CN105737425A - Control method for single-cold air conditioner - Google Patents
Control method for single-cold air conditioner Download PDFInfo
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- CN105737425A CN105737425A CN201610286652.5A CN201610286652A CN105737425A CN 105737425 A CN105737425 A CN 105737425A CN 201610286652 A CN201610286652 A CN 201610286652A CN 105737425 A CN105737425 A CN 105737425A
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- outdoor environment
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- expulsion
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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
- F25B1/10—Compression machines, plants or systems with non-reversible cycle with multi-stage compression
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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
- F25B41/31—Expansion 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
- F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
- F25B43/006—Accumulators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2600/00—Control issues
- F25B2600/25—Control of valves
- F25B2600/2513—Expansion 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
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/17—Speeds
- F25B2700/171—Speeds of the compressor
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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
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/19—Pressures
- F25B2700/193—Pressures of the compressor
- F25B2700/1931—Discharge pressures
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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
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/21—Temperatures
- F25B2700/2106—Temperatures of fresh outdoor air
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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
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/21—Temperatures
- F25B2700/2115—Temperatures of a compressor or the drive means therefor
- F25B2700/21152—Temperatures of a compressor or the drive means therefor at the discharge side of the compressor
Abstract
The invention discloses a control method for a single-cold air conditioner. The single-cold air conditioner comprises a dual-cylinder compressor, an outdoor heat exchanger, an indoor heat exchanger and a gas-liquid separator, wherein a gas suction opening of a first cylinder is communicated with a first liquid storage; a value range of a displacement volume ratio of a second cylinder to the first cylinder is 1% to 10%; the gas-liquid separator comprises a gas outlet, a first connector and a second connector; the gas outlet is connected with the second cylinder; a first throttling element with an adjustable opening is connected in series between the first connector and the outdoor heat exchanger; a second throttling element with an adjustable opening is connected in series between the second connector and the indoor heat exchanger. According to the control method for the single-cold air conditioner, which is disclosed by the invention, energy efficiency of the air conditioner is effectively improved.
Description
Technical field
The present invention relates to refrigerating field, especially relate to the control method of a kind of single cold type air-conditioner.
Background technology
Gaseous refrigerant after throttling and before entering vaporizer is not optimized cyclic design by current air-conditioning refrigeration system, causes that gaseous refrigerant affects evaporator heat exchange performance, and increases compressor compresses power consumption, thus having influence on energy efficiency of air conditioner level.Air injection enthalpy-increasing and Two-stage Compression technology can improve air conditioning system heating capacity level under low temperature and ultralow temperature, but for the commonly used cooling condition of air-conditioning, efficiency promotes very limited.
Summary of the invention
It is contemplated that one of technical problem solved at least to a certain extent in correlation technique.
For this, the present invention proposes the control method of a kind of single cold type air-conditioner, it is possible to is effectively improved energy efficiency of air conditioner, effectively facilitates energy-saving and emission-reduction.
The control method of single cold type air-conditioner according to embodiments of the present invention, single cold type air-conditioner includes: duplex cylinder compressor, described duplex cylinder compressor includes housing, the first cylinder, the second cylinder and the first reservoir, described housing is provided with air vent, described first cylinder and described second cylinder are respectively provided in described housing, described first reservoir is located at outside described housing, the air entry of described first cylinder connects with described first reservoir, and the span of the delivery space ratio of described second cylinder and described first cylinder is 1%～10%；Outdoor heat exchanger and indoor heat exchanger, the first end of described outdoor heat exchanger is connected with described air vent, and the first end of described indoor heat exchanger is connected with described first reservoir；Gas-liquid separator, described gas-liquid separator includes gas outlet, first interface and the second interface, described gas outlet is connected with the air entry of described second cylinder, described first interface is connected with the second end of described outdoor heat exchanger, described second interface is connected with the second end of described indoor heat exchanger, it is in series with the adjustable first throttle element of aperture between described first interface and described outdoor heat exchanger, between described second interface and described indoor heat exchanger, is in series with the adjustable second section fluid element of aperture；Described control method comprises the steps: first to adjust the aperture of described first throttle element to setting aperture according to the testing result detecting object to first, then the aperture of described second section fluid element is adjusted to setting aperture according to the testing result detecting object to second, the setting aperture of described first throttle element is less than the setting aperture of described second section fluid element, and the testing result that the testing result of described first detection object detects object from described second is different；Wherein said first detection object includes at least one outdoor environment temperature, the running frequency of duplex cylinder compressor, the delivery temperature of air vent, the pressure at expulsion of air vent, the intermediate pressure of coolant discharged from described gas outlet, the medium temperature of coolant discharged from described gas outlet；Described second detection object includes at least one outdoor environment temperature, the running frequency of duplex cylinder compressor, the delivery temperature of air vent, the pressure at expulsion of air vent, the intermediate pressure of coolant discharged from described gas outlet, the medium temperature of coolant discharged from described gas outlet.
The control method of single cold type air-conditioner according to embodiments of the present invention, by arranging above-mentioned duplex cylinder compressor, energy efficiency of air conditioner can be effectively improved, effectively facilitate energy-saving and emission-reduction, simultaneously by arranging gas-liquid separator, it is possible to improve heat exchange efficiency, reduce compressor compresses power consumption, improve air-conditioner ability and efficiency further, then regulate the aperture of second section fluid element again by first regulating the aperture of first throttle element, so that the efficiency of system reaches optimum.
In some embodiments of the invention, described first throttle element is electric expansion valve, and described second section fluid element is electric expansion valve.
In some embodiments of the invention, it is in series with electromagnetic valve between the air entry of described gas outlet and described second cylinder.
In some embodiments of the invention, the span of gas-liquid separator volume is 100mL-500mL.
In some embodiments of the invention, described first detection object and described second detection object are outdoor environment temperature T4 and running frequency F, the setting aperture obtaining first throttle element and second section fluid element is calculated, then according to the aperture setting first throttle element corresponding to aperture adjustment and second section fluid element according to the described outdoor environment temperature T4 detected and running frequency F.
