CN106871345A - Defrosting system and air-conditioner are not shut down - Google Patents
Defrosting system and air-conditioner are not shut down Download PDFInfo
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- CN106871345A CN106871345A CN201710065365.6A CN201710065365A CN106871345A CN 106871345 A CN106871345 A CN 106871345A CN 201710065365 A CN201710065365 A CN 201710065365A CN 106871345 A CN106871345 A CN 106871345A
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- heat exchanger
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- way valve
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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
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/41—Defrosting; Preventing freezing
- F24F11/42—Defrosting; Preventing freezing of outdoor units
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Signal Processing (AREA)
- Air Conditioning Control Device (AREA)
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
Defrosting system and air-conditioner are not shut down the invention provides one kind.Wherein, one kind does not shut down defrosting system, including：Compressor, the first four-way valve, the second four-way valve, the first triple valve, the second triple valve, the first outdoor heat exchanger, the second outdoor heat exchanger, indoor heat exchanger, first throttle device, second throttling device.By technical scheme, outdoor heat exchanger is made up of two parts, the flow direction of refrigerant is controlled by a four-way valve and a triple valve respectively, after outdoor heat exchanger frosting, by way of to the two outdoor heat exchangers in turn defrost, compressor is realized not shut down, indoor set continuously heating, it is greatly enhanced air-conditioning heating operational efficiency, so as to lift the comfortableness of air-conditioning heating, it is prevented effectively from the problem for the major electrical equipment part frequent start-stop such as compressor occur simultaneously, accelerate defrost speed, so as to reach the effect of saving energy consumption, advantageously reduce the fault rate of the major electrical equipment part such as compressor, lifting Consumer's Experience.
Description
Technical field
The present invention relates to air-conditioning technical field, defrosting system is not shut down in particular to one kind, further relate to a kind of air-conditioning
Device.
Background technology
At present, the Defrost mode that heat pump (air-conditioning) system is generally used for：Compressor shutdown, then four-way valve commutation, then
Start compressor defrosting.Its specific defrosting process is：--- stop compressor --- four-way valve commutation --- into defrosting mode
--- --- four-way valve commutation --- starts compressor and heats --- anti-cold wind --- end to stop compressor to start compressor defrosting
Defrosting bring influence, normally heat.This Defrost mode has the following disadvantages：
One, a defrosting cycle need start and stop compressor 2 times, start high energy consumption, big to power network impact, and frequent start-stop can be carried
The fault rate of high compressor.
Secondly, the commutation of start/stop of compressor, four-way valve about need 5 minutes, whole defrosting process about need 12 minutes with
On, severe condition is such as run into, defrosting time can be longer, and interior is no heating capacity output during defrosting, this
The heating effect of heat pump can be had a strong impact on, heating capacity is reduced, the comfortableness of air-conditioning is reduced.
Therefore, how one kind is provided and does not shut down defrosting system, as technical problem urgently to be resolved hurrily at present.
The content of the invention
It is contemplated that at least solving one of technical problem present in prior art or correlation technique.
Therefore, not shutting down defrosting system it is an object of the present invention to propose one kind.
It is another object of the present invention to propose a kind of air-conditioner.
In view of this, the present invention proposes one kind and does not shut down defrosting system, and for air-conditioner, this does not shut down defrosting system bag
Include：Compressor, the first four-way valve, the second four-way valve, the first triple valve, the second triple valve, the first outdoor heat exchanger, the second outdoor
Heat exchanger, indoor heat exchanger, first throttle device, second throttling device, wherein, the exhaust outlet of compressor is connected to the first four-way
The D interface of the D interface of valve and the second four-way valve；The C interface of the first four-way valve is connected to the first outdoor heat exchanger, the first four-way valve
E interface be connected to the first interface of the first triple valve, the S interfaces of the first four-way valve are connected to the air entry of compressor；Second
The C interface of four-way valve is connected to the second outdoor heat exchanger, and the E interface of the second four-way valve is connected to the first of the second triple valve and connects
Mouthful, the S interfaces of the second four-way valve are connected to the air entry of compressor；The second interface of the first triple valve is connected to the second four-way valve
E interface, the 3rd interface of the first triple valve is connected to indoor heat exchanger；The second interface of the second triple valve is connected to the one or four
The E interface of port valve, the 3rd interface of the second triple valve is connected to indoor heat exchanger；First outdoor heat exchanger is connected to first throttle
Device；Second outdoor heat exchanger is connected to second throttling device；First throttle device and second throttling device are connected to interior and change
Hot device.
