CN106642537A - Control method and device of radiation air conditioning system - Google Patents
Control method and device of radiation air conditioning system Download PDFInfo
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- CN106642537A CN106642537A CN201611036172.XA CN201611036172A CN106642537A CN 106642537 A CN106642537 A CN 106642537A CN 201611036172 A CN201611036172 A CN 201611036172A CN 106642537 A CN106642537 A CN 106642537A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/20—Humidity
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/65—Electronic processing for selecting an operating mode
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/20—Humidity
- F24F2110/22—Humidity of the outside air
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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 invention discloses a control method and a control device of a radiation air-conditioning system. Wherein, the method comprises the following steps: detecting whether the ambient humidity is greater than a preset humidity or not when the radiation air-conditioning system operates in a refrigeration mode; detecting whether the difference between the surface temperature of the radiation tail end of the radiation air-conditioning system and the air dew point temperature is less than or equal to a first preset range or not under the condition that the environment humidity is detected to be greater than the preset humidity; and if the difference is detected to be smaller than or equal to a first preset range, switching the radiation air-conditioning system from a cooling mode to a heating mode, wherein the surface temperature of the radiation tail end in the heating mode is increased. The invention solves the technical problem of radiation tail end surface condensation caused by high air humidity during refrigeration of the radiation air conditioning system.
Description
Technical field
The present invention relates to air-conditioner field, in particular to the control method and device of a kind of air-conditioning system.
Background technology
Using heat pump water chiller-heater unit coordinate radiation tail end (capillary network, metal radiant panel etc.) air-conditioning system by
In its comfortableness and energy saving, beginning is extensively applied in engineering.
But there are the following problems, when system is when refrigeration mode is run, water chiller-heater unit provides chilled water and supplies radiation tail end
Refrigeration, if indoor environment moisture fluctuation is larger during the use, as used during humidity big ups and downs particularly under abnormal conditions
Family opens a window, and due to the thermal inertia that chilled water and radiation tail end are built, radiation tail end cannot be improved in the surface temperature short time, led
Cause radiation tail end to cause to radiate plate surface condensation less than air dew point temperature due to temperature, building surface is attached to, so as to shadow
Ring user to use, will cause user's house facade mouldy when serious, come off, damage interior decoration, the situation is again in Practical Project
Repeatedly occur.
Prior art processing mode usually closes water chiller-heater unit refrigerating function, no longer provides cold and gives freezing Water transport
To mode end, but radiation tail end temperature is raised slowly under this mode, it is impossible to solve the problems, such as radiation tail end surface condensation.
For above-mentioned problem, effective solution is not yet proposed at present.
The content of the invention
The control method and device of a kind of air-conditioning system are embodiments provided, at least to solve radiation air-conditioner
Air humidity is larger and cause the technical problem of radiation tail end surface condensation during cooling system.
A kind of one side according to embodiments of the present invention, there is provided control method of air-conditioning system, including：In spoke
Penetrate air-conditioning system to run in cooling mode, whether detection ambient humidity is more than default humidity；Detecting the ambient humidity
In the case of the default humidity, the surface temperature and air dew point temperature of the radiation tail end of the air-conditioning system is detected
Whether the difference between degree is less than or equal to the first preset range；If detecting the difference less than or equal to the described first default model
Enclose, then the air-conditioning system is switched to into heating mode by the refrigeration mode, wherein, it is described under the heating mode
The surface temperature of radiation tail end is raised.
Further, detect between the surface temperature and air dew point temperature of the radiation tail end of the air-conditioning system
Whether difference includes less than or equal to the first preset range：The radiation tail end for detecting the air-conditioning system surface temperature with
Whether the difference between air dew point temperature judges the difference first less than or equal in the case of first preset range
Continuously less than equal to first preset range in Preset Time；If detecting the difference less than or equal to preset range,
The air-conditioning system is switched to into heating mode by the refrigeration mode includes：If the difference is default described first
Continuously less than equal to first preset range in time, the air-conditioning system is switched to by the refrigeration mode and is heated
Pattern.
Further, under the heating mode, the feedwater to the radiation tail end is heated, the radiation is empty
Adjusting system is switched to after heating mode by the refrigeration mode, and methods described also includes：Detect the feedwater of the radiation tail end
Whether temperature is more than or equal to the second preset range with the difference of the air dew point temperature；Detecting the feed temperature and institute
The difference of air dew point temperature is stated more than or equal to second preset range, then judges the feed temperature with the air dew point
Whether the difference of temperature is persistently more than or equal to second preset range in the second Preset Time；If it is judged that the feedwater
Temperature is persistently more than or equal to second preset range with the difference of the air dew point temperature in second Preset Time,
Then exit the heating mode；
Further, detecting whether the feed temperature of radiation tail end is more than with the difference of the air dew point temperature
After equal to the second preset range, methods described also includes：Detecting the feed temperature with the air dew point temperature
When difference is less than second preset range, the heating mode is kept；Or detecting the feed temperature with the sky
The difference of gas dew-point temperature is more than or equal to second preset range, and the feed temperature and the air dew point temperature
Difference is persistently less than second Preset Time more than or equal to the duration of second preset range, keeps the heating mode.
Further, the air-conditioning system includes multiple branch roads, if detecting the difference less than or equal to described
First preset range, then the air-conditioning system is switched to into heating mode by the refrigeration mode includes：Detecting
When the difference for stating tie point in multiple branch roads is less than or equal to first preset range, closes and removed in the plurality of branch road
Other branch roads beyond the tie point；The air-conditioning system is heated into mould described in the refrigeration mode is switched to
Formula, wherein, under the heating mode, the feedwater in the tie point is heated.
Another aspect according to embodiments of the present invention, additionally provides a kind of air-conditioning system, including：Temperature and humidity sensing
Device, is arranged on the radiation tail end of the air-conditioning system, for detecting the surface temperature and ambient humidity of the radiation tail end；
Controller, for running in cooling mode in air-conditioning system, the ambient humidity is more than default humidity, and the table
When difference between face temperature and air dew point temperature is less than or equal to the first preset range, the air-conditioning system is controlled by institute
State refrigeration mode and be switched to heating mode；Source pump, under the heating mode, described source pump water side is to described
Radiation tail end exports hot water.
Further, the system also includes：Feed temperature sensor, be arranged on the source pump water side or
The water inlet end of the radiation tail end, for detecting feed temperature.