In some embodiments of the invention, described first detection object is outdoor environment temperature T4 and running frequency F, first the setting aperture obtaining first throttle element is calculated according to described outdoor environment temperature T4 and described running frequency F, then according to the aperture setting the aperture described first throttle element of adjustment；Described second detection object is outdoor environment temperature T4, running frequency F and pressure at expulsion；Or described second detection object is outdoor environment temperature T4, running frequency F and delivery temperature, first calculate according to described outdoor environment temperature T4 and described running frequency F and obtain setting pressure at expulsion or setting delivery temperature, then according to actually detected to pressure at expulsion or delivery temperature adjusts the aperture of second section fluid element so that the pressure at expulsion or the delivery temperature that detect reach set pressure at expulsion or set delivery temperature.
In some embodiments of the invention, preset multiple outdoor temperatures interval, the aperture of the restricting element that each described outdoor temperature interval is corresponding different, first detection object is outdoor environment temperature T4, adjusts the aperture of first throttle element according to the opening value that the outdoor temperature interval at the actually detected outdoor environment temperature T4 place arrived is corresponding；Described second detection object is outdoor environment temperature T4, running frequency F and pressure at expulsion；Or described second detection object is outdoor environment temperature T4, running frequency F and delivery temperature, first calculate according to described outdoor environment temperature T4 and described running frequency F and obtain setting pressure at expulsion or setting delivery temperature, then according to actually detected to pressure at expulsion or delivery temperature adjusts the aperture of second section fluid element so that the pressure at expulsion or the delivery temperature that detect reach set pressure at expulsion or set delivery temperature.
In some embodiments of the invention, preset medium temperature or default intermediate pressure, described first detection object is intermediate pressure or medium temperature, according to actually detected to intermediate pressure or medium temperature adjusts the aperture of first throttle element so that the intermediate pressure that detects or medium temperature reach to preset intermediate pressure or default medium temperature；Described second detection object is outdoor environment temperature T4, running frequency F and pressure at expulsion；Or described second detection object is outdoor environment temperature T4, running frequency F and delivery temperature, first calculate according to described outdoor environment temperature T4 and described running frequency F and obtain setting pressure at expulsion or setting delivery temperature, then according to actually detected to pressure at expulsion or delivery temperature adjusts the aperture of second section fluid element so that the pressure at expulsion or the delivery temperature that detect reach set pressure at expulsion or set delivery temperature.
In some embodiments of the invention, preset medium temperature or default intermediate pressure, described first detection object is intermediate pressure or medium temperature, according to actually detected to intermediate pressure or medium temperature adjusts the aperture of first throttle element so that the intermediate pressure that detects or medium temperature reach to preset intermediate pressure or default medium temperature；Described second detection object is outdoor environment temperature T4 and running frequency F, first calculates the setting aperture obtaining second section fluid element according to described outdoor environment temperature T4 and described running frequency F, then according to the aperture setting the aperture described second section fluid element of adjustment.
In some embodiments of the invention, preset multiple outdoor temperatures interval, the aperture of the restricting element that each described outdoor temperature interval is corresponding different, first detection object is outdoor environment temperature T4, adjusts the aperture of first throttle element according to the opening value that the outdoor temperature interval at the actually detected outdoor environment temperature T4 place arrived is corresponding；Described second detection object is outdoor environment temperature T4 and running frequency F, first calculates the setting aperture obtaining second section fluid element according to described outdoor environment temperature T4 and described running frequency F, then according to the aperture setting the aperture described second section fluid element of adjustment.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of single cold type air-conditioner according to embodiments of the present invention；
Fig. 2 is the schematic diagram of the single cold type air-conditioner being provided with electromagnetic valve according to embodiments of the present invention；
Fig. 3 is the schematic diagram of duplex cylinder compressor according to embodiments of the present invention；
Fig. 4 is the flow chart of control method during single cold type air-conditioner refrigeration according to embodiments of the present invention.
Accompanying drawing labelling:
Single cold type air-conditioner 100,
Duplex cylinder compressor 1, housing the 10, first cylinder the 11, second cylinder the 12, first reservoir 13, air vent 15,
Outdoor heat exchanger 3, indoor heat exchanger 4,
Gas-liquid separator 5, gas outlet m, first interface f, the second interface g,
First throttle element 6, second section fluid element 7,
Electromagnetic valve 20.
Detailed description of the invention
Being described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings.The embodiment described below with reference to accompanying drawing is illustrative of, it is intended to is used for explaining the present invention, and is not considered as limiting the invention.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", " counterclockwise ", " axially ", " radially ", orientation or the position relationship of the instruction such as " circumference " are based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, rather than the device of instruction or hint indication or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not considered as limiting the invention.
Additionally, term " first ", " second " are only for descriptive purposes, and it is not intended that indicate or imply relative importance or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or implicitly include at least one this feature.In describing the invention, " multiple " are meant that at least two, for instance two, three etc., unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, for instance, it is possible to it is fixing connection, it is also possible to be removably connect, or integral；Can be mechanically connected, it is also possible to be electrical connection or each other can communication；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, it is possible to be connection or the interaction relationship of two elements of two element internals, unless otherwise clear and definite restriction.For the ordinary skill in the art, it is possible to understand above-mentioned term concrete meaning in the present invention as the case may be.
Single cold type air-conditioner 100 according to embodiments of the present invention being described in detail with reference to Fig. 1-Fig. 3 first below, wherein single cold type air-conditioner 100 has refrigeration mode.
As shown in Figure 1-Figure 3, single cold type air-conditioner 100 according to embodiments of the present invention, including: duplex cylinder compressor 1, outdoor heat exchanger 3 and indoor heat exchanger 4, gas-liquid separator 5, first throttle element 6, second section fluid element 7.Wherein duplex cylinder compressor 1 includes housing the 10, first cylinder the 11, second cylinder 12 and the first reservoir 13, housing 10 is provided with air vent 15, first cylinder 11 and the second cylinder 12 are respectively provided in housing 10, first reservoir 13 is located at outside housing 10, and air entry and first reservoir 13 of the first cylinder 11 connect.It is to say, the first cylinder 11 and the second cylinder 12 carry out independent compression process, coolant after the compression that the first cylinder 11 is discharged and the coolant after the compression discharged from the second cylinder 12 are drained into respectively in housing 10 and then discharge from air vent 15.
