CN105783137B - The control method of heating and air conditioner - Google Patents
The control method of heating and air conditioner Download PDFInfo
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- CN105783137B CN105783137B CN201610286066.0A CN201610286066A CN105783137B CN 105783137 B CN105783137 B CN 105783137B CN 201610286066 A CN201610286066 A CN 201610286066A CN 105783137 B CN105783137 B CN 105783137B
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- environment temperature
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Classifications
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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
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/08—Compressors specially adapted for separate outdoor units
- F24F1/10—Arrangement or mounting thereof
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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
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/14—Heat exchangers specially adapted for separate outdoor units
- F24F1/16—Arrangement or mounting thereof
-
- 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
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- 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
- F24F11/89—Arrangement or mounting of control or safety devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
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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
- F25B1/00—Compression machines, plants or systems with non-reversible cycle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
- F24F2110/12—Temperature of the outside air
Abstract
The invention discloses a kind of control methods of heating and air conditioner.Heating and air conditioner includes: duplex cylinder compressor, commutation component, outdoor heat exchanger, indoor heat exchanger, gas-liquid separator, the air entry of first cylinder is connected to the first liquid storage device, and the value range of the delivery space ratio of the second cylinder and the first cylinder is 1%~10%；The component that commutates includes the first valve port to the 4th valve port, and the 4th valve port is connected with the first liquid storage device；Gas-liquid separator includes gas vent, first interface and second interface, gas vent is connected with the second cylinder, it is in series with the adjustable first throttle element of aperture between first interface and outdoor heat exchanger, the second restricting element of fixed aperture is in series between second interface and indoor heat exchanger.The control method of heating and air conditioner of the invention, effectively improves energy efficiency of air conditioner.
Description
Technical field
The present invention relates to refrigerating fields, more particularly, to a kind of control method of heating and air conditioner.
Background technique
Current air-conditioning refrigeration system does not optimize circulation to the gaseous refrigerant after throttling and into before evaporator
Design causes gaseous refrigerant to influence evaporator heat exchange performance, and increases compressor compresses power consumption, to influence air conditioner
Efficiency is horizontal.The heating capacity water of air-conditioning system at low and ultra-low temperatures can be improved in air injection enthalpy-increasing and Two-stage Compression technology
It is flat, but for the cooling condition that air-conditioning is commonly used, efficiency is promoted very limited.
Summary of the invention
The present invention is directed to solve at least some of the technical problems in related technologies.
For this purpose, the present invention proposes a kind of control method of heating and air conditioner, energy efficiency of air conditioner can effectively improve, effectively
Promote energy-saving and emission-reduction.
The control method of heating and air conditioner according to an embodiment of the present invention, the heating and air conditioner include: twin-tub pressure
Contracting machine, the duplex cylinder compressor include shell, the first cylinder, the second cylinder and the first liquid storage device, and the shell is equipped with exhaust
Mouthful, first cylinder and second cylinder are respectively provided in the shell, and first liquid storage device is located at outside the shell,
The air entry of first cylinder is connected to first liquid storage device, the delivery space of second cylinder and first cylinder
The value range of ratio is 1%~10%；Commutate component, and the commutation component includes the first valve port to the 4th valve port, and described the
One valve port is connected to one of in the second valve port and third valve port, the 4th valve port and second valve port and described the
Another connection in three valve ports, first valve port are connected with the exhaust outlet, the 4th valve port and first liquid storage
Device is connected；Outdoor heat exchanger and indoor heat exchanger, the first end of the outdoor heat exchanger are connected with second valve port, the room
The first end of interior heat exchanger is connected with the third valve port；Gas-liquid separator, the gas-liquid separator include gas vent, first
Interface and second interface, the gas vent are connected with the air entry of second cylinder, the first interface and the outdoor
The second end of heat exchanger is connected, and the second interface is connected with the second end of the indoor heat exchanger, the first interface and institute
It states and is in series with the adjustable first throttle element of aperture between outdoor heat exchanger, between the second interface and the indoor heat exchanger
It is in series with the second restricting element of fixed aperture；The control method includes the following steps: to examine when refrigerating operaton according to first
The testing result for surveying object adjusts the aperture of the first throttle element to setting aperture；It is detected when heating operation according to second
The testing result of object adjusts the aperture of the first throttle element to aperture is set, wherein first test object includes room
External environment temperature, the running frequency of duplex cylinder compressor, the delivery temperature of exhaust outlet, the pressure at expulsion of exhaust outlet, from the gas
Export the intermediate pressure of the refrigerant of discharge, medium temperature, the gas-liquid separator temperature, gas of the refrigerant being discharged from the gas vent
At least one of liquid/gas separator pressure；Second test object includes the operation frequency of outdoor environment temperature, duplex cylinder compressor
Rate, the pressure at expulsion of exhaust outlet, the delivery temperature of exhaust outlet, the intermediate pressure for the refrigerant being discharged from the gas vent, from institute
State at least one of the medium temperature, gas-liquid separator temperature, pressure of the gas and liquid separator of the refrigerant of gas vent discharge.
The control method of heating and air conditioner according to an embodiment of the present invention can be with by the way that above-mentioned duplex cylinder compressor is arranged
Energy efficiency of air conditioner is effectively improved, energy-saving and emission-reduction are effectively facilitated, while by setting gas-liquid separator, heat exchange efficiency can be improved,
Compressor compresses power consumption is reduced, air conditioner ability and efficiency are further increased, can be very good opening for control first throttle element
Degree reaches default aperture, reaches optimum energy-saving effect.
In some embodiments of the invention, the first throttle element is electric expansion valve, second restricting element
For capillary or throttle valve.
In some embodiments of the invention, electricity is in series between the gas vent and the air entry of second cylinder
Magnet valve.
In some embodiments of the invention, the value range of gas-liquid separator volume is 100mL-500mL.
In some embodiments of the invention, first test object and/or second test object are outdoor ring
Border temperature T4 and delivery temperature obtain running frequency F according to the outdoor environment temperature T4 that detects first, and according to detecting
Setting delivery temperature is calculated in the outdoor environment temperature T4 and the running frequency F, then adjusts the first throttle member
The aperture of part is so that the delivery temperature detected reaches setting delivery temperature.
In some embodiments of the invention, first test object and/or second test object are outdoor ring
Border temperature T4 and pressure at expulsion obtain running frequency F according to the outdoor environment temperature T4 that detects first, and according to detecting
Setting pressure at expulsion is calculated in the outdoor environment temperature T4 and the running frequency F, then adjusts the first throttle member
The aperture of part is so that the pressure at expulsion detected reaches setting pressure at expulsion.
