CN106801981B - A kind of control method of air-conditioning, device and air-conditioning - Google Patents
A kind of control method of air-conditioning, device and air-conditioning Download PDFInfo
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- CN106801981B CN106801981B CN201710064229.5A CN201710064229A CN106801981B CN 106801981 B CN106801981 B CN 106801981B CN 201710064229 A CN201710064229 A CN 201710064229A CN 106801981 B CN106801981 B CN 106801981B
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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
- 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
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
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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
- 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
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/40—Pressure, e.g. wind pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2140/00—Control inputs relating to system states
- F24F2140/10—Pressure
- F24F2140/12—Heat-exchange fluid pressure
Abstract
The invention discloses a kind of control method of air-conditioning, device and air-conditionings, belong to air-conditioning technical field.Control method includes: the target fluid pressure and initial fluid pressure for obtaining second throttling device；The flow aperture for adjusting second throttling device and third throttling set, makes initial fluid pressure reach target fluid pressure；The target outlet pressure and initial outlet pressure of first throttling device are obtained, target outlet pressure and initial outlet pressure are the pressure for the refrigerant that first throttling device inputs compressor；The flow aperture for adjusting first throttling device, makes initial outlet pressure reach target outlet pressure.Control method of the invention is exchanged heat by control electric control element with the gaseous coolant for flowing through radiator, and the flow aperture of throttling set can be adjusted according to preset tonifying Qi temperature, to make the refrigerant after heat exchange can satisfy the pressure requirements of compressor Gas-supplying enthalpy-increasing, the performance of air-conditioning entirety is improved.
Description
Technical field
The present invention relates to air-conditioning technical fields, more particularly to a kind of control method of air-conditioning, device and air-conditioning.
Background technique
Currently on the market determine frequency or convertible frequency air-conditioner product, when air-conditioning is run in the case where summer, outdoor temperature was excessively high,
The enthalpy of refrigerant after compressor compresses tends not to the enthalpy requirement for meeting heat exchange, leads to the refrigerant and the room that flow into condenser
The heat exchange efficiency of external environment reduces, it is therefore desirable to carry out Gas-supplying enthalpy-increasing operation to compressor；And existing Gas-supplying enthalpy-increasing is mostly to adopt
It is directly filled with the mode in compressor with by the refrigerant after exchanging heat in outdoor condenser, refrigerant pressure tends not to reach most
Good Gas-supplying enthalpy-increasing pressure requirements.
Summary of the invention
The embodiment of the invention provides a kind of control method of air-conditioning, device and air-conditionings.For the embodiment to disclosure
Some aspects have a basic understanding, and simple summary is shown below.The summarized section is not extensive overview, nor wanting
It determines key/critical component or describes the protection scope of these embodiments.Its sole purpose is presented with simple form
Some concepts, in this, as the preamble of following detailed description.
According to the first aspect of the invention, a kind of control method of air-conditioning is provided, comprising: obtain second throttling device
Target fluid pressure and initial fluid pressure；The flow aperture for adjusting second throttling device and third throttling set makes initial
Fluid pressure reaches target fluid pressure；The target outlet pressure and initial outlet pressure, target for obtaining first throttling device go out
Atmospheric pressure and initial outlet pressure are the pressure for the refrigerant that first throttling device inputs compressor；Adjust the stream of first throttling device
Aperture is measured, initial outlet pressure is made to reach target outlet pressure.
Further, the target fluid pressure of second throttling device is obtained, comprising: detect evaporating pressure and the condensation of air-conditioning
Pressure；According to evaporating pressure and condensing pressure, target fluid pressure is determined；The calculation formula of target fluid pressure are as follows:
Wherein, PTarget goes out liquidFor target fluid pressure, PeFor evaporating pressure, PcFor condensing pressure.
Further, by adjusting the flow aperture of second throttling device and third throttling set, so that initially hydraulic out
Power reaches target fluid pressure, comprising: when initial fluid pressure is greater than target fluid pressure, controls second throttling device with the
One aperture rate improves its flow aperture, and controls third throttling set and reduce its flow aperture with the first aperture rate, until
Initial fluid pressure reaches target fluid pressure；When initial fluid pressure is less than target fluid pressure, control the second throttling dress
Setting reduces its flow aperture with the first aperture rate, and controls third throttling set and improve its flow with the first aperture rate and open
Degree, until initial fluid pressure reaches target fluid pressure；When initial fluid pressure is equal to target fluid pressure, first is maintained
The flow aperture of throttling set, second throttling device and third throttling set is constant.
Further, the target outlet pressure of first throttling device is obtained, comprising: detect the pressure of inspiration(Pi) of compressor of air conditioner
And pressure at expulsion；According to pressure of inspiration(Pi) and pressure at expulsion, the target outlet pressure of first throttling device is determined；Target outlet pressure
Calculation formula are as follows:
Wherein, PTarget outletFor target outlet pressure, PsFor pressure of inspiration(Pi), PtFor pressure at expulsion.
Further, by adjusting the flow aperture of first throttling device, so that initial outlet pressure reaches target outlet
Pressure, comprising: when initial outlet pressure is greater than target outlet pressure, control first throttling device is improved with the second aperture rate
Its flow aperture, until initial outlet pressure reaches target outlet pressure；When initial outlet pressure is less than target outlet pressure,
Controlling first throttling device reduces its flow aperture with the second aperture rate, until initial outlet pressure reaches target and goes out air pressure
Power；When initial outlet pressure is equal to target outlet pressure, maintain the flow aperture of first throttling device constant.
According to the second aspect of the invention, a kind of control device of air-conditioning is additionally provided, comprising: acquiring unit is used for
The target fluid pressure and initial fluid pressure of second throttling device are obtained, and the target of acquisition first throttling device goes out air pressure
Power and initial outlet pressure, target outlet pressure and initial outlet pressure are the pressure for the refrigerant that first throttling device inputs compressor
Power；Main control unit makes initial fluid pressure reach mesh for adjusting the flow aperture of second throttling device and third throttling set
Mark hydraulic coupling；And the flow aperture of first throttling device is adjusted, so that initial outlet pressure is reached target outlet pressure.
