CN113669864A - Heat pump type four-tube air conditioning system and control method of air conditioner with same - Google Patents
Heat pump type four-tube air conditioning system and control method of air conditioner with same Download PDFInfo
- Publication number
- CN113669864A CN113669864A CN202110924501.9A CN202110924501A CN113669864A CN 113669864 A CN113669864 A CN 113669864A CN 202110924501 A CN202110924501 A CN 202110924501A CN 113669864 A CN113669864 A CN 113669864A
- Authority
- CN
- China
- Prior art keywords
- valve
- electromagnetic valve
- way valve
- evaporator
- electromagnetic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004378 air conditioning Methods 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 38
- 238000005057 refrigeration Methods 0.000 claims description 34
- 238000007791 dehumidification Methods 0.000 claims description 29
- 238000001704 evaporation Methods 0.000 claims description 28
- 230000008020 evaporation Effects 0.000 claims description 24
- 239000003507 refrigerant Substances 0.000 claims description 17
- 238000007664 blowing Methods 0.000 claims description 7
- 238000011161 development Methods 0.000 claims description 4
- 238000002474 experimental method Methods 0.000 claims description 2
- 238000001816 cooling Methods 0.000 description 15
- 238000010586 diagram Methods 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000004075 alteration Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- 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
- F24F11/64—Electronic processing using pre-stored data
-
- 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
-
- 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
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
- F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
-
- 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
-
- 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
-
- 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
-
- 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
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/31—Expansion valves
- F25B41/34—Expansion valves with the valve member being actuated by electric means, e.g. by piezoelectric actuators
-
- 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
-
- 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
- F25B5/00—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity
- F25B5/02—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity arranged in parallel
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Signal Processing (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Fluid Mechanics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
A heat pump type four-tube air conditioning system comprises a compressor, a four-way valve, a condenser, a filter, a first electromagnetic valve, a first throttle module, a first stop valve, a first evaporator, a second electromagnetic valve, a second throttle module, a second stop valve, a second evaporator, a third stop valve, a fourth stop valve, a third electromagnetic valve and a fourth electromagnetic valve; an exhaust port of the compressor is connected with a D pipe connector of a four-way valve, a C pipe connector of the four-way valve is connected with an inlet of a condenser, an outlet of the condenser is connected with an inlet of a filter, and an outlet of the filter is respectively connected with a first electromagnetic valve and a second electromagnetic valve; a first throttling module, a first stop valve and a first evaporator are sequentially connected between the first electromagnetic valve and the third stop valve; a second throttling module, a second stop valve and a second evaporator are sequentially connected between the second electromagnetic valve and the fourth stop valve; the E pipe interface of the four-way valve is connected to the union pipe of the third electromagnetic valve and the fourth electromagnetic valve, and the S pipe interface of the four-way valve is connected with the air suction port of the compressor.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to a heat pump type four-tube air conditioner system and a control method of an air conditioner with the heat pump type four-tube air conditioner system.
Background
According to market research and patent retrieval, in the social life environment with the change of every day, the demand of people on life is continuously increased, the quality of life is also continuously improved, and the establishment of comfortable life and working environment is increasingly urgent; meanwhile, the air conditioner continuously enters common families, and every family can use the air conditioner, so that in recent years, along with the development of economy, the requirement of people on the indoor life quality is higher and higher, and the research on meeting sustainable development technology is particularly urgent.
At present, a household air conditioner generally uses a double-pipe wall-mounted air conditioner indoor unit, but due to the limitation of room space, the air conditioner is always mounted opposite to a bed when being mounted, the air conditioner is directly blown to the bodies of different users, the users feel different, people feel comfortable and feel uncomfortable, and the satisfaction of the users and the comfort of the use of the air conditioner are reduced; in order to solve the problems, a heat pump type four-tube air conditioning system is newly developed.
Disclosure of Invention
The invention aims to provide a heat pump type four-tube air conditioning system and a control method with the same, which have the advantages of simple and optimized system connection, low manufacturing cost, capability of meeting the air conditioning demand degree of different users in the same space, comfort and good experience of people, and capability of effectively improving the satisfaction degree of the users and the comfort of an air conditioner.
In order to achieve the above object, the present invention provides a heat pump type four-tube air conditioning system, which includes a compressor, a four-way valve, a condenser, a filter, a first solenoid valve, a first throttle module, a first stop valve, a first evaporator, a second solenoid valve, a second throttle module, a second stop valve, a second evaporator, a third stop valve, a fourth stop valve, a third solenoid valve, and a fourth solenoid valve; the discharge port of the compressor is connected with a four-way valve inlet D pipe, a four-way valve outlet C pipe is connected with the inlet of the condenser, the outlet of the condenser is connected with the inlet of the filter, and the outlet of the filter is respectively connected with the first electromagnetic valve and the second electromagnetic valve; a first throttling module, a first stop valve and a first evaporator are sequentially connected between the first electromagnetic valve and the third stop valve; and a second throttling module, a second stop valve and a second evaporator are sequentially connected between the second electromagnetic valve and the fourth stop valve. The E pipe interface of the four-way valve is connected to the union pipe of the third electromagnetic valve and the fourth electromagnetic valve, and the S pipe interface of the four-way valve is connected with the air suction port of the compressor.