In some embodiments of the invention, first test object and/or second test object are outdoor ring
Border temperature T4 obtains running frequency F according to the outdoor environment temperature T4 detected first, and according to the outdoor ring detected
The setting aperture of the first throttle element is calculated in the border temperature T4 and running frequency F, then adjusts the first segment
The aperture of fluid element is to setting aperture.
In some embodiments of the invention, multiple outdoor temperature sections are preset, each outdoor temperature section is corresponding
The set temperature of the different gas-liquid separators, first test object and/or second test object are outdoor ring
The temperature of border temperature T4 and the gas-liquid separator, first according to it is actually detected to outdoor environment temperature T4 obtain where room
Then the set temperature of the corresponding gas-liquid separator of outer temperature range adjusts the aperture of the first throttle element until practical inspection
The temperature of the gas-liquid separator measured meets the set temperature.
In some embodiments of the invention, first test object and/or second test object are outdoor ring
Border temperature T4 and intermediate pressure；First running frequency F is obtained according to the outdoor environment temperature T4 that detects, and according to detecting
Setting intermediate pressure is calculated in the outdoor environment temperature T4 and the running frequency F, then adjusts the first throttle member
The aperture of part is so that the intermediate pressure detected reaches setting intermediate pressure.
Detailed description of the invention
Fig. 1 is the schematic diagram according to the heating and air conditioner of the embodiment of the present invention；
Fig. 2 is the schematic diagram according to the heating and air conditioner equipped with solenoid valve of the embodiment of the present invention；
Fig. 3 is the schematic diagram according to the duplex cylinder compressor of the embodiment of the present invention；
Fig. 4 is the flow chart of control method when being freezed according to the heating and air conditioner of the embodiment of the present invention；
Fig. 5 is the flow chart of control method when being heated according to the heating and air conditioner of the embodiment of the present invention.
Appended drawing reference:
Heating and air conditioner 100,
Duplex cylinder compressor 1, shell 10, the first cylinder 11, the second cylinder 12, the first liquid storage device 13, exhaust outlet 15,
Commutate component 2, the first valve port D, the second valve port C, third valve port E, the 4th valve port S,
Outdoor heat exchanger 3, indoor heat exchanger 4,
Gas-liquid separator 5, gas vent m, first interface f, second interface g,
First throttle element 6, the second restricting element 7,
Solenoid valve 20.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings.Below with reference to
The embodiment of attached drawing description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on the figure or
Positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected or can communicate each other；It can be directly connected, can also indirectly connected through an intermediary, it can be with
It is the interaction relationship of the connection or two elements inside two elements, unless otherwise restricted clearly.For this field
For those of ordinary skill, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
Heating and air conditioner 100 according to an embodiment of the present invention is described in detail with reference to Fig. 1-Fig. 3 first below, wherein changes in temperature
Type air conditioner 100 has refrigeration mode and heating mode.
As shown in Figure 1-Figure 3, heating and air conditioner 100 according to an embodiment of the present invention, comprising: duplex cylinder compressor 1, commutation
Component 2, outdoor heat exchanger 3 and indoor heat exchanger 4, gas-liquid separator 5, first throttle element 6, the second restricting element 7.It is wherein double
Cylinder compressor 1 includes shell 10, the first cylinder 11, the second cylinder 12 and the first liquid storage device 13, and shell 10 is equipped with exhaust outlet 15,
First cylinder 11 and the second cylinder 12 are respectively provided in shell 10, and the first liquid storage device 13 is located at outside shell 10, the first cylinder 11
Air entry is connected to the first liquid storage device 13.That is, the first cylinder 11 and the second cylinder 12 carry out independent compression process, from the
The compressed refrigerant and be drained into shell 10 respectively from the compressed refrigerant that the second cylinder 12 is discharged that one cylinder 11 is discharged
Then it is discharged from exhaust outlet 15.
The value range of the delivery space ratio of second cylinder 12 and the first cylinder 11 is 1%~10%.Further,
The value range of the delivery space ratio of two cylinders 12 and the first cylinder 11 is 1%~9%, it is preferable that the second cylinder 12 and the
The value range of the delivery space ratio of one cylinder 11 is 4%~9%.Such as second the exhaust of cylinder 12 and the first cylinder 11 hold
Product ratio can be the parameters such as 4%, 5%, 8% or 8.5%.
The component 2 that commutates includes the first valve port D to the 4th valve port S, in the first valve port D and the second valve port C and third valve port E
One of connection, the 4th valve port S are connected to another in the second valve port C and the third valve port E, the first valve port D and row
Port 15 is connected, and the 4th valve port S is connected with the first liquid storage device 13.The first end of outdoor heat exchanger 3 is connected with the second valve port C, room
The first end of interior heat exchanger 4 is connected with third valve port E.Specifically, when heating and air conditioner 100 is freezed, the first valve port D and the
Two valve port C are connected to and third valve port E is connected to the 4th valve port S, when heating and air conditioner 100 heats, the first valve port D and third
Valve port E is connected to and the second valve port C is connected to the 4th valve port S.Preferably, commutation component 2 is four-way valve.
Gas-liquid separator 5 includes gas vent m, first interface f and second interface g, gas vent m and the second cylinder 12
Air entry is connected, and first interface f is connected with the second end of outdoor heat exchanger 3, the second end of second interface g and indoor heat exchanger 4
It is connected, the adjustable first throttle element 6 of aperture, second interface g and interior is in series between first interface f and outdoor heat exchanger 3
The second restricting element 7 of fixed aperture is in series between heat exchanger 4.Optionally, first throttle element 6 is electric expansion valve, the
Two restricting elements 7 are capillary or throttle valve, it is of course possible to which understanding, first throttle element 6 can also be other apertures
Adjustable element such as heating power expansion valve.
When heating and air conditioner 100 is freezed, the high temperature and pressure refrigerant being discharged from the exhaust outlet 15 of duplex cylinder compressor 1 passes through
First valve port D and the second valve port C are drained into outdoor heat exchanger 3 and carry out condensation heat dissipation, and the liquid being discharged from outdoor heat exchanger 3 is cold
Matchmaker is drained into gas-liquid separator 5 from first interface f after the level-one reducing pressure by regulating flow of first throttle element 6 and carries out gas-liquid point
From the intermediate pressure gaseous coolant separated is drained into the second cylinder 12 from gas vent m to be compressed.
The intermediate pressure liquid refrigerant being discharged from the second interface g of gas-liquid separator 5 passes through the second level of the second restricting element 7
It is drained into indoor heat exchanger 4 and is exchanged heat to reduce indoor environment temperature after reducing pressure by regulating flow, is discharged from indoor heat exchanger 4 cold
Matchmaker is drained into the first liquid storage device 13 by third valve port E and the 4th valve port S, and the refrigerant being discharged from the first liquid storage device 13 is drained into
It is compressed in first cylinder 11.