Of the invention not shut down defrosting system, its outdoor heat exchanger is by the first outdoor heat exchanger and the second outdoor heat exchange
Device two parts are constituted, and each part controls the flow direction of refrigerant by a four-way valve and a triple valve respectively, so that system
The mode of operation of the flow direction matching air-conditioner of cryogen.After outdoor heat exchanger frosting, by the first outdoor heat exchanger and second
Outdoor heat exchanger carries out the mode of defrost in turn, realize compressor do not shut down, the purpose of indoor set continuously heating, greatly carry
Air-conditioning heating operational efficiency high, so that the comfortableness of air-conditioning heating is lifted, while be prevented effectively from there is the main electricity such as compressor
The problem of device frequent start-stop, accelerates defrost speed, so as to reach the effect of saving energy consumption, advantageously reduces compressor etc. main
Want the fault rate of electrical part, and then improve the reliability of the major electrical equipment parts such as compressor, lift Consumer's Experience.
In addition, not shutting down defrosting system according to the present invention is above-mentioned, there can also be following additional technical characteristic：
In the above-mentioned technical solutions, it is preferable that first throttle device and second throttling device include following at least any one
Or its combination：Electric expansion valve, heating power expansion valve, capillary, valve element.
In the technical scheme, the refrigerant in pipeline is saved by first throttle device and second throttling device
High-temperature high-pressure refrigerant, can be changed into low-temperature low-pressure refrigerant, and the effectively flow of regulation refrigerant while throttling by stream,
Control the degree of superheat of refrigerant, so as to be conducive to it is quick, be reasonably distributed refrigerant, system stabilization, energy saving is improved empty
Device operating efficiency is adjusted, the use reliability of air-conditioner is lifted.
It should be appreciated by those skilled in the art that first throttle device and second throttling device include but is not limited to it is following at least
Any one or its combination：Electric expansion valve, heating power expansion valve, capillary, valve element.
In any of the above-described technical scheme, it is preferable that air-conditioner is heat pump air conditioner.
In the technical scheme, it should be appreciated by those skilled in the art that air-conditioner is heat pump air conditioner but not limited to this.
In any of the above-described technical scheme, it is preferable that do not shut down the mode of operation of defrosting system including following at least any
：Refrigeration mode, heating mode, do not shut down defrost pattern.
In the technical scheme, two outdoor heat exchangers are carried out respectively by using two four-way valves and two triple valves
Control, realizes the refrigeration of air-conditioner, heats, do not stop the functions such as compressor defrosting, meet under varying environment user to air conditioner refrigerating,
The demand of comfortableness is heated, and air-conditioning heating operational efficiency is drastically increased by not shutting down defrost pattern, so as to be lifted
The comfortableness of air-conditioning heating, while avoiding the occurrence of the problem of the major electrical equipment part frequent start-stop such as compressor again, accelerates defrost speed
Degree, so as to reach the effect of saving energy consumption, advantageously reduces the fault rate of the major electrical equipment part such as compressor, so as to effectively improve pressure
The reliability of the major electrical equipment part such as contracting machine, lifts Consumer's Experience.
In any of the above-described technical scheme, it is preferable that not shutting down defrost pattern includes：Heat and First Heat Exchanger defrost,
Heat and the second heat exchanger defrosting.
In the technical scheme, by heat and First Heat Exchanger defrost and heat and the second heat exchanger defrosting each other in turn
The mode of defrost, realize compressor do not shut down, the purpose of indoor set continuously heating, drastically increase air-conditioning heating operation effect
Rate, so that the comfortableness of air-conditioning heating is lifted, while the problem for the major electrical equipment part frequent start-stop such as compressor occur is prevented effectively from,
Defrost speed is accelerated, so as to reach the effect of saving energy consumption, the fault rate of the major electrical equipment part such as compressor is advantageously reduced, from
And the reliability of the major electrical equipment part such as compressor is effectively improved, lift Consumer's Experience.
In any of the above-described technical scheme, it is preferable that heated and during First Heat Exchanger defrost when air-conditioner is in, by first
Triple valve is transferred to the state turned on the E interface of the second four-way valve, and the second triple valve is transferred to and is turned on the E interface of the second four-way valve
State.
