CN106766001B - 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
- Publication number
- CN106766001B CN106766001B CN201710064206.4A CN201710064206A CN106766001B CN 106766001 B CN106766001 B CN 106766001B CN 201710064206 A CN201710064206 A CN 201710064206A CN 106766001 B CN106766001 B CN 106766001B
- Authority
- CN
- China
- Prior art keywords
- temperature
- radiator
- air
- threshold value
- conditioning
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
-
- 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
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
-
- 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
-
- 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
- F25B49/022—Compressor control arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/65—Electronic processing for selecting an operating mode
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
- F24F2110/12—Temperature of the outside air
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Power Engineering (AREA)
- Analytical Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Atmospheric Sciences (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Signal Processing (AREA)
- Air Conditioning Control Device (AREA)
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: to obtain outdoor temperature threshold value, radiator temperature threshold value and tonifying Qi temperature condition；Obtain the outdoor temperature in space locating for air-conditioning；When outdoor temperature is not more than outdoor temperature threshold value, radiator temperature of the radiator in setting time length is obtained；When exothermic temperature is not more than radiator temperature threshold value, first throttling device is opened in control, and heat dissipation tolerance is made to reach refrigerant temperature condition.Control method of the invention is exchanged heat by control electric control element with the gaseous coolant for flowing through radiator, to realize that the heat exchange to electric control element cools down, the flow aperture of throttling set can also be adjusted according to preset tonifying Qi temperature simultaneously, to make the part refrigerant after heat exchange can satisfy the temperature requirement 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 excessively high situation of summer outdoor temperature, warp
The enthalpy of refrigerant after compressor compresses is not able to satisfy the enthalpy requirement of heat exchange, leads to the refrigerant and outdoor environment that flow into condenser
Heat exchange efficiency reduce, it is therefore desirable to compressor carry out Gas-supplying enthalpy-increasing operation；And existing Gas-supplying enthalpy-increasing is used room
Refrigerant after exchanging heat in outer machine condenser is directly filled with the mode in compressor, and refrigerant temperature tends not to reach optimal benefit
Gas increasing enthalpy temperature requirement.
Summary of the invention
The embodiment of the invention provides a kind of control method of air-conditioning, device and air-conditionings, it is intended to solve compressor of air conditioner enthalpy
It is worth insufficient problem.In order to which some aspects of the embodiment to disclosure have a basic understanding, it is shown below simple general
It includes.The summarized section is not extensive overview, nor to determine key/critical component or describe the protection of these embodiments
Range.Its sole purpose is that some concepts are presented with simple form, 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, control method includes: to obtain outdoor
Temperature threshold, radiator temperature threshold value and tonifying Qi temperature condition, wherein tonifying Qi temperature condition includes flow back to gas-liquid separator cold
Matchmaker's radiator temperature corresponding when meeting tonifying Qi temperature requirement；Obtain the outdoor temperature in space locating for air-conditioning；In outdoor temp
When degree is no more than outdoor temperature threshold value, radiator temperature of the radiator in setting time length is obtained；It is little in exothermic temperature
When radiator temperature threshold value, the flow aperture of first throttling device is adjusted, radiator temperature is made to reach refrigerant temperature condition.
Further, tonifying Qi temperature condition, comprising:
TRadiator=Tao+C,
Wherein, TRadiatorFor radiator temperature, Tao is outdoor temperature, and C is temperature adjustment parameter, and value range is 3~6 DEG C.
Further, tonifying Qi temperature condition further includes flowing back to the refrigerant of gas-liquid separator to meet tonifying Qi temperature requirement when institute
The delivery temperature of corresponding compressor；Control method further include: obtain the delivery temperature of compressor；According to delivery temperature and exhaust
Temperature threshold adjusts the flow aperture of first throttling device, and delivery temperature is made to meet tonifying Qi temperature condition.
Further, control method further include: when outdoor temperature is greater than outdoor temperature threshold value, first throttle is opened in control
Device makes radiator temperature no more than radiator temperature threshold value；Or when radiator temperature is greater than radiator temperature threshold value, control
System opens first throttling device, makes radiator temperature no more than radiator temperature threshold value.
Further, control method further include: obtain real-time room temperature and target indoor temperature set by user；According to
The flow aperture of the temperature gap of real-time room temperature and target indoor temperature, first throttling device, determines second throttling device
With the flow aperture of third throttling set.
Further, the value range of outdoor temperature threshold value is 38 DEG C~48 DEG C, the value range of radiator temperature threshold value
It is 55 DEG C~65 DEG C.
According to the second aspect of the invention, a kind of control device of air-conditioning is additionally provided, control device includes: to obtain list
Member, for obtaining outdoor temperature threshold value, radiator temperature threshold value and tonifying Qi temperature condition, wherein tonifying Qi temperature condition includes stream
The refrigerant of the return-air liquid/gas separator radiator temperature corresponding when meeting tonifying Qi temperature requirement；And for obtaining the first sensing
The outdoor temperature in space locating for device institute air-conditioning；And radiator temperature of the second sensor institute's radiator in setting time length
Degree；Main control unit, for adjusting the flow aperture of first throttling device when exothermic temperature is not more than radiator temperature threshold value,
Radiator temperature is set to reach refrigerant temperature condition.