Another aspect according to embodiments of the present invention, additionally provides a kind of control device of air-conditioning system, including：The
One detector unit, for running in cooling mode in air-conditioning system, whether detection ambient humidity is more than default humidity；The
Two detector units, in the case where detecting the ambient humidity more than the default humidity, detecting the radiation air-conditioner
Whether the difference between the surface temperature and air dew point temperature of the radiation tail end of system is less than or equal to the first preset range；Switching
Unit, for when detecting that the difference is less than or equal to first preset range, by the air-conditioning system by described
Refrigeration mode is switched to heating mode, wherein, the surface temperature of the radiation tail end is raised under the heating mode.
Further, first detector unit includes：Judge module, in the spoke for detecting the air-conditioning system
The difference penetrated between the surface temperature of end and air dew point temperature judges less than or equal in the case of first preset range
Whether the difference is continuously less than equal to first preset range in the first Preset Time；The second detector unit bag
Include：First handover module, for the difference in first Preset Time continuously less than equal to the described first default model
When enclosing, the air-conditioning system is switched to into heating mode by the refrigeration mode.
Further, under the heating mode, the feedwater to the radiation tail end is heated, and described device is also wrapped
Include：3rd detector unit, for after the air-conditioning system to be switched to heating mode by the refrigeration mode, detecting
Whether the feed temperature of the radiation tail end is more than or equal to the second preset range with the difference of the air dew point temperature；Judge single
Unit, for detecting the feed temperature with the difference of the air dew point temperature more than or equal to second preset range
When, judge whether the feed temperature is persistently more than or equal to institute with the difference of the air dew point temperature in the second Preset Time
State the second preset range；Unit is exited, for judging the feed temperature with the difference of the air dew point temperature in institute
State in the second Preset Time persistently more than or equal to second preset range, exit the heating mode；
Further, described device also includes：First holding unit, in the feed temperature for detecting the radiation tail end
Whether it is more than or equal to after the second preset range with the difference of the air dew point temperature, is detecting the feed temperature and institute
When the difference for stating air dew point temperature is less than second preset range, the heating mode is kept；Or second holding unit,
For detecting the feed temperature and the difference of the air dew point temperature more than or equal to second preset range, and
The feed temperature is persistently less than institute with the difference of the air dew point temperature more than or equal to the duration of second preset range
The second Preset Time is stated, the heating mode is kept.
Further, the air-conditioning system includes multiple branch roads, and the switch unit includes：Closedown module, is used for
When the difference of tie point in detecting the plurality of branch road is less than or equal to first preset range, close described many
Other branch roads in individual branch road in addition to the tie point；Second handover module, for by the air-conditioning system by institute
State refrigeration mode and be switched to the heating mode, wherein, under the heating mode, the feedwater in the tie point is carried out
Heating.
In embodiments of the present invention, adopt when air-conditioning system runs in cooling mode, detection ambient humidity is
It is no more than default humidity；In the case where detecting ambient humidity more than default humidity, the radiation end of air-conditioning system is detected
Whether the difference between the surface temperature and air dew point temperature at end is less than or equal to the first preset range；If detecting that difference is little
In equal to the first preset range, then air-conditioning system is switched to into heating mode by refrigeration mode, makes the surface of radiation tail end
The elevated mode of temperature, by making the surface temperature of radiation tail end more than the condensation temperature of air, has reached and has avoided radiation tail end
The purpose of surface condensation, it is achieved thereby that when air-conditioning system is in refrigeration, air humidity increase is not result in radiation tail end
The technique effect of surface condensation, and then it is larger and cause radiation tail end surface to solve air humidity when air-conditioning system freezes
The technical problem of condensation.
Description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, this
Bright schematic description and description does not constitute inappropriate limitation of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 is the flow chart of the control method of a kind of optional air-conditioning system according to embodiments of the present invention；
Fig. 2 is the structural representation of a kind of optional air-conditioning system according to embodiments of the present invention；
Fig. 3 is the flow chart of the control method of a kind of optional air-conditioning system according to embodiments of the present invention；
Fig. 4 is a kind of structural representation of air-conditioning system for optionally including multiple branch roads according to embodiments of the present invention
Figure；
Fig. 5 is the flow chart of the control method of a kind of optional air-conditioning system according to embodiments of the present invention；
Fig. 6 is the schematic diagram of the control device of a kind of optional air-conditioning system according to embodiments of the present invention.
Specific embodiment
In order that those skilled in the art more fully understand the present invention program, below in conjunction with the embodiment of the present invention
Accompanying drawing, is clearly and completely described to the technical scheme in the embodiment of the present invention, it is clear that described embodiment is only
The embodiment of a part of the invention, rather than the embodiment of whole.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained under the premise of creative work is not made, should all belong to the model of present invention protection
Enclose.
It should be noted that description and claims of this specification and the term " first " in above-mentioned accompanying drawing, "
Two " it is etc. the object for distinguishing similar, without for describing specific order or precedence.It should be appreciated that so using
Data can exchange in the appropriate case, so as to embodiments of the invention described herein can with except illustrating here or
Order beyond those of description is implemented.Additionally, term " comprising " and " having " and their any deformation, it is intended that cover
Lid is non-exclusive to be included, and for example, process, method, system, product or the equipment for containing series of steps or unit is not necessarily limited to
Those steps clearly listed or unit, but may include clearly not list or for these processes, method, product
Or intrinsic other steps of equipment or unit.
According to embodiments of the present invention, there is provided a kind of embodiment of the method for the control method of air-conditioning system, need
It is bright, can hold in the such as computer system of one group of computer executable instructions the step of the flow process of accompanying drawing is illustrated
OK, and, although show logical order in flow charts, but in some cases, can be with different from order herein
Perform shown or described step.
Fig. 1 is the flow chart of the control method of a kind of optional air-conditioning system according to embodiments of the present invention, such as Fig. 1
Shown, the method comprises the steps：
Step S102, runs in cooling mode in air-conditioning system, and whether detection ambient humidity is more than default humidity.
When air-conditioning system is in refrigeration mode, the temperature of the radiation tail end of air-conditioning system will be less than environment temperature
Degree, now by the way that the current ambient humidity detected by humidity sensor and default humidity are compared, detects current
Ambient humidity whether more than default humidity.