The span of the delivery space ratio of the second cylinder 12 and the first cylinder 11 is 1%～10%.Further, the span of the delivery space ratio of the second cylinder 12 and the first cylinder 11 is 1%～9%, it is preferable that the span of the delivery space ratio of the second cylinder 12 and the first cylinder 11 is 4%～9%.The such as delivery space ratio of the second cylinder 12 and the first cylinder 11 can be the parameter such as 4%, 5%, 8% or 8.5%.
First end of outdoor heat exchanger 3 is connected with air vent 15, and the first end and first reservoir 13 of indoor heat exchanger 4 are connected.Gas-liquid separator 5 includes gas outlet m, first interface f and the second interface g, the air entry of gas outlet m and the second cylinder 12 is connected, first interface f is connected with the second end of outdoor heat exchanger 3, second interface g is connected with the second end of indoor heat exchanger 4, it is in series with the adjustable first throttle element 6 of aperture between first interface f and outdoor heat exchanger 3, between the second interface g and indoor heat exchanger 4, is in series with the adjustable second section fluid element 7 of aperture.Alternatively, first throttle element 6 is electric expansion valve, and second section fluid element 7 is electric expansion valve, it is of course possible to be understood by, and first throttle element 6 and second section fluid element 7 all can also is that other apertures adjustable element such as heating power expansion valve.
When single cold type air-conditioner 100 freezes, the High Temperature High Pressure coolant discharged from the air vent 15 of duplex cylinder compressor 1 is drained into outdoor heat exchanger 3 and carries out condensation heat radiation, the liquid refrigerants that heat exchanger 3 is discharged outdoor is drained into gas-liquid separator 5 from first interface f after the one-level reducing pressure by regulating flow of first throttle element 6 and carries out gas-liquid separation, and the intermediate pressure gaseous coolant separated is drained in the second cylinder 12 from gas outlet m and is compressed.
It is drained into after the two-step throttle blood pressure lowering of second section fluid element 7 in indoor heat exchanger 4 from the second interface g of gas-liquid separator 5 intermediate pressure liquid coolant discharged and carries out heat exchange to reduce indoor environment temperature, the coolant that heat exchanger 4 is discharged indoor is drained in the first reservoir 13, is drained in the first cylinder 11 from the coolant of the first reservoir 13 discharge and is compressed.
Thus analyze known, when single cold type air-conditioner 100 runs, the coolant of different pressures state has respectively entered in the first cylinder 11 and the second cylinder 12, first cylinder 11 and the second cylinder 12 complete independently compression process, coolant after the compression that the first cylinder 11 is discharged and the coolant after the compression discharged from the second cylinder 12 are discharged in housing 10 and discharge from air vent 15 after mixing, simultaneously because the span of the delivery space ratio of the second cylinder 12 and the first cylinder 11 is 1%～10%, the coolant that flow is less and pressure state is higher is drained in the second cylinder 12 that delivery space is less and is compressed, such that it is able to raising efficiency, energy-saving and emission-reduction.
Simultaneously by being provided with gas-liquid separator 5 between outdoor heat exchanger 3 and indoor heat exchanger 4, it is compressed thus gas-liquid separator 5 is expelled back into after being separated by a part of gaseous coolant in the second cylinder 12, the gas content in the coolant of indoor heat exchanger 4 it is flowed into when thus reducing refrigeration, decrease the gaseous coolant impact on the heat exchange property of the indoor heat exchanger 4 as vaporizer, such that it is able to raising heat exchange efficiency, reduce compressor compresses power consumption.
Single cold type air-conditioner 100 according to embodiments of the present invention, by arranging above-mentioned duplex cylinder compressor 1, energy efficiency of air conditioner can be effectively improved, effectively facilitate energy-saving and emission-reduction, simultaneously by arranging gas-liquid separator 5, heat exchange efficiency can be improved, reduce compressor compresses power consumption, improve air-conditioner ability and efficiency further.
As shown in Figure 2, in some embodiments of the invention, it is in series with electromagnetic valve 20 between the air entry of gas outlet m and the second cylinder 12, thus when the liquid coolant in gas-liquid separator 5 is beyond safety levels, liquid refrigerants can be avoided to enter in the second cylinder 12 by closing electromagnetic valve 20, such that it is able to avoid duplex cylinder compressor 1 that liquid hammer occurs, extend the service life of duplex cylinder compressor 1.It is possible to further arranging liquid level sensor on gas-liquid separator 5, controlled the open and-shut mode of electromagnetic valve 20 by the testing result of liquid level sensor.
In some embodiments of the invention, the span of the volume of gas-liquid separator 5 is 100mL-500mL.
Single cold type air-conditioner according to the above embodiment of the present invention (is set specified refrigerating capacity as 3.5kw by inventor, it being 7.6% by the delivery space ratio set of the second cylinder and the first cylinder) efficiency under different operating modes compares with existing single cold type air-conditioner efficiency at the same conditions, obtains following data:
It follows that single cold type air-conditioner according to embodiments of the present invention is all obviously improved relative to existing single cold type compressor, each operating mode efficiency and annual efficiency APF.
The single cold type air-conditioner of different specified refrigerating capacitys with the embodiment of the present invention of different delivery space ratios is compared by inventor with the single cold type air-conditioner under existing identical operating mode simultaneously, find that efficiency all has lifting, through overtesting, such as inventor finds that the single cold type air-conditioner of the embodiment of the present invention (sets specified refrigerating capacity as 2.6kw, it is 9.2% by the delivery space ratio set of the second cylinder and the first cylinder) compared with the single cold type air-conditioner under existing identical operating mode, efficiency improves 7.3%.
Below with reference to the control method of Fig. 1-Fig. 4 detailed description single cold type air-conditioner according to embodiments of the present invention, wherein single cold type air-conditioner is single cold type air-conditioner according to the above embodiment of the present invention.
Control method according to embodiments of the present invention comprises the steps: first to adjust the aperture of first throttle element according to the testing result detecting object to first, then the aperture of second section fluid element is adjusted according to the testing result detecting object to second, the setting aperture of first throttle element is less than the setting aperture of second section fluid element, and the testing result that the testing result of the first detection object detects object from second is different.Need illustrate be, the testing result of the first detection object is different with the testing result of the second detection object refers to first throttle element and second section fluid element can not adopt same state parameter to be adjusted control simultaneously, in other words, different with the required relevant parameter for regulating second section fluid element for regulating the required relevant parameter of first throttle element.