In the technical scheme, compressor air-discharging divides the refrigerant into two parts, after being discharged via high-pressure air pipe, first
Point the second four-way valve is first passed through, then get in heat exchanger respectively through the first triple valve and the second triple valve and carry out condensation and put
Heat, is condensed into after liquid refrigerant hydraulic fluid pipe in entering；Part II enters by the first four-way valve into the first outdoor heat exchanger
Row defrost, is condensed into after liquid refrigerant hydraulic fluid pipe in entering by first throttle device；Then, two parts refrigerant is in middle pressure
Liquid pipe converge after by second throttling device throttle, enter back into the second outdoor heat exchanger evaporation, eventually pass the second four-way valve and
Low pressure gas pipe returns to compressor air suction mouthful, completes a kind of refrigeration cycle.So, it is achieved that in the defrosting of the first outdoor heat exchanger
Meanwhile, indoor set continues uninterrupted heat supply, and defrosting process greatly improves air-conditioning heating operational efficiency without stopping compressor, from
And the comfortableness of indoor heating is improved, while the problem for the major electrical equipment part frequent start-stop such as compressor occur is prevented effectively from, plus
Fast defrost speed, so as to reach the effect of saving energy consumption, advantageously reduces the fault rate of the major electrical equipment part such as compressor, so that
The reliability of the major electrical equipment part such as compressor is effectively improved, Consumer's Experience is lifted.
In any of the above-described technical scheme, it is preferable that heated and during the second heat exchanger defrosting when air-conditioner is in, by first
Triple valve is transferred to the state turned on the E interface of the first four-way valve, and the second triple valve is transferred to and is turned on the E interface of the first four-way valve
State.
In the technical scheme, compressor air-discharging divides the refrigerant into two parts, after being discharged via high-pressure air pipe, first
Point the first four-way valve is first passed through, then get in heat exchanger respectively through the first triple valve and the second triple valve and carry out condensation and put
Heat, is condensed into after liquid refrigerant hydraulic fluid pipe in entering；Part II enters by the second four-way valve into the second outdoor heat exchanger
Row defrosting, medium pressure liquid pipe is entered after being condensed into liquid refrigerant by second throttling device；Then, two parts refrigerant exists
Middle hydraulic fluid manifold throttles after closing by first throttle device, enters back into the evaporation of the first outdoor heat exchanger, eventually passes the first four-way
Valve and low pressure gas pipe return to compressor air suction mouthful, complete a kind of refrigeration cycle.So, it is achieved that and removed in the second outdoor heat exchanger
While white, indoor set continues uninterrupted heat supply, and defrosting process greatly improves air-conditioning heating operation effect without stopping compressor
Rate, so as to improve the comfortableness of indoor heating, while be prevented effectively from there is asking for the major electrical equipment part frequent start-stop such as compressor
Topic, accelerates defrost speed, so as to reach the effect of saving energy consumption, advantageously reduces the failure of the major electrical equipment part such as compressor
Rate, so as to effectively improve the reliability of the major electrical equipment part such as compressor, lifts Consumer's Experience.
In any of the above-described technical scheme, it is preferable that when air-conditioner is in refrigeration mode, the first triple valve is transferred to and
The state of the E interface conducting of the first four-way valve, the second triple valve is transferred to the state turned on the E interface of the second four-way valve.
In the technical scheme, compressor air-discharging, after being discharged via high-pressure air pipe, refrigerant is by the first four-way valve, the
The first outdoor heat exchanger and the second outdoor heat exchanger are respectively enterd after two four-way valves carries out condensation heat release, respectively through after condensation
One throttling arrangement, second throttling device throttling, enter back into indoor heat exchanger evaporation, then respectively through the first triple valve, second
Triple valve enters the E pipes of the first four-way valve, the second four-way valve, and finally the S respectively through the first four-way valve, the second four-way valve is managed back
To compressor air suction mouthful, a kind of refrigeration cycle is completed.Air-conditioner refrigerating operaton is realized, refrigerating operaton effect is effectively improved
Rate, saving energy consumption, so as to meet the demand of user's fast-refrigerating, lifts user satisfaction and experience.
In any of the above-described technical scheme, it is preferable that when air-conditioner is in heating mode, the first triple valve is transferred to and
The state of the E interface conducting of the first four-way valve, the second triple valve is transferred to the state turned on the E interface of the second four-way valve.
In the technical scheme, compressor air-discharging, after being discharged via high-pressure air pipe, refrigerant is respectively through the first four-way
Valve, the second four-way valve enter the first triple valve, the second triple valve, and condensation heat release, Ran Houfen are carried out subsequently into indoor heat exchanger
Do not throttled by first throttle device, second throttling device, then respectively enterd the first outdoor heat exchanger, the second outdoor heat exchange
Device evaporation endothermic, finally returns to compressor air suction mouthful respectively through the first four-way valve and the second four-way valve, and completion is once heated and followed
Ring.Air conditioner heat-production operation is realized, heating operation efficiency is effectively improved, saving energy consumption is quick so as to meet user
The demand for heating, lifts user satisfaction and experience.