Step S104, in the case where detecting ambient humidity more than default humidity, detects the radiation of air-conditioning system
Whether the difference between the surface temperature and air dew point temperature of end is less than or equal to the first preset range.
If in step s 102, testing result is that current ambient humidity is more than default humidity, then radiation air-conditioner is obtained
Difference between the surface temperature and air dew point temperature of the radiation tail end of system, and detect the difference whether less than or equal to first
The surface temperature of the radiation tail end of preset range, wherein air-conditioning system can be by arranging temperature sensor in radiation tail end
Detected, air dew point temperature can be detected by setting Temperature Humidity Sensor or dew point transducer in the environment.
Step S106, if detecting difference less than or equal to the first preset range, by air-conditioning system by the mould that freezes
Formula is switched to heating mode, wherein, in a heating mode the surface temperature of radiation tail end is raised.
If in step S104, testing result is the surface temperature and air dew point of the radiation tail end of air-conditioning system
Difference between temperature is less than or equal to the first preset range, then air-conditioning system is switched to into heating mode from refrigeration mode,
The temperature for making the radiation tail end of air-conditioning system is raised.
In embodiments of the present invention, adopt when air-conditioning system runs in cooling mode, detection ambient humidity is
It is no more than default humidity；In the case where detecting ambient humidity more than default humidity, the radiation end of air-conditioning system is detected
Whether the difference between the surface temperature and air dew point temperature at end is less than or equal to the first preset range；If detecting that difference is little
In equal to the first preset range, then air-conditioning system is switched to into heating mode by refrigeration mode, makes the surface of radiation tail end
The elevated mode of temperature, by making the surface temperature of radiation tail end more than the condensation temperature of air, has reached and has avoided radiation tail end
The purpose of surface condensation, it is achieved thereby that when air-conditioning system is in refrigeration, air humidity increase is not result in radiation tail end
The technique effect of surface condensation, and then it is larger and cause radiation tail end surface to solve air humidity when air-conditioning system freezes
The technical problem of condensation.
Alternatively, detect that the difference between the surface temperature and air dew point temperature of the radiation tail end of air-conditioning system is
No first preset range that is less than or equal to includes：In the surface temperature and air dew point temperature of the radiation tail end of detection air-conditioning system
Difference between degree less than or equal in the case of the first preset range, judge difference whether in the first Preset Time continuously less than
Equal to the first preset range；If detecting that difference, less than or equal to preset range, air-conditioning system is cut by refrigeration mode
Changing to heating mode includes：If difference in the first Preset Time continuously less than equal to the first preset range, by radiation air-conditioner
System is switched to heating mode by refrigeration mode.
It is less than the difference between the surface temperature of radiation tail end of air-conditioning system and air dew point temperature is detected
During equal to the first preset range, determine whether that the difference between the surface temperature of radiation tail end and air dew point temperature is less than
The first Preset Time whether is reached in the duration of the first preset range, if the surface temperature and air dew point of radiation tail end
Difference between temperature has reached the first Preset Time less than or equal to the duration of the first preset range, then air-conditioning system
Heating mode is switched to by refrigeration mode.
For example, the first preset range is set to into 3 DEG C, the first Preset Time is set to 20 minutes, when detecting radiation
When difference between the surface temperature and air dew point temperature of the radiation tail end of air-conditioning system is less than or equal to 3 DEG C, judge that radiation is empty
Duration of the difference between the surface temperature and air dew point temperature of the radiation tail end of adjusting system less than or equal to 3 DEG C, and
When judging that the duration has reached 20 minutes, radiation sky is switched to into heating mode to system by refrigeration mode, raises radiation
The surface temperature of end.If the difference between the surface temperature and air dew point temperature of the radiation tail end of air-conditioning system is little
It is not up in the duration equal to 3 DEG C 20 minutes, then keeps air-conditioning system to be in refrigeration mode, and proceeds inspection
Survey.
For another example, the first preset range is set to into 1 DEG C, the first Preset Time is set to into 5 minutes, then when detecting radiation
When difference between the surface temperature and air dew point temperature of the radiation tail end of air-conditioning system is less than or equal to 1 DEG C, judge that radiation is empty
Duration of the difference between the surface temperature and air dew point temperature of the radiation tail end of adjusting system less than or equal to 1 DEG C, and
When judging that the duration has reached 5 minutes, radiation sky is switched to into heating mode to system by refrigeration mode.
Alternatively, a kind of special situation is that the first preset range is set to into 0 DEG C, and the first Preset Time is set to into 0
Minute, it is equal to 0 DEG C when the difference between the surface temperature of radiation tail end of air-conditioning system and air dew point temperature is detected
When, the surface temperature of the radiation tail end of air-conditioning system has reached air dew point temperature during table, now, immediately will radiation it is empty to
System is switched to heating mode by refrigeration mode, raises the surface temperature of radiation tail end.
Alternatively, in a heating mode, the feedwater to radiation tail end is heated, by air-conditioning system by the mould that freezes
Formula is switched to after heating mode, and method also includes：Detect the feed temperature of radiation tail end is with the difference of air dew point temperature
It is no to be more than or equal to the second preset range；Detecting feed temperature with the difference of air dew point temperature more than or equal to the second default model
Enclose, then judge that whether the difference of feed temperature and air dew point temperature is persistently preset more than or equal to second in the second Preset Time
Scope；If it is judged that feed temperature is persistently pre- more than or equal to second in the second Preset Time with the difference of air dew point temperature
If scope, then heating mode is exited.
Air-conditioning system can be heated when under heating mode to the feedwater of radiation tail end.It is empty when radiating
Adjusting system is switched to after heating mode by refrigeration mode, obtains the feed temperature and air dew point temperature of radiation tail end, and is examined
Whether the difference of the feed temperature and air dew point temperature of surveying radiation tail end is more than or equal to the second preset range, if detecting spoke
The feed temperature of end is penetrated with the difference of air dew point temperature more than or equal to the second preset range, radiation tail end is determined whether
The difference of feed temperature and air dew point temperature more than or equal to the duration of the second preset range whether reach second it is default when
Between, if the feed temperature of radiation tail end reaches with the difference of air dew point temperature more than or equal to the duration of the second preset range
To the second Preset Time, then heating mode is exited.
