CN108105419A - Four-way valve, air-conditioner set and control method - Google Patents
Four-way valve, air-conditioner set and control method Download PDFInfo
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- CN108105419A CN108105419A CN201711322154.2A CN201711322154A CN108105419A CN 108105419 A CN108105419 A CN 108105419A CN 201711322154 A CN201711322154 A CN 201711322154A CN 108105419 A CN108105419 A CN 108105419A
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- Prior art keywords
- air
- entrances
- conditioner set
- connected entrances
- valve
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/06—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements
- F16K11/072—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with pivoted closure members
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/04—Construction of housing; Use of materials therefor of sliding valves
- F16K27/044—Construction of housing; Use of materials therefor of sliding valves slide valves with flat obturating members
- F16K27/045—Construction of housing; Use of materials therefor of sliding valves slide valves with flat obturating members with pivotal obturating members
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B13/00—Compression machines, plants or systems, with reversible cycle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/40—Fluid line arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/027—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means
- F25B2313/02741—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means using one four-way valve
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The present invention provides a kind of four-way valve, air-conditioner set and control method, including main valve body, valve chamber is provided in the main valve body, spool is provided in the valve chamber, the D connected entrances connected with the valve chamber, E connected entrances, S connected entrances and C connected entrances are additionally provided on the main valve body.Four-way valve provided by the invention, air-conditioner set and control method, by being changed to four-way valve with the third place, E connected entrances can be closed, and then the shell side of evaporator is closed, it is effective to prevent refrigerant from entering under the action of inertia by E connected entrances in the gas-liquid separator, and refrigerant is closed in shell side, is existed with the water inside heat exchanger tube in evaporator and is exchanged heat, under worst cold case, water icing bursting by freezing heat exchanger tube in heat exchanger tube is avoided.
Description
Technical field
The present invention relates to air conditioner technical fields, particularly a kind of four-way valve, air-conditioner set and control method.
Background technology
Full-liquid type package unit is to change to carry out by the mode of communicating of the connected entrance of four-way valve in refrigeration or heating
It adjusts, but the cooling medium charging amount of full-liquid type package unit is more, and also refrigerant walks shell side, and in the moment of unit shutdown, there are one
A Inertial Processing, make refrigerant from package toward gas-liquid separator at largely migrate, compressor air suction when can cause the unit to be again started up
Mouth largely sucks the problem of refrigerant causes compressor air suction largely with liquid at gas-liquid separator.
The content of the invention
In order to solve the above-mentioned technical problem, providing one kind prevents that refrigerant is a large amount of into gas-liquid separator in compressor emergency shutdown
Four-way valve, air-conditioner set and the control method of migration.
A kind of four-way valve including main valve body, is provided with valve chamber, spool, institute is provided in the valve chamber in the main valve body
It states and the D connected entrances connected with the valve chamber, E connected entrances, S connected entrances and C connected entrances is additionally provided on main valve body, the spool tool
Having makes D connected entrances and C connected entrances connect and S connected entrances are connected with E connected entrances first position, makes D connected entrances and E connected entrances company
The second position that logical and S connected entrances are connected with C connected entrances and D connected entrances, S connected entrances and C connected entrances is made to connect and E connected entrances
Close the third place set.
The blind hole connected with the valve chamber is additionally provided on the main valve body, when the spool is in the third place, institute
E connected entrances are stated to connect with the blind hole.
The D connected entrances are connected with the exhaust outlet of compressor, and the E connected entrances are connected with evaporator, the C connected entrances with
Condenser connects, and the S connected entrances are connected with the air entry of compressor or the entrance of gas-liquid separator, and are in the spool
During the third place, the evaporator is connected by the E connected entrances with the blind hole.
A kind of air-conditioner set, it is the compressor, described including above-mentioned four-way valve and compressor, evaporator and condenser
Four-way valve, the evaporator and the condenser are sequentially communicated to form heat-exchanging loop, and when the spool is in first position,
The air-conditioner set is in refrigeration mode;When the spool is in the second position, the air-conditioner set is in heating mode;It is described
When spool is in the third place, the air-conditioner set is in shutdown status.
When the air-conditioner set switches to shutdown status by refrigeration mode, the spool switches to the 3rd by first position
Position;
When the air-conditioner set switches to shutdown status by heating mode, the spool is switched to described by the second position
The third place.
The air-conditioner set further includes throttling set, the throttling set be series at the evaporator and the condenser it
Between the heat-exchanging loop in.
