CN106766420A - Multiple on-line system and its control method for heating the anti-hydrops of interior machine - Google Patents
Multiple on-line system and its control method for heating the anti-hydrops of interior machine Download PDFInfo
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- CN106766420A CN106766420A CN201611077947.8A CN201611077947A CN106766420A CN 106766420 A CN106766420 A CN 106766420A CN 201611077947 A CN201611077947 A CN 201611077947A CN 106766420 A CN106766420 A CN 106766420A
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- interior machine
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2600/00—Control issues
- F25B2600/25—Control of valves
- F25B2600/2515—Flow valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/19—Pressures
- F25B2700/195—Pressures of the condenser
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/19—Pressures
- F25B2700/197—Pressures of the evaporator
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a kind of multiple on-line system and its control method for heating the anti-hydrops of interior machine, the multiple on-line system includes outdoor unit, multiple indoor sets and part flow arrangement, each indoor set includes indoor restricting element and indoor fan in multiple indoor sets, and be provided with part flow arrangement it is corresponding with each indoor set be connected heat vent diverter, the described method comprises the following steps：When any one in multiple indoor sets heat interior machine it is standby when, close and heat that interior machine is corresponding connected to heat vent diverter with this；After the Preset Time of time delay first, close the indoor restricting element for heating interior machine, thus effectively reduce heat interior machine it is standby when refrigerant soak, while can avoid carrying out the noise problem that discharge opeing causes using discharge opeing logic.
Description
Technical field
The present invention relates to air-conditioning technical field, the controlling party of the anti-hydrops of interior machine is heated in more particularly to a kind of multiple on-line system
Method and a kind of multiple on-line system.
Background technology
Recovery type heat multiple on-line system can simultaneously realize refrigeration and heat-production functions, under mixed mode, by heat from needs
The region that the zone-transfer of refrigeration is heated to needs, so as to reduce compressor work, it is to avoid energy waste, system has higher
Energy Efficiency Ratio, is one of important directions of current multi-connected machine development.
In multiple on-line system, outdoor unit, part flow arrangement and multiple indoor sets are generally included, the separation of gas-liquid refrigerant is main
It is to be realized in part flow arrangement, under mixed mode, gas-liquid two-phase is separated in the pressure pan of part flow arrangement, high-pressure gaseous refrigerant is led to
Cross and heat magnetic valve and condensed in interior machine is heated, and mix with supercooled liquid refrigerant and be supplied to machine in refrigeration.
In control process, to reach design temperature standby (heating interior machine standby) for the interior machine that heats generally in the system
When, interior machine gives different apertures by according to the pressure feedback of outer machine, to ensure that enough pressure differences carry out discharge opeing, and is heating
When interior machine is standby, its indoor fan is set and is closed, to reduce the refrigerant soak under interior machine small guide vane.However, for
For North America market, be keep airduct static pressure, it is often desirable that heat interior machine it is standby after can continue to air-supply, user can be by line traffic control
Device sets to the standby wind shelves for heating interior machine, heat interior machine it is standby when, if accumulated with hydrops coefficient decision heat exchanger
Liquid degree, operating logic using discharge opeing carries out discharge opeing, is likely to result in frequent discharge opeing and causes noise problem, the refrigerating/heating of operation
There is air-supply fluctuation in interior machine.
The content of the invention
It is contemplated that at least solving one of technical problem in correlation technique to a certain extent.Therefore, of the invention
One purpose is the control method that the anti-hydrops of interior machine is heated in proposing a kind of multiple on-line system, can effectively reduce and heat interior machine
Refrigerant soak when standby, while can avoid carrying out the noise problem that discharge opeing causes using discharge opeing logic.
It is another object of the present invention to propose a kind of multiple on-line system.
To achieve the above object, one aspect of the present invention embodiment heats the anti-hydrops of interior machine in proposing a kind of multiple on-line system
Control method, the multiple on-line system includes outdoor unit, multiple indoor set and part flow arrangement, in the multiple indoor set each
Indoor set includes being provided with and described each indoor set pair in indoor restricting element and indoor fan, and the part flow arrangement
What should be connected heats vent diverter, the described method comprises the following steps：In any one in the multiple indoor set is heated
When machine is standby, closes and heat that interior machine is corresponding connected to heat vent diverter with this；After the Preset Time of time delay first, close this and heat
The indoor restricting element of interior machine.