For example, the second preset range is set to into 5 DEG C, the second Preset Time is set to 10 minutes, by radiation air-conditioner system
System is switched to after heating mode by refrigeration mode, and by water temperature sensor the feed temperature of radiation tail end is obtained, in detection
When the difference of the feed temperature and air dew point temperature that go out radiation tail end is more than 5 DEG C, the feedwater temperature of radiation tail end is determined whether
The duration that degree is more than 5 DEG C with the difference of air dew point temperature, when the duration reaching 10 minutes, exit heating mode.
For another example, the second preset range is set to into 1 DEG C, the second Preset Time is set to 5 minutes, by air-conditioning system
It is switched to after heating mode by refrigeration mode, the feed temperature of radiation tail end is obtained by water temperature sensor, is being detected
When the feed temperature of radiation tail end is more than 1 DEG C with the difference of air dew point temperature, the feed temperature of radiation tail end is determined whether
It is more than 1 DEG C of duration with the difference of air dew point temperature, when the duration reaching 5 minutes, exits heating mode.
It should be noted that in embodiments of the present invention, the first preset range and the second preset range are being configured
When, it should be ensured that the first preset range is less than the second preset range.
Alternatively, it is whether pre- more than or equal to second with the difference of air dew point temperature in the feed temperature of detection radiation tail end
If after scope, method also includes：When detecting that feed temperature is less than the second preset range with the difference of air dew point temperature,
Keep heating mode；Or it is more than or equal to the second preset range in the difference for detecting feed temperature and air dew point temperature, and
And feed temperature is persistently less than the second Preset Time with the difference of air dew point temperature more than or equal to the duration of the second preset range,
Keep heating mode.
If whether the feed temperature of detection radiation tail end is with the difference of air dew point temperature more than or equal to the second default model
After enclosing, testing result is less than the second preset range for the feed temperature of radiation tail end with the difference of air dew point temperature, then protect
Air-conditioning system is held in heating mode, and continues the feed temperature of detection radiation tail end is with the difference of air dew point temperature
It is no to be more than or equal to the second preset range；If testing result is big with the difference of air dew point temperature for the feed temperature of radiation tail end
In the second preset range, determine whether the feed temperature of radiation tail end with the difference of air dew point temperature more than the second default model
When whether the duration enclosed reaches the second Preset Time, judged result is the duration to be less than the second Preset Time, then keep
Air-conditioning system is in heating mode, and continues to the feed temperature of radiation tail end and the difference of air dew point temperature and be somebody's turn to do
Difference is detected more than or equal to the duration of the second preset range.
The control method of radiation air-conditioner provided in an embodiment of the present invention is illustrated with reference to Fig. 3, as shown in figure 3,
The control method of the radiation air-conditioner includes：
Step S301, detects ambient humidity more than default humidity.When air-conditioning system runs in cooling mode,
Ambient humidity is detected, and detects ambient humidity more than default humidity.
Step S302, detects radiation tail end surface temperature, air dew point temperature.Detecting that ambient humidity is wet more than preliminary filling
When spending, radiation tail end surface temperature and air dew point temperature are detected.
Whether step S303, judge radiation tail end surface temperature with the difference of air dew point temperature less than or equal to Δ T1 (phases
When in the first preset range) and the duration be more than or equal to n1 minutes.If radiation tail end surface temperature and air dew point temperature
Difference be more than Δ T1, then continue to detect, or if whether radiation tail end surface temperature little with the difference of air dew point temperature
In n1 minutes are less than equal to Δ T1, but duration, then continue to detect.
Step S304, operational mode switches to heating mode, heating feedwater.If radiation tail end surface temperature is revealed with air
The difference of point temperature is less than or equal to Δ T1 and the duration is more than or equal to n1 minutes, then control air-conditioning system by refrigeration mode
Heating mode is switched to, the feedwater to radiation tail end is heated.
Step S305, judges whether feed temperature is more than or equal to Δ T2 with the difference of dew-point temperature, and continues n2 minutes.Such as
The difference of fruit feed temperature and dew-point temperature is less than Δ T2, or the difference of feed temperature and dew-point temperature more than or equal to Δ T2 but
Duration is less than n2 minutes, then remain heating mode, and the feedwater to radiation tail end is heated.
Step S306, if whether feed temperature is more than or equal to Δ T2 with the difference of dew-point temperature, and the duration reaches
N2 minutes, then exit heating mode.
Alternatively, air-conditioning system includes multiple branch roads, if detecting difference less than or equal to the first preset range,
Air-conditioning system is switched to into heating mode by refrigeration mode includes：The difference of tie point is little in multiple branch roads are detected
When equal to the first preset range, other branch roads in addition to tie point in multiple branch roads are closed；By air-conditioning system by
Refrigeration mode is switched to heating mode, wherein, in a heating mode, the feedwater in tie point is heated.
In embodiments of the present invention, air-conditioning system can include multiple branch roads, and tie point is in multiple branch roads
A branch road, detecting the difference between the surface temperature of radiation tail end of tie point and air dew point temperature less than etc.
In the first preset range, and when needing for air-conditioning system to be switched to heating mode by refrigeration mode according to the testing result,
Other branch roads in addition to tie point are first closed, then, air-conditioning system heating mode is switched to into by refrigeration mode, this
When, feedwater of the radiation air-conditioner to tie point is heated, so as to raise the surface temperature of the radiation tail end of tie point.
As shown in figure 4, air-conditioning system includes multiple branch roads, it is provided with every branch road for detecting the path radiation
The surface temperature sensor of end surface temperature, and for detecting the temperature and humidity sensing of the branch road place environment temperature and humidity
Device, or dew point transducer, alternatively, when multiple branch roads are in same room with them, it is also possible to appropriate reduction the sensor
Quantity.Every branch road is additionally provided with corresponding valve, for controlling the break-make of its corresponding branch road.Controller is used to obtain above-mentioned
The testing result of sensor, according to testing result, by the break-make of each branch road of Valve controlling, and control air-conditioning system by
Refrigeration mode is switched to pattern.For example：In the case where the ambient humidity residing for detection out branch 1 is more than default humidity, and examine
The difference between the surface temperature and air dew point temperature of the radiation tail end of branch road 1 is measured less than or equal to the first preset range and is held
When the continuous time reaches the first Preset Time, controller is disconnected other branch roads in addition to branch road 1 by branch road valve, and is controlled
Air-conditioning system is switched to pattern by refrigeration mode.
