CN106403192B - Anti-condensation operation control method and device and multi-connected air conditioning system - Google Patents
Anti-condensation operation control method and device and multi-connected air conditioning system Download PDFInfo
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- CN106403192B CN106403192B CN201610883990.7A CN201610883990A CN106403192B CN 106403192 B CN106403192 B CN 106403192B CN 201610883990 A CN201610883990 A CN 201610883990A CN 106403192 B CN106403192 B CN 106403192B
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- 238000009833 condensation Methods 0.000 title claims abstract description 63
- 238000000034 method Methods 0.000 title claims abstract description 30
- 238000004378 air conditioning Methods 0.000 title abstract description 5
- 230000005494 condensation Effects 0.000 claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000012544 monitoring process Methods 0.000 claims description 21
- 238000001514 detection method Methods 0.000 claims description 9
- 238000001704 evaporation Methods 0.000 claims description 3
- 230000008020 evaporation Effects 0.000 claims description 3
- 230000002045 lasting effect Effects 0.000 claims 1
- 238000005057 refrigeration Methods 0.000 abstract description 10
- 239000003507 refrigerant Substances 0.000 description 7
- 239000003921 oil Substances 0.000 description 5
- 230000007423 decrease Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000009423 ventilation Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000010025 steaming Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000010729 system oil Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—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
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/22—Means for preventing condensation or evacuating condensate
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/22—Means for preventing condensation or evacuating condensate
- F24F2013/221—Means for preventing condensation or evacuating condensate to avoid the formation of condensate, e.g. dew
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Atmospheric Sciences (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Signal Processing (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The application discloses an anti-condensation operation control method, an anti-condensation operation control device and a multi-connected air conditioning system, wherein the method and the device are applied to an indoor unit of the multi-connected air conditioning system, and particularly record the shutdown time of the indoor unit when the multi-connected air conditioning system is in a refrigeration state and the indoor unit is in a shutdown state; when the shutdown time reaches a preset shutdown time threshold, detecting the temperature of an evaporator of the indoor unit to obtain the temperature of the evaporator; and when the temperature of the evaporator is lower than a preset first temperature threshold and the duration time reaches a preset first time threshold, controlling the indoor unit to execute a preset condensation preventing program. By adopting the condensation-preventing program, condensation can be prevented from being generated in the indoor unit in a shutdown state, so that the indoor unit can be prevented from dripping or leaking water.
Description
Technical field
This application involves air-conditioning technical field, more specifically to a kind of anti-condensation progress control method, device and more
Gang air conditioner.
Background technique
Multi-gang air conditioner is typically required for oil return operation, i.e., carries out the lubricating oil in system during cooling system operation
It recycles.During its operation, the electric expansion valve of all indoor units in opening system is needed to make refrigerant and refrigeration oil together
Circulation is got up, and refrigeration oil is more recovered in outdoor unit.During cooling system oil return, due to needing indoor unit to open electricity
Sub- expansion valve leads to the refrigerant that low-temp low-pressure is flowed through in its pipeline, and since refrigerant temperature is lower, it will lead to indoor unit
The rapid drop in temperature of evaporator；Certainly, in real system actual motion, sometimes as electric expansion valve failure is led
The decline of induced evaporation device temperature.
When indoor machine evaporation is when the temperature drops, the lower condensed water of temperature can be generated, and accumulate in drip tray.
The lower evaporator of temperature and drip tray can radiate cooling capacity and go out, and lead to the electric components such as indoor unit upper fan, baffle liner, motor
There is condensation.With the accumulation of condensation, indoor unit, which just will appear, to drip or leakage accident, can cause to damage to ceiling when serious
It is bad.
Summary of the invention
In view of this, the application provides a kind of anti-condensation progress control method, device and multi-gang air conditioner, for preventing
The indoor unit of multi-gang air conditioner generates condensation, to avoid because caused by condensation indoor unit occur dripping or leakage accident.
To achieve the goals above, it is proposed that scheme it is as follows:
A kind of anti-condensation progress control method, applied on the indoor unit of multi-gang air conditioner, the anti-condensation operation is controlled
Method processed specifically includes step:
When the multi-gang air conditioner is in refrigerating state, and the indoor unit is in shutdown status, the room is recorded
The shutdown duration of interior machine；
When the shutdown duration reaches preset shutdown duration threshold value, the temperature of the evaporator of the indoor unit is carried out
Detection, obtains evaporator temperature；
When the evaporator temperature is lower than preset first temperature threshold, and duration reaches preset first duration threshold
It when value, controls the indoor unit and executes preset anti-condensation program, for preventing the electric component of the indoor unit from generating condensation.
