CN106765967A - A kind of dew-point temperature control method and device - Google Patents
A kind of dew-point temperature control method and device Download PDFInfo
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- CN106765967A CN106765967A CN201611248751.0A CN201611248751A CN106765967A CN 106765967 A CN106765967 A CN 106765967A CN 201611248751 A CN201611248751 A CN 201611248751A CN 106765967 A CN106765967 A CN 106765967A
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Classifications
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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
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- 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
- F24F11/65—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
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
- F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
Abstract
The invention discloses a kind of dew-point temperature control method and system, the method includes：Real-time detection indoor environment temperature, indoor environment humidity, cold surface temperature, and dew-point temperature is calculated according to the indoor environment temperature and indoor environment humidity；In cooling mode, if the indoor environment humidity is more than or equal to the first humidity threshold, then blower fan dehumidifying is only opened until the indoor environment humidity is less than the first design temperature less than the second humidity threshold or the indoor environment temperature, blower fan is closed, second humidity threshold is less than first humidity threshold；If the indoor environment humidity is less than the first humidity threshold, then according to the indoor environment temperature, the first temperature return difference compensation interval, described dew-point temperature and the cold surface temperature, control capillary network cold valves and blower fan are turned on and off, and the first temperature return difference compensation interval is maintained to adjust indoor environment temperature.Using the present invention, it is possible to achieve refrigeration and dehumidification system are uniformly controlled, effectively prevent capillary network from condensing, and do not interfere with the refrigeration demand under hot and humid environment.
Description
Technical field
The present invention relates to temperature controller technical field, more particularly to a kind of dew-point temperature control method and device.
Background technology
Nowadays, the air-conditioning system of modern architecture has to meet requirement very high.Traditional air-conditioning system such as ventilation equipment
It is difficult with static heat supply while the requirement in space and energy-conservation for reaching the comfortableness of optimal heat, most saving.Capillary is this field
A new technology, it can be according to surrounding environment adjust automatically.Capillary network is general to convey energy by medium of water, with height
The characteristics of effect energy-conservation and high degree of comfort.Capillary network can be combined installed in ceiling, ground or metope, uniformly dispersing with decorative layer
Energy, so, the energy transmission between user and room surface is just carried out by way of radiation.
The solution of condensation trouble is the most important link of capillary network air conditioner design, if solve bad condensation asked
Topic, being imbedded in the capillary network of ground, roof and wall can corrode wall and floor because of condensation, and also can breed bacteria.
Therefore take correct capillary network anti-condensation method particularly important.
In the prior art, a dew point temperature controller control anti-condensation temperature, a dehumidifying controller control are typically with
Indoor humidity is made, water circuit system can be closed when dew point temperature controller has detected condensation risk, but this control program is present
Following shortcoming：Under summer high temperature high humidity environment, close dew temperature and room temperature can be approached, and water circuit system is forced closed, and can be caused
Air-conditioning system fails, it is impossible to realize refrigeration；And, can undoubtedly increase use cost using multiple controllers, cause to waste.
The content of the invention
A kind of dew-point temperature control method and device that the present invention is provided, to realize the unified control to refrigeration and dehumidification system
System, effectively prevents capillary network from condensing, and do not interfere with the refrigeration demand under hot and humid environment.
To reach above-mentioned purpose, the technical solution adopted by the present invention is as follows：
A kind of dew-point temperature control method, including：
Real-time detection indoor environment temperature, indoor environment humidity, cold surface temperature, and according to the indoor environment temperature and
Indoor environment humidity calculates dew-point temperature；
In cooling mode,
If the indoor environment humidity is more than or equal to the first humidity threshold, blower fan dehumidifying is only opened, until described
Indoor environment humidity is less than the first design temperature less than the second humidity threshold or the indoor environment temperature, closes blower fan, institute
The second humidity threshold is stated less than first humidity threshold；
If the indoor environment humidity is less than the first humidity threshold, according to the indoor environment temperature, the first temperature
Return difference compensates interval, described dew-point temperature and the cold surface temperature, and control capillary network cold valves and blower fan are turned on and off,
The first temperature return difference compensation interval is maintained to adjust indoor environment temperature, the first temperature return difference compensation interval is
(T1- △ T1, T1+ △ T1), wherein, the T1 is the first setting temperature, and the △ T1 are the first offset.
Preferably, it is described that interval, described dew-point temperature and institute are compensated according to the indoor environment temperature, the first temperature return difference
Cold surface temperature is stated, control capillary network cold valves and blower fan are turned on and off including：
If the indoor environment temperature compensates interval more than the first temperature return difference, the cold surface temperature and institute are detected
Whether the difference of dew-point temperature is stated less than condensation risk threshold value；If it is, opening capillary network cold valves and controlling blower fan to press
According to Setting pattern operation；Otherwise, control blower fan is according to setting model running；
If the indoor environment temperature compensates interval less than the first temperature return difference, capillary network cold valves are closed, and
Control blower fan runs or closes blower fan according to Setting pattern.