When heating and air conditioner 100 heats, the high temperature and pressure refrigerant being discharged from the exhaust outlet 15 of duplex cylinder compressor 1 passes through
First valve port D and third valve port E, which is drained into indoor heat exchanger 4, carries out condensation heat dissipation to increase indoor environment temperature, from interior
The high-pressure liquid refrigerant that heat exchanger 4 is discharged is drained into gas from second interface g after the level-one reducing pressure by regulating flow of the second restricting element 7
Gas-liquid separation is carried out in liquid/gas separator 5, the intermediate pressure gaseous coolant separated is drained into the second cylinder 12 from gas vent m
Inside compressed.
The intermediate pressure liquid refrigerant being discharged from the first interface f of gas-liquid separator 5 passes through the second level of first throttle element 6
Be drained into outdoor heat exchanger 3 and exchange heat after reducing pressure by regulating flow, the refrigerant being discharged from outdoor heat exchanger 3 by the second valve port C and
4th valve port S is drained into the first liquid storage device 13, and the refrigerant being discharged from the first liquid storage device 13, which is drained into the first cylinder 11, to carry out
Compression.
From this analysis, the refrigerant of different pressures state has respectively entered first when heating and air conditioner 100 is run
In cylinder 11 and the second cylinder 12,12 complete independently compression process of the first cylinder 11 and the second cylinder is discharged from the first cylinder 11
Compressed refrigerant and being discharged to from the compressed refrigerant that the second cylinder 12 is discharged mixed in shell 10 after from 15 row of exhaust outlet
Out, simultaneously because the value range of the delivery space ratio of the second cylinder 12 and the first cylinder 11 is 1%~10%, flow is less
And the higher refrigerant of pressure state is drained into lesser second cylinder 12 of delivery space and is compressed, so as to improve energy
Effect, energy-saving and emission-reduction.
Simultaneously by being equipped with gas-liquid separator 5 between outdoor heat exchanger 3 and indoor heat exchanger 4, thus gas-liquid separator 5
It is expelled back into the second cylinder 12 and compresses after a part of gaseous coolant is separated, be flowed into room when thus reducing refrigeration
Gas content in the refrigerant of interior heat exchanger 4 and while reducing heating, are flowed into the gas content in the refrigerant of outdoor heat exchanger 3,
Reduce influence of the gaseous coolant to the heat exchange property of indoor heat exchanger 4 or outdoor heat exchanger 3 as evaporator, so as to
To improve heat exchange efficiency, compressor compresses power consumption is reduced.
Heating and air conditioner 100 according to an embodiment of the present invention can be mentioned effectively by the way that above-mentioned duplex cylinder compressor 1 is arranged
High energy efficiency of air conditioner effectively facilitates energy-saving and emission-reduction, while by setting gas-liquid separator 5, heat exchange efficiency can be improved, reduce pressure
Contracting machine compression power consumption, further increases air conditioner ability and efficiency.
As shown in Fig. 2, in some embodiments of the invention, being gone here and there between gas vent m and the air entry of the second cylinder 12
It is associated with solenoid valve 20, it, can be with by closing solenoid valve 20 thus when the liquid coolant in gas-liquid separator 5 exceeds safety levels
It avoids liquid refrigerants from entering in the second cylinder 12, so as to avoid duplex cylinder compressor 1 that liquid hammer occurs, extends duplex cylinder compressor
1 service life.It is possible to further which liquid level sensor is being arranged on gas-liquid separator 5, pass through the detection of liquid level sensor
As a result the open and-shut mode of solenoid valve 20 is controlled.
In some embodiments of the invention, the value range of the volume of gas-liquid separator 5 is 100mL-500mL.
Heating and air conditioner according to the above embodiment of the present invention (is set rated cooling capacity as 3.5kw, by by inventor
The delivery space ratio of two cylinders and the first cylinder is set as efficiency and existing cold-warm type sky 7.6%) under different operating conditions
It adjusts the efficiency of device to be at the same conditions compared, obtains following data:
| Measurement condition | Prior art efficiency | Technical solution of the present invention efficiency | Promotion ratio |
| Specified refrigeration | 3.93 | 4.26 | 8.40% |
| Centre refrigeration | 5.88 | 6.18 | 5.10% |
| Specified heating | 3.64 | 3.91 | 7.42% |
| Centre heating | 5.55 | 5.89 | 6.13% |
| Low-temperature heating | 2.57 | 2.73 | 6.23% |
| APF | 4.61 | 4.92 | 6.72% |
It follows that heating and air conditioner according to an embodiment of the present invention is relative to existing cold-warm type compressor, each work
Condition efficiency and whole year efficiency APF are obviously improved.
Inventor is by the cold-warm type air-conditioning of different rated cooling capacities and the embodiment of the present invention of different delivery spaces ratio simultaneously
Device is compared with the heating and air conditioner under existing identical operating condition, and discovery efficiency has promotion, such as inventor by examination
The heating and air conditioner for issuing after examination and approval the existing embodiment of the present invention (sets rated cooling capacity as 2.6kw, by the second cylinder and the first cylinder
Delivery space ratio is set as 9.2%) compared with the heating and air conditioner under existing identical operating condition, and efficiency improves 7.3%.
The control method of heating and air conditioner according to an embodiment of the present invention is described in detail below with reference to Fig. 1-Fig. 5, wherein
Heating and air conditioner is the heating and air conditioner according to the above embodiment of the present invention.
The control method of heating and air conditioner according to an embodiment of the present invention, when including the following steps: refrigerating operaton according to
To the aperture of the testing result of the first test object adjustment first throttle element to setting aperture.According to second when heating operation
The aperture of the testing result adjustment first throttle element of test object is to setting aperture.That is, being adopted when refrigeration and heating
Parameter needed for collection processing control first throttle element, then according to the obtained aperture of state modulator first throttle element until
Meet condition.
Wherein the first test object includes the exhaust temperature of outdoor environment temperature, the running frequency of duplex cylinder compressor, exhaust outlet
Degree, exhaust outlet pressure at expulsion, from gas vent be discharged refrigerant intermediate pressure, from gas vent be discharged refrigerant centre
At least one of temperature, gas-liquid separator temperature, pressure of the gas and liquid separator.