Optionally, environment temperature and preset first temperature corrected value of first temperature threshold for the indoor unit
Difference.
Optionally, the control indoor unit executes preset anti-condensation program, comprising:
The wind deflector for controlling the indoor unit is opened, and the angle of the wind deflector is transferred to minimum angles；
The blower for controlling the indoor unit is opened, and the wind speed of the blower is maintained at deep low gear；
The draining pump for controlling the indoor unit is drained；
And/or it controls the electric expansion valve of the indoor unit and enters closed state.
Optionally, further includes:
During the indoor unit executes the anti-condensation program, the conditions present of the indoor unit is judged, when
When the conditions present meets preset condition, controls the indoor unit and stop executing the anti-condensation program.
Optionally, the conditions present to the indoor unit judges, comprising:
Timing is carried out to the duration of the anti-condensation program；
When the duration reaches preset second duration threshold value, determine that the conditions present meets the default item
Part.
Optionally, the conditions present to the indoor unit judges, comprising:
Demand to user to the indoor unit is monitored；
When monitoring that user has demand to the indoor unit, determine that the conditions present meets the preset condition.
Optionally, the conditions present to the indoor unit judges, comprising:
The evaporator temperature is monitored；
When the evaporator temperature is higher than preset second temperature threshold value and continues preset third duration threshold value, sentence
The conditions present that breaks meets the preset condition.
Optionally, the second temperature threshold value is the difference of the environment temperature and preset second temperature correction value.
A kind of anti-condensation operating control device, applied on the indoor unit of multi-gang air conditioner, the anti-condensation operation is controlled
Device processed includes:
Duration logging modle is shut down, for being in refrigerating state when the multi-gang air conditioner, and the indoor unit is in
When shutdown status, the shutdown duration of the indoor unit is recorded；
Evaporator temperature detection module, for when the shutdown duration reaches preset shutdown duration threshold value, to described
The temperature of the evaporator of indoor unit is detected, and evaporator temperature is obtained；
First protection control module, for when the evaporator temperature is lower than preset first temperature threshold, and continues
When length reaches preset first duration threshold value, controls the indoor unit and execute preset anti-condensation program, for preventing the room
The electric component of interior machine generates condensation.
Optionally, environment temperature and preset first temperature corrected value of first temperature threshold for the indoor unit
Difference.
Optionally, the first protection control module includes some or all of in lower unit:
Wind deflector control unit, the wind deflector for controlling the indoor unit are opened, and by the angle tune of the wind deflector
To minimum angles；
Air-blower control unit, the blower for controlling the indoor unit is opened, and the wind speed of the blower is maintained at most
It is low-grade；
Water pump control unit, the draining pump for controlling the indoor unit are drained；
Valve control unit, VCU is expanded, the electric expansion valve for controlling the indoor unit enters closed state.
Optionally, further includes:
Second protection control module, for executing the anti-condensation program device in the indoor unit, to the indoor unit
Conditions present judged, when the conditions present meets preset condition, control the indoor unit stop executing it is described anti-
Condensation program.
Optionally, described second includes: including control module
First monitoring unit is monitored for the duration to the anti-condensation program；
First judging unit, it is described current for determining when the duration reaches preset second duration threshold value
Condition meets the preset condition.
Optionally, described second includes: including control module
Second monitoring unit is monitored for the demand to user to the indoor unit；
Second judging unit, for when monitoring that user has demand to the indoor unit, determining that the conditions present is full
The foot preset condition.
Optionally, described second includes: including control module
Third monitoring unit, for being monitored to the evaporator temperature；
Third monitoring unit, for when the evaporator temperature is higher than preset second temperature threshold value and continues preset
When third duration threshold value, judge that the conditions present meets the preset condition.
Optionally, the second temperature threshold value is the difference of the environment temperature and preset second temperature correction value.
A kind of multi-gang air conditioner, including at least one outdoor unit and multiple indoor units, the indoor unit are provided with as above
The anti-condensation operating control device.
