CN109028403B - The control method and system of radiation air-conditioner - Google Patents
The control method and system of radiation air-conditioner Download PDFInfo
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- CN109028403B CN109028403B CN201810880519.1A CN201810880519A CN109028403B CN 109028403 B CN109028403 B CN 109028403B CN 201810880519 A CN201810880519 A CN 201810880519A CN 109028403 B CN109028403 B CN 109028403B
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- 230000005855 radiation Effects 0.000 title claims abstract description 42
- 238000000034 method Methods 0.000 title claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 578
- 239000008400 supply water Substances 0.000 claims abstract description 76
- 230000007613 environmental effect Effects 0.000 claims abstract description 22
- 238000001514 detection method Methods 0.000 claims description 15
- 239000000498 cooling water Substances 0.000 claims description 10
- 230000001105 regulatory effect Effects 0.000 claims description 8
- 230000001276 controlling effect Effects 0.000 claims description 3
- 238000009833 condensation Methods 0.000 abstract description 8
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 238000004378 air conditioning Methods 0.000 description 12
- 238000010438 heat treatment Methods 0.000 description 10
- 230000005494 condensation Effects 0.000 description 7
- 238000005057 refrigeration Methods 0.000 description 6
- 238000001816 cooling Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000009467 reduction 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
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0089—Systems using radiation from walls or panels
-
- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Air Conditioning Control Device (AREA)
Abstract
This application discloses a kind of control method of radiation air-conditioner and systems, and this method comprises the following steps: obtaining the environmental load information at least one the indoor unit local environment connecting with outdoor unit；The water temperature of water supply needed for determining each indoor unit according to the environmental load information of each indoor unit local environment；By the highest water temperature of water supply needed at least one indoor unit, it is determined as the first supply water temperature of the first water cooler；And the minimum water temperature of water supply needed at least one indoor unit is determined as to the second supply water temperature of the second water cooler；Based on the dew-point temperature of each indoor unit local environment, the first water supply of the first water cooler and the second water supply of the second water cooler are controlled, so that the air themperature of each indoor unit local environment is higher than the dew-point temperature of each indoor unit local environment.This application provides a kind of methods for adjusting air-conditioner water system according to air conditioner load demand, realize efficient, low energy consumption, anti-condensation operation of air conditioner effect.
Description
Technical field
This application involves field of air conditioning more particularly to the control methods and system of a kind of radiation air-conditioner.
Background technique
With people to air conditioning comfortableness, it is energy saving require higher and higher, air-conditioning system, because it can be well
In conjunction with low energy consumption or green building, have a good application prospect.Radiation cooling (warm) refers to reduction (raising) building enclosure
The temperature on one or more surfaces, forms cold (heat) radiating surface, by radiating surface and human body, furniture and building enclosure in inner surface
The radiant heat exchange of remaining surface and the technical method for carrying out cooling supply (warm).Radiating surface can be cold by being arranged in building enclosure
(heat) pipeline can also add radiant panel in ceiling or wall outer surface to realize.Due to radiating surface and building enclosure and furniture table
The variation of face temperature causes their heat convections between air to be reinforced, and enhances cooling supply (warm) effect.
Radiation air-conditioner is a kind of stealthy air-conditioning, is usually laid on top surface, metope and the ground in room, uses the normal-temperature water (summer
16~18 degrees Celsius of season, 28~32 degrees Celsius of winter) freeze or heat using radiation mode as room.Since radiation air-conditioner is without making an uproar
Sound, calm sense, it is cold and hot uniformly can create good a home from home, improve indoor air quality.Because air-conditioning system uses
Water carries out heat exchange as medium, if supply water temperature is too low, may cause radiating surface and condensation occurs.Thus, accurately control spoke
The water supply water temperature for penetrating air-conditioning system is the important means for preventing radiation air-conditioner from condensation occurs.
Summary of the invention
To solve the above-mentioned problems, present applicant proposes a kind of control method of radiation air-conditioner, include the following steps: to obtain
The environmental load information at least one the indoor unit local environment being connect with outdoor unit, wherein environmental load information includes at least:
Each indoor unit local environment needs to reach target temperature；It is determined according to the environmental load information of each indoor unit local environment every
The water temperature to supply water needed for a indoor unit；By the highest water temperature of water supply needed at least one indoor unit, it is determined as the first water cooler
The first supply water temperature；And the minimum water temperature of water supply needed at least one indoor unit is determined as the second of the second water cooler and is supplied
Coolant-temperature gage；Wherein, the first water cooler and the second water cooler are in parallel, and the water and the second cooling-water machine that the first water cooler provides
It supplies water after the water mixing that group provides at least one indoor unit；Based on the dew-point temperature of each indoor unit local environment, control the
First water supply of one water cooler and the second water supply of the second water cooler, so that the sky of each indoor unit local environment
Temperature degree is higher than the dew-point temperature of each indoor unit local environment.