Further, acquiring unit is for obtaining tonifying Qi temperature condition, comprising:
TRadiator=Tao+C,
Wherein, TRadiatorFor radiator temperature, Tao is outdoor temperature, and C is temperature adjustment parameter, and value range is 3~6 DEG C.
Further, tonifying Qi temperature condition further includes flowing back to the refrigerant of gas-liquid separator to meet tonifying Qi temperature requirement when institute
The delivery temperature of corresponding compressor；Acquiring unit is also used to: obtaining the exhaust temperature for the compressor that the 4th sensor detects
Degree；Main control unit is used for: according to delivery temperature and delivery temperature threshold value, being adjusted the flow aperture of first throttling device, is made to be vented
Temperature meets tonifying Qi temperature condition.
Further, main control unit is also used to: when outdoor temperature is greater than outdoor temperature threshold value, first throttle is opened in control
Device makes radiator temperature no more than radiator temperature threshold value；Or when radiator temperature is greater than radiator temperature threshold value, control
System opens first throttling device, makes radiator temperature no more than radiator temperature threshold value.
Further, acquiring unit is also used to: obtaining 3rd sensor real-time room temperature detected and user's setting
Target indoor temperature；Main control unit is also used to: according to the temperature gap of real-time room temperature and target indoor temperature, first segment
The flow aperture for flowing device, determines the flow aperture of second throttling device and third throttling set.
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, compressor and gas-liquid separator, the gas outlet of gas-liquid separator and the air-breathing of compressor
Mouth is connected, and electrical control member is located outside in machine, and First Heat Exchanger, the second heat exchanger and compressor pass through the first pipeline and the second pipe
Road is connected, and for constituting refrigerant circulation circuit, air-conditioning further includes cooling component, and cooling component has flash evaporation, first throttle
Device and radiator for radiating for electrical control member, wherein flash evaporation is connected on the first pipeline, and radiator passes through cooling line
It is connected to respectively with the air inlet of gas-liquid separator, flash evaporation, first throttling device is arranged between gas-liquid separator and radiator
Cooling line on, air-conditioning have be set on the first pipeline between the second heat exchanger and flash evaporation second throttling device,
And it is set to the third throttling set on the first pipeline between First Heat Exchanger and flash evaporation, air-conditioning is provided with for detecting
The first sensor of outdoor temperature, the second sensor for detecting radiator temperature, the third for detecting room temperature pass
Sensor and the 4th sensor for detecting delivery temperature.
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 temperature requirement 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, control method includes:
S101, outdoor temperature threshold value, radiator temperature threshold value and tonifying Qi temperature condition are obtained, wherein the tonifying Qi temperature
Condition includes the refrigerant radiator temperature corresponding when meeting tonifying Qi temperature requirement for flowing back to gas-liquid separator.
It since electric control element is set in outdoor unit, is influenced by outdoor environment temperature and self-heating amount, the present invention
Set outdoor temperature threshold value is related to the temperature of electric control element trouble free service, and in embodiment, outdoor temperature threshold value value is
40 DEG C, i.e., using 40 DEG C as the temperature threshold for judging that whether electric control element can be safely operated；And the temperature of radiator temperature threshold value
It spends the selected upper limit then to be determined according to the safe working temperature of electric control element, so that the temperature of the radiator to exchange heat with electric control element
Degree is not more than the safe working temperature of electric control element, and then guarantees that electric control element own temperature is not more than its safe working temperature.
Refrigerant due to flowing through cooling line is to flow back to compressor to carry out Gas-supplying enthalpy-increasing, is adjusting first throttling device
While to control refrigerant tonifying Qi temperature, radiator temperature should be also set to reach tonifying Qi temperature condition, to avoid first throttling device
Radiator temperature caused by aperture is too small increases, influences the problem of cooling down to electric control element.
S102, the outdoor temperature for obtaining space locating for air-conditioning, in embodiment, outdoor temperature is by being set on outdoor unit
First sensor detect to obtain；
S103, when outdoor temperature is not more than outdoor temperature threshold value, obtain heat dissipation of the radiator in setting time length
Device temperature；
In embodiment, outdoor temperature is to detect to obtain by the second sensor being set on radiator, the time of setting
Length can according to actually detected it needs to be determined that, for example, 3 minutes, 5 minutes etc., become with reducing temperature transient change or short time
Interference effect caused by changing；
S104, the exothermic temperature be not more than radiator temperature threshold value when, adjust the flow aperture of first throttling device,
Radiator temperature is set to reach refrigerant temperature condition.
