CN206637900U - Air conditioning system - Google Patents
Air conditioning system Download PDFInfo
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- CN206637900U CN206637900U CN201720291524.XU CN201720291524U CN206637900U CN 206637900 U CN206637900 U CN 206637900U CN 201720291524 U CN201720291524 U CN 201720291524U CN 206637900 U CN206637900 U CN 206637900U
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 114
- 206010008469 Chest discomfort Diseases 0.000 claims description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- 230000008859 change Effects 0.000 claims description 16
- 239000004744 fabric Substances 0.000 claims description 4
- 238000009826 distribution Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 13
- 238000010257 thawing Methods 0.000 abstract description 6
- 238000010438 heat treatment Methods 0.000 description 25
- 239000003507 refrigerant Substances 0.000 description 20
- 238000005057 refrigeration Methods 0.000 description 13
- 238000010586 diagram Methods 0.000 description 10
- 230000005611 electricity Effects 0.000 description 10
- 238000009434 installation Methods 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 4
- 238000007789 sealing Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002671 adjuvant Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001568 sexual effect Effects 0.000 description 1
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- Air Conditioning Control Device (AREA)
Abstract
The utility model discloses an air conditioning system, include: the indoor heat exchanger, the switching module and at least two outdoor heat exchanger branches; the outdoor heat exchanger branch comprises an outdoor heat exchanger and a first throttling device which are connected in series, and the first throttling device is connected with the indoor heat exchanger; the switching module includes: and the first reversing valves are in one-to-one correspondence with the outdoor heat exchanger branches and enable the outdoor heat exchanger branches and the indoor heat exchanger to be switched between series connection and parallel connection. The air conditioning system improves the defrosting effect on the basis of heat supply during defrosting; meanwhile, the pipeline structure of the whole air conditioning system is simpler, and the control system of the whole air conditioning system is also simplified.
Description
Technical field
Air-conditioning technical field is the utility model is related to, more specifically to a kind of air-conditioning system.
Background technology
For air-conditioning system in heating mode, outdoor heat exchanger temperature is relatively low, is easier to the problem of frosting occur.Work as outdoor heat exchange
Device frosting to a certain extent when, heat exchange efficiency decline, now need carry out defrost.
At present, conventional defrosting method is：Air-conditioning is changed to refrigeration mode, defrost is carried out to outdoor heat exchanger, now,
Indoor fan is out of service to prevent the cold wind under refrigerating state from getting in, then air-conditioning can not be heated during defrost,
Indoor temperature decreases, and the comfort level that user uses is poor.
In order to improve the comfort level that user uses, heat supply is realized during defrost, is connected using two outdoor heat exchangers
Connection, and two outdoor heat exchangers alternately realize evaporator mode, condenser modes by valve and pipeline, are changing so as to realize
Continue heat supply when white.
In said structure, two outdoor heat exchangers are connected with indoor heat exchanger, then are entered by the refrigerant of indoor heat exchanger
Enter outdoor heat exchanger and carry out defrost, because refrigerant is radiated through indoor heat exchanger, then into outdoor heat exchanger
The refrigerant temperature of frost is relatively low, and defrost effect is poor.
In summary, how in defrost on the basis of heat supply, improve defrost effect, be current those skilled in the art urgently
The problem of to be solved.
Utility model content
The purpose of this utility model is to provide a kind of air-conditioning system, in defrost on the basis of heat supply, improves defrost effect.
To achieve these goals, the utility model provides following technical scheme：
A kind of air-conditioning system, including：Indoor heat exchanger, handover module and at least two outdoor heat exchanger branch roads；
Wherein, the outdoor heat exchanger branch road includes the outdoor heat exchanger and first throttle device of series connection, the first segment
Stream device is connected with the indoor heat exchanger；
The handover module includes：Corresponded with the outdoor heat exchanger branch road, and make the outdoor heat exchanger branch road
And the first reversal valve that the indoor heat exchanger switches between series connection and parallel connection.
Preferably, the handover module also includes：For making the outdoor heat exchanger branch road and the indoor heat exchanger simultaneously
The parallel pipeline of connection, for the series pipe for making the outdoor heat exchanger branch road be connected with the indoor heat exchanger；
First reversal valve is by switching the parallel pipeline and the series pipe and the outdoor heat exchanger branch road
Connection to switch the connection status of the outdoor heat exchanger branch road and the indoor heat exchanger.
Preferably, the parallel pipeline is with being connected the reversing arrangement of the air-conditioning system and the pipeline of the indoor heat exchanger
It is connected, or the parallel pipeline is connected with being connected the pipeline of exhaust outlet of compressor and the reversing arrangement.
Preferably, first reversal valve is two-position three-way valve, the room when two-position three-way valve is in the first valve position
External heat exchanger branch road and the indoor heat exchanger are in parallel；The outdoor heat exchanger branch when two-position three-way valve is in the second valve position
Road and indoor heat exchanger series connection.
Preferably, first reversal valve includes main valve and control assembly；
The main valve includes valve body and the valve element in the valve body, and the valve element is connected with the valve seal and will
The inner chamber of the valve body is divided into high pressure chest and working chamber；
The valve body has the high pressure valve port and at least two works isolated with the high pressure chest with high pressure chest connection
Make valve port, the high pressure valve port is with being connected the reversing arrangement of the air-conditioning system and the pipeline connection of exhaust outlet of compressor；
The control assembly controls the valve core movement to change the connected state of the work valve port.
Preferably, the valve element has the conducting structure and plugging structure being respectively positioned in the working chamber, the control group
Part controls the valve core movement so that the conducting structure changes the connected state of the work valve port, and the plugging structure is used for
Block the work valve port not connected with the conducting structure.
Preferably, the work valve port is three, the respectively first work valve port, the second work valve port and the 3rd operating valve
Mouthful；
Wherein, when the valve element is in the first valve position, the first work valve port and the second work valve port pass through
The conducting structure connection, the 3rd work valve port are closed by the plugging structure, the indoor heat exchanger and the outdoor
Heat exchanger branch road is connected；
When the valve element is in the second valve position, the second work valve port is led with the described 3rd work valve port by described
Logical fabric connectivity, the first work valve port are closed by the plugging structure, the indoor heat exchanger and the outdoor heat exchanger
Branch circuit parallel connection.
Preferably, the control assembly includes pilot valve and magnet coil, wherein, guide described in the solenoid controlled
Valve replacement valve position is to control the main valve to change valve position.
Preferably, the pilot valve has the first valve port, the second valve port, the 3rd valve port and the 4th valve port, the pilot valve
The first valve port connected with the high pressure valve port, the of the pilot valve in the case where the magnet coil obtains electric and/or power failure state
Three valve ports connect with the low pressure line of the air-conditioning system, the second valve port of the pilot valve and the 4th valve port of the pilot valve
Connected respectively with two driving chambers of the valve body, two driving chambers are located at the both sides of the valve element respectively；
When the pilot valve is in the first valve position, the first valve port of the pilot valve connects with the 4th valve port of the pilot valve
Logical, the second valve port of the pilot valve connects with the 3rd valve port of the pilot valve, and the valve element is in the first valve position；The elder generation
When pilot valve is in the second valve position, the first valve port of the pilot valve connects with the second valve port of the pilot valve, the pilot valve
The 3rd valve port connected with the 4th valve port of the pilot valve, the valve element is in the second valve position；
Wherein, the pressure in the low pressure line is less than the intraoral pressure of the high pressure valve.