The control method of radiation air-conditioner provided in an embodiment of the present invention is illustrated with reference to Fig. 5, as shown in figure 5,
Air-conditioning system includes multiple branch roads, and the control method of the radiation air-conditioner includes：
Step S501, detects ambient humidity more than default humidity.When air-conditioning system runs in cooling mode,
Ambient humidity is detected, and detects ambient humidity more than default humidity.
Step S502, detects all branch road radiation tail end surface temperatures, air dew point temperature.
Step S503, determines whether that branch road radiation tail end surface temperature is less than or equal to Δ T1 with the difference of dew-point temperature,
And the duration reaches n1 minutes.Δ is less than or equal to if there is no the difference of branch road radiation tail end surface temperature and dew-point temperature
The T1 and duration reaches n1 minutes, then continue to detect.
Step S504, is less than or equal to Δ T1 and holds if there is branch road radiation tail end surface temperature with the difference of dew-point temperature
The continuous time reaches n1 minutes, closes other branch road valves, and unit switches to heating mode, heating feedwater.If there is branch road
Radiation tail end surface temperature is less than or equal to Δ T1 with the difference of air dew point temperature and the duration is more than or equal to n1 minutes, then close
The valve of other branch roads is closed, air-conditioning system is then controlled and heating mode is switched to by refrigeration mode, radiation tail end is given
Water is heated.
Step S505, judges whether feed temperature is more than or equal to Δ T2 and duration with the difference of the branch road dew-point temperature
Reach n2 minutes.If feed temperature is less than Δ T2, or feed temperature and the branch road dew with the difference of the branch road dew-point temperature
The difference of point temperature is more than or equal to Δ T2, but the duration is less than n2 minutes, then keep heating mode.
Step S506, if feed temperature is more than or equal to Δ T2 with the difference of the branch road dew-point temperature and the duration reaches
N2 minutes, then exit heating mode.
According to embodiments of the present invention, there is provided a kind of air-conditioning system embodiment, the air-conditioning system can be used for
Perform the control method of the air-conditioning system of the embodiment of the present invention, the control method of the air-conditioning system of the embodiment of the present invention
Can also be performed by the air-conditioning system of the embodiment of the present invention, as shown in Fig. 2 the air-conditioning system includes：
Temperature Humidity Sensor, is arranged on the radiation tail end of air-conditioning system, for detecting the surface temperature of radiation tail end
And ambient humidity.
Temperature Humidity Sensor is arranged on the radiation tail end of air-conditioning system, can detect the surface temperature of radiation tail end,
Or the environment temperature and humidity of current environment, and the temperature by current environment and humidity acquisition present air dew point temperature
Degree.
Controller, for running in cooling mode in air-conditioning system, ambient humidity is more than default humidity, and table
When difference between face temperature and air dew point temperature is less than or equal to the first preset range, control air-conditioning system is by the mould that freezes
Formula is switched to heating mode.
Controller is switched to heating mode for controlling air-conditioning system by refrigeration mode, when air-conditioning system operation
When in cooling mode, the surface temperature of the radiation tail end that Temperature Humidity Sensor is detected, and the environment of current environment are obtained
Temperature and humidity, if the current environment humidity for detecting is more than presets humidity, and the radiation tail end of air-conditioning system
When difference between surface temperature and air dew point temperature is less than or equal to the first preset range, controller control air-conditioning system
Heating mode is switched to by refrigeration mode.
Source pump, in a heating mode, source pump water side to radiation tail end export hot water.
When air-conditioning system runs in a heating mode, source pump is by water side to radiation tail end heat outputting
Water, raises radiation tail end temperature.
Alternatively, system also includes：Feed temperature sensor, is arranged on water side or the radiation tail end of source pump
Water inlet end, for detecting feed temperature.
Alternatively, water temperature sensor, water temperature sensor are also included in the air-conditioning system of the embodiment of the present invention
The water side that source pump can be arranged on or the water inlet end for being arranged on radiation tail end, operate in air-conditioning system and heat
When under pattern, water temperature sensor is used to detect the feed temperature of radiation tail end.
According to embodiments of the present invention, a kind of control device embodiment of air-conditioning system is additionally provided, as shown in fig. 6,
The device includes：
First detector unit 601, for running in cooling mode in air-conditioning system, whether detection ambient humidity is big
In default humidity.
When air-conditioning system is in refrigeration mode, the temperature of the radiation tail end of air-conditioning system will be less than environment temperature
Degree, now the first detector unit 601 is by the way that the current ambient humidity detected by humidity sensor and default humidity are carried out
Relatively, detect current ambient humidity whether more than default humidity.
Second detector unit 602, in the case where detecting ambient humidity more than default humidity, detecting radiation air-conditioner
Whether the difference between the surface temperature and air dew point temperature of the radiation tail end of system is less than or equal to the first preset range.
The testing result of first detector unit 601 is that current ambient humidity is more than default humidity, then the second detector unit 602
The difference between the surface temperature and air dew point temperature of the radiation tail end of air-conditioning system is obtained, and whether detects the difference
Less than or equal to the first preset range, the wherein surface temperature of the radiation tail end of air-conditioning system can be by setting in radiation tail end
Put temperature sensor to be detected, air dew point temperature can be by arranging in the environment Temperature Humidity Sensor or dew point sensor
Device is detected.
Switch unit 603, for when detecting that difference is less than or equal to the first preset range, by air-conditioning system by making
Chill formula is switched to heating mode, wherein, in a heating mode the surface temperature of radiation tail end is raised.
The testing result of second detector unit 602 is the surface temperature and air dew point temperature of the radiation tail end of air-conditioning system
Difference between degree is less than or equal to the first preset range, then switch unit 603 is switched to air-conditioning system from refrigeration mode
Heating mode, the temperature for making the radiation tail end of air-conditioning system is raised.
In embodiments of the present invention, adopt when air-conditioning system runs in cooling mode, detection ambient humidity is
It is no more than default humidity；In the case where detecting ambient humidity more than default humidity, the radiation end of air-conditioning system is detected
Whether the difference between the surface temperature and air dew point temperature at end is less than or equal to the first preset range；If detecting that difference is little
In equal to the first preset range, then air-conditioning system is switched to into heating mode by refrigeration mode, makes the surface of radiation tail end
The elevated mode of temperature, by making the surface temperature of radiation tail end more than the condensation temperature of air, has reached and has avoided radiation tail end
The purpose of surface condensation, it is achieved thereby that when air-conditioning system is in refrigeration, air humidity increase is not result in radiation tail end
The technique effect of surface condensation, and then it is larger and cause radiation tail end surface to solve air humidity when air-conditioning system freezes
The technical problem of condensation.