The control method of interior machine is heated in multiple on-line system according to embodiments of the present invention, when any in multiple indoor sets
One heat interior machine it is standby when, close with this heat interior machine it is corresponding it is connected heat vent diverter, and when time delay first is preset
Between after, close the indoor restricting element for heating interior machine, thus effectively reduce heat interior machine it is standby when refrigerant soak, while can
Avoid carrying out the noise problem that discharge opeing causes using discharge opeing logic.
According to one embodiment of present invention, when setting is heated interior machine is standby to close for indoor fan when, close the system
In hot after the indoor restricting element of machine, also control this heat the indoor fan of interior machine with the first preset gear operation second it is default when
Between after close.
According to one embodiment of present invention, when it is standby heat interior machine and run with heating mode again when, obtain described
The middle pressure pressure of part flow arrangement, and judge whether medium pressure pressure is more than the first preset pressure and continues the 3rd Preset Time；
If medium pressure pressure is more than first preset pressure and continues the 3rd Preset Time, this is first controlled to heat interior machine
Indoor restricting element open, and after the Preset Time of time delay the 4th, then control what this heated that interior machine correspondence is connected to heat shunting
Element is opened；Otherwise, first control this to heat the connected vent diverter that heats of interior machine correspondence to open, and in the Preset Time of time delay the 5th
Afterwards, then control this heat the indoor restricting element of interior machine open.
According to one embodiment of present invention, first preset pressure is corresponding according to the temperature for heating interior machine porch
Refrigerant saturation pressure and the corresponding refrigerant saturation pressure of indoor environment temperature are obtained.
According to one embodiment of present invention, the corresponding refrigerant saturation pressures of first preset pressure=Min (T1, T2A)
The preset value of power+the first, wherein, T1 is indoor environment temperature, and T2A is the temperature for heating interior machine porch.
To achieve the above object, a kind of multiple on-line system that another aspect of the present invention embodiment is proposed, including：Outdoor unit；
Multiple indoor sets, each indoor set includes indoor restricting element and indoor fan in the multiple indoor set；Part flow arrangement, institute
State be provided with part flow arrangement it is corresponding with described each indoor set be connected heat vent diverter；Control module, the control mould
Block be used for when any one in the multiple indoor set heat interior machine it is standby when, close with this heat interior machine it is corresponding be connected system
Thermal shunt element, and after the Preset Time of time delay first, close the indoor restricting element for heating interior machine.
Multiple on-line system according to embodiments of the present invention, when any one in multiple indoor sets heat interior machine it is standby when,
Control module close with this heat interior machine it is corresponding be connected heat vent diverter, and after the Preset Time of time delay first, closing this
Heat the indoor restricting element of interior machine, thus effectively reduce heat interior machine it is standby when refrigerant soak, while can avoid using row
Liquid logic carries out the noise problem that discharge opeing causes.
According to one embodiment of present invention, when setting is heated interior machine is standby to close for indoor fan when, the control mould
Block is also controlled this to heat the indoor fan of interior machine and is transported with the first preset gear after the indoor restricting element that this heats interior machine is closed
Closed after the Preset Time of row second.
According to one embodiment of present invention, when it is standby heat interior machine and run with heating mode again when, the control
Module also obtains the middle pressure pressure of the part flow arrangement, and judges whether medium pressure pressure is more than the first preset pressure and continues
3rd Preset Time, wherein, if medium pressure pressure is more than first preset pressure and continues the 3rd Preset Time,
The control module then first controls this to heat the unlatching of the indoor restricting element of interior machine, and after the Preset Time of time delay the 4th, then control
That makes this heats that interior machine correspondence is connected heats vent diverter unlatching；Otherwise, the control module first controls this to heat interior machine correspondence
Connected heats vent diverter unlatching, and after the Preset Time of time delay the 5th, then control this to heat the indoor restricting element of interior machine
Open.