Preferably, when the magnet coil is in power failure state, the pilot valve is in the first valve position.
Preferably, the 3rd valve port of the pilot valve connects with the described first work valve port.
Preferably, the valve element is baffle arrangement.
Preferably, above-mentioned air-conditioning system also includes：The second throttling device of the outdoor heat exchanger branch road is serially connected with, it is described
Second throttling device and the first throttle device are respectively arranged on the both ends of the outdoor heat exchanger.
Preferably, the outdoor heat exchanger is vertically sequentially distributed.
Preferably, above-mentioned air-conditioning system also includes for water receiving and drip tray, the auxiliary water receiving will be aided in derived from water
Disk is between two vertically adjacent outdoor heat exchangers.
Preferably, it is described auxiliary drip tray be obliquely installed relative to horizontal direction, and it is described auxiliary drip tray it is relatively low one
End is provided with osculum.
Preferably, the both ends of the auxiliary drip tray are below the middle part of the auxiliary drip tray, and the auxiliary water receiving
The both ends of disk are equipped with osculum.
Preferably, the reversing arrangement of the air-conditioning system is four-way valve.
Preferably, the reversing arrangement of the air-conditioning system includes the second reversal valve and the 3rd reversal valve, second commutation
First valve port of valve is connected with exhaust outlet of compressor, and the first valve port of the 3rd reversal valve is connected with compressor air suction mouth, institute
Second valve port of the second valve port and second reversal valve of stating the 3rd reversal valve is connected with the indoor heat exchanger, and described
3rd valve port of three reversal valves and the 3rd valve port of second reversal valve are connected with the outdoor heat exchanger branch road.
The defrost principle of air-conditioning system provided by the utility model：In defrost, the first reversal valve is adjusted so that treat defrost
Outdoor heat exchanger branch road it is in parallel with indoor heat exchanger, then enter from the HTHP refrigerant of compressor discharge and treat the outdoor of defrost
Heat exchanger, realize defrost；Other outdoor heat exchanger branch roads are controlled to be connected with indoor heat exchanger, then from indoor heat exchanger discharge
Refrigerant enters the outdoor heat exchanger of not defrost after the throttling of first throttle device, heat absorption evaporation is carried out, to ensure heat supply.
Air-conditioning system provided by the utility model, because the first reversal valve and outdoor heat exchanger branch road correspond, then can
Enough change the annexation (serial or parallel connection) of any one outdoor heat exchanger branch road and indoor heat exchanger using the first reversal valve,
It is achieved thereby that heat supply during defrost；Due to outdoor heat exchanger branch road it is in parallel with indoor heat exchanger when, from compressor discharge high temperature
High pressure refrigerant enters outdoor heat exchanger and carries out defrost, compared with the prior art, the temperature of defrost refrigerant is effectively increased, so as to carry
High defrost effect.Therefore, air-conditioning system provided by the utility model, in defrost on the basis of heat supply, defrost effect is improved
Fruit.
Meanwhile air-conditioning system provided by the utility model, outdoor heat exchanger branch road and interior are switched by the first reversal valve
The connection status of heat exchanger so that the pipeline structure of whole air-conditioning system is relatively simple, also simplify the control of whole air-conditioning system
System processed.
Brief description of the drawings
, below will be to embodiment or prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
The required accompanying drawing used is briefly described in description, it should be apparent that, drawings in the following description are only that this practicality is new
The embodiment of type, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to carrying
The accompanying drawing of confession obtains other accompanying drawings.
Fig. 1 is a kind of schematic diagram for the air-conditioning system that the utility model embodiment provides；
Fig. 2 is in schematic diagram during refrigeration mode for air-conditioning system in Fig. 1；
Fig. 3 is in schematic diagram during heating mode for air-conditioning system in Fig. 1；
Schematic diagram when Fig. 4 is an outdoor heat exchanger defrost of air-conditioning system in Fig. 1；
Schematic diagram when Fig. 5 is another outdoor heat exchanger defrost of air-conditioning system in Fig. 1；
Fig. 6 is another schematic diagram for the air-conditioning system that the utility model embodiment provides；
Fig. 7 is in schematic diagram during refrigeration mode for air-conditioning system in Fig. 6；
Fig. 8 is in schematic diagram during heating mode for air-conditioning system in Fig. 6；
Schematic diagram when Fig. 9 is an outdoor heat exchanger defrost of air-conditioning system in Fig. 6；
Schematic diagram when Figure 10 is another outdoor heat exchanger defrost of air-conditioning system in Fig. 6；
Figure 11 is structural representation when a kind of valve element for first reversal valve that Fig. 6 is middle air-conditioning system is located at first position
Figure；
Figure 12 is located at the structural representation during second place for the valve element of the first reversal valve in Figure 11；
Figure 13 is the structural representation of main valve in Figure 12；
Figure 14 is the structural representation when valve element for the reversal valve of another kind first that Fig. 6 is middle air-conditioning system is located at first position
Figure；
Figure 15 is located at the structural representation during second place for the valve element of the first reversal valve in Figure 14；
Figure 16 is the structural representation of main valve in Figure 14；
Figure 17 is a kind of scheme of installation that drip tray is aided in the air-conditioning system that the utility model embodiment provides；
Figure 18 is another scheme of installation that drip tray is aided in the air-conditioning system that the utility model embodiment provides；
Figure 19 is another scheme of installation that drip tray is aided in the air-conditioning system that the utility model embodiment provides；
Figure 20 is the structural representation that drip tray is aided in the air-conditioning system that the utility model embodiment provides.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
The air-conditioning system that the utility model embodiment provides includes：Reversing arrangement 2, indoor heat exchanger 9, handover module, and
At least two outdoor heat exchanger branch roads.
Wherein, reversing arrangement 2 is used for the operational mode for controlling air-conditioning system, for example, by the commutation of reversing arrangement 2, it is real
Existing air-conditioning system is in refrigeration mode or heating mode.Indoor heat exchanger 9 is connected with reversing arrangement 2；Outdoor heat exchanger branch road
Outdoor heat exchanger 7 and first throttle device 8 including series connection, first throttle device 8 are connected with indoor heat exchanger 9.
Above-mentioned handover module includes：Corresponded with outdoor heat exchanger branch road, and change outdoor heat exchanger branch road and interior
The first reversal valve 11 that hot device 9 switches between series connection and parallel connection.
Specifically, the number of the first reversal valve 11 is identical with the number of outdoor heat exchanger branch road, it is to be understood that any
Two the first reversal valves 11 are relatively independent, i.e., the valve position residing for each first reversal valve 11 is independent of each other.