Alternatively, the first detector unit includes：Judge module, in the table of the radiation tail end of detection air-conditioning system
Whether the difference between face temperature and air dew point temperature judges difference first less than or equal in the case of the first preset range
Continuously less than equal to the first preset range in Preset Time；Second detector unit includes：First handover module, for existing in difference
When in the first Preset Time continuously less than equal to the first preset range, air-conditioning system is switched to by refrigeration mode and heats mould
Formula.
It is less than the difference between the surface temperature of radiation tail end of air-conditioning system and air dew point temperature is detected
During equal to the first preset range, determine whether that the difference between the surface temperature of radiation tail end and air dew point temperature is less than
The first Preset Time whether is reached in the duration of the first preset range, if the surface temperature and air dew point of radiation tail end
Difference between temperature has reached the first Preset Time less than or equal to the duration of the first preset range, then air-conditioning system
Heating mode is switched to by refrigeration mode.
For example, the first preset range is set to into 3 DEG C, the first Preset Time is set to 20 minutes, when detecting radiation
When difference between the surface temperature and air dew point temperature of the radiation tail end of air-conditioning system is less than or equal to 3 DEG C, judge that radiation is empty
Duration of the difference between the surface temperature and air dew point temperature of the radiation tail end of adjusting system less than or equal to 3 DEG C, and
When judging that the duration has reached 20 minutes, radiation sky is switched to into heating mode to system by refrigeration mode, raises radiation
The surface temperature of end.If the difference between the surface temperature and air dew point temperature of the radiation tail end of air-conditioning system is little
It is not up in the duration equal to 3 DEG C 20 minutes, then keeps air-conditioning system to be in refrigeration mode, and proceeds inspection
Survey.
For another example, the first preset range is set to into 1 DEG C, the first Preset Time is set to into 5 minutes, then when detecting radiation
When difference between the surface temperature and air dew point temperature of the radiation tail end of air-conditioning system is less than or equal to 1 DEG C, judge that radiation is empty
Duration of the difference between the surface temperature and air dew point temperature of the radiation tail end of adjusting system less than or equal to 1 DEG C, and
When judging that the duration has reached 5 minutes, radiation sky is switched to into heating mode to system by refrigeration mode.
Alternatively, a kind of special situation is that the first preset range is set to into 0 DEG C, and the first Preset Time is set to into 0
Minute, it is equal to 0 DEG C when the difference between the surface temperature of radiation tail end of air-conditioning system and air dew point temperature is detected
When, the surface temperature of the radiation tail end of air-conditioning system has reached air dew point temperature during table, now, immediately will radiation it is empty to
System is switched to heating mode by refrigeration mode, raises the surface temperature of radiation tail end.
Alternatively, in a heating mode, the feedwater to radiation tail end is heated, and device also includes：3rd detector unit,
For after air-conditioning system to be switched to heating mode by refrigeration mode, detecting the feed temperature and air of radiation tail end
Whether the difference of dew-point temperature is more than or equal to the second preset range；Judging unit, for detecting feed temperature with air dew
When the difference of point temperature is more than or equal to the second preset range, judge feed temperature with the difference of air dew point temperature whether second
Persistently it is more than or equal to the second preset range in Preset Time；Unit is exited, for judging feed temperature and air dew point temperature
The difference of degree is persistently more than or equal to the second preset range in the second Preset Time, exits heating mode.
Air-conditioning system can be heated when under heating mode to the feedwater of radiation tail end.It is empty when radiating
Adjusting system is switched to after heating mode by refrigeration mode, obtains the feed temperature and air dew point temperature of radiation tail end, and is examined
Whether the difference of the feed temperature and air dew point temperature of surveying radiation tail end is more than or equal to the second preset range, if detecting spoke
The feed temperature of end is penetrated with the difference of air dew point temperature more than or equal to the second preset range, radiation tail end is determined whether
The difference of feed temperature and air dew point temperature more than or equal to the duration of the second preset range whether reach second it is default when
Between, if the feed temperature of radiation tail end reaches with the difference of air dew point temperature more than or equal to the duration of the second preset range
To the second Preset Time, then heating mode is exited.
For example, the second preset range is set to into 5 DEG C, the second Preset Time is set to 10 minutes, by radiation air-conditioner system
System is switched to after heating mode by refrigeration mode, and by water temperature sensor the feed temperature of radiation tail end is obtained, in detection
When the difference of the feed temperature and air dew point temperature that go out radiation tail end is more than 5 DEG C, the feedwater temperature of radiation tail end is determined whether
The duration that degree is more than 5 DEG C with the difference of air dew point temperature, when the duration reaching 10 minutes, exit heating mode.
For another example, the second preset range is set to into 1 DEG C, the second Preset Time is set to 5 minutes, by air-conditioning system
It is switched to after heating mode by refrigeration mode, the feed temperature of radiation tail end is obtained by water temperature sensor, is being detected
When the feed temperature of radiation tail end is more than 1 DEG C with the difference of air dew point temperature, the feed temperature of radiation tail end is determined whether
It is more than 1 DEG C of duration with the difference of air dew point temperature, when the duration reaching 5 minutes, exits heating mode.
It should be noted that in embodiments of the present invention, the first preset range and the second preset range are being configured
When, it should be ensured that the first preset range is less than the second preset range.
Alternatively, device also includes：First holding unit, in the feed temperature and air dew point of detection radiation tail end
Whether the difference of temperature is detecting feed temperature with the difference of air dew point temperature little more than or equal to after the second preset range
When the second preset range, heating mode is kept；Or second holding unit, for detecting feed temperature and air dew point
The difference of temperature is more than or equal to the second preset range, and the difference of feed temperature and air dew point temperature is persistently more than or equal to the
The duration of two preset ranges is less than the second Preset Time, keeps heating mode.