In one example, it is supplied needed for determining each indoor unit according to the environmental load information of each indoor unit local environment
The water temperature of water, comprising: the water temperature of water supply needed for calculating each indoor unit by following formula:
Wherein, CWaterFor the specific heat capacity of water, CAirFor the specific heat capacity of air, ζ1For the water supply of the first water cooler, ζ2It is
The water supply of secondary cooling water unit, tI is initialFor the initial temperature of i-th of indoor unit local environment, tI targetFor ring locating for i-th of indoor unit
Border needs target temperature to be achieved,It is i-th indoor unit for water coefficient, ViFor the space of i-th of indoor unit local environment
Size.
In one example, in the dew-point temperature based on each indoor unit local environment, the of the first water cooler is controlled
Second water supply of one water supply and the second water cooler, so that the air themperature of each indoor unit local environment is higher than each
Before the dew-point temperature of indoor unit local environment, method further include: cold by following formula the first water cooler of calculating and second
Water dispenser group is the practical water temperature to supply water of each indoor unit:
Wherein, TmaxFor the highest water temperature of water supply needed at least one indoor unit；TminTo be supplied needed at least one indoor unit
The minimum water temperature of water.
In one example, in the dew-point temperature based on each indoor unit local environment, the of the first water cooler is controlled
Second water supply of one water supply and the second water cooler, so that the air themperature of each indoor unit local environment is higher than each
Before the dew-point temperature of indoor unit local environment, method further include: based on indoor dew-point temperature inquiry table, according to each indoor unit
The real-time air themperature and air humidity of local environment inquire the real-time dew-point temperature of each indoor unit local environment.
In one example, the dew-point temperature based on each indoor unit local environment, the first of the first water cooler of control
Second water supply of water supply and the second water cooler, so that the air themperature of each indoor unit local environment is higher than each room
The dew-point temperature of interior machine local environment, comprising: if the first water cooler and the second water cooler are what each indoor unit supplied water
Actual water temperature is higher than the real-time dew-point temperature of each indoor unit local environment, then the water temperature of the water supply according to needed for each indoor unit,
Control the water supply that the first water cooler and the second water cooler supply water to each indoor unit；If the first water cooler and second
Water cooler is the dew-point temperature that the actual water temperature that each indoor unit supplies water is less than or equal to each indoor unit local environment, then increases
The first water supply for adding the first water cooler to supply water to each indoor unit, and reduce the second water cooler and supply water to each indoor unit
The second water supply；Wherein, the first water supply and the second water supply meet following condition:
Wherein, ζ '1For the first water cooler water supply adjusted, ζ '2For the second water cooler water supply adjusted,
TDew pointFor the real-time dew-point temperature of each indoor unit local environment.
In one example, the water supply to supply water in the first water cooler of increase to each indoor unit, and it is cold to reduce by second
After the water supply that water dispenser group supplies water to each indoor unit, method further include: reach first in the water supply of the first water cooler
The maximum water supply of water cooler, and the case where the water supply of the second water cooler reaches the minimum water supply of the second water cooler
Under, if the first water cooler and the second water cooler are that the actual water temperature that each indoor unit supplies water is still below or is equal to each room
The real-time dew-point temperature of interior machine local environment, then increase the first water cooler supply water temperature or the second water cooler for water temperature
Degree；Wherein, the supply water temperature after supply water temperature and the second water cooler after the first water cooler increases increase meets following item
Part:
Wherein, ζmaxFor the maximum water supply of the first water cooler, ζminFor the minimum water supply of the second water cooler, T 'max
Supply water temperature after being increased for the first water cooler, T 'minSupply water temperature after being increased for the second water cooler.
On the other hand, the application also proposed a kind of control system of radiation air-conditioner, and system includes: at least one sensing
Device, for detecting the environmental load information at least one the indoor unit local environment connecting with outdoor unit, wherein carrying capacity of environment letter
Breath includes at least: each indoor unit local environment needs to reach target temperature；Controller is used for the ring according to locating for each indoor unit
The environmental load information in border determines the water temperature to supply water needed for each indoor unit, and by the highest of water supply needed at least one indoor unit
It is true to be determined as the minimum water temperature to supply water needed for the first supply water temperature and at least one indoor unit of the first water cooler for water temperature
It is set to the second supply water temperature of the second water cooler, based on the dew-point temperature of each indoor unit local environment, controls the first cold water
First water supply of unit and the second water supply of the second water cooler, so that the air themperature of each indoor unit local environment
Higher than the dew-point temperature of each indoor unit local environment, wherein the first water cooler and the second water cooler are in parallel, and first is cold
The water that water dispenser group provides supplies water after mixing with the water that the second water cooler provides at least one indoor unit.