The present invention also proposes not shut down defrosting system in a kind of air-conditioner, including any of the above-described technical scheme.By not
Defrosting system is shut down to realize the refrigeration of heat pump (air-conditioner) whole machine, heat, do not stop the functions such as compressor defrosting, by compressor not
Shutdown, the Defrost mode of indoor set continuously heating, drastically increase air-conditioning heating operational efficiency, so as to lift air-conditioning heating
Comfortableness, while being prevented effectively from the problem for the major electrical equipment part frequent start-stop such as compressor occur, accelerate defrost speed so that
The effect of saving energy consumption is reached, the fault rate of the major electrical equipment part such as compressor is advantageously reduced, so as to effectively improve compressor etc.
The reliability of major electrical equipment part, lifts Consumer's Experience.
Additional aspect of the invention and advantage will become obvious in following description section, or by practice of the invention
Recognize.
Brief description of the drawings
Of the invention above-mentioned and/or additional aspect and advantage will become from description of the accompanying drawings below to embodiment is combined
Substantially and be readily appreciated that, wherein：
Fig. 1 shows that defrosting system of not shutting down according to an embodiment of the invention is being heated and First Heat Exchanger defrost
Schematic diagram under pattern；
Fig. 2 shows that defrosting system of not shutting down according to an embodiment of the invention is being heated and the second heat exchanger defrosting
Schematic diagram under pattern；
Fig. 3 shows and according to an embodiment of the invention does not shut down defrosting system schematic diagram in cooling mode；
Fig. 4 shows and according to an embodiment of the invention does not shut down defrosting system schematic diagram in a heating mode；
Fig. 5 shows the schematic block diagram of air-conditioner according to an embodiment of the invention.
Wherein, the corresponding relation in Fig. 1 to Fig. 4 between reference and component names is：
102 compressors, 104 first four-way valves, 106 second four-way valves, 108 first outdoor heat exchangers, 110 second outdoors are changed
Hot device, 112 first throttle devices, 114 second throttling devices, 116 indoor heat exchangers, 118 first triple valves, 120 second threeways
Valve, 122 high-pressure air pipes, 124 low pressure gas pipes, hydraulic fluid pipe in 126.
Specific embodiment
It is below in conjunction with the accompanying drawings and specific real in order to be more clearly understood that the above objects, features and advantages of the present invention
Mode is applied to be further described in detail the present invention.It should be noted that in the case where not conflicting, the implementation of the application
Feature in example and embodiment can be mutually combined.
Many details are elaborated in the following description in order to fully understand the present invention, but, the present invention may be used also
Implemented with being different from other modes described here using other, therefore, protection scope of the present invention is not by described below
Specific embodiment limitation.
Referring to Fig. 1 to Fig. 4 descriptions not shutting down defrosting system and not shutting down defrost according to some embodiments of the invention
System is being heated and First Heat Exchanger defrost, heated and flow under the second heat exchanger defrosting, refrigeration, heating mode is illustrated respectively
Figure.
The present invention proposes one kind and does not shut down defrosting system, and for air-conditioner, this does not shut down defrosting system includes：Compressor
102nd, the first four-way valve 104, the second four-way valve 106, the first triple valve 118, the second triple valve 120, the first outdoor heat exchanger
108th, the second outdoor heat exchanger 110, indoor heat exchanger 116, first throttle device 112, second throttling device 114, wherein, compression
The exhaust outlet of machine 102 is connected to the D interface of the first four-way valve 104 and the D interface of the second four-way valve 106；First four-way valve 104
C interface is connected to the first outdoor heat exchanger 108, and the E interface of the first four-way valve 104 is connected to the first interface of the first triple valve,
The S interfaces of the first four-way valve 104 are connected to the air entry of compressor；The C interface of the second four-way valve 106 is connected to the second outdoor and changes
Hot device 110, the E interface of the second four-way valve 106 is connected to the first interface of the second triple valve, and the S interfaces of the second four-way valve 106 connect
It is connected to the air entry of compressor；The second interface of the first triple valve is connected to the E interface of the second four-way valve 106, the first triple valve
The 3rd interface be connected to indoor heat exchanger；The second interface of the second triple valve is connected to the E interface of the first four-way valve 104, the
3rd interface of two triple valves is connected to indoor heat exchanger；First outdoor heat exchanger 108 is connected to first throttle device 112；The
Two outdoor heat exchangers 110 are connected to second throttling device 114；First throttle device 112 and second throttling device 114 are connected to room
Interior heat exchanger.
