CN106801920A - A kind of recuperated cycle system and its control method, air-conditioning - Google Patents
A kind of recuperated cycle system and its control method, air-conditioning Download PDFInfo
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- CN106801920A CN106801920A CN201710087468.2A CN201710087468A CN106801920A CN 106801920 A CN106801920 A CN 106801920A CN 201710087468 A CN201710087468 A CN 201710087468A CN 106801920 A CN106801920 A CN 106801920A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0059—Indoor units, e.g. fan coil units characterised by heat exchangers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/14—Heat exchangers specially adapted for separate outdoor units
- F24F1/16—Arrangement or mounting thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—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
- F24F11/89—Arrangement or mounting of control or safety devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- 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
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/31—Expansion valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/37—Capillary tubes
-
- 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
- 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
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/027—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means
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- 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)
- Atmospheric Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Signal Processing (AREA)
- Air Conditioning Control Device (AREA)
Abstract
Embodiments of the invention provide a kind of recuperated cycle system and its control method, air-conditioning, are related to air-conditioning technical field, the recuperated cycle system for providing a kind of variable volume.The recuperated cycle system includes:Compressor, indoor heat exchanger, outdoor heat exchanger and throttle part；Indoor heat exchanger includes at least two first branches, and the first end of the first branch is provided with first switch unit, and the second end of the first branch is provided with second switch unit；First switch unit and second switch unit are used to control the on or off of the first branch；And/or；Outdoor heat exchanger includes at least two second branches, and the first end of the second branch is provided with the 3rd switch element, and the second end of the second branch is provided with the 4th switch element；3rd switch element and the 4th switch element are used to control the on or off of the second branch.Embodiments of the invention are used for the manufacture of air-conditioning.
Description
Technical field
The present invention relates to air-conditioning technical field, more particularly to a kind of recuperated cycle system and its control method, air-conditioning.
Background technology
Indoor environment directly affects the quality of life of people, and air-conditioning can effectively adjust the temperature and humidity of indoor environment,
Therefore, air-conditioning is widely adopted in indoor environment is adjusted.
Traditional air-conditioning system is by compressor, indoor heat exchanger, throttle part, outdoor heat exchanger, indoor fan and room
External fan composition.Compressor, indoor heat exchanger, throttle part and outdoor heat exchanger in air-conditioning system are interconnected
, refrigerant is in air-conditioning compressor, indoor heat exchanger, throttle part and outdoor heat exchanger in the air-conditioning system course of work
Circulation, so as to enter the regulation of trip temperature and/or humidity.Additionally, in order to improve be interior heat exchanger and outdoor heat exchanger heat exchange effect
Rate, includes multiple branches in usual indoor heat exchanger and outdoor heat exchanger, and multiple branch inbound ports and exit port are also phase
Intercommunicated, refrigerant flows into each branch from house steward by the inbound port of multiple branches in the air-conditioning system course of work, and
Exchanged heat when flowing through each branch, be then pooled in house steward by the exit port of multiple branches again.Under application scenes,
The demand that user's air-conditioning in need is operated with less power, for example：When temperature is not very hot, user needs to use
Air conditioner refrigerating, but require that air-conditioning is freezed with less power；But compressor, indoor heat exchanger, section in air-conditioning system
Stream unit and outdoor heat exchanger are interconnected, and are also mutual between multiple branches of indoor heat exchanger and outdoor heat exchanger
Connection, so the volume of air-conditioning system cannot change, the amount of the refrigerant in air-conditioning system cannot also be adjusted, i.e., cannot be by adjusting
Section air-conditioning system volume is operated with less power realizing air-conditioning, and then causes to be worked under such application scenarios of air-conditioning
When it is not only power-consuming, and influence Consumer's Experience.
The content of the invention
Embodiments of the invention provide a kind of recuperated cycle system and its control method, air-conditioning, for providing a kind of volume
Variable recuperated cycle system.