Second test object includes outdoor environment temperature, the running frequency of duplex cylinder compressor, the pressure at expulsion of exhaust outlet, row
The delivery temperature of port, from gas vent be discharged refrigerant intermediate pressure, from gas vent be discharged refrigerant medium temperature,
At least one of gas-liquid separator temperature, pressure of the gas and liquid separator.It is understood that the first test object and the second detection
Object can be the same or different.It needs to be illustrated, intermediate pressure and medium temperature can connect gas by detection
Refrigerant in the pipeline of body outlet and the second cylinder obtains.
After the aperture of first throttle element meets condition, can operation n seconds after, detect again the first test object or
Then second test object adjusts the aperture of first throttle element according to testing result, so repeats.Certain repeat condition is unlimited
In this, such as the first test object or the second test object can be detected again, then after receiving the operational order of user
The aperture of first throttle element is adjusted according to testing result.In other words, in refrigeration or heating, in opening for first throttle element
It, can be in operation n seconds or after receiving the operation signal of user, to the aperture of first throttle element after degree meets condition
Relevant parameter detects judgement again, then according to the aperture for determining result adjustment first throttle element, so repeats.
The control method of heating and air conditioner according to an embodiment of the present invention can be very good control first throttle element
Aperture reaches default aperture, reaches optimum energy-saving effect.
Control method according to an embodiment of the present invention is described in detail by taking six specific embodiments as an example below.
Embodiment 1:
In this embodiment, the first test object and/or the second test object are outdoor environment temperature T4 and delivery temperature,
Running frequency F is obtained according to the outdoor environment temperature T4 detected first, and according to the outdoor environment temperature T4 and fortune detected
Setting delivery temperature is calculated in line frequency F, then adjusts the aperture of first throttle element so that the delivery temperature detected
Reach setting delivery temperature.It is understood that calculation formula is located in advance in the electric control element of heating and air conditioner, calculate public
Formula can be limited specifically according to the actual situation.
Specifically, when the first test object is outdoor environment temperature T4 and delivery temperature, when refrigeration is switched on outside sensing chamber
Environment temperature T4 determines the running frequency F of compressor according to T4, determines setting delivery temperature TP according to T4 and F, wherein TP=
The value range of a1*F+b1+c1*T4, a1, b1, c1 can be corresponding with outdoor environment temperature T4, such as 20 DEG C >=T4: a1
Take -10--10；B1 takes -100--100；C1 takes-10-10；When 20 DEG C of T4≤30 DEG C <: a1 takes -8--8；B1 takes -80--80；
C1 takes-8-8；When 30 DEG C of T4≤40 DEG C <: a1 takes -9--9；B1 takes -90--90；C1 takes-6-6；When 40 DEG C of T4≤50 DEG C <
When: a1 takes -8--8；B1 takes -90--90；C1 takes-5-5；As 50 DEG C of < T4: a1 takes -10--10；B1 takes -100--100；c1
Take-5-5.Of course, it should be understood that the value of a1, b1, c1 are without being limited thereto, for example, can also with outdoor environment temperature T4 without
It closes, but it is preset in system.
It should be noted that when one of a1, b1 or simultaneously value be 0 when, it is believed that above in formula with this join
Number is unrelated, such as a1=0, that is, thinks unrelated with frequency F.
Then the operation aperture of first throttle element is adjusted according to TP.The rear stable operation in place of first throttle element regulation.n
Detect whether outdoor temperature T4 changes or whether user has operation again after second, first segment is then adjusted according to associated change
The aperture of fluid element.
For example, booting refrigerating operaton, detects that T4 temperature is 35 DEG C, inquires corresponding to compressor operating frequency under the T4 and should be
90HZ, the delivery temperature coefficient a1 in corresponding temperature section be 0.6, b1 20, c1 0.2, calculates setting delivery temperature TP=
0.6*90+20+0.2*35=81 adjusts first throttle element aperture: under initial opening according to Tp=81 DEG C of delivery temperature of setting
The TP detected has reached 90 degree, then opens big first throttle element, reaches Tp=81 DEG C of delivery temperature corresponding first segment of setting
Fluid element aperture, that is to say, that so that the delivery temperature detected reaches setting delivery temperature.First throttle element reaches target
Stable operation after aperture.T4 is detected after n seconds not change, and continues stable operation.
When the second test object is outdoor environment temperature T4 and delivery temperature, heating detects outdoor environment temperature when being switched on
T4 determines the running frequency F of compressor according to T4, determines setting delivery temperature TP according to T4 and F, wherein TP=a2*F+b2+
c2*T4；The value range of a2, b2, c2 can be corresponding with outdoor environment temperature T4, such as when 5 DEG C of T4≤15 DEG C <: a2 takes-
8--8；B2 takes -80--80；C2 takes-8-8；As 15 DEG C of < T4: a2 takes -9--9；B2 takes -90--90；C2 takes-6-6.Certainly
It is understood that the value of a2, b2, c2 are without being limited thereto, such as can also be unrelated with outdoor environment temperature T4, but in system
It is preset.It should be noted that when one of a2, b2 or simultaneously value be 0 when, it is believed that above in formula with this
Parameter is unrelated, such as a2=0, that is, thinks unrelated with frequency F.
Then the operation aperture of first throttle element is adjusted according to TP.The rear stable operation in place of first throttle element regulation.n
Detect whether outdoor temperature T4 changes or whether user has operation again after second, first segment is then adjusted according to associated change
Fluid element aperture.
Such as when booting heating operation, detects that T4 temperature is 7 DEG C, inquire corresponding to compressor operating frequency under the T4 and should be
75HZ, the delivery temperature coefficient a2 in corresponding temperature section be 0.4, b2 10, c2 5, calculates delivery temperature Tp=0.4*75+
10+5*7=75 adjusts first throttle element aperture: the Tp detected under initial opening according to Tp=75 DEG C of delivery temperature of setting
70 DEG C are had reached, then turns down expansion valve, reaches Tp=75 DEG C of delivery temperature corresponding first throttle element aperture of setting, that is,
It says so that the delivery temperature detected reaches setting delivery temperature.First throttle element reaches stable operation after target aperture.N seconds
Detection T4 does not change afterwards, continues stable operation.
It needs to be illustrated, heating and air conditioner is when outdoor environment temperature T4 is lower than 5 DEG C or less, it is easy to tie
Frost, delivery temperature can constantly change, then cannot be adjusted in that case according to delivery temperature.
In this embodiment, the running frequency of compressor is to be determined by outdoor environment temperature, such as make a reservation for multiple outdoors
Environment temperature section, multiple outdoor environment temperature sections respectively correspond multiple compressor operating frequencies, inquire the outdoor detected
Outdoor environment temperature section where environment temperature, can be obtained corresponding compressor operating frequency.Of course, it should be understood that
The running frequency of compressor can also be detected and setting detection device on the compressor.
