CN116412556A - Control valve, air conditioner system and air conditioner - Google Patents
Control valve, air conditioner system and air conditioner Download PDFInfo
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- CN116412556A CN116412556A CN202111682587.5A CN202111682587A CN116412556A CN 116412556 A CN116412556 A CN 116412556A CN 202111682587 A CN202111682587 A CN 202111682587A CN 116412556 A CN116412556 A CN 116412556A
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- 239000003507 refrigerant Substances 0.000 claims abstract description 133
- 238000004891 communication Methods 0.000 claims abstract description 114
- 238000010438 heat treatment Methods 0.000 claims abstract description 35
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 230000001105 regulatory effect Effects 0.000 claims description 41
- 238000000034 method Methods 0.000 claims description 11
- 238000001816 cooling Methods 0.000 abstract description 7
- 238000004378 air conditioning Methods 0.000 description 10
- 238000005057 refrigeration Methods 0.000 description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 230000003068 static effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
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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
- F25B41/24—Arrangement of shut-off valves for disconnecting a part of the refrigerant cycle, e.g. an outdoor part
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/65—Electronic processing for selecting an operating mode
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
- F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/88—Electrical aspects, e.g. circuits
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Thermal Sciences (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Multiple-Way Valves (AREA)
Abstract
The invention discloses a control valve, an air conditioner system and an air conditioner, wherein the control valve comprises a valve body and a valve core, the valve body is provided with a valve cavity, and eight through holes are formed in the valve cavity along the circumferential direction of the valve cavity; the valve core is movably arranged in the valve cavity in a sealing way; the eight ports are correspondingly in a first working position and have a first communication state; the eight through holes are provided with second communication states corresponding to the second station position, and the eight through holes are arranged in staggered communication under the second communication states and the first communication states. The eight ports are controlled to be switched between the first position and the second position through the movement of the valve core, and the flowing direction of the refrigerant in the refrigerant circulation loop is controlled, so that the flowing direction of the refrigerant flowing through the indoor heat exchanger is the same in the cooling mode and the heating mode, and meanwhile, the flowing directions of the refrigerant flowing through the indoor heat exchanger in the cooling mode and the heating mode are the same, namely, the indoor heat exchanger and the outdoor heat exchanger are in a full countercurrent state under the working condition of cooling or heating, so that the problem of low heat exchange efficiency of the existing control valve is solved.
Description
Technical Field
The invention relates to the field of heat exchange systems, in particular to a control valve, an air conditioner system and an air conditioner.
Background
In a heat exchange system of an air conditioner, a refrigerant medium passes through a compressor, an outdoor condenser, a throttle valve and a circulation line of an indoor evaporator, and in the heat exchanger, the heat transfer temperature difference influences the heat transfer quantity, and as can be known from a heat transfer formula q=ka (Δtm), the larger Δtm is, the larger the heat transfer Q is, and in the heat exchanger, the average temperature difference of a countercurrent heat exchanger is the largest, the heat exchange efficiency is the highest, and the countercurrent heat exchanger is the heat exchanger in which the flow direction of the refrigerant and the flow direction of air subjected to external heat exchange are reversely arranged.
The traditional air conditioning system is only designed in a countercurrent way aiming at a single working condition, and can only ensure countercurrent heat exchange under the single working condition when the refrigerant is switched through the two-position four-way valve, namely, when the air conditioner is switched from a refrigerating working condition to a heating working condition, only an outdoor condenser or an indoor evaporator can be in countercurrent, and the outdoor condenser and the indoor evaporator which cannot meet the refrigerating and heating working conditions at the same time are all in countercurrent heat exchange, so that higher heat exchange efficiency cannot be kept during the refrigerating and heating working conditions, and the energy efficiency of heat exchange is low.
Disclosure of Invention
The invention mainly aims to provide a control valve, an air conditioner system and an air conditioner, and aims to solve the problem that the existing control valve is low in heat exchange efficiency.
To achieve the above object, the present invention provides a control valve, wherein the control valve includes:
the valve body is provided with a valve cavity, and eight through openings are formed in the valve cavity along the circumferential direction of the valve cavity; the method comprises the steps of,
the valve core is movably arranged in the valve cavity in a sealing mode so as to have a first working position and a second working position;
the eight through holes are provided with first communication states which are communicated with each other at intervals in sequence at the first working position correspondingly;
the eight through holes are provided with second communication states which are communicated with each other at intervals in sequence, and the eight through holes are arranged in a staggered communication mode in the second communication state and the first communication state.
Optionally, the valve core moves along the length direction of the valve body, the valve body is provided with a first setting end and a second setting end which are opposite along the width direction of the valve body, the first setting end is provided with three through holes, and the second setting end is provided with another five through holes;
three communication grooves are formed in the valve core, the three communication grooves comprise first communication grooves formed in the position, facing the first setting end, of the valve core, and the first communication grooves can be used for switching and communicating two adjacent through holes in the three through holes;
The three communicating grooves further comprise two second communicating grooves which are arranged at the end part of the valve core towards the second arrangement end and are spaced along the length direction of the valve body, wherein one second communicating groove can be used for switching and communicating two adjacent through holes in the three through holes at one side, and the other second communicating groove can be used for switching and communicating two adjacent through holes in the three through holes at the other side;
in the movable stroke of the valve core, two ends of the valve cavity in the length direction are switched to form two end communicating cavities which are respectively used for communicating two through openings on the corresponding side.