Further, acquiring unit is used for: obtaining evaporating pressure and condensing pressure that air-conditioning detects；According to evaporation
Pressure and condensing pressure determine target fluid pressure；The calculation formula of target fluid pressure are as follows:
Wherein, PTarget goes out liquidFor target fluid pressure, PeFor evaporating pressure, PcFor condensing pressure.
Further, main control unit is used for: when initial fluid pressure is greater than target fluid pressure, control the second throttling dress
It sets and its flow aperture is improved with the first aperture rate, and control third throttling set its flow is reduced with the first aperture rate and open
Degree, until initial fluid pressure reaches target fluid pressure；And when initial fluid pressure is less than target fluid pressure, control
Second throttling device reduces its flow aperture with the first aperture rate, and controls third throttling set and improved with the first aperture rate
Its flow aperture, until initial fluid pressure reaches target fluid pressure；And it is hydraulic out equal to target in initial fluid pressure
When power, maintain the flow aperture of first throttling device, second throttling device and third throttling set constant.
Further, acquiring unit is used for: obtaining the pressure of inspiration(Pi) and pressure at expulsion of the compressor that air-conditioning detects；
According to pressure of inspiration(Pi) and pressure at expulsion, the target outlet pressure of first throttling device is determined；The calculation formula of target outlet pressure
Are as follows:
Wherein, PTarget outletFor target outlet pressure, PsFor pressure of inspiration(Pi), PtFor pressure at expulsion.
Further, main control unit is used for: when initial outlet pressure is greater than target outlet pressure, control first throttle dress
It sets and its flow aperture is improved with the second aperture rate, until initial outlet pressure reaches target outlet pressure；And initially going out
When atmospheric pressure is less than target outlet pressure, controlling first throttling device with the second aperture rate reduces its flow aperture, until just
Beginning outlet pressure reaches target outlet pressure；And when initial outlet pressure is equal to target outlet pressure, maintain first throttle
The flow aperture of device is constant.
According to the third aspect of the present invention, a kind of air-conditioning is additionally provided, air-conditioning includes the interior with First Heat Exchanger
Machine, the outdoor unit with the second heat exchanger and compressor, electrical control member are located outside in machine, First Heat Exchanger, the second heat exchanger and
Compressor is connected by the first pipeline and the second pipeline, and for constituting refrigerant circulation circuit, air-conditioning further includes cooling component, cold
But component has flash evaporation, first throttling device and the radiator for radiating for electrical control member, wherein flash evaporation is connected to first
On pipeline, radiator is connected to the gas supplementing opening of compressor, flash evaporation respectively by cooling line, and first throttling device setting is being pressed
On cooling line between contracting machine and flash evaporation, air-conditioning, which has, to be set on the first pipeline between the second heat exchanger and flash evaporation
Second throttling device and the first pipeline for being set between First Heat Exchanger and flash evaporation on third throttling set, it is empty
It adjusts and is provided with the first sensor of evaporating pressure or condensing pressure for detecting First Heat Exchanger, for detecting second sensor
Evaporating pressure or condensing pressure second sensor, the third of outlet pressure for detecting first throttling device sensing
4th sensor of device, fluid pressure for detecting second throttling device, and pressure of inspiration(Pi) for detecting compressor and
5th sensor of pressure at expulsion.
Control method of the invention is exchanged heat by control electric control element with the gaseous coolant for flowing through radiator, to realize to electricity
The heat exchange cooling of element is controlled, while the flow aperture of throttling set can also be adjusted according to preset tonifying Qi temperature, to make to change
The part refrigerant after heat can satisfy the pressure requirements of compressor Gas-supplying enthalpy-increasing, improve the performance of air-conditioning entirety.
It should be understood that above general description and following detailed description be only it is exemplary and explanatory, not
It can the limitation present invention.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows and meets implementation of the invention
Example, and be used to explain the principle of the present invention together with specification.
Fig. 1 is the flow chart one of control method of the present invention；
Fig. 2 is the flowchart 2 of control method of the present invention；
Fig. 3 is the overall structure diagram of air-conditioning of the present invention；
Fig. 4 is the pressure-enthalpy chart of refrigerant circulation in air-conditioning of the present invention；
Fig. 5 is the tephigram of refrigerant circulation in air-conditioning of the present invention.
Specific embodiment
The following description and drawings fully show specific embodiments of the present invention, to enable those skilled in the art to
Practice them.Other embodiments may include structure, logic, it is electrical, process and other change.Embodiment
Only represent possible variation.Unless explicitly requested, otherwise individual components and functionality is optional, and the sequence operated can be with
Variation.The part of some embodiments and feature can be included in or replace part and the feature of other embodiments.This hair
The range of bright embodiment includes equivalent obtained by the entire scope of claims and all of claims
Object.Herein, each embodiment individually or can be indicated generally with term " invention ", and it is convenient that this is used for the purpose of,
And if in fact disclosing the invention more than one, the range for being not meant to automatically limit the application is any single invention
Or inventive concept.Herein, relational terms such as first and second and the like be used only for by an entity or operation with
Another entity or operation distinguish, and without requiring or implying, there are any actual relationships between these entities or operation
Or sequence.Moreover, the terms "include", "comprise" or any other variant thereof is intended to cover non-exclusive inclusion, thus
So that process, method or equipment including a series of elements not only include those elements, but also including being not explicitly listed
Other element, or further include for this process, method or the intrinsic element of equipment.In the feelings not limited more
Under condition, the element that is limited by sentence "including a ...", it is not excluded that in process, method or equipment including the element
In there is also other identical elements.Each embodiment herein is described in a progressive manner, and each embodiment stresses
Be the difference from other embodiments, the same or similar parts in each embodiment may refer to each other.For implementing
For method, product etc. disclosed in example, since it is corresponding with method part disclosed in embodiment, so the comparison of description is simple
Single, reference may be made to the description of the method.