According to one embodiment of present invention, first preset pressure is corresponding according to the temperature for heating interior machine porch
Refrigerant saturation pressure and the corresponding refrigerant saturation pressure of indoor environment temperature are obtained.
According to one embodiment of present invention, the corresponding refrigerant saturation pressures of first preset pressure=Min (T1, T2A)
The preset value of power+the first, wherein, T1 is indoor environment temperature, and T2A is the temperature for heating interior machine porch.
Brief description of the drawings
Fig. 1 is the structural representation of multiple on-line system according to an embodiment of the invention.
Fig. 2 is the flow chart of the control method that the anti-hydrops of interior machine is heated in multiple on-line system according to embodiments of the present invention.
Specific embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from start to finish
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
It is exemplary to scheme the embodiment of description, it is intended to for explaining the present invention, and be not considered as limiting the invention.
In the multiple on-line system for describing proposition according to embodiments of the present invention heat the anti-hydrops of interior machine with reference to the accompanying drawings
Control method and multiple on-line system.
Fig. 1 is the structural representation of multiple on-line system according to an embodiment of the invention.As shown in figure 1, the multi-connected machine
System may include：Outdoor unit 100, multiple indoor sets 200, part flow arrangement 300 and control module (not specifically illustrated in figure).
Wherein, each indoor set includes indoor restricting element and indoor fan, part flow arrangement in multiple indoor sets 200
Be provided with 300 it is corresponding with each indoor set be connected heat vent diverter.
Specifically, as shown in figure 1, multiple indoor set 200 may include the first indoor set 210, the second indoor set 220 and the
Three indoor sets 230, wherein, the first indoor set 210 includes first the 211, first indoor restricting element 212 and first of indoor heat exchanger
Indoor fan (not shown), the second indoor set 220 includes the and of restricting element 222 in the second indoor heat exchanger 221, second Room
Second indoor fan (not shown), the 3rd indoor set 230 includes the indoor restricting element of the 3rd indoor heat exchanger the 231, the 3rd
232 and the 3rd indoor fan (not shown).
Part flow arrangement 300 may include that pressure pan 301, First Heat Exchanger 302, first throttle component 303 (can be by sections in parallel
Fluid element 3031 and magnetic valve 3032 are constituted), the second heat exchanger 304, the second restricting element 305, by-passing valve 306, heat it is unidirectional
Valve 307a, 307b and 307c, refrigeration check valve 308a, 308b and 308c, heat vent diverter 309a, 309b and 309c, refrigeration
Vent diverter 310a, 310b and 310c.Wherein, the first end of pressure pan 301 is connected with one end of outdoor unit 100, pressure pan 301
The first entrance for exchanging heat stream of the second end and First Heat Exchanger 302 be connected, the first of First Heat Exchanger 302 exchanges heat stream
Outlet is connected by first throttle component 303 with the first entrance for exchanging heat stream of the second heat exchanger 304.Second heat exchanger 304
The first heat exchange stream outlet the second heat exchange stream for passing through the second restricting element 305 and the second heat exchanger 304 entrance phase
Even, the outlet of the second heat exchange stream of the second heat exchanger 304 is connected with the second entrance for exchanging heat stream of First Heat Exchanger 302,
The one end of the outlet of the second heat exchange stream of First Heat Exchanger 302 respectively with refrigeration vent diverter 310a, 310b and 310c is connected.
The outlet of the first heat exchange stream of the second heat exchanger 304 is also by by-passing valve 306 and the second heat exchange stream of First Heat Exchanger 302
Outlet be connected.Second heat exchanger 304 first heat exchange stream entrance also respectively with heat check valve 307a, 307b and 307c
One end be connected, the outlet of the first heat exchange stream of the second heat exchanger 304 also respectively with refrigeration check valve 308a, 308b and 308c
One end be connected, heat the other end of check valve 307a, 307b and 307c with the another of check valve 308a, 308b and 308c of freezing
It is corresponding with indoor restricting element 212,222 and 232 to be connected after end correspondence is connected.3rd end of pressure pan 301 respectively with heat point
Fluid element 309a, 309b are connected with 309c one end, heat vent diverter 309a, 309b and 309c other end with refrigeration vent diverter
It is corresponding with indoor heat exchanger 211,221 and 231 to be connected after 310a, 310b are connected with the other end of 310c.