It can be seen from the above technical scheme that this application discloses a kind of anti-condensation progress control methods, device and more
Gang air conditioner, this method and device are applied on the indoor unit of multi-gang air conditioner, specially when multi-gang air conditioner is in
Refrigerating state, and when indoor unit is in shutdown status, record the shutdown duration of indoor unit；Reach preset shutdown when shutting down duration
When duration threshold value, the temperature of the evaporator of indoor unit is detected, evaporator temperature is obtained；When evaporator temperature is lower than default
The first temperature threshold, and when duration reaches preset first duration threshold value, control indoor unit executes preset anti-condensation
Program.By taking the anti-condensation program, condensation can be generated on the electric component to avoid the indoor unit in shutdown status, from
And indoor unit can be made to avoid the occurrence of and dripped or leakage accident.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of application for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of flow chart of anti-condensation progress control method embodiment provided by the present application；
Fig. 2 is the flow chart of the anti-condensation progress control method embodiment of another kind provided by the present application；
Fig. 3 is a kind of structural block diagram of anti-condensation operating control device embodiment provided by the present application；
Fig. 4 is the structural block diagram of the anti-condensation operating control device embodiment of another kind provided by the present application.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of embodiments of the present application, instead of all the embodiments.It is based on
Embodiment in the application, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall in the protection scope of this application.
Method and apparatus provided herein are applied to the indoor unit of multi-gang air conditioner, which includes
At least one outdoor unit and multiple indoor units, and each indoor unit has the electric expansion valve for adjusting refrigerant flow rate, tool
Have for providing the blower of air circulation power, there is the sensor for detecting evaporator temperature, have for detecting environment
The sensor of temperature has and is used for data record, calculating, analysis and the controller of judgement, also has for being discharged in drip tray
The draining pump of condensed water, and the wind deflector for adjusting air outlet angle.
Embodiment one
Fig. 1 is a kind of flow chart of anti-condensation progress control method embodiment provided by the present application.
As shown in Figure 1, the indoor unit of anti-condensation progress control method application multi-gang air conditioner provided in this embodiment, tool
Body comprising steps of
S101: the shutdown duration of indoor unit is recorded.
It is when the multi-gang air conditioner is in refrigeration operational state, from the indoor unit when recording the shutdown duration here
Moment start recording is shut down, the shutdown duration of the indoor unit is obtained by the record to downtime.
S102: the evaporator temperature of indoor unit is detected.
When the shutdown duration of machine reaches preset shutdown duration threshold value indoors, continuously to the temperature of the evaporator of the indoor unit
Degree is detected, to obtain the evaporator temperature.It is worth noting that being not limited to the detection of evaporator temperature when shutting down
Length just starts when reaching preset shutdown duration threshold value, can also can start when multi-gang air conditioner is switched on.
The shutdown duration threshold value preferably 20 minutes.
S103: control indoor unit executes preset anti-condensation program.
While the evaporator temperature to indoor unit detects, evaporator temperature is judged, when the evaporator
Temperature is lower than preset first temperature threshold, and reaches preset first duration threshold lower than the duration of first temperature threshold
When value, control indoor unit starts to execute preset anti-condensation program, to avoid condensation is generated on the electric component of indoor unit.
Wherein, the first temperature threshold is the environment temperature of indoor unit local environment and the difference of preset first temperature corrected value
Value, preferably 6 DEG C of first temperature corrected value；First duration threshold value then preferably 10 seconds.
In addition, above-mentioned anti-condensation program specifically includes following project:
1) control indoor unit wind deflector it is in the open state, and by the angle of the wind deflector be transferred to its institute it is attainable most
Low-angle；
2) blower for controlling indoor unit brings into operation, and the wind speed of blower is maintained at its attainable minimum wind of institute
Current gear is turned down deep low gear if wind speed has multiple gears by speed；
3) draining pump for controlling indoor unit is started to work, will be outside the condensed water discharge machine in drip tray；
4) electric expansion valve for controlling indoor unit is closed, to make low temperature refrigerant avoid enter into the indoor unit, to avoid
The evaporator temperature of indoor unit further decreases.
It is worth noting that above-mentioned 1), 2), 3) He 4) be that optional state arranged side by side can execute it in actual implementation
In part steps, Overall Steps therein can also be executed.
As can be seen that present embodiments providing a kind of anti-condensation progress control method, this method from above-mentioned technical proposal
Applied on the indoor unit of multi-gang air conditioner, specially when multi-gang air conditioner is in refrigerating state, and indoor unit is in and stops
When machine state, the shutdown duration of indoor unit is recorded；Steaming when shutdown duration reaches preset shutdown duration threshold value, to indoor unit
The temperature of hair device is detected, and evaporator temperature is obtained；When evaporator temperature is lower than preset first temperature threshold, and continues
When length reaches preset first duration threshold value, control indoor unit executes preset anti-condensation program.By taking the anti-condensation journey
Sequence can generate condensation on the electric component to avoid the indoor unit in shutdown status, so as to avoid the occurrence of indoor unit
Leakage accident after dripping.