As depicted in figs. 1 and 2, the present invention provides a kind of control method of air-conditioning, the key step of control method includes:
S101, the target fluid pressure and initial fluid pressure for obtaining second throttling device；
By taking operation of air conditioner refrigeration mode as an example, refrigerant is after the outflow of the second heat exchanger of outdoor unit, in second throttling device
Once throttled, then flash evaporation shunt, wherein gaseous coolant along cooling line flow to first throttling device carry out it is secondary
Throttling, liquid refrigerants continues to carry out second throttle along the first tube runs and through third throttling set, therefore refrigerant is in the second section
It flows the pressure change in a throttling process of device and influences whether subsequent compressor Gas-supplying enthalpy-increasing efficiency and indoor heat exchange effect
Rate, therefore the target that obtain the initial fluid pressure of second throttling device and air-conditioning is made to reach optimum Working is hydraulic out
The parameter informations such as power；
The initial fluid pressure of second throttling device can be by being set to the 4th of the liquid outlet position of second throttling device
Sensor detects to obtain；
S102, the flow aperture for adjusting second throttling device and third throttling set, make initial fluid pressure reach target
Fluid pressure；
In embodiment, control method of the invention first passes through the second throttling device and third that control is located on the first pipeline
The flow aperture of throttling set, to make the initial fluid pressure of second throttling device reach target fluid pressure, and then can
Meet the refrigerant pressure requirement of indoor heat exchange；
S103, obtain first throttling device target outlet pressure with initial outlet pressure, target outlet pressure and just
Beginning outlet pressure is the pressure for the refrigerant that first throttling device inputs compressor；
In embodiment, the intermediate fill gas mouth of the first throttling device connection compressor in air-conditioning system, therefore flow through first
The refrigerant of throttling set is to play the role of Gas-supplying enthalpy-increasing to compressor, in order to guarantee the compression ratio of compressor, improve compressor
Compression efficiency, therefore the refrigerant for filling into compressor needs to meet the target outlet pressure of setting；
The initial outlet pressure of first throttling device can be by being set to the third of the gas outlet position of first throttling device
Sensor detects to obtain, and detected in embodiment is initial outlet pressure after fluid pressure reaches target fluid pressure；
S104, the flow aperture for adjusting first throttling device, so that initial outlet pressure reaches target outlet pressure.This hair
Bright control method is opened according to the pressure parameter information of throttling set and compressor by the flow of three throttling sets of control and regulation
Degree, can meet indoor heat exchange demand, the radiating requirements of electric control element simultaneously, and enable the refrigerant after exchanging heat with electric control element
Enough reach the pressure demand of compressor Gas-supplying enthalpy-increasing, to keep air-conditioning system whole with the operation of optimal working condition, improves it
Service performance.
During this refrigerant circulation, between first throttling device, second throttling device and third throttling set three
Flow adjusting intercouples, and no matter adjusts which throttling set, can all cause the variation of remaining throttling set, therefore this
Invention control method core adjusted is the coolant quantity needs for preferentially meeting basic air-conditioning to indoor environment cooling heat exchange, then full
Sufficient cooling component carries out the refrigerant needs of cooling and compressor Gas-supplying enthalpy-increasing to electric control element, compared to indoor cooling heat exchange institute
The cold medium flux needed, coolant quantity needed for cooling component cooling and compressor Gas-supplying enthalpy-increasing is less, because hereafter adjusting cooling group
The mode of first throttling device in part is relatively small to the flow effect of remaining throttling set, therefore the adjusting behaviour in embodiment
Make process specially first adjust second and third throttling set flow aperture to meet basic indoor refrigeration needs, then adjust the
One throttling set is to meet the needs that radiator cools down, wherein the first throttling device adjusted afterwards can cause second throttling device
With the changes in flow rate of third throttling set, can the aperture to second throttling device and third throttling set finely tune in right amount.
In some embodiments of the invention, the specific steps for obtaining the target fluid pressure of second throttling device include:
Detect the evaporating pressure and condensing pressure of air-conditioning；In embodiment, when operation of air conditioner refrigeration mode, evaporating pressure passes through
It is set to the first sensor at the First Heat Exchanger of indoor unit to detect to obtain, condensing pressure is by being set to outdoor unit
Second sensor at second heat exchanger detects to obtain；
According to evaporating pressure and condensing pressure, target fluid pressure is determined, in embodiment, wherein the one of target fluid pressure
Kind calculation formula are as follows:
Wherein, PTarget goes out liquidFor target fluid pressure, PeFor evaporating pressure, PcFor condensing pressure, by theoretical calculation, in target
When fluid pressure can reach fluid pressure corresponding to above-mentioned evaporating pressure and condensing pressure, the cooling system heating capacity of air-conditioning
Maximal efficiency can be reached, therefore control method of the present invention is adjusted accordingly using the target fluid pressure as target component
It is whole.
In some embodiments of the invention, by adjusting the flow aperture of second throttling device and third throttling set,
So that initial fluid pressure reaches target fluid pressure, specific steps include:
When initial fluid pressure is greater than target fluid pressure, second throttling device is controlled with the first aperture rate and improves it
Flow aperture, and control third throttling set its flow aperture is reduced with the first aperture rate, until initial fluid pressure reaches
Target fluid pressure；
When initial fluid pressure is less than target fluid pressure, controlling second throttling device with the first aperture rate reduces it
Flow aperture, and control third throttling set and its flow aperture is improved with the first aperture rate, until initial fluid pressure reaches
Target fluid pressure；
When initial fluid pressure is equal to target fluid pressure, first throttling device, second throttling device and third are maintained
The flow aperture of throttling set is constant.
In control method of the present invention, by with the aperture rate adaptation second throttling device of setting and third throttling set
Flow aperture can make the pressure change of the liquid outlet of throttling set more steady, avoid increasing or decreasing throttling set suddenly
Aperture caused by refrigerant it is turbulent the problems such as.Wherein, the setting of aperture rate can go out according to initial fluid pressure and target
The difference of hydraulic coupling determines, in order to improve the rate of fluid pressure adjusting, in the difference of initial fluid pressure and target fluid pressure
When being worth larger, aperture rate is also set to biggish numerical value；Similarly, when difference is smaller, aperture rate is then set as lesser
Numerical value.