The invention also provides an air conditioner system which is provided with a heating mode and a refrigerating mode, wherein the air conditioner system is provided with a refrigerant circulation loop, the refrigerant circulation loop comprises an outdoor refrigerant flow path and an indoor refrigerant flow path, the outdoor refrigerant flow path is provided with an outdoor flow regulating section flowing through an outdoor heat exchanger, and the indoor refrigerant flow path is provided with an indoor flow regulating section flowing through an indoor heat exchanger;
the refrigerant circulation loop is provided with a flow direction switching device which is used for switching the flow direction of the refrigerant on at least part of the refrigerant circulation loop so as to enable the air conditioner system to be switched between the refrigerating mode and the heating mode;
The outdoor flow regulating section has the same flow direction in the refrigerating mode and the heating mode, and the indoor flow regulating section has the same flow direction in the refrigerating mode and the heating mode.
Optionally, the flow direction switching device includes a control valve, where the control valve is set as the control valve, and the control valve includes:
the valve body is provided with a valve cavity, and eight through openings are formed in the valve cavity along the circumferential direction of the valve cavity; the method comprises the steps of,
the valve core is movably arranged in the valve cavity in a sealing mode so as to have a first working position and a second working position;
the eight through holes are provided with first communication states which are communicated with each other at intervals in sequence at the first working position correspondingly;
the eight through holes are provided with second communication states which are communicated with each other at intervals in sequence, and the eight through holes are arranged in a staggered communication mode in the second communication state and the first communication state.
Optionally, the air conditioner system further comprises a compressor, an outdoor heat exchanger, a throttle valve and an indoor heat exchanger;
the eight ports of the control valve comprise a first port, a second port, a third port, a fourth port, a fifth port, a sixth port, a seventh port and an eighth port which are sequentially arranged on the valve body, the first port, the second port and the third port are arranged on one side of the valve body, and the fourth port, the fifth port, the sixth port, the seventh port and the eighth port are arranged on the other side of the valve body;
The outdoor flow regulating section is positioned between the first port and the seventh port;
the indoor flow regulating section is positioned between the third port and the fifth port;
two ends of the throttle valve are respectively communicated with the fourth port and the eighth port;
and an exhaust port of the compressor is communicated with the second port, and an air return port is communicated with the sixth port.
Optionally, the air conditioner system further comprises a compressor, and the flow direction switching device comprises a four-way valve and a one-way valve assembly;
the four-way valve is used for switching the exhaust port of the compressor to be communicated with the refrigerant inlet of the indoor heat exchanger or the refrigerant inlet of the outdoor heat exchanger;
the one-way valve assembly comprises a plurality of one-way valves, and part of the one-way valves are connected with the outdoor heat exchanger in series and/or in parallel so as to enable the flow directions of the outdoor flow regulating sections to be the same;
and part of the one-way valves are connected with the indoor heat exchanger in series and/or in parallel so that the flow directions of the indoor flow regulating sections are the same.
Optionally, the air conditioner system further comprises a throttle valve, wherein the four-way valve is provided with a first communication port, a second communication port, a third communication port and a fourth communication port which are sequentially arranged;
The indoor flow regulating section is positioned between the second communication port and the throttle valve;
the outdoor flow regulating section is positioned between the fourth communication port and the throttle valve;
the exhaust port of the compressor is communicated with the first communication port, and the return air port is communicated with the third communication port.
Optionally, the plurality of one-way valves includes:
the two first series check valves are respectively arranged at two ends of the outdoor heat exchanger in series; the method comprises the steps of,
two first parallel check valves, one of which is connected in parallel with the outdoor heat exchanger and one of the first series check valves, and the other of which is connected in parallel with the outdoor heat exchanger and the other of which is connected in series;
the conduction directions of the two first series check valves are the same, the conduction directions of the two first parallel check valves are the same, the conduction directions of the first series check valves are opposite to the conduction directions of the first parallel check valves, and the conduction outlet of the first series check valve between the fourth communication port and the outdoor heat exchanger is communicated with the outdoor heat exchanger.
Optionally, the plurality of one-way valves includes:
Two second series check valves respectively arranged at two ends of the indoor heat exchanger in series; the method comprises the steps of,
two second parallel check valves, wherein one second parallel check valve is connected with the indoor heat exchanger and one second series check valve in parallel, and the other second parallel check valve is connected with the indoor heat exchanger and the other second series check valve in parallel;
the conduction directions of the two second series check valves are the same, the conduction directions of the two second parallel check valves are the same, the conduction directions of the second series check valves are opposite to the conduction directions of the second parallel check valves, and the conduction inlet of the second series check valve between the second communication port and the indoor heat exchanger is communicated with the indoor heat exchanger.
The invention also provides an air conditioner, which also comprises the air conditioner system, and the air conditioner system comprises:
the valve body is provided with a valve cavity, and eight through openings are formed in the valve cavity along the circumferential direction of the valve cavity; the method comprises the steps of,
the valve core is movably arranged in the valve cavity in a sealing mode so as to have a first working position and a second working position;
the eight through holes are provided with first communication states which are communicated with each other at intervals in sequence at the first working position correspondingly;
The eight through holes are provided with second communication states which are communicated with each other at intervals in sequence, and the eight through holes are arranged in a staggered communication mode in the second communication state and the first communication state.