Wherein the first detection object includes at least one medium temperature of outdoor environment temperature, the running frequency of duplex cylinder compressor, the delivery temperature of air vent, the pressure at expulsion of air vent, the intermediate pressure from the coolant of gas outlet's discharge, the coolant from gas outlet's discharge.Second detection object includes at least one medium temperature of outdoor environment temperature, the running frequency of duplex cylinder compressor, the delivery temperature of air vent, the pressure at expulsion of air vent, the intermediate pressure from the coolant of gas outlet's discharge, the coolant from gas outlet's discharge.
That is, as shown in Figure 4, when single cold type air-conditioner runs, acquisition process controls the parameter needed for first throttle element and second section fluid element, then the parameter that basis obtains is all first regulate the aperture of first throttle element until setting aperture, then regulating the aperture of second section fluid element again until setting aperture, when first throttle element and second section fluid element all regulate to when setting aperture, the aperture of first throttle element is less than the aperture of second section fluid element.Of course, it should be understood that the step of the parameter needed for acquisition process control first throttle element and the parameter needed for acquisition process control second section fluid element can carry out successively carrying out simultaneously.
After the aperture of first throttle element and the aperture of second section fluid element are satisfied by condition, can after running the n second, again detection the first detection object and the second detection object, then adjust the aperture of first throttle element and second section fluid element, so repeat according to testing result.Certain repeat condition is not limited to this, for instance can after receiving the operational order of user, and detection the first detection object and the second detection object, then adjust the aperture of first throttle element and second section fluid element according to testing result again.In other words, when refrigeration, after the aperture of first throttle element and second section fluid element is satisfied by condition, the n second can run or after receiving the operation signal of user, the relevant parameter of first throttle element and the aperture of second section fluid element is detected judgement again, then adjust the aperture of first throttle element and second section fluid element according to result of determination, so repeat.
The control method of single cold type air-conditioner according to embodiments of the present invention, then regulates the aperture of second section fluid element again, so that the efficiency of system reaches optimum by first regulating the aperture of first throttle element.
Control method according to the several specific embodiment of the present invention is described below.
Embodiment 1:
In this embodiment, first detection object and the second detection object are outdoor environment temperature T4 and running frequency F, the setting aperture obtaining first throttle element and second section fluid element is calculated, then according to the aperture setting first throttle element corresponding to aperture adjustment and second section fluid element according to the outdoor environment temperature T4 detected and running frequency F.
It is understood that computing formula is located in the electric control element of single cold type air-conditioner in advance, computing formula specifically can limit according to practical situation.
Specifically, during refrigeration, the relational expression between aperture LA_cool_1 and outdoor environment temperature T4 and the running frequency F of first throttle element is: LA_cool_1=a1·F+b1T4+c1, when the aperture LA_cool_1 calculated is more than the actual aperture of the first throttle element gathered, the aperture of first throttle element is increased to calculating aperture；Otherwise turn down.
Relational expression between aperture LA_cool_2 and outdoor environment temperature T4 and the running frequency F of second section fluid element is: LA_cool_2=a2·F+b2T4+c2, when the aperture LA_cool_2 calculated is more than the actual aperture of the second section fluid element gathered, the aperture of second section fluid element is increased to calculating aperture；Otherwise turn down.Wherein, 0≤a1≤ 20,0≤b1≤ 20 ,-50≤c1≤100；0≤a2≤ 30,0≤b2≤ 30 ,-50≤c2≤ 150 control coefrficient a, b, c can be all 0, when any of coefficient is zero, it was demonstrated that parameter corresponding to this coefficient on restricting element aperture without impact.
Such as when refrigeration, detecting that outdoor environment temperature is 35 DEG C, compressor operating frequency is 58Hz, sets a1=1, b1=1.6, c1=6；a2=1.5, b2=1.6, c2=17.First system is according to the frequency collected and T4 value, and the aperture calculating first throttle element should be 120, adjusts the aperture of first throttle element to 120；Then the aperture calculating second section fluid element is 160, adjusts the aperture of second section fluid element to 160.After maintaining the aperture 200s of two restricting elements, detection compressor operating frequency and T4 value again；Or according to user's adjustment to air-conditioning, detection compressor operating frequency and T4 value, first throttle element and second section fluid element are readjusted.
According to this adjustment mode, air conditioner Energy Efficiency Ratio equivalent specifications air-conditioner in the market, efficiency is high by 6.5%.
Embodiment 2:
In this embodiment, the first detection object is outdoor environment temperature T4 and running frequency F, first calculates the setting aperture obtaining first throttle element according to outdoor environment temperature T4 and running frequency F, then according to the aperture setting aperture adjustment first throttle element；
Second detection object is outdoor environment temperature T4, running frequency F and pressure at expulsion；Or the second detection object is outdoor environment temperature T4, running frequency F and delivery temperature, first calculate according to outdoor environment temperature T4 and running frequency F and obtain setting pressure at expulsion or setting delivery temperature, then according to actually detected to pressure at expulsion or delivery temperature adjusts the aperture of second section fluid element so that the pressure at expulsion or the delivery temperature that detect reach set pressure at expulsion or set delivery temperature.
Specifically, during refrigeration, the relational expression between aperture LA_cool_1 and outdoor environment temperature T4 and the running frequency F of first throttle element is: LA_cool_1=a1·F+b1T4+c1, when the aperture LA_cool_1 calculated is more than the actual aperture of the first throttle element gathered, the aperture of first throttle element is increased to calculating aperture；Otherwise turn down.