To reach above-mentioned purpose, embodiments of the invention are adopted the following technical scheme that：
A kind of first aspect, there is provided recuperated cycle system, including：Compressor, indoor heat exchanger, outdoor heat exchanger and section
Stream unit；
The indoor heat exchanger includes at least two first branches, and the first end of first branch is provided with first switch
Unit, the second end of first branch is provided with second switch unit；The first switch unit and the second switch list
Unit is used to control the on or off of first branch；
And/or；
The outdoor heat exchanger includes at least two second branches, and the first end of second branch is provided with the 3rd switch
Unit, the second end of second branch is provided with the 4th switch element；3rd switch element and the 4th switch are single
Unit is used to control the on or off of second branch.
Second aspect, there is provided a kind of control method of recuperated cycle system, for controlling the heat exchange described in first aspect to follow
Loop systems, methods described includes：
Determine the mode of operation of recuperated cycle system, the mode of operation of the recuperated cycle system includes heating module and system
Chill formula；
Obtain indoor environment temperature；
When the mode of operation of the recuperated cycle system is heating mode and the indoor environment temperature more than or equal to the
One preset value, or when the mode of operation of the recuperated cycle system is for refrigeration mode and the indoor environment temperature are less than or wait
When the second preset value, by the second end of the first switch unit of the first end of first branch and first branch
Second switch unit controls the first branch shut-off of the first predetermined number；And/or the of the first end for passing through second branch
4th switch element at the second end of three switch elements and second branch controls the second branch shut-off of the second predetermined number.
The third aspect, there is provided a kind of control method of recuperated cycle system, in the recuperated cycle described in first aspect
The first switch unit of system, second switch unit, the 3rd switch element and the 4th switch element are controlled when being triple valve
Recuperated cycle system described in first aspect；
Methods described includes：
When there is coolant leakage in any first branch, close the first end of first branch threeway valve breakdown and this
The triple valve at the second end of one branch；
When there is coolant leakage in any second branch, close the first end of second branch threeway valve breakdown and this
The triple valve at the second end of two branches.
Fourth aspect, there is provided a kind of control method of recuperated cycle system, in the recuperated cycle described in first aspect
The first switch unit and the 3rd switch element of system are two-port valve；Second switch unit and the 4th switch element are triple valve；
Or first switch unit and the 3rd switch element are triple valve；Second switch unit and the 4th switch element are two-port valve
When control first aspect described in recuperated cycle system；Methods described includes：
When coolant leakage occurs in any first branch, the two-port valve and triple valve at the first branch two ends are closed；
When coolant leakage occurs in any second branch, the two-port valve and triple valve at the second branch two ends are closed.
5th aspect, there is provided a kind of air-conditioning, including the recuperated cycle system described in first aspect.
Recuperated cycle system provided in an embodiment of the present invention, including：Compressor, indoor heat exchanger, outdoor heat exchanger and
Throttle part；Wherein, indoor heat exchanger includes at least two first branches, and the first end of the first branch is provided with first switch list
Unit, the second end of the first branch is provided with second switch unit；First switch unit and second switch unit are used to control first
The on or off of branch；And/or；Outdoor heat exchanger includes at least two second branches, and the first end of the second branch is provided with
3rd switch element, the second end of the second branch is provided with the 4th switch element；3rd switch element and the 4th switch element are used
In the on or off for controlling the second branch, therefore the embodiment of the present invention can be by first switch unit and second switch unit
Control the quantity of the first branch turned in indoor heat exchanger and/or by the 3rd switch element and the 4th switch element control room
The quantity of the first branch turned in interior heat exchanger, and then realize that the control of the volume of exchange heat circulating system, the i.e. present invention are real
Apply a kind of recuperated cycle system of the example there is provided variable volume.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is recuperated cycle system schematic diagram provided in an embodiment of the present invention；
Fig. 2 is another recuperated cycle system schematic diagram provided in an embodiment of the present invention；
The step of Fig. 3 is the control method of recuperated cycle system provided in an embodiment of the present invention flow chart.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Term "and/or" in embodiments of the present invention, a kind of only incidence relation for describing affiliated partner, expression can be with
In the presence of three kinds of relations, for example, A and/or B, can represent：Individualism A, while there is A and B, individualism B these three feelings
Condition.In addition, character "/" herein, typicallys represent forward-backward correlation pair as if a kind of relation of "or".If being not added with explanation, herein
In " multiple " refer to two or more.