Preferably, the control blower fan includes according to Setting pattern operation：
If user is provided with wind speed, according to the blast velocity control fan operation speed that user is set；
If user is not provided with wind speed, controlled according to the difference that the indoor environment temperature sets temperature with described first
Fan operation speed.
Preferably, the unlatching blower fan dehumidifying also includes：
If user is provided with wind speed, according to the blast velocity control fan operation speed that user is set；
If user is not provided with wind speed, according to acquiescence blast velocity control fan operation speed, or according to the indoor environment
Humidity controls fan operation speed with the difference of first humidity threshold.
Preferably, methods described also includes：
In cooling mode, close and supply dim valve；
In a heating mode, if the indoor environment temperature compensates interval less than the second temperature return difference, open
For dim valve；If the indoor environment temperature compensates interval more than the second temperature return difference, close and supply dim valve, described second
It is (T2- △ T2, T2+ △ T2) that the compensation of temperature return difference is interval, wherein, the T2 is the second setting temperature, and the △ T2 are second
Offset.
Preferably, methods described also includes：
Open during for dim valve, if the difference that the indoor environment temperature sets temperature with described second is more than temperature difference threshold
Value, then control blower fan to be run according to Setting pattern, until detect the indoor environment temperature sets temperature with described second
Difference is less than or equal to the temperature difference threshold, and control blower fan is out of service.
Preferably, methods described also includes：
In a heating mode, if the cold surface temperature is more than the indoor environment temperature, capillary network heat is opened
Water valve, until detecting the cold surface temperature less than or equal to the indoor environment temperature, closes capillary network hot water valve.
Preferably, methods described also includes：
Under anti-freezing pattern, if the indoor environment temperature is less than the anti-frost protection low temperature threshold of setting, opens and supply
Warm valve；If the indoor temperature is more than anti-frost protection high temperature threshold value, heating valve is closed.
A kind of dew-point temperature control device, described device includes：
Onboard temperature sensor, for obtaining indoor environment temperature in real time；
Onboard humidity sensor, for obtaining indoor environment humidity in real time；
External temp sensor, for obtaining cold surface environment temperature in real time；
Capillary network cold valves, for opening capillary network SAPMAC method system；
Temperature setting unit, the first setting temperature needed for for making user set refrigeration；
Mode selecting unit, for making user carry out model selection；
Control unit, for calculating dew-point temperature according to the indoor environment temperature and indoor environment humidity, and in system
Under chill formula, when the indoor environment humidity is more than or equal to the first humidity threshold, blower fan dehumidifying is opened until the interior
Ambient humidity is less than the first design temperature less than the second humidity threshold or the indoor environment temperature, closes blower fan, and described the
Two humidity thresholds are less than first humidity threshold；When the indoor environment humidity is less than the first humidity threshold, according to described
Indoor environment temperature, the first temperature return difference compensation interval, described dew-point temperature and the cold surface temperature, control capillary network are cold
Water valve and blower fan are turned on and off, and to adjust indoor environment temperature, to be maintained at the first temperature return difference compensation interval, and described the
It is (T1- △ T1, T1+ △ T1) that the compensation of one temperature return difference is interval, wherein, the T1 is first to set temperature, and the △ T1 are the
One offset.
Preferably, described control unit is detected when the indoor environment temperature compensates interval more than the first temperature return difference
Whether the cold surface temperature is less than condensation risk threshold value with the difference of the dew-point temperature；If it is, opening capillary network
Cold valves simultaneously control blower fan to be run according to Setting pattern；Otherwise, control blower fan is according to setting model running；In the indoor environment
When temperature compensates interval less than the first temperature return difference, capillary network cold valves are closed, and control blower fan to be run according to Setting pattern
Or close blower fan.
Preferably, described control unit, is additionally operable in cooling mode, close and supply dim valve；In a heating mode, the room
When interior environment temperature compensates interval less than the second temperature return difference, open and supply dim valve；It is more than institute in the indoor environment temperature
When stating second temperature return difference compensation interval, close and supply dim valve, the second temperature return difference compensation is interval for (T2- △ T2, T2+ △
T2), wherein, the T2 be second set temperature, the △ T2 be the second offset.
Preferably, described control unit, is additionally operable to when opening for dim valve, if the indoor environment temperature and described the
Two differences for setting temperature are more than temperature difference threshold, then control blower fan to be run according to Setting pattern, until detecting the indoor ring
The difference that border temperature sets temperature with described second is less than or equal to the temperature difference threshold.