Embodiment two
Fig. 2 is the flow chart of the anti-condensation progress control method embodiment of another kind provided by the present application.
As shown in Fig. 2, the indoor unit of anti-condensation progress control method application multi-gang air conditioner provided in this embodiment, tool
Body comprising steps of
S201: the shutdown duration of indoor unit is recorded.
It is when the multi-gang air conditioner is in refrigeration operational state, from the indoor unit when recording the shutdown duration here
Moment start recording is shut down, the shutdown duration of the indoor unit is obtained by the record to downtime.
S202: the evaporator temperature of indoor unit is detected.
When the shutdown duration of machine reaches preset shutdown duration threshold value indoors, continuously to the temperature of the evaporator of the indoor unit
Degree is detected, to obtain the evaporator temperature.It is worth noting that being not limited to the detection of evaporator temperature when shutting down
Length just starts when reaching preset shutdown duration threshold value, can also can start when multi-gang air conditioner is switched on.
The shutdown duration threshold value preferably 20 minutes.
S203: control indoor unit executes preset anti-condensation program.
While the evaporator temperature to indoor unit detects, evaporator temperature is judged, when the evaporator
Temperature is lower than preset first temperature threshold, and reaches preset first duration threshold lower than the duration of first temperature threshold
When value, control indoor unit starts to execute preset anti-condensation program, to avoid condensation is generated on the electric component of indoor unit.
Wherein, the first temperature threshold is the environment temperature of indoor unit local environment and the difference of preset first temperature corrected value
Value, preferably 6 DEG C of first temperature corrected value；First duration threshold value then preferably 10 seconds.
In addition, above-mentioned anti-condensation program specifically includes following project:
1) control indoor unit wind deflector it is in the open state, and by the angle of the wind deflector be transferred to its institute it is attainable most
Low-angle；
2) blower for controlling indoor unit brings into operation, and the wind speed of blower is maintained at its attainable minimum wind of institute
Current gear is turned down deep low gear if wind speed has multiple gears by speed；
3) draining pump for controlling indoor unit is started to work, will be outside the condensed water discharge machine in drip tray；
4) electric expansion valve for controlling indoor unit is closed, to make low temperature refrigerant avoid enter into the indoor unit, to avoid
The evaporator temperature of indoor unit further decreases.
It is worth noting that above-mentioned 1), 2), 3) He 4) be that optional state arranged side by side can execute it in actual implementation
In part steps, Overall Steps therein can also be executed.
S204: when indoor unit meets preset condition, stop executing anti-condensation program.
When machine starts to execute anti-condensation program indoors, the conditions present of indoor unit is judged at any time, deserves preceding article
Part is respectively the duration of anti-condensation program, the demand of user and evaporator temperature, when these conditions presents have a satisfaction
When preset condition, then stop executing anti-condensation program, in particular to close wind deflector, blower and draining pump, while by indoor unit
Electric expansion valve open.
It is specifically as follows to the judgment step of conditions present:
1) duration of anti-condensation program is monitored, when the duration reaches preset second duration threshold value
When, determine that conditions present meets preset condition.Here the second duration threshold value preferably 5 minutes.
2) whether monitoring user to the operational requirements that have of indoor unit, specifically whether have input corresponding refrigeration, ventilation,
Dehumidifying instruction；When monitoring that user has demand to indoor unit, determine that conditions present meets preset condition, at this moment stops above-mentioned anti-
Condensation program, and start to start refrigeration, ventilation or dehumidifying by the needs of user.
3) evaporator temperature is monitored, when evaporator temperature is higher than preset second temperature threshold value and continues
When length reaches preset third duration threshold value, determine that conditions present meets preset condition.Here second temperature threshold value is aforementioned ring
The difference of border temperature and second temperature correction value, preferably 3 DEG C of the second temperature correction value；Third duration threshold value preferably 10 seconds.
