CN106871419A - Fan coil units and its condensation prevention control method and device - Google Patents
Fan coil units and its condensation prevention control method and device Download PDFInfo
- Publication number
- CN106871419A CN106871419A CN201710076933.2A CN201710076933A CN106871419A CN 106871419 A CN106871419 A CN 106871419A CN 201710076933 A CN201710076933 A CN 201710076933A CN 106871419 A CN106871419 A CN 106871419A
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- Prior art keywords
- fan coil
- coil units
- control
- condensation
- control valve
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/22—Means for preventing condensation or evacuating condensate
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/22—Means for preventing condensation or evacuating condensate
- F24F2013/221—Means for preventing condensation or evacuating condensate to avoid the formation of condensate, e.g. dew
Abstract
The invention discloses a kind of fan coil units and its condensation prevention control method and device, the fan coil units include being arranged on the control valve of fan coil water inlet, the described method comprises the following steps:Fan coil units in a chiller mode and low wind shelves operation when, judge whether to need to carry out anti-condensation control to fan coil units;If it is required, then first control control valve is closed, and judge whether control valve is in the completely closed state;If control valve is in the completely closed state, whether after the Preset Time of time delay first, then control valve is opened, and judge control valve in fully open state;If control valve is in fully open state, then after the Preset Time of time delay second, judge whether to need again to carry out anti-condensation control to fan coil units, repeat, until fan coil units exit refrigeration mode such that it is able to effectively prevent fan coil units from producing condensation when running.
Description
Technical field
The present invention relates to air-conditioning technical field, more particularly to a kind of condensation prevention control method of fan coil units, one kind
The anti-condensation control device of fan coil units and a kind of fan coil units with the device.
Background technology
Fan coil is the preferable end prod of central air-conditioning, by heat exchanger, water pipe, and filter, fan, drip tray,
Air bleeding valve, support etc. are constituted, and its operation principle is the air of room or outdoor where constantly being recycled in fan coil units,
It is cooled (heating) after bypassing air through cold water (hot water) coil pipe, to keep the constant of room temperature.When fan coil is in high temperature
In the adverse circumstances such as high humidity, when keeping low wind refrigerating operaton for a long time, it is easy to produce condensation water, it is commonly called as sweating.
In correlation technique, using the method for insulation, such as stick on flannelette in the position for being also easy to produce condensation water, to prevent to coagulate
Dew phenomenon.But, if flannelette is not adjacent to, after contacting external air, condensation water can be produced on tube wall, wet heat-preservation cotton is steeped, make
Obtain condensation further to deteriorate, in turn result in very serious consequence.
The content of the invention
It is contemplated that at least solving one of technical problem in correlation technique to a certain extent.
Therefore, it is an object of the present invention to propose a kind of condensation prevention control method of fan coil units, by right
The control valve of fan coil water inlet is controlled such that it is able to effectively prevent from being produced during the low wind refrigerating operaton of fan coil units
Condensation.
It is another object of the present invention to the anti-condensation control device for proposing a kind of fan coil units.
A further object of the present invention is to propose a kind of fan coil units.
To achieve the above object, one aspect of the present invention embodiment proposes a kind of anti-condensation controlling party of fan coil units
Method, the fan coil units include being arranged on the control valve of fan coil water inlet, the described method comprises the following steps:
S1, the fan coil units in a chiller mode and low wind shelves operation when, judge whether need to the fan coil units
Carry out anti-condensation control;S2, when needing to carry out anti-condensation control to the fan coil units, first controls the control valve to close
Close, and judge whether the control valve is in the completely closed state;S3, if the control valve is in the completely closed state,
After the Preset Time of time delay first, then control the control valve to open, and judge the control valve whether in fully opening shape
State;S4, if the control valve is in fully open state, after the Preset Time of time delay second, judges whether needs again
Anti-condensation control is carried out to the fan coil units, step S2-S3 is repeated, until the fan coil units exit institute
State refrigeration mode.
