioning System of three-stage according to claim 6, which is characterized in that the compression set further includes
One four-way reversing valve, the outlet of entrance and exit, compressor of compression set, the entrance of gas-liquid separator are changed with four-way respectively
To each connector connection of valve, compressor can convey refrigerant to the outlet of compression set by four-way reversing valve, can also pass through four
Logical reversal valve conveys refrigerant to the entrance of compression set；Four-way reversing valve and control system are electrically connected.
8. the VRF Air Conditioning System of three-stage according to claim 1, which is characterized in that the two of the exhaust connection
The both ends at end, the both ends for going out liquid connecting tube and return-air connecting tube are detachable connection structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821802042.7U CN209459111U (en) | 2018-11-02 | 2018-11-02 | A kind of VRF Air Conditioning System of three-stage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821802042.7U CN209459111U (en) | 2018-11-02 | 2018-11-02 | A kind of VRF Air Conditioning System of three-stage |
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| CN209459111U true CN209459111U (en) | 2019-10-01 |
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| CN201821802042.7U Active CN209459111U (en) | 2018-11-02 | 2018-11-02 | A kind of VRF Air Conditioning System of three-stage |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109539406A (en) * | 2018-11-02 | 2019-03-29 | 广东申菱环境系统股份有限公司 | A kind of VRF Air Conditioning System of three-stage |
-
2018
- 2018-11-02 CN CN201821802042.7U patent/CN209459111U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109539406A (en) * | 2018-11-02 | 2019-03-29 | 广东申菱环境系统股份有限公司 | A kind of VRF Air Conditioning System of three-stage |
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