In embodiment, after first throttling device unlatching, refrigerant is flowed along cooling line, and is in automatically controlled member in radiator
Part exchanges heat, and so as to reduce the temperature of electric control element, the radiator temperature that second sensor detects is able to reflect
The actual temperature situation of electric control element, when radiator temperature is not more than radiator temperature threshold value, then the temperature of electric control element
It is within the temperature range of trouble free service.Meanwhile in above-mentioned steps S103, it is not more than outdoor temperature threshold value in outdoor temperature
When, the heat exchange amount of outdoor unit and outdoor environment influenced by outdoor temperature it is smaller, for the second heat exchanger for further increasing outdoor unit
With the heat exchange amount of external environment, the refrigerant for flowing through cooling line is delivered in compressor and carries out tonifying Qi by control method of the invention
Increasing enthalpy improves compressor to the compression ratio of refrigerant, the refrigerant in outdoor unit heat exchanger is made to can satisfy the temperature and enthalpy of heat exchange
Value demand enhances the heat exchange efficiency of outdoor unit heat exchanger and outdoor environment, improves the service performance of air conditioner.
In one embodiment of the invention, the step of control method further include:
When outdoor temperature is greater than outdoor temperature threshold value, the heat of outdoor environment can be conducted via outdoor unit to radiator and
At electric control element, lead to the raising of electric control element own temperature, it is therefore desirable to which first throttling device is opened in control, until radiator
Temperature is not more than radiator temperature threshold value.
For example, the cold medium flux for flowing through radiator can be increased, with reality by the flow aperture of height-regulating first throttling device
Now to the cooling and heat dissipation of electric control element；First throttle can also be determined according to the difference between outdoor temperature and outdoor temperature threshold value
The flow aperture of device, so that cold medium flux can satisfy the demand of heat dissipation coolant quantity.
In addition, also can control unlatching first throttling device when radiator temperature is greater than radiator temperature threshold value, increase
Radiator makes radiator temperature no more than radiator temperature threshold value the heat exchange amount of electric control element.
In some embodiments, the step of present invention acquisition tonifying Qi temperature condition includes: to determine tonifying Qi according to outdoor temperature
Temperature condition, tonifying Qi temperature condition are as follows:
TRadiator=Tao+C,
Wherein, TRadiatorFor radiator temperature, Tao is outdoor temperature, and C is temperature adjustment parameter, and value range is 3~6 DEG C.This hair
In bright tonifying Qi temperature condition, radiator temperature is higher than outdoor temperature, it is possible to reduce since radiator temperature is lower than outdoor temperature
The problem of caused spreader surface condensation；Meanwhile the radiator temperature is also under radiator temperature threshold value, Bu Huigan
Disturb the radiating and cooling of electric control element.
Optionally, tonifying Qi temperature condition further includes that flow back to the refrigerant of the gas-liquid separator institute when meeting tonifying Qi temperature requirement right
The delivery temperature for the compressor answered；In order to which the refrigerant temperature for making the delivery temperature of compressor can satisfy outdoor unit heat exchanger is wanted
It asks, the step of control method of the invention further include:
The delivery temperature for obtaining compressor, in embodiment, delivery temperature is by being set at exhaust outlet of compressor position
The 4th sensor detect to obtain；
According to delivery temperature and delivery temperature threshold value, the flow aperture of first throttling device is adjusted, delivery temperature is met
Tonifying Qi temperature condition.For example, the purpose of compressor Gas-supplying enthalpy-increasing is to reduce its delivery temperature, therefore delivery temperature threshold value of the present invention
For a temperature upper limit, when the delivery temperature of compressor is under the temperature upper limit, the temperature of refrigerant can satisfy room
The heat exchange demand of outer machine heat exchanger；Therefore the present invention adjusts the flow aperture of first throttling device, so that above-mentioned radiator temperature
Degree and delivery temperature are able to satisfy corresponding tonifying Qi temperature condition, to promote the operational efficiency of air-conditioning.
In one embodiment of the invention, control method further include:
Obtain real-time room temperature and target indoor temperature set by user；
In embodiment, real-time room temperature is that the 3rd sensor being set on indoor unit by facility air-conditioning detects to obtain；
Target indoor temperature is user's target indoor temperature set to air conditioner indoor unit operation by remote controler or display panel；
According to the temperature gap of real-time room temperature and target indoor temperature, the flow aperture of first throttling device, determine
The flow aperture of second throttling device and third throttling set.
In embodiment, the first pipeline as where can be considered with third throttling set first throttling device is connected in parallel,
Therefore, the cold medium flux for flowing through second throttling device be flow through first throttling device and third throttling set cold medium flux it
With, therefore can determine that needing to flow to indoor unit first exchanges heat by the temperature gap of real-time room temperature and target indoor temperature
The cold medium flux of device, this cold medium flux are adapted with the flow aperture of third throttling throttling set；Later, second throttling device
Cold medium flux can be added to obtain by the cold medium flux of first throttling device with the cold medium flux of third throttling set, and then according to
The cold medium flux of two throttling sets determines its flow aperture.
