CN108692405A - The control method of air-conditioning equipment and air-conditioning equipment - Google Patents
The control method of air-conditioning equipment and air-conditioning equipment Download PDFInfo
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- CN108692405A CN108692405A CN201810570855.6A CN201810570855A CN108692405A CN 108692405 A CN108692405 A CN 108692405A CN 201810570855 A CN201810570855 A CN 201810570855A CN 108692405 A CN108692405 A CN 108692405A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- 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
- F24F5/0007—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 cooling apparatus specially adapted for use in air-conditioning
- F24F5/001—Compression cycle type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—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
- F24F11/89—Arrangement or mounting of control or safety devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20709—Modifications to facilitate cooling, ventilating, or heating for server racks or cabinets; for data centers, e.g. 19-inch computer racks
- H05K7/208—Liquid cooling with phase change
- H05K7/20827—Liquid cooling with phase change within rooms for removing heat from cabinets, e.g. air conditioning devices
-
- 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
- F24F2110/12—Temperature of the outside air
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/20—Humidity
- F24F2110/22—Humidity of the outside air
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Computer Hardware Design (AREA)
- Thermal Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The present invention proposes the control method of a kind of air-conditioning equipment, air-conditioning equipment.Air-conditioning equipment includes:Indirect heat exchange core, indirect heat exchange core have cavity around or within;First bypass air-valve, is set on front side of cavity;Second bypass air-valve, is set on front side of indirect heat exchange core;Outdoor sensor is set to the air inlet of air-conditioning equipment, for obtaining outdoor environment temperature and outdoor environment humidity;Controller, for the range according to outdoor environment temperature and/or outdoor environment humidity, the first bypass of control air-valve, the second bypass air-valve are turned on and off, and air-conditioning equipment is made to enter different operating modes.The present invention is when air-conditioning equipment carries out indirect heat exchange refrigeration mode or mechanical refrigeration pattern, by the opening and closing of the first bypass air-valve of control and the second bypass air-valve, realizes whether hot-air enters indirect heat exchange core in flexible control room.
Description
Technical field
The present invention relates to air-conditioning technical fields, in particular to a kind of air-conditioning equipment and a kind of control of air-conditioning equipment
Method.
Background technology
With advocating for national energy conservation and emission reduction, it is proposed that the theory of green data center is increasingly taken seriously, and evaporates cooling skill
Art is also expanded to apply to air conditioner in machine room field, and the clean energy resource of the Nature is made full use of to cool down for computer room.Current indirect steaming
It feels cold and is but made of one with mechanical refrigeration, mechanical refrigeration is used in the case where indirect evaporating-cooling is unsatisfactory for load, was ensured
Cooling needs can be met by crossing the summer in period and high temperature.But during using mechanical refrigeration, from the hot-air of computer room back
Indirect heat exchange core is first passed through, then is cooled down to evaporator, is then sent the air of processed low temperature by wind turbine
Computer room.Resistance of the air through indirect heat exchange core is relatively large, this makes the power consumption of wind turbine increase;Simultaneously outdoor air relative to
The air themperature that computer room is returned is high, and the relatively low air that can return in this way to computer room heats, and is unfavorable for compressor machine
Tool freezes, and increases the refrigeration power consumption of compressor.
Invention content
The present invention is directed to solve at least one of the technical problems existing in the prior art or related technologies.
For this purpose, the first aspect of the present invention is to propose a kind of air-conditioning equipment.
The second aspect of the invention is to propose a kind of control method of air-conditioning equipment.
In view of this, according to an aspect of the present invention, it proposes a kind of air-conditioning equipments, including:Indirect heat exchange core,
Connecing has cavity around or within heat exchange core body;First bypass air-valve, is set on front side of cavity;Second bypass air-valve, is set to
On front side of indirect heat exchange core;Outdoor sensor is set to the air inlet of air-conditioning equipment, for obtaining outdoor environment temperature and room
External environment humidity;Controller, for the range according to outdoor environment temperature and/or outdoor environment humidity, control the first bypass wind
Valve, the second bypass air-valve are turned on and off, and air-conditioning equipment is made to enter different operating modes.
Air-conditioning equipment provided by the invention is applied to the closed room that the equipment such as computer room, data center are intensive, calorific value is big
Between, air-conditioning equipment is whole body structure, is provided with indirect heat exchange core, is arranged around or within indirect heat exchange core free
Chamber is respectively arranged with the first bypass air-valve and the second bypass air-valve, for controlling on front side of cavity and on front side of indirect heat exchange core
Whether indoor hot-air enters indirect heat exchange core.Air-conditioning equipment obtains outdoor environment temperature and outdoor environment humidity, root first
According to outdoor environment temperature and/or the range of outdoor environment humidity, the first bypass of control air-valve, the second bypass air-valve are opened or are closed
It closes, air-conditioning equipment is made to enter different operating modes.Technical solution provided by the invention, in air-conditioning equipment by determining outdoor ring
Border temperature and/or outdoor environment humidity location to control into different operating modes, while controlling the first bypass air-valve
It is opened or closed with the second bypass air-valve, whether hot-air enters indirect heat exchange core in flexible control room, realizes indoors
Hot-air it is unnecessary enter indirect heat exchange core when, directly by the cavity around or within indirect heat exchange core enter other portions
Part reduces air drag, reduces the operation energy consumption of air-conditioning equipment.
