CN206973952U - A kind of air-conditioning system - Google Patents
A kind of air-conditioning system Download PDFInfo
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- CN206973952U CN206973952U CN201720554532.9U CN201720554532U CN206973952U CN 206973952 U CN206973952 U CN 206973952U CN 201720554532 U CN201720554532 U CN 201720554532U CN 206973952 U CN206973952 U CN 206973952U
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Abstract
The application provides a kind of air-conditioning system, and the system includes compressor, the first outdoor heat exchange device assembly, the second outdoor heat exchanger component and at least one indoor heat exchanger；Each element is connected by pipeline.The first outdoor heat exchange device assembly, one end of the second outdoor heat exchanger component are connected in parallel to the exhaust outlet of the compressor by flow direction control valve respectively, and the other end is connected in parallel to the indoor heat exchanger by expansion valve respectively.The other end of the indoor heat exchanger is connected to the air inlet of the compressor, and check valve and magnetic valve are provided between the flow direction control valve, and the check valve is connected in parallel with the magnetic valve, and the 3rd expansion valve is provided between the outdoor heat exchange device assembly.The application is combined by valve member, realizes outdoor heat exchange device assembly when carrying out defrosting mode, without that from side draw heat is used, while also compressor will not be caused the risk of liquid hammer to be present, so as to not influence to use side temperature, is improved using side comfort level.
Description
Technical field
The application belongs to air-conditioning system technical field, more particularly to a kind of air-conditioning system for the defrosting that do not cool.
Background technology
When present heat pump air conditioner is run in the winter time, when environment temperature is less than 0 degree, the condensed water on fin will frosting.
When frosting reaches certain thickness, to ensure heating effect, heat pump air conditioner will be defrosted, i.e., four-way valve commutates, and unit enters
Row refrigerating operaton.Therefore just need, to side draw heat is used, indoor temperature or supply water temperature can be caused to reduce.To solve heat
Pump air-conditioning is caused when defrosting in the winter time to use side temperature fluctuation, and the conventional Defrost mode that do not cool is to heat in the market
When, by one accumulation of heat component of heating exhaust gas, when starting Rong Shuanshi, by extracting heat to accumulation of heat component to reach the mesh of defrosting
's.This method can cause system to increase an energy storage module, when not only increase product cost reduces normal heating mode simultaneously
Heating capacity, make the energy consumption of product increase.
The content of the invention
In view of this, the application provides a kind of air-conditioning system for the defrosting that do not cool.
A kind of air-conditioning system, the system include compressor, the first outdoor heat exchange device assembly, the second outdoor heat exchanger component and
At least one indoor heat exchanger；Each element is connected by pipeline, and described first outdoor heat exchange device assembly one end passes through first
Flow direction control valve is connected to the exhaust outlet of the compressor, and the other end is connected to the indoor heat exchanger by the first expansion valve,
Described second outdoor heat exchanger component one end is connected to the exhaust outlet of the compressor by the second flow direction control valve, and the other end leads to
Cross the second expansion valve and be connected to the indoor heat exchanger；First flow direction control valve is in parallel with second flow direction control valve even
It is connected to the exhaust outlet of the compressor；First expansion valve, the second expansion valve are connected in parallel to the indoor heat exchanger, described
The 3rd expansion valve is provided between first outdoor heat exchange device assembly and the second outdoor heat exchanger component, the 3rd expansion valve
Both ends are connected with first expansion valve, the second expansion valve respectively, the other end of the indoor heat exchanger and the described second flow direction
Control valve connects and the air inlet of the compressor is connected to by pipeline, first flow direction control valve and the described second flow direction
Be provided with check valve and magnetic valve between control valve, first flow direction control valve connected with the check valve after with the magnetic valve
It is connected in parallel.
Alternatively, for four-way reversing valve, it has first mouth of pipe, second mouth of pipe, the 3rd pipe to first flow direction control valve
Mouth, the 4th mouth of pipe；Second flow direction control valve be four-way reversing valve its there is first mouth of pipe, second mouth of pipe, the 3rd mouth of pipe, the
Four mouths of pipe；
The 3rd mouth of pipe other end that one end of the check valve is connected to first flow direction control valve is connected to described
First mouth of pipe of two flow direction control valves.