In some embodiments of the invention, the step of obtaining the target outlet pressure of first throttling device include:
Detect the pressure of inspiration(Pi) and pressure at expulsion of compressor of air conditioner；In embodiment, pressure of inspiration(Pi) and pressure at expulsion can pass through
It is set to the 5th sensor detection at compressor to reach, the 5th sensor has the first sense of the air entry for being set to compressor
Answer the second induction terminal of terminal, the exhaust outlet for being set to compressor；
According to pressure of inspiration(Pi) and pressure at expulsion, the target outlet pressure of first throttling device is determined；Target outlet pressure
Calculation formula are as follows:
Wherein, PTarget outletFor target outlet pressure, PsFor pressure of inspiration(Pi), PtFor pressure at expulsion, the embodiment of the present invention is with two
For grade compressor, the refrigerant pressure that in-between gas supplementing opening is filled into is the average value of pressure of inspiration(Pi) and pressure at expulsion, works as compression
When machine is the compound compressor of three-level or more, target outlet pressure can be calculated according to the specific tonifying Qi position of gas supplementing opening and be determined.
In some embodiments of the invention, by adjusting the flow aperture of first throttling device, so as to initially go out air pressure
Power reaches target outlet pressure, comprising:
When initial outlet pressure is greater than target outlet pressure, first throttling device is controlled with the second aperture rate and improves it
Flow aperture, until initial outlet pressure reaches target outlet pressure；
When initial outlet pressure is less than target outlet pressure, controlling first throttling device with the second aperture rate reduces it
Flow aperture, until initial outlet pressure reaches target outlet pressure；
When initial outlet pressure is equal to target outlet pressure, maintain the flow aperture of first throttling device constant.
It, can by with the flow aperture of the aperture rate adaptation first throttling device of setting in control method of the present invention
Keep the pressure change of the gas outlet of first throttling device more steady, the aperture for increasing or decreasing throttling set suddenly is avoided to be led
The problems such as refrigerant of cause is turbulent.Wherein, the setting of aperture rate can be according to the difference of initial outlet pressure and target outlet pressure
Value determines, opens to improve the rate of outlet pressure adjusting when the difference of initial outlet pressure and target outlet pressure is larger
Degree rate is also set to biggish numerical value；Similarly, when difference is smaller, aperture rate is then set as lesser numerical value.
The present invention also provides a kind of control devices of air-conditioning, and the control device is using the control disclosed in above-described embodiment
Method processed controls air-conditioning accordingly, and device specifically includes that
Acquiring unit, for obtaining the target fluid pressure and initial fluid pressure of second throttling device；And obtain the
The target outlet pressure and initial outlet pressure of one throttling set, target outlet pressure and initial outlet pressure are first throttle
Device inputs the pressure of the refrigerant of compressor；
Main control unit makes initial fluid pressure for adjusting the flow aperture of second throttling device and third throttling set
Reach target fluid pressure；And the flow aperture of first throttling device is adjusted, so that outlet pressure reaches target outlet pressure.
In some embodiments of the invention, acquiring unit is also used to: obtain the evaporating pressure that detects of air-conditioning with
Condensing pressure；According to evaporating pressure and condensing pressure, target fluid pressure is determined；
The calculation formula of target fluid pressure are as follows:
Wherein, PTarget goes out liquidFor target fluid pressure, PeFor evaporating pressure, PcFor condensing pressure.
In some embodiments of the invention, main control unit is used for: when initial fluid pressure is greater than target fluid pressure,
It controls second throttling device and its flow aperture is improved with the first aperture rate, and control third throttling set with the first aperture rate
Its flow aperture is reduced, until initial fluid pressure reaches target fluid pressure；And go out in initial fluid pressure less than target
When hydraulic coupling, controlling second throttling device with the first aperture rate reduces its flow aperture, and controls third throttling set with the
One aperture rate improves its flow aperture, until initial fluid pressure reaches target fluid pressure；And in initial fluid pressure
When equal to target fluid pressure, maintain the flow aperture of first throttling device, second throttling device and third throttling set constant.
In some embodiments of the invention, acquiring unit is used for: obtaining the air-breathing for the compressor that air-conditioning detects
Pressure and pressure at expulsion；According to pressure of inspiration(Pi) and pressure at expulsion, the target outlet pressure of first throttling device is determined；Target outlet
The calculation formula of pressure are as follows:
Wherein, PTarget outletFor target outlet pressure, PsFor pressure of inspiration(Pi), PtFor pressure at expulsion.
In some embodiments of the invention, main control unit is used for: when initial outlet pressure is greater than target outlet pressure,
It controls first throttling device and its flow aperture is improved with the second aperture rate, until initial outlet pressure reaches target and goes out air pressure
Power；And when initial outlet pressure is greater than target outlet pressure, controlling first throttling device with the second aperture rate reduces it
Flow aperture, until initial outlet pressure reaches target outlet pressure；And it is equal to target outlet pressure in initial outlet pressure
When, maintain the flow aperture of first throttling device constant.
Air conditioner structure applied by control method and control device in above-described embodiment is as shown in figure 3, the air-conditioning includes
Indoor unit and outdoor unit, wherein indoor unit includes the First Heat Exchanger 1 to exchange heat with indoor environment, and outdoor unit includes and room
The second heat exchanger 2 that external environment exchanges heat, for providing the compressor 3 of circulation power, the electricity such as computer board, single-chip microcontroller for refrigerant
Control is set in outdoor unit, and First Heat Exchanger 1, the second heat exchanger 2 and compressor 3 pass through 5 phase of the first pipeline 4 and the second pipeline
Connection, for constituting conventional refrigerant circulation circuit, in embodiment, air-conditioning is in summer operation refrigeration mode, with outdoor environment
Refrigerant after heat exchange is flowed out out of second heat exchanger 2, flows into First Heat Exchanger 1 via the first pipeline 4, meanwhile, with indoor ring
Refrigerant after the heat exchange of border is flowed out from First Heat Exchanger 1, is flowed into the second heat exchanger 2 via the second pipeline 5, is passed through the refrigerant circulation
Process, it can be achieved that air-conditioning to the refrigeration cool-down function of indoor environment.Similarly, when running heating mode in winter, refrigerant is first
It is flowed between heat exchanger 1 and the second heat exchanger 2 along the direction opposite with refrigeration mode.Heating of the air-conditioning to indoor environment can be achieved
Heat up function.
In addition to above-mentioned conventional refrigerant circulation circuit, air-conditioning of the invention further includes cooling tube group, for solving electrical control member
Temperature excessively high problem when work.