According to the technical scheme, the control valve comprises a valve body and a valve core, wherein the valve body is provided with a valve cavity and eight through holes communicated with the valve cavity, the eight through holes are distributed along the circumferential direction of the valve cavity, the valve core is movably installed in the valve cavity in a sealing mode, the eight through holes are respectively communicated with a refrigerant inlet or a refrigerant outlet of a compressor, an indoor heat exchanger, a throttle valve and an outdoor heat exchanger in an air conditioning system, when the valve core is in a first working position, the eight through holes are provided with first communication states which are communicated in sequence in a pairwise mode at intervals, at the moment, the valve core corresponds to a refrigerating working condition of the air conditioning system, when the valve core moves to a second working position, the eight through holes are provided with second communication states which are communicated in sequence in a pairwise mode at intervals, the eight through holes are in staggered communication with the first communication states, at the moment, the eight through holes of the control valve core are controlled to be switched between the first positions and the second positions through the movement of the valve core, and the refrigerant flows to the same refrigerating chamber and the heat exchanger in the same refrigerating chamber in the same direction or the same refrigerating chamber in the same refrigerating chamber and the same refrigerating chamber.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of an embodiment of a control valve according to the present invention in a first operating position;
FIG. 2 is a schematic illustration of an embodiment of the control valve of FIG. 1 in a second operating position;
FIG. 3 is a schematic diagram of an embodiment of a control valve in a first operating position in an air conditioner system according to the present invention;
FIG. 4 is a schematic illustration of the control valve of the air conditioner system of FIG. 3 in a second operating position;
FIG. 5 is a schematic diagram of an embodiment of a four-way valve in a first adjustment position in an air conditioner system according to the present invention;
fig. 6 is a schematic diagram of a four-way valve in a second adjusting position in the air conditioner system according to the present invention. Reference numerals illustrate:
| reference numerals | Name of the name | Reference numerals | Name of the |
| 100 | Control valve | 1a | A |
| 200 | |
1b | |
| 300 | Outdoor heat exchanger | 2 | |
| 400 | Indoor heat exchanger | a | First communicating |
| 500 | Throttle valve | b | Second communicating |
| 600 | Four- |
3 | Four- |
| 1000 | |
31 | |
| 1 | Valve |
32 | Second communication port |
| 11 | A first through |
33 | |
| 12 | |
34 | |
| 13 | |
4 | Regulation ofValve |
| 14 | |
5 | First |
| 15 | Fifth through hole | 6 | First parallel check valve |
| 16 | Sixth through |
7 | Second |
| 17 | Seventh through |
8 | Second |
| 18 | Eighth through port |
The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present invention, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout includes three parallel schemes, for example "A and/or B", including the A scheme, or the B scheme, or the scheme where A and B are satisfied simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.
In the heat exchange system of the air conditioner, refrigerant medium passes through a compressor, an outdoor condenser, a throttle valve and a circulating line of an indoor evaporator, wherein the average temperature difference of a countercurrent heat exchanger is the largest, the heat exchange efficiency is the highest, and the countercurrent heat exchanger is a heat exchanger in which the flow direction of the refrigerant is opposite to the flow direction of air subjected to external heat exchange. However, the traditional air conditioning system is only designed in a countercurrent way aiming at a single working condition, and can only ensure that an outdoor condenser or an indoor evaporator can be in countercurrent while the refrigerants are switched through a two-position four-way valve, and can not simultaneously meet the conditions of refrigeration and heating, the outdoor condenser and the indoor evaporator can exchange heat in a full countercurrent way, so that higher heat exchange efficiency can not be maintained in the refrigeration and heating working conditions, and therefore, the energy efficiency of heat exchange is low.
In order to solve the above-mentioned problems, the present invention provides a control valve 100, and fig. 1 to 2 are specific embodiments of the control valve 100 provided by the present invention.
Referring to fig. 1 to 2, the control valve 100 includes a valve body 1 and a valve core 2, wherein the valve body 1 is formed with a valve cavity, and eight ports are provided on the valve cavity along the circumferential direction thereof; the valve core 2 is arranged in the valve cavity in a sealing and movable mode so as to have a first working position and a second working position; the eight through holes are provided with first communication states which are communicated with each other at intervals in sequence at the first working position correspondingly; the eight through holes are provided with second communication states which are communicated with each other at intervals in sequence, and the eight through holes are arranged in a staggered communication mode in the second communication state and the first communication state.
In the technical scheme provided by the invention, the control valve 100 comprises a valve body 1 and a valve core 2, wherein the valve body 1 is provided with a valve cavity and eight through openings communicated with the valve cavity, the eight through openings are distributed along the circumferential direction of the valve cavity, the valve core 2 is movably installed in the valve cavity in a sealing manner, the eight through openings are respectively communicated with the inlet or outlet of a refrigerant channel of the compressor 200, the indoor heat exchanger 400, the throttle valve 500 and the outdoor heat exchanger 300 in an air conditioning system, when the valve core 2 is in a first working position, the eight through openings are provided with a first communication state which is communicated in a sequence of two intervals, at the moment, corresponding to the refrigerating working condition of the air conditioning system, when the valve core 2 is moved to a second working position, the eight through openings are provided with a second communication state which is communicated in a sequence of two intervals, the eight through openings are respectively communicated with the inlet or outlet of a refrigerant channel of the air conditioning system in a staggered manner at the moment, the eight through the movement of the valve core 2 controls the eight through openings of the control valve 100 to flow in the first working condition and the same as the heating condition of the air conditioning system, namely, the refrigerant flows through the heat exchanger 400 and the refrigerant in the same refrigerating condition of the air conditioning system in the same direction as the heating mode under the heating mode.