As can be seen that present embodiments providing another anti-condensation progress control method, the party from above-mentioned technical proposal
Method is applied on the indoor unit of multi-gang air conditioner, and specially when multi-gang air conditioner is in refrigerating state, and indoor unit is in
When shutdown status, the shutdown duration of indoor unit is recorded；When shutdown duration reaches preset shutdown duration threshold value, to indoor unit
The temperature of evaporator is detected, and evaporator temperature is obtained；When evaporator temperature be lower than preset first temperature threshold, and continue
When duration reaches preset first duration threshold value, control indoor unit executes preset anti-condensation program.By taking this anti-condensation
Program can be dripped or be leaked so as to avoid the occurrence of indoor unit to avoid condensation is generated in the indoor unit in shutdown status
Water accident.In addition, the execution of the anti-condensation program is terminated in time by the judgement to conditions present, to make the cold of the indoor unit
Frozen oil returns to outdoor unit in time, and avoids waste of energy caused by the continuous service of blower, draining pump.
Embodiment three
Fig. 3 is a kind of structural block diagram of anti-condensation operating control device embodiment provided by the present application.
As shown in figure 3, the indoor unit of anti-condensation operating control device application multi-gang air conditioner provided in this embodiment, tool
Body includes shutting down duration logging modle 10, evaporator temperature detection module 20 and the first protection control module 30.
Shut down the shutdown duration that duration logging modle 10 is used to record indoor unit.
It is when the multi-gang air conditioner is in refrigeration operational state, from the indoor unit when recording the shutdown duration here
Moment start recording is shut down, the shutdown duration of the indoor unit is obtained by the record to downtime.
Evaporator temperature detection module 20 is for detecting the evaporator temperature of indoor unit.
When the shutdown duration of machine reaches preset shutdown duration threshold value indoors, evaporator temperature detection module 20 is continuous right
The temperature of the evaporator of the indoor unit is detected, to obtain the evaporator temperature.It is worth noting that evaporator temperature
Detection be not limited to shut down duration reach preset shutdown duration threshold value when just start, can also be switched in multi-gang air conditioner
When can start.
The shutdown duration threshold value preferably 20 minutes.
First protection control module 30 executes preset anti-condensation program for controlling indoor unit.
While the evaporator temperature to indoor unit detects, evaporator temperature is judged, when the evaporator
Temperature is lower than preset first temperature threshold, and reaches preset first duration threshold lower than the duration of first temperature threshold
When value, control indoor unit starts to execute preset anti-condensation program, to avoid condensation is generated on the electric component of indoor unit.
Wherein, the first temperature threshold is the environment temperature of indoor unit local environment and the difference of preset first temperature corrected value
Value, preferably 6 DEG C of first temperature corrected value；First duration threshold value then preferably 10 seconds.
In addition, the first protection control module 30 specifically includes wind deflector control unit 31, air-blower control unit 32, water pump
Unit some or all of in control unit 33 and expansion valve control unit, VCU 34.
The wind deflector that wind deflector control unit 31 controls indoor unit is in the open state, and the angle of the wind deflector is transferred to
Its attainable minimum angles of institute；
The blower that air-blower control unit 32 is used to control indoor unit brings into operation, and the wind speed of blower is maintained at its institute
Current gear is turned down deep low gear if wind speed has multiple gears by attainable minimum wind speed；
The draining pump that water pump control unit 33 controls indoor unit is started to work, and machine is discharged in the condensed water in drip tray
Outside；
The electric expansion valve closing that valve control unit, VCU 34 controls indoor unit is expanded, so that low temperature refrigerant be made to avoid enter into the room
Interior machine, so that the evaporator temperature of indoor unit be avoided to further decrease.
It is worth noting that four above-mentioned units are optional states arranged side by side, in actual implementation, to make first guarantor
Shield control module can execute partial function therein, can also execute repertoire therein.
As can be seen that present embodiments providing a kind of anti-condensation operating control device, the device from above-mentioned technical proposal
Applied on the indoor unit of multi-gang air conditioner, specially when multi-gang air conditioner is in refrigerating state, and indoor unit is in and stops
When machine state, the shutdown duration of indoor unit is recorded；Steaming when shutdown duration reaches preset shutdown duration threshold value, to indoor unit
The temperature of hair device is detected, and evaporator temperature is obtained；When evaporator temperature is lower than preset first temperature threshold, and continues
When length reaches preset first duration threshold value, control indoor unit executes preset anti-condensation program.By taking the anti-condensation journey
Sequence, can to avoid in shutdown status indoor unit in generate condensation, so as to make indoor unit avoid the occurrence of drip after leak
Accident.
Example IV
Fig. 4 is the structural block diagram of the anti-condensation operating control device embodiment of another kind provided by the present application.