Alternatively, one end of the magnetic valve is connected to first mouth of pipe other end of first flow direction control valve and is connected to
First mouth of pipe of second flow direction control valve.
Alternatively, gas-liquid separator, the gas-liquid separator are provided between the indoor heat exchanger and the compressor
One end be connected separately with the 4th mouth of pipe of first flow direction control valve and the 4th mouth of pipe of second flow direction control valve respectively
One end is connected with the air inlet of the compressor.
Alternatively, one end of the indoor heat exchanger is connected to the 3rd mouth of pipe of second flow direction control valve.
Alternatively, one end of the first outdoor heat exchange device assembly is connected to the second pipe of first flow direction control valve
Mouthful, the other end is connected with first expansion valve and the 3rd expansion valve respectively.
Alternatively, one end of the second outdoor heat exchanger component is connected to the second pipe of second flow direction control valve
Mouthful, the other end is connected with second expansion valve and the 3rd expansion valve respectively.
The technical scheme that embodiments herein provides can include the following benefits：
The application is combined by valve member, realizes heat pump air conditioner outdoor heat exchange device assembly when carrying out defrosting mode, without from
Using side draw heat, while also compressor will not be caused the risk of liquid hammer to be present, so as to not influence to use side temperature, improved
Use side comfort level.
Brief description of the drawings
Fig. 1 is the air-conditioning system structural representation shown in the exemplary embodiment of the application one.
Refrigerant flow direction schematic diagram when Fig. 2 is the cooling system operation shown in the exemplary embodiment of the application one.
Refrigerant flow direction schematic diagram when Fig. 3 is the system heating operation shown in the exemplary embodiment of the application one.
Fig. 4 freezes when being the first outdoor heat exchange device assembly Defrost operation of the system shown in the exemplary embodiment of the application one
Agent flows to schematic diagram.
Fig. 5 freezes when being the second outdoor heat exchanger component Defrost operation of the system shown in the exemplary embodiment of the application one
Agent flows to schematic diagram.
Embodiment
Here exemplary embodiment will be illustrated in detail, its example is illustrated in the accompanying drawings.Following description is related to
During accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawings represent same or analogous key element.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistent with the application.On the contrary, they be only with it is such as appended
The example of the consistent apparatus and method of some aspects be described in detail in claims, the application.
It is only merely for the purpose of description specific embodiment in term used in this application, and is not intended to be limiting the application.
" one kind " of singulative used in the application and appended claims, " described " and "the" are also intended to including majority
Form, unless context clearly shows that other implications.It is also understood that term "and/or" used herein refers to and wrapped
Containing the associated list items purpose of one or more, any or all may be combined.
As shown in figure 1, disclosing a kind of air-conditioning system in an exemplary implementation, the system includes compressor 1, the first Room
External heat exchanger component 2, the second outdoor heat exchanger component 3 and at least one indoor heat exchanger 4；Each element is connected by pipeline
Connect.
One end of the first outdoor heat exchange device assembly 2 is connected to the compressor 1 by the first flow direction control valve 20
Exhaust outlet 10, the other end of the first outdoor heat exchange device assembly 2 are connected to the indoor heat exchanger by the first expansion valve 21
4。
For four-way reversing valve, there is first flow direction control valve 20 first mouth of pipe 201, second mouth of pipe the 202, the 3rd to manage for it
The 203, the 4th mouth of pipe 204 of mouth；For four-way reversing valve, it has first mouth of pipe 301, second mouth of pipe to second flow direction control valve
302nd, the 3rd mouth of pipe 303, the 4th mouth of pipe 304.First mouth of pipe 201,301 is exhaust pipe mouth, and second mouth of pipe 202,302 is
Freeze the mouth of pipe, and the 3rd mouth of pipe 203,303 is the heating mouth of pipe, and the 4th mouth of pipe 204,304 is the return-air mouth of pipe.