The condensation prevention control method of fan coil units according to embodiments of the present invention, in fan coil units with the mould that freezes
When formula and the shelves operation of low wind, judge whether to need to carry out anti-condensation control to fan coil units.If it is required, then first control control
Valve processed is closed, and judges whether control valve is in the completely closed state.If control valve is in the completely closed state, in time delay
Whether after the first Preset Time, then control valve is opened, and judge control valve in fully open state.If control valve is complete
Full open, then after the Preset Time of time delay second, judge whether to need to carry out fan coil units anti-condensation control again, weight
It is multiple to perform, until fan coil units exit refrigeration mode such that it is able to effectively prevent the low wind refrigerating operaton of fan coil units
When produce condensation.
According to one embodiment of present invention, when the water inlet pipe temperature of the fan coil is more than the first preset temperature, sentence
The disconnected control valve is in the completely closed state;When the water inlet pipe temperature of the fan coil is less than the second preset temperature, judge
The control valve is in fully open state.
According to one embodiment of present invention, it is described to judge whether to need to carry out anti-condensation control to the fan coil units
System, including:Whether current indoor environment temperature is judged more than or equal to the 3rd preset temperature, and judges the water inlet of the fan coil
Whether Guan Wen is less than or equal to the 4th preset temperature;If the current indoor environment temperature is more than or equal to the described 3rd default temperature
The water inlet pipe temperature of degree and the fan coil is less than or equal to the 4th preset temperature, then judge to need to the fan coil
Unit carries out anti-condensation control.
According to another embodiment of the invention, it is described judge whether need the fan coil units are carried out it is anti-condensation
Control, including:Whether current indoor environment temperature is judged more than or equal to the 3rd preset temperature, and judges entering for the fan coil
Whether water pipe temperature is less than or equal to the 4th preset temperature, and judges that whether default more than or equal to first current indoor ambient humidity is wet
Degree;If the current indoor environment temperature is more than or equal to the 3rd preset temperature and the water inlet pipe temperature of the fan coil
Less than or equal to the 4th preset temperature and the current indoor ambient humidity more than or equal to the described first default humidity, then sentence
It is disconnected to need to carry out anti-condensation control to the fan coil units.
To achieve the above object, another aspect of the present invention embodiment proposes a kind of anti-condensation control of fan coil units
Device, the fan coil units include being arranged on the control valve of fan coil water inlet, and described device includes:Judge mould
Block, the judge module be used for the fan coil units in a chiller mode and low wind shelves operation when, judge whether need it is right
The fan coil units carry out anti-condensation control;Control module, the control module is connected with the judge module, the control
Molding block is used to, when the judge module judges to need to carry out anti-condensation control to the fan coil units, first control described
Control valve is closed, and judges whether the control valve is in the completely closed state, wherein, if the control valve is in closed completely
Closed state, the control module is then after the Preset Time of time delay first, then controls the control valve to open, and judges the control
Whether valve is in fully open state;If the control valve is in fully open state, after the Preset Time of time delay second,
Judge whether to need to carry out anti-condensation control to the fan coil units again by the judge module, if necessary to institute
Stating fan coil units carries out anti-condensation control, and the control module then first controls the control valve to close, repeats again,
Until the fan coil units exit the refrigeration mode.
The anti-condensation control device of fan coil units according to embodiments of the present invention, in fan coil units with the mould that freezes
When formula and the shelves operation of low wind, judge whether to need by judge module to carry out anti-condensation control to fan coil units.If needed
Will, control module then close by first control control valve, and judges whether control valve is in the completely closed state, if control valve is in
Completely closed state, then whether after the Preset Time of time delay first, then control valve is opened, and judge control valve in complete
Opening.If control valve is in fully open state, after the Preset Time of time delay second, judged again by judge module
Whether need to carry out anti-condensation control to fan coil units, repeat, until fan coil units exit refrigeration mode, from
And can effectively prevent from producing condensation during the low wind refrigerating operaton of fan coil units.