Wherein, the first evaporator, the second evaporator and the condenser are respectively provided with a fan, and the evaporation fan is preferably a cross-flow fan; the throttling module can be a capillary tube, a throttling pipe, an electronic expansion valve and the like, the throttling module is preferably the capillary tube, and when the first throttling module and the second throttling module are selected to be the electronic expansion valves, the corresponding first electromagnetic valve and the corresponding second electromagnetic valve can be cancelled; the filter, the third electromagnetic valve and the fourth electromagnetic valve are used as optional parts in the system and are installed or not according to the requirements of users.
In one or more embodiments of the present invention, a full-area cooling/dehumidifying mode is provided, when the control is in the full-area cooling/dehumidifying mode, the four-way valve is switched to the cooling mode when the power is off, and the first electromagnetic valve and the second electromagnetic valve are respectively conducted to form two passages; the first passage conducts the first electromagnetic valve, the first throttling module, the first stop valve and the first evaporator, and then enters a four-way valve E pipe connector after passing through the third stop valve and the third electromagnetic valve, the four-way valve E pipe connector is connected with a four-way valve S pipe connector, and the four-way valve E pipe connector enters the compressor to form a loop after coming out of the four-way valve S pipe connector; the second passage conducts the second electromagnetic valve, the second throttling module, the second stop valve and the second evaporator, and then enters a four-way valve E pipe connector after passing through the fourth stop valve and the fourth electromagnetic valve, the four-way valve E pipe connector is connected with a four-way valve S pipe connector, and the four-way valve E pipe connector comes out of the four-way valve S pipe connector and enters the compressor to form a loop.
In one or more embodiments of the present invention, a single/full-area refrigeration/dehumidification use mode is provided, when the control is in the full-area refrigeration/dehumidification use mode, the four-way valve is switched to the refrigeration mode when the control is in the full-area refrigeration/dehumidification use mode, the first electromagnetic valve and the second electromagnetic valve are respectively conducted to form two paths, wherein the first path conducts the first electromagnetic valve, the first throttling module, the first stop valve and the first evaporator, and then enters a four-way valve E-tube interface after passing through the third stop valve and the third electromagnetic valve, the four-way valve E-tube interface is connected with a four-way valve S-tube interface, and a refrigerant enters the compressor to form a loop after exiting from the four-way valve S-tube interface; the second passage conducts the second electromagnetic valve, the second throttling module, the second stop valve and the second evaporator, and then enters a four-way valve E pipe connector after passing through the fourth stop valve and the fourth electromagnetic valve, the four-way valve E pipe connector is connected with a four-way valve S pipe connector, and refrigerant comes out from the four-way valve S pipe connector and enters the compressor to form a loop.
When the control is in a single-area refrigeration/dehumidification use mode, the four-way valve is switched to the refrigeration mode in a power-off mode, the controller conducts the electromagnetic valve of the evaporator of the corresponding area according to the area used by a user, other electromagnetic valves are closed, and the air conditioner is started. When a user needs to use the left area mode, namely the first electromagnetic valve and the third electromagnetic valve need to be opened, the air conditioner is started, and the second electromagnetic valve, the fourth electromagnetic valve and the second evaporation fan are closed; when the user wants to use the right zone mode, the second electromagnetic valve and the fourth electromagnetic valve need to be opened, the air conditioner is started, and the first electromagnetic valve, the third electromagnetic valve and the first evaporation fan are closed.
In one or more embodiments of the invention, the system is provided with a single-area refrigeration/dehumidification and single-area air supply use mode, the single-area refrigeration/dehumidification area is used according to the requirement of a user, the four-way valve is switched to the refrigeration mode when the power is off, the controller conducts the electromagnetic valve of the evaporator of the corresponding area, and the electromagnetic valve corresponding to the single-area air supply area is closed and the evaporation fan corresponding to the single-area air supply area is opened according to the requirement of the user. A user requires refrigeration/dehumidification of the left area, air supply is carried out in the right area, namely, the air conditioner is opened for use, the first electromagnetic valve, the third electromagnetic valve, the first evaporator fan and the second evaporator fan are opened, and the second electromagnetic valve and the fourth electromagnetic valve are closed; the user requires right area refrigeration/dehumidification, and left area air supply opens the air conditioner promptly and uses, opens second solenoid valve, fourth solenoid valve first evaporator fan and second evaporator fan, closes first solenoid valve, third solenoid valve.