The air-conditioner set further includes the first check valve, the second check valve, the 3rd check valve and the 4th check valve, and described
What one check valve, the throttling set and the second check valve were sequentially connected in series is arranged between the condenser and the evaporator,
And first check valve and second check valve are directed toward the evaporator by the condenser, the 3rd check valve
One end is connected with second check valve with the centre position of the evaporator, the other end and first check valve and the section
Flow the centre position connection of device, one end of the 4th check valve and the centre of second check valve and the throttling set
Position connects, and the other end is connected with first check valve with the centre position of the condenser.
The air-conditioner set further includes device for drying and filtering, and the device for drying and filtering is series in the heat-exchanging loop.
The air-conditioner set further includes the first ball valve and the second ball valve, and first ball valve and second ball valve are set respectively
It is placed in the both ends of the device for drying and filtering.
The evaporator is flooded evaporator, and the four-way valve is connected with the shell side of the flooded evaporator.
The air-conditioner set further includes gas-liquid separator, the suction that the four-way valve passes through gas-liquid separator and the compressor
Gas port connects.
A kind of control method of above-mentioned air-conditioner set, including:
Shutdown status, spool are in the third place, and D connected entrances, S connected entrances are connected with C connected entrances, E connected entrances with it is blind
Hole connects, and evaporator is connected by E connected entrances with blind hole.
It further includes:
Refrigeration mode, spool are in first position, and D connected entrances are connected with C connected entrances, and S connected entrances connect with E connected entrances
Logical, the exhaust of compressor is back to compressor after four-way valve, condenser, evaporator, four-way valve and gas-liquid separator successively
Middle formation cooling heat exchange Xun Huan;
Heating mode, spool are in the second position, and D connected entrances are connected with E connected entrances, and S connected entrances connect with C connected entrances
Logical, having climbed for compressor is back to compressor after four-way valve, evaporator, condenser, four-way valve and gas-liquid separator successively
It is middle to form heating heat exchange cycle.
When air-conditioner set switches to shutdown status by the refrigeration mode, the spool is switched to described by first position
The third place;
When air-conditioner set switches to shutdown status by the heating mode, the spool is switched to described by the second position
The third place.
Four-way valve provided by the invention, air-conditioner set and control method, by being changed to four-way valve with the third place,
E connected entrances can be closed, and then the shell side of evaporator is closed, effectively prevent refrigerant from connecting under the action of inertia by E
Port enters in the gas-liquid separator, and refrigerant is closed in shell side, exists with the water inside heat exchanger tube in evaporator
Heat exchange, under worst cold case, avoids water icing bursting by freezing heat exchanger tube in heat exchanger tube.
Description of the drawings
Fig. 1 is the structure diagram of the four-way valve of four-way valve provided by the invention, air-conditioner set and control method;
Fig. 2 is the structure diagram of the air-conditioner set of four-way valve provided by the invention, air-conditioner set and control method;
In figure:
1st, main valve body;11st, valve chamber;12nd, spool;13rd, D connected entrances;14th, E connected entrances;15th, S connected entrances;16th, C connected entrances;
17th, blind hole;2nd, compressor;3rd, evaporator;4th, condenser;5th, the first check valve;6th, the second check valve;7th, the 3rd check valve;8、
4th check valve;9th, throttling set.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right with reference to the accompanying drawings and embodiments
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only used for explaining the present invention, not
For limiting the present invention.
Four-way valve as depicted in figs. 1 and 2 including main valve body 1, is provided with valve chamber 11, the valve chamber in the main valve body 1
Spool 12 is provided in 11, D connected entrances 13, E connected entrances 14, the S connected with the valve chamber 11 is additionally provided on the main valve body 1
Connected entrance 15 and C connected entrances 16, the spool 12, which has, makes D connected entrances 13 and C connected entrances 16 connect and S connected entrances 15 and E connects
First position that port 14 connects makes D connected entrances 13 be connected with E connected entrances 14 and S connected entrances 15 are connected with C connected entrances 16 the
Two positions with make D connected entrances 13, S connected entrances 15 connected with C connected entrances 16 and E connected entrances 14 closing set the third place,
When spool 12 is in first position and the second position, system is normally carried out freezing or heat, when system is shut down, spool
12 are directly switch into the third place by first position or the second position, are that E connected entrances 14 seal, by the refrigerant section in evaporator 3
Stream prevents refrigerant from, because inertia problem is flowed at E connected entrances 14 in gas-liquid separator, causing gas-liquid separator in evaporator 3
Interior a large amount of liquid collectings.