Above-mentioned air-conditioning equipment according to the present invention can also have following technical characteristic:
In the above-mentioned technical solutions, it is preferable that air-conditioning equipment further includes:Compressor, spray assemblies, evaporator, controller
It is specifically used for:When outdoor environment temperature is more than the first preset value, control the first bypass air-valve is opened, second bypasses air-valve and spray
Drench that component is closed, compressor is opened, after the indoor hot-air that the return air inlet of air-conditioning equipment returns is via cavity, into evaporator into
Row mechanical refrigeration.
In the technical scheme, when outdoor environment temperature is more than the first preset value, illustrate outdoor environment temperature foot at this time
Enough height, using indirect-evaporation cooling pattern and indirect air cooling mode cannot be satisfied computer room, data center cooling needs,
It is needed at this time using frequency-changeable compressor cooling mode, therefore, control compressor is opened, control the first bypass air-valve opening, second
It bypasses air-valve to close, then the hot-air that computer room comes out passes through return air inlet, indirect heat exchange is directly over by the first bypass air-valve
On the one hand the chamber portion of core prevents from coming out air from computer room and is added by the outdoor air of high temperature without indirect heat exchange core
Heat reduces the energy consumption of air-conditioning equipment on the other hand due to being greatly reduced without indirect heat exchange core air drag.Another party
Spray assemblies because need not be evaporated inside indirect heat exchange core, therefore are closed in face, and indoor hot-air after cavity by entering
Evaporator carries out compressor mechanical refrigeration, is computer room, data center's fast-refrigerating, ensures computer room, equipment is being just in data center
Normal need of work.
In any of the above-described technical solution, it is preferable that controller is specifically used for:When outdoor environment temperature is less than or equal to first
Preset value and be more than or equal to the second preset value, outdoor environment humidity be less than or equal to third preset value when, control first bypass air-valve
It closes, the second bypass air-valve, spray assemblies opening, it is indirect that the indoor hot-air that return air inlet returns enters the progress of indirect heat exchange core
Evaporation and heat-exchange freezes.
In the technical scheme, when outdoor environment temperature be less than or equal to the first preset value and be more than or equal to the second preset value,
When outdoor environment humidity is less than or equal to third preset value, start indirect-evaporation cooling pattern.Specifically, the second bypass wind is opened
Valve, close first bypass air-valve, so that indoor hot-air is entered indirect heat exchange core, at the same control spray equipment opening, start to
Indirect heat exchange core is sprayed, and water can take away amount of heat in evaporation, so that the temperature of indirect heat exchange core is reduced, change indirectly
Indoor hot-air in hot core carries out heat exchange with the indirect heat exchange core after cooling, is then blown into interior, realizes cooling.Together
When outdoor cold air blow to indirect heat exchange core, accelerate the evaporation rate of the water of indirect heat exchange core surface, and then make to change indirectly
Hot core more quickly cools down, meanwhile, outdoor cold air can will also be mingled with the wet sky of vapor around indirect heat exchange core
Gas is blown out from exhaust outlet, is avoided moisture in air-conditioning equipment from accumulating, is improved the efficiency and stability of air-conditioning equipment work.Simultaneously because
Compressor operating is not needed, it can be achieved that reducing the energy consumption of air-conditioning equipment.
In any of the above-described technical solution, it is preferable that the first preset value is:The indoor target temperature of air-conditioning equipment and the 4th
The difference of preset value.
In the technical scheme, the first preset value is:The difference of the indoor target temperature of air-conditioning equipment and the 4th preset value.
4th preset value can be specifically arranged according to the power consumption of equipment, heat condition in computer room, data center.By the way that appropriate the 4th is arranged
Preset value so that when indoor environment temperature is more than the indoor set temperature such as computer room, data center and the difference of the 4th preset value,
Indirect-evaporation cooling pattern and indirect air cooling mode cannot be satisfied computer room, data center cooling needs, need to open
Compressor carries out compressor cooling mode.When outdoor environment temperature is less than or equal to the first preset value, indirect evaporation may be used
Cooling or indirect air cooling.It ensure that under the premise of meeting computer room, data center's cooling needs, reduce the fortune of air-conditioning equipment
Row energy consumption.
In any of the above-described technical solution, it is preferable that controller is specifically used for:It is preset when outdoor environment temperature is less than second
When value, control first bypass air-valve, spray assemblies close, second bypass air-valve open, return air inlet return indoor hot-air into
Enter indirect heat exchange core, indirect heat exchange refrigeration is carried out with outdoor air.
In the technical scheme, when outdoor environment temperature is less than the second preset value, illustrate that outdoor temperature is relatively low at this time, adopts
With indirect air cooling mode.Specifically, the first bypass of control air-valve is closed, the second bypass air-valve is opened, and outdoor low temperature is empty
Gas forms vertical-horizontal cross flow one by the hot-air that indirect heat exchange core and computer room come out, can be obtained after enhanced heat exchange compared with
Good heat exchange effect;In the case that by air heat-exchange generate cold cannot be satisfied computer room, data center cooling needs,
Frequency-changeable compressor supplement refrigeration can be opened using indirect heat exchange refrigeration and mechanical refrigeration stack combinations operational mode to meet not
With operating mode machine room lower, the cooling needs of data center.Since outdoor temperature is very low, avoid spray during water freezing, therefore
Spray equipment and recirculated water air pump inoperative under the pattern.
According to the second aspect of the invention, it is proposed that a kind of control method of air-conditioning equipment is applied to any of the above-described skill
The air-conditioning equipment of art scheme, control method include:Obtain outdoor environment temperature and outdoor environment humidity;According to outdoor environment temperature
And/or the range of outdoor environment humidity, the first bypass of control air-valve, second bypass being turned on and off for air-valve, make air-conditioning equipment
Into different operating modes.