In one embodiment of the invention, the value range of outdoor temperature threshold value is 38 DEG C~48 DEG C, outdoor temperature threshold
The specific value of value can be predefined according to factors such as region, weather, seasons where air conditioner user.
In one embodiment of the invention, the value range of radiator temperature threshold value is 55 DEG C~65 DEG C, radiator temperature
The specific value for spending threshold value is then determined according to factors such as the type of electric control element, material and specified safe working temperatures.
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 carries out radiating and cooling control to the electric control element of air-conditioning, and control device includes:
Acquiring unit, for obtaining outdoor temperature threshold value, radiator temperature threshold value and tonifying Qi temperature condition, wherein tonifying Qi
Temperature condition includes the refrigerant radiator temperature corresponding when meeting tonifying Qi temperature requirement for flowing back to gas-liquid separator；And
For obtaining the outdoor temperature in space locating for first sensor air-conditioning detected；And second sensor is detected
Radiator temperature of the radiator in setting time length；
Main control unit, for adjusting the flow of first throttling device when exothermic temperature is not more than radiator temperature threshold value
Aperture makes radiator temperature reach refrigerant temperature condition.
In some embodiments, acquiring unit is for obtaining tonifying Qi temperature condition, comprising: according to outdoor temperature, determines and mends
Temperature degree condition, tonifying Qi temperature condition are as follows:
TRadiator=Tao+C,
Wherein, TRadiatorFor radiator temperature, Tao is outdoor temperature, and C is temperature adjustment parameter, and value range is 3~6 DEG C.
In some embodiments, tonifying Qi temperature condition further includes flowing back to the refrigerant of gas-liquid separator to want meeting tonifying Qi temperature
The delivery temperature of corresponding compressor when asking；Acquiring unit is also used to: obtaining the compressor that the 4th sensor detects
Delivery temperature；Main control unit is used for: according to delivery temperature and delivery temperature threshold value, the flow aperture of first throttling device is adjusted,
Delivery temperature is set to meet tonifying Qi temperature condition.
In some embodiments, main control unit is also used to: when outdoor temperature is greater than outdoor temperature threshold value, control opens the
One throttling set, until radiator temperature is not more than radiator temperature threshold value.
In some embodiments, acquiring unit is also used to: obtaining 3rd sensor real-time room temperature detected and use
The target indoor temperature of family setting；Main control unit is also used to: according to the temperature gap of real-time room temperature and target indoor temperature,
The flow aperture of first throttling device determines the flow aperture of second throttling device and third throttling set.
Air conditioner structure applied by control method and control device in above-described embodiment is as shown in figure 3, the air-conditioning system
Including indoor unit and outdoor unit, wherein indoor unit includes the First Heat Exchanger 1 to exchange heat with indoor environment, and outdoor unit includes
The second heat exchanger 2 for exchanging heat with outdoor environment, for providing the compressor 3 of circulation power, computer board, single-chip microcontroller for refrigerant
Etc. electrical control members be set in outdoor unit, First Heat Exchanger 1, the second heat exchanger 2 and compressor 3 pass through the first pipeline 4 and the second pipe
Road 5 is connected, for constituting conventional refrigerant circulation circuit, in embodiment, air-conditioning system in summer operation refrigeration mode, with
Refrigerant after outdoor environment heat exchange is flowed out out of second heat exchanger 2, flows into First Heat Exchanger 1 via the first pipeline 4, meanwhile,
It is flowed out with the refrigerant after indoor environment heat exchange from First Heat Exchanger 1, the second heat exchanger 2 is flowed into via the second pipeline 5, by this
Refrigerant circulation process, it can be achieved that air-conditioning system to the refrigeration cool-down function of indoor environment.Similarly, heating mode is run in winter
When, refrigerant flows between First Heat Exchanger 1 and the second heat exchanger 2 along the direction opposite with refrigeration mode.Air-conditioning system can be achieved
Heating heating function of the system to indoor environment.
In addition to above-mentioned conventional refrigerant circulation circuit, air-conditioning system of the invention further includes cooling tube group, for solving electricity
Temperature excessively high problem when control works.
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 → gas-liquid separator of → radiator, 10 → compressor 3, first throttling device 801 can according to need setting in flash evaporation 6 and pressure
On cooling line 9 between contracting machine 3.