According to one embodiment of present invention, when the water inlet pipe temperature of the fan coil is more than the first preset temperature, institute
State control module and judge that the control valve is in the completely closed state;When the water inlet pipe temperature of the fan coil is preset less than second
During temperature, the control module judges that the control valve is in fully open state.
According to one embodiment of present invention, the judge module is judging whether to need to enter the fan coil units
During the anti-condensation control of row, wherein, whether the judge module judges current indoor environment temperature more than or equal to the 3rd preset temperature,
And whether the water inlet pipe temperature of the fan coil is judged less than or equal to the 4th preset temperature, wherein, if the current indoor ring
Border temperature is default less than or equal to the described 4th more than or equal to the water inlet pipe temperature of the 3rd preset temperature and the fan coil warm
Degree, the judge module then judges to need to carry out anti-condensation control to the fan coil units.
According to another embodiment of the invention, the judge module is judging whether to need to the fan coil units
When carrying out anti-condensation control, whether the judge module judges current indoor environment temperature more than or equal to the 3rd preset temperature, and
Whether the water inlet pipe temperature of the fan coil is judged less than or equal to the 4th preset temperature, and judges that current indoor ambient humidity is
It is no to be more than or equal to the first default humidity, wherein, if the current indoor environment temperature more than or equal to the 3rd preset temperature,
And the water inlet pipe temperature of the fan coil less than or equal to the 4th preset temperature and the current indoor ambient humidity more than etc.
In the described first default humidity, the judge module then judges to need to carry out anti-condensation control to the fan coil units.
Additionally, embodiments of the invention also proposed a kind of fan coil units, it includes above-mentioned fan coil units
Anti-condensation control device.
The fan coil units of the embodiment of the present invention, by above-mentioned anti-condensation control device, enter by fan coil
The control valve at the mouth of a river is controlled such that it is able to effectively prevent from producing condensation during the low wind refrigerating operaton of fan coil units.
Brief description of the drawings
Fig. 1 is the flow chart of the condensation prevention control method of fan coil units according to embodiments of the present invention;
Fig. 2 is the flow chart of the condensation prevention control method of fan coil units according to an embodiment of the invention;And
Fig. 3 is the block diagram of the anti-condensation control device of fan coil units according to embodiments of the present invention.
Specific embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from start to finish
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
It is exemplary to scheme the embodiment of description, it is intended to for explaining the present invention, and be not considered as limiting the invention.
Condensation prevention control method, the fan coil of the fan coil units of the embodiment of the present invention described with reference to the accompanying drawings
The anti-condensation control device and the fan coil units with the device of unit.
Fig. 1 is the flow chart of the condensation prevention control method of fan coil units according to embodiments of the present invention.In the present invention
Embodiment in, fan coil units may include to be arranged on the control valve of fan coil water inlet, the control valve can be two
Port valve, triple valve etc..
As shown in figure 1, the condensation prevention control method of the fan coil units may include following steps:
S1, fan coil units in a chiller mode and low wind shelves operation when, judge whether to need to fan coil units
Carry out anti-condensation control.
Specifically, when vapor reaches degree of saturation in atmosphere, air themperature is less than dew-point temperature, just occurs solidifying
Dew phenomenon.If there is substantial amounts of condensation water on fan coil units water pond and surface, dust stratification, mould can be caused to grow, outside condensation water
The problems such as drop, air quality is had a strong impact on, damage health of human body.Accordingly, it would be desirable to carry out anti-condensation control to fan coil units.
Because fan coil produces the condition of condensation to depend primarily on the temperature (water inlet pipe of fan coil of fan coil
Temperature) and dew-point temperature.Therefore, can judge whether to need to fan unit according to the water inlet pipe temperature of fan coil, indoor environment temperature
Pipe unit carries out anti-condensation control.
According to one embodiment of present invention, judge whether to need to carry out fan coil units anti-condensation control, including:
Whether current indoor environment temperature is judged more than or equal to the 3rd preset temperature, and judges whether the water inlet pipe temperature of fan coil is less than
Equal to the 4th preset temperature;If current indoor environment temperature is more than or equal to the 3rd preset temperature and the water inlet pipe of fan coil
Temperature is less than or equal to the 4th preset temperature, then judge to need to carry out anti-condensation control to fan coil units.Wherein, the 3rd default temperature
Degree and the 4th preset temperature can be demarcated according to actual conditions, for example, the 3rd preset temperature can be 27 DEG C, the 4th default temperature
Degree can be 7 DEG C.
Specifically, fan coil units in a chiller mode and low wind shelves operation when, obtained in real time by temperature sensor
Take indoor environment temperature T1, and temperature sensor or temperature-sensitive bag the acquisition blower fan by being arranged at the water inlet pipe of fan coil
Whether the water inlet pipe temperature T2 of coil pipe, then, judge T1 more than or equal to the 3rd preset temperature T10, and judge whether T2 is less than or equal to
4th preset temperature T20.If T1 >=T10(such as 27 DEG C) and T2≤the 4th preset temperature T20(such as 7 DEG C), then illustrate fan unit
Temperature in pipe is larger with the temperature difference of the temperature of indoor environment, it is easy to produce condensation, now needs to enter fan coil units
The anti-condensation control of row;Otherwise, continue normal operation, and monitor in real time T1 and T2, antifogging function is opened to meet in T1 and T2
Unlocking condition when, anti-condensation control is carried out to fan coil units.
In addition, indoor environment humidity to fan coil produce condensation there is also certain influence, e.g., indoor environment it is relative
Humidity is bigger, dew condensation phenomenon more easily occurs, and hence it is also possible to water inlet pipe temperature, indoor environment humidity according to fan coil and
Indoor environment temperature judges whether to need to carry out anti-condensation control to fan coil units.
According to a further embodiment of the invention, judge whether to need to carry out fan coil units anti-condensation control, including:
Whether current indoor environment temperature is judged more than or equal to the 3rd preset temperature, and judges whether the water inlet pipe temperature of fan coil is less than
Equal to the 4th preset temperature, and judge current indoor ambient humidity whether more than or equal to the first default humidity;If working as cup
Interior environment temperature is less than or equal to the 4th preset temperature and works as more than or equal to the water inlet pipe temperature of the 3rd preset temperature and fan coil
Preceding indoor environment humidity then judges to need to carry out anti-condensation control to fan coil units more than or equal to the first default humidity.Its
In, the first default humidity can be demarcated according to actual conditions, for example, the first default humidity can be 78%.
Specifically, fan coil units in a chiller mode and low wind shelves operation when, it is also real-time by humidity sensor
Indoor environment humidity Rh1 is obtained, or indoor environment temperature T1 and indoor environment are directly obtained by Temperature Humidity Sensor respectively
Whether humidity Rh1, then, judge T1 more than or equal to T10, whether T2 is less than or equal to T20, it is wet whether Rh1 presets more than or equal to first
Degree Rh10.If T1 >=T10(such as 27 DEG C) and T2≤T20(such as 7 DEG C) and Rh1 >=Rh10(such as 78%), then illustrate fan coil
Interior temperature is larger with the temperature difference of the temperature of indoor environment, and relative humidity is larger, it is easy to produce condensation, now needs to wind
Machine coil pipe unit carries out anti-condensation control;Otherwise, continue normal operation, and monitor in real time T1, T2 and Rh1, with T1, T2 and
When Rh1 meets the unlocking condition for opening antifogging function, anti-condensation control is carried out to fan coil units.
S2, when needing to carry out anti-condensation control to fan coil units, first control control valve is closed, and judges to control valve
It is whether in the completely closed state.
S3, if control valve is in the completely closed state, after the Preset Time of time delay first, then control valve is opened
Open, and judge control valve whether in fully open state.
S4, if control valve is in fully open state, after the Preset Time of time delay second, judges whether needs again
Anti-condensation control is carried out to fan coil units, step S2-S3 is repeated, until fan coil units exit refrigeration mode.
Wherein, the first Preset Time and the second Preset Time can be demarcated according to actual conditions, for example, first it is default when
Between can be 10min, the second Preset Time can be 30min.
Specifically, whether control valve is judged in completely closing or the mode of fully open state has various, for example, can
Realized with by changing the hardware configuration of control valve, but the high cost of which, and versatility is low;And for example, due to control valve
It is basically unchanged from closing (unlatching) to the time for completely closing (fully open), it is possible to sentenced by the way of delay time
It is disconnected;For another example, after being turned off or on due to control valve, the water inlet pipe temperature of fan coil can be varied from, and can be obtained by experiment test
Water inlet pipe temperature of the valve when completely closing and fully opening must be controlled, therefore, can be judged by the water inlet pipe temperature of fan coil.
According to one embodiment of present invention, when the water inlet pipe temperature of fan coil is more than the first preset temperature, control is judged
Valve processed is in the completely closed state;When the water inlet pipe temperature of fan coil is less than the second preset temperature, judge that control valve has been in
Full open state.Wherein, the first preset temperature and the second preset temperature can be demarcated according to actual conditions, for example, first is pre-
If temperature can be 15 DEG C, the second preset temperature can be 7 DEG C.
Specifically, after judging to need to carry out anti-condensation control to fan coil units, first control is arranged on fan unit
Control valve at water inlet tube mouthful is closed, to improve the water inlet pipe temperature of fan coil.Due to control control valve close and
Unlatching needs certain hour, so after control control valve is closed, also judging whether control valve is in the completely closed state.Due to
After control valve is closed, the water inlet pipe temperature T2 of fan coil can gradually rise, when T2 is increased to the first preset temperature (such as 15 DEG C),
Illustrate that control valve is completely closed.After control valve is completely closed, in order to ensure the comfort level of refrigeration and indoor environment, time delay
First Preset Time (such as 10min), control control valve is in opening.
After control control valve is opened, the water inlet pipe temperature T2 of fan coil can be reduced gradually, if the default temperature of T2≤the second
Degree (such as 7 DEG C), then explanation controls valve to fully open.After control valve is fully opened, the second Preset Time of time delay M (such as 30min),
Indoor environment temperature T1, the water inlet pipe temperature T2 of fan coil and indoor environment humidity Rh1 under current state, and root are obtained again
According to T1 and T2 under current state, or T1, T2 and Rh1 judge whether to need to open antifogging function.If it is required, then again
Secondary first control control valve is closed, and after control valve is completely closed, the first Preset Time of time delay N (such as 10min), control control valve is opened
Open, after control valve is fully opened, the second Preset Time of time delay M (such as 30min) ... repeats above-mentioned steps, until blower fan
Coil pipe exits refrigeration mode.
Therefore, the condensation prevention control method of fan coil units according to embodiments of the present invention, according to indoor environment temperature,
The gentle indoor environment humidity of water inlet pipe of fan coil, the state to controlling valve is controlled, so as to efficiently solve fan unit
Pipe unit produces the problem of condensation in low wind refrigerating operaton.
To make those skilled in the art be better understood upon the present invention, Fig. 2 is blower fan according to an embodiment of the invention
The flow chart of the condensation prevention control method of coil pipe unit.As shown in Fig. 2 the condensation prevention control method of the fan coil units can be wrapped
Include following steps:
S101, fan coil units are in a chiller mode and low wind shelves run.
S102, obtains the water inlet pipe temperature T2 of current indoor environment temperature T1 and fan coil in real time.
Whether S103, judge T1 more than or equal to the 3rd preset temperature T10(such as 27 DEG C), and whether T2 is pre- less than or equal to the 4th
If temperature T20(such as 7 DEG C).If it is, performing step S105;If not, performing step S104.
S104, normal operation, and continue to monitor T1 and T2.
S105, opens antifogging function.
S106, control control valve is closed.
Whether S107, judge T2 more than or equal to the first preset temperature (such as 15 DEG C).If it is, performing step S108;If
It is no, return to step S107.
S108, after continuous operation first Preset Time N minutes (such as 10min), control control valve is opened.
Whether S109, judge T2 less than or equal to the second preset temperature (such as 7 DEG C).If it is, performing step S110;If
It is no, return to step S109.
S110, continuously runs second Preset Time M minutes (such as 30min).
In sum, the condensation prevention control method of fan coil units according to embodiments of the present invention, in fan coil
When group is in a chiller mode and low wind shelves run, judge whether to need to carry out anti-condensation control to fan coil units.If desired,
Then first control control valve is closed, and judges whether control valve is in the completely closed state.If control valve is in completely closes shape
State, then whether after the Preset Time of time delay first, then control valve is opened, and judge control valve in fully open state.
If control valve is fully opened, after the Preset Time of time delay second, judge whether to need to carry out fan coil units again
Anti-condensation control, repeats, until fan coil units exit refrigeration mode such that it is able to effectively prevent fan coil units
Condensation is produced during low wind refrigerating operaton.
Fig. 3 is the block diagram of the anti-condensation control device of fan coil units according to embodiments of the present invention.At this
In inventive embodiment, fan coil units may include to be arranged on the control valve of fan coil water inlet.
As shown in figure 3, the anti-condensation control device of the fan coil units may include:Judge module 10 and control module
20。
Wherein, judge module 10 be used for fan coil units in a chiller mode and low wind shelves operation when, judge whether need
Anti-condensation control is carried out to fan coil units.Control module 20 is connected with judge module 10, and control module 20 is used to sentence
When disconnected module 10 judges to need to carry out anti-condensation control to fan coil units, first control control valve is closed, and judges to control valve
It is whether in the completely closed state, if control valve is in the completely closed state, after the Preset Time of time delay first, then control
Control valve is opened, and judges that whether control valve, in fully open state, if control valve is in fully open state, is prolonging
When the second Preset Time after, judge whether to need again by judge module 10 to carry out anti-condensation control to fan coil units,
If necessary to fan coil units are carried out with anti-condensation control, control module 20 then closed again by first control control valve, and repetition is held
OK, until fan coil units exit the refrigeration mode.
According to one embodiment of present invention, when the water inlet pipe temperature of fan coil is more than the first preset temperature, mould is controlled
Block 20 judges that control valve is in the completely closed state;When the water inlet pipe temperature of fan coil is less than the second preset temperature, mould is controlled
Block 20 judges that control valve is in fully open state.
According to one embodiment of present invention, judge module 10 judge whether to need to carry out fan coil units it is anti-condensation
During dew control, wherein, whether judge module 10 judges current indoor environment temperature more than or equal to the 3rd preset temperature, and judges wind
Whether the water inlet pipe temperature of machine coil pipe is less than or equal to the 4th preset temperature, wherein, if current indoor environment temperature is more than or equal to the
The water inlet pipe temperature of three preset temperatures and fan coil is less than or equal to the 4th preset temperature, and judge module 10 then judges to need to wind
Machine coil pipe unit carries out anti-condensation control.
According to another embodiment of the invention, judge module 10 is judging whether to need to prevent fan coil units
When condensation is controlled, wherein, whether judge module 10 judges current indoor environment temperature more than or equal to the 3rd preset temperature, and judges
Whether the water inlet pipe temperature of fan coil is less than or equal to the 4th preset temperature, and judges whether current indoor ambient humidity is more than
In the first default humidity, wherein, if current indoor environment temperature is more than or equal to the water inlet of the 3rd preset temperature and fan coil
Guan Wen is less than or equal to the 4th preset temperature and current indoor ambient humidity presets humidity, judge module more than or equal to described first
10 judgements need to carry out anti-condensation control to fan coil units.
It should be noted that what is do not disclosed in the anti-condensation control device of the fan coil units of the embodiment of the present invention is thin
Section, the details disclosed in the condensation prevention control method of the fan coil units that refer to the embodiment of the present invention, specifically here not
Repeat again.
The anti-condensation control device of fan coil units according to embodiments of the present invention, in fan coil units with the mould that freezes
When formula and the shelves operation of low wind, judge whether to need by judge module to carry out anti-condensation control to fan coil units.If needed
Will, control module then close by first control control valve, and judges whether control valve is in the completely closed state, if control valve is in
Completely closed state, then whether after the Preset Time of time delay first, then control valve is opened, and judge control valve in complete
Opening.If control valve is in fully open state, after the Preset Time of time delay second, judged again by judge module
Whether need to carry out anti-condensation control to fan coil units, repeat, until fan coil units exit refrigeration mode, from
And can effectively prevent from producing condensation during the low wind refrigerating operaton of fan coil units.
Additionally, embodiments of the invention also proposed a kind of fan coil units, it includes above-mentioned fan coil units
Anti-condensation control device.
The fan coil units of the embodiment of the present invention, by above-mentioned anti-condensation control device, enter by fan coil
The control valve at the mouth of a river is controlled such that it is able to effectively prevent from producing condensation during the low wind refrigerating operaton of fan coil units.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", D score, "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outward ", " up time
The orientation or position relationship of the instruction such as pin ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " be based on orientation shown in the drawings or
Position relationship, is for only for ease of the description present invention and simplifies description, must rather than the device or element for indicating or imply meaning
With specific orientation, with specific azimuth configuration and operation, therefore must be not considered as limiting the invention.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include at least one this feature.In the description of the invention, " multiple " is meant that at least two, such as two, three
It is individual etc., unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integrally;Can be that machinery connects
Connect, or electrically connect;Can be joined directly together, it is also possible to be indirectly connected to by intermediary, can be in two elements
The connection in portion or two interaction relationships of element, unless otherwise clearly restriction.For one of ordinary skill in the art
For, can as the case may be understand above-mentioned term concrete meaning in the present invention.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be with
It is the first and second feature directly contacts, or the first and second features are by intermediary mediate contact.And, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature are directly over second feature or oblique upper, or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is immediately below second feature or obliquely downward, or is merely representative of fisrt feature level height less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means to combine specific features, structure, material or spy that the embodiment or example are described
Point is contained at least one embodiment of the invention or example.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.And, the specific features of description, structure, material or feature can be with office
Combined in an appropriate manner in one or more embodiments or example.Additionally, in the case of not conflicting, the skill of this area
Art personnel can be tied the feature of the different embodiments or example described in this specification and different embodiments or example
Close and combine.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changes, replacing and modification.
Claims (9)
1. a kind of condensation prevention control method of fan coil units, it is characterised in that the fan coil units include being arranged on
The control valve of fan coil water inlet, the described method comprises the following steps:
S1, the fan coil units in a chiller mode and low wind shelves operation when, judge whether need to the fan coil
Unit carries out anti-condensation control;
S2, when needing to carry out anti-condensation control to the fan coil units, first controls the control valve to close, and judge institute
Whether in the completely closed state state control valve;
S3, if the control valve is in the completely closed state, after the Preset Time of time delay first, then controls the control valve
Open, and judge the control valve whether in fully open state;
S4, if the control valve is in fully open state, after the Preset Time of time delay second, judges whether needs again
Anti-condensation control is carried out to the fan coil units, step S2-S3 is repeated, until the fan coil units exit institute
State refrigeration mode.
2. the condensation prevention control method of fan coil units as claimed in claim 1, it is characterised in that
When the water inlet pipe temperature of the fan coil is more than the first preset temperature, judges that the control valve is in and completely close shape
State;
When the water inlet pipe temperature of the fan coil is less than the second preset temperature, judges that the control valve is in and fully open shape
State.
3. the condensation prevention control method of fan coil units as claimed in claim 1 or 2, it is characterised in that the judgement is
No needs carry out anti-condensation control to the fan coil units, including:
Whether current indoor environment temperature is judged more than or equal to the 3rd preset temperature, and judges the water inlet pipe temperature of the fan coil
Whether the 4th preset temperature is less than or equal to;
If the current indoor environment temperature is more than or equal to the 3rd preset temperature and the water inlet pipe temperature of the fan coil
Less than or equal to the 4th preset temperature, then judge to need to carry out anti-condensation control to the fan coil units.
4. the condensation prevention control method of fan coil units as claimed in claim 1 or 2, it is characterised in that the judgement is
No needs carry out anti-condensation control to the fan coil units, including:
Whether current indoor environment temperature is judged more than or equal to the 3rd preset temperature, and judges the water inlet pipe temperature of the fan coil
Whether the 4th preset temperature is less than or equal to, and judges current indoor ambient humidity whether more than or equal to the first default humidity;
If the current indoor environment temperature is more than or equal to the 3rd preset temperature and the water inlet pipe temperature of the fan coil
Less than or equal to the 4th preset temperature and the current indoor ambient humidity more than or equal to the described first default humidity, then sentence
It is disconnected to need to carry out anti-condensation control to the fan coil units.
5. the anti-condensation control device of a kind of fan coil units, it is characterised in that the fan coil units include being arranged on
The control valve of fan coil water inlet, described device includes:
Judge module, the judge module be used for the fan coil units in a chiller mode and low wind shelves operation when, judge
Whether need to carry out anti-condensation control to the fan coil units;
Control module, the control module is connected with the judge module, and the control module is used to sentence in the judge module
When disconnected needs carry out anti-condensation control to the fan coil units, the control valve is first controlled to close, and judge the control
Whether valve is in the completely closed state, wherein, if the control valve is in the completely closed state, the control module is then being prolonged
When the first Preset Time after, then control the control valve to open, and whether judge the control valve in fully open state, such as
Really described control valve is in fully open state, then after the Preset Time of time delay second, judged again by the judge module
Whether need to carry out anti-condensation control to the fan coil units, it is anti-condensation if necessary to be carried out to the fan coil units
Control, the control module then first controls the control valve to close again, repeats, until the fan coil units are exited
The refrigeration mode.
6. the anti-condensation control device of fan coil units as claimed in claim 5, it is characterised in that
When the water inlet pipe temperature of the fan coil is more than the first preset temperature, the control module judges that the control valve is in
Completely closed state;
When the water inlet pipe temperature of the fan coil is less than the second preset temperature, the control module judges that the control valve is in
Fully open state.
7. the anti-condensation control device of the fan coil units as described in claim 5 or 6, it is characterised in that the judgement mould
Block judge whether need anti-condensation control is carried out to the fan coil units when, wherein,
Whether the judge module judges current indoor environment temperature more than or equal to the 3rd preset temperature, and judges the fan unit
Whether the water inlet pipe temperature of pipe is less than or equal to the 4th preset temperature, wherein, if the current indoor environment temperature is more than or equal to institute
The water inlet pipe temperature of the 3rd preset temperature and the fan coil is stated less than or equal to the 4th preset temperature, the judge module
Then judge to need to carry out anti-condensation control to the fan coil units.
8. the anti-condensation control device of the fan coil units as described in claim 5 or 6, it is characterised in that the judgement mould
Block judge whether need anti-condensation control is carried out to the fan coil units when, wherein,
Whether the judge module judges current indoor environment temperature more than or equal to the 3rd preset temperature, and judges the fan unit
Whether whether the water inlet pipe temperature of pipe is less than or equal to the 4th preset temperature, and judge current indoor ambient humidity more than or equal to first
Default humidity, wherein, if the current indoor environment temperature is more than or equal to the 3rd preset temperature and the fan coil
Water inlet pipe temperature preset more than or equal to described first less than or equal to the 4th preset temperature and the current indoor ambient humidity
Humidity, the judge module then judges to need to carry out anti-condensation control to the fan coil units.
9. a kind of fan coil units, it is characterised in that including the fan coil units as any one of claim 5-8
Anti-condensation control device.
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CN201710076933.2A CN106871419B (en) | 2017-02-13 | 2017-02-13 | Fan coil units and its condensation prevention control method and device |
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CN201710076933.2A CN106871419B (en) | 2017-02-13 | 2017-02-13 | Fan coil units and its condensation prevention control method and device |
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