The control method of air-conditioning equipment provided by the invention obtains outdoor environment temperature and outdoor environment humidity, root first
According to outdoor environment temperature and/or the range of outdoor environment humidity, the first bypass of control air-valve, the second bypass air-valve are opened or are closed
It closes, air-conditioning equipment is made to enter different operating modes.Technical solution provided by the invention, in air-conditioning equipment by determining outdoor ring
Border temperature and/or outdoor environment humidity location to control into different operating modes, while controlling the first bypass air-valve
It is opened or closed with the second bypass air-valve, whether hot-air enters indirect heat exchange core in flexible control room, realizes indoors
Hot-air it is unnecessary enter indirect heat exchange core when, directly by the cavity around or within indirect heat exchange core enter other portions
Part reduces air drag, reduces the operation energy consumption of air-conditioning equipment.
The control method of above-mentioned air-conditioning equipment according to the present invention can also have following technical characteristic:
In the above-mentioned technical solutions, it is preferable that according to outdoor environment temperature and/or the range of outdoor environment humidity, control
First bypass air-valve, second bypass being turned on and off for air-valve, so that air-conditioning equipment is entered different operating modes, specifically include:
When outdoor environment temperature is more than the first preset value, control first bypasses air-valve opening, the second bypass air-valve and air-conditioning equipment
Spray assemblies are closed, the compressor of air-conditioning equipment is opened, after the indoor hot-air that the return air inlet of air-conditioning equipment returns is via cavity,
Mechanical refrigeration is carried out into evaporator.
In the technical scheme, when outdoor environment temperature is more than the first preset value, illustrate outdoor environment temperature foot at this time
Enough height, using indirect-evaporation cooling pattern and indirect air cooling mode cannot be satisfied computer room, data center cooling needs,
It is needed at this time using frequency-changeable compressor cooling mode, therefore, control compressor is opened, control the first bypass air-valve opening, second
It bypasses air-valve to close, then the hot-air that computer room comes out passes through return air inlet, indirect heat exchange is directly over by the first bypass air-valve
On the one hand the chamber portion of core prevents from coming out air from computer room and is added by the outdoor air of high temperature without indirect heat exchange core
Heat reduces the energy consumption of air-conditioning equipment on the other hand due to being greatly reduced without indirect heat exchange core air drag.Another party
Spray assemblies because need not be evaporated inside indirect heat exchange core, therefore are closed in face, by indoor hot-air by cavity after
Into evaporator, compressor mechanical refrigeration is carried out, is computer room, data center's fast-refrigerating, ensures computer room, equipment in data center
Normal work need.
In any of the above-described technical solution, it is preferable that according to outdoor environment temperature and/or the range of outdoor environment humidity,
The first bypass of control air-valve, second bypass being turned on and off for air-valve, and air-conditioning equipment is made to enter different operating modes, specific to wrap
It includes:When outdoor environment temperature is less than or equal to the first preset value and is more than or equal to the second preset value, outdoor environment humidity is less than or equal to
When third preset value, control the first bypass air-valve is closed, the second bypass air-valve, spray assemblies are opened, the interior that return air inlet returns
Hot-air enters indirect heat exchange core and carries out indirect evaporation heat exchange refrigeration.
In the technical scheme, when outdoor environment temperature be less than or equal to the first preset value and be more than or equal to the second preset value,
When outdoor environment humidity is less than or equal to third preset value, start indirect-evaporation cooling pattern.Specifically, the second bypass wind is opened
Valve, close first bypass air-valve, so that indoor hot-air is entered indirect heat exchange core, at the same control spray equipment opening, start to
Indirect heat exchange core is sprayed, and water can take away amount of heat in evaporation, so that the temperature of indirect heat exchange core is reduced, change indirectly
Indoor hot-air in hot core carries out heat exchange with the indirect heat exchange core after cooling, is then blown into interior, realizes cooling.Together
When outdoor cold air blow to indirect heat exchange core, accelerate the evaporation rate of the water of indirect heat exchange core surface, and then make to change indirectly
Hot core more quickly cools down, meanwhile, outdoor cold air can will also be mingled with the wet sky of vapor around indirect heat exchange core
Gas is blown out from exhaust outlet, is avoided moisture in air-conditioning equipment from accumulating, is improved the efficiency and stability of air-conditioning equipment work.Simultaneously because
Compressor operating is not needed, it can be achieved that reducing the energy consumption of air-conditioning equipment.
In any of the above-described technical solution, it is preferable that the first preset value is:The indoor target temperature of air-conditioning equipment and the 4th
The difference of preset value.
In the technical scheme, the first preset value is:The difference of the indoor target temperature of air-conditioning equipment and the 4th preset value.
4th preset value can be specifically arranged according to the power consumption of equipment, heat condition in computer room, data center.By the way that appropriate the 4th is arranged
Preset value so that when indoor environment temperature is more than the indoor set temperature such as computer room, data center and the difference of the 4th preset value,
Indirect-evaporation cooling pattern and indirect air cooling mode cannot be satisfied computer room, data center cooling needs, need to open
Compressor carries out compressor cooling mode.When outdoor environment temperature is less than or equal to the first preset value, indirect evaporation may be used
Cooling or indirect air cooling.It ensure that under the premise of meeting computer room, data center's cooling needs, reduce the fortune of air-conditioning equipment
Row energy consumption.
In any of the above-described technical solution, it is preferable that according to outdoor environment temperature and/or the range of outdoor environment humidity,
The first bypass of control air-valve, second bypass being turned on and off for air-valve, and air-conditioning equipment is made to enter different operating modes, specific to wrap
It includes:When outdoor environment temperature is less than the second preset value, the first bypass of control air-valve, spray assemblies are closed, second bypasses air-valve
It opens, the indoor hot-air that return air inlet returns enters indirect heat exchange core, and indirect heat exchange refrigeration is carried out with outdoor air.