In one example, at least one sensor includes at least one following: temperature detection sensor, pressure detection pass
Sensor, moisture detection sensor.
In one example, system further include: for water regulating valve, it is connect with the first water cooler and the second water cooler,
For controlling the water supply of the first water cooler and the second water cooler.
In one example, system further include: water temperature detection sensor is connect with for water regulating valve, for detecting first
Water cooler and the second water cooler are the water temperature that each indoor unit supplies water.
It can be brought the following benefits by the control mode of the application proposed radiation air-conditioning:
1. by two groups of water coolers in parallel, the water of the maximum temperature of the required water temperature of each indoor unit and minimum is provided
The water of temperature carries out mixed water, supplies water for each indoor unit, had not only been able to satisfy the workload demand of each indoor unit, but also will not lead
Cause extra energy waste；
2. control flows into the supply water temperature of each indoor unit by way of shunting, whole flow can not changed
In the case of, the adjusting of supply water temperature is realized, to realize the self-loopa of radiation air-conditioner；
3. based on the dew-point temperature of each indoor unit local environment, according to the load of each indoor unit local environment, control
For the water supply that each indoor unit supplies water, can effectively preventing indoor unit, there is a phenomenon where condensations.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present application, constitutes part of this application, this Shen
Illustrative embodiments and their description please are not constituted an undue limitation on the present application for explaining the application.In the accompanying drawings:
A kind of Fig. 1 control system architecture schematic diagram of radiation air-conditioner provided by the embodiments of the present application；
A kind of Fig. 2 flow diagram of the control method of radiation air-conditioner provided by the embodiments of the present application.
Specific embodiment
For the clearer general idea for illustrating the application, carry out in an illustrative manner with reference to the accompanying drawings of the specification detailed
It describes in detail bright.
Embodiments herein provides a kind of control system of radiation air-conditioner, can be applied to any one and is made using water
For the transmission medium of heat exchange, the air-conditioning for being freezed with radiation mode or being heated.
As a kind of optional embodiment, the application comes by taking the central air-conditioning of " outdoor unit, multiple indoor units " as an example
It is illustrated.Fig. 1 is a kind of control system architecture schematic diagram of radiation air-conditioner provided by the embodiments of the present application, as shown in Figure 1, should
System includes: the first water cooler 1-1 (including first constant volume water cooler 1-1-1, the first varying capacity water cooler 1-1-2)
With the second water cooler 1-2 (including first constant volume water cooler 1-2-1, the first varying capacity water cooler 1-2-2), center control
Device 2 processed, zone controller 3, indoor unit (show 3, are the first indoor unit 6-1, the second indoor unit 6-2 and respectively in Fig. 1
Three indoor unit 6-3), indoor machine controller (shows 3, is the first indoor unit control connecting with the first indoor unit respectively in Fig. 1
Machine controller 7-2, the third indoor unit control being connect with third indoor unit in device 7-1 processed, the second Room being connect with the second indoor unit
Device 7-3 processed), water supply pump 5-1, return water water pump 5-2, for water regulating valve 4-1, return water regulating valve 4-2, shunting valve (in Fig. 1
3 are shown, is the first shunting valve 8-1 for controlling the first indoor unit water supply, the first indoor unit water supply of control respectively
The first shunting valve 8-2, control the first indoor unit water supply the first shunting valve 8-3).
It is easy it is noted that the water cooler as water supply is the unit of fixed capacity, the water cooler as return water is
The unit of varying capacity.The application provides the water of the first supply water temperature by the first constant volume water cooler 1-1-1, fixed by second
Capacity water cooler 1-2-1 provides the water of the second supply water temperature, after for water regulating valve 4-1 mixing, by water supply pump 5-
1, it supplies water for each indoor unit (the first indoor unit 6-1, the second indoor unit 6-2, third indoor unit 6-3).Each indoor unit into
Water after row heat exchange, further through the defeated pump 5-2 of return water, return water regulating valve 4-2 back to the first varying capacity water cooler 1-1-2 and
Second varying capacity water cooler 1-2-2, to realize the water circulation system of radiation air-conditioner.Due to the first water cooler 1-1 and
Secondary cooling water unit 1-2 is in parallel, then the first constant volume water cooler 1-1-1 and the second constant volume water cooler 1-2-1 parallel connection
For the water supply of each indoor unit；First varying capacity water cooler 1-1-2 and the second varying capacity water cooler 1-2-2 parallel connection receive each
The return water of indoor unit.