In one or more embodiments of the invention, the air conditioner is provided with a single-zone refrigeration and single-zone dehumidification use mode, the single-zone refrigeration and single-zone dehumidification use mode is used according to the requirement of a user, the four-way valve is switched to a refrigeration mode when power is off, the controller conducts the electromagnetic valve of the evaporator of the corresponding zone, the air conditioner is started, the corresponding evaporation fan is turned on, and the rotating speed gear of the fan is controlled according to the requirement of the zone. A user requires refrigeration of the left area and dehumidification of the right area, namely, the air conditioner is turned on for use, all electromagnetic valves are turned on, the first evaporator fan operates at a corresponding rotating speed according to a wind speed gear set by the user, and the second evaporator fan operates at the lowest rotating speed; a user requires the right area to refrigerate, the left area dehumidifies, namely the air conditioner is opened for use, all the electromagnetic valves are opened, the second evaporator fan operates at a corresponding rotating speed according to a wind speed gear set by the user, and the first evaporator fan operates at the lowest rotating speed;
in one or more embodiments of the invention, a full-area heating mode is set, and when the control is in the full-area heating mode, the four-way valve is powered on to be switched to the heating mode. After the refrigerant comes out from an E pipe connector of the four-way valve, the refrigerant is divided into two parts according to a pipeline and respectively enters a first evaporator and a second evaporator, the first electromagnetic valve and the second electromagnetic valve are respectively communicated to form two passages, wherein the first passage is communicated with the first electromagnetic valve, the first throttling module, the first stop valve and the first evaporator, and then enters a C pipe connector of the four-way valve after passing through a filter and a condenser, the C pipe connector of the four-way valve is connected with an S pipe connector of the four-way valve, and the refrigerant comes out from the S pipe connector of the four-way valve and enters a compressor to form a loop; the second passage conducts the second electromagnetic valve, the second throttling module, the second stop valve and the second evaporator, then the second passage enters a C pipe joint of the four-way valve after passing through the filter and the condenser, the C pipe joint of the four-way valve is connected with an S pipe joint of the four-way valve, and the second passage comes out of the S pipe joint of the four-way valve and enters the compressor to form a loop.
In one or more embodiments of the invention, a single/full-area heating use mode is set, and when the control is in the full-area heating mode, the four-way valve is powered on to be switched to the heating mode. After the refrigerant comes out from an E pipe connector of the four-way valve, the refrigerant is divided into two parts according to a pipeline and respectively enters a first evaporator and a second evaporator, the first electromagnetic valve and the second electromagnetic valve are respectively communicated to form two passages, wherein the first passage is communicated with the first electromagnetic valve, the first throttling module, the first stop valve and the first evaporator, and then enters a C pipe connector of the four-way valve after passing through a filter and a condenser, the C pipe connector of the four-way valve is connected with an S pipe connector of the four-way valve, and the refrigerant comes out from the S pipe connector of the four-way valve and enters a compressor to form a loop; the second passage conducts the second electromagnetic valve, the second throttling module, the second stop valve and the second evaporator, then the second passage enters a C pipe joint of the four-way valve after passing through the filter and the condenser, the C pipe joint of the four-way valve is connected with an S pipe joint of the four-way valve, and the second passage comes out of the S pipe joint of the four-way valve and enters the compressor to form a loop.
When the control is in a single-area heating use mode, the four-way valve is switched to the heating mode in a power-off mode, the controller conducts the electromagnetic valve of the evaporator in the corresponding area according to the area used by the user, other electromagnetic valves are closed, and the air conditioner is started. When a user needs to use the left area heating use mode, namely the first electromagnetic valve and the third electromagnetic valve need to be opened, the air conditioner is started, and the second electromagnetic valve, the fourth electromagnetic valve and the second evaporation fan are closed; when the user wants to use the right zone mode, the second electromagnetic valve and the fourth electromagnetic valve need to be opened, the air conditioner is started, and the first electromagnetic valve, the third electromagnetic valve and the first evaporation fan are closed.
In one or more embodiments of the invention, the system is provided with a single-area heating and single-area air supply using mode, the four-way valve is switched to the heating mode when the power of the four-way valve is cut off according to the single-area heating area used by a user, the controller conducts the electromagnetic valve of the evaporator of the corresponding area, and the electromagnetic valve corresponding to the single-area air supply area used by the user is closed and the evaporation fan corresponding to the electromagnetic valve is opened according to the single-area air supply area used by the user. A user requires heating in the left area, air is supplied to the right area, namely the air conditioner is opened for use, the first electromagnetic valve, the third electromagnetic valve, the first evaporator fan and the second evaporator fan are opened, and the second electromagnetic valve and the fourth electromagnetic valve are closed; the user requires the right area to heat, and the air supply of left area, open the air conditioner promptly and use, open second solenoid valve, fourth solenoid valve, first evaporator fan and second evaporator fan, close first solenoid valve and third solenoid valve.
In one or more embodiments of the invention, a regional temperature setting mode is provided, according to the temperature set by the user requirement, the controller conducts the electromagnetic valve of the evaporator in the corresponding region to open, starts the air conditioner, and opens the corresponding evaporation fan and the rotating speed set by the user. Adjusting the opening of the electromagnetic valve preset by a program according to different area temperatures set by a user, and verifying the functional relation between the opening of the electromagnetic valve and the temperature through experiments in the development stage of the opening of the electromagnetic valve.
Due to the adoption of the scheme, the system connection is extremely simple and optimized, the manufacturing cost is low, and the cold and hot requirements of various air conditioners are met, so that people feel comfortable, the experience is good, and the satisfaction of users and the comfort of the air conditioners are effectively improved. Therefore, the product has excellent performance in both technical and economic aspects.