Preferably, described control unit, is additionally operable in a heating mode, if the cold surface temperature is more than the interior
Environment temperature, then open capillary network hot water valve, until the cold surface temperature is less than or equal to the indoor environment temperature, closes
Close capillary network hot water valve.
Preferably, described control unit, is additionally operable under anti-freezing pattern, if the indoor environment temperature is less than setting
Anti-frost protection low temperature threshold, then open heating valve；If the indoor temperature is more than anti-frost protection high temperature threshold value, heating is closed
Valve.
The dew-point temperature control method and device that the present invention is provided, not only real-time detection indoor environment temperature and indoor environment
Humidity, but also the cold surface temperature of real-time detection, and dew-point temperature is calculated according to indoor environment temperature and indoor environment humidity；
Under refrigeration mode, if indoor environment humidity is more than or equal to the first humidity threshold, blower fan dehumidifying is only opened, until the room
Interior ambient humidity is less than the first design temperature less than the second humidity threshold or the indoor environment temperature, closes blower fan, so that
Efficiently avoid indoor environment humidity it is larger in the case of capillary network condensation risk；If indoor environment humidity is less than the
One humidity threshold, then according to indoor environment temperature, interval the first temperature return difference compensation, dew-point temperature and cold surface temperature, control
Capillary network cold valves and blower fan are turned on and off, and the first temperature return difference compensating basin is maintained to adjust indoor environment temperature
Between.Therefore, even on the premise of ambient humidity meets and requires indoors, further according to dew-point temperature and cold surface temperature come
Decide whether to open capillary network cold valves, effectively prevent capillary network condensation, and do not interfere with hot and humid environment
Under refrigeration demand.
Further, it is also possible to apply the invention to application ring that capillary network refrigeration system and ground-warming system coexist
Border, correspondingly, in the case of such an application, user can be selected individually to be heated using ground-warming system as needed, also may be used
Add blower fan auxiliary heating mode with using floor heating, improve the radiation efficiency of floor heating.
Further, it is also possible to apply the invention to capillary network refrigeration, the application that coexists of heating system and ground-warming system
Environment, correspondingly, in this applied environment, in a heating mode, if cold surface temperature is more than indoor environment temperature, may be used also
To open capillary network hot water valve simultaneously, the comfortableness of indoor environment is improved.
Brief description of the drawings
Fig. 1 is a kind of dew-point temperature control method of the present invention flow chart in cooling mode；
Fig. 2 is a kind of dew-point temperature control method of the present invention flow chart in a heating mode；
Fig. 3 is a kind of structural representation of dew-point temperature control device of the present invention.
Specific embodiment
In order that those skilled in the art more fully understand the scheme of the embodiment of the present invention, below in conjunction with the accompanying drawings and implement
Mode is described in further detail to the embodiment of the present invention.
As shown in figure 1, be a kind of dew-point temperature control method of the present invention flow chart in cooling mode, including following step
Suddenly：
Step 101, real-time detection indoor environment temperature, indoor environment humidity, cold surface temperature, and according to the indoor ring
Border temperature and indoor environment humidity calculate dew-point temperature.
The indoor environment temperature, indoor environment humidity, cold surface temperature specifically can by corresponding sensor come
Arrive, the cold surface temperature refers to the environment temperature outside capillary network.
The dew-point temperature refer to air under the conditions of moisture content and air pressure are all immovable, be cooled to temperature during saturation
Degree.Figuratively, it is exactly temperature when vapor in air is changed into dewdrop.When steam has reached saturation in air, gas
Temperature is identical with dew-point temperature；When steam is not up to saturation, temperature is higher than necessarily dew-point temperature.So the difference of dew point and temperature
Degree of the steam in air apart from saturation can be represented.Calculating for dew-point temperature can be using calculating conventional in the prior art
Formula, no longer describes in detail herein.
Step 102, starts refrigeration mode.
Whether step 103, judge the indoor environment humidity more than or equal to the first humidity threshold；If it is, performing
Step 104；Otherwise perform step 107.
Step 104, opens blower fan dehumidifying.
Specifically, if user is provided with wind speed, according to the blast velocity control fan operation speed that user is set；If with
Family is not provided with wind speed, i.e. wind speed for automatic mode, then can be according to the indoor environment humidity and first humidity threshold
Difference controls fan operation speed.Such as, difference is bigger, and wind speed is higher.Certainly, in the case where wind speed is automatic mode, it is also possible to control
Blower fan processed is operated according to acquiescence wind speed, and this embodiment of the present invention is not limited.
Step 105, judges indoor environment humidity less than the second humidity threshold or indoor environment temperature less than the first setting
Temperature, wherein, second humidity threshold is less than first humidity threshold；If it is, performing step 106；Otherwise, return
Step 105.
Step 106, closes blower fan；It is then back to step 103.