Control module be used for when any one in multiple indoor sets heat interior machine it is standby when, closing heat interior machine pair with this
What should be connected heats vent diverter, and after the Preset Time of time delay first, closes the indoor restricting element for heating interior machine.Its
In, the first Preset Time can be demarcated according to actual conditions.
Further, according to one embodiment of present invention, when setting is heated interior machine is standby to close for indoor fan when, control
Molding block also controls this to heat the indoor fan of interior machine with the first default shelves after the indoor restricting element that this heats interior machine is closed
Closed after the second Preset Time of position operation.Wherein, the second Preset Time and the first preset gear can enter rower according to actual conditions
It is fixed, it is preferred that the first preset gear is low-grade location.
Specifically, as shown in Figure 1, it is assumed that the first indoor set 210 and the second indoor set 220 are to heat interior machine, the 3rd Room
Interior machine 230 is machine in refrigeration.When the first indoor set 210 reaches the temperature of user's setting, the first indoor set 210 enters standby shape
State, that is, it is standby to heat interior machine, and now, control module first closes that the first indoor set 210 is corresponding to heat vent diverter 309a.Due to
Vent diverter 309a is heated to be closed, thus high-temperature gas refrigerant from pressure pan 301 out does not enter back into the first Room
In interior machine 210, and in the presence of pressure differential, the refrigerant in the first indoor set 210 will be arranged from the first indoor heat exchanger 211
Go out, thus effectively reduce heat interior machine it is standby when refrigerant hydrops.
After the Preset Time of time delay first, control module closes the first indoor restricting element 212.In the first indoor restricting element
212 close after, if heat interior machine it is standby when setting indoor fan be closed, control module then controls the first indoor set
210 indoor fan is closed after turning low wind shelves the second Preset Time of operation.In interior machine standby is heated, user can pass through
Line control machine sets actually required wind shelves, and in interior machine standby is heated, is not accumulated further according to hydrops coefficient decision heat exchanger
Liquid degree, and operate logic using discharge opeing and carry out discharge opeing, thus it is possible to prevente effectively from the noise problem caused by frequent discharge opeing, together
When can avoid when user use line control machine set wind shelves operation when caused air-supply fluctuation problem.
Therefore, multiple on-line system according to embodiments of the present invention, when heating interior machine and being standby, by close with this heat it is interior
What machine correspondence was connected heats vent diverter, and after the Preset Time of time delay first, closes the indoor restricting element for heating interior machine,
And control this to heat the indoor fan of interior machine to be closed after the first preset gear the second Preset Time of operation such that it is able to effectively subtract
Heat less interior machine it is standby when refrigerant soak, while can avoid carrying out the noise problem that discharge opeing causes using discharge opeing logic.
According to one embodiment of present invention, when it is standby heat interior machine and run with heating mode again when, control module
Also obtain part flow arrangement 300 middle pressure pressure, and judge in pressure pressure whether more than the first preset pressure and continue the 3rd preset
Time, wherein, if middle pressure pressure is more than the first preset pressure and continues the 3rd Preset Time, control module then first controls the system
The indoor restricting element of machine is opened in hot, and after the Preset Time of time delay the 4th, then control this to heat the connected system of interior machine correspondence
Thermal shunt element is opened；Otherwise, control module first controls this to heat the vent diverter that heats that interior machine correspondence is connected to open, and is prolonging
When the 5th Preset Time after, then control this heat the indoor restricting element of interior machine open.
It should be noted that the middle pressure pressure of part flow arrangement 300 is the first heat exchange of the second heat exchanger 304 shown in Fig. 1
Pressure PS2 at flowing path outlet.