The defrost principle for the air-conditioning system that the utility model embodiment provides：In defrost, the first reversal valve 11 is adjusted, is made
Outdoor heat exchanger branch road where the outdoor heat exchanger 7 of defrost must be treated is in parallel with indoor heat exchanger 9, then is discharged from compressor 1
HTHP refrigerant enters the outdoor heat exchanger 7 for treating defrost, realizes defrost；Other outdoor heat exchanger branch roads are controlled to be changed with interior
Hot device 9 is connected, then enters the outdoor heat exchange of not defrost after the throttling of first throttle device 8 from the refrigerant that indoor heat exchanger 9 is discharged
Device 7, heat absorption evaporation is carried out, to ensure heat supply.
The air-conditioning system that the utility model embodiment provides, due to a pair of the first reversal valve 11 and outdoor heat exchanger branch road 1
Should, then the first reversal valve 11 can be utilized to change the annexation string of any one outdoor heat exchanger branch road and indoor heat exchanger 9
Connection is in parallel, it is achieved thereby that heat supply during defrost；Due to outdoor heat exchanger branch road it is in parallel with indoor heat exchanger 9 when, from compressor 1
The HTHP refrigerant of discharge enters outdoor heat exchanger 7 and carries out defrost, compared with the prior art, effectively increases defrost refrigerant
Temperature, so as to improve defrost effect.Therefore, the air-conditioning system that the utility model embodiment provides, the base of heat supply in defrost
On plinth, defrost effect is improved.
Meanwhile the air-conditioning system that the utility model embodiment provides, outdoor heat exchanger branch is switched by the first reversal valve 11
Road and the connection status of indoor heat exchanger 9 so that the pipeline structure of whole air-conditioning system is relatively simple, also simplify whole air-conditioning
The control system of system.
In actual application, under the operational mode of air-conditioning system, at least one outdoor heat exchanger 7 and indoor heat exchange
Device 9 is connected.
For the ease of switching, above-mentioned handover module also includes：For making outdoor heat exchanger branch road in parallel with indoor heat exchanger 9
Parallel pipeline 3, for the series pipe 4 for making outdoor heat exchanger branch road be connected with indoor heat exchanger 9.
Above-mentioned first reversal valve 11 by switch the connection of parallel pipeline 3 and series pipe 4 and outdoor heat exchanger branch road with
Switch the connection status of outdoor heat exchanger branch road and indoor heat exchanger 9.Herein, outdoor heat exchanger branch road and indoor heat exchanger 9
Connection status, refer to outdoor heat exchanger branch road and indoor heat exchanger 9 be in parallel and outdoor heat exchanger branch road and indoor heat exchanger 9
Series connection.
It is understood that parallel pipeline 3 and series pipe 4 are respectively positioned on one end of outdoor heat exchanger 7, first throttle device
8 are located outside the other end of heat exchanger 7.
In above-mentioned air-conditioning system, for parallel pipeline 3 and the number of series pipe 4 and the two and outdoor heat exchanger branch road
Corresponding relation, can be designed according to being actually needed.For example, parallel pipeline 3 and series pipe 4 with outdoor heat exchanger branch road
Correspond；Or parallel pipeline 3 and series pipe 4 be one or other.
Above-mentioned air-conditioning system, heated when can realize defrost.Specifically, at least one outdoor heat exchanger branch road changes with interior
Hot device 9 is in parallel, and at least one outdoor heat exchanger branch road is connected with indoor heat exchanger 9.For the ease of controlling, outside prioritizing selection room
Heat exchanger branch road replaces with indoor heat exchanger 9 in parallel and serial.Certainly, also can be according to being actually needed in actual application
Select all outdoor heat exchangers 7 while carry out defrost, be not limited only to heat during defrost.
All had differences for different territory of uses, different outdoor environment, required defrost time etc..In order to up to
To the demand of user, above-mentioned air-conditioning system is meeting that continuous heating, defrosting are non-stop-machine it is also possible to realize existing air-conditioning
White function, i.e. reversing arrangement 2 commutate, and realize that air-conditioning system is run in a chiller mode, quick defrost.
In above-mentioned air-conditioning system, for the concrete structure of the first reversal valve 11, selected according to being actually needed.In order to just
In control, above-mentioned first reversal valve 11 is two-position three-way valve, as Figure 1-5.
Above-mentioned two-position three-way valve turns on parallel pipeline 3 and outdoor heat exchanger branch road, i.e. outdoor heat exchange when being in the first valve position
Device branch road and indoor heat exchanger 9 are in parallel；Two-position three-way valve turns on series pipe 4 and outdoor heat exchanger branch when being in the second valve position
Road, i.e. outdoor heat exchanger branch road and indoor heat exchanger 9 are connected.
Specifically, parallel pipeline 3 connects with the first valve port of two-position three-way valve, series pipe 4 and the second of triple valve 11
Valve port connects, and outdoor heat exchanger branch road connects with the 3rd valve port of two-position three-way valve.When two-position three-way valve is in the first valve position,
First valve port of two-position three-way valve connects with the 3rd valve port of two-position three-way valve；When two-position three-way valve is in the second valve position, two
Second valve port of position three-way valve connects with the 3rd valve port of two-position three-way valve.
As Figure 1-5, the valve port H of the first valve port of two-position three-way valve, as two-position three-way valve；The of two-position three-way valve
The valve port L of two valve ports, as two-position three-way valve；The valve port G of 3rd valve port of two-position three-way valve, as two-position three-way valve.
As Figure 1-5, outdoor heat exchanger branch road is two, correspondingly, outdoor heat exchanger 7, handover module, first throttle
Device 8, two-position three-way valve are two.Certainly, outdoor heat exchanger branch road also may be selected is more than three, it is not limited to two
It is individual.
As shown in Fig. 2 when above-mentioned air-conditioning system is in refrigeration mode, reversing arrangement 2 is in refrigeration valve position, and air-conditioning system is just
Often operation, realizes the refrigeration to indoor environment.
As shown in figure 3, when above-mentioned air-conditioning system is in heating mode, reversing arrangement 2 is in heating valve position, indoor heat exchanger
9 roles for serving as condenser serve as the role of evaporator to indoor heat release, outdoor heat exchanger 7, realize the heating to indoor environment.
In air-conditioning system heating process, valve port L and valve port the G ends of two two-position three-way valves is connected, valve port H end seals are closed, and is realized empty
Adjust the normal operation of device.With the reduction of the temperature of outdoor heat exchanger 7, the frosting of outdoor heat exchanger 7, when its Guan Wen reaches defrost temperature
During angle value, two-bit triplet valve events are controlled, defrost separately or concurrently is carried out to two outdoor heat exchangers 7.Specifically control is for it：
As shown in figure 4, when individually the outdoor heat exchanger 7 on right side carries out defrost, air-conditioning system is in heating mode, remains left
The state that the valve port L of the two-position three-way valve of side is turned on valve port G, valve port H end seals are closed, the two-position three-way valve on right side is controlled to enter action
Make, make right side two-position three-way valve valve port H turned on valve port G, valve port L end seals are closed.Now, the outdoor heat exchanger 7 in left side is made
The operation of air-conditioning system heating condition is maintained for the role of evaporator, and the outdoor heat exchanger 7 on right side and indoor heat exchanger 9 are simultaneously
Connection, serves as the role of condenser, and the refrigerant temperature into the outdoor heat exchanger 7 on right side is higher, completes defrosting operation.