When the second detection object includes delivery temperature, the relational expression between delivery temperature TP and outdoor environment temperature T4 and running frequency F is: TP_cool=a2·F+b2T4+c2, when the second detection object includes pressure at expulsion, the relational expression between pressure at expulsion P row and outdoor environment temperature T4 and running frequency F is: P row _ cool=a3·F+b3T4+c3, when the delivery temperature collected or pressure at expulsion are more than the setting delivery temperature calculated or setting pressure at expulsion, open the aperture of big second section fluid element；Otherwise turn down.Wherein 0≤a1≤ 20,0≤b1≤ 20 ,-50≤c1≤ 100,0≤a2≤ 30,0≤b2≤ 30 ,-50≤c2≤ 150,0≤a3≤ 30,0≤b3≤ 30 ,-50≤c3≤150.Control coefrficient a, b, c can be all 0, when any of coefficient is zero, it was demonstrated that parameter corresponding to this coefficient on restricting element aperture without impact.
Such as when refrigeration, detecting that outdoor environment temperature is 35 DEG C, compressor operating frequency is 58Hz, sets a1=1, b1=1.6, c1=6；a2=0.5, b2=0.4, c2=31；a3=0.25, b3=0.2, c2=3.9.First system is according to the frequency collected and T4 value, the aperture calculating first throttle element should be 120, adjust the aperture of first throttle element to 120, then system is according to the frequency used and T4 value, calculate delivery temperature TP_cool corresponding to second section fluid element and be 74 DEG C or pressure at expulsion P row _ cool is 2.54MPa, at this moment the aperture of whole second section fluid element is teased and ridicule according to the delivery temperature TP detected or pressure at expulsion P, when the delivery temperature detected is more than 74 DEG C (or the pressure at expulsion P detected arranges more than 2.54Mpa), progressively strengthen the aperture (can by regulating 4 step actions every time) of second section fluid element.After maintaining the aperture 200s of two restricting elements, detection compressor operating frequency and T4 value again, or according to user's adjustment to air-conditioning, detect compressor operating frequency and T4 value, first throttle element and second section fluid element are readjusted.
According to this adjustment mode, air conditioner Energy Efficiency Ratio equivalent specifications air-conditioner in the market, efficiency is high by 6.5%.
Embodiment 3:
In this embodiment, preset multiple outdoor temperatures interval, the aperture of the restricting element that each outdoor temperature interval is corresponding different, first detection object is outdoor environment temperature T4, adjusts the aperture of first throttle element according to the opening value that the outdoor temperature interval at the actually detected outdoor environment temperature T4 place arrived is corresponding；
Second detection object is outdoor environment temperature T4, running frequency F and pressure at expulsion；Or the second detection object is outdoor environment temperature T4, running frequency F and delivery temperature, first calculating according to outdoor environment temperature T4 and running frequency F and obtain setting pressure at expulsion or setting delivery temperature, then adjusting the aperture of second section fluid element to pressure at expulsion or delivery temperature so that detecting that pressure at expulsion or delivery temperature reach set pressure at expulsion or set delivery temperature according to actually detected.
Specifically, during refrigeration, the concrete condition such as following table of the aperture of the first throttle element that different outdoor temperature intervals is corresponding:
| T4 | Aperture |
| 10≤T4 < 20 | 100 |
| 20≤T4 < 30 | 110 |
| 30≤T4 < 40 | 120 |
| 40≤T4 < 50 | 150 |
| 50≤T4 < 60 | 180 |
When the second detection object includes delivery temperature, the relational expression between delivery temperature TP and outdoor environment temperature T4 and running frequency F is: TP_cool=a1·F+b1T4+c1, when the second detection object includes pressure at expulsion, the relational expression between pressure at expulsion P row and outdoor environment temperature T4 and running frequency F is: P row _ cool=a2·F+b2T4+c2, when the delivery temperature collected or pressure at expulsion are more than the setting delivery temperature calculated or setting pressure at expulsion, open the aperture of big second section fluid element；Otherwise turn down.Wherein 0≤a1≤ 20,0≤b1≤ 20 ,-50≤c1≤ 100,0≤a2≤ 30,0≤b2≤ 30 ,-50≤c2≤150.Control coefrficient a, b, c can be all 0, when any of coefficient is zero, it was demonstrated that parameter corresponding to this coefficient on restricting element aperture without impact.
Such as, detecting outdoor environment temperature during refrigeration is 35 DEG C, and compressor operating frequency is 58Hz, sets a1=0.5, b1=0.4, c1=31；a2=0.25, b2=0.2, c2=3.9.First system is according to collecting outdoor environment temperature T4, show that the aperture of first throttle element should be 120, adjusts the aperture of first throttle element to 120；Then system is according to frequency and T4 value, calculate delivery temperature TP_cool corresponding to second section fluid element and be 74 DEG C or pressure at expulsion P row _ cool is 2.54MPa, at this moment the aperture of second section fluid element is adjusted according to the delivery temperature TP detected or pressure at expulsion P, such as when the delivery temperature detected is more than 74 DEG C (or the pressure at expulsion P detected arranges more than 2.54Mpa), progressively strengthen the aperture (can by regulating 4 step actions every time) of second section fluid element.After maintaining the aperture 200s of two restricting elements, detection compressor operating frequency and T4 value again, or according to user's adjustment to air-conditioning, detect compressor operating frequency and T4 value, first throttle element and second section fluid element are readjusted.
According to this adjustment mode, air conditioner Energy Efficiency Ratio equivalent specifications air-conditioner in the market, efficiency is high by 6.5%.
Embodiment 4:
In this embodiment, preset medium temperature or intermediate pressure, first detection object is intermediate pressure or medium temperature, according to actually detected to intermediate pressure or medium temperature adjusts the aperture of first throttle element so that the intermediate pressure that detects or medium temperature reach to preset intermediate pressure or default medium temperature.
Second detection object is outdoor environment temperature T4, running frequency F and pressure at expulsion；Or the second detection object is outdoor environment temperature T4, running frequency F and delivery temperature, first calculate according to outdoor environment temperature T4 and running frequency F and obtain setting pressure at expulsion or setting delivery temperature, then adjust the aperture of second section fluid element to pressure at expulsion or delivery temperature so that the pressure at expulsion or the delivery temperature that detect reach set pressure at expulsion or set delivery temperature according to actually detected.
Specifically, during refrigeration, the interval of default medium temperature can be 20 DEG C-35 DEG C, and the interval of the intermediate pressure preset can be 0.8MPa-2.0MPa.When intermediate pressure or medium temperature being detected lower than setting value, open the aperture of big first throttle element, otherwise turn down.