According to one embodiment of present invention, the first preset pressure can be corresponding cold according to the temperature for heating interior machine porch
Matchmaker's saturation pressure and the corresponding refrigerant saturation pressure of indoor environment temperature are obtained.Specifically, the first preset pressure=Min
(T1, T2A) corresponding preset value of refrigerant saturation pressure+the first, wherein, T1 is indoor environment temperature, and T2A is to heat interior machine entrance
The temperature at place, the first preset value can be demarcated according to actual conditions.
Specifically, still by taking the first indoor set 210 as an example.When the first indoor set 210 reaches the temperature of user's setting, the
One indoor set 210 enters holding state, and now, control module first closes that the first indoor set 210 is corresponding to heat vent diverter
309a, after the Preset Time of time delay first, turns off the first indoor restricting element 212, and control the indoor wind of the first indoor set 210
Machine is with shutdown after low wind shelves the second Preset Time of operation.
After a period of time, when temperature of the indoor temperature less than user's setting, the first indoor set 210 can again heat fortune
OK, now, control module can first obtain the temperature of the porch of current indoor environment temperature T1 and current first indoor set 210
T2A, and obtain the smaller value Min (T1, T2A) in both.It is assumed that the smaller value for obtaining is T1, then the corresponding refrigerants of T1 are obtained
Saturation pressure, as the first preset pressure after being then superimposed the first preset value on the refrigerant saturation pressure.Then, control module
Whether the middle pressure pressure of part flow arrangement 300 is judged more than the first preset pressure, if it does, control module then first opens the first Room
Interior restricting element 212 is balanced to carry out pressure to certain aperture (such as maximum opening), after the Preset Time of time delay the 4th, controls mould
Block is controlled to heat vent diverter 309a unlatchings again, and loud noise is produced so as to prevent valve body from switching by pressure equilibrium；Otherwise,
Need not be pressed, now control module can first be opened and heat vent diverter 309a, and after the Preset Time of time delay the 5th, control
First indoor restricting element 212 is opened.So as to effectively reduce heat interior machine again heating operation when, it is larger because existing before and after valve body
The problem for producing loud noise is switched over during pressure difference, while ensureing system reliability service.
It should be noted that in an embodiment of the present invention, when indoor set heating operation or heating standby, refrigeration shunting
Element is closed all the time.It can be magnetic valve to heat vent diverter, refrigeration vent diverter.
In sum, multiple on-line system according to embodiments of the present invention, when heating interior machine and being standby, control module close with
What this heated that interior machine correspondence is connected heats vent diverter, and after the Preset Time of time delay first, closes the interior for heating interior machine
Restricting element, and control this to heat the indoor fan of interior machine to be closed after the first preset gear the second Preset Time of operation.Also,
When it is standby heat interior machine and recover heating operation again when, if middle pressure pressure is excessive, first pressed, valve is then controlled again
Body switch so that can not only effectively reduce heat interior machine it is standby when refrigerant soak, it is to avoid carry out discharge opeing using discharge opeing logic
The noise problem for causing, and the noise problem that valve body switching is produced when can effectively reduce heating operation.
Fig. 2 is the flow chart of the control method that the anti-hydrops of interior machine is heated in multiple on-line system according to embodiments of the present invention.
In an embodiment of the present invention, multiple on-line system may include outdoor unit, multiple indoor sets and part flow arrangement, every in multiple indoor sets
Individual indoor set includes being provided be connected corresponding with each indoor set in indoor restricting element and indoor fan, and part flow arrangement
Heat vent diverter.
As shown in Fig. 2 the control method that the anti-hydrops of interior machine is heated in multiple on-line system may include following steps：
S1, when any one in multiple indoor sets heat interior machine it is standby when, close with this that to heat interior machine corresponding connected
Heat vent diverter.
S2, after the Preset Time of time delay first, closes the indoor restricting element for heating interior machine.
According to one embodiment of present invention, when setting is heated interior machine is standby to close for indoor fan when, close the system
In hot after the indoor restricting element of machine, also control this heat the indoor fan of interior machine with the first preset gear operation second it is default when
Between after close.