As shown in figure 5, when individually carrying out defrost to the outdoor heat exchanger 7 in left side, air-conditioning system be in heating mode, maintenance
The state that the valve port L of the two-position three-way valve on right side is turned on valve port G, valve port H end seals are closed, the two-position three-way valve in left side is controlled to carry out
Action, make left side two-position three-way valve valve port H ends turned on valve port G ends, valve port L end seals are closed.Now, the outdoor heat exchange on right side
Operation of the device 7 as role's maintenance air-conditioning system heating condition of evaporator, and the outdoor heat exchanger 7 and indoor heat exchanger in left side
9 is in parallel, serves as the role of condenser, and the refrigerant temperature into the outdoor heat exchanger 7 in left side is higher, completes defrosting operation.
For the ease of installation, above-mentioned parallel pipeline 3 is connected with being connected the pipeline of reversing arrangement 2 and indoor heat exchanger 9, or simultaneously
Union road 3 is connected with being connected the pipeline of exhaust outlet of compressor and reversing arrangement 2.
As shown in figure 1, the pipeline of connection reversing arrangement 2 and indoor heat exchanger 9 is the first connecting tube 5, compressor is connected
The pipeline of exhaust outlet and reversing arrangement 2 is the second connecting tube 6.
Certainly, valve port of the parallel pipeline 3 directly with reversing arrangement 2 also may be selected to be connected, it is not limited to above-described embodiment.
In above-mentioned air-conditioning system, the first reversal valve 11 can be also other structures, be not limited only to above-described embodiment and carry
And handover module structure.In above-mentioned air-conditioning system, the structure of the first reversal valve of any two 11 can be identical, also can be different.
In actual application, selected as needed, the utility model embodiment is not limited this.
Preferably, the first reversal valve 11 includes main valve 13 and control assembly, as illustrated in figures 11-16.
Above-mentioned main valve 13 includes valve body 16 and the valve element 17 in valve body 16.Above-mentioned valve element 17 is tightly connected with valve body 16
And the inner chamber of valve body 16 is divided into high pressure chest and working chamber.
Above-mentioned valve body 16 has the high pressure valve port and at least two work valve ports isolated with high pressure chest with high pressure chest connection,
High pressure valve port is with being connected the reversing arrangement 2 of air-conditioning system and the pipeline connection of exhaust outlet of compressor.It is understood that high pressure chest
For storing high pressure refrigerant, what high pressure chest was mutually isolated with working chamber, i.e., high pressure chest does not connect with working chamber；Any one work
Make valve port with high pressure chest to isolate.
Above-mentioned control assembly control valve element 17 is moved to change the connected state of work valve port, and plugging structure is used to block not
The work valve port connected with conducting structure.
It should be noted that in above-mentioned first reversal valve 11, when main valve 13 is in its any valve position, the refrigerant in working chamber
Pressure of the refrigerant in high pressure chest to valve element 17 is less than to the pressure of valve element 17, to ensure the sealed reliable of valve element 17 and valve body 16
Property.
The operation principle of above-mentioned first reversal valve 11 is：When needing commutation, control assembly control valve element 17 moves, and works as valve element
17 when moving to setting position, changes the work valve port of connection, realizes commutation.
Above-mentioned first reversal valve 11 is provided with high pressure chest and the high pressure valve port connected with high pressure chest, and the high pressure valve port is with being connected sky
The reversing arrangement 2 of adjusting system and the pipeline connection of exhaust outlet of compressor, then the high pressure refrigerant that compressor is discharged enters high pressure chest, high
Active force can be applied to valve element 17 by pressing the high pressure refrigerant of intracavitary, and the active force is towards working chamber so that valve element 17 and valve body
The inwall of 16 working chamber side is brought into close contact, and effectively increases sealing reliability.
For the ease of changing the connected state of work valve port, above-mentioned valve element 17 has the conducting structure being respectively positioned in working chamber
And plugging structure, control assembly control valve element 17 are moved so that conducting structure changes the connected state of work valve port, plugging structure
For blocking the work valve port not connected with conducting structure.
It is understood that valve element 17 moves, then conducting structure also moves therewith, and conducting structure position is different, leads
The work valve port of logical fabric connectivity is different, and therefore, valve element 17 moves the connected state that conducting structure can be made to change work valve port,
Change the valve position of main valve 1, that is, change the valve position of the first reversal valve 11.
Above-mentioned plugging structure can be to block chamber, or plugging plate, for the ease of blocking work valve port, prioritizing selection closure
Structure is closure chamber.
Above-mentioned conducting structure can be conduction pipe, or conducting chamber.Flowed for the ease of refrigerant and be easy to manufacture,
The above-mentioned conducting structure of prioritizing selection is conducting chamber.
As figs 11-13, valve element 17 includes：The side plate that both ends are tightly connected with valve body 16, it is tightly connected with side plate
Dividing plate；
Wherein, dividing plate includes：Main dividing plate and the secondary dividing plate being connected with main bulkhead seal, side plate and main dividing plate form high pressure
Chamber, main dividing plate and secondary dividing plate form conducting structure, and side plate, main dividing plate and secondary dividing plate form plugging structure.Now, plugging structure can
To block chamber, conducting structure is conducting chamber.
As illustrated in figures 14-16, valve element 17 includes：With valve body 16 be tightly connected dividing plate, both ends respectively with dividing plate and valve
The side plate that body 16 is tightly connected；
Wherein, dividing plate includes the first demarcation strip and the second demarcation strip, and side plate and the first demarcation strip form high pressure chest, high pressure chest
It is located at the both sides of first demarcation strip respectively with the second demarcation strip, side plate, the first demarcation strip and the second demarcation strip form conducting
Structure, the second demarcation strip have connectivity slot, and the connectivity slot forms conducting structure.
When valve element 17 is in its first valve position, as shown in figure 14, conducting structure does not play conducting effect, and connectivity slot is
Conducting structure, side plate are plugging structure；When valve element 17 is in its second valve position, as shown in figure 15, the second demarcation strip is closure
Structure, conducting structure serve conducting effect.In said structure, plugging structure is plugging plate, conducting structure and connectivity slot alternating
Serve conducting effect.
For the number of conducting structure and plugging structure, it is designed according to being actually needed.For example, work valve port is three
Individual, conducting structure is one, and plugging structure is two, and is divided along the direction of motion of valve element 17, two plugging structures
Cloth is located at the both sides of conducting structure.