The blind hole 17 connected with the valve chamber 11 is additionally provided on the main valve body 1, the 3rd is in the spool 12
When putting, the E connected entrances 14 are connected with the blind hole 17, and by setting blind hole 17, the inertia of refrigerant can be carried out centainly
Buffering, can also facilitate and the position of spool 12 is positioned, and ensure that spool 12 can be accurately moved at the third place.
The D connected entrances 13 are connected with the exhaust outlet of compressor 2, and the E connected entrances 14 are connected with evaporator 3, and the C connects
Port 16 is connected with condenser 4, and the S connected entrances 15 are connected with the air entry of compressor 2 or the entrance of gas-liquid separator, and
When the spool 12 is in the third place, the evaporator 3 is connected by the E connected entrances 14 with the blind hole 17, by
It is blind hole 17 in F, is not connected with any device, the refrigerant of case tube heat exchanger is only retained in inside package, without pouring in
In vapour point, air-breathing is largely with liquid when can avoid starting next time;Refrigerant is remained in case tube heat exchanger simultaneously, is existed with water and is exchanged heat,
Under worst cold case, water icing bursting by freezing package in package heat exchanger tube is avoided.
A kind of air-conditioner set, including above-mentioned four-way valve and compressor 2, evaporator 3 and condenser 4, the compressor 2,
The four-way valve, the evaporator 3 and the condenser 4 are sequentially communicated to form heat-exchanging loop, and are in the in the spool 12
During one position, the air-conditioner set is in refrigeration mode;When the spool 12 is in the second position, the air-conditioner set is in system
Heat pattern;When the spool 12 is in the third place, the air-conditioner set is in shutdown status, since F is blind hole 17, not with appointing
What device is connected, and the refrigerant of case tube heat exchanger is only retained in inside package, without pouring in vapour point, can avoid open next time
Air-breathing is largely with liquid when dynamic;Refrigerant is remained in case tube heat exchanger simultaneously, is existed with water and is exchanged heat, under worst cold case, avoids water
The icing bursting by freezing package in package heat exchanger tube.
When the air-conditioner set switches to shutdown status by refrigeration mode, the spool 12 switches to by first position
Three positions;
When the air-conditioner set switches to shutdown status by heating mode, the spool 12 switches to institute by the second position
State the third place.
The air-conditioner set further includes throttling set 9, and the throttling set 9 is series at the evaporator 3 and the condensation
In the heat-exchanging loop between device 4.
The air-conditioner set further includes the first check valve 5, the second check valve 6, the 3rd check valve 7 and the 4th check valve 8, institute
State the first check valve 5,9 and second check valve 6 of the throttling set is sequentially connected in series is arranged at the condenser 4 and the evaporation
Between device 3, and first check valve 5 and second check valve 6 are directed toward the evaporator 3 by the condenser 4, described
One end of 3rd check valve 7 is connected with second check valve 6 with the centre position of the evaporator 3, the other end and described the
One check valve 5 is connected with the centre position of the throttling set 9, one end and second check valve 6 of the 4th check valve 8
It is connected with the centre position of the throttling set 9, the centre position of the other end and first check valve 5 and the condenser 4
Connection is defined the refrigerant flow direction under the refrigeration mode and heating mode of air-conditioner set using first to fourth check valve 8.
The air-conditioner set further includes device for drying and filtering, and the device for drying and filtering is series in the heat-exchanging loop.
The air-conditioner set further includes the first ball valve and the second ball valve, and first ball valve and second ball valve are set respectively
It is placed in the both ends of the device for drying and filtering.
The evaporator 3 is flooded evaporator 3, and the four-way valve is connected with the shell side of the flooded evaporator 3,
And the internal heat exchange tubes of the flooded evaporator 3 are passed through water, in air-conditioner set produce under refrigeration mode or heating mode
Chilled water or hot water are freezed or are heated.
The air-conditioner set further includes gas-liquid separator, and the four-way valve passes through gas-liquid separator and the compressor 2
Air entry connects.
A kind of control method of above-mentioned air-conditioner set, including:
Shutdown status, spool 12 are in the third place, and D connected entrances 13, S connected entrances 15 are connected with C connected entrances 16, and E connects
Port 14 is connected with blind hole 17, and evaporator 3 is connected by E connected entrances 14 with blind hole 17.