Embodiment 2:
In this embodiment, the first test object and/or the second test object are outdoor environment temperature T4 and pressure at expulsion,
Running frequency F is obtained according to the outdoor environment temperature T4 detected first, and according to the outdoor environment temperature T4 and fortune detected
Setting pressure at expulsion is calculated in line frequency F, then adjusts the aperture of first throttle element so that the pressure at expulsion detected
Reach setting pressure at expulsion.
Specifically, when the first test object is outdoor environment temperature T4 and pressure at expulsion, when refrigeration is switched on outside sensing chamber
Environment temperature T4 determines the running frequency F of compressor according to T4, determines setting pressure at expulsion Pp according to T4 and F；Wherein Pp=
a3*F+b3+c3*T4；The value range of a3, b3, c3 can be corresponding with outdoor environment temperature T4, such as 20 DEG C >=T4: a3
Take -5--5；B3 takes -8--8；C3 takes-1-1；When 20 DEG C of T4≤30 DEG C <: a3 takes-5-5；B3 takes -10--10；C3 takes-2-
2；When 30 DEG C of T4≤40 DEG C <: a3 takes -5--5；B3 takes -12--12；C3 takes-3-3；When 40 DEG C of T4≤50 DEG C <: a3 takes-
6--6；B3 takes -15--15；C3 takes-4-4；As 50 DEG C of < T4: a3 takes -7--7；B3 takes -20--20；C3 takes-5-5.Certainly
It is understood that the value of a3, b3, c3 are without being limited thereto, such as can also be unrelated with outdoor environment temperature T4, but in system
It is preset.It should be noted that when one of a3, b3 or simultaneously value be 0 when, it is believed that above in formula with this
Parameter is unrelated, such as a3=0, that is, thinks unrelated with frequency F.
Then the operation aperture of first throttle element is adjusted according to Pp.The rear stable operation in place of first throttle element regulation.n
Detect whether outdoor temperature T4 changes or whether user has operation again after second, first segment is then adjusted according to associated change
Fluid element aperture.
Such as booting refrigerating operaton, it detects that T4 temperature is 35 DEG C, inquires corresponding to compressor operating frequency under the T4 and should be
80HZ, the pressure at expulsion coefficient a3 in corresponding temperature section be 0.02, b3 0.7, c3 0.02, calculates pressure at expulsion Pp=
0.02*80+0.7+0.02*35=3.0 adjusts first throttle element aperture according to setting pressure at expulsion Pp=3.0MPa: initial
It detects that pressure at expulsion Pp has reached 2.5MPa under aperture, then turns down first throttle element, reach setting pressure at expulsion Pp=
The corresponding first throttle element aperture of 3.0MPa, that is to say, that so that the pressure at expulsion detected reaches setting pressure at expulsion.The
One restricting element reaches stable operation after target aperture, and T4 is detected after n seconds and is not changed, stable operation is continued.
When the second test object is outdoor environment temperature T4 and pressure at expulsion, heating detects outdoor environment temperature when being switched on
T4 determines the running frequency F of compressor according to T4, determines setting pressure at expulsion Pp according to T4 and F；Wherein Pp=a4*F+b4+
c4*T4；The value range of a4, b4, c4 can be corresponding with outdoor environment temperature T4, such as -15 DEG C >=T4: a4 takes -10--
10；B4 takes -8--8；C4 takes-5-5；As-15 DEG C of < T4≤- 5 DEG C: a4 takes-12-12；B4 takes -10--10；C4 takes-6-6；
When -5 DEG C of T4≤5 DEG C <: a4 takes -15--15；B4 takes -12--12；C4 takes-7-7；When 5 DEG C of T4≤15 DEG C <: a4 takes-
18--18；B4 takes -15--15；C4 takes-8-8；As 15 DEG C of < T4: a4 takes -20--20；B4 takes -18--18；C4 takes-9-9.
Of course, it should be understood that the value of a4, b4, c4 are without being limited thereto, such as can also be unrelated with outdoor environment temperature T4, but it is
It is preset in system.It should be noted that when one of a4, b4 or simultaneously value be 0 when, it is believed that above in formula with
This parameter is unrelated, such as a4=0, that is, thinks unrelated with frequency F.
Then the operation aperture of first throttle element is adjusted according to Pp.The rear stable operation in place of first throttle element regulation.n
Detect whether outdoor temperature T4 changes or whether user has operation again after second, first segment is then adjusted according to associated change
Fluid element aperture.
Such as booting heating operation, it detects that T4 temperature is 7 DEG C, inquires corresponding to compressor operating frequency under the T4 and should be
75HZ, the a4 in corresponding temperature section be 0.02, b4 0.9, c4 0.02, calculates pressure at expulsion Pp=0.02*80+0.9+
0.02*35=3.2 adjusts the aperture of first throttle element: detecting under initial opening according to setting pressure at expulsion Pp=3.2MPa
To pressure at expulsion Ps have reached 3.0MPa, then turn down first throttle element, it is corresponding to reach setting pressure at expulsion Ps=3.2MPa
First throttle element aperture, that is to say, that so that the pressure at expulsion detected reaches setting pressure at expulsion.Reach target aperture
Stable operation afterwards.T4 is detected after n seconds not change, and continues stable operation.
In this embodiment, the running frequency of compressor is to be determined by outdoor environment temperature, such as make a reservation for multiple outdoors
Environment temperature section, multiple outdoor environment temperature sections respectively correspond multiple compressor operating frequencies, inquire the outdoor detected
Outdoor environment temperature section where environment temperature, can be obtained corresponding compressor operating frequency.Of course, it should be understood that
The running frequency of compressor can also be detected and setting detection device on the compressor.
Embodiment 3:
In this embodiment, the first test object and/or the second test object are outdoor environment temperature T4, first according to inspection
The outdoor environment temperature T4 measured obtains running frequency F, and is calculated according to the outdoor environment temperature T4 and running frequency F detected
The setting aperture of first throttle element is obtained, then adjusts the aperture of first throttle element to setting aperture.
Specifically, when the first test object is outdoor environment temperature T4, outdoor environment temperature T4 is detected when refrigeration starts；
Compressor operating frequency F is determined according to T4, and the setting aperture Lr of first throttle element is determined according to T4 and F；Wherein set aperture
Lr=a5*F+b5+c5*T4；Wherein the value range of a5, b5, c5 can be corresponding with outdoor environment temperature T4, such as default difference
Outdoor environment temperature section correspond to the value range of different a5, b5, c5, then can limit according to the actual situation a5, b5,
The value of c5.