It in above-mentioned first reversal valve 11, the rotatable movement of valve element 17, also may move, switch for the ease of realizing, ensure to change
To above-mentioned valve element 17 moves along a straight line, and specifically, control assembly control valve element 17 moves along a straight line.
Preferably, the valve port that works is three, the respectively first work valve port, the second work valve port and the 3rd work valve port.
In above-mentioned first reversal valve 11, when valve element 17 is in the first valve position, as shown in Figure 11, Figure 13, Figure 14 and Figure 16,
First work valve port and the second work valve port are connected by conducting structure, and the 3rd work valve port is closed by plugging structure, main valve 13
Series pipe 4 and outdoor heat exchanger branch road are turned on, i.e. outdoor heat exchanger branch road and indoor heat exchanger 9 is connected；When valve element 17 is in
During the second valve position, as shown in Figure 12 and Figure 15, the second work valve port is connected with the 3rd work valve port by conducting structure, the first work
Make valve port to be closed by plugging structure, main valve 13 turns on parallel pipeline 3 and outdoor heat exchanger branch road, i.e. outdoor heat exchanger branch road and room
Interior heat exchanger 9 is in parallel.
First work valve port of above-mentioned valve body 16 connects with series pipe 4, and the second work valve port of valve body 16 changes with outdoor
Hot device branch road connection, the 3rd work valve port of valve body 16 connect with parallel pipeline 3.
As illustrated in figures 11-16, the high pressure valve port of valve body 16 is valve port a, and the first work valve port of valve body 16 is valve port
B, the second work valve port of valve body 16 is valve port c, and the 3rd work valve port of valve body 16 is valve port d.
In air-conditioning system refrigeration and heating operations, the valve port b of the first reversal valve 11 connects with valve port c.In refrigeration mode,
Valve port b and valve port c is high pressure valve port, and valve port d is low pressure off-state, and valve port a maintains high pressure conditions all the time so that valve port
High pressure is more than bottom high-pressure to the pressure of valve element 17 with low pressure to the pressure of valve element 17 at a, realizes that valve element 17 reliably seals, prevents
The generation collaborated is stopped.In heating mode, valve port b and valve port c is low pressure valve port, and valve port d is high pressure off-state, and valve port
A maintains high pressure conditions all the time so that high pressure is more than pressure of the bottom high-pressure with low pressure to valve element 17 to the pressure of valve element 17 at valve port a
Power so that valve element 17 and the inwall of the working chamber side of valve body 16 are brought into close contact, and improve sealing reliability.
Connected for the ease of pipeline, the pipeline of above-mentioned connection exhaust outlet of compressor and reversing arrangement 2 passes through the 3rd connecting tube
12 are connected with the high pressure valve port of valve body 16, as shown in Figure 6.In order to simplify pipeline, the 3rd all connecting tubes 12 may be selected and pass through
More siphunculus are connected with the second connecting tube 6.More siphunculus are three-way pipe or four-way pipe etc..
It is understood that the pipeline of connection exhaust outlet of compressor and reversing arrangement 2 is the second connecting tube 6.
Above-mentioned control assembly can control valve element 17 to rotate, and also can control valve element 17 to move.For the ease of control, above-mentioned control
Component controls valve element 17 along rectilinear movement.Specifically, control assembly control valve element 17 moves horizontally.When valve element 17 is in first
When putting, valve position is if desired changed, then needs to drive valve element 17 to move right；When valve element 17 is in the second place, if desired more
Valve position is changed, then needs to drive valve element 17 to be moved to the left.
Above-mentioned control assembly is selected according to being actually needed, such as control assembly is magnet coil 15 or electrichydraulic control
Component.In order to ensure the stability of the first reversal valve 11, the above-mentioned control assembly of prioritizing selection is electrichydraulic control component, specifically,
The control assembly includes pilot valve 14 and magnet coil 15.
It is understood that magnet coil 15 controls pilot valve 14 to change valve position changes valve position, i.e. guide with control bound 1
When valve 14 replaces, main valve 1 replaces.
In above-mentioned first reversal valve 11, by control magnet coil 15 dead electricity controls pilot valve 14 to commutate, so as to
Control bound 1 commutates.So, by controlling magnet coil 15 to obtain dead electricity, you can the first reversal valve 11 of control commutates, and facilitates control
System, simplifies control system.
Specifically, when optional magnet coil 15 is in power failure state, pilot valve 14 is in the first valve position；Or, electromagnetic wire
Circle 15 in electricity condition when, pilot valve 14 is in the first valve position.
As shown in Figure 11, Figure 12, Figure 14 and Figure 15, pilot valve 14 has the first valve port, the second valve port, the 3rd valve port and the
Four valve ports, the first valve port of pilot valve 14 are valve port e, and the second valve port of pilot valve 14 is valve port f, and the 3rd of pilot valve 14 the
Valve port is valve port g, and the 4th valve port of pilot valve 14 is valve port h.
First valve port of pilot valve 14 connects with high pressure valve port, the guide in the case where magnet coil 15 obtains electric and/or power failure state
3rd valve port of valve 14 connects with the low pressure line of air-conditioning system, the second valve port of pilot valve 14 and the 4th valve port of pilot valve 14
Connected respectively with two driving chambers of valve body 16, two driving chambers are located at the both sides of valve element 17 respectively.Wherein, in low pressure line
Pressure is less than the intraoral pressure of high pressure valve.
When above-mentioned pilot valve 14 is in the first valve position, as shown in Figure 11 and Figure 14, the first valve port of pilot valve 14 and guide
The 4th valve port connection of valve 14, the second valve port of pilot valve 14 connect with the 3rd valve port of pilot valve 14, and valve element 17 is in first
Valve position, outdoor heat exchanger branch road and indoor heat exchanger 9 are connected；When pilot valve 2 is in the second valve position, as shown in Figure 12 and Figure 15,
First valve port of pilot valve 14 connects with the second valve port of pilot valve 14, the 3rd valve port of pilot valve 14 and the 4th of pilot valve 14 the
Valve port connects, and valve element 17 is in the second valve position, and outdoor heat exchanger branch road and indoor heat exchanger 9 are in parallel.
In above-mentioned first reversal valve 11, the 3rd valve port of pilot valve 14 in the case where magnet coil 15 obtains electric and/or power failure state
For being connected with low pressure line, specifically, magnet coil 15 under electricity condition the 3rd valve port of pilot valve 14 be used for and low pressure
Pipeline connection, with ensure magnet coil 15 it is electric after, pilot valve 14 drive main valve 13 commutate, ensure that the first reversal valve 11 is normal
Work；Or, the 3rd valve port of pilot valve 14 is used to connect with low pressure line under the power failure state of magnet coil 15, to ensure electromagnetism
After the dead electricity of coil 15, pilot valve 14 drives main valve 13 to commutate, and ensure that the normal work of the first reversal valve 11；Or, in magnet coil
15 under electric and power failure state the 3rd valve ports of pilot valve 14 be used to connect with low pressure line, with ensure magnet coil 15 must it is electric and
After dead electricity, pilot valve 14 can drive main valve 13 to commutate, and ensure that the normal work of the first reversal valve 11.