One end of the second outdoor heat exchanger component 3 is connected to 1 machine of the compression by the second flow direction control valve 30
Exhaust outlet 10, the other end are connected to the indoor heat exchanger 4 by the second expansion valve 30；First flow direction control valve 20 and institute
State the exhaust outlet 10 that the second flow direction control valve 30 is connected in parallel to the compressor 1.First expansion valve 21, second expands
Valve 31 is connected in parallel to the indoor heat exchanger 4, the first outdoor heat exchange device assembly 2 and the second outdoor heat exchanger component
Be additionally provided with the 3rd expansion valve 5 between 3, the both ends of the 3rd expansion valve 5 respectively with first expansion valve 21, the second expansion valve
22 connections, the 3rd expansion valve 5 is between the outdoor heat exchange device assembly 2 of the first expansion valve 21 and first and institute after connection
State between the second expansion valve 31 and the second outdoor heat exchanger component 3.Described the first expansion valve, the second expansion valve, the 3rd expansion
Valve is electric expansion valve.
The other end of the indoor heat exchanger 4 is connected with second flow direction control valve 30 and is connected to by pipeline described
The air inlet 10 of compressor 1.Specifically, the other end of the indoor heat exchanger 4 is connected to second flow direction control valve 30
3rd mouth of pipe 303.Check valve 6 and magnetic valve are provided between first flow direction control valve 20 and second flow direction control valve 30
7, first flow direction control valve 20 is connected in parallel after being connected with the check valve 6 with the magnetic valve 7.
The port of export that the entrance point of the check valve 6 is connected to the 3rd mouth of pipe of first flow direction control valve is connected to institute
State first mouth of pipe 301 of the second flow direction control valve 30.
The other end of first mouth of pipe 201 that one end of the magnetic valve 7 is connected to first flow direction control valve 20 is connected to
First mouth of pipe 301 of second flow direction control valve 30.
It is provided with gas-liquid separator 8 between the indoor heat exchanger 4 and the compressor 1, the one of the gas-liquid separator 8
End is connected with the 4th mouth of pipe 204 of first flow direction control valve and the 4th mouth of pipe 304 of second flow direction control valve respectively
The other end is connected with the air inlet 11 of the compressor 1.
One end of the first outdoor heat exchange device assembly 2 is connected to second mouth of pipe 202 of first flow direction control valve 20,
The other end is connected with the expansion valve 31 of the first expansion valve 21 and the 3rd respectively.
One end of the second outdoor heat exchanger component 3 is connected to second mouth of pipe 302 of second flow direction control valve 30,
The other end is connected with the expansion valve 5 of the second expansion valve 31 and the 3rd respectively.
The several main working conditions of lower the application air-conditioning system are specifically introduced below in conjunction with Fig. 2 to Fig. 4：
As shown in Fig. 2 when system is in refrigeration normal operation：Electricity is in opening, the first flow direction control on magnetic valve 7
The flow direction control valve 30 of valve 20 and second processed is powered off, while the first expansion valve 21, the second expansion valve 31 are opened and automatically adjusted, and the 3rd is swollen
Swollen valve 5 is closed.The refrigerant of HTHP is discharged from the exhaust outlet of compressor 1, along where the first outdoor heat exchange device assembly 2
Pipeline and the place pipeline of the second outdoor heat exchanger component 3 divide two-way flowing to be pooled to the indoor heat exchanger 4.
Specifically, flowing through route along the place pipeline of the first outdoor heat exchange device assembly 2 is：Refrigerant is through described first-class
First mouth of pipe 201, second mouth of pipe 202 to control valve 20 is to the first outdoor heat exchange device assembly 2, again through the described first expansion
Valve 21 is collected to the indoor heat exchanger 4；Flowing through route along the place pipeline of the second outdoor heat exchanger component 3 is：Refrigerant
Through the magnetic valve 7, first mouth of pipe 301 of the second flow direction control valve 30, second mouth of pipe 302 to second outdoor heat exchanger
Component 3, it is collected to the indoor heat exchanger 4 through second expansion valve 31 again；The refrigerant of two pipeline is in the interior
Threeth mouth of pipe 303, fourth mouth of pipe of the refrigerant of low-temp low-pressure through the second flow direction control valve 30 are formed after collecting in heat exchanger 4
304 finally flow back to compressor 1 into gas-liquid separator 8.