Specifically, cooling tube group mainly includes 9 two parts of cooling component and cooling line, wherein cooling component is mainly wrapped
It includes:
Flash evaporation 6, flash evaporation 6 are connected on the first pipeline 4, the operative liquid refrigerant for flowing through the first pipeline 4 can be steamed
Hair is gaseous coolant, and gaseous coolant is delivered in cooling line 9, thus subsequent as cooling line 9 using gaseous coolant
Heat transferring medium in cooling procedure；
First throttling device 801 is set on the first pipeline 4, for adjusting stream of the gaseous coolant in cooling line 9
Amount, and the pressure and the temperature that adjust the refrigerant after electrical control member heat exchange etc., so that pressure can be met by flowing into the refrigerant of compressor 3
The needs of 3 Gas-supplying enthalpy-increasing of contracting machine；
Radiator 7, radiator 7 is connected on cooling line 9 and neighbouring electrical control member is arranged, since electrical control member is arranged in mostly
In the semienclosed containers such as electric-controlled box, therefore radiator 7 can be used as the heat-exchange carrier of gaseous coolant Yu electrical control member surrounding air, lead to
Cross and cool down to the surrounding air of electric control element, so can by the temperature of electrical control member itself control safe working temperature with
Under.The specific structure and type of radiator 7 can be arranged on cooling line 9 in embodiment according to the structure determination of outdoor unit
7 type of radiator is advection heat exchanger, and advection heat exchanger has many advantages, such as that heat transfer rate is high, space hold is small, it is tight to be suitable for structure
The air conditioner outdoor unit structure gathered.
For sequence of flow of the refrigerant for electrical control member radiating and cooling in cooling tube group are as follows: first 4 → flash evaporation of pipeline 6
7 → compressor of → radiator 3, first throttling device 801 can according to need be arranged in it is cold between flash evaporation 6 and compressor 3
But on pipeline 9.
It is mostly that directly the refrigerant in refrigerant pipeline is delivered in compressor 3 in the Gas-supplying enthalpy-increasing structure of conventional air-conditioning, this
During one, the parameters such as temperature and pressure of refrigerant do not have too big variation, and in air-conditioning of the invention, flow through radiator 7
Gaseous coolant temperature increase, pressure increase, therefore reduce the subsequent compression efficiency to refrigerant of compressor 3, to solve this
Problem, in one embodiment of the invention, air-conditioning further include second throttling device 802 and third throttling set 803, wherein
Second throttling device 802 is set on the first pipeline 4 between the second heat exchanger 2 and flash evaporation 6, and third throttling set 803 is set
It is placed on the first pipeline 4 between First Heat Exchanger 1 and flash evaporation 6, compared to the air conditioner structure of conventional Gas-supplying enthalpy-increasing, air-conditioning is set
The advantages of setting second throttling device 802 and third throttling set 803 is: by taking operation of air conditioner refrigeration mode as an example, liquid refrigerants
Before flowing into flash evaporation 6 by the second heat exchanger 2 of outdoor unit, the second section between the second heat exchanger 2 and flash evaporation 6 is set
Stream device 802 can one step ahead throttle to refrigerant, reduce the pressure of refrigerant, be evaporated to liquid refrigerants convenient for flash evaporation 6
Gaseous coolant, simultaneously as the temperature of refrigerant is lower, so can also increase heat exchange amount of the refrigerant at radiator 7, in this hair
In a bright embodiment, by adjusting the aperture of first throttling device 801 and second throttling device 802, so as to adjust refrigerant
Flow in cooling line 9 can make the temperature and pressure that the refrigerant of compressor 3 is flowed to from first throttling device 801, than from
The temperature and pressure for the refrigerant that second heat exchanger 2 flows to second throttling device 802 is lower.
Since operative liquid refrigerant is flowed into cooling line 9 in the form of gaseous coolant at flash evaporation 6, in order to guarantee to flow
The temperature and pressure for entering the First Heat Exchanger 1 of indoor unit meet actual indoor heat exchange demand, and setting is in First Heat Exchanger 1 and dodges
Third throttling set 803 between hair device 6 can play the role of throttle expansion valve, for adjusting the refrigerant of outflow flash evaporation 6
The parameters such as temperature and pressure.
Above-described embodiment is for running refrigeration mode under summer high temperature operating condition by air-conditioning, similarly, low temperature work in winter
Under condition, outdoor cryogenic conditions will affect the heat exchange amount of outdoor unit and outdoor environment, to guarantee system when operation of air conditioner heating mode
Heat also needs to execute compressor 3 Gas-supplying enthalpy-increasing operation, and in operation of air conditioner heating mode, refrigerant is in air-conditioning duct
In flow direction and refrigeration mode on the contrary, at this point, the third throttling set 803 being arranged between First Heat Exchanger 1 and flash evaporation 6 can
To play throttling action of the second throttling device 802 under cooling condition, the temperature for flowing into the refrigerant of flash evaporation 6 is adjusted one step ahead
And pressure and other parameters, and second throttling device 802 then plays the role of ending expansion valve, for adjusting from the outflow of flash evaporation 6, stream
Enter the parameters such as the temperature and pressure of refrigerant of the second heat exchanger 2 of outdoor unit.Refrigerant to realize under above two operating condition is adjusted
Process, second throttling device 802 of the present invention and third throttling set 803 are bidirectional throttling device.
The outdoor unit of air-conditioning further include for store and to compressor 3 convey refrigerant gas-liquid separator 10, compressor 3 to
Include less one stage of compression portion and secondary compressing portion, is connected with mixing unit between one stage of compression portion and secondary compressing portion, wherein level-one
The refrigerant that compression unit is used to flow into gas-liquid separator 10 carries out one stage of compression, and mixing unit is flowed into for combination cooling pipeline 9
Refrigerant and by one stage of compression refrigerant, secondary compressing portion be used for mixing refrigerant carry out two-stage compression, make compressor 3 export
Refrigerant can satisfy the second heat exchanger of outdoor unit 2 and externally exchange heat required temperature and pressure.
Meanwhile the gas returning port of compressor 3 include be connected to one stage of compression portion and gas-liquid separator 10 the first gas returning port and
It is connected to the second gas returning port of mixing unit and radiator 7, so that the refrigerant in different refrigerant flow lines flows into corresponding compressor 3
In internal structure.
Optionally, compressor 3 of the invention uses existing compensating compressor 3, and mixing unit is second vapor injection compression
The second vapor injection chamber of machine 3, the second gas returning port are the gas supplementing opening of compensating compressor 3.