It should be noted that the technical scheme for the ease of clearly describing the embodiment of the present invention, in embodiments of the invention
In, employ the printed words such as " first ", " second " and function and the essentially identical identical entry of effect or similar item are made a distinction, ability
Field technique personnel are appreciated that the printed words such as " first ", " second " are not to be defined to quantity and execution order.
Also, it should be noted that in the embodiment of the present invention, the word such as " exemplary " or " such as " for expression make example,
Illustration or explanation.It is described as any embodiment or design of " exemplary " or " such as " in the embodiment of the present invention not
More preferably or more advantage should be interpreted than other embodiments or design.Specifically, use " exemplary " or
The word such as " for example " is intended to that related notion is presented in a concrete fashion.Additionally, in the embodiment of the present invention, unless otherwise indicated, " multiple "
Implication refer to two or more.
Embodiments of the invention provide a kind of recuperated cycle, and shown in reference picture 1, the recuperated cycle system includes：Including：Pressure
Contracting machine 1, indoor heat exchanger 2, outdoor heat exchanger 3 and throttle part 4；
Indoor heat exchanger 2 includes that at least two first branches 21 (include 3 the first branches 21 in Fig. 1 with indoor heat exchanger 2
As a example by illustrate), the first end of the first branch 21 is provided with first switch unit 22, and the second end of the first branch 21 is provided with
Second switch unit 23；The first switch unit 22 and the second switch unit 23 are used to control first branch 21
On or off；
And/or；
The outdoor heat exchanger 3 includes that at least two second branches 31 (equally, include 3 in Fig. 1 with outdoor heat exchanger 3
Illustrated as a example by second branch 31), the first end of the second branch 31 is provided with the 3rd switch element 32, the of the second branch 31
Two ends are provided with the 4th switch element 33；3rd switch element 32 and the 4th switch element 33 are used to control leading for the second branch 31
Logical or shut-off.
That is, above-described embodiment includes following three kinds of technical schemes：
The first, indoor heat exchanger 2 include at least two first branches 21, the first end of the first branch 21 is provided with first
Switch element 22, the second end of the first branch 21 is provided with second switch unit 23.
Secondth, outdoor heat exchanger 3 includes at least two second branches 31, and the first end of the second branch 31 is provided with the 3rd
Switch element 32, the second end of the second branch 31 is provided with the 4th switch element 33.
The third, indoor heat exchanger 2 include at least two first branches 21, the first end of the first branch 21 is provided with first
Switch element 22, the second end of the first branch 21 is provided with second switch unit 23, and outdoor heat exchanger 3 includes at least two
Second branch 31, the first end of the second branch 31 is provided with the 3rd switch element 32, and the second end of the second branch 31 is provided with
Four switch elements 33.(recuperated cycle system as shown in Figure 1)
Additionally, the compressor 1 in above-described embodiment can be any one compressor of the prior art, throttle part 4 can
Think electric expansion valve, capillary etc., the structure in the embodiment of the present invention to compressor 1 and throttle part 4 is not limited.
The control principle of above-mentioned recuperated cycle system is：When needing the volume for exchanging heat circulating system to be adjusted, close
Close the first switch unit 22 and second switch unit 23 at one or more two ends of the first branch 21, then this one or more first
Refrigerant in branch 21 is no longer participate in the refrigerant circulation of recuperated cycle system, and then the volume of the recuperated cycle system realized contracts
It is small, the 3rd switch element 32 and the 4th switch element 33 at one or more two ends of the second branch 31 can also be similarly closed, then
Refrigerant in one or more second branches 31 is no longer participate in the refrigerant circulation of recuperated cycle system, therefore can equally realize
Recuperated cycle system smaller volume.