In this embodiment, its outdoor heat exchanger is by the first outdoor heat exchanger 108 and the two parts of the second outdoor heat exchanger 110
Composition, each part controls the flow direction of refrigerant by a four-way valve and a triple valve respectively, so that the stream of refrigerant
To the mode of operation of matching air-conditioner.After outdoor heat exchanger frosting, changed by the first outdoor heat exchanger 108 and the second outdoor
Hot device 110 carries out the mode of defrost in turn, realize compressor do not shut down, the purpose of indoor set continuously heating, be greatly enhanced
Air-conditioning heating operational efficiency, so that the comfortableness of air-conditioning heating is lifted, while be prevented effectively from there are the major electrical equipments such as compressor
The problem of part frequent start-stop, accelerates defrost speed, so as to reach the effect of saving energy consumption, advantageously reduces compressor etc. main
The fault rate of electrical part, so as to effectively improve the reliability of the major electrical equipment part such as compressor, lifts Consumer's Experience.
In the above embodiment, it is preferable that first throttle device 112 and second throttling device 114 are at least appointed including following
One or its combination：Electric expansion valve, heating power expansion valve, capillary, valve element.
In this embodiment, the refrigerant in pipeline is carried out by first throttle device 112 and second throttling device 114
Throttling, can fast and effeciently refrigerant decrease temperature and pressure, and throttling while effectively regulation refrigerant flow, control system
The cryogen degree of superheat, so as to be conducive to it is quick, be reasonably distributed refrigerant, make system stabilization, energy saving, improve air-conditioner work
Efficiency, lifts the use reliability of air-conditioner.
It should be appreciated by those skilled in the art that first throttle device 112 and second throttling device 114 include but is not limited to
Under at least any one or its combination：Electric expansion valve, heating power expansion valve, capillary, valve element.
In any of the above-described embodiment, it is preferable that air-conditioner is heat pump air conditioner.
In this embodiment, it should be appreciated by those skilled in the art that air-conditioner is heat pump air conditioner but not limited to this.
In any of the above-described embodiment, it is preferable that the mode of operation for not shutting down defrosting system includes following at least any one：
Refrigeration mode, heating mode, do not shut down defrost pattern.
In this embodiment, two outdoor heat exchangers are controlled respectively by using two four-way valves and two triple valves
System, realizes the refrigeration of air-conditioner, heats, do not stop the functions such as compressor defrosting, and user is to air conditioner refrigerating, system under meeting varying environment
The demand of thermal comfort, and air-conditioning heating operational efficiency is drastically increased by not shutting down defrost pattern, so as to lift sky
The comfortableness of heat is modulated, while avoiding the occurrence of the problem of the major electrical equipment part frequent start-stop such as compressor again, defrost speed is accelerated,
So as to reach the effect of saving energy consumption, the fault rate of the major electrical equipment part such as compressor is advantageously reduced, so as to effectively improve compression
The reliability of the major electrical equipment part such as machine, lifts Consumer's Experience.
In any of the above-described embodiment, it is preferable that not shutting down defrost pattern includes：Heat and the defrost of First Heat Exchanger 108,
Heat and the defrost of the second heat exchanger 110.
In this embodiment, by heat and the defrost of First Heat Exchanger 108 and heat and the defrost of the second heat exchanger 110 each other
The mode of defrost in turn, realize compressor do not shut down, the purpose of indoor set continuously heating, drastically increase air-conditioning heating fortune
Line efficiency, so that the comfortableness of air-conditioning heating is lifted, while be prevented effectively from there is the major electrical equipment part frequent start-stop such as compressor
Problem, accelerates defrost speed, so as to reach the effect of saving energy consumption, advantageously reduces the failure of the major electrical equipment part such as compressor
Rate, so as to effectively improve the reliability of the major electrical equipment part such as compressor, lifts Consumer's Experience.
As shown in figure 1, heated and during 108 defrost of First Heat Exchanger when air-conditioner is in, the first triple valve 118 is transferred to and
The state of the E interface conducting of the second four-way valve 106, the second triple valve 120 is transferred to and the E interface conducting of the second four-way valve 106
State.