Drawings
FIG. 1 is a schematic diagram of a heat pump type four-tube air conditioning system in accordance with an embodiment of the present invention;
FIG. 2 is a schematic diagram illustrating the system operation of a heat pump type four-tube air conditioning system in a cooling/dehumidifying full-zone mode according to an embodiment of the present invention;
FIG. 3 is a schematic diagram illustrating the operation of a heat pump type four-tube air conditioning system in a left zone cooling/dehumidifying and right zone off mode according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of the system operation of a heat pump type four-tube air conditioning system in a right zone cooling/dehumidification, left zone off mode in accordance with an embodiment of the present invention;
FIG. 5 is a schematic diagram illustrating the operation of a heat pump four-tube air conditioning system in a left cooling/dehumidifying and right blowing mode according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of the system operation of a heat pump type four-tube air conditioning system in a right zone cooling/dehumidification and left zone blowing mode in accordance with an embodiment of the present invention;
FIG. 7 is a schematic diagram illustrating the system operation of a heat pump type four-tube air conditioning system in a full-area heating mode according to an embodiment of the present invention;
FIG. 8 is a schematic diagram illustrating the operation of a heat pump type four-tube air conditioning system in a left zone heating mode and a right zone off mode according to an embodiment of the present invention;
FIG. 9 is a schematic diagram illustrating the operation of a heat pump type four-tube air conditioning system in a right zone heating mode and a left zone shutdown mode according to an embodiment of the present invention;
FIG. 10 is a schematic diagram illustrating the operation of a heat pump type four-tube air conditioning system in a left zone heating mode and a right zone blowing mode according to an embodiment of the present invention;
FIG. 11 is a schematic diagram illustrating the operation of a heat pump type four-tube air conditioning system in a right zone heating mode and a left zone blowing mode according to an embodiment of the present invention;
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The technical scheme and the beneficial effects of the invention are clearer and clearer by further describing the specific implementation mode of the invention with the accompanying drawings of the specification; and are intended to be illustrative of the invention and not to be construed as limiting the invention.
As shown in fig. 1, an embodiment of the present invention preferably provides a heat pump type four-tube air conditioning system, which includes a compressor 1, a four-way valve 2, a condenser 3, a filter 4, a first electromagnetic valve 5, a first throttle module 6, a first stop valve 7, a first evaporator 8, a second electromagnetic valve 9, a second throttle module 10, a second stop valve 11, a second evaporator 12, a third stop valve 13, a third electromagnetic valve 14, a fourth stop valve 15, a fourth electromagnetic valve 16, a condensing fan 17, a first evaporating fan 18, and a second evaporating fan 19; the discharge port of the compressor 1 is connected with an inlet D pipe of a four-way valve 2, an outlet C pipe of the four-way valve 2 is connected with an inlet of a condenser 3, an outlet of the condenser 3 is connected with an inlet of a filter 4, and an outlet of the filter 4 is respectively connected with a first electromagnetic valve 5 and a second electromagnetic valve 9; a first throttling module 6, a first stop valve 7, a first evaporator 8 and a third stop valve 13 are sequentially connected between the first electromagnetic valve 5 and the third electromagnetic valve 14; and a second throttling module 10, a second stop valve 11, a second evaporator 12 and a fourth stop valve 15 are sequentially connected between the second electromagnetic valve 9 and the fourth electromagnetic valve 16.
The condenser 3, the first evaporator 8 and the second evaporator 12 are respectively provided with a condensing fan 17, a first evaporating fan 18 and a second evaporating fan 19.
As shown in fig. 2, during operation control, when the control is in the full-area cooling/dehumidifying mode, the four-way valve 2 is powered off, the four-way valve 2D pipe is connected with the four-way valve 2C pipe, the four-way valve 2E pipe is connected with the four-way valve 2S pipe, and the first solenoid valve 5 and the second solenoid valve 9 are respectively conducted to form two paths, wherein the first path conducts the first solenoid valve 5, the first throttling module 6, the first stop valve 7, the first evaporator 8, the third stop valve 13 and the third solenoid valve 14, then enters the four-way valve 2 through the E pipe, and flows out of the four-way valve 2S pipe to enter the suction port of the compressor 1 to form a loop;
the second passage is communicated with the second electromagnetic valve 9, the second throttling module 10, the second stop valve 11, the second evaporator 12, the fourth stop valve 15 and the fourth electromagnetic valve 16, then enters the four-way valve 2 through the E pipe, and flows out of the S pipe of the four-way valve 2 to enter the suction port of the compressor 1 to form a loop;
as shown in fig. 3 and 4, during operation control, when the control is in the single-area refrigeration/dehumidification use mode, the four-way valve 2 is powered off, the four-way valve 2D pipe is connected with the four-way valve 2C pipe, the four-way valve 2E pipe is connected with the four-way valve 2S pipe, and according to the area used by the user, the controller switches on the solenoid valve of the evaporator in the corresponding area, closes other solenoid valves, and starts the air conditioner. In the case shown in fig. 3, when the user wants to use the left zone-opening cooling/dehumidifying mode and the right zone-closing mode, i.e. the first solenoid valve 5, the third solenoid valve 14 and the first evaporation fan 18 need to be opened, the air conditioner is started, and the second solenoid valve 9, the fourth solenoid valve 16 and the second evaporation fan 19 are closed; in the case shown in fig. 4, when the user wants to use the right zone cooling/dehumidifying, left zone closing mode, i.e., the user wants to open the second solenoid valve 9, the fourth solenoid valve 16, and the second evaporation fan 19, the air conditioner is started, and the first solenoid valve 5, the third solenoid valve 14, and the first evaporation fan 18 are closed.