In above-mentioned first reversal valve 11, when the pressure in two driving chambers is identical, the stop motion of valve element 17；When two drives
During the pressure difference of dynamic intracavitary, valve element 17 moves to the less driving chamber of pressure.It is understood that after pilot valve 14 commutates,
Pressure in two driving chambers can change.
For the size and shape of driving chamber, it is designed according to being actually needed.In order to improve the stress balance of valve element 17
Property, as much as possible increase valve element 17 lifting surface area.
Certainly, pilot valve 14 also may be selected is other structures, it is not limited to above-described embodiment.
Installed to simplify, in above-mentioned first reversal valve 11, the 3rd valve port of pilot valve 14 connects with the first work valve port.
It is understood that the first work valve port of above-mentioned valve body 16 connects with series pipe 4.Now, magnet coil 15 it is electric or
The 3rd valve port of pilot valve 14 is used to connect with low pressure line under power failure state.
Specifically, the 3rd valve port connects with the first work valve port, and the first work valve port connects with low pressure line, then in reality
In installation process, it is only necessary to the first work valve port and low pressure line are connected, without connecting the 3rd valve port and low pressure line, letter
Installation is changed and has used.
In actual application, in order to save electric energy, when prioritizing selection magnet coil 15 is in power failure state, pilot valve
14 are in the first valve position, and now, valve element 17 is in the first valve position, and indoor heat exchanger 9 is connected with outdoor heat exchanger branch road, and in electricity
The 3rd valve port that magnetic coil 15 obtains pilot valve 14 under electricity condition connects with low pressure line.So, air-conditioning system is in heating mode
Or refrigeration mode, i.e., magnet coil 15 is in off-position to air-conditioning system in normal operation, i.e., only in air-conditioning system
Magnet coil 15 is powered during defrost, effectively saves electric energy, reduces use cost, also improves security reliability；Meanwhile valve
Gate control is also relatively simple, when needing defrost only to needing corresponding to the outdoor heat exchanger 7 of defrost electricity on valve.
Certainly, when also optional magnet coil 15 is in power failure state, pilot valve 14 is in the second valve position, now, valve element
17 are in the second valve position, indoor heat exchanger 9 and outdoor heat exchanger branch circuit parallel connection.
For the concrete structure of valve element 17, it is designed according to being actually needed, such as valve element 17 is baffle arrangement or post
Body structure.For the ease of realizing above-mentioned function, above-mentioned valve element 17 is baffle arrangement.For the concrete structure and shape of baffle arrangement
Shape, the utility model embodiment are not limited this.
Further, above-mentioned baffle arrangement includes：The side plate that both ends are tightly connected with valve body 16, it is tightly connected with side plate
Dividing plate；Wherein, side plate and dividing plate form high pressure chest, and high pressure chest and work valve port are located at the both sides of dividing plate respectively.
In above-mentioned first reversal valve 11, high pressure chest and work valve port respectively be located at dividing plate both sides, strengthen valve element 17 with
The sealed connection of the work valve port side of valve body 16, further increases sealing property.
In above-mentioned first reversal valve 11, the homonymy that some work valve ports are located at dividing plate with high pressure chest also may be selected, not office
It is limited to above-described embodiment.
Certainly, above-mentioned baffle arrangement can also be other structures, such as one end of side plate is tightly connected with valve body 16, side plate
The other end is connected with bulkhead seal, and the one end of dividing plate away from side plate is tightly connected with valve body 16, and now, side plate and dividing plate form height
Chamber is pressed, and high pressure chest and work valve port are located at the both sides of dividing plate respectively.Therefore above-mentioned baffle arrangement is not limited to above-mentioned implementation
Example.
In above-mentioned air-conditioning system, due to the pipeline high pressure that passes through valve body 16 of connection exhaust outlet of compressor and reversing arrangement 2
Valve port is connected with high pressure chest, i.e., the second connecting tube 6 is connected with high pressure chest, then prioritizing selection parallel pipeline 3 is with being connected reversing arrangement 2
It is connected with the pipeline of indoor heat exchanger 9, parallel pipeline 3 is connected with the first connecting tube 5.
Certainly, parallel pipeline 3 also may be selected with the valve port of reversing arrangement 2 to be connected, it is not limited to above-described embodiment.
It in above-mentioned first reversal valve 11, the rotatable movement of valve element 17, also may move, switch for the ease of realizing, ensure to change
To above-mentioned valve element 17 moves along a straight line, and specifically, control assembly control valve element 17 moves along a straight line.
After above-mentioned air-conditioning system uses above-mentioned first reversal valve 11, concrete structure is as shown in Figure 6.
In cooling mode, the valve port b of the first reversal valve 11 is connected above-mentioned air-conditioning system with valve port c, above-mentioned air-conditioning system
Middle indoor heat exchanger 9 absorbs heat, and realizes the refrigeration to indoor environment, as shown in Figure 7.
In a heating mode, the valve port b of the first reversal valve 11 is connected above-mentioned air-conditioning system with valve port c, above-mentioned air-conditioning system
Middle indoor heat exchanger 9 realizes the heat-production functions to indoor environment, as shown in Figure 8 to indoor heat release.
In above-mentioned air-conditioning system, when individually carrying out defrost to the outdoor heat exchanger 7 in left side, above-mentioned air-conditioning system is in heating mould
Under formula, the valve port c of first reversal valve 11 in left side connects with valve port d.Now, the outdoor heat exchanger 7 in left side and indoor heat exchanger 9
Parallel connection, realize defrost.Meanwhile the outdoor heat exchanger 7 on right side meets the needs of indoor heating, such as Fig. 9 institutes in outdoor heat absorption
Show.
In above-mentioned air-conditioning system, when individually carrying out defrost to the outdoor heat exchanger 7 on right side, above-mentioned air-conditioning system is in heating mould
Under formula, the valve port c and valve port d of first reversal valve 11 on right side connection.Now, the outdoor heat exchanger 7 on right side and indoor heat exchange
Device 9 is in parallel, realizes defrost.Meanwhile the outdoor heat exchanger 7 in left side meets the needs of indoor heating, such as Figure 10 in outdoor heat absorption
It is shown.
Above-mentioned first throttle device 8 can be expansion valve, capillary or choke valve etc..For the ease of adjusting flow, preferentially
It is expansion valve to select first throttle device 8.
For the ease of adjusting cold medium flux, defrost effect is adjusted according to actual conditions, above-mentioned air-conditioning system also includes：Concatenation
In the second throttling device 10 of outdoor heat exchanger branch road, second throttling device 10 and first throttle device 8 are respectively arranged on outdoor and changed
The both ends of hot device 7.It is understood that second throttling device 10 can adjust the stream for the refrigerant for flowing through outdoor heat exchanger branch road
Amount.
Above-mentioned second throttling device 10 can be expansion valve, controllable register or choke valve etc., the utility model embodiment pair
The particular type of second throttling device 10 does not limit.