For central air-conditioning, from multiple indoor units that outdoor unit is connected since local environment is different, need to undertake
There is also differences for load, and if it is radiation air-conditioner, then the water temperature to supply water needed for each indoor unit is different.As a result, in order to save
About energy consumption can be passed also for comfortable indoor environment is provided by at least one disposed in each indoor unit local environment
Sensor obtains the environmental load information of each indoor unit local environment, wherein environmental load information includes but is not limited to each room
Interior machine local environment needs to reach target temperature.For example, detecting each indoor unit local environment by temperature detection sensor
Room temperature detects the outdoor temperature of each indoor unit local environment by moisture detection sensor, is detected and is sensed by pressure
Device detects the atmospheric pressure etc. of each indoor unit local environment.
Each of connect with each indoor unit indoor machine controller (for example, the first indoor controller 7-1 shown in Fig. 1,
Second indoor controller 7-2, third indoor controller 7-3), it is passed by being deployed in at least one of each indoor unit local environment
It, can be according to the environment of each indoor unit local environment after sensor detects the environmental load information of each indoor unit local environment
Information on load determines the water temperature to supply water needed for each indoor unit, and then the water temperature of water supply needed for each indoor unit is controlled by region
Device 3 processed is transferred to central controller 2, and central controller 2 is using the highest water temperature of water supply needed for each indoor unit as the first constant volume
Measure water cooler 1-1-1 supply water temperature (i.e. the first supply water temperature), using the minimum water temperature of water supply needed for each indoor unit as
The supply water temperature (i.e. the second supply water temperature) of second constant volume water cooler 1-2-1.
As an alternative embodiment, the water temperature of water supply needed for each indoor unit being calculated by following formula:
Wherein, CWaterFor the specific heat capacity of water, CAirFor the specific heat capacity of air, ζ1For the water supply of the first water cooler, ζ2It is
The water supply of secondary cooling water unit, tI is initialFor the initial temperature of i-th of indoor unit local environment, tI targetFor ring locating for i-th of indoor unit
Border needs target temperature to be achieved,It is i-th indoor unit for water coefficient, ViFor the space of i-th of indoor unit local environment
Size.
It should be noted that the application is by the water of highest water temperature needed for each indoor unit, (i.e. the first constant volume is cold herein
The water that water dispenser group 1-1-1 is provided) with each indoor unit needed for minimum water temperature water (i.e. the second constant volume water cooler 1-2-1
The water of offer) it is that each indoor unit supplies water after mixing, by the ratio of both control mixing, both it had been able to satisfy the negative of each indoor unit
Lotus demand, and not will lead to extra energy waste.
Further, the radiating surface of each indoor unit generates condensation in order to prevent, is passing through the first constant volume cold water of control
When the water supply of unit 1-1-1 and the second constant volume water cooler 1-2-1 to supply water for each indoor unit, peace can be passed through
Whether the temperature mounted in the temperature detection sensor detection radiating surface of each indoor unit radiating surface is lower than ring locating for each indoor unit
The corresponding dew-point temperature in border.Based on the dew-point temperature of each indoor unit local environment, the first water cooler and the second cold water are controlled
The water supply that unit supplies water to each indoor unit, so that the air themperature of each indoor unit local environment is higher than each indoor unit
The dew-point temperature of local environment.
It is alternatively possible to which it is practical for each indoor unit to calculate the first water cooler and the second water cooler by following formula
The water temperature of water supply:
Wherein, TmaxFor the highest water temperature of water supply needed at least one indoor unit；TminTo be supplied needed at least one indoor unit
The minimum water temperature of water.
It should be noted that in the dew-point temperature based on each indoor unit local environment, the first water cooler and the are controlled
The water supply that secondary cooling water unit supplies water to each indoor unit, so that the air themperature of each indoor unit local environment is higher than each
Before the dew-point temperature of indoor unit local environment, this method can also include: based on indoor dew-point temperature inquiry table, according to each
The real-time air themperature and air humidity of indoor unit local environment inquire the real-time dew-point temperature of each indoor unit local environment.
In the dew-point temperature based on each indoor unit local environment, the first water supply and second of the first water cooler is controlled
Second water supply of water cooler, so that the air themperature of each indoor unit local environment is higher than each indoor unit local environment
Dew-point temperature when, if the first water cooler and the second water cooler are that the actual water temperature that each indoor unit supplies water is higher than
The real-time dew-point temperature of each indoor unit local environment, then the water temperature of the water supply according to needed for each indoor unit, controls the first cold water
The water supply that unit and the second water cooler supply water to each indoor unit；
If the first water cooler and the second water cooler are that the actual water temperature that each indoor unit supplies water is less than or equal to often
The dew-point temperature of a indoor unit local environment then increases the first water supply that the first water cooler supplies water to each indoor unit, and
Reduce the second water supply that the second water cooler supplies water to each indoor unit；Wherein, the first water supply and the second water supply meet
Following condition:
Wherein, ζ '1For the first water cooler water supply adjusted, ζ '2For the second water cooler water supply adjusted,
TDew pointFor the real-time dew-point temperature of each indoor unit local environment.