In the technical scheme, when outdoor environment temperature is less than the second preset value, illustrate that outdoor temperature is relatively low at this time, adopts
With indirect air cooling mode.Specifically, the first bypass of control air-valve is closed, the second bypass air-valve is opened, and outdoor low temperature is empty
Gas forms vertical-horizontal cross flow one by the hot-air that indirect heat exchange core and computer room come out, can be obtained after enhanced heat exchange compared with
Good heat exchange effect;In the case that by air heat-exchange generate cold cannot be satisfied computer room, data center cooling needs,
Frequency-changeable compressor supplement refrigeration can be opened using indirect heat exchange refrigeration and mechanical refrigeration stack combinations operational mode to meet not
With operating mode machine room lower, the cooling needs of data center.Since outdoor temperature is very low, avoid spray during water freezing, therefore
Spray equipment and recirculated water air pump inoperative under the pattern.
The additional aspect and advantage of the present invention will become apparent in following description section, or practice through the invention
Recognize.
Description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination following accompanying drawings to embodiment
Obviously and it is readily appreciated that, wherein:
Fig. 1 shows the structure chart of air-conditioning equipment according to an embodiment of the invention;
Fig. 2 shows Fig. 1 according to the diagrammatic cross-section at A-A of the air-conditioning equipment of invention one embodiment;
Fig. 3 shows diagrammatic cross-sections B-B at of the Fig. 1 according to the air-conditioning equipment of invention one embodiment;
Fig. 4 shows the flow chart of the control method of air-conditioning equipment according to an embodiment of the invention;
Fig. 5 shows the flow chart of the control method of air-conditioning equipment according to another embodiment of the invention;
Fig. 6 shows the flow chart of the control method of air-conditioning equipment according to still a further embodiment;
Fig. 7 shows the flow chart of the control method of air-conditioning equipment according to still another embodiment of the invention.
Wherein, the reference numeral in Fig. 1 to Fig. 3 and the correspondence between component names are:
1 indirect heat exchange core, 2 cavitys, 3 first bypass air-valves, 4 second bypass air-valves, 5 outdoor temperature humidity sensors, 6 into
Air port, 7 compressors, 8 spray assemblies, 9 evaporators, 10 return air inlets, 11 return air filter screens, 12 wind turbines, 13 air return humitures sensing
Device, 14 wet-membrane humidifiers, 15 air-cooled condensers, 16 axial flow blowers, 17 Sprayer Circulation water pumps, 18 catch basins, 19 humidification recirculated waters
Pump, 20 water supply solenoid valves, 21 water level switches, 22 overflow pipes.
Specific implementation mode
It is below in conjunction with the accompanying drawings and specific real in order to be more clearly understood that aforementioned aspect of the present invention, feature and advantage
Mode is applied the present invention is further described in detail.It should be noted that in the absence of conflict, the implementation of the application
Feature in example and embodiment can be combined with each other.
Many details are elaborated in the following description to facilitate a thorough understanding of the present invention, still, the present invention may be used also
To be implemented different from other modes described here using other, therefore, protection scope of the present invention is not limited to following public affairs
The limitation for the specific embodiment opened.
The control of described according to some embodiments of the invention air-conditioning equipment and air-conditioning equipment is described referring to Fig. 1 to Fig. 7
Method.
As shown in Figure 1 to Figure 3, in the embodiment of first aspect present invention, a kind of air-conditioning equipment, air-conditioning equipment are provided
Including:Indirect heat exchange core 1, indirect heat exchange core 1 have cavity 2 around or within;First bypass air-valve 3, is set to cavity 2
Front side;Second bypass air-valve 4 is set to 1 front side of indirect heat exchange core;Outdoor temperature humidity sensor 5, is set to air-conditioning equipment
At air inlet 6, for obtaining outdoor environment temperature and outdoor environment humidity;Controller (not shown), for according to outdoor
The range of environment temperature and/or outdoor environment humidity, control the first bypass air-valve 3, second bypass air-valve 4 and are turned on and off, make
Air-conditioning equipment enters different operating modes.
Air-conditioning equipment provided by the invention is applied to the closed room that the equipment such as computer room, data center are intensive, calorific value is big
Between, air-conditioning equipment is whole body structure, is provided with indirect heat exchange core 1, is arranged around or within indirect heat exchange core 1 free
Chamber 2 is respectively arranged with the first bypass air-valve 3 and second and bypasses air-valve 4, is used in 2 front side of cavity and 1 front side of indirect heat exchange core
Whether hot-air enters indirect heat exchange core 1 in control room.Air-conditioning equipment obtains outdoor environment temperature first and outdoor environment is wet
Degree, according to outdoor environment temperature and/or the range of outdoor environment humidity, control the first bypass air-valve 3, second bypasses air-valve 4 and opens
It opens or closes, air-conditioning equipment is made to enter different operating modes.Embodiment provided by the invention, in air-conditioning equipment by determining room
External environment temperature and/or outdoor environment humidity location to control into different operating modes, while controlling the first bypass
Air-valve 3 and second bypasses air-valve 4 and opens or closes, and whether hot-air enters indirect heat exchange core 1 in flexible control room, realizes
Indoors hot-air it is unnecessary enter indirect heat exchange core 1 when, directly pass through the cavity 2 around or within indirect heat exchange core 1
Into other component, air drag is reduced, reduces the operation energy consumption of air-conditioning equipment.