When the second detection object includes delivery temperature, the relational expression between delivery temperature TP and outdoor environment temperature T4 and running frequency F is: TP_cool=a1·F+b1T4+c1, when the second detection object includes pressure at expulsion, the relational expression between pressure at expulsion P row and outdoor environment temperature T4 and running frequency F is: P row _ cool=a2·F+b2T4+c2, when the delivery temperature collected or pressure at expulsion are more than the setting delivery temperature calculated or setting pressure at expulsion, open the aperture of big second section fluid element；Otherwise turn down.Wherein 0≤a1≤ 20,0≤b1≤ 20 ,-50≤c1≤ 100,0≤a2≤ 30,0≤b2≤ 30 ,-50≤c2≤150.Control coefrficient a, b, c can be all 0, when any of coefficient is zero, it was demonstrated that parameter corresponding to this coefficient on restricting element aperture without impact.
Such as, when freezing, setting medium temperature as 26 DEG C or setting intermediate pressure 1.65MPa, detect that outdoor environment temperature is 35 DEG C, compressor operating frequency is 58Hz, sets a1=0.5, b1=0.4, c1=31；a2=0.25, b2=0.2, c2=3.9.First, system adjusts the aperture of first throttle element according to the medium temperature collected or intermediate pressure value.When the medium temperature collected more than 26 DEG C or the intermediate pressure collected more than 1.65MPa time, progressively turn down the aperture (can by regulate 4 step actions) of first throttle element every time.Otherwise the aperture of turning down.Then system is according to frequency and T4 value, calculate delivery temperature TP_cool corresponding to second section fluid element and be 74 DEG C or pressure at expulsion P row _ cool is 2.54MPa, at this moment the aperture of second section fluid element is adjusted according to the delivery temperature TP detected or pressure at expulsion P, when delivery temperature being detected more than 74 DEG C (or the pressure P row detected is more than 2.54Mpa), progressively strengthen the aperture (can by regulating 4 step actions every time) of second section fluid element.After maintaining the aperture 200s of two restricting elements, detection compressor operating frequency and T4 value again, or according to user's adjustment to air-conditioning, detect compressor operating frequency and T4 value, first throttle element and second section fluid element are readjusted.
According to this adjustment mode, air conditioner Energy Efficiency Ratio equivalent specifications air-conditioner in the market, efficiency is high by 6.5%.
Embodiment 5:
In this embodiment, preset medium temperature or intermediate pressure, first detection object is intermediate pressure or medium temperature, according to actually detected to intermediate pressure or medium temperature adjusts the aperture of first throttle element so that the intermediate pressure that detects or medium temperature reach to preset intermediate pressure or default medium temperature；
Second detection object is outdoor environment temperature T4 and running frequency F, first calculates the setting aperture obtaining second section fluid element according to outdoor environment temperature T4 and running frequency F, then according to the aperture setting aperture adjustment second section fluid element.
Specifically, the interval of the medium temperature preset during refrigeration can be 20 DEG C-35 DEG C, and the interval of the intermediate pressure preset can be 0.8MPa-1.5MPa.When intermediate pressure or temperature being detected lower than setting value, open the aperture of big first throttle element, otherwise turn down.
Relational expression between aperture LA_cool_2 and outdoor environment temperature T4 and the running frequency F of second section fluid element is: LA_cool_2=a2·F+b2T4+c2, when the aperture LA_cool_2 calculated is more than the actual aperture of the second section fluid element gathered, the aperture of second section fluid element is increased to calculating aperture；Otherwise turn down.Wherein, 0≤a2≤ 30,0≤b2≤ 30 ,-50≤c2≤ 150, control coefrficient a, b, c can be all 0, when any of coefficient is zero, it was demonstrated that parameter corresponding to this coefficient on restricting element aperture without impact.
Such as, when freezing, setting medium temperature as 26 DEG C or setting intermediate pressure 1.65MPa, detect that outdoor environment temperature is 35 DEG C, compressor operating frequency is 58Hz, sets a2=1.5, b2=1.6, c2=17.First, system adjusts the aperture of first throttle element according to the medium temperature collected or intermediate pressure value.When the medium temperature collected more than 26 DEG C or the intermediate pressure collected more than 1.65MPa time, progressively turn down the aperture (can by regulate 4 step actions) of first throttle element every time.Otherwise the aperture of turning down.Then system is according to detecting that what outdoor environment temperature and compressor operating cymometer calculated second section fluid element sets aperture as 160, then adjusts the aperture of second section fluid element to 160.After maintaining the aperture 200s of two restricting elements, detection compressor operating frequency and T4 value again, or according to user's adjustment to air-conditioning, detect compressor operating frequency and T4 value, first throttle element and second section fluid element are readjusted.
According to this adjustment mode, air conditioner Energy Efficiency Ratio equivalent specifications air-conditioner in the market, efficiency is high by 6.5%.
Embodiment 6:
In this embodiment, preset multiple outdoor temperatures interval, the aperture of the restricting element that each outdoor temperature interval is corresponding different, first detection object is outdoor environment temperature T4, adjusts the aperture of first throttle element according to the opening value that the outdoor temperature interval at the actually detected outdoor environment temperature T4 place arrived is corresponding.
Second detection object is outdoor environment temperature T4 and running frequency F, first calculates the setting aperture obtaining second section fluid element according to outdoor environment temperature T4 and running frequency F, then according to the aperture setting aperture adjustment second section fluid element.
Specifically, during refrigeration, the concrete condition such as following table of the aperture of the first throttle element that different outdoor temperature intervals is corresponding:
| T4 | Aperture |
| 10≤T4 < 20 | 100 |
| 20≤T4 < 30 | 110 |
| 30≤T4 < 40 | 120 |
| 40≤T4 < 50 | 150 |
| 50≤T4 < 60 | 180 |
Relational expression between aperture LA_cool_2 and outdoor environment temperature T4 and the running frequency F of second section fluid element is: LA_cool_2=a2·F+b2T4+c2, when the aperture LA_cool_2 calculated is more than the actual aperture of the second section fluid element gathered, the aperture of second section fluid element is increased to calculating aperture；Otherwise turn down.Wherein, 0≤a2≤ 30,0≤b2≤ 30 ,-50≤c2≤ 150, control coefrficient a, b, c can be all 0, when any of coefficient is zero, it was demonstrated that parameter corresponding to this coefficient on restricting element aperture without impact.