In this embodiment, the exhaust of compressor 102 divides the refrigerant into two parts, after being discharged via high-pressure air pipe 122, the
A part first passes through the second four-way valve 106, then gets in and changes respectively through the first triple valve 118 and the second triple valve 120
Hot device 116 carries out condensation heat release, is condensed into after liquid refrigerant hydraulic fluid pipe 126 in entering；Part II is by the first four-way valve
104 carry out defrost into the first outdoor heat exchanger 108, are condensed into after liquid refrigerant in entering by first throttle device 112
Hydraulic fluid pipe 126；Then, two parts refrigerant throttles after middle hydraulic fluid pipe 126 converges by first throttle device 114, enters back into
Second outdoor heat exchanger 110 evaporates, and eventually passes the second four-way valve 106 and low pressure gas pipe 124 returns to the air entry of compressor 102,
Complete a kind of refrigeration cycle.So, it is achieved that while the first outdoor heat exchanger defrosts, indoor set continues uninterrupted confession
Heat, defrosting process greatly improves air-conditioning heating operational efficiency without stopping compressor, so as to improve the comfortable of indoor heating
Property, while being prevented effectively from the problem for the major electrical equipment part frequent start-stop such as compressor occur, defrost speed is accelerated, so as to reach section
The about effect of energy consumption, advantageously reduces the fault rate of the major electrical equipment part such as compressor, so as to effectively improve the main electricity such as compressor
The reliability of device, lifts Consumer's Experience.
As shown in Fig. 2 heated and during the second heat exchanger defrosting when air-conditioner is in, the first triple valve 118 is transferred to and the
The state of the E interface conducting of one four-way valve 104, the second triple valve 120 is transferred to the shape turned on the E interface of the first four-way valve 104
State.
In this embodiment, the exhaust of compressor 102 divides the refrigerant into two parts, after being discharged via high-pressure air pipe 122, the
A part first passes through the first four-way valve 104, then gets in and changes respectively through the first triple valve 118 and the second triple valve 120
Hot device 116 carries out condensation heat release, is condensed into after liquid refrigerant hydraulic fluid pipe 126 in entering；Part II is by the second four-way valve
106 are defrosted into the second outdoor heat exchanger 110, and institute is entered by first throttle device 114 after being condensed into liquid refrigerant
State middle hydraulic fluid pipe 126；Then, two parts refrigerant throttles after middle hydraulic fluid pipe 126 converges by first throttle device 112, then
Evaporated into the first outdoor heat exchanger 108, eventually pass the first four-way valve 104 and low pressure gas pipe 124 returns to the air-breathing of compressor 102
Mouthful, complete a kind of refrigeration cycle.So, it is achieved that indoor set continues uninterruptedly while the second outdoor heat exchanger defrosts
Heat supply, defrosting process greatly improves air-conditioning heating operational efficiency without stopping compressor, so as to improve the comfortable of indoor heating
Property, while being prevented effectively from the problem for the major electrical equipment part frequent start-stop such as compressor occur, defrost speed is accelerated, so as to reach section
The about effect of energy consumption, advantageously reduces the fault rate of the major electrical equipment part such as compressor, so as to effectively improve the main electricity such as compressor
The reliability of device, lifts Consumer's Experience.
As shown in figure 3, when air-conditioner is in refrigeration mode, the first triple valve 118 is transferred to and the first four-way valve 104
The state of E interface conducting, the second triple valve 120 is transferred to the state turned on the E interface of the second four-way valve 106.
In this embodiment, compressor 102 is vented, and after being discharged via high-pressure air pipe 122, refrigerant is by the first four-way valve
104th, the first outdoor heat exchanger 108 and the second outdoor heat exchanger 110 are respectively enterd after the second four-way valve 106 carries out condensation heat release,
Throttled respectively through first throttle device 112, second throttling device 114 after condensation, enter back into indoor heat exchanger 116 and evaporate, so
Enter the E pipes of the first four-way valve 104, the second four-way valve 106 respectively through the first triple valve 118, the second triple valve 120 afterwards, most
The S pipes respectively through the first four-way valve 104, the second four-way valve 106 return to the air entry of compressor 102 afterwards, complete once refrigeration and follow
Ring.Air-conditioner refrigerating operaton is realized, refrigerating operaton efficiency is effectively improved, saving energy consumption is quick so as to meet user
The demand of refrigeration, lifts user satisfaction and experience.
As shown in figure 4, when air-conditioner is in heating mode, the first triple valve 118 is transferred to and the first four-way valve 104
The state of E interface conducting, the second triple valve 120 is transferred to the state turned on the E interface of the second four-way valve 106.