It further includes:
Refrigeration mode, spool 12 are in first position, and D connected entrances 13 are connected with C connected entrances 16, and S connected entrances 15 and E connects
Port 14 connects, and the exhaust of compressor 2 is returned after four-way valve, condenser 4, evaporator 3, four-way valve and gas-liquid separator successively
It flow in compressor 2 and forms cooling heat exchange Xun Huan;
Heating mode, spool 12 are in the second position, and D connected entrances 13 are connected with E connected entrances 14, and S connected entrances 15 and C connects
Port 16 connects, and having climbed for compressor 2 is returned after four-way valve, evaporator 3, condenser 4, four-way valve and gas-liquid separator successively
It flow in compressor 2 and forms heating heat exchange cycle.
When air-conditioner set switches to shutdown status by the refrigeration mode, the spool 12 switches to institute by first position
State the third place;
When air-conditioner set switches to shutdown status by the heating mode, the spool 12 switches to institute by the second position
State the third place.
Embodiment described above only expresses the several embodiments of the present invention, and description is more specific and detailed, but simultaneously
Cannot the limitation to the scope of the claims of the present invention therefore be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (13)
1. a kind of four-way valve including main valve body (1), is provided with valve chamber (11), is set in the valve chamber (11) in the main valve body (1)
Spool (12) is equipped with, D connected entrances (13), the E connected entrances connected with the valve chamber (11) is additionally provided on the main valve body (1)
(14), S connected entrances (15) and C connected entrances (16), it is characterised in that:The spool (12), which has, makes D connected entrances (13) be connected with C
First position that mouthful (16) connection and S connected entrances (15) are connected with E connected entrances (14) makes D connected entrances (13) and E connected entrances (14)
The second position and connect D connected entrances (13), S connected entrances (15) and C that connection and S connected entrances (15) are connected with C connected entrances (16)
The third place that port (16) connects and E connected entrances (14) closing is set.
2. four-way valve according to claim 1, it is characterised in that:It is additionally provided with and the valve chamber on the main valve body (1)
(11) blind hole (17) of connection, when the spool (12) is in the third place, the E connected entrances (14) and the blind hole (17)
Connection.
3. four-way valve according to claim 2, it is characterised in that:The D connected entrances (13) and the exhaust outlet of compressor (2)
Connection, the E connected entrances (14) connect with evaporator (3), and the C connected entrances (16) connect with condenser (4), the S connections
Mouth (15) is connected with the air entry of compressor (2) or the entrance of gas-liquid separator, and is in the described 3rd in the spool (12)
During position, the evaporator (3) is connected by the E connected entrances (14) with the blind hole (17).
4. a kind of air-conditioner set, it is characterised in that:Including the four-way valve and compressor any one of claims 1 to 3
(2), evaporator (3) and condenser (4), the compressor (2), the four-way valve, the evaporator (3) and the condenser
(4) it is sequentially communicated to form heat-exchanging loop, and when the spool (12) is in first position, the air-conditioner set is in refrigeration mould
Formula;When the spool (12) is in the second position, the air-conditioner set is in heating mode;The spool (12) is in the 3rd
When putting, the air-conditioner set is in shutdown status.
5. air-conditioner set according to claim 4, it is characterised in that:It is switched to and stopped by refrigeration mode in the air-conditioner set
During machine state, the spool (12) switches to the third place by first position;
When the air-conditioner set switches to shutdown status by heating mode, the spool (12) is switched to described by the second position
The third place.
6. air-conditioner set according to claim 4, it is characterised in that:The air-conditioner set further includes throttling set (9), institute
It states in the heat-exchanging loop that throttling set (9) is series between the evaporator (3) and the condenser (4).
7. air-conditioner set according to claim 6, it is characterised in that:The air-conditioner set further include the first check valve (5),
Second check valve (6), the 3rd check valve (7) and the 4th check valve (8), first check valve (5), the throttling set (9)
And second being arranged between the condenser (4) and the evaporator (3) of being sequentially connected in series of check valve (6), and described first is single
The evaporator (3), the 3rd check valve are directed toward by the condenser (4) to valve (5) and second check valve (6)
(7) one end is connected with second check valve (6) with the centre position of the evaporator (3), and the other end is single with described first
It is connected to valve (5) with the centre position of the throttling set (9), one end of the 4th check valve (8) is unidirectional with described second
Valve (6) is connected with the centre position of the throttling set (9), the other end and first check valve (5) and the condenser (4)
Centre position connection.
8. air-conditioner set according to claim 6, it is characterised in that:The air-conditioner set further includes device for drying and filtering, institute
Device for drying and filtering is stated to be series in the heat-exchanging loop.
9. air-conditioner set according to claim 8, it is characterised in that:The air-conditioner set further includes the first ball valve and second
Ball valve, first ball valve and second ball valve are respectively arranged at the both ends of the device for drying and filtering.