Recuperated cycle system provided in an embodiment of the present invention, including：Compressor, indoor heat exchanger, outdoor heat exchanger and
Throttle part；Wherein, indoor heat exchanger includes at least two first branches, and the first end of the first branch is provided with first switch list
Unit, the second end of the first branch is provided with second switch unit；First switch unit and second switch unit are used to control first
The on or off of branch；And/or；Outdoor heat exchanger includes at least two second branches, and the first end of the second branch is provided with
3rd switch element, the second end of the second branch is provided with the 4th switch element；3rd switch element and the 4th switch element are used
In the on or off for controlling the second branch, therefore the embodiment of the present invention can be by first switch unit and second switch unit
Control the quantity of the first branch turned in indoor heat exchanger and/or by the 3rd switch element and the 4th switch element control room
The quantity of the first branch turned in interior heat exchanger, and then realize that the control of the volume of exchange heat circulating system, the i.e. present invention are real
Apply a kind of recuperated cycle system of the example there is provided variable volume.
Optionally, in above-described embodiment first switch unit 22, second switch unit 23, the 3rd switch element 32 and
4th switch element 33 is two-port valve.
During the use of recuperated cycle system, when there is coolant leakage all the way in certain in multiple branches, it is impossible to straight
Capable maintenance is tapped into, and needs to control whole control system stalls first, then discharge the refrigerant in air-conditioning system, then to going out
The branch of existing coolant leakage repaired, therefore traditional air-conditioning system multiple branches of heat exchanger and outdoor heat exchanger indoors
When certain coolant leakage occurs all the way, maintenance is inconvenient.Regarding to the issue above, the embodiment of the present invention provides a kind of recuperated cycle system
System, the maintenance for simplifying recuperated cycle system.Specifically, first switch unit 22, second switch unit the 23, the 3rd switch are single
The switch element 33 of unit 32 and the 4th is triple valve.
Although comparing two-port valve, triple valve is relatively costly, by first switch unit 22, second switch unit the 23, the 3rd
The switch element 33 of switch element 32 and the 4th is triple valve, it is possible to use triple valve it is vacant go out port will close branch in
Refrigerant extract out, and then simplify the maintenance of recuperated cycle system.
Further, the embodiment of the present invention additionally provides one kind and takes into account production cost and letter on the basis of above-described embodiment
Change the recuperated cycle system of maintenance.Specifically, the switch element 32 of first switch unit 22 and the 3rd is two-port valve；Second switch list
The switch element 33 of unit 23 and the 4th is triple valve；
Or；
The switch element 32 of first switch unit 22 and the 3rd is triple valve；The switch element 33 of second switch unit 23 and the 4th
It is two-port valve.
That is, make the two ends of the first branch 21 and the second branch 31 that a two-port valve and a triple valve are respectively set, so exist
While simplifying the maintenance of recuperated cycle system, the production cost of recuperated cycle system is reduced.
Optionally, shown in reference picture 2, recuperated cycle system also includes：Indoor hot-swappable fans 5 and outdoor heat exchange fan 6；
Indoor hot-swappable fans 5 are used to provide heat exchange air-flow to indoor heat exchanger 2；
Outdoor heat exchange fan 6 is used to provide heat exchange air-flow to outdoor heat exchanger 3.
Yet another embodiment of the invention provides a kind of control method of recuperated cycle system, the controlling party of the recuperated cycle system
Method is used for the recuperated cycle system for controlling any of the above-described embodiment to provide.Shown in reference picture 3, the method includes：
S31, the mode of operation for determining recuperated cycle system.
Wherein, the mode of operation of recuperated cycle system includes refrigeration mode and heating mode.
S32, acquisition indoor environment temperature.
If the mode of operation of recuperated cycle system is refrigeration mode, if performing step S33, when the work of recuperated cycle system
Pattern is heating mode, then perform step S34.
S33, judge indoor environment temperature whether less than or equal to the first preset value.
S34, judge indoor environment temperature whether more than or equal to the second preset value.
If indoor environment temperature is less than or equal to the first preset value in step S33, step S35 and/or S36 are performed.
That is, when the mode of operation of recuperated cycle system is less than or equal to the first preset value for refrigeration mode and indoor environment temperature, hold
Row step S35 and/or S36.
If indoor environment temperature is more than or equal to the second preset value in step S34, step S35 and/or S36 are performed.
That is, when the mode of operation of recuperated cycle system is more than or equal to the second preset value for heating mode and indoor environment temperature, hold
Row step S35 and/or S36.