In this embodiment, compressor 102 is vented, and after being discharged via high-pressure air pipe 122, refrigerant is respectively through the one or four
Port valve 104, the second four-way valve 106 enter the first triple valve 118, the second triple valve 120, are carried out subsequently into indoor heat exchanger cold
Solidifying heat release, is then throttled respectively through first throttle device 112, second throttling device 114, then respectively enters the first outdoor
Heat exchanger 108, the evaporation endothermic of the second outdoor heat exchanger 110, finally respectively through the first four-way valve 104 and the second four-way valve 106
The air entry of compressor 102 is returned to, completion once heats circulation.Air conditioner heat-production operation is realized, is effectively improved and is heated fortune
Line efficiency, saving energy consumption, so as to meet the quick demand for heating of user, lifts user satisfaction and experience.
As shown in figure 5, the schematic block diagram of air-conditioner according to an embodiment of the invention：Air-conditioner 500, including it is above-mentioned
Defrosting system 502 is not shut down in any embodiment.The system of heat pump (air-conditioner) whole machine is realized by not shutting down defrosting system 502
It is cold, heat, do not stop the functions such as compressor defrosting, do not shut down by compressor, the Defrost mode of indoor set continuously heating, greatly
Improve air-conditioning heating operational efficiency, so as to lift the comfortableness of air-conditioning heating, while being prevented effectively from, compressor etc. occur main
The problem of electrical part frequent start-stop is wanted, defrost speed is accelerated, so as to reach the effect of saving energy consumption, compressor is advantageously reduced
Deng the fault rate of major electrical equipment part, so as to effectively improve the reliability of the major electrical equipment part such as compressor, Consumer's Experience is lifted.
In the description of this specification, term " first ", " second " are only used for the purpose of description, and it is not intended that indicating
Or imply relative importance；Term " connection ", " installation ", " fixation " etc. all should be interpreted broadly, for example, " connection " can be solid
Calmly connect, or be detachably connected, or be integrally connected；Can be joined directly together, it is also possible to indirect by intermediary
It is connected.For the ordinary skill in the art, above-mentioned term tool in the present invention can as the case may be understood
Body implication.
In the description of this specification, the description of term " one embodiment " etc. means that combining the embodiment or example describes
Specific features, structure, material or feature be contained at least one embodiment of the invention or example.In this manual,
Schematic representation to above-mentioned term is not necessarily referring to identical embodiment or example.And, the specific features of description, knot
Structure, material or feature can in an appropriate manner be combined in one or more any embodiments or example.
The preferred embodiments of the present invention are the foregoing is only, is not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.It is all within the spirit and principles in the present invention, made any repair
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (10)
1. one kind does not shut down defrosting system, for air-conditioner, it is characterised in that the defrosting system of not shutting down includes：Compressor,
First four-way valve, the second four-way valve, the first triple valve, the second triple valve, the first outdoor heat exchanger, the second outdoor heat exchanger, room
Interior heat exchanger, first throttle device, second throttling device,
Wherein, the D of D interface and second four-way valve that the exhaust outlet of the compressor is connected to first four-way valve connects
Mouthful；The C interface of first four-way valve is connected to first outdoor heat exchanger, and the E interface of first four-way valve is connected to
The first interface of first triple valve, the S interfaces of first four-way valve are connected to the air entry of the compressor；Described
The C interface of two four-way valves is connected to second outdoor heat exchanger, and the E interface of second four-way valve is connected to the described 2nd 3
The first interface of port valve, the S interfaces of second four-way valve are connected to the air entry of the compressor；First triple valve
Second interface is connected to the E interface of second four-way valve, and the 3rd interface of first triple valve is connected to the interior and changes
Hot device；The second interface of second triple valve is connected to the E interface of first four-way valve, the 3rd of second triple valve the
Interface is connected to the indoor heat exchanger；First outdoor heat exchanger is connected to the first throttle device；The second Room
External heat exchanger is connected to the second throttling device；The first throttle device and second throttling device are connected to the interior and change
Hot device.
It is 2. according to claim 1 not shut down defrosting system, it is characterised in that
The first throttle device and the second throttling device include following at least any one or its combination：Electric expansion valve,
Heating power expansion valve, capillary, valve element.
It is 3. according to claim 2 not shut down defrosting system, it is characterised in that
The air-conditioner is heat pump air conditioner.
It is 4. according to any one of claim 1 to 3 not shut down defrosting system, it is characterised in that
The mode of operation for not shutting down defrosting system includes following at least any one：Refrigeration mode, not heating mode, shutdown
White pattern.