Specifically, the valve body 1 and the valve core 2 are communicated with two through-holes through a formed communication cavity, in this embodiment, the valve core 2 is arranged to be shorter, so that the valve core 2 can move along the length direction of the valve body 1, in order to enable the valve core 2 to realize the switching function in the sliding process, eight through-holes can be arranged at two opposite side parts of the valve body 1, specifically, the valve body 1 is provided with a first arrangement end 1a and a second arrangement end 1b which are opposite in the width direction, three through-holes are arranged at the first arrangement end 1a, the other five through-holes are arranged at the second arrangement end 1b, in order to conduct two adjacent through-holes, a plurality of grooves can be concavely arranged at the periphery of the valve core 2, a cavity is formed between the grooves and the inner wall surface of the valve cavity, and the length of the groove can cover the distance between every two adjacent through holes, so that the formed cavity can play a role of communicating two through holes, specifically, in this embodiment, three communicating grooves are arranged on the valve core 2, one communicating groove is arranged on the valve core 2 towards the first setting end 1a, and when the valve core 2 moves, the communicating grooves can be correspondingly shown as being communicated from the middle through hole and one through hole on the adjacent upper side to the middle through hole and one through hole on the adjacent lower side, so that when the first communicating groove a is switched between a refrigerating mode and a heating mode, two adjacent through holes in the three through holes are switched between, and the like the same principle, because the second setting end 1b is provided with five through openings, five corresponding through openings are arranged at the end part of the valve core 2 facing the second setting end 1b, two second communication grooves b spaced along the length direction of the valve body 1 are arranged at the end part of the valve core, one of the two second communication grooves b can be used for switching two adjacent through openings of three through openings at one side, corresponding illustration is carried out, the second communication groove b can be used for communicating three through openings near the upper side, the other second communication groove b can be used for switching two adjacent through openings at the other side, the two adjacent through openings at the other side are correspondingly illustrated, the second communication groove b can be used for communicating three through openings near the lower side, and in order to enable the uppermost side and the lowermost side of the second setting end 1b to be used for switching the through openings at the one side, the two adjacent through openings at the uppermost side and the lowermost side of the first setting end 1a can be used for switching the through openings at the two side, the length of the valve cavity is also shorter than the length of the valve cavity at the two valve core 2, and the length of the valve cavity is also can be used for switching the two through openings at the two side of the valve core 2, and the length of the valve cavity is also can be used for switching the two adjacent through openings at the two side of the valve cavity, and the valve cavity is formed at the two side of the valve core 2.
Specifically, the valve element 2 may be driven by electromagnetic driving or pneumatic driving, and as an embodiment, a control mechanism may be provided at an end of the valve body 1 of the control valve 100, and the control mechanism includes a stationary core, an elastic member, and a movable core. The static iron core is fixedly connected to the valve body 1 and connected with the movable iron core through the elastic component, and the movable iron core is connected with the valve core 2. The static iron core is provided with an electromagnetic coil, when the electromagnetic coil is electrified, the electromagnetic coil can generate electromagnetic force to attract the movable iron core to overcome the elastic force of the elastic component to move towards the static iron core, and then the valve core 2 is driven to move to the second working position. When the electromagnetic coil is powered off, the elastic component drives the movable iron core to move away from the static iron core by means of self elastic force, and then the valve core 2 is driven to move to the first working position.
It should be noted that, considering that the valve core 2 is in direct contact with the inner wall surface of the valve cavity, in order to ensure smooth movement and sealing performance of the valve core 2, the valve core 2 may be made of a copper material or a plastic with self-lubricating property, and of course, the valve body 1 may also be made of a copper material, or other materials meeting the strength requirement may also be adopted.
The present invention also provides an air conditioner system 1000, referring to fig. 3 to 6, since the air conditioner system 1000 has a heating mode and a cooling mode, in the cooling mode, a refrigerant flows from the compressor 200 to the outdoor heat exchanger 300, then flows through the throttle valve 500 to the indoor heat exchanger 400, and finally returns to the compressor 200, in the heating mode, the refrigerant flows from the compressor 200 to the indoor heat exchanger 400, then flows through the throttle valve 500 to the outdoor heat exchanger 300, and finally returns to the compressor 200, so that on a refrigerant circulation loop of the air conditioner system 1000, the refrigerant circulation loop includes an outdoor refrigerant flow path and an indoor refrigerant flow path, the outdoor refrigerant flow path has an outdoor flow regulating section flowing through the outdoor heat exchanger 300, the indoor refrigerant flow path has an indoor flow regulating section flowing through the indoor heat exchanger 400, it is understood that the outdoor flow regulating section and the indoor flow regulating section are arranged in series on the refrigerant circulation loop, in order to realize that the outdoor flow-regulating section is arranged in the same direction as the air flow direction in the heating mode or in the cooling mode, i.e. is arranged in the opposite direction to the air flow direction in the outside, to form a full-counterflow outdoor heat exchanger 300, and simultaneously realize that the indoor flow-regulating section is arranged in the same direction as the air flow direction in the heating mode or in the cooling mode, i.e. is arranged in the opposite direction to the air flow direction in the outside, to form a full-counterflow indoor heat exchanger 400, in the present embodiment, a flow direction switching device is arranged on the refrigerant circulation circuit, and the flow direction switching device is used for switching the flow direction of the whole refrigerant circulation circuit, and simultaneously can also be used for switching the flow direction of the refrigerant in at least part of the refrigerant circulation circuit, so that when the air conditioner system 1000 is switched between the heating mode and the heating mode, the outdoor flow regulating section has the same flow direction in the refrigerating mode and the heating mode, and the indoor flow regulating section has the same flow direction in the refrigerating mode and the heating mode.