If whether the feed temperature of detection radiation tail end is with the difference of air dew point temperature more than or equal to the second default model
After enclosing, testing result is less than the second preset range for the feed temperature of radiation tail end with the difference of air dew point temperature, then protect
Air-conditioning system is held in heating mode, and continues the feed temperature of detection radiation tail end is with the difference of air dew point temperature
It is no to be more than or equal to the second preset range；If testing result is big with the difference of air dew point temperature for the feed temperature of radiation tail end
In the second preset range, determine whether the feed temperature of radiation tail end with the difference of air dew point temperature more than the second default model
When whether the duration enclosed reaches the second Preset Time, judged result is the duration to be less than the second Preset Time, then keep
Air-conditioning system is in heating mode, and continues to the feed temperature of radiation tail end and the difference of air dew point temperature and be somebody's turn to do
Difference is detected more than or equal to the duration of the second preset range.
Alternatively, air-conditioning system includes multiple branch roads, and switch unit includes：Closedown module, for detect it is many
When the difference of tie point is less than or equal to the first preset range in individual branch road, close in multiple branch roads in addition to tie point its
His branch road；Second handover module, for air-conditioning system to be switched to into heating mode by refrigeration mode, wherein, heating mould
Under formula, the feedwater in tie point is heated.
In embodiments of the present invention, air-conditioning system can include multiple branch roads, and tie point is in multiple branch roads
A branch road, detecting the difference between the surface temperature of radiation tail end of tie point and air dew point temperature less than etc.
In the first preset range, and when needing for air-conditioning system to be switched to heating mode by refrigeration mode according to the testing result,
Other branch roads in addition to tie point are first closed, then, air-conditioning system heating mode is switched to into by refrigeration mode, this
When, feedwater of the radiation air-conditioner to tie point is heated, so as to raise the surface temperature of the radiation tail end of tie point.
As shown in figure 4, air-conditioning system includes multiple branch roads, it is provided with every branch road for detecting the path radiation
The surface temperature sensor of end surface temperature, and for detecting the temperature and humidity sensing of the branch road place environment temperature and humidity
Device, or dew point transducer, alternatively, when multiple branch roads are in same room with them, it is also possible to appropriate reduction the sensor
Quantity.Every branch road is additionally provided with corresponding valve, for controlling the break-make of its corresponding branch road.Controller is used to obtain above-mentioned
The testing result of sensor, according to testing result, by the break-make of each branch road of Valve controlling, and control air-conditioning system by
Refrigeration mode is switched to pattern.For example：In the case where the ambient humidity residing for detection out branch 1 is more than default humidity, and examine
The difference between the surface temperature and air dew point temperature of the radiation tail end of branch road 1 is measured less than or equal to the first preset range and is held
When the continuous time reaches the first Preset Time, controller is disconnected other branch roads in addition to branch road 1 by branch road valve, and is controlled
Air-conditioning system is switched to pattern by refrigeration mode.
The embodiments of the present invention are for illustration only, do not represent the quality of embodiment.
In the above embodiment of the present invention, the description to each embodiment all emphasizes particularly on different fields, and does not have in certain embodiment
The part of detailed description, may refer to the associated description of other embodiment.
In several embodiments provided herein, it should be understood that disclosed technology contents, can pass through other
Mode is realized.Wherein, device embodiment described above is only schematic, such as the division of described unit, Ke Yiwei
A kind of division of logic function, can there is an other dividing mode when actually realizing, such as multiple units or component can with reference to or
Person is desirably integrated into another system, or some features can be ignored, or does not perform.Another, shown or discussed is mutual
Between coupling or direct-coupling or communication connection can be INDIRECT COUPLING or communication link by some interfaces, unit or module
Connect, can be electrical or other forms.
The unit as separating component explanation can be or may not be it is physically separate, it is aobvious as unit
The part for showing can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
On unit.Some or all of unit therein can according to the actual needs be selected to realize the purpose of this embodiment scheme.
In addition, each functional unit in each embodiment of the invention can be integrated in a processing unit, it is also possible to
It is that unit is individually physically present, it is also possible to which two or more units are integrated in a unit.Above-mentioned integrated list
Unit both can be realized in the form of hardware, it would however also be possible to employ the form of SFU software functional unit is realized.
If the integrated unit is realized using in the form of SFU software functional unit and as independent production marketing or used
When, during a computer read/write memory medium can be stored in.Based on such understanding, technical scheme is substantially
The part for contributing to prior art in other words or all or part of the technical scheme can be in the form of software products
Embody, the computer software product is stored in a storage medium, including some instructions are used so that a computer
Equipment (can be personal computer, server or network equipment etc.) perform the whole of each embodiment methods described of the invention or
Part steps.And aforesaid storage medium includes：USB flash disk, read-only storage (ROM, Read-Only Memory), arbitrary access are deposited
Reservoir (RAM, Random Access Memory), portable hard drive, magnetic disc or CD etc. are various can be with store program codes
Medium.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (12)
1. a kind of control method of air-conditioning system, it is characterised in that include：
Run in cooling mode in air-conditioning system, whether detection ambient humidity is more than default humidity；
In the case where detecting the ambient humidity more than the default humidity, the radiation end of the air-conditioning system is detected
Whether the difference between the surface temperature and air dew point temperature at end is less than or equal to the first preset range；
If the difference is detected less than or equal to first preset range, by the air-conditioning system by the refrigeration
Pattern switching to heating mode, wherein, under the heating mode radiation tail end the surface temperature raise.
2. method according to claim 1, it is characterised in that
Detect whether the difference between the surface temperature and air dew point temperature of the radiation tail end of the air-conditioning system is less than
Include equal to the first preset range：In the surface temperature and air dew point temperature of the radiation tail end for detecting the air-conditioning system
Between difference less than or equal in the case of first preset range, judge whether the difference holds in the first Preset Time
It is continuous to be less than or equal to first preset range；
If detecting that the difference, less than or equal to preset range, the air-conditioning system is switched by the refrigeration mode
Include to heating mode：If the difference in first Preset Time continuously less than equal to first preset range,
The air-conditioning system is switched to into heating mode by the refrigeration mode.
3. method according to claim 1, it is characterised in that under the heating mode, the radiation tail end is given
Water is heated, and after the air-conditioning system to be switched to heating mode by the refrigeration mode, methods described is also wrapped
Include：
Detect whether the feed temperature of the radiation tail end presets model more than or equal to second with the difference of the air dew point temperature
Enclose；
Detecting that the feed temperature and the difference of the air dew point temperature more than or equal to second preset range, then sentence
Whether the feed temperature and the difference of the air dew point temperature of breaking be persistently more than or equal to described the in the second Preset Time
Two preset ranges；
If it is judged that the feed temperature continues greatly with the difference of the air dew point temperature in second Preset Time
In equal to second preset range, then the heating mode is exited.