It is mostly that the refrigerant in refrigerant pipeline is directly delivered to compressor 3 in the Gas-supplying enthalpy-increasing structure of conventional air conditioning system
In, during this, the parameters such as temperature and pressure of refrigerant do not have too big variation, and in air-conditioning system of the invention, stream
The temperature of gaseous coolant through radiator 7 increases, pressure increases, therefore reduces the subsequent compression efficiency to refrigerant of compressor 3, is
Solve the problems, such as this, in one embodiment of the invention, air-conditioning system further includes second throttling device 802 and third throttling dress
Set 803, wherein second throttling device 802 is set on the first pipeline 4 between the second heat exchanger 2 and flash evaporation 6, third section
Stream device 803 is set on the first pipeline 4 between First Heat Exchanger 1 and flash evaporation 6, compared to the air-conditioning of conventional Gas-supplying enthalpy-increasing
The advantages of structure, air-conditioning system setting second throttling device 802 and third throttling set 803, is: with operation of air conditioner refrigeration mould
For formula, liquid refrigerants is arranged before flowing into flash evaporation 6 by the second heat exchanger 2 of outdoor unit in the second heat exchanger 2 and shwoot
Second throttling device 802 between device 6 can one step ahead throttle to refrigerant, reduce the pressure of refrigerant, be convenient for flash evaporation 6 will
Liquid refrigerants is evaporated to gaseous coolant, simultaneously as the temperature of refrigerant is lower, so can also increase refrigerant at radiator 7
Heat exchange amount, in an embodiment of the present invention, by adjust first throttling device 801 and second throttling device 802 aperture, from
And flow of the adjustable refrigerant in cooling line 9, the refrigerant that compressor 3 is flowed to from first throttling device 801 can be made
Temperature and pressure, the temperature and pressure compared to the refrigerant for flowing to second throttling device 802 from the second heat exchanger 2 are 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, when to guarantee that air-conditioning system runs heating mode
Heating capacity, also need to execute compressor 3 Gas-supplying enthalpy-increasing operation, and in operation of air conditioner heating mode, refrigerant is in air-conditioning
Flow direction and refrigeration mode in pipeline is on the contrary, at this point, the third throttling set being arranged between First Heat Exchanger 1 and flash evaporation 6
803 can play throttling action of the second throttling device 802 under cooling condition, adjust the refrigerant for flowing into flash evaporation 6 one step ahead
The parameters such as temperature and pressure, and second throttling device 802 then plays the role of ending expansion valve, for adjusting from flash evaporation 6
The parameters such as outflow, the temperature and pressure of refrigerant of the second heat exchanger 2 for flowing into outdoor unit.It is cold under above two operating condition to realize
Matchmaker's adjustment process, second throttling device 802 of the present invention and third throttling set 803 are bidirectional throttling device.
The outdoor unit of air-conditioning system further includes the gas-liquid separator 10 for storing and conveying to compressor 3 refrigerant, compression
Machine 3 includes at least one stage of compression portion and secondary compressing portion, wherein one stage of compression portion is cold for being flowed into gas-liquid separator 10
Matchmaker carries out one stage of compression, and secondary compressing portion is used to carry out two-stage compression to refrigerant, and the refrigerant for exporting compressor 3 can satisfy room
Outer the second heat exchanger of machine 2 externally exchanges heat required temperature and pressure.
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 and gas-liquid separator being connected with second gas outlet in gaseous coolant portion
The outlet end that 10 air inlet 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 system 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 system is provided with the first sensor for detecting room temperature, can
To adjust the aperture of first throttling device 801 and second throttling device 802 according to detected room temperature, to meet to room
The coolant quantity demand that interior environment exchanges heat.
As shown in Figure 4 and Figure 5, in a chiller mode, refrigerant in the Air Conditioning Cycle flow process, enthalpy and
The change procedure of entropy are as follows: the refrigerant in gas-liquid separator in state point K flows into compressor 3 from air entry, via level-one pressure
Contracting portion and secondary compressing portion are the refrigerant in state point D by isentropic Compression, and are discharged from the exhaust outlet of compressor；Compressor 3
Refrigerant in state point D is inputted into the second heat exchanger 2, liquid point E is cooled to by outdoor environment；Refrigerant is along the second heat exchanger 2
Outlet enter the first pipeline 4, by 802 isenthalpic throttling of second throttling device to state point F, then flow into flash evaporation 6；From sudden strain of a muscle
The refrigerant for sending out the liquid outlet outflow in the liquid refrigerants portion of device 6 is in state point G, throttles through third stream device to state point I, enters
First Heat Exchanger 1 becomes state point J after carrying out heat absorption evaporation, and is discharged from the outlet of First Heat Exchanger, then passes through the second pipe
Road 5 is back to gas-liquid separator 10, and refrigerant is in state point A at this time；Meanwhile second from the gaseous coolant portion of flash evaporation 6 goes out
Port outflow gaseous coolant is in state point H, becomes state point C after flowing through parallel-flow heat exchanger and exchanging heat with electrical control member, it
Refrigerant, which carries out decompression cooling by first throttling device 801, afterwards becomes state point B, and mixes with the refrigerant flowed along the second pipeline 5
The refrigerant in state point K is formed after conjunction to flow into gas-liquid separator 10.