Such as, during refrigeration, detecting that outdoor environment temperature is 35 DEG C, compressor operating frequency is 58Hz, sets a2=1.5, b2=1.6, c2=17.First, first system is according to collecting outdoor environment temperature T4, show that the aperture of first throttle element should be 120, adjusts the aperture of first throttle element to 120.Then system is according to detecting that what outdoor environment temperature and compressor operating cymometer calculated second section fluid element sets aperture as 160, then adjusts the aperture of second section fluid element to 160.After maintaining the aperture 200s of two restricting elements, detection compressor operating frequency and T4 value again, or according to user's adjustment to air-conditioning, detect compressor operating frequency and T4 value, first throttle element and second section fluid element are readjusted.
According to this adjustment mode, air conditioner Energy Efficiency Ratio equivalent specifications air-conditioner in the market, efficiency is high by 6.5%.
It is understandable that, what above-mentioned six embodiments were merely given as specifically illustrates, the control method of the embodiment of the present invention is not limited to above-mentioned six kinds, for instance the regulative mode of the first throttle element in six kinds of examples and the aperture of second section fluid element can be carried out random combine；Or the compressor operating frequency in above-described embodiment can also by actually detected to outdoor environment temperature draw, for instance preset multiple outdoor environment temperatures interval, the compressor operating frequency that multiple outdoor environment temperature intervals are corresponding different.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And, fisrt feature second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or be merely representative of fisrt feature level height higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be fisrt feature immediately below second feature or obliquely downward, or be merely representative of fisrt feature level height less than second feature.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means in conjunction with this embodiment or example describe are contained at least one embodiment or the example of the present invention.In this manual, the schematic representation of above-mentioned term is necessarily directed to identical embodiment or example.And, the specific features of description, structure, material or feature can combine in one or more embodiments in office or example in an appropriate manner.Additionally, when not conflicting, the feature of the different embodiments described in this specification or example and different embodiment or example can be carried out combining and combining by those skilled in the art.
Although above it has been shown and described that embodiments of the invention, it is understandable that, above-described embodiment is illustrative of, it is impossible to be interpreted as limitation of the present invention, and above-described embodiment can be changed, revises, replace and modification by those of ordinary skill in the art within the scope of the invention.
Claims (10)
1. the control method of a single cold type air-conditioner, it is characterised in that described single cold type air-conditioner includes:
Duplex cylinder compressor, described duplex cylinder compressor includes housing, the first cylinder, the second cylinder and the first reservoir, described housing is provided with air vent, described first cylinder and described second cylinder are respectively provided in described housing, described first reservoir is located at outside described housing, the air entry of described first cylinder connects with described first reservoir, and the span of the delivery space ratio of described second cylinder and described first cylinder is 1%～10%；
Outdoor heat exchanger and indoor heat exchanger, the first end of described outdoor heat exchanger is connected with described air vent, and the first end of described indoor heat exchanger is connected with described first reservoir；
Gas-liquid separator, described gas-liquid separator includes gas outlet, first interface and the second interface, described gas outlet is connected with the air entry of described second cylinder, described first interface is connected with the second end of described outdoor heat exchanger, described second interface is connected with the second end of described indoor heat exchanger, it is in series with the adjustable first throttle element of aperture between described first interface and described outdoor heat exchanger, between described second interface and described indoor heat exchanger, is in series with the adjustable second section fluid element of aperture；
Described control method comprises the steps: first to adjust the aperture of described first throttle element to setting aperture according to the testing result detecting object to first, then the aperture of described second section fluid element is adjusted to setting aperture according to the testing result detecting object to second, the setting aperture of described first throttle element is less than the setting aperture of described second section fluid element, and the testing result that the testing result of described first detection object detects object from described second is different；
Wherein said first detection object includes at least one outdoor environment temperature, the running frequency of duplex cylinder compressor, the delivery temperature of air vent, the pressure at expulsion of air vent, the intermediate pressure of coolant discharged from described gas outlet, the medium temperature of coolant discharged from described gas outlet；
Described second detection object includes at least one outdoor environment temperature, the running frequency of duplex cylinder compressor, the delivery temperature of air vent, the pressure at expulsion of air vent, the intermediate pressure of coolant discharged from described gas outlet, the medium temperature of coolant discharged from described gas outlet.
2. the control method of single cold type air-conditioner according to claim 1, it is characterised in that described first throttle element is electric expansion valve, described second section fluid element is electric expansion valve.
3. the control method of single cold type air-conditioner according to claim 1, it is characterised in that be in series with electromagnetic valve between the air entry of described gas outlet and described second cylinder.
4. the control method of single cold type air-conditioner according to claim 1, it is characterised in that the span of the volume of described gas-liquid separator is 100mL-500mL.
5. the control method of single cold type air-conditioner according to claim 1, it is characterized in that, described first detection object and described second detection object are outdoor environment temperature T4 and running frequency F, the setting aperture obtaining first throttle element and second section fluid element is calculated, then according to the aperture setting first throttle element corresponding to aperture adjustment and second section fluid element according to the described outdoor environment temperature T4 detected and running frequency F.
6. the control method of single cold type air-conditioner according to claim 1, it is characterized in that, described first detection object is outdoor environment temperature T4 and running frequency F, first the setting aperture obtaining first throttle element is calculated according to described outdoor environment temperature T4 and described running frequency F, then according to the aperture setting the aperture described first throttle element of adjustment；
Described second detection object is outdoor environment temperature T4, running frequency F and pressure at expulsion；Or described second detection object is outdoor environment temperature T4, running frequency F and delivery temperature, first calculate according to described outdoor environment temperature T4 and described running frequency F and obtain setting pressure at expulsion or setting delivery temperature, then according to actually detected to pressure at expulsion or delivery temperature adjusts the aperture of second section fluid element so that the pressure at expulsion or the delivery temperature that detect reach set pressure at expulsion or set delivery temperature.