Wherein, the first preset temperature and the second preset temperature can rule of thumb be set, exemplary, can be by
One preset temperature is set to 20 DEG C, and the second preset temperature is set into 10 DEG C.In addition it is also possible to by the first preset temperature and second
Preset temperature is set to the temperature value that can be adjusted, can at any time according to demand to the first preset temperature during user's use
It is adjusted with the second preset temperature.
S35, the second switch list by the second end of the first switch unit and the first branch of the first end of the first branch
The first branch shut-off of unit's the first predetermined number of control.
4th switch element at the second end of the 3rd switch element and the second branch of the first end that S36 passes through the second branch
The second branch of the second predetermined number is controlled to turn off.
That is, refrigeration work pattern is in recuperated cycle system, but indoor environment temperature is when being not very hot, Ke Yitong
The second branch of second predetermined number of the first branch and/or shut-off of the first predetermined number of shut-off is crossed, so as to reduce recuperated cycle
The volume of system, reduces the electric power of recuperated cycle system；It is in recuperated cycle system and heats mode of operation, but indoor ring
When border temperature is not very cold, can be by turning off the first branch of the first predetermined number and/or turning off the second predetermined number
The second branch, so as to reduce the volume of recuperated cycle system, reduce the electric power of recuperated cycle system.
Additionally, the mapping table that can be changed commanders shown in temperature and table 1 with interior on the basis of above-described embodiment is obtained
Take the value of the first predetermined number and the second predetermined number.Exemplary, table 1 can be with as follows：
Table 1
Optionally, end is flowed into if the first end of the first branch is refrigerant, the second end of the first branch is refrigerant outflow end, then
Above-mentioned steps S35 can specifically include：
S351, the second switch unit at the second end of the first branch of the first predetermined number of closing.
The first switch unit of S352, the first end of corresponding first branch of closing.
Wherein, corresponding first branch refers to that second switch unit to the second end in step S351 is held in step S352
The first branch of shutoff operation is gone.
If the first end of the first branch is refrigerant outflow end, the second end of the first branch is refrigerant inflow end, then above-mentioned step
Rapid S35 can specifically include：
The first switch unit of S353, the first end of the first branch of the first predetermined number of closing.
S354, the second switch unit at the second end of corresponding first branch of closing.
That is, the switch element of the refrigerant outflow end of the first branch is first shut off in above-described embodiment, then turn off this
The refrigerant of one branch flows into the switch element at end, therefore can ensure that refrigerant is stored in the first branch of shut-off and is no longer participate in
The recuperated cycle of recuperated cycle system.
Similarly, end is flowed into if the first end of the second branch is refrigerant, the second end of the second branch is refrigerant outflow end, then walk
Rapid S36 includes：
S361, the 4th switch element at the second end of the second branch of the second predetermined number of closing.
3rd switch element of S362, the first end of corresponding second branch of closing.
The first end of the second branch is refrigerant outflow end, and the second end of the second branch is refrigerant inflow end, then step S36 bags
Include：
3rd switch element of S363, the first end of the second branch of the second predetermined number of closing.
S364, the 4th switch element at the second end of corresponding second branch of closing.
The switch element of the refrigerant outflow end of the second branch is first shut off in above-described embodiment, this second point is then turned off
The refrigerant on road flows into the switch element at end, therefore can ensure that refrigerant is stored in the second branch of shut-off and is no longer participate in heat exchange
The recuperated cycle of the circulatory system.
Yet another embodiment of the invention provides a kind of control method of recuperated cycle system, is followed for the heat exchange in first aspect
The first switch unit of loop systems, second switch unit, the 3rd switch element and the 4th switch element are triple valve time control
The recuperated cycle system of first aspect processed；The method includes：
When there is coolant leakage in any first branch, close the first end of first branch threeway valve breakdown and this
The triple valve at the second end of one branch；
When there is coolant leakage in any second branch, close the first end of second branch threeway valve breakdown and this
The triple valve at the second end of two branches.