In the technical solution provided in the present invention, since the flow direction of the external heat exchange air is a fixed flow direction, in the refrigeration mode, the refrigerant flows from the compressor 200 to the outdoor heat exchanger 300, then flows to the indoor heat exchanger 400 through the throttle valve 500, and finally returns to the compressor 200, and a person skilled in the art can set the flow direction of the external heat exchange air to be opposite to the flow directions of the refrigerant of the indoor heat exchanger 400 and the refrigerant of the outdoor heat exchanger 300, thereby forming a countercurrent heat exchanger, achieving an optimal heat exchange state, when the air conditioner is switched to the heating mode, the refrigerant flows from the compressor 200 to the indoor heat exchanger 400, then flows to the outdoor heat exchanger 300 through the throttle valve 500, and finally returns to the compressor 200, but in order to enable the indoor heat exchanger 400 and the outdoor heat exchanger 300 to be in a countercurrent heat exchange state under the condition that the flow direction of the external heat exchange air is unchanged, when the refrigerant flows through the indoor heat exchanger 400 and the outdoor heat exchanger 300, the direction is still required to be set to be the same as the refrigerant flow direction in the refrigeration mode, so that the indoor heat exchanger 400 and the outdoor heat exchanger 300 can be guaranteed to realize full countercurrent heat exchange no matter in the heating mode or in the refrigeration mode, and the flow direction of the outdoor flow regulating section and the indoor flow regulating section is regulated by the flow direction switching device, so that the indoor heat exchanger 400 and the outdoor heat exchanger 300 can be reversely arranged with the flow direction of the external heat exchange air under the heating working condition and the refrigeration working condition, and the full countercurrent heat exchange is realized, and the problem that the heat exchange efficiency of the air conditioner system 1000 is low because the two heat exchangers of the existing air conditioner system 1000 can only realize full countercurrent heat exchange of one heat exchanger is solved.
The heat exchange manner of implementing the full reverse flow of the air conditioner system 1000 may be that a plurality of multi-way valves are mutually matched and switched, or that a plurality of one-way valves are matched and switched and regulated, but in order to make the pipeline arrangement as simple as possible and the cost as low as possible, a general air conditioner system implements the most functions with the simplest structure and line arrangement, specifically, please refer to fig. 3 to fig. 4, in the first embodiment, the flow direction switching device includes a control valve, which is set as the control valve 100, and because eight ports of the control valve 100 are configured to be in one-to-one correspondence with the refrigerant inlets and the refrigerant outlets of the compressor 200, the outdoor heat exchanger 300, the throttle valve 500 and the indoor heat exchanger 400, the eight ports of the control valve 100 are switched between the first position and the second position, and the flow direction of the refrigerant in the refrigerant circulation loop is controlled, so that the refrigerant flows through the indoor heat exchanger 400 in the refrigeration mode and the heating mode is the same, and the refrigerant flows through the indoor heat exchanger 400 in the heating mode and the heating mode is also the heating mode.
Specifically, referring to fig. 1 to 4, in the present embodiment, the air conditioner system 1000 further includes a compressor 200, an outdoor heat exchanger 300, a throttle valve 500, and an indoor heat exchanger 400, the compressor 200 has a discharge port and a return port, the indoor heat exchanger 400 has a refrigerant inlet and a refrigerant outlet, the outdoor heat exchanger 300 has a refrigerant inlet and a refrigerant outlet, the throttle valve 500 also has a refrigerant inlet and a refrigerant outlet, eight ports of the control valve 100 include a first port 11, a second port 12, a third port 13, a fourth port 14, a fifth port 15, a sixth port 16, a seventh port 17, and an eighth port 18 sequentially disposed on the valve body 1, the first port 11, the second port 12, and the third port 13 are disposed on one side of the valve body 1, the fourth port 14, the fifth port 15, the sixth port 16, the seventh port 17 and the eighth port 18 are provided on the other side of the valve body 1, wherein the first port 11 is used for communication with a refrigerant inlet of the outdoor heat exchanger 300, the second port 12 is used for communication with a gas outlet of the compressor 200, the third port 13 is used for communication with a refrigerant inlet of the indoor heat exchanger 400, the fourth port 14 is used for communication with a refrigerant outlet of the throttle valve 500, the fifth port 15 is used for communication with a refrigerant outlet of the indoor heat exchanger 400, the sixth port 16 is used for communication with a return air port of the compressor 200, the seventh port 17 is used for communication with a refrigerant outlet of the outdoor heat exchanger 300, the eighth port 18 is used for communication with a refrigerant inlet of the throttle valve 500, so arranged that the outdoor flow regulating section is located between the first port 11 and the seventh port 17, the indoor flow regulating section is located between the third port 13 and the fifth port 15, two ends of the throttle valve 500 are respectively communicated with the fourth port 14 and the eighth port 18, an exhaust port of the compressor 200 is communicated with the second port 12, and a return air port is communicated with the sixth port 16.