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 B from state point C,
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, absolutely empty tune is provided with first sensor for detecting outdoor temperature, is used for
Detect the second sensor of room temperature, the 3rd sensor for detecting radiator temperature and for detecting delivery temperature
4th sensor, can be according to detected associated temperature parameter regulation first throttling device 801, second throttling device 802
With third throttling set 803 so that air-conditioning in the case where not influencing indoor heat exchange efficiency, is increased or decreased for electrical control member
The cold medium flux of heat dissipation.
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 (12)
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, compressor and gas-liquid separator, the air-breathing of the gas outlet of the gas-liquid separator and the compressor
Mouth is connected, and electrical control member is equipped in the outdoor unit, and the First Heat Exchanger, the second heat exchanger and compressor pass through the first pipeline
It is connected with the second pipeline, for constituting refrigerant circulation circuit, the air-conditioning further includes cooling component, and the cooling component has
Flash evaporation, first throttling device and the radiator for radiating for the electrical control member, wherein the flash evaporation is connected to described
On one pipeline, the radiator is connected to the air inlet of the gas-liquid separator, the flash evaporation respectively by cooling line, institute
It states on the cooling line that first throttling device is arranged between the gas-liquid separator and the radiator, the air-conditioning tool
There is the second throttling device on the first pipeline being set between second heat exchanger and the flash evaporation and is set to institute
The third throttling set on the first pipeline between First Heat Exchanger and the flash evaporation is stated, the air-conditioning is provided with for detecting
The first sensor of outdoor temperature, the second sensor for detecting the radiator temperature, for detecting room temperature
Three sensors and the 4th sensor for detecting delivery temperature；
The control method includes:
Obtain outdoor temperature threshold value, radiator temperature threshold value and tonifying Qi temperature condition, wherein the tonifying Qi temperature condition includes stream
The refrigerant of the return-air liquid/gas separator radiator temperature corresponding when meeting tonifying Qi temperature requirement；
Obtain the outdoor temperature in space locating for the air-conditioning；
When the outdoor temperature is not more than outdoor temperature threshold value, radiator of the radiator in setting time length is obtained
Temperature；
When the radiator temperature is not more than radiator temperature threshold value, the flow aperture of the first throttling device is adjusted, is made
Radiator temperature reaches tonifying Qi temperature condition.
2. control method according to claim 1, which is characterized in that the tonifying Qi temperature condition, comprising:
TRadiator=Tao+C,
Wherein, the TRadiatorFor the radiator temperature, Tao is the outdoor temperature, and C is temperature adjustment parameter, value range is 3~
6℃。
3. control method according to claim 2, which is characterized in that
The tonifying Qi temperature condition further includes flowing back to the refrigerant institute corresponding when meeting tonifying Qi temperature requirement of gas-liquid separator
State the delivery temperature of compressor；
The control method further include:
Obtain the delivery temperature of the compressor；
According to the delivery temperature and delivery temperature threshold value, the flow aperture of first throttling device is adjusted, the delivery temperature is made
Meet the tonifying Qi temperature condition；Wherein, the delivery temperature threshold value is a temperature upper limit.
4. control method according to claim 1, which is characterized in that the control method further include:
When the outdoor temperature is greater than outdoor temperature threshold value, the first throttling device is opened in control, makes the radiator temperature
Degree is not more than the radiator temperature threshold value；Or
When the radiator temperature is greater than radiator temperature threshold value, the first throttling device is opened in control, makes the heat dissipation
Device temperature is not more than the radiator temperature threshold value.
5. control method according to claim 1, which is characterized in that the control method further include:
Obtain real-time room temperature and target indoor temperature set by user；
According to the temperature gap of the real-time room temperature and target indoor temperature, the flow aperture of the first throttling device,
Determine the flow aperture of the second throttling device and third throttling set.
6. control method according to claim 1, which is characterized in that the value range of the outdoor temperature threshold value is 38 DEG C
~48 DEG C, the value range of the radiator temperature threshold value is 55 DEG C~65 DEG C.
7. 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, compressor and gas-liquid separator, the air-breathing of the gas outlet of the gas-liquid separator and the compressor
Mouth is connected, and electrical control member is equipped in the outdoor unit, and the First Heat Exchanger, the second heat exchanger and compressor pass through the first pipeline
It is connected with the second pipeline, for constituting refrigerant circulation circuit, the air-conditioning further includes cooling component, and the cooling component has
Flash evaporation, first throttling device and the radiator for radiating for the electrical control member, wherein the flash evaporation is connected to described
On one pipeline, the radiator is connected to the air inlet of the gas-liquid separator, the flash evaporation respectively by cooling line, institute
It states on the cooling line that first throttling device is arranged between the gas-liquid separator and the radiator, the air-conditioning tool
There is the second throttling device on the first pipeline being set between second heat exchanger and the flash evaporation and is set to institute
The third throttling set on the first pipeline between First Heat Exchanger and the flash evaporation is stated, the air-conditioning is provided with for detecting
The first sensor of outdoor temperature, the second sensor for detecting the radiator temperature, for detecting room temperature
Three sensors and the 4th sensor for detecting delivery temperature；
The control device includes:
Acquiring unit, for obtaining outdoor temperature threshold value, radiator temperature threshold value and tonifying Qi temperature condition, wherein the tonifying Qi
Temperature condition includes the refrigerant radiator temperature corresponding when meeting tonifying Qi temperature requirement for flowing back to gas-liquid separator；And
For obtaining the outdoor temperature in space locating for the first sensor air-conditioning detected；And second sensor is detected
Radiator temperature of the radiator in setting time length；
Main control unit, for adjusting the first throttling device when the radiator temperature is not more than radiator temperature threshold value
Flow aperture, so that radiator temperature is reached tonifying Qi temperature condition.