In above-mentioned air-conditioning system, after outdoor unit is installed, outdoor heat exchanger 7 can be vertically sequentially distributed, also optional
Select outdoor heat exchanger 7 to be sequentially distributed in the horizontal direction, the utility model embodiment does not limit the distribution form of outdoor heat exchanger 7
It is fixed.
In order to facilitate installation, prioritizing selection outdoor heat exchanger 7 is vertically sequentially distributed.
It should be noted that outdoor heat exchanger 7 on an outdoor heat exchanger branch road can be one, or two with
On.Above-mentioned outdoor heat exchanger 7 is vertically sequentially distributed, and can refer to the edge of outdoor heat exchanger 7 on same outdoor heat exchanger branch road
Vertical direction is sequentially distributed, and the outdoor heat exchanger 7 that can also refer on different outdoor heat exchanger branch roads is vertically sequentially distributed.
Above-mentioned air-conditioning system includes at least outdoor heat exchanger 7, in defrost, at least one defrost of outdoor heat exchanger 7, extremely
A few heating operation of outdoor heat exchanger 7.Frost needs to discharge in time after being melted into water, it is prevented when changing heating mode, because of water
Situations such as causing icing is not discharged, influences to exchange heat.
During defrost, the heated water that produces of frost layer on outdoor heat exchanger 7 flows downward along fin.Outdoor heat exchanger
7 are vertically sequentially distributed, and during the defrost of outdoor heat exchanger 7 on top, water flows downward along fin, and the room of bottom
External heat exchanger 7 is in heating state, the performance of easy icing effect complete machine in the presence of condensed water, meanwhile, it can also cause bottom
The defrost time of condenser is longer, influences the comfortable sexual experience of user.Therefore, above-mentioned air-conditioning system is also included for water receiving and by water
Derived auxiliary drip tray 18, auxiliary drip tray 18 are such as schemed between two vertically adjacent outdoor heat exchangers 7
Shown in 17-19.
It is understood that auxiliary drip tray 18 has the groove for accommodating water.Auxiliary drip tray 18 is used to export in water, then
Aid in drip tray 18 to have to be used for discharge structure derived from water, the discharge structure is osculum, discharge outlet or drainpipe.
Using said structure, condensed water caused by the defrost of outdoor heat exchanger 7 on top is directly exported without under the influence of
The heating and defrost of the outdoor heat exchanger 7 in portion.
For the ease of draining, auxiliary drip tray 18 is obliquely installed relative to horizontal direction, and aids in drip tray 18 relatively low
One end is provided with osculum 20, as shown in Figure 18 and Figure 19.
Incline direction for aiding in drip tray 18, is designed according to being actually needed.Specifically, above-mentioned auxiliary drip tray
18 is higher close to one end of compressor 1, or above-mentioned auxiliary drip tray 18 is relatively low close to one end of compressor 1.
For aiding in the angle of inclination of drip tray 18, as long as the work of outdoor heat exchanger 7 is not influenceed, according to being actually needed
It is designed, the utility model embodiment is not limited this.
Certainly, the both ends that auxiliary drip tray 18 also may be selected are below aiding in the middle part of drip tray 18, and aid in drip tray
18 both ends are equipped with osculum 20.
It is understood that the base of air-conditioner outdoor unit has bottom drip tray 19, above-mentioned osculum 20 and bottom water receiving
Disk 19 is relative, to ensure that the water that auxiliary drip tray 18 is collected is drained into bottom drip tray 19 from osculum 20.
Shape for aiding in drip tray 18, is designed according to being actually needed.For the ease of collecting water, prioritizing selection is auxiliary
Adjuvant grafting water pond 18 is close with the profile of outdoor heat exchanger 7, it is preferable that auxiliary drip tray 18 is L-shaped, as shown in figure 20.
It is understood that fillet can be set in the corner of auxiliary drip tray 18.
In above-mentioned air-conditioning system, generally use four-way valve is easy to control as reversing arrangement 2.Specifically, control four is passed through
Port valve obtains dead electricity to control four-way valve to commutate.
It should be noted that when four-way valve is in refrigeration valve position, power-down mode is can be at, can also be in obtaining power mode, and
It is not limited to above-described embodiment.For example, when four-way valve is in refrigeration valve position, four-way valve is in obtain power mode；Four-way valve is in system
During thermal valve position, four-way valve is in power-down mode.
In above-mentioned air-conditioning system, two reversal valves also may be selected as reversing arrangement 2.Specifically, reversing arrangement 2 includes the
Two reversal valves and the 3rd reversal valve, the first valve port of the second reversal valve are connected with exhaust outlet of compressor, and the first of the 3rd reversal valve
Valve port is connected with compressor air suction mouth, the second valve port of the 3rd reversal valve and the second valve port of the second reversal valve with indoor heat exchange
Device 9 is connected, and the 3rd valve port of the 3rd reversal valve and the 3rd valve port of the second reversal valve are connected with outdoor heat exchanger branch road.
Certainly, reversing arrangement 2 also may be selected is other valve members, it is not limited to above-described embodiment.
The foregoing description of the disclosed embodiments, those skilled in the art are enable to realize or using the utility model.
A variety of modifications to these embodiments will be apparent for a person skilled in the art, as defined herein general former
Reason can be realized in other embodiments in the case where not departing from spirit or scope of the present utility model.Therefore, this practicality is new
Type is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein and features of novelty phase
Consistent most wide scope.
Claims (19)
- A kind of 1. air-conditioning system, it is characterised in that including：Indoor heat exchanger (9), handover module and at least two outdoor heat exchangers Branch road；Wherein, the outdoor heat exchanger branch road include series connection outdoor heat exchanger (7) and first throttle device (8), described first Throttling arrangement (8) is connected with the indoor heat exchanger (9)；The handover module includes：Corresponded with the outdoor heat exchanger branch road, and make the outdoor heat exchanger branch road and institute State the first reversal valve (11) that indoor heat exchanger (9) switches between series connection and parallel connection.
- 2. air-conditioning system according to claim 1, it is characterised in that the handover module also includes：For making the room The external heat exchanger branch road parallel pipeline (3) in parallel with the indoor heat exchanger (9), for making the outdoor heat exchanger branch road and institute State the series pipe (4) of indoor heat exchanger (9) series connection；First reversal valve (11) is by switching the parallel pipeline (3) and the series pipe (4) and the outdoor heat exchange The connection of device branch road is to switch the connection status of the outdoor heat exchanger branch road and the indoor heat exchanger (9).
- 3. air-conditioning system according to claim 2, it is characterised in that the parallel pipeline (3) is with being connected the air-conditioning system The reversing arrangement (2) of system is connected with the pipeline of the indoor heat exchanger (9), or the parallel pipeline (3) is with being connected compressor row Gas port is connected with the pipeline of the reversing arrangement (2).