Further, the water supply to supply water in the first water cooler of increase to each indoor unit, and reduce the second cooling-water machine
After the water supply that group supplies water to each indoor unit, supplied when the water supply of the first water cooler reaches the maximum of the first water cooler
Water, and in the case that the water supply of the second water cooler reaches the minimum water supply of the second water cooler, if the first cold water
Unit and the second water cooler are that the actual water temperature that each indoor unit supplies water is still below or equal to each indoor unit local environment
Real-time dew-point temperature then increases the supply water temperature of the first water cooler or the supply water temperature of the second water cooler；
Wherein, the supply water temperature after supply water temperature and the second water cooler after the first water cooler increases increase meets such as
Lower condition:
Wherein, ζmaxFor the maximum water supply of the first water cooler, ζminFor the minimum water supply of the second water cooler, T 'max
Supply water temperature after being increased for the first water cooler, T 'minSupply water temperature after being increased for the second water cooler.
In addition, it should also be noted that, for radiation air-conditioner, since radiation refrigeration and dehumidifying are relatively independent skills
Art, the difference of water temperature required by radiation cooling system and dedicated outdoor air system is larger, and under normal circumstances, radiation refrigeration needs cold
Source temperature is 15~18 DEG C, and the sink temperature that fresh air system dehumidifying needs is 5~7 DEG C, thus, for utilizing radiation refrigeration and new
For the air-conditioning system that wind system combines, the control of water system is particularly significant.If the supply water temperature of radiation refrigeration system is too low,
It then may cause radiating surface and condensation occur.Thus, by the control mode of radiation air-conditioner provided by the present application, can accurately control
The water supply water temperature of air-conditioning system, radiation air-conditioner can be effectively prevented, and there is a phenomenon where condensations.
Embodiments herein additionally provides a kind of control method of radiation air-conditioner, as shown in Fig. 2, this method includes as follows
Step:
Step S201 obtains the environmental load information at least one the indoor unit local environment connecting with outdoor unit.
Specifically, the room temperature that each indoor unit local environment can be detected by temperature detection sensor, by wet
Degree detection sensor detects the outdoor temperature of each indoor unit local environment, detects each indoor unit by pressure detection sensor
The atmospheric pressure etc. of local environment.
Optionally, after the environmental load information for obtaining at least one the indoor unit local environment connecting with outdoor unit,
The dew-point temperature of each indoor unit local environment can also be determined according to the environmental load information of each indoor unit local environment.
Step S202, water supply needed for determining each indoor unit according to the environmental load information of each indoor unit local environment
Water temperature.
Specifically, since each indoor unit local environment is different, environmental load information is also different, thus, for using water
It, can be true according to the environmental load information of each indoor unit local environment for the radiation air-conditioner for carrying out heat exchange refrigeration or heating
The water temperature to supply water needed for fixed each indoor unit.
The highest water temperature of water supply needed at least one indoor unit is determined as the first of the first water cooler by step S203
Supply water temperature；And the minimum water temperature of water supply needed at least one indoor unit is determined as the second of the second water cooler for water temperature
Degree；Wherein, the first water cooler and the second water cooler are in parallel, and the water that the first water cooler provides is mentioned with the second water cooler
It supplies water after the water mixing of confession at least one indoor unit.
Specifically, using the highest water temperature of water supply required in each indoor unit as the supply water temperature of the first water cooler, and
Using the minimum water of water supply required in each indoor unit as the supply water temperature of the second water cooler, finally by the first water cooler
Water is that each indoor unit supplies water after mixing with the water of the second water cooler, has not only been able to satisfy the workload demand of each indoor unit, but also not
It will lead to extra energy waste.
Step S204, based on the dew-point temperature of each indoor unit local environment, control the first water cooler first is supplied water
Second water supply of amount and the second water cooler, so that the air themperature of each indoor unit local environment is higher than each indoor unit
The dew-point temperature of local environment.
Specifically, the first water cooler and the second water cooler can be detected by water temperature sensor as the confession of each indoor unit
(i.e. the first constant volume water cooler 1-1-1 and the second constant volume water cooler 1-2-1 is adjusted the water temperature of water by supplying water in Fig. 1
The water temperature of the water of valve mixing), as the first optional embodiment, if the air themperature of each indoor unit local environment is high
In the dew-point temperature of each indoor unit local environment, then the water temperature of the water supply according to needed for each indoor unit, controls the first cooling-water machine
The water supply that group and the second water cooler supply water to each indoor unit.As second of optional embodiment, if each room
The air themperature of interior machine local environment is less than or equal to the dew-point temperature of each indoor unit local environment, then increases by the first cooling-water machine
The water supply that group supplies water to each indoor unit, and reduce the water supply that the first water cooler supplies water to each indoor unit.