4. method according to claim 3, it is characterised in that detecting the feed temperature and the sky of the radiation tail end
Whether more than or equal to after the second preset range, methods described also includes the difference of gas dew-point temperature：
When detecting that the feed temperature is less than second preset range with the difference of the air dew point temperature, institute is kept
State heating mode；Or
Detecting the feed temperature and the difference of the air dew point temperature more than or equal to second preset range, and
The feed temperature is persistently less than institute with the difference of the air dew point temperature more than or equal to the duration of second preset range
The second Preset Time is stated, the heating mode is kept.
5. method according to claim 1, it is characterised in that the air-conditioning system includes multiple branch roads, if inspection
The difference is measured less than or equal to first preset range, is then switched to the air-conditioning system by the refrigeration mode
Heating mode includes：
When the difference of tie point in detecting the plurality of branch road is less than or equal to first preset range, institute is closed
State other branch roads in addition to the tie point in multiple branch roads；
The air-conditioning system is switched to into the heating mode by the refrigeration mode, wherein, under the heating mode,
Feedwater in the tie point is heated.
6. a kind of air-conditioning system, it is characterised in that include：
Temperature Humidity Sensor, is arranged on the radiation tail end of the air-conditioning system, for detecting the surface of the radiation tail end
Temperature and ambient humidity；
Controller, for running in cooling mode in air-conditioning system, the ambient humidity is more than default humidity, and institute
When stating the difference between surface temperature and air dew point temperature less than or equal to the first preset range, the air-conditioning system is controlled
Heating mode is switched to by the refrigeration mode；
Source pump, under the heating mode, described source pump water side exports hot water to the radiation tail end.
7. system according to claim 6, it is characterised in that the system also includes：
Feed temperature sensor, is arranged on the water side of the source pump or the water inlet end of the radiation tail end, for examining
Survey feed temperature.
8. a kind of control device of air-conditioning system, it is characterised in that include：
First detector unit, for running in cooling mode in air-conditioning system, whether detection ambient humidity is more than default
Humidity；
Second detector unit, in the case where detecting the ambient humidity more than the default humidity, detecting the spoke
Whether the difference penetrated between the surface temperature and air dew point temperature of the radiation tail end of air-conditioning system is less than or equal to the first default model
Enclose；
Switch unit, for when detecting that the difference is less than or equal to first preset range, by the radiation air-conditioner system
System is switched to heating mode by the refrigeration mode, wherein, the surface temperature of the radiation tail end under the heating mode
Degree is raised.
9. device according to claim 8, it is characterised in that
First detector unit includes：Judge module, on the surface of the radiation tail end for detecting the air-conditioning system
Whether difference between temperature and air dew point temperature judges the difference less than or equal in the case of first preset range
Continuously less than equal to first preset range in the first Preset Time；
Second detector unit includes：First handover module, for continuing in first Preset Time in the difference
During less than or equal to first preset range, the air-conditioning system is switched to into heating mode by the refrigeration mode.
10. device according to claim 8, it is characterised in that under the heating mode, the radiation tail end is given
Water is heated, and described device also includes：
3rd detector unit, for after the air-conditioning system to be switched to heating mode by the refrigeration mode, examining
The feed temperature of the radiation tail end and the difference of the air dew point temperature are surveyed whether more than or equal to the second preset range；
Judging unit, for detecting the feed temperature with the difference of the air dew point temperature more than or equal to described second
During preset range, judge whether the feed temperature continues greatly with the difference of the air dew point temperature in the second Preset Time
In equal to second preset range；
Unit is exited, for judging the feed temperature with the difference of the air dew point temperature when described second is default
It is interior to be persistently more than or equal to second preset range, exit the heating mode.
11. devices according to claim 10, it is characterised in that described device also includes：
First holding unit, in the difference for detecting the feed temperature of the radiation tail end and the air dew point temperature whether
After more than or equal to the second preset range, detecting the feed temperature with the difference of the air dew point temperature less than described
During the second preset range, the heating mode is kept；Or
Second holding unit, for detecting the feed temperature with the difference of the air dew point temperature more than or equal to described
Second preset range, and the feed temperature is persistently default more than or equal to described second with the difference of the air dew point temperature
The duration of scope is less than second Preset Time, keeps the heating mode.
12. devices according to claim 8, it is characterised in that the air-conditioning system includes multiple branch roads, described to cut
Changing unit includes：
Closedown module, the difference for the tie point in the plurality of branch road is detected is default less than or equal to described first
During scope, other branch roads in addition to the tie point in the plurality of branch road are closed；
Second handover module, for the air-conditioning system to be switched to into the heating mode by the refrigeration mode, wherein,
Under the heating mode, the feedwater in the tie point is heated.
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| CN107178854A (en) * | 2017-07-17 | 2017-09-19 | 国安瑞（北京）科技有限公司 | Radiation air-conditioner and condensation prevention control method |
| CN107421061A (en) * | 2017-07-06 | 2017-12-01 | 青岛海尔空调器有限总公司 | The condensation prevention control method and device of air conditioner |
| WO2024065996A1 (en) * | 2022-09-30 | 2024-04-04 | 广东美的制冷设备有限公司 | Anti-condensation control method, device, apparatus and storage medium |
| WO2024109191A1 (en) * | 2022-11-22 | 2024-05-30 | 广东美的制冷设备有限公司 | Dew removal control method and apparatus, radiant air-conditioning system, and storage medium |
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| CN107421061A (en) * | 2017-07-06 | 2017-12-01 | 青岛海尔空调器有限总公司 | The condensation prevention control method and device of air conditioner |
| CN107421061B (en) * | 2017-07-06 | 2020-04-24 | 青岛海尔空调器有限总公司 | Anti-condensation control method and device for air conditioner |
| CN107178854A (en) * | 2017-07-17 | 2017-09-19 | 国安瑞（北京）科技有限公司 | Radiation air-conditioner and condensation prevention control method |
| WO2024065996A1 (en) * | 2022-09-30 | 2024-04-04 | 广东美的制冷设备有限公司 | Anti-condensation control method, device, apparatus and storage medium |
| WO2024109191A1 (en) * | 2022-11-22 | 2024-05-30 | 广东美的制冷设备有限公司 | Dew removal control method and apparatus, radiant air-conditioning system, and storage medium |
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