Specifically, as shown in Figure 1, it is assumed that, to heat interior machine, the 3rd indoor set is for the first indoor set and the second indoor set
Machine in refrigeration.When the first indoor set reaches the temperature of user's setting, the first indoor set enters holding state, that is, heat interior machine and treat
Machine, now, first closes that the first indoor set is corresponding to heat vent diverter.It is closed due to heating vent diverter, thus
In not entering back into the first indoor set from pressure pan high-temperature gas refrigerant out, and in the presence of pressure differential, first is indoor
Refrigerant in machine will be discharged from the first indoor heat exchanger, thus effectively reduce heat interior machine it is standby when refrigerant hydrops.
After the Preset Time of time delay first, the first indoor restricting element is closed.After the first indoor restricting element is closed, if
Heat interior machine it is standby when setting indoor fan be closed, then control the indoor fan of the first indoor set to turn the shelves operation of low wind
Closed after second Preset Time.In interior machine standby is heated, user can set actually required wind shelves by line control machine, and
And in interior machine standby is heated, not further according to hydrops coefficient decision heat exchanger hydrops degree, and logic is operated using discharge opeing
Carry out discharge opeing, thus it is possible to prevente effectively from the noise problem caused by frequent discharge opeing, while can avoid using line control machine as user
Caused air-supply fluctuation problem during setting wind shelves operation.
Therefore, the control method of the anti-hydrops of interior machine is heated in multiple on-line system according to embodiments of the present invention, in heating
When machine is standby, by close with this heat interior machine it is corresponding it is connected heat vent diverter, and after the Preset Time of time delay first, pass
Close this and heat the indoor restricting element of interior machine, and it is pre- with the operation second of the first preset gear to control this to heat the indoor fan of interior machine
If after the time close such that it is able to effectively reduce heat interior machine it is standby when refrigerant soak, while can avoid use discharge opeing logic
Carry out the noise problem that discharge opeing causes.
According to one embodiment of present invention, when it is standby heat interior machine and run with heating mode again when, obtain shunting
Whether pressure pressure is more than the first preset pressure and continues the 3rd Preset Time in the middle pressure pressure of device, and judgement；If middle pressure
Pressure is more than the first preset pressure and continues the 3rd Preset Time, then first control this to heat the indoor restricting element of interior machine and open,
And after the Preset Time of time delay the 4th, then control this to heat the vent diverter that heats that interior machine correspondence is connected to open；Otherwise, first control
This heats the connected vent diverter that heats of interior machine correspondence and opens, and after the Preset Time of time delay the 5th, then control this to heat interior machine
Indoor restricting element open.
Further, according to one embodiment of present invention, the first preset pressure is according to the temperature for heating interior machine porch
Corresponding refrigerant saturation pressure and the corresponding refrigerant saturation pressure of indoor environment temperature are obtained.Specifically, the first default pressure
The corresponding preset value of refrigerant saturation pressure+the first of power=Min (T1, T2A), wherein, T1 is indoor environment temperature, and T2A is to heat
The temperature of interior machine porch.
Specifically, still by taking the first indoor set as an example.When the first indoor set reaches the temperature of user's setting, first is indoor
Machine enters holding state, now, first closes that the first indoor set is corresponding to heat vent diverter, after the Preset Time of time delay first, then
The first indoor restricting element is closed, and controls the indoor fan of the first indoor set to stop after low wind shelves the second Preset Time of operation
Machine.
After a period of time, when temperature of the indoor temperature less than user's setting, the first indoor set can heating operation again, this
When, control module can first obtain the temperature T2A of the porch of current indoor environment temperature T1 and current first indoor set, and obtain
Smaller value Min (T1, T2A) in both.It is assumed that the smaller value for obtaining is T1, then the corresponding refrigerant saturation pressures of T1 are obtained, so
As the first preset pressure after being superimposed the first preset value on the refrigerant saturation pressure afterwards.Then, the middle pressure of part flow arrangement is judged
Whether pressure is more than the first preset pressure, if it is greater, then first opening the first indoor restricting element, to certain aperture, (such as maximum is opened
Degree), balanced to carry out pressure, after the Preset Time of time delay the 4th, control module controls to heat vent diverter unlatching again, so as to pass through
Pressure equilibrium come prevent valve body switch produce loud noise；Otherwise, without being pressed, now can first open and heat shunting unit
Part, and after the Preset Time of time delay the 5th, the indoor restricting element of control first is opened.Made again so as to effectively reduce and heat interior machine
During heat operation, because there is a problem of that generation loud noise is switched over during larger pressure difference before and after valve body, while ensureing system reliability
Operation.