The working process of the air conditioning system is as follows; when the valve body 2 is at the first working position, the refrigerant is compressed by the compressor 200 to form a high-temperature and high-pressure state, the refrigerant is communicated with the first port 11 through the second port 12 from the refrigerant outlet of the compressor 200 and flows out of the first port 11 through the first communication groove a, flows to the refrigerant inlet of the outdoor heat exchanger 300, performs condensation heat exchange in the outdoor heat exchanger 300 to realize sufficient countercurrent heat exchange, forms a low-temperature state, flows from the refrigerant outlet of the outdoor heat exchanger 300 to the seventh port 17 of the control valve 100 again, the seventh port 17 is communicated with the eighth port 18 through the second communication groove b, the refrigerant flows from the eighth port 18 to the refrigerant inlet of the throttle valve 500, flows from the refrigerant outlet of the throttle valve 500 to the fourth port 14 after passing through the throttle valve 500, the fourth port 14 is communicated with the third port 13 through a communication cavity c formed by the valve core 2 and the inner wall of the valve cavity, the refrigerant flows to the refrigerant inlet of the indoor heat exchanger 400 through the third port 13, evaporates and exchanges heat in the indoor heat exchanger 400, absorbs heat of external air to form a refrigeration mode, and achieves sufficient heat exchange in reverse flow to form a relatively high-temperature state, and flows from the refrigerant outlet of the indoor heat exchanger 400 to the fifth port 15 of the control valve 100 through the indoor heat exchanger 400, the fifth port 15 is communicated with the sixth port 16 through the other second communication groove b, and the refrigerant flows out from the sixth port 16 to the air return port of the compressor 200, thereby completing a refrigerant circulation line, and the indoor unit is in the refrigeration mode.
When the valve core 2 is in the second working position, the refrigerant is compressed by the compressor 200 to form a high-temperature and high-pressure state, the refrigerant is communicated with the third port 13 from the refrigerant outlet of the compressor 200 through the second port 12 through the first communication groove a, flows out of the third port 13 and flows to the refrigerant inlet of the indoor heat exchanger 400, condensation and heat exchange are performed in the indoor heat exchanger 400, sufficient heat exchange is realized by countercurrent, the refrigerant is further communicated with the fifth port 15 of the control valve 100 from the refrigerant outlet of the indoor heat exchanger 400, the fifth port 15 is communicated with the fourth port 14 through the second communication groove b, the refrigerant is further communicated with the refrigerant outlet of the throttle valve 500 from the fourth port 14, the refrigerant is further communicated with the eighth port 18 from the refrigerant inlet of the throttle valve 500 through the communication cavity c formed by the valve core 2 and the inner wall of the valve cavity, the refrigerant is further communicated with the fifth port 15 through the fifth port, the refrigerant is further communicated with the refrigerant outlet of the control valve 300 through the fifth port, the refrigerant is further communicated with the heat exchanger 300 through the seventh port, the refrigerant is further communicated with the heat exchanger 300 through the heat exchanger through the fifth port 17, the refrigerant outlet of the heat exchanger 300 is further communicated with the heat exchanger 300, and the refrigerant is further communicated with the heat exchanger through the seventh port 300, and the refrigerant outlet of the heat exchanger is further communicated with the heat exchanger through the heat exchanger 300, and the refrigerant is further communicated with the refrigerant outlet of the heat exchanger through the heat exchanger 300 through the fifth port 300, and the refrigerant through the heat exchanger through the fifth port 300.
In another embodiment, referring to fig. 5 to 6, the air conditioner system 1000 further includes a compressor 200, the flow direction switching device includes a four-way valve 600 and a one-way valve assembly, the four-way valve 600 is similar to the conventional two-position four-way valve 600 in structure function, the four-way valve 600 is used for switching the connection between the exhaust port of the compressor 200 and the refrigerant inlet of the indoor heat exchanger 400 or the refrigerant inlet of the outdoor heat exchanger 300, but when the conventional four-way valve 600 is connected to the compressor 200, the indoor heat exchanger 400, the throttle valve 500 and the outdoor heat exchanger 300, one of the heat exchangers is inversely arranged with the flow direction of the external heat exchange air, that is, only one heat exchanger can be in a countercurrent heat exchange state, and in the process of switching the flow direction of the refrigerant, the directions of the indoor heat exchanger 400 and the outdoor heat exchanger 300 are also completely inversely reversed, so that only one heat exchanger forms a countercurrent heat exchange state, in this embodiment, when the two heat exchangers include a plurality of heat exchangers, and the indoor heat exchange valves are connected in parallel, and the same in parallel, or in series, and the same in parallel, and the same heat exchange section is connected to the outdoor heat exchanger 300.
Further, in the present embodiment, the air conditioner system 1000 further includes a throttle valve 500, the four-way valve 600 includes a four-way valve body 3, the four-way valve body 3 is formed with a four-way valve cavity, and a first communication port 31, a second communication port 32, a third communication port 33 and a fourth communication port 34 which are all communicated with the four-way valve cavity, the first communication port 31 is communicated with the air outlet of the compressor 200, the fourth communication port 34 is communicated with the refrigerant inlet of the outdoor heat exchanger 300, the third communication port 33 is communicated with the return air port of the compressor 200, and the second communication port 32 is communicated with the refrigerant outlet of the indoor heat exchanger 400; an adjusting valve core 4 is further arranged in the four-way valve body 3, a first conducting cavity, a second conducting cavity and a third conducting cavity are formed on the adjusting valve core 4 and the inner wall of the four-way valve cavity, the adjusting valve core 4 is movably arranged in the four-way valve cavity so as to have a first adjusting position and a second adjusting position, in the first working position, the first conducting cavity is communicated with the first communication port 31 and the fourth communication port 34, and the second conducting cavity is communicated with the third communication port 13 and the second communication port 12; in the second working position, the second conducting cavity is communicated with the fourth communication port 34 and the third communication port 33, and the third conducting cavity is communicated with the first communication port 31 and the second communication port 32. In order to realize the switching, the indoor flow regulating section is located between the second communication port 32 and the throttle valve 500, the outdoor flow regulating section is located between the fourth communication port 34 and the throttle valve 500, the exhaust port of the compressor 200 is communicated with the first communication port 31, and the return port is communicated with the third communication port 33.