Step 107, interval, described dew-point temperature and described is compensated according to the indoor environment temperature, the first temperature return difference
Cold surface temperature, control capillary network cold valves and blower fan are turned on and off, and described the is maintained to adjust indoor environment temperature
The compensation of one temperature return difference is interval.
Wherein, it is (T1- △ T1, T1+ △ T1) that the first temperature return difference compensation is interval, and T1 is the first setting temperature, △
T1 is the first offset.It should be noted that the first setting temperature refers to the indoor temperature that user expects to reach, such as 25
℃.The △ T1 can be system default value, it is also possible to be set according to individual demand by user, to this embodiment of the present invention
Do not limit.
In embodiments of the present invention, the compensation of temperature return difference is employed interval, will the interval conduct of temperature return difference compensation
Between temperature hold zone, if indoor environment temperature is between the temperature hold zone, capillary network cold valves and blower fan are not changed
Current state, can avoid capillary network cold valves from continually being opened and closed up and down in the first setting temperature that user is set,
Extend the service life of capillary network cold valves.
Specifically, if the indoor environment temperature compensates interval more than the first temperature return difference, the cold surface is detected
Whether temperature is less than condensation risk threshold value with the difference of the dew-point temperature (such as, the threshold value could be arranged to 2-7 DEG C)；If
It is then to open capillary network cold valves and control blower fan to be run according to Setting pattern；Otherwise, control blower fan is transported according to model is set
OK.If the indoor environment temperature compensates interval less than the first temperature return difference, capillary network cold valves are closed, and control wind
Machine runs or closes blower fan according to Setting pattern.
It should be noted that the indoor environment temperature refers to more than the first temperature more than the first temperature return difference compensation interval
The interval higher limit of return difference compensation, such as it is (24 DEG C, 26 DEG C) that the first temperature return difference compensation is interval, then the indoor environment temperature
Refer to that indoor environment temperature is more than 26 DEG C more than the first temperature return difference compensation interval；Equally, the indoor environment temperature is less than the
One temperature return difference compensation interval refers to the lower limit interval less than the compensation of the first temperature return difference, such as the first temperature return difference compensating basin
Between be (24 DEG C, 26 DEG C), then the indoor environment temperature less than the first temperature return difference compensation interval refers to small indoor environment temperature
In 24 DEG C.
In addition, it is necessary to illustrate, the control blower fan includes in the following manner according to Setting pattern operation：
If user is provided with wind speed, according to the blast velocity control fan operation speed that user is set；
If user is not provided with wind speed, controlled according to the difference that the indoor environment temperature sets temperature with described first
Fan operation speed, certainly, in this case, blower fan can also be using acquiescence wind speed operation.
The dew-point temperature control method that the present invention is provided, not only real-time detection indoor environment temperature and indoor environment humidity,
But also the cold surface temperature of real-time detection, and dew-point temperature is calculated according to indoor environment temperature and indoor environment humidity；In refrigeration
Under pattern, if indoor environment humidity is more than or equal to the first humidity threshold, blower fan dehumidifying is only opened, until the indoor ring
Border humidity is less than the first design temperature less than the second humidity threshold or the indoor environment temperature, blower fan is closed, so that effectively
Avoid indoor environment humidity it is larger in the case of capillary network condensation risk；If indoor environment humidity is wet less than first
Degree threshold value, then according to indoor environment temperature, interval the first temperature return difference compensation, dew-point temperature and cold surface temperature, control capillary
Pipe network cold valves and blower fan are turned on and off, and the first temperature return difference compensation interval is maintained to adjust indoor environment temperature.
Therefore, even on the premise of ambient humidity meets requirement indoors, further being determined according to dew-point temperature and cold surface temperature
It is fixed whether to open capillary network cold valves, capillary network condensation is effectively prevent, and do not interfere with hot and humid environment
Refrigeration demand.
The method of the embodiment of the present invention is applied to capillary network cold emission system, by monitoring indoor environment temperature and wet
Degree, calculates air dew point temperature, and monitor indoor cold surface temperature simultaneously, it is ensured that in capillary network radiative surface temperature
Water route is closed when close to dew-point temperature, effectively protects capillary network cold emission surface not condense, while Indoor Temperature can be made
Degree meets refrigeration demand.
The present invention can be applied not only to capillary network cold emission system, but also can further apply capillary network
Cold emission system and ground heating system, realize to jointly controlling that capillary network refrigeration and floor heating are heated.Correspondingly, in this application
In, in cooling mode, in addition to according to the Row control capillary network cold valves and blower fan shown in Fig. 1, in addition it is also necessary to close and supply
Dim valve；In a heating mode, can set temperature according to indoor environment temperature and user to be turned on and off the valve that heats.Specifically
Ground, if the indoor environment temperature compensates interval less than the second temperature return difference, opens and supplies dim valve；If the interior
Environment temperature compensates interval more than the second temperature return difference, then close and supply dim valve, and the second temperature return difference compensation interval is
(T2- △ T2, T2+ △ T2), wherein, the T2 is the second setting temperature, and the △ T2 are the second offset.Equally, second set
It refers to the indoor temperature that user expects to reach, such as 21 DEG C to put temperature T2.The △ T1 can be system default value, it is also possible to by
User is set according to individual demand, and this embodiment of the present invention is not limited.