7. the control method of single cold type air-conditioner according to claim 1, it is characterised in that preset multiple outdoor temperatures interval, the aperture of the restricting element that each described outdoor temperature interval is corresponding different,
First detection object is outdoor environment temperature T4, adjusts the aperture of first throttle element according to the opening value that the outdoor temperature interval at the actually detected outdoor environment temperature T4 place arrived is corresponding；
Described second detection object is outdoor environment temperature T4, running frequency F and pressure at expulsion；Or described second detection object is outdoor environment temperature T4, running frequency F and delivery temperature, first calculate according to described outdoor environment temperature T4 and described running frequency F and obtain setting pressure at expulsion or setting delivery temperature, then according to actually detected to pressure at expulsion or delivery temperature adjusts the aperture of second section fluid element so that the pressure at expulsion or the delivery temperature that detect reach set pressure at expulsion or set delivery temperature.
8. the control method of single cold type air-conditioner according to claim 1, it is characterized in that, preset medium temperature or default intermediate pressure, described first detection object is intermediate pressure or medium temperature, according to actually detected to intermediate pressure or medium temperature adjusts the aperture of first throttle element so that the intermediate pressure that detects or medium temperature reach to preset intermediate pressure or default medium temperature；
Described second detection object is outdoor environment temperature T4, running frequency F and pressure at expulsion；Or described second detection object is outdoor environment temperature T4, running frequency F and delivery temperature, first calculate according to described outdoor environment temperature T4 and described running frequency F and obtain setting pressure at expulsion or setting delivery temperature, then according to actually detected to pressure at expulsion or delivery temperature adjusts the aperture of second section fluid element so that the pressure at expulsion or the delivery temperature that detect reach set pressure at expulsion or set delivery temperature.
9. the control method of single cold type air-conditioner according to claim 1, it is characterized in that, preset medium temperature or default intermediate pressure, described first detection object is intermediate pressure or medium temperature, according to actually detected to intermediate pressure or medium temperature adjusts the aperture of first throttle element so that the intermediate pressure that detects or medium temperature reach to preset intermediate pressure or default medium temperature；
Described second detection object is outdoor environment temperature T4 and running frequency F, first calculates the setting aperture obtaining second section fluid element according to described outdoor environment temperature T4 and described running frequency F, then according to the aperture setting the aperture described second section fluid element of adjustment.
10. the control method of single cold type air-conditioner according to claim 1, it is characterised in that preset multiple outdoor temperatures interval, the aperture of the restricting element that each described outdoor temperature interval is corresponding different,
First detection object is outdoor environment temperature T4, adjusts the aperture of first throttle element according to the opening value that the outdoor temperature interval at the actually detected outdoor environment temperature T4 place arrived is corresponding；
Described second detection object is outdoor environment temperature T4 and running frequency F, first calculates the setting aperture obtaining second section fluid element according to described outdoor environment temperature T4 and described running frequency F, then according to the aperture setting the aperture described second section fluid element of adjustment.
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| CN201610286652.5A CN105737425B (en) | 2016-04-29 | 2016-04-29 | The control method of single cold type 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 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106556188A (en) * | 2016-11-29 | 2017-04-05 | 珠海格力电器股份有限公司 | A kind of control method of air-conditioning system cold medium flux |
| CN108317787A (en) * | 2017-12-25 | 2018-07-24 | 珠海格力电器股份有限公司 | The air-conditioning system and its control method of compressor, storage medium and processor |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5499508A (en) * | 1993-03-30 | 1996-03-19 | Kabushiki Kaisha Toshiba | Air conditioner |
| CN102914028A (en) * | 2012-10-19 | 2013-02-06 | 广东美的制冷设备有限公司 | Energy saving control method and system as well as air conditioner |
| CN103557624A (en) * | 2013-10-11 | 2014-02-05 | 广东美芝制冷设备有限公司 | Refrigeration cycling device |
| CN104215001A (en) * | 2014-07-10 | 2014-12-17 | 广东美的集团芜湖制冷设备有限公司 | Double-stage compressor air-conditioner system and control method thereof |
| CN104515334A (en) * | 2013-09-30 | 2015-04-15 | 海尔集团公司 | Air conditioner heating mode frequency control method |
| CN204630128U (en) * | 2015-02-03 | 2015-09-09 | 广东美芝制冷设备有限公司 | Refrigeration system |
| CN104964498A (en) * | 2015-07-30 | 2015-10-07 | 珠海格力电器股份有限公司 | Control method for electronic expansion valve of refrigerating system and refrigerating system |
-
2016
- 2016-04-29 CN CN201610286652.5A patent/CN105737425B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5499508A (en) * | 1993-03-30 | 1996-03-19 | Kabushiki Kaisha Toshiba | Air conditioner |
| CN102914028A (en) * | 2012-10-19 | 2013-02-06 | 广东美的制冷设备有限公司 | Energy saving control method and system as well as air conditioner |
| CN104515334A (en) * | 2013-09-30 | 2015-04-15 | 海尔集团公司 | Air conditioner heating mode frequency control method |
| CN103557624A (en) * | 2013-10-11 | 2014-02-05 | 广东美芝制冷设备有限公司 | Refrigeration cycling device |
| CN104215001A (en) * | 2014-07-10 | 2014-12-17 | 广东美的集团芜湖制冷设备有限公司 | Double-stage compressor air-conditioner system and control method thereof |
| CN204630128U (en) * | 2015-02-03 | 2015-09-09 | 广东美芝制冷设备有限公司 | Refrigeration system |
| CN104964498A (en) * | 2015-07-30 | 2015-10-07 | 珠海格力电器股份有限公司 | Control method for electronic expansion valve of refrigerating system and refrigerating system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106556188A (en) * | 2016-11-29 | 2017-04-05 | 珠海格力电器股份有限公司 | A kind of control method of air-conditioning system cold medium flux |
| CN106556188B (en) * | 2016-11-29 | 2019-10-01 | 珠海格力电器股份有限公司 | A kind of control method of air-conditioning system cold medium flux |
| CN108317787A (en) * | 2017-12-25 | 2018-07-24 | 珠海格力电器股份有限公司 | The air-conditioning system and its control method of compressor, storage medium and processor |
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