Wherein, the quantity of cavity 2 can be configured, and can be 2, can be single, can also divide multiple, the position of cavity 2
It can be located at before and after indirect heat exchange core 1, may be alternatively located among indirect heat exchange core 1, indirect heat exchange core 1 is divided into two parts.
In the above embodiment, it is preferable that air-conditioning equipment further includes:Compressor 7, spray assemblies 8, evaporator 9, controller
It is specifically used for:When outdoor environment temperature is more than the first preset value, control the first bypass air-valve 3 is opened, second bypasses 4 and of air-valve
Spray assemblies 8 are closed, compressor 7 is opened, and after the indoor hot-air that the return air inlet 10 of air-conditioning equipment returns is via cavity 2, are entered
Evaporator 9 carries out mechanical refrigeration.
In this embodiment, when outdoor environment temperature To is more than the first preset value (Ts DEG C-Ta DEG C), illustrate outdoor at this time
Environment temperature is sufficiently high, cannot be satisfied computer room, data center using indirect-evaporation cooling pattern and indirect air cooling mode
Cooling needs, need at this time use 7 cooling mode of frequency-changeable compressor, therefore, control compressor 7 open, control first bypass
Air-valve 3 is opened, the second bypass air-valve 4 is closed, and specifically, the hot-air that computer room comes out passes through return air inlet 10, is filtered by return air
After net 11 filters, by the second bypass air-valve 4, it is directly over 2 part of cavity of indirect heat exchange core 1, is carried out by evaporator 9
It is cooling, by 12 pressurized delivered computer room of wind turbine.It is opened completely by control the first bypass air-valve 3, the second bypass air-valve 4 closes completely
It closes, the outdoor air heating for coming out air by high temperature from computer room is on the one hand prevented, on the other hand due to without indirect heat exchange core
1 air drag of body greatly reduces, and 12 power consumption of wind turbine will be also reduced.Unit is real-time by air return temperature humidity sensor 13 simultaneously
Air return humiture value is detected, is compared with the return air temperature Ts of setting and humidity Hs, compressor 7 is adjusted according to temperature requirements
Running frequency, to control return air temperature in setting range;Wet-membrane humidifier 14, which is controlled, according to moisture requirement carries out humidification process
And evaporator 9 carries out dehumidification treatments, to control return air humidity in setting range.It is machine by 7 mechanical refrigeration of compressor
Room, data center's fast-refrigerating ensure that computer room, the normal work of equipment needs in data center.
In any of the above-described embodiment, it is preferable that controller is specifically used for:When outdoor environment temperature is less than or equal to first in advance
If being worth and being more than or equal to the second preset value, when outdoor environment humidity is less than or equal to third preset value, control the first bypass air-valve 3 pass
It closes, the second bypass air-valve 4, the opening of spray assemblies 8, the indoor hot-air that return air inlet 10 returns enters the progress of indirect heat exchange core 1
Indirect evaporation heat exchange refrigeration.
In this embodiment, when outdoor environment temperature To is less than or equal to the first preset value and is more than or equal to the second preset value
When Tb, outdoor environment humidity Ho are less than or equal to third preset value Ha, start indirect-evaporation cooling pattern.Specifically, second is opened
It bypasses air-valve 4, close the first bypass air-valve 3, the hot-air come out from computer room passes through return air inlet 10, by 11 mistake of return air filter screen
After filter, by the second bypass air-valve 4, become cold air after carrying out hot-air and evaporation cooling heat transferring into indirect heat exchange core 1,
It is humidified using wet-membrane humidifier 14, the air of constant temperature and humidity is provided from wind turbine 12 to computer room;Outdoor cold air is by indirect
Heat exchange core body 1 makes the water evaporation on its surface form saturation water evaporation vapour, forms evaporation cooling, saturation water evaporation vapour is by air-cooled cold
Condenser 15 is from axial flow blower 16 from top pump drainage to air, and the second bypass air-valve 4 is opened completely at this time, allows the heat returned from computer room
Only by indirect heat exchange core 1, the first bypass air-valve 3 completely closes air.Sprayer Circulation water pump 17 works at this time, by catch basin
18 cold water pressurized delivered is uniformly sprayed to spray assemblies 8, by cold water in 1 outer surface of indirect heat exchange core.Unit passes through return air
Temperature Humidity Sensor 13 detects air return humiture value in real time, is compared with the return air temperature Ts of setting and humidity Hs, according to temperature
Degree demand automatically controls 16 rotating speed of axial flow blower, by adjusting by the air quantity of outdoor cold air, exists to control return air temperature
Range is set;Wet-membrane humidifier 14, which is controlled, according to moisture requirement carries out humidification process and the progress dehumidification treatments of evaporator 9, to
Return air humidity is controlled in setting range.Due to not needing the work of compressor 7, it can be achieved that reducing the energy consumption of air-conditioning equipment.
In any of the above-described embodiment, it is preferable that the first preset value is:The indoor target temperature of air-conditioning equipment is pre- with the 4th
If the difference of value.
In this embodiment, the first preset value is:The difference of the indoor target temperature of air-conditioning equipment and the 4th preset value.The
Four preset values can be specifically arranged according to the power consumption of equipment, heat condition in computer room, data center.It is pre- by the way that appropriate the 4th is arranged
If value so that when indoor environment temperature is more than the indoor set temperature such as computer room, data center and the difference of the 4th preset value,
Connect evaporation cooling mode and indirect air cooling mode cannot be satisfied computer room, data center cooling needs, need open press
Contracting machine 7 carries out 7 cooling mode of compressor.When outdoor environment temperature is less than or equal to the first preset value, indirect evaporation may be used
Cooling or indirect air cooling.It ensure that under the premise of meeting computer room, data center's cooling needs, reduce the fortune of air-conditioning equipment
Row energy consumption.