10. air-conditioner set according to claim 4, it is characterised in that:The evaporator (3) is flooded evaporator (3),
And the four-way valve is connected with the shell side of the flooded evaporator (3).
11. air-conditioner set according to claim 4, it is characterised in that:The air-conditioner set further includes gas-liquid separator, institute
Four-way valve is stated to connect with the air entry of the compressor (2) by gas-liquid separator.
12. a kind of control method of the air-conditioner set any one of claim 4-11, it is characterised in that:Including:
Shutdown status, spool (12) are in the third place, and D connected entrances (13), S connected entrances (15) are connected with C connected entrances (16),
E connected entrances (14) are connected with blind hole (17), and evaporator (3) is connected by E connected entrances (14) with blind hole (17);
Refrigeration mode, spool (12) are in first position, and D connected entrances (13) are connected with C connected entrances (16), and S connected entrances (15)
Connected with E connected entrances (14), the exhaust of compressor (2) successively by four-way valve, condenser (4), evaporator (3), four-way valve and
It is back to after gas-liquid separator in compressor (2) and forms cooling heat exchange Xun Huan;
Heating mode, spool (12) are in the second position, and D connected entrances (13) are connected with E connected entrances (14), and S connected entrances (15)
Connected with C connected entrances (16), compressor (2) climbed successively by four-way valve, evaporator (3), condenser (4), four-way valve and
It is back to after gas-liquid separator in compressor (2) and forms heating heat exchange cycle.
13. the control method described in as requested 12, it is characterised in that:Shutdown is switched to by the refrigeration mode in air-conditioner set
During state, the spool (12) switches to the third place by first position;
When air-conditioner set switches to shutdown status by the heating mode, the spool (12) is switched to described by the second position
The third place.
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CN201711322154.2A CN108105419B (en) | 2017-12-12 | 2017-12-12 | Four-way valve, air-conditioner set and control method |
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CN201711322154.2A CN108105419B (en) | 2017-12-12 | 2017-12-12 | Four-way valve, air-conditioner set and control method |
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CN108105419A true CN108105419A (en) | 2018-06-01 |
CN108105419B CN108105419B (en) | 2019-05-03 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020087902A1 (en) * | 2018-10-31 | 2020-05-07 | 广东美芝精密制造有限公司 | Four-way valve |
CN111256195A (en) * | 2020-01-17 | 2020-06-09 | 四川省建筑设计研究院有限公司 | Heating system with four-way reversing valve and three-way reversing valve |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201973324U (en) * | 2011-01-24 | 2011-09-14 | 宁波奥克斯电气有限公司 | Four-way valve for air conditioner |
CN202630503U (en) * | 2012-04-23 | 2012-12-26 | 广东瑞星新能源科技有限公司 | Double-energy water cooling and heating machine set |
CN106196763A (en) * | 2015-05-04 | 2016-12-07 | 美的集团武汉制冷设备有限公司 | Three-position four-way valve and there is its air-conditioner |
JP2017075675A (en) * | 2015-10-16 | 2017-04-20 | 株式会社鷺宮製作所 | Slide type selector valve and refrigeration cycle system |
CN106704635A (en) * | 2017-01-23 | 2017-05-24 | 海信(山东)空调有限公司 | Four-way valve and air conditioner |
-
2017
- 2017-12-12 CN CN201711322154.2A patent/CN108105419B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201973324U (en) * | 2011-01-24 | 2011-09-14 | 宁波奥克斯电气有限公司 | Four-way valve for air conditioner |
CN202630503U (en) * | 2012-04-23 | 2012-12-26 | 广东瑞星新能源科技有限公司 | Double-energy water cooling and heating machine set |
CN106196763A (en) * | 2015-05-04 | 2016-12-07 | 美的集团武汉制冷设备有限公司 | Three-position four-way valve and there is its air-conditioner |
JP2017075675A (en) * | 2015-10-16 | 2017-04-20 | 株式会社鷺宮製作所 | Slide type selector valve and refrigeration cycle system |
CN106704635A (en) * | 2017-01-23 | 2017-05-24 | 海信(山东)空调有限公司 | Four-way valve and air conditioner |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020087902A1 (en) * | 2018-10-31 | 2020-05-07 | 广东美芝精密制造有限公司 | Four-way valve |
CN111256195A (en) * | 2020-01-17 | 2020-06-09 | 四川省建筑设计研究院有限公司 | Heating system with four-way reversing valve and three-way reversing valve |
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