As shown in fig. 5 and 6, during operation control, when the control is in the single-region cooling/dehumidifying and single-region air supply use mode, the four-way valve 2 is powered off, the four-way valve 2D pipe is connected with the four-way valve 2C pipe, the four-way valve 2E pipe is connected with the four-way valve 2S pipe, the controller turns on the solenoid valve of the evaporator in the corresponding region according to the single-region cooling/dehumidifying region required by the user, and turns off the solenoid valve corresponding to the single-region air supply region required by the user, and turns on the evaporation fan corresponding to the solenoid valve. In the case shown in fig. 5, the user requests left zone cooling/dehumidification, right zone air supply, i.e. turns on the air conditioner for use, turns on the first solenoid valve 5, the third solenoid valve 14, the first evaporator fan 18 and the second evaporator fan 19, and turns off the second solenoid valve 9 and the fourth solenoid valve 16; in the case shown in fig. 6, the user requests right zone cooling/dehumidification, left zone blowing, i.e., turns on the air conditioner for use, turns on the second solenoid valve 9, the fourth solenoid valve 16, the first evaporator fan 18 and the second evaporator fan 19, and turns off the first solenoid valve 5 and the third solenoid valve 14.
As shown in fig. 7, during operation control, when the control is in the full heating mode, the four-way valve 2 is powered on, the four-way valve 2D tube is connected to the four-way valve 2E tube, the four-way valve 2C tube is connected to the four-way valve 2S tube, and the refrigerant is divided into two parts according to the pipeline after coming out of the four-way valve 2E tube, and enters the first evaporator 8 and the second evaporator 12, and the first solenoid valve 5 and the second solenoid valve 9 are respectively conducted to form two passages, as in the case shown in fig. 7, wherein the first passage conducts the third solenoid valve 14, the third stop valve 13, the first evaporator 8, the first stop valve 7, the first throttling module 6 and the first solenoid valve 5, and then enters the four-way valve 2C tube after passing through the filter 4 and the condenser 3, and enters the suction port of the compressor 1 from the four-way valve 2S tube to form a loop; the second path connects the fourth electromagnetic valve 16, the fourth stop valve 15, the second evaporator 12, the second stop valve 11, the second throttle module 10 and the second electromagnetic valve 9, and then enters the four-way valve 2C pipe after passing through the filter 4 and the condenser 3, and flows into the suction port of the compressor 1 from the four-way valve 2S pipe to form a loop.
As shown in fig. 8 and 9, in the operation control, when the control is in the single-zone heating use mode, the four-way valve 2 is powered on, the four-way valve 2D pipe is connected to the four-way valve 2E pipe, and the four-way valve 2C pipe is connected to the four-way valve 2S pipe. According to the area used by the user, the controller conducts the electromagnetic valve of the evaporator of the corresponding area, closes other electromagnetic valves and starts the air conditioner. In the case shown in fig. 8, when the user wants to use the left zone heating and right zone closing mode, i.e. the first solenoid valve 5, the third solenoid valve 14 and the first evaporator fan 18 need to be opened, the air conditioner is started, and the second solenoid valve 9, the fourth solenoid valve 16 and the second fan 19 are closed; in the case shown in fig. 9, when the user wants to use the right zone mode, that is, the user wants to open the second solenoid valve 9, the fourth solenoid valve 16, and the second evaporation fan 19, start the air conditioner, and close the first solenoid valve 5, the third solenoid valve 14, and the first evaporation fan 18.
As shown in fig. 10 and 11, during operation control, when the control is in the single-zone heating and single-zone air supply use mode, the four-way valve 2 is powered on, the four-way valve 2D tube is connected with the four-way valve 2E tube, the four-way valve 2C tube is connected with the four-way valve 2S tube, according to the single-zone heating zone required to be used by the user, the controller turns on the solenoid valve of the evaporator in the corresponding zone, according to the single-zone air supply zone required to be used by the user, the solenoid valve corresponding to the controller is closed, and the evaporation fan corresponding to the controller is opened. In the case shown in fig. 10, the user requests heating in the left area, blows air in the right area, i.e. turns on the air conditioner for use, turns on the first solenoid valve 5, the third solenoid valve 14, the first evaporator fan 18 and the second evaporator fan 19, and turns off the second solenoid valve 9 and the fourth solenoid valve 16; in the case shown in fig. 11, the user requests heating in the right area, and air is supplied in the left area, i.e. the air conditioner is turned on for use, the second solenoid valve 9, the fourth solenoid valve 16, the first evaporator fan 18 and the second evaporator fan 19 are turned on, and the first solenoid valve 5 and the third solenoid valve 14 are turned off.
By combining the above description and all the drawings, the system connection of the invention is simple and optimized, the manufacturing cost is low, and the invention meets the cold and hot requirements of various air conditioners, so that people feel comfortable, the experience is good, and the satisfaction of users and the comfort of the air conditioners are effectively improved. Therefore, the product has excellent performance in both technical and economic aspects.
While this invention has been described in terms of the preferred embodiments, there may be alterations, permutations, and equivalents, which fall within the scope of this invention; there are many alternative ways of implementing the invention. It is therefore intended that the following appended claims be interpreted as including all such alterations, permutations, and equivalents as fall within the true spirit and scope of the present invention; it will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and modifications and substitutions based on the known art are possible within the scope of the present invention, which is defined by the claims.