Wherein, in the first above-mentioned optional embodiment, in the water temperature of the water supply according to needed for each indoor unit, control the
When the water supply that one water cooler and the second water cooler supply water to each indoor unit, if the confession of first water cooler
Water reaches the maximum water supply of the first water cooler, and the air themperature of each indoor unit local environment at this time is still below each
The water temperature to supply water needed for indoor unit, then increase the first supply water temperature of the first water cooler；If the water supply of the second water cooler
Amount reaches the maximum water supply of the second water cooler, and the first water cooler and the second water cooler at this time is the confession of each indoor unit
The water temperature of water is higher than the water temperature to supply water needed for each indoor unit, then reduces the second supply water temperature of the second water cooler.
In above-mentioned second of optional embodiment, in the water supply that the first water cooler of increase supplies water to each indoor unit
Amount, and after reducing the water supply that supplies water to each indoor unit of the first water cooler, if the water supply of the first water cooler reaches
To the maximum water supply of the first water cooler, and the water supply of the second water cooler reaches the minimum of the second water cooler and supplies water
Amount, the first water cooler and the second water cooler at this time are that the water temperature that each indoor unit supplies water is still below or is equal to each interior
The dew-point temperature of machine local environment then increases the first supply water temperature of the first water cooler.
Based on any one of the above optional embodiment, the radiation air-conditioner mentioned in each embodiment of the application can be top
Canopy radiation air-conditioner.It is illustrated separately below with freezing and heating two kinds of operating modes.
Refrigeration mode: when each indoor unit (the first indoor unit 6-1 i.e. shown in FIG. 1, the second indoor unit 6-2, in third room
Machine 6-3) when need to freeze, the carrying capacity of environment for the indoor unit local environment that each indoor unit is got according to sensor is believed
Breath, the temperature to supply water needed for calculating respectively is respectively the first cryogenic temperature, the second cryogenic temperature and third cryogenic temperature, and is passed through
The controller of each indoor unit (the first indoor controller 7-1 i.e. shown in FIG. 1, the second indoor controller 7-2, is controlled in third room
Device 7-3 processed) it is sent to zone controller 3 and central controller 2, the quantitative water cooler 1-1-1's of the control of central controller 2 first
Supply water temperature is the first cryogenic temperature, highest temperature in the second cryogenic temperature and third cryogenic temperature, and control second is quantitative cold
The supply water temperature of water dispenser group 1-2-1 is temperature minimum in the first cryogenic temperature, the second cryogenic temperature and third cryogenic temperature, area
Domain controller 3 is respectively by the first shunting valve 8-1, the second shunting valve 8-2, third shunting valve 8-3, according to every
The water temperature to supply water needed for a indoor unit quantifies water cooler 1-2-1 to every to control the first quantitative water cooler 1-1-1 and second
The water supply that a indoor unit supplies water.
Wherein, in the case where the water supply of the first water cooler reaches the maximum water supply of the first water cooler, if
First water cooler and the second water cooler are that the water temperature that each indoor unit supplies water is lower than the water temperature to supply water needed for each indoor unit
(for example, being lower than 1 degree Celsius), then increase the first supply water temperature of the first water cooler；It is reached in the water supply of the second water cooler
To the second water cooler maximum water supply in the case where, if the first water cooler and the second water cooler are each indoor unit
The water temperature of water supply is higher than the water temperature (for example, being higher than 1 degree Celsius) to supply water needed for each indoor unit, then reduces the second water cooler
Second supply water temperature.
Heating mode: when each indoor unit (the first indoor unit 6-1 i.e. shown in FIG. 1, the second indoor unit 6-2, in third room
Machine 6-3) when need to heat, the carrying capacity of environment for the indoor unit local environment that each indoor unit is got according to sensor is believed
Breath, the temperature to supply water needed for calculating respectively is respectively the first heating temperature, the second heating temperature and third heating temperature, and is passed through
The controller of each indoor unit (the first indoor controller 7-1 i.e. shown in FIG. 1, the second indoor controller 7-2, is controlled in third room
Device 7-3 processed) it is sent to zone controller 3 and central controller 2, the quantitative water cooler 1-1-1's of the control of central controller 2 first
Supply water temperature is that the first heating temperature, the second heating temperature and third heat the highest temperature of temperature, the quantitative cold water of control second
The supply water temperature of unit 1-2-1 is that the first heating temperature, the second heating temperature and third heat temperature minimum in temperature, region
Controller 3 is respectively by the first shunting valve 8-1, the second shunting valve 8-2, third shunting valve 8-3, according to each
The water temperature to supply water needed for indoor unit quantifies water cooler 1-2-1 to each to control the first quantitative water cooler 1-1-1 and second
The water supply that indoor unit supplies water.