As shown in figure 3, when system is in heating normal operation：The power-off of magnetic valve 7 is closed, the first flow direction control
It is electric on the flow direction control valve 30 of valve 20 and second processed, while the first expansion valve 21, the second expansion valve 31 are opened and automatically adjusted, the 3rd is swollen
Swollen valve 5 is closed.The refrigerant of HTHP is discharged from the exhaust outlet of compressor 1, first mouth of pipe through the first flow direction control valve 20
201st, the 3rd mouth of pipe 203, first mouth of pipe 301 of check valve 6 to second flow direction control valve 30, the 3rd mouth of pipe 303 enter institute
Indoor heat exchanger 4 is stated, the first outdoor heat exchange device assembly is diverted to through first expansion valve 21, the second expansion valve 31 after
2 and the second outdoor heat exchanger component 3；Subsequent second mouth of pipe of the refrigerant all the way through first flow direction control valve 20
202nd, the 4th mouth of pipe 204 flows back to compressor, second mouth of pipe 302, fourth mouth of pipe of the another way through second flow direction control valve 30
304 flow back to compressor.
As shown in figure 4, when the first outdoor heat exchange device assembly of system is in Defrost operation：
First flow direction control valve 20 powers off, electric on second flow direction control valve 30, and the magnetic valve 7 powers off, institute
State that the first expansion valve 21 is closed, second expansion valve 31 is closed, the 3rd expansion valve opens the air-breathing mistake according to compressor
Temperature automatically adjusts；The flow direction of refrigerant is specially：The refrigerant of HTHP is discharged from the exhaust outlet 10 of compressor 1, through institute
First mouth of pipe 201 for stating the first flow direction control valve 20 enters, and enters the first outdoor heat exchanger group through second mouth of pipe 202
Part 2, then through the 3rd expansion valve 5 to the second outdoor heat exchanger component 3, then through second flow direction control valve 30
Second mouth of pipe 302, the 4th mouth of pipe 304 flow back to the compressor 1.
As shown in figure 5, when the second outdoor heat exchanger component of system is in Defrost operation：
Electric on first flow direction control valve 20, second flow direction control valve 30 powers off, and the magnetic valve 7 powers off, institute
State that the first expansion valve 21 is closed, second expansion valve 31 is closed, the 3rd expansion valve opens the air-breathing mistake according to compressor
Temperature automatically adjusts；The flow direction of refrigerant is specially：
The refrigerant of HTHP is discharged from the exhaust outlet 10 of compressor 1, and first through first flow direction control valve 20
The mouth of pipe 201 enters, and the check valve 6, then described through second flow direction control valve 30 are flowed to through the 3rd mouth of pipe 203
One mouth of pipe 301, second mouth of pipe 302 enter the second outdoor heat exchanger component 3, then through the 3rd expansion valve 5 to described the
One outdoor heat exchange device assembly 2, then second mouth of pipe 202, the 4th mouth of pipe 204 through first flow direction control valve 20 flow back to described
Compressor 1.
The system has been provided with the defrosting initial temperature of system in the starting stage；System constantly sensing chamber under operating condition
The coil temperature of external heat exchanger component；According to the coil temperature of detection and the comparative result of the defrosting initial temperature of default,
Judge whether to enter Defrost operation；If system starts Defrost operation, the coil pipe of outdoor heat exchange device assembly is judged after a period of time
Whether temperature meets to exit defrosting condition, terminates Defrost operation if meeting, otherwise continue Defrost operation.Defrost operation
Condition could be arranged to multiple be not specifically limited herein.