Because the two ends of the first branch and the second branch are provided with triple valve, therefore in a certain first branch and second point
When there is coolant leakage in road, can be independent by the branch, then using triple valve it is vacant go out port by the branch
Refrigerant is extracted out, subsequently carries out mending-leakage of freezing to the branch.Because above-described embodiment is changed in circulatory system maintenance process in heat exchange
The branch that coolant leakage can be will appear from is independent, therefore without by whole recuperated cycle system-down in maintenance process, and not
Excluded with by the refrigerant in whole recuperated cycle system, therefore the maintenance of recuperated cycle system can be simplified.
The present invention provides a kind of control method of recuperated cycle system in an embodiment, is followed for the heat exchange in first aspect
The first switch unit and the 3rd switch element of loop systems are two-port valve；Second switch unit and the 4th switch element are threeway
Valve；Or first switch unit and the 3rd switch element are triple valve；Second switch unit and the 4th switch element are two-port valve
When control first aspect recuperated cycle system；Method includes：
When coolant leakage occurs in any first branch, the two-port valve and triple valve at the first branch two ends are closed；
When coolant leakage occurs in any second branch, the two-port valve and triple valve at the second branch two ends are closed.
The principle of the embodiment of the present invention is identical with the principle of the control method of the recuperated cycle system that above-described embodiment is provided,
Here is omitted.Difference, is that one end due to the first branch and the second branch of the invention is triple valve, and the other end
It is two-port valve, therefore recuperated cycle system cost can be reduced while the maintenance of simplified recuperated cycle system is taken into account.
Yet another embodiment of the invention provides a kind of air-conditioning, and the air-conditioning includes the recuperated cycle system that any of the above-described embodiment is provided
System.
Specifically, the air-conditioning in the embodiment of the present invention can be small-sized household air-conditioning or unitary air conditioner, i.e. one-to-one；Also
Can be that multi-online air-conditioning system, i.e., one drag many or many supports many.One-to-one refers to an outdoor unit and connects one by pipe arrangement
The air-conditioning system of indoor set；One drags and refers to an outdoor unit by pipe arrangement more than two (i.e. at least two) indoor sets of connection more
Air-conditioning system.No matter above-mentioned reality can be included for small-sized household air-conditioning, unitary air conditioner or multi-online air-conditioning system
The recuperated cycle system of example offer is provided.
The above, specific embodiment only of the invention, but protection scope of the present invention is not limited thereto, and it is any
Those familiar with the art the invention discloses technical scope in, the change or replacement that can be readily occurred in, all should
It is included within the scope of the present invention.Therefore, protection scope of the present invention should be defined by scope of the claims.
Claims (11)
1. a kind of recuperated cycle system, it is characterised in that including：Compressor, indoor heat exchanger, outdoor heat exchanger and restriction
Part；
The indoor heat exchanger includes at least two first branches, and the first end of first branch is provided with first switch list
Unit, the second end of first branch is provided with second switch unit；The first switch unit and the second switch unit
On or off for controlling first branch；
And/or；
The outdoor heat exchanger includes at least two second branches, and the first end of second branch is provided with the 3rd switch list
Unit, the second end of second branch is provided with the 4th switch element；3rd switch element and the 4th switch element
On or off for controlling second branch.
2. recuperated cycle system according to claim 1, it is characterised in that the first switch unit, described second open
Close unit, the 3rd switch element and the 4th switch element and be two-port valve.
3. recuperated cycle system according to claim 1, it is characterised in that the first switch unit, described second open
Close unit, the 3rd switch element and the 4th switch element and be triple valve.
4. recuperated cycle system according to claim 1, it is characterised in that the first switch unit and the described 3rd is opened
Pass unit is two-port valve；The second switch unit and the 4th switch element are triple valve；
Or；
The first switch unit and the 3rd switch element are triple valve；The second switch unit and the 4th switch
Unit is two-port valve.
5. the recuperated cycle system according to claim any one of 1-4, it is characterised in that the recuperated cycle system is also wrapped
Include：Indoor hot-swappable fans and outdoor heat exchange fan；
The indoor hot-swappable fans are used to provide heat exchange air-flow to the indoor heat exchanger；
The outdoor heat exchange fan is used to provide heat exchange air-flow to the outdoor heat exchanger.