Specifically, in this embodiment, the plurality of check valves includes two first serial check 5 valves and two first parallel check 5 valves 6, the two first serial check 5 valves are respectively connected in series at two ends of the outdoor heat exchanger 300, one of the two first parallel check valves 6 is connected in parallel with the outdoor heat exchanger 300 and one of the first serial check 5 valves, the other one of the first parallel check valves 6 is connected in parallel with the outdoor heat exchanger 300 and the other one of the first serial check 5 valves, wherein, in order to realize circulation, the conduction directions of the two first serial check 5 valves are the same, and the conduction outlet of the first serial check 5 valve between the fourth communication port 34 and the outdoor heat exchanger 300 is connected with the outdoor heat exchanger 300, so that when the regulating valve 4 of the four-way valve 600 is in the first regulating position, the refrigerant flowing out of the second communication port 32 can flow into the one of the heat exchangers 300 through the first heat exchanger 5 through the inlet of the first heat exchanger 300 and the refrigerant flowing out of the second communication port 32 can flow into the other one of the heat exchanger 300 through the serial check 5. The conduction directions of the two first parallel unidirectional valves 6 are the same, the conduction direction of the first serial unidirectional 5 valve is opposite to the conduction direction of the first parallel unidirectional valve 6, when the regulating valve core 4 of the four-way valve 600 is at the second regulating position, the refrigerant flowing out from the refrigerant outlet of the throttle valve 500 can enter the refrigerant inlet of the outdoor heat exchanger 300 through one first parallel unidirectional valve 6, and the refrigerant outlet of the outdoor heat exchanger 300 can flow into the second communication port 32 of the four-way valve 600 through the other first parallel unidirectional valve 6.
Specifically, the plurality of check valves include two second series check valves 7 and two second parallel check valves 8, the two second series check valves 7 are respectively connected in series at two ends of the indoor heat exchanger 400, two second parallel check valves 8, one of the second parallel check valves 8 is connected in parallel with the indoor heat exchanger 400 and one of the second series check valves 7, the other one of the second parallel check valves 8 is connected in parallel with the indoor heat exchanger 400 and the other one of the second series check valves 7, in order to realize circulation, the conduction directions of the two second series check valves 7 are the same, and the conduction inlet of the second series check valve 7 between the second communication port 32 and the indoor heat exchanger 400 is connected with the indoor heat exchanger 400, when the regulating valve core 4 of the four-way valve 600 is at a first regulating position, the refrigerant flowing out of the refrigerant outlet of the throttle valve 500 can enter the indoor heat exchanger 400 through one of the second series check valves 7, and the refrigerant flowing out of the four-way valve core 4 can flow out of the four-way valve 400 through the second series check valve 7, when the refrigerant flows out of the four-way valve core 4 is connected in the four-way valve core 4 through the same direction of the four-way valve 8, and the refrigerant flowing out of the four-way valve core 8 can flow out of the refrigerant through the four-way valve 8 is connected in the same direction as the four-way valve 8 through the regulating valve 8 when the refrigerant flows out of the four-way valve 8 through the second valve core 7 in the second parallel connection valve 8 at the second inlet 7 and the same direction, and the refrigerant inlet of the four-way valve 8 is connected in the same direction, and the refrigerant inlet of the four-way valve 4 is connected through the valve 6, the refrigerant flowing from the refrigerant outlet of the indoor heat exchanger 400 can flow into the refrigerant outlet of the throttle valve 500 through the other second parallel check valve 8.
The present invention also provides an air conditioner, the air conditioner includes the air conditioner system 1000, and the specific structure of the air conditioner system 1000 refers to the foregoing embodiments, and since the air conditioner adopts all the technical solutions of all the foregoing embodiments, at least has all the beneficial effects brought by all the technical solutions of all the foregoing embodiments, which are not described in detail herein.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, and all equivalent structural changes made by the description of the present invention and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the invention.
Claims (10)
1. A control valve, comprising:
the valve body is provided with a valve cavity, and eight through openings are formed in the valve cavity along the circumferential direction of the valve cavity; the method comprises the steps of,
the valve core is movably arranged in the valve cavity in a sealing mode so as to have a first working position and a second working position;
the eight through holes are provided with first communication states which are communicated with each other at intervals in sequence at the first working position correspondingly;
the eight through holes are provided with second communication states which are communicated with each other at intervals in sequence, and the eight through holes are arranged in a staggered communication mode in the second communication state and the first communication state.
2. The control valve of claim 1, wherein said valve spool is slidably disposed with respect to said valve body, said valve body having first and second disposed ends opposite each other on either side of a sliding direction of said valve spool, three of said ports being provided at said first disposed end and another five of said ports being provided at said second disposed end;
three communication grooves are formed in the valve core, the three communication grooves comprise first communication grooves formed in the position, facing the first setting end, of the valve core, and the first communication grooves can be used for switching and communicating two adjacent through holes in the three through holes;
the three communicating grooves further comprise two second communicating grooves which are arranged at the end part of the valve core towards the second arrangement end and are spaced along the length direction of the valve body, wherein one second communicating groove can be used for switching and communicating two adjacent through holes in the three through holes at one side, and the other second communicating groove can be used for switching and communicating two adjacent through holes in the three through holes at the other side;
in the movable stroke of the valve core, two ends of the valve cavity in the length direction are switched to form two end communicating cavities which are respectively used for communicating two through openings on the corresponding side.