In any of the above-described embodiment, it is preferable that controller is specifically used for:When outdoor environment temperature is less than the second preset value
When, the first bypass of control air-valve 3, spray assemblies 8 are closed, the second bypass air-valve 4 is opened, the indoor hot-air that return air inlet 10 returns
Into indirect heat exchange core 1, indirect heat exchange refrigeration is carried out with outdoor air.
In this embodiment, when outdoor environment temperature To is less than the second preset value Tb, illustrate that outdoor temperature is relatively low at this time,
Using indirect air cooling mode.Specifically, the first bypass of control air-valve 3 is closed, the second bypass air-valve 4 is opened, and is gone out from computer room
The hot-air come passes through return air inlet 10, after the filtering of return air filter screen 11, by the second bypass air-valve 4, into indirect heat exchange
Core 1 carries out hot-air with outdoor Cryogenic air indirect heat exchange into cold air, is humidified using wet-membrane humidifier 14, by wind turbine 12
The air of constant temperature and humidity is provided to computer room.The hot-air shape that outdoor Cryogenic air comes out by indirect heat exchange core 1 with computer room
At vertical-horizontal cross flow one, by air-cooled condenser 15 from axial flow blower 16 from top pump drainage to air after enhanced heat exchange.By
Very low in outdoor temperature, indirect air-air cooling can meet heat exchange demand, avoid spray during water freezing, therefore
Sprayer Circulation water pump 17 does not work under the pattern.By the detection air return humiture value in real time of air return temperature humidity sensor 13, and set
The return air temperature Ts and humidity Hs set is compared, and 16 rotating speed of axial flow blower is automatically controlled according to temperature requirements, is passed through by adjusting
The air quantity for crossing outdoor cold air, to control return air temperature in setting range;According to moisture requirement control wet-membrane humidifier 14 into
Row humidification process and evaporator 9 carry out dehumidification treatments, to control return air humidity in setting range.By air heat-exchange
The cold of generation cannot be satisfied computer room, data center cooling needs in the case of, can open frequency-changeable compressor 7 supplement refrigeration,
Using indirect heat exchange refrigeration with mechanical refrigeration stack combinations operational mode, meet different operating mode machine room lowers, data center cooling
Demand.
Wherein, air-conditioning equipment further includes:Humidification 19 entrance of water circulating pump is equally connect with catch basin 18, and outlet adds with wet film
Wet device 14 connects, and droplet is flowed down from the moisture membrane surface of wet-membrane humidifier 14 when humidification, is finally guided to catch basin 18, circulating
Row;Catch basin 18 is provided with water supply solenoid valve 20, and the water of consumption can be replenished in time, and being provided with water level simultaneously in catch basin 18 opens
21 are closed, when water level is low, water level switch 21 sends a signal to water supply solenoid valve 20, to realize timely moisturizing, is reaching requirement water
Moisturizing is automatically closed when position;18 top of catch basin is provided with overflow pipe 22, and when water level is excessively high, overflow pipe 22 can be in time by water
Drain, prevents water level from overflowing.
The embodiment of second aspect of the present invention proposes a kind of control method of air-conditioning equipment, is applied to any of the above-described implementation
The air-conditioning equipment of example, Fig. 4 show the flow diagram of the control method of the air-conditioning equipment of one embodiment of the present of invention.Such as figure
1 to shown in Fig. 4, and control method includes:
Step 402, outdoor environment temperature and outdoor environment humidity are obtained;
Step 404, according to outdoor environment temperature and/or the range of outdoor environment humidity, the first bypass of control air-valve, second
Being turned on and off for bypass air-valve, makes air-conditioning equipment enter different operating modes.
The control method of air-conditioning equipment provided by the invention obtains outdoor environment temperature and outdoor environment humidity, root first
According to outdoor environment temperature and/or the range of outdoor environment humidity, control the first bypass air-valve 3, second bypasses air-valve 4 and opens or close
It closes, air-conditioning equipment is made to enter different operating modes.Embodiment provided by the invention, in air-conditioning equipment by determining outdoor environment
Temperature and/or outdoor environment humidity location to control into different operating modes, while controlling the first bypass air-valve 3
It is opened or closed with the second bypass air-valve 4, whether hot-air enters indirect heat exchange core 1 in flexible control room, realizes in room
Interior hot-air is unnecessary when entering indirect heat exchange core 1, directly passes through the cavity 2 around or within indirect heat exchange core 1 and enters
Other component reduces air drag, reduces the operation energy consumption of air-conditioning equipment.
Fig. 5 shows the flow diagram of the control method of the air-conditioning equipment of an alternative embodiment of the invention.Extremely such as Fig. 1
Shown in Fig. 3 and Fig. 5, this method includes:
Step 502, outdoor environment temperature is obtained;
Step 504, when outdoor environment temperature is more than the first preset value, control the first bypass air-valve is opened, second bypasses
The spray assemblies of air-valve and air-conditioning equipment are closed, the compressor of air-conditioning equipment is opened, the interior of the return air inlet return of air-conditioning equipment
After hot-air is via cavity, mechanical refrigeration is carried out into evaporator.