As shown in figure 4, the indoor unit of anti-condensation operating control device application multi-gang air conditioner provided in this embodiment, tool
Body is to be additionally arranged second on the basis of a upper embodiment to include control module 40.
Second protection control module 40 for machine starts to execute anti-condensation program indoors when, to the conditions present of indoor unit
Judged at any time, which is respectively the duration of anti-condensation program, the demand of user and evaporator temperature, when this
A little conditions presents have one when meeting preset condition, then stop executing anti-condensation program, in particular to close wind deflector, blower and
Draining pump, while the electric expansion valve of indoor unit being opened, waste of energy is caused to avoid the unnecessary operation of above-mentioned component.
To achieve the goals above, it is single to specifically include the judgement of the first monitoring unit 41, first for the second protection control module 40
First 42, second monitoring unit 43, the second judging unit 44, third monitoring unit 45 and third judging unit 46.
First monitoring unit 41 for being monitored to the duration of anti-condensation program, hold when this by the first judging unit 42
When continuous duration reaches preset second duration threshold value, determine that conditions present meets preset condition.Here the second duration threshold value is excellent
It selects 5 minutes.
Whether whether the second monitoring unit 43 is used to monitor user to the operational requirements that have of indoor unit, specifically have input
Corresponding refrigeration, ventilation, dehumidifying instruction；Second judging unit 44 is used for when monitoring that user has demand to indoor unit, is determined
Conditions present meets preset condition, at this moment stops above-mentioned anti-condensation program, and start to start by the needs of user refrigeration, ventilation or
Person's dehumidifying.
Third monitoring unit 45 is for being monitored evaporator temperature, and third judging unit 46 is for working as evaporator temperature
Higher than preset second temperature threshold value and when duration reaches preset third duration threshold value, determine that conditions present meets
Preset condition.Here second temperature threshold value is the difference of aforesaid environmental temperature and second temperature correction value, second temperature amendment
Preferably 3 DEG C of value；Third duration threshold value preferably 10 seconds.
As can be seen that present embodiments providing another anti-condensation operating control device, the dress from above-mentioned technical proposal
It sets on the indoor unit applied to multi-gang air conditioner, specially when multi-gang air conditioner is in refrigerating state, and indoor unit is in
When shutdown status, the shutdown duration of indoor unit is recorded；When shutdown duration reaches preset shutdown duration threshold value, to indoor unit
The temperature of evaporator is detected, and evaporator temperature is obtained；When evaporator temperature be lower than preset first temperature threshold, and continue
When duration reaches preset first duration threshold value, control indoor unit executes preset anti-condensation program.By taking this anti-condensation
Program can be dripped or be leaked so as to avoid the occurrence of indoor unit to avoid condensation is generated in the indoor unit in shutdown status
Water accident.In addition, the execution of the anti-condensation program is terminated in time by the judgement to conditions present, to make the cold of the indoor unit
Frozen oil returns to outdoor unit in time, and avoids waste of energy caused by the continuous service of blower, draining pump.
Embodiment five
A kind of multi-gang air conditioner is present embodiments provided, which includes at least one outdoor unit and multiple
Indoor unit, each indoor unit are provided with anti-condensation operating control device provided in any of the above embodiment.
The anti-condensation control device is specially to work as multi-gang air conditioner to be in refrigerating state, and indoor unit is in shutdown status
When, record the shutdown duration of indoor unit；When shutting down duration and reaching preset shutdown duration threshold value, to the evaporator of indoor unit
Temperature is detected, and evaporator temperature is obtained；When evaporator temperature is lower than preset first temperature threshold, and duration reaches
When preset first duration threshold value, control indoor unit executes preset anti-condensation program, for preventing the electric component of indoor unit
Generate condensation.It, can be solidifying to avoid being generated on the electric component of the indoor unit in shutdown status by taking the anti-condensation program
Dew, so as to make indoor unit avoid the occurrence of short circuit accident.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.To the upper of the disclosed embodiments
It states bright, can be realized professional and technical personnel in the field or using the application.Various modifications to these embodiments are to ability
It will be apparent for the professional technician in domain, the general principles defined herein can not depart from the application's
In the case where spirit or scope, realize in other embodiments.Therefore, the application be not intended to be limited to it is shown in this article these
Embodiment, and it is to fit to the widest scope consistent with the principles and novel features disclosed herein.