In addition, the radiation efficiency in order to increase ground heating system, in another embodiment of the inventive method, can also open
Open during for dim valve, if the difference that the indoor environment temperature sets temperature with described second is more than temperature difference threshold (such as 6 DEG C),
Then control blower fan runs according to Setting pattern, until detecting the difference that the indoor environment temperature sets temperature with described second
Less than or equal to the temperature difference threshold, control blower fan is out of service.
If the control blower fan refers to user according to Setting pattern operation there is provided wind speed, according to the wind that user is set
Speed control fan operation speed；If user is not provided with wind speed, can be set with described second according to the indoor environment temperature
The difference control fan operation speed of temperature is put, or control blower fan runs according to acquiescence wind speed.
Further, present invention can also apply to the system that capillary network has cold emission and heat radiation concurrently, specifically, can
Corresponding cold emission system and thermal radiation system are opened to pass through capillary network cold valves and capillary network hot water valve respectively.When
So, it would however also be possible to employ double-direction single-flow valve opens corresponding cold emission system and thermal radiation system, and this embodiment of the present invention is not done
Limit.
As shown in Fig. 2 being a kind of stream of the dew-point temperature control method of the present invention under heating mode under this applied environment
Cheng Tu, comprises the following steps：
Step 201, real-time detection indoor environment temperature, indoor environment humidity, cold surface temperature, and according to the indoor ring
Border temperature and indoor environment humidity calculate dew-point temperature.
Step 202, starts heating mode.
Step 203, judges whether the indoor environment temperature compensates interval less than the second temperature return difference；If it is,
Then perform step 204；Otherwise, return to step 203.
It is (T2- △ T2, T2+ △ T2) that the second temperature return difference compensation is interval, wherein, the T2 is the second setting temperature
Degree, the △ T2 are the second offset.
Step 204, opens heating valve, so that ground heating system works.
Step 205, judges that whether the indoor environment temperature sets the difference of temperature more than temperature difference threshold with described second；
If it is, performing step 206；Otherwise, step 208 is performed.
Step 206, control blower fan runs according to Setting pattern, until the difference of indoor environment temperature and the second setting temperature
Less than or equal to temperature difference threshold, blower fan is closed.Then step 209 is performed.
Whether step 207, judge the cold surface temperature more than the indoor environment temperature；If it is, performing step
208；Otherwise, step 209 is performed.
Step 208, opens capillary network hot water valve, until the cold surface temperature is less than or equal to the indoor environment temperature
Degree, closes capillary network hot water valve.Then step 209 is performed.
Step 209, judges whether indoor environment temperature compensates interval more than the second temperature return difference；If it is, holding
Row step 210；Otherwise return to step 203.
Step 210, closes heating valve.It is then back to step 203.
It can be seen that, the method for the embodiment of the present invention can be applied not only to capillary network refrigeration system, apply also for capillary
Applied environment that net refrigeration system and ground-warming system coexist and capillary network cold-heating system and ground-warming system coexist
Applied environment, can according to indoor environment temperature, user set temperature and cold surface temperature, in a heating mode, there is choosing
Open blower fan and capillary network hot water valve with selecting, improve the high efficiency of heating and the validity of energy ezpenditure, and improve room ring
The comfortableness in border.
Further, in another embodiment of the inventive method, heating can also be automatically controlled according to indoor environment temperature
Valve is turned on and off.Such as, under anti-freezing pattern, if the indoor environment temperature is less than the anti-frost protection low temperature threshold of setting
(such as 5 DEG C), then open heating valve；If the indoor temperature is more than anti-frost protection high temperature threshold value (such as 7 DEG C), closes and supply
Warm valve.
Correspondingly, the present invention also provides a kind of dew-point temperature control device, as shown in figure 3, being a kind of structure of the device
Schematic diagram.