3. An air conditioner system is characterized in that the air conditioner system is provided with a heating mode and a refrigerating mode, the air conditioner system is provided with a refrigerant circulation loop, the refrigerant circulation loop comprises an outdoor refrigerant flow path and an indoor refrigerant flow path, the outdoor refrigerant flow path is provided with an outdoor flow regulating section flowing through an outdoor heat exchanger, and the indoor refrigerant flow path is provided with an indoor flow regulating section flowing through an indoor heat exchanger;
the refrigerant circulation loop is provided with a flow direction switching device which is used for switching the flow direction of the refrigerant on at least part of the refrigerant circulation loop so as to enable the air conditioner system to be switched between the refrigerating mode and the heating mode;
the outdoor flow regulating section has the same flow direction in the refrigerating mode and the heating mode, and the indoor flow regulating section has the same flow direction in the refrigerating mode and the heating mode.
4. An air conditioner system according to claim 3, wherein the flow direction switching means comprises a control valve provided as the control valve according to any one of claims 1 to 2.
5. The air conditioner system as set forth in claim 4, further comprising a compressor, an outdoor heat exchanger, a throttle valve, and an indoor heat exchanger;
The eight ports of the control valve comprise a first port, a second port, a third port, a fourth port, a fifth port, a sixth port, a seventh port and an eighth port which are sequentially arranged on the valve body, the first port, the second port and the third port are arranged on one side of the valve body, and the fourth port, the fifth port, the sixth port, the seventh port and the eighth port are arranged on the other side of the valve body;
the outdoor flow regulating section is positioned between the first port and the seventh port;
the indoor flow regulating section is positioned between the third port and the fifth port;
two ends of the throttle valve are respectively communicated with the fourth port and the eighth port;
and an exhaust port of the compressor is communicated with the second port, and an air return port is communicated with the sixth port.
6. The air conditioner system as set forth in claim 3, further comprising a compressor, said flow direction switching means comprising a four-way valve and a one-way valve assembly;
the four-way valve is used for switching the exhaust port of the compressor to be communicated with the refrigerant inlet of the indoor heat exchanger or the refrigerant inlet of the outdoor heat exchanger;
The one-way valve assembly comprises a plurality of one-way valves, and part of the one-way valves are connected with the outdoor heat exchanger in series and/or in parallel so as to enable the flow directions of the outdoor flow regulating sections to be the same;
and part of the one-way valves are connected with the indoor heat exchanger in series and/or in parallel so that the flow directions of the indoor flow regulating sections are the same.
7. The air conditioner system as set forth in claim 6, further comprising a throttle valve having a first communication port, a second communication port, a third communication port and a fourth communication port arranged in this order;
the indoor flow regulating section is positioned between the second communication port and the throttle valve;
the outdoor flow regulating section is positioned between the fourth communication port and the throttle valve;
the exhaust port of the compressor is communicated with the first communication port, and the return air port is communicated with the third communication port.
8. The air conditioner system as set forth in claim 7, wherein a plurality of said check valves includes:
the two first series check valves are respectively arranged at two ends of the outdoor heat exchanger in series; the method comprises the steps of,
two first parallel check valves, one of which is connected in parallel with the outdoor heat exchanger and one of the first series check valves, and the other of which is connected in parallel with the outdoor heat exchanger and the other of which is connected in series;
The conduction directions of the two first series check valves are the same, the conduction directions of the two first parallel check valves are the same, the conduction directions of the first series check valves are opposite to the conduction directions of the first parallel check valves, and the conduction outlet of the first series check valve between the fourth communication port and the outdoor heat exchanger is communicated with the outdoor heat exchanger.
9. The air conditioner system as set forth in claim 7, wherein a plurality of said check valves includes:
two second series check valves respectively arranged at two ends of the indoor heat exchanger in series; the method comprises the steps of,
two second parallel check valves, wherein one second parallel check valve is connected with the indoor heat exchanger and one second series check valve in parallel, and the other second parallel check valve is connected with the indoor heat exchanger and the other second series check valve in parallel;
the conduction directions of the two second series check valves are the same, the conduction directions of the two second parallel check valves are the same, the conduction directions of the second series check valves are opposite to the conduction directions of the second parallel check valves, and the conduction inlet of the second series check valve between the second communication port and the indoor heat exchanger is communicated with the indoor heat exchanger.
10. An air conditioner comprising an air conditioner system as claimed in any one of claims 3 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111682587.5A CN116412556A (en) | 2021-12-31 | 2021-12-31 | Control valve, air conditioner system and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111682587.5A CN116412556A (en) | 2021-12-31 | 2021-12-31 | Control valve, air conditioner system and air conditioner |
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| CN116412556A true CN116412556A (en) | 2023-07-11 |
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|---|---|---|---|
| CN202111682587.5A Pending CN116412556A (en) | 2021-12-31 | 2021-12-31 | Control valve, air conditioner system and air conditioner |
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| Country | Link |
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| CN (1) | CN116412556A (en) |
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2021
- 2021-12-31 CN CN202111682587.5A patent/CN116412556A/en active Pending
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