In one embodiment of the invention, flash evaporation 6 and the first pipeline 4 are connected in series, the primary structure packet of flash evaporation 6
The gaseous coolant portion for including liquid refrigerants portion, being connected with liquid refrigerants portion, wherein liquid refrigerants portion has goes here and there with the first pipeline 4
Join the inlet and liquid outlet of connection, and flows to first gas outlet in gaseous coolant portion, gaseous coolant portion for gaseous coolant
Also there is the second gas outlet of connection cooling line 9.
Correspondingly, radiator 7 has the input end that is connected with second gas outlet in gaseous coolant portion, with compressor 3
The outlet end that second gas returning port is connected.
In another embodiment of the invention, flash evaporation 6 is connected in parallel with the first pipeline 4, and flash evaporation 6 corresponding first is managed
It is provided with shut-off valve on the parallel transistor section on road 4, unlatching or the pass of control first throttling device 801 and shut-off valve can be passed through
It closes, to be connected or block refrigerant pipeline and the corresponding parallel transistor section where flash evaporation 6, for example, can be by opening simultaneously
The shut-off valve in union section closes first throttling device 801, and refrigerant is made to be not passed through cooling line 9, is suitable for electrical control member calorific value
Less, temperature is maintained at the situation of safe working temperature or less, is also applied for the operating condition that compressor 3 is not necessarily to Gas-supplying enthalpy-increasing.
Meanwhile form is connected in parallel for above-mentioned flash evaporation 6, it by control first throttling device 801 and can also cut
The only flow aperture of valve adjusts the coolant quantity for flowing into indoor unit First Heat Exchanger 1 and mends for electrical control member heat dissipation or compressor 3
The coolant quantity of gas increasing enthalpy, so that air-conditioning integrally maintains optimal working condition.
Optionally, the first throttling device 801 in cooling component is set to the cooling tube between radiator 7 and compressor 3
On road 9, the not only refrigerant flow rate flow in adjustable cooling line 9, additionally it is possible to play the role of expansion valve, to gaseous coolant
Second throttle is carried out, to reduce the temperature and pressure of refrigerant, is imitated so as to improve compressor 3 to the compression of mixed refrigerant
Rate.
In one embodiment of the invention, air-conditioning is provided with the first sensor for detecting room temperature, Ke Yigen
The aperture of first throttling device 801 and second throttling device 802 is adjusted, according to detected room temperature to meet to indoor ring
The coolant quantity demand that border exchanges heat.
As shown in Figure 4 and Figure 5, in a chiller mode, refrigerant is in the Air-conditioning Cycle flow process, enthalpy and entropy
Change procedure are as follows: the refrigerant in state point A from the first gas returning port flow into compressor 3, be compressed to shape in one stage of compression portion
Mixing unit is flowed into after state point B, meanwhile, the refrigerant in cooling line 9 is in state point after 801 isenthalpic throttling of first throttling device
K is flowed into the mixing unit of compressor 3 by the second gas returning port of compressor 3, becomes being in after mixing with the refrigerant in state point B
The secondary compressing portion of the refrigerant of state point C, compressor 3 continues two-stage compression to refrigerant, is in state by isentropic Compression
The refrigerant of point D；Refrigerant in state point D is inputted the second heat exchanger 2 by compressor 3, is cooled to liquid point E by outdoor environment；
Refrigerant enters the first pipeline 4 along the outlet of the second heat exchanger 2, by 802 isenthalpic throttling of second throttling device to state point F, after
And flow into flash evaporation 6；The refrigerant flowed out from the liquid outlet in the liquid refrigerants portion of flash evaporation 6 is in state point G, through third stream device
Throttling becomes state point L after carrying out heat absorption evaporation into First Heat Exchanger 1, is then returned by the second pipeline 5 to state point I
To gas-liquid separator 10；Meanwhile it being in state point H from second gas outlet in the gaseous coolant portion of flash evaporation 6 outflow gaseous coolant,
Become state point J after flowing through parallel-flow heat exchanger, exchanging heat with electrical control member, refrigerant is carried out by first throttling device 801 later
Decompression cooling becomes state point K, flows into the mixing unit of compressor 3 by the second gas returning port of compressor 3 again.
In the above-mentioned refrigerant circulation of the present invention, electrical control member cooling and 3 Gas-supplying enthalpy-increasing of compressor, two mistakes are reduced to realize
Journey interferes with each other influence, can pass through control first throttling device 801, second throttling device 802 and third throttling set 803
Flow aperture is realized, for example, the refrigerant flowed out from the second heat exchanger 2 of outdoor unit is passing through in the embodiment of above-mentioned diagram
After crossing the throttling of second throttling device 802, refrigerant becomes F from state point E, and process is isenthalpic throttling, and the enthalpy of refrigerant is constant,
Pressure reduction, while entropy increases, temperature reduces；The refrigerant for flowing through first throttling device 801 becomes state point K from state point J,
Its process is also isenthalpic throttling, and the enthalpy of refrigerant is constant, pressure reduction, while entropy increases, and temperature reduces, and improves compressor 3
The efficiency of second-compressed is carried out to mixed refrigerant；The refrigerant of third throttling set 803 is flowed to by state point G from flash evaporation 6
Becoming state point I, process is isenthalpic throttling, and the enthalpy of refrigerant is constant, pressure reduction, while entropy increases, and temperature reduces, from
And the cooling heat exchange after improving the First Heat Exchanger 1 that refrigerant enters the room machine, with indoor environment.
In one embodiment of the invention, air-conditioning is provided with evaporating pressure or condensation pressure for detecting First Heat Exchanger
The first sensor of power, the second sensor of the evaporating pressure for detecting the second heat exchanger or condensing pressure, for detecting the
The 3rd sensor of the outlet pressure of one throttling set, the 4th sensing of fluid pressure for detecting second throttling device
Device, and the 5th sensor of the pressure of inspiration(Pi) for detecting compressor and pressure at expulsion, can be according to detected correlation
Pressure parameter adjusts first throttling device 801, second throttling device 802 and third throttling set 803, so that air-conditioning is not influencing
In the case where indoor heat exchange efficiency, the cold medium flux for radiating to electrical control member is increased or decreased.