Onboard temperature sensor, for obtaining indoor environment temperature in real time；
Onboard humidity sensor, for obtaining indoor environment humidity in real time；
External temp sensor, for obtaining cold surface environment temperature in real time；
Capillary network cold valves, for opening capillary network SAPMAC method system；
Temperature setting unit, the first setting temperature needed for for making user set refrigeration；
Mode selecting unit, for making user carry out model selection, such as, and refrigeration mode, heating mode, anti-freezing pattern
Deng；
Control unit, for calculating dew-point temperature according to the indoor environment temperature and indoor environment humidity, and in system
Under chill formula, when the indoor environment humidity is more than or equal to the first humidity threshold, blower fan dehumidifying is opened until the interior
Ambient humidity is less than the first design temperature less than the second humidity threshold or the indoor environment temperature, closes blower fan, and described the
Two humidity thresholds are less than first humidity threshold；When the indoor environment humidity is less than the first humidity threshold, according to described
Indoor environment temperature, the first temperature return difference compensation interval, described dew-point temperature and the cold surface temperature, control capillary network are cold
Water valve and blower fan are turned on and off, and to adjust indoor environment temperature, to be maintained at the first temperature return difference compensation interval, and described the
It is (T1- △ T1, T1+ △ T1) that the compensation of one temperature return difference is interval, wherein, the T1 is first to set temperature, and the △ T1 are the
One offset.Specifically, described control unit is detected when the indoor environment temperature compensates interval more than the first temperature return difference
Whether the cold surface temperature is less than condensation risk threshold value with the difference of the dew-point temperature；If it is, opening capillary network
Cold valves G1 simultaneously controls blower fan to be run according to Setting pattern；Otherwise, control blower fan is according to setting model running；In the indoor ring
When border temperature compensates interval less than the first temperature return difference, capillary network cold valves G1 is closed, and control blower fan according to Setting pattern
Blower fan is closed in operation.
The dew-point temperature control device that the present invention is provided, not only real-time detection indoor environment temperature and indoor environment humidity,
But also the cold surface temperature of real-time detection, and dew-point temperature is calculated according to indoor environment temperature and indoor environment humidity；In refrigeration
Under pattern, if indoor environment humidity is more than or equal to the first humidity threshold, blower fan dehumidifying is only opened, until the indoor ring
Border humidity is less than the first design temperature less than the second humidity threshold or the indoor environment temperature, blower fan is closed, so that effectively
Avoid indoor environment humidity it is larger in the case of capillary network condensation risk；If indoor environment humidity is wet less than first
Degree threshold value, then according to indoor environment temperature, interval the first temperature return difference compensation, dew-point temperature and cold surface temperature, control capillary
Pipe network cold valves and blower fan are turned on and off, and the first temperature return difference compensation interval is maintained to adjust indoor environment temperature.
Therefore, even on the premise of ambient humidity meets requirement indoors, further being determined according to dew-point temperature and cold surface temperature
It is fixed whether to open capillary network cold valves, capillary network condensation is effectively prevent, and do not interfere with hot and humid environment
Refrigeration demand.
The device of the embodiment of the present invention is applied to capillary network cold emission system, by monitoring indoor environment temperature and wet
Degree, calculates air dew point temperature, and monitor indoor cold surface temperature simultaneously, it is ensured that in capillary network radiative surface temperature
Water route is closed when close to dew-point temperature, effectively protects capillary network cold emission surface not condense, while Indoor Temperature can be made
Degree meets refrigeration demand.
Apparatus of the present invention can be applied not only to capillary network cold emission system, but also can further apply capillary
Pipe network cold emission system and ground heating system, realize to jointly controlling that capillary network refrigeration and floor heating are heated.Correspondingly, this
In, in cooling mode, described control unit needs to close and supplies dim valve；In a heating mode, described control unit can be with
Temperature is set according to indoor environment temperature and user to be turned on and off the valve that heats.Specifically, if the indoor environment temperature
Compensate interval less than the second temperature return difference, then described control unit is opened and supplies dim valve G3；If the indoor environment temperature
Compensate interval more than the second temperature return difference, then close and supply dim valve G3, it is (T2- △ that the second temperature return difference compensation is interval
T2, T2+ △ T2), wherein, the T2 is the second setting temperature, and the △ T2 are the second offset.Equally, second temperature is set
T2 refers to the indoor temperature that user expects to reach, such as 21 DEG C.The △ T1 can be system default value, it is also possible to by user's root
Set according to individual demand, this embodiment of the present invention is not limited.
In addition, the radiation efficiency in order to increase ground heating system, in another embodiment of apparatus of the present invention, the control is single
Unit can also detect whether the indoor environment temperature is more than with the difference of the described second setting temperature when opening for dim valve G3
Temperature difference threshold (such as 6 DEG C), if it is, control blower fan runs according to Setting pattern, until detecting the indoor environment temperature
Spend the difference that temperature is set with described second and be less than or equal to the temperature difference threshold, control blower fan is out of service.
Further, apparatus of the present invention can also be applied to the system that capillary network has cold emission and heat radiation concurrently, you can
Corresponding cold emission system and thermal radiation system are opened to pass through capillary network cold valves and capillary network hot water valve respectively.When
So, it would however also be possible to employ double-direction single-flow valve opens corresponding cold emission system and thermal radiation system, and this embodiment of the present invention is not done
Limit.Correspondingly, in this applications, described control unit is additionally operable in a heating mode, if the cold surface temperature is big
In the indoor environment temperature, then capillary network hot water valve G2 is opened, until the cold surface temperature is less than or equal to the room
Interior environment temperature, closes capillary network hot water valve G2.