The control method of the anti-hydrops of interior machine is heated in multiple on-line system according to embodiments of the present invention, interior machine is standby when heating
When, close with this heat interior machine it is corresponding it is connected heat vent diverter, and after the Preset Time of time delay first, close this heat it is interior
The indoor restricting element of machine, and control this to heat the indoor fan of interior machine to be closed after the first preset gear the second Preset Time of operation
Close.Also, when it is standby heat interior machine and recover heating operation again when, if middle pressure pressure is excessive, first pressed, then
Again application valve body switching so that can not only effectively reduce heat interior machine it is standby when refrigerant soak, it is to avoid use discharge opeing logic
Carry out the noise problem that discharge opeing causes, and the noise problem that valve body switching is produced when can effectively reduce heating operation.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", D score, "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outward ", " up time
The orientation or position relationship of the instruction such as pin ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " be based on orientation shown in the drawings or
Position relationship, is for only for ease of the description present invention and simplifies description, must rather than the device or element for indicating or imply meaning
With specific orientation, with specific azimuth configuration and operation, therefore must be not considered as limiting the invention.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include at least one this feature.In the description of the invention, " multiple " is meant that at least two, such as two, three
It is individual etc., unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integrally；Can be that machinery connects
Connect, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, can be in two elements
The connection in portion or two interaction relationships of element, unless otherwise clearly restriction.For one of ordinary skill in the art
For, can as the case may be understand above-mentioned term concrete meaning in the present invention.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be with
It is the first and second feature directly contacts, or the first and second features are by intermediary mediate contact.And, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature are directly over second feature or oblique upper, or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is immediately below second feature or obliquely downward, or is merely representative of fisrt feature level height less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means to combine specific features, structure, material or spy that the embodiment or example are described
Point is contained at least one embodiment of the invention or example.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.And, the specific features of description, structure, material or feature can be with office
Combined in an appropriate manner in one or more embodiments or example.Additionally, in the case of not conflicting, the skill of this area
Art personnel can be tied the feature of the different embodiments or example described in this specification and different embodiments or example
Close and combine.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changes, replacing and modification.
Claims (10)
1. the control method of the anti-hydrops of interior machine is heated in a kind of multiple on-line system, it is characterised in that the multiple on-line system includes
Outdoor unit, multiple indoor sets and part flow arrangement, each indoor set includes indoor restricting element and room in the multiple indoor set
Be provided with inner blower, and the part flow arrangement it is corresponding with described each indoor set be connected heat vent diverter, the side
Method is comprised the following steps：
When any one in the multiple indoor set heat interior machine it is standby when, close and heat that interior machine is corresponding connected to be heated with this
Vent diverter；
After the Preset Time of time delay first, the indoor restricting element for heating interior machine is closed.
2. the control method of interior machine is heated in multiple on-line system as claimed in claim 1, it is characterised in that in setting is heated
Machine it is standby for indoor fan close when, close this heat interior machine indoor restricting element after, also control this to heat the room of interior machine
Inner blower is closed after running the second Preset Time with the first preset gear.
3. the control method of interior machine is heated in multiple on-line system as claimed in claim 1 or 2, it is characterised in that when standby
When heating interior machine and being run with heating mode again,
The middle pressure pressure of the part flow arrangement is obtained, and judges whether medium pressure pressure more than the first preset pressure and continues the
Three Preset Times；
If medium pressure pressure is more than first preset pressure and continues the 3rd Preset Time, this is first controlled to heat
The indoor restricting element of interior machine is opened, and after the Preset Time of time delay the 4th, then interior machine correspondence is connected to be heated to control this to heat
Vent diverter is opened；
Otherwise, first control this to heat the connected vent diverter that heats of interior machine correspondence to open, and after the Preset Time of time delay the 5th, then
Control this to heat the indoor restricting element of interior machine to open.