8. control device according to claim 7, which is characterized in that the acquiring unit is for obtaining tonifying Qi temperature strip
Part, comprising:
TRadiator=Tao+C,
Wherein, the TRadiatorFor the radiator temperature, Tao is the outdoor temperature, and C is temperature adjustment parameter, value range is 3~
6℃。
9. control device according to claim 8, which is characterized in that
The tonifying Qi temperature condition further includes flowing back to the refrigerant institute corresponding when meeting tonifying Qi temperature requirement of gas-liquid separator
State the delivery temperature of compressor；
The acquiring unit is also used to: obtaining the delivery temperature for the compressor that the 4th sensor detects；
The main control unit is used for: according to the delivery temperature and delivery temperature threshold value, the flow for adjusting first throttling device is opened
Degree, makes the delivery temperature meet the tonifying Qi temperature condition；Wherein, the delivery temperature threshold value is a temperature upper limit.
10. control device according to claim 7, which is characterized in that
The main control unit is also used to: when the outdoor temperature is greater than outdoor temperature threshold value, the first throttle is opened in control
Device makes the radiator temperature no more than the radiator temperature threshold value；Or it is greater than radiator in the radiator temperature
When temperature threshold, the first throttling device is opened in control, makes the radiator temperature no more than the radiator temperature threshold value.
11. control device according to claim 7, which is characterized in that
The acquiring unit is also used to: obtaining the 3rd sensor real-time room temperature detected and target set by user
Room temperature；
The main control unit is also used to: according to the temperature gap of the real-time room temperature and target indoor temperature, described first
The flow aperture of throttling set determines the flow aperture of the second throttling device and third throttling set.
12. a kind of air-conditioning of application control method as described in any one of claim 1-6, which is characterized in that the air-conditioning packet
Include the indoor unit with First Heat Exchanger, the outdoor unit with the second heat exchanger, compressor and gas-liquid separator, the gas-liquid point
Be connected from the gas outlet of device with the air entry of the compressor, in the outdoor unit be equipped with electrical control member, the First Heat Exchanger,
Second heat exchanger is connected with compressor by the first pipeline and the second pipeline, for constituting refrigerant circulation circuit, the air-conditioning
It further include cooling component, the cooling component has flash evaporation, first throttling device and dissipates for what is radiated for the electrical control member
Hot device, wherein the flash evaporation is connected on first pipeline, the radiator by cooling line respectively with the gas-liquid
The air inlet of separator, flash evaporation connection, the first throttling device are arranged in the gas-liquid separator and the heat dissipation
On the cooling line between device, the air-conditioning has first be set between second heat exchanger and the flash evaporation
Second throttling device on pipeline and on the first pipeline being set between the First Heat Exchanger and the flash evaporation
Three throttling sets, the air-conditioning are provided with first sensor for detecting outdoor temperature, for detecting the radiator temperature
Second sensor, the 3rd sensor for detecting room temperature and the 4th sensor for detecting delivery temperature.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710064206.4A CN106766001B (en) | 2017-02-04 | 2017-02-04 | A kind of control method of air-conditioning, device and air-conditioning |
| PCT/CN2017/092933 WO2018141150A1 (en) | 2017-02-04 | 2017-07-14 | Control method and device for air conditioner, and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710064206.4A CN106766001B (en) | 2017-02-04 | 2017-02-04 | A kind of control method of air-conditioning, device and air-conditioning |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106766001A CN106766001A (en) | 2017-05-31 |
| CN106766001B true CN106766001B (en) | 2019-09-03 |
Family
ID=58955502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710064206.4A Active CN106766001B (en) | 2017-02-04 | 2017-02-04 | A kind of control method of air-conditioning, device and air-conditioning |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106766001B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018141150A1 (en) * | 2017-02-04 | 2018-08-09 | 海尔集团公司 | Control method and device for air conditioner, and air conditioner |
| CN107655152B (en) * | 2017-09-20 | 2020-05-22 | 珠海格力电器股份有限公司 | Air conditioning system and operation control method thereof |