If outdoor heat exchange device assembly 2 and outdoor heat exchange device assembly 3 reach defrosting condition simultaneously, judging distance last time removes
The time, longer preferential was defrosted at the end of frost, and another outdoor heat exchange device assembly enters defrosting and waited.Treat previous room
After the defrosting of external heat exchanger component terminates, the outdoor heat exchange device assembly of defrosting is waited to enter defrosting mode.If two heat exchanger groups
Part reach simultaneously defrosting condition and apart from last time defrosting interval time it is also identical, then outdoor heat exchange device assembly 2 is first defrosted, room
External heat exchanger component 3 enters defrosting and waited.
These are only the preferred embodiment of the application, not to limit the application, it is all in spirit herein and
Within principle, any modification, equivalent substitution and improvements done etc., it should be included within the scope of the application protection.
Claims (7)
1. a kind of air-conditioning system, it is characterised in that the system includes compressor, the first outdoor heat exchange device assembly, second Room and changed outside
Hot device assembly and at least one indoor heat exchanger；Each element is connected by pipeline, the first outdoor heat exchange device assembly one
End is connected to the exhaust outlet of the compressor by the first flow direction control valve, and the other end is connected to the room by the first expansion valve
Interior heat exchanger, described second outdoor heat exchanger component one end are connected to the exhaust of the compressor by the second flow direction control valve
Mouthful, the other end is connected to the indoor heat exchanger by the second expansion valve；First flow direction control valve and the described second flow direction
Control valve is connected in parallel to the exhaust outlet of the compressor；First expansion valve, the second expansion valve are connected in parallel to the room
Interior heat exchanger, the 3rd expansion valve, institute are provided between the first outdoor heat exchange device assembly and the second outdoor heat exchanger component
The both ends for stating the 3rd expansion valve are connected with first expansion valve, the second expansion valve respectively, the other end of the indoor heat exchanger
It is connected with second flow direction control valve and the air inlet of the compressor is connected to by pipeline, first flow direction control valve
Check valve and magnetic valve are provided between second flow direction control valve, first flow direction control valve is connected with the check valve
It is connected in parallel afterwards with the magnetic valve.
2. air-conditioning system according to claim 1, it is characterised in that first flow direction control valve be four-way reversing valve its
With first mouth of pipe, second mouth of pipe, the 3rd mouth of pipe, the 4th mouth of pipe；For four-way reversing valve, it has second flow direction control valve
First mouth of pipe, second mouth of pipe, the 3rd mouth of pipe, the 4th mouth of pipe；
The 3rd mouth of pipe other end that one end of the check valve is connected to first flow direction control valve is connected to the second
To first mouth of pipe of control valve.
3. air-conditioning system according to claim 2, it is characterised in that one end of the magnetic valve is connected to described first-class
Second flow direction control valve is connected to first mouth of pipe other end of control valve
First mouth of pipe.
4. air-conditioning system according to claim 2, it is characterised in that set between the indoor heat exchanger and the compressor
Be equipped with gas-liquid separator, one end of the gas-liquid separator respectively with the 4th mouth of pipe of first flow direction control valve and described
The 4th mouth of pipe connection other end of two flow direction control valves is connected with the air inlet of the compressor.
5. air-conditioning system according to claim 2, it is characterised in that one end of the indoor heat exchanger is connected to described
3rd mouth of pipe of two flow direction control valves.
6. air-conditioning system according to claim 2, it is characterised in that one end connection of the first outdoor heat exchange device assembly
To second mouth of pipe of first flow direction control valve, the other end is connected with first expansion valve and the 3rd expansion valve respectively.
7. air-conditioning system according to claim 2, it is characterised in that one end connection of the second outdoor heat exchanger component
To second mouth of pipe of second flow direction control valve, the other end is connected with second expansion valve and the 3rd expansion valve respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720554532.9U CN206973952U (en) | 2017-05-18 | 2017-05-18 | A kind of air-conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720554532.9U CN206973952U (en) | 2017-05-18 | 2017-05-18 | A kind of air-conditioning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206973952U true CN206973952U (en) | 2018-02-06 |
Family
ID=61409932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720554532.9U Active CN206973952U (en) | 2017-05-18 | 2017-05-18 | A kind of air-conditioning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206973952U (en) |
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2017
- 2017-05-18 CN CN201720554532.9U patent/CN206973952U/en active Active
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