Compare the setting aperture Lr of first throttle element and the difference of first throttle element initial opening, it is such as consistent, do not have to
It adjusts, it is such as inconsistent, then it adjusts to setting aperture Lr.The rear stable operation in place of first throttle element regulation.It is detected again after n seconds
Whether outdoor temperature T4 changes or whether user has operation, then adjusts first throttle element aperture according to associated change.
When the second test object is outdoor environment temperature T4, outdoor environment temperature T4 is detected when heating starts；According to T4
It determines compressor operating frequency F, the setting aperture Lr of first throttle element is determined according to T4 and F；Wherein set aperture Lr=a6*
F+b6+c6*T4；Wherein the value range of a6, b6, c6 can be corresponding with outdoor environment temperature T4, such as -15 DEG C >=T4:
A6 takes -20--20；B6 takes -200--200；C6 takes-10-10；As -15 DEG C of < T4≤- 5 DEG C: a6 takes -18--18；B6 takes-
180--180；C6 takes-9-9；When -5 DEG C of T4≤5 DEG C <: a6 takes -15--15；B6 takes -150--150；C6 takes-8-8.Certainly may be used
With understanding, the value of a6, b6, c6 are without being limited thereto, such as can also be unrelated with outdoor environment temperature T4, but pre- in system
First set.It should be noted that when one of a6, b6 or simultaneously value be 0 when, it is believed that above in formula with this join
Number is unrelated, such as a6=0, that is, thinks unrelated with frequency F.
Compare the setting aperture Lr of first throttle element and the difference of first throttle element initial opening, it is such as consistent, do not have to
It adjusts, it is such as inconsistent, then it adjusts to setting aperture Lr.The rear stable operation in place of first throttle element regulation.It is detected again after n seconds
Whether outdoor temperature T4 changes or whether user has operation, then adjusts first throttle element aperture according to associated change.
Such as booting heating operation, it detects that T4 temperature is -7 DEG C, inquires corresponding to compressor operating frequency under the T4 and should be
90HZ, the expansion valve opening coefficient a6 in corresponding temperature section be 1.2, b6 80, c6 3, calculates expansion valve opening Lr=
1.2*90+80+3* (- 7)=167 adjusts first throttle element aperture: first throttle element according to setting aperture Lr=167 step
Initial opening Lr is 200 steps, then turns down first throttle element, reaches setting aperture Lr=167 step.First throttle element, which reaches, to be set
Determine stable operation after aperture.T4 is detected after n seconds not change, and continues stable operation.
In this embodiment, the running frequency of compressor is to be determined by outdoor environment temperature, such as make a reservation for multiple outdoors
Environment temperature section, multiple outdoor environment temperature sections respectively correspond multiple compressor operating frequencies, inquire the outdoor detected
Outdoor environment temperature section where environment temperature, can be obtained corresponding compressor operating frequency.Of course, it should be understood that
The running frequency of compressor can also be detected and setting detection device on the compressor.
Embodiment 4:
In this embodiment, multiple outdoor temperature sections are preset, each outdoor temperature section corresponds to different gas-liquid separations
The temperature of device, the first test object and/or the second test object are the temperature of outdoor environment temperature T4 and gas-liquid separator, first
According to it is actually detected to outdoor environment temperature T4 obtain where the corresponding gas-liquid separator in outdoor temperature section setting temperature
Degree, then adjust the aperture of first throttle element until it is actually detected to the temperature of gas-liquid separator meet set temperature.
Specifically, when the first test object is the temperature of outdoor environment temperature T4 and gas-liquid separator, refrigeration booting fortune
The temperature Ts that outdoor environment temperature T4 and gas-liquid separator are detected when row is inquired corresponding according to the outdoor environment temperature T4 detected
The corresponding gas-liquid separator in outdoor temperature section set temperature, such as the setting temperature in outdoor temperature section and gas-liquid separator
The corresponding relationship of degree can be such that as 20 DEG C >=T4: Ts takes 0-30；When 0 DEG C of T4≤30 DEG C <: Ts takes 0-40；When 30 DEG C
When T4≤40 DEG C <: Ts takes 0-50；When 40 DEG C of T4≤50 DEG C <: Ts takes 0-60；As 50 DEG C of < T4: Ts takes 0-65.When
It so it is understood that above-mentioned numerical value is exemplary illustration, and is not to specific restriction of the invention.
Then the aperture of first throttle element is adjusted, so that the temperature Ts of the gas-liquid separator detected meets setting temperature
Degree.
Such as booting refrigerating operaton, it detects that T4 temperature is 35 DEG C, inquires under the section T4 and correspond to gas-liquid separator temperature
Ts should be 26 DEG C, detects that the temperature Ts of gas-liquid separator has reached 20 DEG C under initial opening, then opens big first throttle element, reach
To Ts=26 DEG C of set temperature corresponding first throttle element aperture, that is to say, that so that the temperature of the gas-liquid separator detected
Ts reaches set temperature.First throttle element reaches stable operation after target aperture.T4 is detected after n seconds not change, and is continued steady
Fixed operation.
When the second test object is the temperature of outdoor environment temperature T4 and gas-liquid separator, heating booting detects when running
The temperature Ts of outdoor environment temperature T4 and gas-liquid separator inquire corresponding outdoor temp according to the outdoor environment temperature T4 detected
The set temperature of the corresponding gas-liquid separator in degree section, such as outdoor temperature section are corresponding with the set temperature of gas-liquid separator
Relationship can be such that as-15 DEG C >=T4: Ts takes-50-30；As-15 DEG C of < T4≤- 5 DEG C: Ts takes-45-40；When -5 DEG C
When T4≤5 DEG C <: Ts takes-40-50；When 5 DEG C of T4≤15 DEG C <: Ts takes-35-60；As 15 DEG C of < T4: Ts takes-30-
65.It of course, it should be understood that above-mentioned numerical value is exemplary illustration, and is not to specific restriction of the invention.
Then the aperture of first throttle element is adjusted, so that the temperature Ts of the gas-liquid separator detected meets setting temperature
Degree.
Such as booting heating operation, it detects that T4 temperature is 6 DEG C, inquires under the section T4 and correspond to gas-liquid separator temperature Ts
It should be 20 DEG C, the Ts detected under initial opening has reached 25 DEG C, then opens big first throttle element, reach set temperature Ts=20
DEG C corresponding first throttle element aperture, that is to say, that so that the temperature Ts of the gas-liquid separator detected reaches set temperature.
First throttle element reaches stable operation after target aperture.T4 is detected after n seconds not change, and continues stable operation.
Embodiment 5:
In this embodiment, the first test object and/or the second test object are outdoor environment temperature T4 and intermediate pressure；
Running frequency F is obtained according to the outdoor environment temperature T4 detected first, and according to the outdoor environment temperature T4 and fortune detected
Setting intermediate pressure is calculated in line frequency F, then adjusts the aperture of first throttle element so that the intermediate pressure detected
Reach setting intermediate pressure.