- 4. air-conditioning system according to claim 1, it is characterised in that first reversal valve (11) is two-position three-way valve, The outdoor heat exchanger branch road and the indoor heat exchanger (9) are in parallel when the two-position three-way valve is in the first valve position；Described two The outdoor heat exchanger branch road and the indoor heat exchanger (9) series connection when position three-way valve is in the second valve position.
- 5. air-conditioning system according to claim 1, it is characterised in that first reversal valve (11) include main valve (13) and Control assembly；The main valve (13) includes valve body (16) and the valve element (17) in the valve body (16), the valve element (17) with it is described Valve body (16) is tightly connected and the inner chamber of the valve body (16) is divided into high pressure chest and working chamber；The valve body (16) has the high pressure valve port and at least two works isolated with the high pressure chest with high pressure chest connection Make valve port, the high pressure valve port is with being connected the reversing arrangement (2) of the air-conditioning system and the pipeline connection of exhaust outlet of compressor；The control assembly controls valve element (17) motion to change the connected state of the work valve port.
- 6. air-conditioning system according to claim 5, it is characterised in that the valve element (17), which has, is respectively positioned on the working chamber Interior conducting structure and plugging structure, the control assembly controls the valve element (17) to move so that the conducting structure changes institute The connected state of work valve port is stated, the plugging structure is used to block the work valve port not connected with the conducting structure.
- 7. air-conditioning system according to claim 6, it is characterised in that the work valve port is three, respectively the first work Make valve port, the second work valve port and the 3rd work valve port；Wherein, when the valve element (17) is in the first valve position, the first work valve port and the second work valve port pass through The conducting structure connection, the 3rd work valve port are closed by the plugging structure, the indoor heat exchanger (9) and the room External heat exchanger branch road is connected；When the valve element (17) is in the second valve position, the second work valve port is led with the described 3rd work valve port by described Logical fabric connectivity, the first work valve port are closed by the plugging structure, the indoor heat exchanger (9) and the outdoor heat exchange Device branch circuit parallel connection.
- 8. air-conditioning system according to claim 7, it is characterised in that the control assembly includes pilot valve (14) and electromagnetism Coil (15), wherein, the magnet coil (15) controls the pilot valve (14) to change valve position to control the main valve (13) more Change valve position.
- 9. air-conditioning system according to claim 8, it is characterised in that the pilot valve (14) has the first valve port, second Valve port, the 3rd valve port and the 4th valve port, the first valve port of the pilot valve (14) connects with the high pressure valve port, in the electromagnetism Coil (15) obtains the 3rd valve port of the pilot valve (14) and the low pressure line of the air-conditioning system under electric and/or power failure state and connected It is logical, the second valve port of the pilot valve (14) and the 4th valve port of the pilot valve (14) two with the valve body (16) respectively Driving chamber connects, and two driving chambers are located at the both sides of the valve element (17) respectively；When the pilot valve (14) is in the first valve position, the of the first valve port of the pilot valve (14) and the pilot valve (14) Four valve ports connect, and the second valve port of the pilot valve (14) connects with the 3rd valve port of the pilot valve (14), the valve element (17) it is in the first valve position；When the pilot valve (14) is in the second valve position, the first valve port of the pilot valve (14) with it is described The second valve port connection of pilot valve (14), the 3rd valve port of the pilot valve (14) connect with the 4th valve port of the pilot valve (14) Logical, the valve element (17) is in the second valve position；Wherein, the pressure in the low pressure line is less than the intraoral pressure of the high pressure valve.
- 10. air-conditioning system according to claim 9, it is characterised in that when the magnet coil (15) is in power failure state, The pilot valve (14) is in the first valve position.
- 11. air-conditioning system according to claim 9, it is characterised in that the 3rd valve port of the pilot valve (14) with it is described First work valve port connection.
- 12. air-conditioning system according to claim 5, it is characterised in that the valve element (17) is baffle arrangement.
- 13. air-conditioning system according to claim 1, it is characterised in that also include：It is serially connected with the outdoor heat exchanger branch road Second throttling device (10), the second throttling device (10) and the first throttle device (8) are respectively arranged on the outdoor The both ends of heat exchanger (7).
- 14. air-conditioning system according to claim 1, it is characterised in that the outdoor heat exchanger (7) is vertically successively Distribution.
- 15. air-conditioning system according to claim 14, it is characterised in that also include for water receiving and will be aided in derived from water Drip tray (18), the auxiliary drip tray (18) is between two vertically adjacent outdoor heat exchangers (7).
- 16. air-conditioning system according to claim 15, it is characterised in that the auxiliary drip tray (18) is relative to level side To being obliquely installed, and the relatively low one end of the auxiliary drip tray (18) is provided with osculum (20).
- 17. air-conditioning system according to claim 15, it is characterised in that the both ends of the auxiliary drip tray (18) are below The middle part of the auxiliary drip tray (18), and the both ends of the auxiliary drip tray (18) are equipped with osculum (20).
- 18. according to the air-conditioning system described in any one in claim 1-17, it is characterised in that the commutation of the air-conditioning system Device (2) is four-way valve.
- 19. according to the air-conditioning system described in any one in claim 1-17, it is characterised in that the commutation of the air-conditioning system Device (2) includes the second reversal valve and the 3rd reversal valve, and the first valve port of second reversal valve is connected with exhaust outlet of compressor, First valve port of the 3rd reversal valve is connected with compressor air suction mouth, the second valve port and described second of the 3rd reversal valve Second valve port of reversal valve is connected with the indoor heat exchanger (9), the 3rd valve port and described second of the 3rd reversal valve 3rd valve port of reversal valve is connected with the outdoor heat exchanger branch road.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720291524.XU CN206637900U (en) | 2017-03-21 | 2017-03-21 | Air conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720291524.XU CN206637900U (en) | 2017-03-21 | 2017-03-21 | Air conditioning system |
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|---|---|
| CN206637900U true CN206637900U (en) | 2017-11-14 |
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| Application Number | Title | Priority Date | Filing Date |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108775664A (en) * | 2018-08-13 | 2018-11-09 | 珠海格力电器股份有限公司 | Air conditioner system and air conditioner with same |
| CN111156653A (en) * | 2019-12-16 | 2020-05-15 | 珠海格力电器股份有限公司 | Fault detection method for hot defrosting electromagnetic bypass valve, storage medium and air conditioner |
-
2017
- 2017-03-21 CN CN201720291524.XU patent/CN206637900U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108775664A (en) * | 2018-08-13 | 2018-11-09 | 珠海格力电器股份有限公司 | Air conditioner system and air conditioner with same |
| CN108775664B (en) * | 2018-08-13 | 2024-02-27 | 珠海格力电器股份有限公司 | Air conditioner system and air conditioner with same |
| CN111156653A (en) * | 2019-12-16 | 2020-05-15 | 珠海格力电器股份有限公司 | Fault detection method for hot defrosting electromagnetic bypass valve, storage medium and air conditioner |
| CN111156653B (en) * | 2019-12-16 | 2021-01-29 | 珠海格力电器股份有限公司 | Fault detection method for hot defrosting electromagnetic bypass valve, storage medium and air conditioner |
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