Claims (11)
1. a kind of anti-condensation progress control method, applied on the indoor unit of multi-gang air conditioner, which is characterized in that described anti-condensation
Dew progress control method specifically includes step:
When the multi-gang air conditioner is in refrigerating state, and the indoor unit is in shutdown status, the indoor unit is recorded
Shutdown duration；
When the shutdown duration reaches preset shutdown duration threshold value, the temperature of the evaporator of the indoor unit is examined
It surveys, obtains evaporator temperature；
When the evaporator temperature is lower than preset first temperature threshold, and duration reaches preset first duration threshold value
When, it controls the indoor unit and executes preset anti-condensation program；
The method also includes: during the indoor unit executes the anti-condensation program, to the conditions present of the indoor unit
Judged, when the conditions present meets preset condition, controls the indoor unit and stop executing the anti-condensation program；
The conditions present to the indoor unit judges, comprising: is being worked as based on evaporator temperature to the indoor unit
In the case that precondition is judged, the evaporator temperature is monitored；When the evaporator temperature is higher than preset the
When two temperature thresholds and lasting preset third duration threshold value, judge that the conditions present meets the preset condition.
2. anti-condensation progress control method as described in claim 1, which is characterized in that first temperature threshold is the room
The difference of the environment temperature of interior machine and preset first temperature corrected value.
3. anti-condensation progress control method as described in claim 1, which is characterized in that the control indoor unit executes pre-
If anti-condensation program, comprising:
The wind deflector for controlling the indoor unit is opened, and the angle of the wind deflector is transferred to minimum angles；
The blower for controlling the indoor unit is opened, and the wind speed of the blower is maintained at deep low gear；
The draining pump for controlling the indoor unit is drained；
And/or it controls the electric expansion valve of the indoor unit and enters closed state.
4. anti-condensation progress control method as described in claim 1, which is characterized in that described to work as preceding article to the indoor unit
Part is judged, comprising:
Timing is carried out to the duration of the anti-condensation program；
When the duration reaches preset second duration threshold value, determine that the conditions present meets the preset condition.
5. anti-condensation progress control method as described in claim 1, which is characterized in that described to work as preceding article to the indoor unit
Part is judged, comprising:
Demand to user to the indoor unit is monitored；
When monitoring that user has demand to the indoor unit, determine that the conditions present meets the preset condition.
6. anti-condensation progress control method as described in claim 1, which is characterized in that the second temperature threshold value is environment temperature
The difference of degree and preset second temperature correction value.
7. a kind of anti-condensation operating control device, applied on the indoor unit of multi-gang air conditioner, which is characterized in that described anti-condensation
Revealing operating control device includes:
Duration logging modle is shut down, for being in refrigerating state when the multi-gang air conditioner, and the indoor unit is in and shuts down
When state, the shutdown duration of the indoor unit is recorded；
Evaporator temperature detection module, for when the shutdown duration reaches preset shutdown duration threshold value, to the interior
The temperature of the evaporator of machine is detected, and evaporator temperature is obtained；
First protection control module, for being lower than preset first temperature threshold when the evaporator temperature, and duration reaches
When to preset first duration threshold value, controls the indoor unit and execute preset anti-condensation program；
The anti-condensation operating control device further include: the second protection control module, it is described anti-for being executed in the indoor unit
Condensation program device, judges the conditions present of the indoor unit, when the conditions present meets preset condition, control
The indoor unit stops executing the anti-condensation program；
It is described second protection control module include: third monitoring unit, for based on evaporator temperature to the indoor unit
In the case that conditions present is judged, the evaporator temperature is monitored；Third monitoring unit, for working as the evaporation
When device temperature is higher than preset second temperature threshold value and continues preset third duration threshold value, judge that the conditions present meets
The preset condition.
8. anti-condensation operating control device as claimed in claim 7, which is characterized in that the first protection control module packet
It includes some or all of in lower unit:
Wind deflector control unit, the wind deflector for controlling the indoor unit is opened, and the angle of the wind deflector is transferred to most
Low-angle；
Air-blower control unit, the blower for controlling the indoor unit is opened, and the wind speed of the blower is maintained at deep low gear；
Water pump control unit, the draining pump for controlling the indoor unit are drained；
Valve control unit, VCU is expanded, the electric expansion valve for controlling the indoor unit enters closed state.
9. anti-condensation operating control device as claimed in claim 7, which is characterized in that the second protection control module packet
It includes:
First monitoring unit is monitored for the duration to the anti-condensation program；
First judging unit, for determining the conditions present when the duration reaches preset second duration threshold value
Meet the preset condition.