Specifically, the relational expression set between intermediate pressure Ps and outdoor environment temperature T4 and running frequency F can be Ps
=a7*F+b7+c7*T4, wherein the value range of a7, b7, c7 can be corresponding with outdoor environment temperature T4, such as preset different
Outdoor environment temperature section corresponds to the value interval of different a7, b7, c7, then can limit a7, b7, c7 according to the actual situation
Value.It is understood that when refrigeration a7, b7, c7 value and the value of a7, b7, c7 when heating can it is identical can also be with
It is different.
Such as when heating, detects that T4 temperature is 7 DEG C, inquire under the T4 corresponding to compressor operating frequency and should be 75HZ, it is right
The pressure coefficient a7 for answering temperature range is 0.01, b7 0.6, c7 0.1, calculates setting intermediate pressure Ps=0.01*75+
0.6+0.1*7=2.05 adjusts first throttle element aperture: examining under initial opening according to setting intermediate pressure Ps=2.05MPa
It surveys intermediate pressure Ps and has reached 1.8MPa, then open big first throttle element, it is corresponding to reach setting intermediate pressure Ps=2.05MPa
First throttle element aperture, that is to say, that the aperture of adjustment first throttle element is so that the intermediate pressure detected reaches sets
Determine intermediate pressure, first throttle element reaches stable operation after target aperture.T4 is detected after n seconds not change, and continues to stablize fortune
Row.
In this embodiment, the running frequency of compressor is to be determined by outdoor environment temperature, such as make a reservation for multiple outdoors
Environment temperature section, multiple outdoor environment temperature sections respectively correspond multiple compressor operating frequencies, inquire the outdoor detected
Outdoor environment temperature section where environment temperature, can be obtained corresponding compressor operating frequency.Of course, it should be understood that
The running frequency of compressor can also be detected and setting detection device on the compressor.
Embodiment 6:
In this embodiment, multiple outdoor temperature sections are preset, each outdoor temperature section corresponds to different gas-liquid separations
The pressure of device, the first test object and/or the second test object are the pressure of outdoor environment temperature T4 and gas-liquid separator, first
According to it is actually detected to outdoor environment temperature T4 obtain where the corresponding gas-liquid separator in outdoor temperature section setting pressure
Then power adjusts the aperture of first throttle element until the pressure of the actually detected gas-liquid separator arrived meets setting pressure.
Specifically, when the first test object is the pressure of outdoor environment temperature T4 and gas-liquid separator, refrigeration booting fortune
The pressure Ps that outdoor environment temperature T4 and gas-liquid separator are detected when row is inquired corresponding according to the outdoor environment temperature T4 detected
The corresponding gas-liquid separator in outdoor temperature section setting pressure, such as the setting pressure in outdoor temperature section and gas-liquid separator
The corresponding relationship of power can be such that as 20 DEG C >=T4: Ps takes 0.1-8；When 20 DEG C of T4≤30 DEG C <: Ps takes 0.1-10；
When 30 DEG C of T4≤40 DEG C <: Ps takes 0.1-15；When 40 DEG C of T4≤50 DEG C <: Ps takes 0.1-20；As 50 DEG C of < T4: Ps
Take 0.1-25.It of course, it should be understood that above-mentioned numerical value is exemplary illustration, and is not to specific restriction of the invention.
Then the aperture of first throttle element is adjusted, so that the pressure Ps of the gas-liquid separator detected meets setting pressure
Power.
Such as booting refrigerating operaton, it detects that T4 temperature is 50 DEG C, inquires under the section T4 and correspond to setting for gas-liquid separator
Constant-pressure Ps should be 2.0MPa, and the pressure Ps of the gas-liquid separator detected under initial opening has reached 2.2MPa, then turns down
One restricting element reaches the corresponding first throttle element aperture of setting pressure Ps=2.2MPa, that is to say, that so that detect
The pressure Ps of gas-liquid separator meets setting pressure.First throttle element reaches stable operation after target aperture.T4 is detected after n seconds
Do not change, continues stable operation.
When the second test object is the pressure of outdoor environment temperature T4 and gas-liquid separator, heating booting detects when running
The pressure Ps of outdoor environment temperature T4 and gas-liquid separator inquire corresponding outdoor temp according to the outdoor environment temperature T4 detected
The setting pressure of the corresponding gas-liquid separator in degree section, such as outdoor temperature section are corresponding with the setting pressure of gas-liquid separator
Relationship can be such that as-15 DEG C >=T4: Ps takes 0.1-10；As-15 DEG C of < T4≤- 5 DEG C: Ps takes 0.1-12；When -5 DEG C
When T4≤5 DEG C <: Ps takes 0.1-15；When 5 DEG C of T4≤15 DEG C <: Ps takes 0.1-20；As 15 DEG C of < T4: Ps takes 0.1-
25.It of course, it should be understood that above-mentioned numerical value is exemplary illustration, and is not to specific restriction of the invention.
Such as booting heating operation, it detects that T4 temperature is -8 DEG C, inquires under the section T4 and correspond to setting for gas-liquid separator
Constant-pressure Ps should be 1.2MPa, detects that the pressure Ps of gas-liquid separator has reached 1.3MPa under initial opening, then opens big by first
Restricting element reaches the corresponding first throttle element aperture of setting pressure Ps=1.2MPa, that is to say, that so that the gas detected
The pressure Ps of liquid/gas separator meets setting pressure.First throttle element reaches stable operation after target aperture.T4 is detected after n seconds not have
It changes, continues stable operation.
It is understood that illustrating of being merely given as of above-mentioned six specific embodiments, the control of the embodiment of the present invention
Method is not limited to above-mentioned six kinds, such as can be by the adjusting side of the aperture of first throttle element when refrigeration in above-mentioned six kinds of examples
The regulative mode of the aperture of first throttle element carries out random combine when formula and heating.Simultaneously it is understood that above-mentioned implementation
Setting pressure at expulsion obtained by calculation in example, setting aperture, sets the setup parameters such as intermediate pressure at setting delivery temperature
It can be obtained using other modes, such as different outdoor temperature sections can be set, multiple outdoor temperature section correspondences do not have to
Setup parameter, according to it is actually detected to outdoor environment temperature where outdoor temperature section corresponding setting ginseng can be obtained
Number.It will also be appreciated that the parameter consulted above by outdoor environment temperature can also be by preset calculation formula
It obtains.