Claims (10)
1. A heat pump type four-tube air conditioning system is characterized in that: the system comprises a compressor, a four-way valve, a condenser, a filter, a first electromagnetic valve, a first throttling module, a first stop valve, a first evaporator, a second electromagnetic valve, a second throttling module, a second stop valve, a second evaporator, a third stop valve, a fourth stop valve, a third electromagnetic valve and a fourth electromagnetic valve; the discharge port of the compressor is connected with a four-way valve inlet D pipe, a four-way valve outlet C pipe is connected with the inlet of the condenser, the outlet of the condenser is connected with the inlet of the filter, and the outlet of the filter is respectively connected with the first electromagnetic valve and the second electromagnetic valve; a first throttling module, a first stop valve and a first evaporator are sequentially connected between the first electromagnetic valve and the third stop valve; and a second throttling module, a second stop valve and a second evaporator are sequentially connected between the second electromagnetic valve and the fourth stop valve. The E pipe interface of the four-way valve is connected to the union pipe of the third electromagnetic valve and the fourth electromagnetic valve, and the S pipe interface of the four-way valve is connected with the air suction port of the compressor.
2. A heat pump type four-tube air conditioning system according to claim 1, wherein said first evaporator, said second evaporator and said condenser are each provided with a fan, the evaporation fan being preferably a cross-flow fan; the throttling module can be a capillary tube, a throttling pipe, an electronic expansion valve and the like, the throttling module is preferably the capillary tube, and when the first throttling module and the second throttling module are selected to be the electronic expansion valves, the corresponding first electromagnetic valve and the corresponding second electromagnetic valve can be cancelled; the filter, the third electromagnetic valve and the fourth electromagnetic valve are used as optional parts in the system and are installed or not according to the requirements of users.
3. A control method of an air conditioner with a heat pump type four-tube air conditioning system is characterized in that a full-area refrigeration/dehumidification mode is set, when the control is in the full-area refrigeration/dehumidification mode, the four-way valve is switched to the refrigeration mode in a power-off mode, and a first electromagnetic valve and a second electromagnetic valve are respectively conducted to form two passages; the first passage conducts the first electromagnetic valve, the first throttling module, the first stop valve and the first evaporator, and then enters a four-way valve E pipe connector after passing through the third stop valve and the third electromagnetic valve, the four-way valve E pipe connector is connected with a four-way valve S pipe connector, and the four-way valve E pipe connector enters the compressor to form a loop after coming out of the four-way valve S pipe connector; the second passage conducts the second electromagnetic valve, the second throttling module, the second stop valve and the second evaporator, and then enters a four-way valve E pipe connector after passing through the fourth stop valve and the fourth electromagnetic valve, the four-way valve E pipe connector is connected with a four-way valve S pipe connector, and the four-way valve E pipe connector comes out of the four-way valve S pipe connector and enters the compressor to form a loop.
4. A control method of an air conditioner with a heat pump type four-tube air conditioning system is characterized in that a single/full-area refrigeration/dehumidification use mode is set, when the control is in the full-area refrigeration/dehumidification use mode, the four-way valve is switched to the refrigeration mode in a power-off mode, a first electromagnetic valve and a second electromagnetic valve are respectively conducted to form two passages, wherein a first passage conducts a first electromagnetic valve, a first throttling module, a first stop valve and a first evaporator, and then enters a four-way valve E-tube interface after passing through a third stop valve and a third electromagnetic valve, the four-way valve E-tube interface is connected with a four-way valve S-tube interface, and a refrigerant enters a compressor to form a loop after coming out of the four-way valve S-tube interface; the second passage conducts the second electromagnetic valve, the second throttling module, the second stop valve and the second evaporator, and then enters a four-way valve E pipe connector after passing through the fourth stop valve and the fourth electromagnetic valve, the four-way valve E pipe connector is connected with a four-way valve S pipe connector, and refrigerant comes out from the four-way valve S pipe connector and enters the compressor to form a loop.
When the control is in a single-area refrigeration/dehumidification use mode, the four-way valve is switched to the refrigeration mode in a power-off mode, the controller conducts the electromagnetic valve of the evaporator of the corresponding area according to the area used by a user, other electromagnetic valves are closed, and the air conditioner is started. When a user needs to use the left area mode, namely the first electromagnetic valve and the third electromagnetic valve need to be opened, the air conditioner is started, and the second electromagnetic valve, the fourth electromagnetic valve and the second evaporation fan are closed; when the user wants to use the right zone mode, the second electromagnetic valve and the fourth electromagnetic valve need to be opened, the air conditioner is started, and the first electromagnetic valve, the third electromagnetic valve and the first evaporation fan are closed.
5. A control method of an air conditioner with a heat pump type four-tube air conditioning system is characterized in that a single-area refrigeration/dehumidification and single-area air supply use mode is set, the single-area refrigeration/dehumidification area used according to user requirements is adopted, a four-way valve is switched to the refrigeration mode when power is cut off, a controller conducts electromagnetic valves of evaporators of corresponding areas, the corresponding electromagnetic valves are closed according to the single-area air supply area used according to the user requirements, and corresponding evaporation fans are opened. A user requires refrigeration/dehumidification of the left area, air supply is carried out in the right area, namely, the air conditioner is opened for use, the first electromagnetic valve, the third electromagnetic valve, the first evaporator fan and the second evaporator fan are opened, and the second electromagnetic valve and the fourth electromagnetic valve are closed; the user requires right area refrigeration/dehumidification, and left area air supply opens the air conditioner promptly and uses, opens second solenoid valve, fourth solenoid valve first evaporator fan and second evaporator fan, closes first solenoid valve, third solenoid valve.