10. anti-condensation operating control device as claimed in claim 7, which is characterized in that the second protection control module packet
It includes:
Second monitoring unit is monitored for the demand to user to the indoor unit；
Second judging unit, for when monitoring that user has demand to the indoor unit, determining that the conditions present meets institute
State preset condition.
11. a kind of multi-gang air conditioner, including at least one outdoor unit and multiple indoor units, which is characterized in that the indoor unit
Anti-condensation operating control devices described in any item just like claim 7~10 are set.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610883990.7A CN106403192B (en) | 2016-10-09 | 2016-10-09 | Anti-condensation operation control method and device and multi-connected air conditioning system |
| PCT/CN2017/094629 WO2018064910A1 (en) | 2016-10-09 | 2017-07-27 | Anti-condensation operation control method, device, and multi-air conditioning system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610883990.7A CN106403192B (en) | 2016-10-09 | 2016-10-09 | Anti-condensation operation control method and device and multi-connected air conditioning system |
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| CN106403192B true CN106403192B (en) | 2019-01-15 |
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| WO (1) | WO2018064910A1 (en) |
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| CN106403192B (en) * | 2016-10-09 | 2019-01-15 | 珠海格力电器股份有限公司 | Anti-condensation operation control method and device and multi-connected air conditioning system |
| CN107560072B (en) * | 2017-08-29 | 2021-03-19 | 广东美的制冷设备有限公司 | Multi-split air conditioner, control method thereof and storage medium |
| CN107575939B (en) * | 2017-09-07 | 2019-10-25 | 珠海格力电器股份有限公司 | Multi-split system and control method thereof |
| CN107560084B (en) * | 2017-09-13 | 2018-12-28 | 珠海格力电器股份有限公司 | Air conditioner control method and air conditioner |
| CN108006920B (en) * | 2017-11-17 | 2018-12-18 | 珠海格力电器股份有限公司 | Courtyard machine control method and device and courtyard machine |
| CN108644964B (en) * | 2018-05-14 | 2020-06-19 | 广东美的制冷设备有限公司 | Control method and control system of air conditioner and air conditioner |
| CN109506336A (en) * | 2018-11-19 | 2019-03-22 | 珠海格力电器股份有限公司 | Air conditioner control method and device, storage medium and air conditioner |
| CN109631300B (en) * | 2018-12-18 | 2021-01-12 | 奥克斯空调股份有限公司 | Anti-condensation air outlet angle adjusting method and device, air conditioner and air conditioning system |
| CN110057028B (en) * | 2019-04-24 | 2021-01-15 | 宁波奥克斯电气股份有限公司 | Condensation removing control method for electric auxiliary heating of air conditioner and air conditioner |
| CN110445253B (en) * | 2019-08-09 | 2022-07-08 | 珠海格力电器股份有限公司 | Mainboard power supply system and method for intelligently switching power supplies |
| CN110567111B (en) * | 2019-09-16 | 2021-01-29 | 珠海格力电器股份有限公司 | Air conditioner control method and device, storage medium and air conditioner |
| CN110657554B (en) * | 2019-10-21 | 2021-11-30 | 宁波奥克斯电气股份有限公司 | Air conditioner condensation prevention control method and device and air conditioner |
| CN111623483A (en) * | 2020-04-28 | 2020-09-04 | 海信（山东）空调有限公司 | Air conditioner and protection method thereof |
| CN112944652B (en) * | 2021-04-24 | 2022-04-19 | 浙江科顿科技有限公司 | Air guide door condensation preventing system and method for air conditioner |
| CN113531783B (en) * | 2021-07-21 | 2022-06-28 | 四川虹美智能科技有限公司 | Refrigeration anti-freezing control method and device of multi-connected air conditioning system |
| CN117847769A (en) * | 2022-09-30 | 2024-04-09 | 广东美的制冷设备有限公司 | Anti-condensation control method, device, equipment and storage medium |
| CN115507497B (en) * | 2022-10-08 | 2024-08-09 | 珠海格力电器股份有限公司 | Air conditioning system and condensation prevention control method thereof |
| CN117889525A (en) * | 2022-10-09 | 2024-04-16 | 青岛海尔空调电子有限公司 | Multi-connected air conditioning system, anti-condensation control method thereof and storage medium |
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| WO2018064910A1 (en) | 2018-04-12 |
| CN106403192A (en) | 2017-02-15 |
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