Further, in another embodiment, apparatus of the present invention also have antifreeze function, the system Working mould of user's selection
Formula can have：Refrigeration mode, heating mode, anti-freezing pattern.
Under anti-freezing pattern, if the indoor environment temperature is less than the anti-frost protection low temperature threshold of setting, the control
Unit processed automatically turns on heating valve G3；If the indoor temperature is more than anti-frost protection high temperature threshold value, described control unit is certainly
It is dynamic to close heating valve G3.
The dew-point temperature control device of the embodiment of the present invention, can be actually needed according to user, carry out customizing functions, realize
To being uniformly controlled for the temperature of the multiple systems of Dan Leng, single heat, or cold-heat compatible, connect in capillary network water route and dew-point temperature
When near, water route is closed, under summer high temperature high humidity environment, blower fan dehumidifying can be automatically turned on, close capillary network.Dehumidifying is completed
After be then turned on capillary network cooling system；When heating in the winter time, when the temperature difference is big, while opening floor heating and capillary
Net system heating, when temperature is close, only opens floor heating and maintains room temperature.The dew-point temperature control device of the embodiment of the present invention
The control mode that can be taken various forms, fully meets the application demand of user individual, and can effectively improve temperature
The compatibility of device is controlled, reduces cost lifts Consumer's Experience.
The embodiment of the present invention is described in detail above, specific embodiment used herein is carried out to the present invention
Illustrate, the explanation of above example is only intended to help and understands the method for the present invention and system；Simultaneously for the one of this area
As technical staff, according to thought of the invention, will change in specific embodiments and applications, to sum up institute
State, this specification content should not be construed as limiting the invention.
Claims (14)
1. a kind of dew-point temperature control method, it is characterised in that including：
Real-time detection indoor environment temperature, indoor environment humidity, cold surface temperature, and according to the indoor environment temperature and interior
Ambient humidity calculates dew-point temperature；
In cooling mode,
If the indoor environment humidity is more than or equal to the first humidity threshold, blower fan dehumidifying is only opened, until the interior
Ambient humidity is less than the first design temperature less than the second humidity threshold or the indoor environment temperature, closes blower fan, and described the
Two humidity thresholds are less than first humidity threshold；
If the indoor environment humidity is less than the first humidity threshold, according to the indoor environment temperature, the first temperature return difference
Compensation interval, described dew-point temperature and the cold surface temperature, control capillary network cold valves and blower fan are turned on and off, to adjust
Section indoor environment temperature is maintained at the first temperature return difference compensation interval, and it is (T1- △ that the first temperature return difference compensation is interval
T1, T1+ △ T1), wherein, the T1 is the first setting temperature, and the △ T1 are the first offset.
2. method according to claim 1, it is characterised in that described to be returned according to the indoor environment temperature, the first temperature
Difference compensation interval, described dew-point temperature and the cold surface temperature, control capillary network cold valves and blower fan are turned on and off bag
Include：
If the indoor environment temperature compensates interval more than the first temperature return difference, the cold surface temperature and the dew are detected
Whether the difference of point temperature is less than condensation risk threshold value；If it is, opening capillary network cold valves and controlling blower fan according to setting
Put mode operation；Otherwise, control blower fan is according to setting model running；
If the indoor environment temperature compensates interval less than the first temperature return difference, capillary network cold valves are closed, and control
Blower fan runs or closes blower fan according to Setting pattern.
3. method according to claim 2, it is characterised in that the control blower fan includes according to Setting pattern operation：
If user is provided with wind speed, according to the blast velocity control fan operation speed that user is set；
If user is not provided with wind speed, blower fan is controlled according to the difference that the indoor environment temperature sets temperature with described first
The speed of service.
4. method according to claim 1, it is characterised in that the unlatching blower fan dehumidifying also includes：
If user is provided with wind speed, according to the blast velocity control fan operation speed that user is set；
If user is not provided with wind speed, according to acquiescence blast velocity control fan operation speed, or according to the indoor environment humidity
Difference with first humidity threshold controls fan operation speed.
5. the method according to any one of Claims 1-4, it is characterised in that methods described also includes：
In cooling mode, close and supply dim valve；
In a heating mode, if the indoor environment temperature compensates interval less than the second temperature return difference, open for dim
Valve；If the indoor environment temperature compensates interval more than the second temperature return difference, close and supply dim valve, the second temperature
It is (T2- △ T2, T2+ △ T2) that return difference compensation is interval, wherein, the T2 is the second setting temperature, and the △ T2 are the second compensation
Value.