Wherein, reach first in the water supply of the first water cooler (the i.e. shown in FIG. 1 first quantitative water cooler 1-1-1)
In the case where the maximum water supply of water cooler, if the first water cooler and the second water cooler are what each indoor unit supplied water
Lower than the water temperature (for example, being lower than 1 degree Celsius) to supply water needed for each indoor unit, then increase the first water cooler first supplies water temperature
Coolant-temperature gage；Reach the second cooling-water machine in the water supply of the second water cooler (the i.e. shown in FIG. 1 second quantitative water cooler 1-2-1)
In the case where the maximum water supply of group, if the first water cooler and the second water cooler are that the water temperature that each indoor unit supplies water is high
The water temperature (for example, be higher than 1 degree Celsius) of the water supply needed for each indoor unit then reduces the second of the second water cooler for water temperature
Degree.
It should be noted that in cooling mode, indoor unit radiating surface generates condensation in order to prevent, each room can be based on
The dew-point temperature of interior machine local environment, it is quantitative that zone controller 3 controls first according to the water temperature of water supply needed for each indoor unit
Water cooler 1-1-1 and second quantifies the water supply that water cooler 1-2-1 supplies water to each indoor unit.
All the embodiments in this specification are described in a progressive manner, same and similar portion between each embodiment
Dividing may refer to each other, and each embodiment focuses on the differences from other embodiments.Especially for system reality
For applying example, since it is substantially similar to the method embodiment, so being described relatively simple, related place is referring to embodiment of the method
Part explanation.
Professional should further appreciate that, described in conjunction with the examples disclosed in the embodiments of the present disclosure
Unit and algorithm steps, can be realized with electronic hardware, computer software, or a combination of the two, hard in order to clearly demonstrate
The interchangeability of part and software generally describes each exemplary composition and step according to function in the above description.
These functions are implemented in hardware or software actually, the specific application and design constraint depending on technical solution.
Professional technician can use different methods to achieve the described function each specific application, but this realization
It should not be considered as beyond the scope of the present invention.
The above description is only an example of the present application, is not intended to limit this application.For those skilled in the art
For, various changes and changes are possible in this application.All any modifications made within the spirit and principles of the present application are equal
Replacement, improvement etc., should be included within the scope of the claims of this application.
Claims (10)
1. a kind of control method of radiation air-conditioner, which is characterized in that described method includes following steps:
Obtain the environmental load information at least one the indoor unit local environment connecting with outdoor unit, wherein the carrying capacity of environment
Information includes at least: each indoor unit local environment needs to reach target temperature；
The water temperature of water supply needed for determining each indoor unit according to the environmental load information of each indoor unit local environment；
By the highest water temperature of water supply needed at least one described indoor unit, it is determined as the first supply water temperature of the first water cooler；
And the minimum water temperature of water supply needed at least one described indoor unit is determined as to the second supply water temperature of the second water cooler；Its
In, first water cooler and second water cooler are in parallel, and the water that provides of first water cooler and described the
It is that at least one described indoor unit supplies water after the water mixing that secondary cooling water unit provides；
Based on the dew-point temperature of each indoor unit local environment, the first water supply and the institute of first water cooler are controlled
The second water supply of the second water cooler is stated, so that the air themperature of each indoor unit local environment is each higher than described
The dew-point temperature of indoor unit local environment.
2. the control method of radiation air-conditioner according to claim 1, which is characterized in that according to each indoor unit local environment
Environmental load information determine the water temperature to supply water needed for each indoor unit, comprising:
The water temperature of water supply needed for calculating each indoor unit by following formula:
Wherein, CWaterFor the specific heat capacity of water, CAirFor the specific heat capacity of air, ζ1For the water supply of the first water cooler, ζ2It is cold for second
The water supply of water dispenser group, tI is initialFor the initial temperature of i-th of indoor unit local environment, tI targetIt is needed for i-th of indoor unit local environment
Target temperature to be achieved,It is i-th indoor unit for water coefficient, ViFor the space size of i-th of indoor unit local environment.
3. the control method of radiation air-conditioner according to claim 2, which is characterized in that be based on each indoor unit institute
Locate the dew-point temperature of environment, controls the first water supply of first water cooler and the second of second water cooler is supplied water
Amount, so that the air themperature of each indoor unit local environment is higher than the dew-point temperature of each indoor unit local environment
Before, the method also includes:
First water cooler is calculated by following formula and second water cooler is the practical confession of each indoor unit
The water temperature of water:
Wherein, TmaxFor the highest water temperature of water supply needed at least one described indoor unit；TminFor at least one described indoor unit institute
The minimum water temperature that need to be supplied water.
4. the control method of radiation air-conditioner according to claim 3, which is characterized in that be based on each indoor unit institute
Locate the dew-point temperature of environment, controls the first water supply of first water cooler and the second of second water cooler is supplied water
Amount, so that the air themperature of each indoor unit local environment is higher than the dew-point temperature of each indoor unit local environment
Before, the method also includes:
Based on indoor dew-point temperature inquiry table, according to the real-time air themperature and air humidity of each indoor unit local environment
Inquire the real-time dew-point temperature of each indoor unit local environment.