It should be understood that the invention is not limited to the process and structure that are described above and are shown in the accompanying drawings,
And various modifications and changes may be made without departing from the scope thereof.The scope of the present invention is only limited by the attached claims
System.
Claims (10)
1. a kind of control method of air-conditioning, which is characterized in that the air-conditioning includes the indoor unit with First Heat Exchanger, has the
The outdoor unit of two heat exchangers, electrical control member and compressor, the electrical control member are located in the outdoor unit, the First Heat Exchanger,
Two heat exchangers are connected with compressor by the first pipeline and the second pipeline, and for constituting refrigerant circulation circuit, the air-conditioning is also
Including cooling component, the cooling component has flash evaporation, first throttling device and the heat dissipation for radiating for the electrical control member
Device, wherein the inlet and liquid outlet in the liquid refrigerants portion of the flash evaporation are connected on first pipeline, and the liquid is cold
Matchmaker portion, which has, flows to first gas outlet in gaseous coolant portion for gaseous coolant, the radiator by cooling line respectively with institute
State the second gas outlet connection of the gas supplementing opening of compressor, the gaseous coolant portion of the flash evaporation, the first throttling device setting
On the cooling line between the compressor and the flash evaporation, the air-conditioning, which has, is set to second heat exchanger
Second throttling device on the first pipeline between the flash evaporation and it is set to the First Heat Exchanger and the shwoot
The third throttling set on the first pipeline between device, the air-conditioning are provided with the vapor pres- sure for detecting the First Heat Exchanger
Second sensing of the first sensor of power or condensing pressure, the evaporating pressure for detecting second heat exchanger or condensing pressure
Device, the 3rd sensor of outlet pressure for detecting the first throttling device, for detecting the second throttling device
Fluid pressure the 4th sensor, and the 5th sensing of the pressure of inspiration(Pi) for detecting the compressor and pressure at expulsion
Device；The control method includes:
Obtain the target fluid pressure and initial fluid pressure of second throttling device；
The flow aperture for adjusting the second throttling device and third throttling set makes the initial fluid pressure reach the mesh
Mark hydraulic coupling；
Obtain the target outlet pressure and initial outlet pressure of first throttling device, the target outlet pressure and it is described it is initial go out
Atmospheric pressure is the pressure for the refrigerant that the first throttling device inputs compressor；
The flow aperture for adjusting the first throttling device makes the initial outlet pressure reach the target outlet pressure.
2. control method according to claim 1, which is characterized in that the target for obtaining the second throttling device goes out
Hydraulic coupling, comprising:
Detect the evaporating pressure and condensing pressure of air-conditioning；
According to the evaporating pressure and the condensing pressure, the target fluid pressure is determined；
The calculation formula of the target fluid pressure are as follows:
Wherein, PTarget goes out liquidFor the target fluid pressure, PeFor the evaporating pressure, PcFor the condensing pressure.
3. control method according to claim 2, which is characterized in that by adjusting the second throttling device and third section
The flow aperture for flowing device, makes the initial fluid pressure reach the target fluid pressure, comprising:
When the initial fluid pressure is greater than the target fluid pressure, the second throttling device is controlled with the first aperture speed
Rate improves its flow aperture, and controls the third throttling set and reduce its flow aperture with the first aperture rate, until described
Initial fluid pressure reaches the target fluid pressure；
When the initial fluid pressure is less than the target fluid pressure, the second throttling device is controlled with the first aperture speed
Rate reduces its flow aperture, and controls the third throttling set and improve its flow aperture with the first aperture rate, until described
Initial fluid pressure reaches the target fluid pressure；
When the initial fluid pressure is equal to the target fluid pressure, the first throttling device, the second throttling dress are maintained
It sets constant with the flow aperture of third throttling set.
4. control method according to claim 1, which is characterized in that the target for obtaining the first throttling device goes out
Atmospheric pressure, comprising:
Detect the pressure of inspiration(Pi) and pressure at expulsion of compressor of air conditioner；
According to the pressure of inspiration(Pi) and the pressure at expulsion, the target outlet pressure of the first throttling device is determined；
The calculation formula of the target outlet pressure are as follows:
Wherein, PTarget outletFor the target outlet pressure, PsFor the pressure of inspiration(Pi), PtFor the pressure at expulsion.
5. control method according to claim 4, which is characterized in that the flow by adjusting the first throttling device is opened
Degree, so that the initial outlet pressure reaches the target outlet pressure, comprising:
When the initial outlet pressure is greater than the target outlet pressure, the first throttling device is controlled with the second aperture speed
Rate improves its flow aperture, until the initial outlet pressure reaches the target outlet pressure；
When the initial outlet pressure is less than the target outlet pressure, the first throttling device is controlled with the second aperture speed
Rate reduces its flow aperture, until the initial outlet pressure reaches the target outlet pressure；
When the initial outlet pressure is equal to the target outlet pressure, the flow aperture of the first throttling device is maintained not
Become.
6. a kind of control device of air-conditioning, which is characterized in that the air-conditioning includes the indoor unit with First Heat Exchanger, has the
The outdoor unit of two heat exchangers, electrical control member and compressor, the electrical control member are located in the outdoor unit, the First Heat Exchanger,
Two heat exchangers are connected with compressor by the first pipeline and the second pipeline, and for constituting refrigerant circulation circuit, the air-conditioning is also
Including cooling component, the cooling component has flash evaporation, first throttling device and the heat dissipation for radiating for the electrical control member
Device, wherein the inlet and liquid outlet in the liquid refrigerants portion of the flash evaporation are connected on first pipeline, and the liquid is cold
Matchmaker portion, which has, flows to first gas outlet in gaseous coolant portion for gaseous coolant, the radiator by cooling line respectively with institute
State the second gas outlet connection of the gas supplementing opening of compressor, the gaseous coolant portion of the flash evaporation, the first throttling device setting
On the cooling line between the compressor and the flash evaporation, the air-conditioning, which has, is set to second heat exchanger
Second throttling device on the first pipeline between the flash evaporation and it is set to the First Heat Exchanger and the shwoot
The third throttling set on the first pipeline between device, the air-conditioning are provided with the vapor pres- sure for detecting the First Heat Exchanger
Second sensing of the first sensor of power or condensing pressure, the evaporating pressure for detecting second heat exchanger or condensing pressure
Device, the 3rd sensor of outlet pressure for detecting the first throttling device, for detecting the second throttling device
Fluid pressure the 4th sensor, and the 5th sensing of the pressure of inspiration(Pi) for detecting the compressor and pressure at expulsion
Device；The control device includes:
Acquiring unit, for obtaining the target fluid pressure and initial fluid pressure of second throttling device；And obtain first segment
The target outlet pressure and initial outlet pressure of device are flowed, the target outlet pressure and initial outlet pressure are first throttle dress
Set the pressure of the refrigerant of input compressor；
Main control unit makes the initial liquid out for adjusting the flow aperture of the second throttling device and third throttling set
Pressure reaches the target fluid pressure；And
The flow aperture for adjusting the first throttling device makes the initial outlet pressure reach the target outlet pressure.