6. method according to claim 5, it is characterised in that methods described also includes：
Open during for dim valve, if the difference that the indoor environment temperature sets temperature with described second is more than temperature difference threshold,
Control blower fan runs according to Setting pattern, until it is small with the difference of the described second setting temperature to detect the indoor environment temperature
In or equal to the temperature difference threshold, control blower fan out of service.
7. method according to claim 6, it is characterised in that methods described also includes：
In a heating mode, if the cold surface temperature is more than the indoor environment temperature, capillary network hot water valve is opened,
Until detecting the cold surface temperature less than or equal to the indoor environment temperature, capillary network hot water valve is closed.
8. method according to claim 5, it is characterised in that methods described also includes：
Under anti-freezing pattern, if the indoor environment temperature is less than the anti-frost protection low temperature threshold of setting, heating valve is opened；
If the indoor temperature is more than anti-frost protection high temperature threshold value, heating valve is closed.
9. a kind of dew-point temperature control device, it is characterised in that described device includes：
Onboard temperature sensor, for obtaining indoor environment temperature in real time；
Onboard humidity sensor, for obtaining indoor environment humidity in real time；
External temp sensor, for obtaining cold surface environment temperature in real time；
Capillary network cold valves, for opening capillary network SAPMAC method system；
Temperature setting unit, the first setting temperature needed for for making user set refrigeration；
Mode selecting unit, for making user carry out model selection；
Control unit, for calculating dew-point temperature according to the indoor environment temperature and indoor environment humidity, and in refrigeration mould
Under formula, when the indoor environment humidity is more than or equal to the first humidity threshold, blower fan dehumidifying is opened until the indoor environment
Humidity is less than the first design temperature less than the second humidity threshold or the indoor environment temperature, closes blower fan, and described second is wet
Degree threshold value is less than first humidity threshold；When the indoor environment humidity is less than the first humidity threshold, according to the interior
Environment temperature, the first temperature return difference compensation interval, described dew-point temperature and the cold surface temperature, control capillary network cold valves
And blower fan is turned on and off, the first temperature return difference compensation interval, first temperature are maintained to adjust indoor environment temperature
Degree return difference compensation interval is (T1- △ T1, T1+ △ T1), wherein, the T1 sets temperature for first, and the △ T1 are the first benefit
Repay value.
10. device according to claim 9, it is characterised in that
Described control unit detects the cold surface temperature when the indoor environment temperature compensates interval more than the first temperature return difference
Whether the difference with the dew-point temperature is spent less than condensation risk threshold value；If it is, opening capillary network cold valves and controlling
Blower fan runs according to Setting pattern；Otherwise, control blower fan is according to setting model running；First is less than in the indoor environment temperature
When the compensation of temperature return difference is interval, capillary network cold valves are closed, and control blower fan that blower fan is run or closed according to Setting pattern.
11. device according to claim 9 or 10, it is characterised in that
Described control unit, is additionally operable in cooling mode, close and supply dim valve；In a heating mode, the indoor environment temperature
When compensating interval less than the second temperature return difference, open and supply dim valve；It is more than the second temperature in the indoor environment temperature
When return difference compensation is interval, closes and supply dim valve, it is (T2- △ T2, T2+ △ T2) that the second temperature return difference compensation is interval, wherein, institute
T2 is stated for second sets temperature, the △ T2 are the second offset.
12. devices according to claim 11, it is characterised in that
Described control unit, is additionally operable to when opening for dim valve, if the indoor environment temperature sets temperature with described second
Difference be more than temperature difference threshold, then control blower fan according to Setting pattern run, until detecting the indoor environment temperature and institute
The difference for stating the second setting temperature is less than or equal to the temperature difference threshold.
13. devices according to claim 12, it is characterised in that
Described control unit, is additionally operable in a heating mode, if the cold surface temperature is more than the indoor environment temperature,
Capillary network hot water valve is opened, until the cold surface temperature is less than or equal to the indoor environment temperature, capillary network is closed
Hot water valve.
14. devices according to claim 11, it is characterised in that
Described control unit, is additionally operable under anti-freezing pattern, if the indoor environment temperature is low less than the anti-frost protection of setting
Warm threshold value, then open heating valve；If the indoor temperature is more than anti-frost protection high temperature threshold value, heating valve is closed.
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| CN201611248751.0A CN106765967A (en) | 2016-12-29 | 2016-12-29 | A kind of dew-point temperature control method and device |
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| CN112863713B (en) * | 2021-01-15 | 2022-02-11 | 中国核动力研究设计院 | Primary loop gas humidity measuring circuit for high-temperature gas cooled reactor |
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| CN115127202A (en) * | 2022-07-06 | 2022-09-30 | 深圳嘉力达节能科技有限公司 | Control method for adjusting indoor temperature and humidity based on dew point temperature |
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