In this embodiment, when outdoor environment temperature is more than the first preset value, illustrate that outdoor environment temperature is enough at this time
Height, using indirect-evaporation cooling pattern and indirect air cooling mode cannot be satisfied computer room, data center cooling needs, this
When need use 7 cooling mode of frequency-changeable compressor, therefore, control compressor 7 open, control first bypass air-valve 3 open, second
It bypasses air-valve 4 to close, then the hot-air that computer room comes out passes through return air inlet 10, be directly over indirectly by the first bypass air-valve 3
On the one hand 2 part of cavity of heat exchange core body 1 is prevented without indirect heat exchange core 1 from the outdoor that computer room comes out air by high temperature
Air heats, and on the other hand due to being greatly reduced without 1 air drag of indirect heat exchange core, reduces the energy of air-conditioning equipment
Consumption.On the other hand, because need not be evaporated inside indirect heat exchange core 1, therefore spray assemblies 8 are closed, passes through Indoor Thermal sky
Gas carries out 7 mechanical refrigeration of compressor, is computer room, data center's fast-refrigerating, ensures machine by entering evaporator 9 after cavity 2
The normal work of equipment needs in room, data center.
Fig. 6 shows the flow diagram of the control method of the air-conditioning equipment of yet another embodiment of the present invention.Extremely such as Fig. 1
Shown in Fig. 3 and Fig. 6, this method includes:
Step 602, outdoor environment temperature and outdoor environment humidity are obtained;
Step 604, when outdoor environment temperature is less than or equal to the first preset value and is more than or equal to the second preset value, outdoor environment
When humidity is less than or equal to third preset value, control the first bypass air-valve is closed, the second bypass air-valve, spray assemblies are opened, return air
The indoor hot-air that mouth returns enters indirect heat exchange core and carries out indirect evaporation heat exchange refrigeration.
In this embodiment, when outdoor environment temperature is less than or equal to the first preset value and is more than or equal to the second preset value, room
When external environment humidity is less than or equal to third preset value, start indirect-evaporation cooling pattern.Specifically, open second bypass air-valve 4,
Close first bypass air-valve 3, so that indoor hot-air is entered indirect heat exchange core 1, at the same control spray assemblies 8 opening, start to
Indirect heat exchange core 1 is sprayed, and water can take away amount of heat in evaporation, so that the temperature of indirect heat exchange core 1 is reduced, indirectly
Indoor hot-air in heat exchange core body 1 carries out heat exchange with the indirect heat exchange core 1 after cooling, is then blown into interior, realizes and supply
It is cold.Outdoor cold air blows to indirect heat exchange core 1 simultaneously, accelerates the evaporation rate of the water on 1 surface of indirect heat exchange core, and then makes
The more quickly cooling of indirect heat exchange core 1, meanwhile, outdoor cold air can will also be mingled with dampening steaming around indirect heat exchange core 1
The humid air of gas is blown out from exhaust outlet, is avoided moisture in air-conditioning equipment from accumulating, is improved the efficiency and stability of air-conditioning equipment work.
Simultaneously because not needing the work of compressor 7, it can be achieved that reducing the energy consumption of air-conditioning equipment.
In any of the above-described embodiment, it is preferable that the first preset value is:The indoor target temperature of air-conditioning equipment is pre- with the 4th
If the difference of value.
In this embodiment, the first preset value is:The difference of the indoor target temperature of air-conditioning equipment and the 4th preset value.The
Four preset values can be specifically arranged according to the power consumption of equipment, heat condition in computer room, data center.It is pre- by the way that appropriate the 4th is arranged
If value so that when indoor environment temperature is more than the indoor set temperature such as computer room, data center and the difference of the 4th preset value,
Connect evaporation cooling mode and indirect air cooling mode cannot be satisfied computer room, data center cooling needs, need open press
Contracting machine 7 carries out 7 cooling mode of compressor.When outdoor environment temperature is less than or equal to the first preset value, indirect evaporation may be used
Cooling or indirect air cooling.It ensure that under the premise of meeting computer room, data center's cooling needs, reduce the fortune of air-conditioning equipment
Row energy consumption.
Fig. 7 shows the flow diagram of the control method of the air-conditioning equipment of another embodiment of the present invention.Extremely such as Fig. 1
Shown in Fig. 3 and Fig. 7, this method includes:
Step 702, outdoor environment temperature is obtained;
Step 704, when outdoor environment temperature is less than the second preset value, control first bypasses air-valve, spray assemblies are closed,
Second bypass air-valve is opened, and the indoor hot-air that return air inlet returns enters indirect heat exchange core, is changed indirectly with outdoor air
Refrigeration heat.
In this embodiment, when outdoor environment temperature is less than the second preset value, illustrate that outdoor temperature is relatively low at this time, use
Indirect air cooling mode.Specifically, the first bypass of control air-valve 3 is closed, the second bypass air-valve 4 is opened, and outdoor low temperature is empty
Gas forms vertical-horizontal cross flow one by indirect heat exchange core 1 and the hot-air that computer room comes out, and can be obtained after enhanced heat exchange
Preferable heat exchange effect;By air heat-exchange generate cold cannot be satisfied computer room, data center cooling needs situation
Under, the supplement refrigeration of frequency-changeable compressor 7 can be opened, it is full using indirect heat exchange refrigeration and mechanical refrigeration stack combinations operational mode
Foot difference operating mode machine room lowers, data center cooling needs.Since outdoor temperature is very low, water freezing during spray is avoided, because
This spray assemblies 8 and recirculated water air pump inoperative in this mode.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc.