7. control method according to claim 6, which is characterized in that the acquiring unit is used for: obtaining air-conditioning and detected
Obtained evaporating pressure and condensing pressure；
According to the evaporating pressure and the condensing pressure, target fluid pressure is determined；
The calculation formula of the target fluid pressure are as follows:
Wherein, PTarget goes out liquidFor the target fluid pressure, PeFor the evaporating pressure, PcFor the condensing pressure.
8. control method according to claim 7, which is characterized in that the main control unit is used for:
When the initial fluid pressure is greater than the target fluid pressure, the second throttling device is controlled with the first aperture speed
Rate improves its flow aperture, and controls the third throttling set and reduce its flow aperture with the first aperture rate, until described
Initial fluid pressure reaches the target fluid pressure；And
When the initial fluid pressure is less than the target fluid pressure, the second throttling device is controlled with the first aperture speed
Rate reduces its flow aperture, and controls the third throttling set and improve its flow aperture with the first aperture rate, until described
Initial fluid pressure reaches the target fluid pressure；And
When the initial fluid pressure is equal to the target fluid pressure, the first throttling device, the second throttling dress are maintained
It sets constant with the flow aperture of third throttling set.
9. control method according to claim 6, which is characterized in that the acquiring unit is used for:
Obtain the pressure of inspiration(Pi) and pressure at expulsion of the compressor that air-conditioning detects；
According to the pressure of inspiration(Pi) and the pressure at expulsion, the target outlet pressure of the first throttling device is determined；
The calculation formula of the target outlet pressure are as follows:
Wherein, PTarget outletFor the target outlet pressure, PsFor the pressure of inspiration(Pi), PtFor the pressure at expulsion.
10. control method according to claim 9, which is characterized in that the main control unit is used for:
When the initial outlet pressure is greater than the target outlet pressure, the first throttling device is controlled with the second aperture speed
Rate improves its flow aperture, until the initial outlet pressure reaches the target outlet pressure；And
When the initial outlet pressure is less than the target outlet pressure, the first throttling device is controlled with the second aperture speed
Rate reduces its flow aperture, until the initial outlet pressure reaches the target outlet pressure；And
When the initial outlet pressure is equal to the target outlet pressure, the flow aperture of the first throttling device is maintained not
Become.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710064229.5A CN106801981B (en) | 2017-02-04 | 2017-02-04 | A kind of control method of air-conditioning, device and air-conditioning |
| PCT/CN2017/079518 WO2018141132A1 (en) | 2017-02-04 | 2017-04-06 | Air conditioner control method and device, and air conditioner |
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| CN201710064229.5A CN106801981B (en) | 2017-02-04 | 2017-02-04 | A kind of control method of air-conditioning, device and air-conditioning |
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| CN109654652B (en) * | 2018-11-17 | 2020-05-19 | 华中科技大学 | Air conditioner refrigeration/heat prediction method based on data mining technology |
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| JP2005147456A (en) * | 2003-11-13 | 2005-06-09 | Daikin Ind Ltd | Air conditioner |
| WO2013120375A1 (en) * | 2012-02-14 | 2013-08-22 | 国家节能环保制冷设备工程技术研究中心 | Method of controlling a heat pump system with two-stage enthalpy increase |
| CN104566839A (en) * | 2015-02-02 | 2015-04-29 | 珠海格力电器股份有限公司 | Control method for enhanced vapor injection of air conditioner system |
| EP3023712A1 (en) * | 2014-11-19 | 2016-05-25 | Danfoss A/S | A method for controlling a vapour compression system with a receiver |
| CN106196721A (en) * | 2016-07-04 | 2016-12-07 | 珠海格力电器股份有限公司 | A kind of spray enthalpy compressor air-conditioning system and control method thereof |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10325622A (en) * | 1997-03-26 | 1998-12-08 | Mitsubishi Electric Corp | Refrigerating cycle device |
| JP2001241780A (en) * | 2000-03-01 | 2001-09-07 | Mitsubishi Electric Corp | Refrigerating air conditioner |
| JP2006343017A (en) * | 2005-06-08 | 2006-12-21 | Sanyo Electric Co Ltd | Freezer |
| CN105546861B (en) * | 2016-01-22 | 2023-11-14 | 珠海格力电器股份有限公司 | heat pump system |
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2017
- 2017-02-04 CN CN201710064229.5A patent/CN106801981B/en active Active
- 2017-04-06 WO PCT/CN2017/079518 patent/WO2018141132A1/en active Application Filing
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005147456A (en) * | 2003-11-13 | 2005-06-09 | Daikin Ind Ltd | Air conditioner |
| WO2013120375A1 (en) * | 2012-02-14 | 2013-08-22 | 国家节能环保制冷设备工程技术研究中心 | Method of controlling a heat pump system with two-stage enthalpy increase |
| EP3023712A1 (en) * | 2014-11-19 | 2016-05-25 | Danfoss A/S | A method for controlling a vapour compression system with a receiver |
| CN104566839A (en) * | 2015-02-02 | 2015-04-29 | 珠海格力电器股份有限公司 | Control method for enhanced vapor injection of air conditioner system |
| CN106196721A (en) * | 2016-07-04 | 2016-12-07 | 珠海格力电器股份有限公司 | A kind of spray enthalpy compressor air-conditioning system and control method thereof |
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| WO2018141132A1 (en) | 2018-08-09 |
| CN106801981A (en) | 2017-06-06 |
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