It is 5. according to claim 4 not shut down defrosting system, it is characterised in that
The defrost pattern of not shutting down includes：Heat and First Heat Exchanger defrost, heat and the second heat exchanger defrosting.
It is 6. according to claim 5 not shut down defrosting system, it is characterised in that
Heated and during First Heat Exchanger defrost when the air-conditioner is in, first triple valve is transferred to and second four-way
The state of the E interface conducting of valve, second triple valve is transferred to the state turned on the E interface of second four-way valve.
It is 7. according to claim 5 not shut down defrosting system, it is characterised in that
Heated and during the second heat exchanger defrosting when the air-conditioner is in, first triple valve is transferred to and first four-way
The state of the E interface conducting of valve, second triple valve is transferred to the state turned on the E interface of first four-way valve.
It is 8. according to claim 4 not shut down defrosting system, it is characterised in that
When the air-conditioner is in refrigeration mode, the first triple valve is transferred to the state turned on the E interface of the first four-way valve,
Second triple valve is transferred to the state turned on the E interface of the second four-way valve.
It is 9. according to claim 4 not shut down defrosting system, it is characterised in that
When the air-conditioner is in heating mode, the first triple valve is transferred to the state turned on the E interface of the first four-way valve,
Second triple valve is transferred to the state turned on the E interface of the second four-way valve.
10. a kind of air-conditioner, it is characterised in that including not shutting down defrosting system as claimed in any one of claims 1-9 wherein.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710065365.6A CN106871345B (en) | 2017-02-06 | 2017-02-06 | Do not shut down defrosting system and air conditioner |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710065365.6A CN106871345B (en) | 2017-02-06 | 2017-02-06 | Do not shut down defrosting system and air conditioner |
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| CN106871345A true CN106871345A (en) | 2017-06-20 |
| CN106871345B CN106871345B (en) | 2019-07-02 |
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| CN201710065365.6A Active CN106871345B (en) | 2017-02-06 | 2017-02-06 | Do not shut down defrosting system and air conditioner |
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| CN108895584A (en) * | 2018-07-19 | 2018-11-27 | 广东志高暖通设备股份有限公司 | A kind of multiple heat pump circulating device that not shutting down defrost and promote heating capacity |
| CN108954676A (en) * | 2018-07-17 | 2018-12-07 | 苏州韵之秋智能科技有限公司 | A kind of intelligent air condition does not shut down defrosting method |
| CN110940056A (en) * | 2019-10-28 | 2020-03-31 | 宁波奥克斯电气股份有限公司 | Air conditioner capable of defrosting without stopping machine and control method thereof |
| CN111023372A (en) * | 2019-12-31 | 2020-04-17 | 宁波奥克斯电气股份有限公司 | Heat pump system of air conditioner, air conditioner and defrosting control method of air conditioner |
| WO2020103571A1 (en) * | 2018-11-19 | 2020-05-28 | 青岛海尔空调电子有限公司 | Defrosting control method for air conditioner outdoor unit |
| CN111322784A (en) * | 2020-03-23 | 2020-06-23 | 珠海格力电器股份有限公司 | Air conditioning unit capable of continuously heating and control method thereof |
| CN112303955A (en) * | 2020-11-18 | 2021-02-02 | 珠海格力电器股份有限公司 | Heat pump system, control method and control device thereof, air conditioning equipment and storage medium |
| CN112984863A (en) * | 2021-03-11 | 2021-06-18 | 湖南雅立科技开发有限公司 | Heat pump defrosting method and system |
| CN114061030A (en) * | 2021-10-28 | 2022-02-18 | 青岛海尔空调器有限总公司 | Air conditioner defrosting control method and device and air conditioner |
| CN115127166A (en) * | 2022-08-31 | 2022-09-30 | 宁波奥克斯电气股份有限公司 | Air conditioner energy-saving system, control method thereof and air conditioner |
| CN115419965A (en) * | 2022-09-14 | 2022-12-02 | 珠海格力电器股份有限公司 | Air conditioner and control method and device thereof |
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| CN114061030A (en) * | 2021-10-28 | 2022-02-18 | 青岛海尔空调器有限总公司 | Air conditioner defrosting control method and device and air conditioner |
| CN115127166A (en) * | 2022-08-31 | 2022-09-30 | 宁波奥克斯电气股份有限公司 | Air conditioner energy-saving system, control method thereof and air conditioner |
| CN115127166B (en) * | 2022-08-31 | 2022-11-25 | 宁波奥克斯电气股份有限公司 | Air conditioner energy-saving system, control method thereof and air conditioner |
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