5. the control method of radiation air-conditioner according to claim 4, which is characterized in that based on locating for each indoor unit
The dew-point temperature of environment, controls the first water supply of first water cooler and the second of second water cooler is supplied water
Amount, so that the air themperature of each indoor unit local environment is higher than the dew point temperature of each indoor unit local environment
Degree, comprising:
If first water cooler and second water cooler are that the actual water temperature that each indoor unit supplies water is higher than
The real-time dew-point temperature of each indoor unit local environment, then the water temperature of the water supply according to needed for each indoor unit, controls
The water supply that first water cooler and second water cooler supply water to each indoor unit；
If first water cooler and second water cooler are that the actual water temperature that each indoor unit supplies water is lower than
Or the dew-point temperature equal to each indoor unit local environment, then increase by first water cooler and supplies water to each indoor unit
The first water supply, and reduce the second water supply that second water cooler supplies water to each indoor unit；Wherein, described first
Water supply and second water supply meet following condition:
Wherein, ζ '1For the first water cooler water supply adjusted, ζ '2For the second water cooler water supply adjusted, TDew pointFor
The real-time dew-point temperature of each indoor unit local environment.
6. the control method of radiation air-conditioner according to claim 5, which is characterized in that increasing by first water cooler
The water supply to supply water to each indoor unit, and after reducing the water supply that second water cooler supplies water to each indoor unit,
The method also includes:
Reach the maximum water supply of first water cooler, and second cold water in the water supply of first water cooler
In the case that the water supply of unit reaches the minimum water supply of second water cooler, if first water cooler and institute
Stating the second water cooler is that the actual water temperature that each indoor unit supplies water is still below or is equal to ring locating for each indoor unit
The real-time dew-point temperature in border, then increase first water cooler supply water temperature or second water cooler for water temperature
Degree；
Wherein, the supply water temperature after supply water temperature and the second water cooler after first water cooler increases increase meets such as
Lower condition:
Wherein, ζmaxFor the maximum water supply of the first water cooler, ζminFor the minimum water supply of the second water cooler, T 'maxIt is
Supply water temperature after the raising of one water cooler, T 'minSupply water temperature after being increased for the second water cooler.
7. a kind of control system of radiation air-conditioner, the system comprises:
At least one sensor, the carrying capacity of environment for detecting at least one the indoor unit local environment connecting with outdoor unit are believed
Breath, wherein the environmental load information includes at least: each indoor unit local environment needs to reach target temperature；
Controller, for water supply needed for determining each indoor unit according to the environmental load information of each indoor unit local environment
Water temperature, and by the highest water temperature of water supply needed at least one described indoor unit, be determined as the first water cooler first is supplied water
The minimum water temperature to supply water needed for temperature and at least one described indoor unit is determined as the second of the second water cooler for water temperature
Degree controls the first water supply and the institute of first water cooler based on the dew-point temperature of each indoor unit local environment
The second water supply of the second water cooler is stated, so that the air themperature of each indoor unit local environment is each higher than described
The dew-point temperature of indoor unit local environment, wherein first water cooler and second water cooler are in parallel, and described the
The water that one water cooler provides is that at least one described indoor unit supplies water after mixing with the water that second water cooler provides.
8. the control system of radiation air-conditioner according to claim 7, which is characterized in that it is described at least one sensor include
It is at least one following: temperature detection sensor, pressure detection sensor, moisture detection sensor.
9. the control system of radiation air-conditioner according to claim 7, which is characterized in that the system also includes:
It for water regulating valve, is connect with first water cooler and second water cooler, for controlling first cold water
The water supply of unit and second water cooler.
10. the control system of radiation air-conditioner according to claim 9, which is characterized in that the system also includes:
Water temperature detection sensor is connect with described for water regulating valve, for detecting first water cooler and described second cold
Water dispenser group is the water temperature that each indoor unit supplies water.
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| CN109405162B (en) * | 2018-09-19 | 2019-11-29 | 珠海格力电器股份有限公司 | Temperature control method and device, the air-conditioner set of unit |
| CN113137701B (en) * | 2021-05-14 | 2023-05-26 | 青岛海尔空调电子有限公司 | Method and device for controlling air conditioner and air conditioner |
| CN117847769A (en) * | 2022-09-30 | 2024-04-09 | 广东美的制冷设备有限公司 | Anti-condensation control method, device, equipment and storage medium |
| CN116085891B (en) * | 2023-04-10 | 2023-06-16 | 臣功环境科技有限公司 | High-large factory building air conditioning solar integrated system and air conditioning method thereof |
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