In the present invention unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with
It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
First feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below "
One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (9)
1. a kind of control method of heating and air conditioner, which is characterized in that the heating and air conditioner includes:
Duplex cylinder compressor, the duplex cylinder compressor include shell, the first cylinder, the second cylinder and the first liquid storage device, the shell
It is equipped with exhaust outlet, first cylinder and second cylinder are respectively provided in the shell, and first liquid storage device is located at
Outside the shell, the air entry of first cylinder is connected to first liquid storage device, second cylinder and first gas
The value range of the delivery space ratio of cylinder is 1%~9%；
Commutate component, and the commutation component includes the first valve port to the 4th valve port, first valve port and the second valve port and third
One of connection in valve port, the 4th valve port are connected to another in second valve port and the third valve port,
First valve port is connected with the exhaust outlet, and the 4th valve port is connected with first liquid storage device；
Outdoor heat exchanger and indoor heat exchanger, the first end of the outdoor heat exchanger are connected with second valve port, the interior
The first end of heat exchanger is connected with the third valve port；
Gas-liquid separator, the gas-liquid separator include gas vent, first interface and second interface, the gas vent and institute
The air entry for stating the second cylinder is connected, and the first interface is connected with the second end of the outdoor heat exchanger, the second interface
It is connected with the second end of the indoor heat exchanger, it is adjustable to be in series with aperture between the first interface and the outdoor heat exchanger
First throttle element is in series with the second restricting element of fixed aperture between the second interface and the indoor heat exchanger；
According to the testing result adjustment to the first test object described the when the control method includes the following steps: refrigerating operaton
The aperture of one restricting element is to setting aperture；According to the testing result adjustment described first to the second test object when heating operation
The aperture of restricting element is to aperture is set, wherein first test object includes the fortune of outdoor environment temperature, duplex cylinder compressor
Line frequency, the delivery temperature of exhaust outlet, from the medium temperature of refrigerant that the gas vent is discharged, gas-liquid separator temperature
At least one；Or the refrigerant that first test object includes the pressure at expulsion of exhaust outlet, is discharged from the gas vent
One of them in intermediate pressure, pressure of the gas and liquid separator and outdoor environment temperature, the running frequency of duplex cylinder compressor, exhaust outlet
Delivery temperature, the medium temperature of refrigerant, the group of at least one of gas-liquid separator temperature that are discharged from the gas vent
It closes；
Second test object include outdoor environment temperature, the running frequency of duplex cylinder compressor, the delivery temperature of exhaust outlet, from
At least one of the medium temperature of the refrigerant of gas vent discharge, gas-liquid separator temperature；Or second detection
Object includes the pressure at expulsion of exhaust outlet, from the intermediate pressure, pressure of the gas and liquid separator of the refrigerant that the gas vent is discharged
One of them with outdoor environment temperature, the running frequency of duplex cylinder compressor, the delivery temperature of exhaust outlet, from the gas vent
The combination of at least one of the medium temperature of the refrigerant of discharge, gas-liquid separator temperature.
2. the control method of heating and air conditioner according to claim 1, which is characterized in that the first throttle element is
Electric expansion valve, second restricting element are capillary or throttle valve.
3. the control method of heating and air conditioner according to claim 1, which is characterized in that the gas vent and described
Solenoid valve is in series between the air entry of second cylinder.
4. the control method of heating and air conditioner according to claim 1, which is characterized in that the appearance of the gas-liquid separator
Long-pending value range is 100mL-500mL.
5. the control method of heating and air conditioner according to claim 1, which is characterized in that first test object
And/or second test object is outdoor environment temperature T4 and delivery temperature, first according to the outdoor environment temperature detected
T4 obtains running frequency F, and setting row is calculated according to the outdoor environment temperature T4 and the running frequency F that detect
Then temperature degree adjusts the aperture of the first throttle element so that the delivery temperature detected reaches setting exhaust temperature
Degree.
6. the control method of heating and air conditioner according to claim 1, which is characterized in that first test object
And/or second test object is outdoor environment temperature T4 and pressure at expulsion, first according to the outdoor environment temperature detected
T4 obtains running frequency F, and setting row is calculated according to the outdoor environment temperature T4 and the running frequency F that detect
Then atmospheric pressure adjusts the aperture of the first throttle element so that the pressure at expulsion detected reaches setting exhaust pressure
Power.
7. the control method of heating and air conditioner according to claim 1, which is characterized in that first test object
And/or second test object is outdoor environment temperature T4, is run first according to the outdoor environment temperature T4 detected
Frequency F, and the first throttle element is calculated according to the outdoor environment temperature T4 and the running frequency F that detect
Setting aperture, then adjust the aperture of the first throttle element to setting aperture.
8. the control method of heating and air conditioner according to claim 1, which is characterized in that preset multiple outdoor temperature areas
Between, each outdoor temperature section corresponds to the set temperature of the different gas-liquid separators, first test object and/
Or second test object is the temperature of outdoor environment temperature T4 and the gas-liquid separator, is arrived first according to actually detected
Outdoor environment temperature T4 obtain where the corresponding gas-liquid separator in outdoor temperature section set temperature, then adjust described the
The aperture of one restricting element until it is actually detected to the temperature of the gas-liquid separator meet the set temperature.
9. the control method of heating and air conditioner according to claim 1, which is characterized in that first test object
And/or second test object is outdoor environment temperature T4 and intermediate pressure；First according to the outdoor environment temperature detected
T4 obtains running frequency F, and is calculated in setting according to the outdoor environment temperature T4 and the running frequency F that detect
Between pressure, then adjust the aperture of the first throttle element so that the intermediate pressure detected reaches setting intermediate pressure
Power.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610286066.0A CN105783137B (en) | 2016-04-29 | 2016-04-29 | The control method of heating and air conditioner |
| PCT/CN2016/087935 WO2017185516A1 (en) | 2016-04-29 | 2016-06-30 | Control method for cooling-heating type air conditioner and control method for cooling-only type air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610286066.0A CN105783137B (en) | 2016-04-29 | 2016-04-29 | The control method of heating and air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105783137A CN105783137A (en) | 2016-07-20 |
| CN105783137B true CN105783137B (en) | 2019-02-15 |
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| CN110186163A (en) * | 2019-05-31 | 2019-08-30 | 宁波奥克斯电气股份有限公司 | A kind of control method and air conditioner of air conditioner |
| CN111649445B (en) * | 2020-04-24 | 2022-07-26 | 宁波奥克斯电气股份有限公司 | Refrigerant adjusting system for air conditioner and air conditioner |
| CN115371302B (en) * | 2022-07-14 | 2024-04-19 | 浙江中广电器集团股份有限公司 | Control method for enthalpy injection control of heat pump EVI multi-split refrigeration mode |
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