6. A control method of an air conditioner with a heat pump type four-tube air conditioning system is characterized in that a single-zone refrigeration and single-zone dehumidification use mode is set, the single-zone refrigeration and single-zone dehumidification use mode is set according to user requirements, the four-way valve is switched to the refrigeration mode when power is off, a controller conducts an electromagnetic valve of an evaporator of a corresponding zone, the air conditioner is started, an evaporation fan corresponding to the air conditioner is started, and the rotating speed gear of the fan is controlled according to the zone requirements. A user requires refrigeration of the left area and dehumidification of the right area, namely, the air conditioner is turned on for use, all electromagnetic valves are turned on, the first evaporator fan operates at a corresponding rotating speed according to a wind speed gear set by the user, and the second evaporator fan operates at the lowest rotating speed; the user requires the refrigeration of the right area, and the dehumidification of the left area, namely, the air conditioner is opened for use, all solenoid valves are opened, the second evaporator fan operates at a corresponding rotating speed according to the set wind speed gear of the user, and the first evaporator fan operates at the lowest rotating speed.
7. A control method having a heat pump four-tube air conditioning system air conditioner according to claim 6, wherein a full-zone heating mode is provided, and wherein said four-way valve is electrically switched to a heating mode when control is in said full-zone heating mode. After the refrigerant comes out from an E pipe connector of the four-way valve, the refrigerant is divided into two parts according to a pipeline and respectively enters a first evaporator and a second evaporator, the first electromagnetic valve and the second electromagnetic valve are respectively communicated to form two passages, wherein the first passage is communicated with the first electromagnetic valve, the first throttling module, the first stop valve and the first evaporator, and then enters a C pipe connector of the four-way valve after passing through a filter and a condenser, the C pipe connector of the four-way valve is connected with an S pipe connector of the four-way valve, and the refrigerant comes out from the S pipe connector of the four-way valve and enters a compressor to form a loop; the second passage conducts the second electromagnetic valve, the second throttling module, the second stop valve and the second evaporator, then the second passage enters a C pipe joint of the four-way valve after passing through the filter and the condenser, the C pipe joint of the four-way valve is connected with an S pipe joint of the four-way valve, and the second passage comes out of the S pipe joint of the four-way valve and enters the compressor to form a loop.
8. A control method having a heat pump four-tube air conditioning system air conditioner according to claim 6, wherein a single/full zone heating use mode is provided, and wherein said four-way valve is electrically switched to a heating mode when control is in said full zone heating mode. After the refrigerant comes out from an E pipe connector of the four-way valve, the refrigerant is divided into two parts according to a pipeline and respectively enters a first evaporator and a second evaporator, the first electromagnetic valve and the second electromagnetic valve are respectively communicated to form two passages, wherein the first passage is communicated with the first electromagnetic valve, the first throttling module, the first stop valve and the first evaporator, and then enters a C pipe connector of the four-way valve after passing through a filter and a condenser, the C pipe connector of the four-way valve is connected with an S pipe connector of the four-way valve, and the refrigerant comes out from the S pipe connector of the four-way valve and enters a compressor to form a loop; the second passage conducts the second electromagnetic valve, the second throttling module, the second stop valve and the second evaporator, then the second passage enters a C pipe joint of the four-way valve after passing through the filter and the condenser, the C pipe joint of the four-way valve is connected with an S pipe joint of the four-way valve, and the second passage comes out of the S pipe joint of the four-way valve and enters the compressor to form a loop.
When the control is in a single-area heating use mode, the four-way valve is switched to the heating mode in a power-off mode, the controller conducts the electromagnetic valve of the evaporator in the corresponding area according to the area used by the user, other electromagnetic valves are closed, and the air conditioner is started. When a user needs to use the left area heating use mode, namely the first electromagnetic valve and the third electromagnetic valve need to be opened, the air conditioner is started, and the second electromagnetic valve, the fourth electromagnetic valve and the second evaporation fan are closed; when the user wants to use the right zone mode, the second electromagnetic valve and the fourth electromagnetic valve need to be opened, the air conditioner is started, and the first electromagnetic valve, the third electromagnetic valve and the first evaporation fan are closed.
9. A control method for an air conditioner having a heat pump type four-tube air conditioning system according to claim 6, wherein the air conditioner has a single-zone heating and single-zone blowing operation mode, the single-zone heating zone is operated according to the user's request, the four-way valve is switched to the heating mode when the power is off, the controller turns on the solenoid valve of the evaporator in the corresponding zone, and the single-zone blowing zone is operated according to the user's request, the solenoid valve is turned off, and the evaporator fan is turned on. A user requires heating in the left area, air is supplied to the right area, namely the air conditioner is opened for use, the first electromagnetic valve, the third electromagnetic valve, the first evaporator fan and the second evaporator fan are opened, and the second electromagnetic valve and the fourth electromagnetic valve are closed; the user requires the right area to heat, and the air supply of left area, open the air conditioner promptly and use, open second solenoid valve, fourth solenoid valve, first evaporator fan and second evaporator fan, close first solenoid valve and third solenoid valve.