6. a kind of control method of recuperated cycle system, it is characterised in that for controlling changing described in claim any one of 1-5
Heat circulating system, methods described includes：
Determine the mode of operation of recuperated cycle system, the mode of operation of the recuperated cycle system includes heating module and refrigeration mould
Formula；
Obtain indoor environment temperature；
When the mode of operation of the recuperated cycle system is that refrigeration mode and the indoor environment temperature are pre- less than or equal to first
If value, or when the mode of operation of the recuperated cycle system is heating mode and the indoor environment temperature more than or equal to the
During two preset values, by the second of the first switch unit of the first end of first branch and the second end of first branch
Switch element controls the first branch shut-off of the first predetermined number；
And/or；
The 4th switch by the second end of the 3rd switch element and second branch of the first end of second branch is single
The second branch shut-off of unit's the second predetermined number of control.
7. method according to claim 6, it is characterised in that when the first end of first branch flows into end for refrigerant,
When second end of first branch is refrigerant outflow end, the first switch unit of the first end by first branch
The first branch for controlling the first predetermined number with the second switch unit at the second end of first branch is turned off, including：Close
The second switch unit at the second end of first branch of the first predetermined number；Close the first of corresponding first branch
The first switch unit at end；
When the first end of first branch is refrigerant outflow end, when the second end of first branch is for refrigerant inflow end, institute
State the second switch unit by the first switch unit of the first end of first branch and the second end of first branch
The first branch of the first predetermined number is controlled to turn off, including：Close the first end of first branch of the first predetermined number
First switch unit；Close the second switch unit at the second end of corresponding first branch.
8. method according to claim 6, it is characterised in that
When the first end of second branch is refrigerant inflow end, when the second end of second branch is refrigerant outflow end, lead to
Cross the 4th switch element control at the 3rd switch element of the first end of second branch and the second end of second branch
The second branch shut-off of the second predetermined number, including：Close the 4th of the second end of second branch of the second predetermined number
Switch element；Close the 3rd switch element of the first end of corresponding second branch；
When the first end of second branch is refrigerant outflow end, when the second end of second branch is for refrigerant inflow end, lead to
Cross the 4th switch element control at the 3rd switch element of the first end of second branch and the second end of second branch
The second branch shut-off of the second predetermined number, including：Close the 3rd of the first end of second branch of the second predetermined number
Switch element；Close the 4th switch element at the second end of corresponding second branch.
9. a kind of control method of recuperated cycle system, it is characterised in that for controlling the recuperated cycle system described in claim 3
System, methods described includes：
When there is coolant leakage in any first branch, close first branch first end threeway valve breakdown and this first point
The triple valve at second end on road；
When there is coolant leakage in any second branch, close second branch first end threeway valve breakdown and this first point
The triple valve at second end on road.
10. a kind of control method of recuperated cycle system, it is characterised in that for controlling the recuperated cycle described in claim 4
System, methods described includes：
When coolant leakage occurs in any first branch, the two-port valve and triple valve at the first branch two ends are closed；
When coolant leakage occurs in any second branch, the two-port valve and triple valve at the second branch two ends are closed.