| CN108954885A (en) * | 2018-09-25 | 2018-12-07 | 珠海格力电器股份有限公司 | Air conditioner, air conditioner heat pump system and control method thereof |
| CN111256205B (en) * | 2020-01-19 | 2021-08-24 | 珠海格力电器股份有限公司 | Air conditioner heat dissipation control system and method and air conditioning equipment |
| CN111237973B (en) * | 2020-01-19 | 2021-08-24 | 珠海格力电器股份有限公司 | Air conditioner heat dissipation control system and method and air conditioning equipment |
| CN114688710B (en) | 2020-12-31 | 2023-02-24 | 广东美的制冷设备有限公司 | Air conditioner, control method, and computer-readable storage medium |
| CN113091207B (en) * | 2021-05-10 | 2022-03-29 | 宁波奥克斯电气股份有限公司 | Air return port blockage judging method and device and air conditioner |
| CN114811892A (en) * | 2022-03-31 | 2022-07-29 | 青岛海尔空调器有限总公司 | Variable frequency air conditioner and control method and control device thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103471275A (en) * | 2013-08-30 | 2013-12-25 | 青岛海信日立空调***有限公司 | Enhanced vapor injection air-conditioning circulating system and control method thereof |
| CN203671769U (en) * | 2013-12-18 | 2014-06-25 | 广东美的制冷设备有限公司 | Cooling and heating type air conditioner and single cooling type air conditioner |
| CN104896785A (en) * | 2015-05-15 | 2015-09-09 | 广东美的暖通设备有限公司 | Enhanced vapor injection multi-online air conditioning system and control method thereof |
| CN204962968U (en) * | 2015-08-20 | 2016-01-13 | 广东美的制冷设备有限公司 | Changes in temperature type air conditioning system and single cold mould air conditioning system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2999932B2 (en) * | 1994-08-17 | 2000-01-17 | 三洋電機株式会社 | Operation method of refrigeration equipment |
| JP2008261513A (en) * | 2007-04-10 | 2008-10-30 | Denso Corp | Refrigerating cycle device |
-
2017
- 2017-02-04 CN CN201710064206.4A patent/CN106766001B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103471275A (en) * | 2013-08-30 | 2013-12-25 | 青岛海信日立空调***有限公司 | Enhanced vapor injection air-conditioning circulating system and control method thereof |
| CN203671769U (en) * | 2013-12-18 | 2014-06-25 | 广东美的制冷设备有限公司 | Cooling and heating type air conditioner and single cooling type air conditioner |
| CN104896785A (en) * | 2015-05-15 | 2015-09-09 | 广东美的暖通设备有限公司 | Enhanced vapor injection multi-online air conditioning system and control method thereof |
| CN204962968U (en) * | 2015-08-20 | 2016-01-13 | 广东美的制冷设备有限公司 | Changes in temperature type air conditioning system and single cold mould air conditioning system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106766001A (en) | 2017-05-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106766001B (en) | A kind of control method of air-conditioning, device and air-conditioning | |
| US8353173B2 (en) | Refrigerating cycle apparatus and operation control method therefor | |
| CN106679119B (en) | A kind of control method of air-conditioning, device and air-conditioning | |
| CN107228455B (en) | Air conditioner and control method | |
| CN206545975U (en) | A kind of air-conditioning system | |
| CN106871344B (en) | A kind of control method of air-conditioning, device and air-conditioning | |
| US8459051B2 (en) | Air conditioner and method of controlling the same | |
| CN106871343B (en) | A kind of control method of air-conditioning, device and air-conditioning | |
| JP5182358B2 (en) | Refrigeration equipment | |
| WO2013145006A1 (en) | Air conditioning device | |
| CN106595004A (en) | Control method and control device for air conditioner, and air conditioner | |
| CN107166664A (en) | A kind of air conditioner and control method | |
| CN106839310B (en) | A kind of control method of air-conditioning, device and air-conditioning | |
| CN102734885B (en) | Serial air conditioner and temperature regulating box all-in-one machine and operation control method thereof | |
| CN103673416A (en) | Control method for refrigerant flow quantity in automobile air conditioning system and automobile air conditioning system | |
| CN106766002B (en) | A kind of control method of air-conditioning, device and air-conditioning | |
| US20180031292A1 (en) | Condenser Pressure Control System and Method | |
| CN106016541A (en) | Natural cooling machine room air conditioner and supercooling degree control method thereof | |
| CN106440560A (en) | Air conditioning system with adjustable condensing area and control method thereof | |
| CN106882007A (en) | A kind of air-conditioning system, control device and its control method | |
| CN106839309B (en) | A kind of control method of air-conditioning, device and air-conditioning | |
| CN111006301A (en) | Carbon dioxide cascade heating system and control method thereof | |
| CN109341121A (en) | Refrigeration system and control method | |
| CN106839308B (en) | A kind of control method of air-conditioning, device and air-conditioning | |
| CN106801981B (en) | A kind of control method of air-conditioning, device and air-conditioning |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |