CN106196463A - Automatic control method and device for fan coil - Google Patents
Automatic control method and device for fan coil Download PDFInfo
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- CN106196463A CN106196463A CN201610575573.6A CN201610575573A CN106196463A CN 106196463 A CN106196463 A CN 106196463A CN 201610575573 A CN201610575573 A CN 201610575573A CN 106196463 A CN106196463 A CN 106196463A
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- temperature
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- ambient temperature
- heat supply
- preset
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- 238000000034 method Methods 0.000 title claims abstract description 42
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 144
- 238000001816 cooling Methods 0.000 claims abstract description 83
- 238000012544 monitoring process Methods 0.000 claims abstract description 67
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 abstract 1
- 238000004378 air conditioning Methods 0.000 description 7
- 238000010977 unit operation Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- 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
- F24F11/30—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
-
- 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
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/52—Indication arrangements, e.g. displays
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/65—Electronic processing for selecting an operating mode
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Atmospheric Sciences (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Signal Processing (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a method and a device for automatically controlling a fan coil. Wherein, the method comprises the following steps: setting a preset temperature, and monitoring the temperature of a water pipe of the fan coil and the ambient temperature; determining a current operation mode according to the water pipe temperature, the environment temperature and the preset temperature; and controlling the opening and closing of the water valve according to the current running mode. By applying the technical scheme of the invention, the operation mode of the air conditioner can be automatically identified, the opening and closing of the water valve are further controlled, and the problem that the operation mode of the air conditioner in the prior art cannot be automatically selected is solved, so that the mode setting selection of cooling, heating and the like can be cancelled, the mode keys on the panel are reduced, the automation degree is improved, the operation is simple, the use is convenient, and the user experience is improved.
Description
Technical field
The present invention relates to blower fan technical field, in particular to a kind of fan coil autocontrol method and device.
Background technology
Existing water system central air conditioner end air dish intelligent temperature controller is by detection ambient temperature, and by ambient temperature and pre-
If after temperature compares, the water valve controlling water lines opens and closes, and reaches to regulate the purpose of indoor temperature.
Such as, under conditions of needing cooling summer, central air-conditioning provides cold water, end wind by water pipe to end wind dish
After the start of dish unit, needing to select cooling mode, unit is run by cooling mode: water valve is opened, end wind dish unit cooling.As
Fruit detects that ambient temperature is less than preset temperature, then water valve cuts out.
Under conditions of needing heat supply winter, central air-conditioning provides hot water, end wind dish machine by water pipe to end wind dish
After group start, needing to select heat supply mode, unit is run by heat supply mode: water valve is opened, end wind dish unit heat supply.If inspection
Measure ambient temperature and be higher than preset temperature, then water valve cuts out.
Therefore, user needs to manually select cooling mode or heat supply mode after powering, if model selection is incorrect, and will
The use of air-conditioning can be affected.
The problem that cannot automatically select for prior art wind machine operational mode, the most not yet proposes effective solution party
Case.
Summary of the invention
The embodiment of the present invention provides a kind of fan coil autocontrol method and device, to solve prior art wind machine
The problem that operational mode cannot automatically select.
For solving above-mentioned technical problem, the invention provides a kind of fan coil autocontrol method, wherein, the method bag
Include: preset temperature is set, and monitors the conduit temperature of fan coil, ambient temperature；According to described conduit temperature, described environment temperature
Degree and described preset temperature, determine present mode of operation；Water valve opening and closing is controlled according to present mode of operation.
Further, described fan coil is divided into two pipes system type and four-pipe system type.
Further, if described fan coil is two pipes system type, according to described conduit temperature, described ambient temperature and
Described preset temperature, determines present mode of operation, including: if described conduit temperature ＜ sets low temperature, it is determined that currently run
Pattern is cooling mode；If described conduit temperature ＞ sets high temperature, it is determined that present mode of operation is heat supply mode；If institute
State conduit temperature >=setting low temperature, and described conduit temperature≤setting high temperature, it is determined that present mode of operation is air supply pattern.
Further, it is determined that after present mode of operation is cooling mode, described method also includes: if monitoring described
Preset temperature described in ambient temperature ＜, then exit cooling mode；If monitoring preset temperature described in described ambient temperature ＞, then
Reenter cooling mode.
Further, it is determined that after present mode of operation is heat supply mode, described method also includes: if monitoring described
Preset temperature described in ambient temperature ＞, then exit heat supply mode；If monitoring preset temperature described in described ambient temperature ＜, then
Reenter heat supply mode.
Further, if described fan coil is four-pipe system type, the most described conduit temperature be divided into hot-water line temperature and
Cold water pipe temperature；According to described conduit temperature, described ambient temperature and described preset temperature, determine present mode of operation, including:
If described cold water pipe temperature ＜ sets low temperature and described hot-water line temperature≤setting high temperature, it is determined that present mode of operation is for supplying
Chill formula；If described hot-water line temperature ＞ sets high temperature and described cold water pipe temperature >=setting low temperature, it is determined that currently run
Pattern is heat supply mode；If described cold water pipe temperature >=setting low temperature and described hot-water line temperature≤setting high temperature, it is determined that
Present mode of operation is air supply pattern；If described cold water pipe temperature ＜ sets low temperature and described hot-water line temperature ＞ sets height
Temperature, then determine present mode of operation according to described ambient temperature and described preset temperature.
Further, if described cold water pipe temperature ＜ sets low temperature and described hot-water line temperature ＞ sets high temperature, then root
Present mode of operation is determined according to described ambient temperature and described preset temperature, including: if preset described in described ambient temperature ＜
Temperature, it is determined that present mode of operation is heat supply mode；If preset temperature described in described ambient temperature ＞, it is determined that currently transport
Row mode is cooling mode.
Further, it is determined that after present mode of operation is heat supply mode, described method also includes: if monitoring described
Preset temperature described in ambient temperature ＞, then exit heat supply mode；If monitoring preset temperature described in described ambient temperature ＜, then
Reenter heat supply mode；If monitoring preset temperature+preset value described in described ambient temperature ＞, then enter cooling mode.
Further, it is determined that after present mode of operation is cooling mode, described method also includes: if monitoring described
Preset temperature described in ambient temperature ＜, then exit cooling mode；If monitoring preset temperature described in described ambient temperature ＞, then
Reenter cooling mode；If monitoring preset temperature-preset value described in described ambient temperature ＜, then enter heat supply mode.
Further, control water valve opening and closing according to present mode of operation, including: if described fan coil is two pipes system machine
Type, then, when present mode of operation is cooling mode, open water valve and provide cold water, until presetting temperature described in described ambient temperature ＜
Degree then closes water valve；When present mode of operation is heat supply mode, opens water valve and hot water is provided, until described ambient temperature ＞ institute
State preset temperature and then close water valve；If described fan coil is four-pipe system type, then it is cooling mode at present mode of operation
Time, open cold water water valve, until preset temperature then closes cold water water valve described in described ambient temperature ＜；At present mode of operation it is
During heat supply mode, open hot water water valve, until preset temperature then closes hot water water valve described in described ambient temperature ＞.
Further, described water valve is proportional regulation type water valve or switching mode water valve.
Present invention also offers a kind of fan coil automaton, wherein, this device includes: temperature monitoring module,
For arranging preset temperature, and monitor the conduit temperature of fan coil, ambient temperature；Mode decision module, for according to described
Conduit temperature, described ambient temperature and described preset temperature, determine present mode of operation；Water valve control module, for according to working as
Front operational mode controls water valve opening and closing.
Further, described fan coil is divided into two pipes system type and four-pipe system type.
Further, if described fan coil is two pipes system type, described mode decision module includes: cooling determines list
Unit, for when described conduit temperature ＜ sets low temperature, determining that present mode of operation is cooling mode；Heat supply determines unit, uses
In time setting high temperature at described conduit temperature ＞, determine that present mode of operation is heat supply mode；Air-supply determines unit, in institute
State conduit temperature >=setting low temperature, and during described conduit temperature≤setting high temperature, determine that present mode of operation is air supply pattern.
Further, described cooling determines unit, is additionally operable to when monitoring preset temperature described in described ambient temperature ＜,
Exit cooling mode；When monitoring preset temperature described in described ambient temperature ＞, reenter cooling mode.
Further, described heat supply determines unit, is additionally operable to when monitoring preset temperature described in described ambient temperature ＞,
Exit heat supply mode；When monitoring preset temperature described in described ambient temperature ＜, reenter heat supply mode.
Further, if described fan coil is four-pipe system type, the most described conduit temperature be divided into hot-water line temperature and
Cold water pipe temperature；Described mode decision module, including: first determines unit, for setting low temperature in described cold water pipe temperature ＜
And during described hot-water line temperature≤setting high temperature, determine that present mode of operation is cooling mode；Second determines unit, in institute
When stating hot-water line temperature ＞ setting high temperature and described cold water pipe temperature >=setting low temperature, determine that present mode of operation is for hot-die
Formula；3rd determines unit, is used for when described cold water pipe temperature >=setting low temperature and described hot-water line temperature≤setting high temperature, really
Determining present mode of operation is air supply pattern；4th determines unit, for setting low temperature and described heat in described cold water pipe temperature ＜
When conduit temperature ＞ sets high temperature, determine present mode of operation according to described ambient temperature and described preset temperature.
Further, the described 4th determines unit, including: heat supply subelement, for pre-described in described ambient temperature ＜
If during temperature, determine that present mode of operation is heat supply mode；Cooling subelement, for presetting temperature described in described ambient temperature ＞
When spending, determine that present mode of operation is cooling mode.
Further, described heat supply subelement, it is additionally operable to, when monitoring preset temperature described in described ambient temperature ＞, move back
Go out heat supply mode；When monitoring preset temperature described in described ambient temperature ＜, reenter heat supply mode；Described monitoring
Described in ambient temperature ＞ during preset temperature+preset value, enter cooling mode.
Further, cooling subelement, it is additionally operable to, when monitoring preset temperature described in described ambient temperature ＜, exit confession
Chill formula；When monitoring preset temperature described in described ambient temperature ＞, reenter cooling mode；Monitoring described environment
Described in temperature ＜ during preset temperature-preset value, enter heat supply mode.
Application technical scheme, by monitoring temperature, automatically identifies the operational mode of air-conditioning, controls water further
The opening and closing of valve, solves the problem that prior art wind machine operational mode cannot automatically select such that it is able to cancel cold and heat supply
Isotype arranges selection, reduces the mode key on panel, improves automaticity, simple to operate, convenient use, promotes and uses
Family is experienced.
Accompanying drawing explanation
Fig. 1 is the flow chart of fan coil autocontrol method according to embodiments of the present invention；
Fig. 2 is the flow chart of the fan coil autocontrol method of two pipes system type according to embodiments of the present invention；
Fig. 3 is fan coil pipe structure schematic diagram according to embodiments of the present invention；
Fig. 4 is the flow chart of the fan coil autocontrol method of four-pipe system type according to embodiments of the present invention；
Fig. 5 is the structured flowchart of fan coil automaton according to embodiments of the present invention.
Detailed description of the invention
With specific embodiment, the present invention is described in further detail below in conjunction with the accompanying drawings, but not as the limit to the present invention
Fixed.
Embodiment one
Fig. 1 is the flow chart of fan coil autocontrol method according to embodiments of the present invention, as it is shown in figure 1, the method
Comprise the following steps (step S101-step S103):
Step S101, arranges preset temperature, and monitors the conduit temperature of fan coil, ambient temperature；
Step S102, according to conduit temperature, ambient temperature and preset temperature, determines present mode of operation；
Step S103, controls water valve opening and closing according to present mode of operation.
Pass through above-described embodiment, it is possible to automatically identify the operational mode of air-conditioning, control the opening and closing of water valve further, solve
The problem that prior art wind machine operational mode cannot automatically select such that it is able to cancel cold and heat supply isotype and selection is set,
Reduce the mode key on panel, improve automaticity, simple to operate, convenient use, promote Consumer's Experience.
Fan coil is generally divided into two pipes system type and four-pipe system type.The automatic recognition method of pattern of two kinds of types is not
Identical, it is introduced separately below.
For the fan coil of two pipes system type, according to conduit temperature, ambient temperature and preset temperature, determine current operation
Pattern, including:
1) if conduit temperature ＜ sets low temperature, it is determined that present mode of operation is cooling mode.
After this, if monitoring ambient temperature ＜ preset temperature, then cooling mode is exited；If monitoring environment temperature
Degree ＞ preset temperature, then reenter cooling mode.
2) if conduit temperature ＞ sets high temperature, it is determined that present mode of operation is heat supply mode.
After this, if monitoring ambient temperature ＞ preset temperature, then heat supply mode is exited；If monitoring environment temperature
Degree ＜ preset temperature, then reenter heat supply mode.
3) if conduit temperature >=setting low temperature, and conduit temperature≤setting high temperature, it is determined that present mode of operation is for sending
Wind pattern.
For the fan coil of four-pipe system type, conduit temperature is divided into hot-water line temperature and cold water pipe temperature.According to water pipe
Temperature, ambient temperature and preset temperature, determine present mode of operation, including:
1) if cold water pipe temperature ＜ sets low temperature and hot-water line temperature≤setting high temperature, it is determined that present mode of operation is
Cooling mode.
2) if hot-water line temperature ＞ sets high temperature and cold water pipe temperature >=setting low temperature, it is determined that present mode of operation is
Heat supply mode.
3) if cold water pipe temperature >=setting low temperature and hot-water line temperature≤setting high temperature, it is determined that present mode of operation is
Air supply pattern.
4) if cold water pipe temperature ＜ sets low temperature and hot-water line temperature ＞ sets high temperature, then according to ambient temperature with default
Temperature determines present mode of operation；
Specifically,
If a) ambient temperature ＜ preset temperature, it is determined that present mode of operation is heat supply mode.
After this, if monitoring ambient temperature ＞ preset temperature, then heat supply mode is exited；If monitoring environment temperature
Degree ＜ preset temperature, then reenter heat supply mode；If monitoring ambient temperature ＞ preset temperature+preset value, then enter confession
Chill formula.
If b) ambient temperature ＞ preset temperature, it is determined that present mode of operation is cooling mode.
After this, if monitoring ambient temperature ＜ preset temperature, then cooling mode is exited；If monitoring environment temperature
Degree ＞ preset temperature, then reenter cooling mode；If monitoring ambient temperature ＜ preset temperature-preset value, then enter confession
Heat pattern.
Two pipes system type based on above-mentioned introduction and the automatic identifying schemes of fan coil operational mode of four-pipe system type, energy
Enough operational modes that automatically identifies, and accuracy of identification is high.
In the present embodiment, for controlling water valve opening and closing according to present mode of operation, present embodiments provide following preferred reality
Execute mode:
1) if fan coil is two pipes system type, then when present mode of operation is cooling mode, opening water valve provides
Cold water, until ambient temperature ＜ preset temperature then closes water valve；When present mode of operation is heat supply mode, opening water valve provides
Hot water, until ambient temperature ＞ preset temperature then closes water valve；
2) if fan coil is four-pipe system type, then, when present mode of operation is cooling mode, cold water water valve is opened,
Until ambient temperature ＜ preset temperature then closes cold water water valve；When present mode of operation is heat supply mode, open hot water water valve,
Until ambient temperature ＞ preset temperature then closes hot water water valve.
Based on this, it is possible to automatically adjust water valve opening and closing for the operational mode automatically identified, automaticity is high, promotes
Consumer's Experience.
In the present embodiment, water valve can be proportional regulation type water valve or switching mode water valve.The control of proportional regulation type water valve
Temperature precision is more preferable, and the temperature-controlled precision of switching mode water valve is slightly worse.
Embodiment two
Fig. 2 is the flow chart of the fan coil autocontrol method of two pipes system type according to embodiments of the present invention, such as Fig. 2
Shown in, the method comprises the following steps (step S201-step S208):
Step S201, start.
Step S202, water valve is opened.
Step S203, it is judged that conduit temperature TPipe＜ sets whether low temperature (assuming 25 DEG C) is set up；If it is, execution step
S204, if it is not, then perform step S205.
Step S204, cooling mode runs.Perform step S208 afterwards.
Step S205, it is judged that TPipe＞ sets whether high temperature (assuming 27 DEG C) is set up；If it is, perform step S206, as
The most no, then perform step S207.
Step S206, heat supply mode runs.Perform step S208 afterwards.
Step S207, air supply pattern runs.
Step S208, shutdown.
Fig. 3 is fan coil pipe structure schematic diagram according to embodiments of the present invention, as it is shown on figure 3, panel includes water inlet pipe
Temperature temperature sensor 1 and return air temperature sensor 2, panel can control water inlet pipe and surface cooler.
In the present embodiment, for the two pipes system type of end wind dish, use water pipe temperature sensor detection water temperature TPipe, according to
The operational mode of water temperature automatic decision end wind dish unit:
(1) after end wind dish is started shooting, water valve is opened, if be detected that conduit temperature TPipeLess than 25 degree, unit operation supplies
Chill formula.
If be detected that ambient temperature TRing＜ preset temperature TIf, then close water valve and exit cooling.General feelings after closing water valve
Under condition, ambient temperature will persistently raise, if TRing＞ TIf, then water valve cooling is reopened.
(2) if be detected that conduit temperature TPipe＞ 27 DEG C, unit operation heat supply mode.
If be detected that ambient temperature TRing＞ TIf, then close water valve and exit heat supply.Close after water valve generally environment
Temperature will persistently reduce, if TRing＜ TIf, then water valve heat supply is reopened.
(3) if be detected that conduit temperature TPipeBetween 25 DEG C～27 DEG C, then unit operation air supply pattern.
Embodiment three
Fig. 4 is the flow chart of the fan coil autocontrol method of four-pipe system type according to embodiments of the present invention, such as Fig. 4
Shown in, the method comprises the following steps (step S401-step S415):
Step S401, start.
Step S402, water valve is opened.
Step S403, it is judged that cold water pipe temperature TCold pipe＜ 25 DEG C and THeat pipeWhether ＞ 27 DEG C sets up；If it is, execution step
S405, if it is not, then perform step S404.
Step S404, judges operational mode according to the mode of two pipes system type.
Step S405, it is judged that TRing＜ TIfWhether set up；If it is, perform step S406, if it is not, then perform step
S410。
Step S406, enters heat supply mode and runs.
Step S407, it is judged that TRing＞ TIfWhether set up；If it is, perform step S408, if it is not, then perform step
S406。
Step S408, exits heat supply mode.
Step S409, it is judged that TRing＞ TIfWhether+△ sets up；If it is, perform step S412, if it is not, then perform step
Rapid S405.
Step S410, it is judged that TRing＞ TIfWhether set up；If it is, perform step S412, if it is not, then perform step
S411。
Step S411, enters air supply pattern, performs step S405 afterwards.
Step S412, enters cooling mode.
Step S413, it is judged that TRing＜ TIfWhether set up；If it is, perform step S414, if it is not, then perform step
S412。
Step S414, exits cooling mode.
Step S415, it is judged that TRing＜ TIfWhether-△ sets up；If it is, perform step S406, if it is not, then perform step
Rapid S410.
In the present embodiment, for the four-pipe system type of end wind dish, there is hot-water line and cold water pipe simultaneously.
(1) if detecting that hot-water line temperature is higher than 27 degree after unit start, cold water pipe temperature is less than 25 degree, uses as follows
Method judge:
After (a) start, if TRing＜ TIf, the most automatically run heat supply mode, TRingTo be stepped up, work as TRing＞ TIfTime, exit
Heat supply mode；After exiting heat supply mode, persistently judge whether environment has reduction trend, if TRing＜ TIf, it is again introduced into for hot-die
Formula；If persistently judge that after exiting heat supply mode ambient temperature has the trend continuing to raise, if TRing＞ TIf+ △, then switch
To running cooling mode.
After (b) start, if TRing＞ TIf, the most automatically run cooling mode, TRingTo gradually reduce, work as TRing＜ TIfTime, exit
Cooling mode；After exiting cooling mode, persistently judge whether environment has rising trend, if TRing＞ TIf, then continue for chill
Formula；If persistently judge that after exiting cooling mode environment is to have reduction trend, if TRing＜ TIf-△, then be switched to for hot-die
Formula is run.
By above-mentioned control method, automatically by ambient temperature-stable near preset temperature value, wherein, △ may be configured as
0.5 or 1, it is also possible to be set to other numerical value according to demand.
(2) if being unsatisfactory for hot-water line temperature to be higher than 27 degree, cold water pipe temperature is less than 25 degree, then press two pipes system and run, i.e.
Heat pipe is pressed heat supply mode and is run higher than 27 degree, and cold pipe temperature is pressed cooling mode and run less than 25 degree, otherwise presses air supply pattern and performs.
Embodiment four
The fan coil autocontrol method introduced corresponding to Fig. 1, present embodiments provides a kind of fan coil and automatically controls
Device processed, the structured flowchart of fan coil automaton as shown in Figure 5, this device includes:
Temperature monitoring module 10, is used for arranging preset temperature, and monitors the conduit temperature of fan coil, ambient temperature；
Mode decision module 20, is connected to temperature monitoring module 10, for according to conduit temperature, ambient temperature and default temperature
Degree, determines present mode of operation；
Water valve control module 30, is connected to mode decision module 20, for controlling water valve opening and closing according to present mode of operation.
Pass through above-described embodiment, it is possible to automatically identify the operational mode of air-conditioning, control the opening and closing of water valve further, solve
The problem that prior art wind machine operational mode cannot automatically select such that it is able to cancel cold and heat supply isotype and selection is set,
Reduce the mode key on panel, improve automaticity, simple to operate, convenient use, promote Consumer's Experience.
Fan coil is generally divided into two pipes system type and four-pipe system type.The automatic recognition method of pattern of two kinds of types is not
Identical, therefore the function of mode decision module 20 also differs.
For the fan coil of two pipes system type, mode decision module 20 includes:
Cooling determines unit, for when conduit temperature ＜ sets low temperature, determining that present mode of operation is cooling mode；Also
For when monitoring ambient temperature ＜ preset temperature, exiting cooling mode；When monitoring ambient temperature ＞ preset temperature, weight
Newly entering cooling mode.
Heat supply determines unit, for when conduit temperature ＞ sets high temperature, determining that present mode of operation is heat supply mode；Also
For when monitoring ambient temperature ＞ preset temperature, exiting heat supply mode；When monitoring ambient temperature ＜ preset temperature, weight
Newly entering heat supply mode.
Air-supply determines unit, is used at conduit temperature >=setting low temperature, and during conduit temperature≤setting high temperature, determines current
Operational mode is air supply pattern.
For the fan coil of four-pipe system type, conduit temperature is divided into hot-water line temperature and cold water pipe temperature.Pattern determines
Module 20, including:
First determines unit, for when cold water pipe temperature ＜ sets low temperature and hot-water line temperature≤setting high temperature, determining
Present mode of operation is cooling mode；
Second determines unit, for when hot-water line temperature ＞ sets high temperature and cold water pipe temperature >=setting low temperature, determining
Present mode of operation is heat supply mode；
3rd determines unit, for when cold water pipe temperature >=setting low temperature and hot-water line temperature≤setting high temperature, determines
Present mode of operation is air supply pattern；
4th determines unit, is used for when cold water pipe temperature ＜ sets low temperature and hot-water line temperature ＞ sets high temperature, according to
Ambient temperature and preset temperature determine present mode of operation.
Specifically, the 4th determines unit, including:
Heat supply subelement, for when ambient temperature ＜ preset temperature, determines that present mode of operation is heat supply mode；Also use
In when monitoring ambient temperature ＞ preset temperature, exit heat supply mode；When monitoring ambient temperature ＜ preset temperature, again
Enter heat supply mode；When monitoring ambient temperature ＞ preset temperature+preset value, enter cooling mode.
Cooling subelement, for when ambient temperature ＞ preset temperature, determines that present mode of operation is cooling mode；Also use
In when monitoring ambient temperature ＜ preset temperature, exit cooling mode；When monitoring ambient temperature ＞ preset temperature, again
Enter cooling mode；When monitoring ambient temperature ＜ preset temperature-preset value, enter heat supply mode.
Based on this, it is possible to automatically identify operational mode, and accuracy of identification is high.
Understanding from above description, the present invention identifies the operational mode of air-conditioning automatically by monitoring temperature, controls further
The opening and closing of gate valve, solves the problem that prior art wind machine operational mode cannot automatically select such that it is able to cancel cooling
Heat supply isotype arranges selection, reduces the mode key on panel, improves automaticity, simple to operate, convenient use, carries
Rise Consumer's Experience.
Certainly, it is above the preferred embodiment of the present invention.It should be pointed out that, for those skilled in the art
For, on the premise of without departing from its general principles, it is also possible to make some improvements and modifications, these improvements and modifications are also
It is considered as protection scope of the present invention.
Claims (20)
1. a fan coil autocontrol method, it is characterised in that described method includes:
Preset temperature is set, and monitors the conduit temperature of fan coil, ambient temperature；
According to described conduit temperature, described ambient temperature and described preset temperature, determine present mode of operation；
Water valve opening and closing is controlled according to present mode of operation.
Method the most according to claim 1, it is characterised in that described fan coil is divided into two pipes system type and four-pipe system machine
Type.
Method the most according to claim 2, it is characterised in that if described fan coil is two pipes system type, according to institute
State conduit temperature, described ambient temperature and described preset temperature, determine present mode of operation, including:
If described conduit temperature ＜ sets low temperature, it is determined that present mode of operation is cooling mode；
If described conduit temperature ＞ sets high temperature, it is determined that present mode of operation is heat supply mode；
If described conduit temperature >=setting low temperature, and described conduit temperature≤setting high temperature, it is determined that present mode of operation is
Air supply pattern.
Method the most according to claim 3, it is characterised in that after determining that present mode of operation is cooling mode, described
Method also includes:
If monitoring preset temperature described in described ambient temperature ＜, then exit cooling mode；
If monitoring preset temperature described in described ambient temperature ＞, then reenter cooling mode.
Method the most according to claim 3, it is characterised in that after determining that present mode of operation is heat supply mode, described
Method also includes:
If monitoring preset temperature described in described ambient temperature ＞, then exit heat supply mode；
If monitoring preset temperature described in described ambient temperature ＜, then reenter heat supply mode.
Method the most according to claim 2, it is characterised in that if described fan coil is four-pipe system type, then described
Conduit temperature is divided into hot-water line temperature and cold water pipe temperature；
According to described conduit temperature, described ambient temperature and described preset temperature, determine present mode of operation, including:
If described cold water pipe temperature ＜ sets low temperature and described hot-water line temperature≤setting high temperature, it is determined that present mode of operation
For cooling mode；
If described hot-water line temperature ＞ sets high temperature and described cold water pipe temperature >=setting low temperature, it is determined that present mode of operation
For heat supply mode；
If described cold water pipe temperature >=setting low temperature and described hot-water line temperature≤setting high temperature, it is determined that present mode of operation
For air supply pattern；
If described cold water pipe temperature ＜ sets low temperature and described hot-water line temperature ＞ sets high temperature, then according to described ambient temperature
Present mode of operation is determined with described preset temperature.
Method the most according to claim 6, it is characterised in that if described cold water pipe temperature ＜ sets low temperature and described heat
Conduit temperature ＞ sets high temperature, then determine present mode of operation according to described ambient temperature and described preset temperature, including:
If preset temperature described in described ambient temperature ＜, it is determined that present mode of operation is heat supply mode；
If preset temperature described in described ambient temperature ＞, it is determined that present mode of operation is cooling mode.
Method the most according to claim 7, it is characterised in that after determining that present mode of operation is heat supply mode, described
Method also includes:
If monitoring preset temperature described in described ambient temperature ＞, then exit heat supply mode；
If monitoring preset temperature described in described ambient temperature ＜, then reenter heat supply mode；
If monitoring preset temperature+preset value described in described ambient temperature ＞, then enter cooling mode.
Method the most according to claim 7, it is characterised in that after determining that present mode of operation is cooling mode, described
Method also includes:
If monitoring preset temperature described in described ambient temperature ＜, then exit cooling mode；
If monitoring preset temperature described in described ambient temperature ＞, then reenter cooling mode；
If monitoring preset temperature-preset value described in described ambient temperature ＜, then enter heat supply mode.
Method the most according to claim 2, it is characterised in that control water valve opening and closing according to present mode of operation, including:
If described fan coil is two pipes system type, then when present mode of operation is cooling mode, open water valve and provide cold
Water, until preset temperature then closes water valve described in described ambient temperature ＜；When present mode of operation is heat supply mode, open water
Valve provides hot water, until preset temperature then closes water valve described in described ambient temperature ＞；
If described fan coil is four-pipe system type, then when present mode of operation is cooling mode, open cold water water valve, directly
Cold water water valve is then closed to preset temperature described in described ambient temperature ＜；When present mode of operation is heat supply mode, open heat
Water water valve, until preset temperature then closes hot water water valve described in described ambient temperature ＞.
11. methods according to claim 1, it is characterised in that described water valve is ratio conditional water valve or switching mode
Water valve.
12. 1 kinds of fan coil automatons, it is characterised in that described device includes:
Temperature monitoring module, is used for arranging preset temperature, and monitors the conduit temperature of fan coil, ambient temperature；
Mode decision module, for according to described conduit temperature, described ambient temperature and described preset temperature, determines current operation
Pattern；
Water valve control module, for controlling water valve opening and closing according to present mode of operation.
13. devices according to claim 12, it is characterised in that described fan coil is divided into two pipes system type and four-pipe system
Type.
14. devices according to claim 13, it is characterised in that if described fan coil is two pipes system type, described
Mode decision module includes:
Cooling determines unit, for when described conduit temperature ＜ sets low temperature, determining that present mode of operation is cooling mode；
Heat supply determines unit, for when described conduit temperature ＞ sets high temperature, determining that present mode of operation is heat supply mode；
Air-supply determines unit, is used at described conduit temperature >=setting low temperature, and during described conduit temperature≤setting high temperature, determines
Present mode of operation is air supply pattern.
15. devices according to claim 14, it is characterised in that
Described cooling determines unit, is additionally operable to, when monitoring preset temperature described in described ambient temperature ＜, exit cooling mode；
When monitoring preset temperature described in described ambient temperature ＞, reenter cooling mode.
16. devices according to claim 14, it is characterised in that
Described heat supply determines unit, is additionally operable to, when monitoring preset temperature described in described ambient temperature ＞, exit heat supply mode；
When monitoring preset temperature described in described ambient temperature ＜, reenter heat supply mode.
17. devices according to claim 13, it is characterised in that if described fan coil is four-pipe system type, then institute
State conduit temperature and be divided into hot-water line temperature and cold water pipe temperature；
Described mode decision module, including:
First determines unit, is used for when described cold water pipe temperature ＜ sets low temperature and described hot-water line temperature≤setting high temperature,
Determine that present mode of operation is cooling mode；
Second determines unit, is used for when described hot-water line temperature ＞ sets high temperature and described cold water pipe temperature >=setting low temperature,
Determine that present mode of operation is heat supply mode；
3rd determines unit, is used for when described cold water pipe temperature >=setting low temperature and described hot-water line temperature≤setting high temperature,
Determine that present mode of operation is air supply pattern；
4th determines unit, is used for when described cold water pipe temperature ＜ sets low temperature and described hot-water line temperature ＞ sets high temperature,
Present mode of operation is determined according to described ambient temperature and described preset temperature.
18. devices according to claim 17, it is characterised in that the described 4th determines unit, including:
Heat supply subelement, for when preset temperature described in described ambient temperature ＜, determines that present mode of operation is heat supply mode；
Cooling subelement, for when preset temperature described in described ambient temperature ＞, determines that present mode of operation is cooling mode.
19. devices according to claim 18, it is characterised in that
Described heat supply subelement, is additionally operable to, when monitoring preset temperature described in described ambient temperature ＞, exit heat supply mode；?
When monitoring preset temperature described in described ambient temperature ＜, reenter heat supply mode；Monitoring described ambient temperature ＞ institute
When stating preset temperature+preset value, enter cooling mode.
20. devices according to claim 18, it is characterised in that
Cooling subelement, is additionally operable to, when monitoring preset temperature described in described ambient temperature ＜, exit cooling mode；In monitoring
To described in described ambient temperature ＞ during preset temperature, reenter cooling mode；Pre-monitoring described in described ambient temperature ＜
If during temperature-preset value, enter heat supply mode.
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| CN201610575573.6A CN106196463B (en) | 2016-07-20 | 2016-07-20 | Automatic control method and device for fan coil |
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| CN201610575573.6A CN106196463B (en) | 2016-07-20 | 2016-07-20 | Automatic control method and device for fan coil |
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| CN106196463B CN106196463B (en) | 2018-12-25 |
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| WO2018219213A1 (en) * | 2017-05-31 | 2018-12-06 | 中兴通讯股份有限公司 | Central air-conditioning temperature control device, fan coil control method, medium and system |
| CN110657549A (en) * | 2019-10-14 | 2020-01-07 | 珠海格力电器股份有限公司 | Temperature controller, fan coil air conditioning system and control method thereof |
| CN117029220A (en) * | 2023-10-09 | 2023-11-10 | 湖南朗赫科技有限公司 | Fan coil control method, system and storage medium based on movable temperature controller |
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| CN106196463B (en) | 2018-12-25 |
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