4. the control method of interior machine is heated in multiple on-line system as claimed in claim 3, it is characterised in that described first presets
Pressure is according to the corresponding refrigerant saturation pressure of temperature and the corresponding refrigerant saturation pressure of indoor environment temperature for heating interior machine porch
Power is obtained.
5. the control method of interior machine is heated in multiple on-line system as claimed in claim 4, it is characterised in that described first presets
The corresponding preset value of refrigerant saturation pressure+the first of pressure=Min (T1, T2A), wherein, T1 is indoor environment temperature, and T2A is system
The temperature of machine porch in hot.
6. a kind of multiple on-line system, it is characterised in that including：
Outdoor unit；
Multiple indoor sets, each indoor set includes indoor restricting element and indoor fan in the multiple indoor set；
Part flow arrangement, be provided with the part flow arrangement it is corresponding with described each indoor set be connected heat vent diverter；
Control module, the control module be used for when any one in the multiple indoor set heat interior machine it is standby when, close
With this heat interior machine it is corresponding be connected heat vent diverter, and after the Preset Time of time delay first, close the room for heating interior machine
Interior restricting element.
7. multiple on-line system as claimed in claim 6, it is characterised in that when setting heats interior machine standby be that indoor fan is closed
When, the control module close this heat interior machine indoor restricting element after, also control this heat the indoor fan of interior machine with
First preset gear is closed after running the second Preset Time.
8. multiple on-line system as claimed in claims 6 or 7, it is characterised in that when standby heats interior machine again to heat mould
When formula is run, the control module also obtains the middle pressure pressure of the part flow arrangement, and judges whether medium pressure pressure is more than
First preset pressure and continue the 3rd Preset Time, wherein,
If medium pressure pressure is more than first preset pressure and continues the 3rd Preset Time, the control module is then
First control this to heat the indoor restricting element of interior machine to open, and after the Preset Time of time delay the 4th, then control this to heat interior machine pair
What should be connected heats vent diverter unlatching；
Otherwise, the control module first controls this to heat the vent diverter that heats that interior machine correspondence is connected to open, and in time delay the 5th
After Preset Time, then this is controlled to heat the unlatching of the indoor restricting element of interior machine.
9. multiple on-line system as claimed in claim 8, it is characterised in that first preset pressure is according to heating interior machine entrance
The corresponding refrigerant saturation pressure of temperature and the corresponding refrigerant saturation pressure of indoor environment temperature at place are obtained.
10. multiple on-line system as claimed in claim 9, it is characterised in that first preset pressure=Min (T1, T2A) is right
The preset value of refrigerant saturation pressure+the first answered, wherein, T1 is indoor environment temperature, and T2A is the temperature for heating interior machine porch.
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| CN201611077947.8A CN106766420B (en) | 2016-11-28 | 2016-11-28 | Multi-line system and its heating in the anti-hydrops of machine control method |
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| CN201611077947.8A CN106766420B (en) | 2016-11-28 | 2016-11-28 | Multi-line system and its heating in the anti-hydrops of machine control method |
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| CN110553339A (en) * | 2019-09-19 | 2019-12-10 | 宁波奥克斯电气股份有限公司 | Heat accumulation prevention control method and device for multi-split air conditioner and air conditioner |
| CN111503851A (en) * | 2020-04-29 | 2020-08-07 | 广东美的暖通设备有限公司 | Control method and device of multi-split air conditioning system |
| CN111503813A (en) * | 2020-04-29 | 2020-08-07 | 广东美的暖通设备有限公司 | Multi-split system and control method and device thereof |
| CN112303905A (en) * | 2019-07-29 | 2021-02-02 | 合肥美的暖通设备有限公司 | Multi-split system |
| CN114484587A (en) * | 2022-02-16 | 2022-05-13 | 宁波奥克斯电气股份有限公司 | Multi-split air conditioner refrigerant balance control method and system and multi-split air conditioner |
| WO2023160065A1 (en) * | 2022-02-28 | 2023-08-31 | 青岛海尔空调电子有限公司 | Method for controlling multi-split air conditioning system |
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