10. A control method for an air conditioner having a heat pump type four tube air conditioning system as claimed in claim 6, wherein a zone temperature setting mode is provided, and according to the temperature set by the user, the controller turns on the solenoid valve of the corresponding zone evaporator to start the air conditioner, and turns on the corresponding evaporator fan and the rotation speed set by the user. Adjusting the opening of the electromagnetic valve preset by a program according to different area temperatures set by a user, and verifying the functional relation between the opening of the electromagnetic valve and the temperature through experiments in the development stage of the opening of the electromagnetic valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110924501.9A CN113669864A (en) | 2021-08-12 | 2021-08-12 | Heat pump type four-tube air conditioning system and control method of air conditioner with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110924501.9A CN113669864A (en) | 2021-08-12 | 2021-08-12 | Heat pump type four-tube air conditioning system and control method of air conditioner with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113669864A true CN113669864A (en) | 2021-11-19 |
Family
ID=78542320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110924501.9A Pending CN113669864A (en) | 2021-08-12 | 2021-08-12 | Heat pump type four-tube air conditioning system and control method of air conditioner with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113669864A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114517970A (en) * | 2022-04-02 | 2022-05-20 | 珠海市金品创业共享平台科技有限公司 | Air conditioner, air conditioner temperature and humidity control method and device and storage medium |
| CN114811770A (en) * | 2022-04-06 | 2022-07-29 | 珠海市金品创业共享平台科技有限公司 | Constant temperature control system and method, related equipment and air conditioner |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006214627A (en) * | 2005-02-02 | 2006-08-17 | Takasago Thermal Eng Co Ltd | Air conditioning system and its operation method |
| CN103591732A (en) * | 2013-10-23 | 2014-02-19 | Tcl空调器(中山)有限公司 | Air-conditioning system |
| CN104296331A (en) * | 2014-09-02 | 2015-01-21 | 宁波奥克斯空调有限公司 | Intelligent temperature control air conditioner and control method thereof |
| CN105588239A (en) * | 2015-03-06 | 2016-05-18 | 海信（山东）空调有限公司 | Air conditioner system |
| CN210951943U (en) * | 2019-10-14 | 2020-07-07 | 特灵空调系统(中国)有限公司 | Air conditioning system |
-
2021
- 2021-08-12 CN CN202110924501.9A patent/CN113669864A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006214627A (en) * | 2005-02-02 | 2006-08-17 | Takasago Thermal Eng Co Ltd | Air conditioning system and its operation method |
| CN103591732A (en) * | 2013-10-23 | 2014-02-19 | Tcl空调器(中山)有限公司 | Air-conditioning system |
| CN104296331A (en) * | 2014-09-02 | 2015-01-21 | 宁波奥克斯空调有限公司 | Intelligent temperature control air conditioner and control method thereof |
| CN105588239A (en) * | 2015-03-06 | 2016-05-18 | 海信（山东）空调有限公司 | Air conditioner system |
| CN210951943U (en) * | 2019-10-14 | 2020-07-07 | 特灵空调系统(中国)有限公司 | Air conditioning system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114517970A (en) * | 2022-04-02 | 2022-05-20 | 珠海市金品创业共享平台科技有限公司 | Air conditioner, air conditioner temperature and humidity control method and device and storage medium |
| CN114811770A (en) * | 2022-04-06 | 2022-07-29 | 珠海市金品创业共享平台科技有限公司 | Constant temperature control system and method, related equipment and air conditioner |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101592387B (en) | Method for controlling indoor machine during heating of multi-connected central air conditioner | |
| JPH07234038A (en) | Multiroom type cooling-heating equipment and operating method thereof | |
| CN113669791A (en) | Three-pipe type single-cooling air conditioning system and control method of air conditioner with same | |
| WO2022022642A1 (en) | Air conditioner and dehumidification method | |
| CN113669864A (en) | Heat pump type four-tube air conditioning system and control method of air conditioner with same | |
| KR20050111281A (en) | Unitary air conditioner and his control method | |
| CN111237857A (en) | Air conditioner dehumidification method and system capable of keeping constant temperature | |
| CN110822544A (en) | Fixed-frequency air conditioning system for improving indoor comfort | |
| CN113720034A (en) | Air conditioner circulation system and control method of air conditioner | |
| CN111442558B (en) | Temperature and humidity separately-controlled air conditioning system based on different evaporation temperatures of single machine and control method | |
| CN210179818U (en) | Air conditioner integrating air conditioner and cold and hot water machine | |
| CN113757963A (en) | Double-wind-zone four-tube type air conditioning system | |
| JPH09178284A (en) | Air-conditioner | |
| CN203785141U (en) | Dual temperature radiation heat pump room air conditioner capable of disposing fresh air | |
| CN112539453B (en) | Multi-split air conditioner and control method thereof | |
| CN113375290B (en) | Air conditioner and control method thereof | |
| CN111928343A (en) | Heat pump air conditioning system and defrosting method thereof | |
| CN111219803A (en) | Multi-split air conditioner and defrosting method thereof | |
| CN113757965A (en) | Four-pipe type single-cooling air conditioning system, air conditioner with same and control method | |
| CN113007867A (en) | Control method of multi-split air conditioning system | |
| CN217330059U (en) | Heat pump type three-tube air conditioning system | |
| CN114754425A (en) | Heat pump type three-pipe air conditioning system and control method thereof | |
| CN217330058U (en) | Four-pipe type air conditioning system | |
| CN113790480A (en) | Single-cooling air conditioning system capable of dehumidifying and not cooling and control method | |
| CN216977263U (en) | Air conditioner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20211119 |
|
| RJ01 | Rejection of invention patent application after publication |