11. a kind of air-conditionings, it is characterised in that including the recuperated cycle system described in claim any one of 1-5.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710087468.2A CN106801920A (en) | 2017-02-17 | 2017-02-17 | A kind of recuperated cycle system and its control method, air-conditioning |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710087468.2A CN106801920A (en) | 2017-02-17 | 2017-02-17 | A kind of recuperated cycle system and its control method, air-conditioning |
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| CN106801920A true CN106801920A (en) | 2017-06-06 |
Family
ID=58988614
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| CN201710087468.2A Pending CN106801920A (en) | 2017-02-17 | 2017-02-17 | A kind of recuperated cycle system and its control method, air-conditioning |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110793149A (en) * | 2019-11-18 | 2020-02-14 | 珠海格力电器股份有限公司 | Air conditioning system and refrigerant quantity and water flow regulating method thereof |
| CN114484806A (en) * | 2022-03-01 | 2022-05-13 | 青岛海尔空调器有限总公司 | Control method and control system for air conditioner sterilization, electronic equipment and storage medium |
| CN114608136A (en) * | 2022-03-01 | 2022-06-10 | 青岛海尔空调器有限总公司 | Control method and control system for self-cleaning of air conditioner, electronic equipment and storage medium |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2303254Y (en) * | 1997-06-11 | 1999-01-06 | 海尔集团公司 | Condenser used for one driving multiple air conditioner |
| CN1232942A (en) * | 1998-04-20 | 1999-10-27 | 三星电子株式会社 | Multi-type air conditioner |
| JP2006170541A (en) * | 2004-12-16 | 2006-06-29 | Samsung Electronics Co Ltd | Air conditioner |
| CN101303179A (en) * | 2008-05-12 | 2008-11-12 | 泰豪科技股份有限公司 | Multiple-evaporator parallel type energy adjusting energy-saving air conditioner |
| CN203349586U (en) * | 2013-06-04 | 2013-12-18 | 苏州必信空调有限公司 | Air conditioning unit using flammable coolants |
| CN104374056A (en) * | 2013-08-16 | 2015-02-25 | 南京天加空调设备有限公司 | Refrigerant leakage protection control method for multi-split air conditioners |
| CN104838211A (en) * | 2012-12-28 | 2015-08-12 | 三菱电机株式会社 | Air conditioner |
| CN105423413A (en) * | 2014-09-22 | 2016-03-23 | 艾默生网络能源有限公司 | Refrigerating system of machine room |
-
2017
- 2017-02-17 CN CN201710087468.2A patent/CN106801920A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2303254Y (en) * | 1997-06-11 | 1999-01-06 | 海尔集团公司 | Condenser used for one driving multiple air conditioner |
| CN1232942A (en) * | 1998-04-20 | 1999-10-27 | 三星电子株式会社 | Multi-type air conditioner |
| JP2006170541A (en) * | 2004-12-16 | 2006-06-29 | Samsung Electronics Co Ltd | Air conditioner |
| CN101303179A (en) * | 2008-05-12 | 2008-11-12 | 泰豪科技股份有限公司 | Multiple-evaporator parallel type energy adjusting energy-saving air conditioner |
| CN104838211A (en) * | 2012-12-28 | 2015-08-12 | 三菱电机株式会社 | Air conditioner |
| CN203349586U (en) * | 2013-06-04 | 2013-12-18 | 苏州必信空调有限公司 | Air conditioning unit using flammable coolants |
| CN104374056A (en) * | 2013-08-16 | 2015-02-25 | 南京天加空调设备有限公司 | Refrigerant leakage protection control method for multi-split air conditioners |
| CN105423413A (en) * | 2014-09-22 | 2016-03-23 | 艾默生网络能源有限公司 | Refrigerating system of machine room |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110793149A (en) * | 2019-11-18 | 2020-02-14 | 珠海格力电器股份有限公司 | Air conditioning system and refrigerant quantity and water flow regulating method thereof |
| CN114484806A (en) * | 2022-03-01 | 2022-05-13 | 青岛海尔空调器有限总公司 | Control method and control system for air conditioner sterilization, electronic equipment and storage medium |
| CN114608136A (en) * | 2022-03-01 | 2022-06-10 | 青岛海尔空调器有限总公司 | Control method and control system for self-cleaning of air conditioner, electronic equipment and storage medium |
| CN114484806B (en) * | 2022-03-01 | 2024-01-16 | 青岛海尔空调器有限总公司 | Control method, control system, electronic equipment and storage medium for air conditioner sterilization |
| CN114608136B (en) * | 2022-03-01 | 2024-01-16 | 青岛海尔空调器有限总公司 | Control method and control system for self-cleaning of air conditioner, electronic equipment and storage medium |
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| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 528303 No. 8, Rong Gang Road, Ronggui street, Shunde District, Foshan, Guangdong. Applicant after: Haixin Home Appliances Group Co., Ltd. Applicant after: Hisense (Guangdong) Air Conditioner Co., Ltd. Address before: 528303 No. 8, Rong Gang Road, Ronggui street, Shunde District, Foshan, Guangdong. Applicant before: Hisense Kelon Electrical Holdings Co., Ltd. Applicant before: Hisense (Guangdong) Air Conditioner Co., Ltd. |
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20170606 |