Mean that particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one reality of the present invention
It applies in example or example.In the present specification, schematic expression of the above terms are not necessarily referring to identical embodiment or reality
Example.Moreover, description particular features, structures, materials, or characteristics can in any one or more of the embodiments or examples with
Suitable mode combines.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of air-conditioning equipment, which is characterized in that including:
Indirect heat exchange core, the indirect heat exchange core have cavity around or within;
First bypass air-valve, is set on front side of the cavity;
Second bypass air-valve, is set on front side of the indirect heat exchange core;
Outdoor sensor is set to the air inlet of the air-conditioning equipment, wet for obtaining outdoor environment temperature and outdoor environment
Degree;
Controller, for the range according to the outdoor environment temperature and/or outdoor environment humidity, control the first bypass wind
Valve, the second bypass air-valve are turned on and off, and the air-conditioning equipment is made to enter different operating modes.
2. air-conditioning equipment according to claim 1, which is characterized in that the air-conditioning equipment further includes:Compressor, spray group
Part, evaporator, the controller are specifically used for:
When the outdoor environment temperature is more than the first preset value, control the first bypass air-valve is opened, described second bypasses
Air-valve and the spray assemblies are closed, the compressor is opened, and the indoor hot-air that the return air inlet of the air-conditioning equipment returns passes through
After the cavity, mechanical refrigeration is carried out into the evaporator.
3. air-conditioning equipment according to claim 2, which is characterized in that the controller is specifically used for:
When the outdoor environment temperature is less than or equal to first preset value and is more than or equal to the second preset value, the outdoor environment
When humidity is less than or equal to third preset value, control the first bypass air-valve is closed, described second bypasses air-valve, the spray group
Part is opened, and the indoor hot-air that the return air inlet returns enters the indirect heat exchange core and carries out indirect evaporation heat exchange refrigeration.
4. air-conditioning equipment according to claim 2 or 3, which is characterized in that first preset value is:The air-conditioning equipment
Indoor target temperature and the 4th preset value difference.
5. air-conditioning equipment according to claim 3, which is characterized in that the controller is specifically used for:
When the outdoor environment temperature is less than second preset value, control the first bypass air-valve, the spray assemblies
It closes, the second bypass air-valve opening, the indoor hot-air that the return air inlet returns enters the indirect heat exchange core, with room
Outer air carries out indirect heat exchange refrigeration.
6. a kind of control method of air-conditioning equipment, which is characterized in that for controlling such as any one of the claims 1 to 5 institute
The air-conditioning equipment stated, the control method include:
Obtain outdoor environment temperature and outdoor environment humidity;
According to the outdoor environment temperature and/or the range of outdoor environment humidity, control the first bypass air-valve, described second
Being turned on and off for bypass air-valve, makes the air-conditioning equipment enter different operating modes.
7. the control method of air-conditioning equipment according to claim 6, which is characterized in that according to the outdoor environment temperature
And/or the range of outdoor environment humidity, control the first bypass air-valve, described second bypass being turned on and off for air-valve, make
The air-conditioning equipment enters different operating modes, specifically includes:
When the outdoor environment temperature is more than the first preset value, control the first bypass air-valve is opened, described second bypasses
The spray assemblies of air-valve and the air-conditioning equipment are closed, the compressor of the air-conditioning equipment is opened, the return air of the air-conditioning equipment
After the indoor hot-air that mouth returns is via the cavity, mechanical refrigeration is carried out into the evaporator.
8. the control method of air-conditioning equipment according to claim 7, which is characterized in that according to the outdoor environment temperature
And/or the range of outdoor environment humidity, control the first bypass air-valve, described second bypass being turned on and off for air-valve, make
The air-conditioning equipment enters different operating modes, specifically includes:
When the outdoor environment temperature is less than or equal to first preset value and is more than or equal to the second preset value, the outdoor environment
When humidity is less than or equal to third preset value, control the first bypass air-valve is closed, described second bypasses air-valve, the spray group
Part is opened, and the indoor hot-air that the return air inlet returns enters the indirect heat exchange core and carries out indirect evaporation heat exchange refrigeration.
9. the control method of air-conditioning equipment according to claim 7 or 8, which is characterized in that first preset value is:Institute
State the difference of the indoor target temperature and the 4th preset value of air-conditioning equipment.
10. the control method of air-conditioning equipment according to claim 8, which is characterized in that according to the outdoor environment temperature
And/or the range of outdoor environment humidity, control the first bypass air-valve, described second bypass being turned on and off for air-valve, make
The air-conditioning equipment enters different operating modes, specifically includes:
When the outdoor environment temperature is less than second preset value, control the first bypass air-valve, the spray assemblies
It closes, the second bypass air-valve opening, the indoor hot-air that the return air inlet returns enters the indirect heat exchange core, with room
Outer air carries out indirect heat exchange refrigeration.
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| CN201810570855.6A CN108692405B (en) | 2018-06-05 | 2018-06-05 | Air conditioning apparatus and control method of air conditioning apparatus |
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|---|---|---|---|
| CN201810570855.6A CN108692405B (en) | 2018-06-05 | 2018-06-05 | Air conditioning apparatus and control method of air conditioning apparatus |
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| CN111417283A (en) * | 2020-03-13 | 2020-07-14 | 苏州浪潮智能科技有限公司 | Fresh air type heat recovery data center cooling system |
| CN111520794A (en) * | 2019-02-01 | 2020-08-11 | 北京京东尚科信息技术有限公司 | Heat recovery heating system |
| CN112413755A (en) * | 2020-12-14 | 2021-02-26 | 珠海格力电器股份有限公司 | Precooling dehumidification device, method and system and air conditioning equipment |
| CN113108386A (en) * | 2021-04-30 | 2021-07-13 | 西藏宁算科技集团有限公司 | Air conditioning unit with wet film humidification function |
| WO2021169801A1 (en) * | 2020-02-27 | 2021-09-02 | 华为技术有限公司 | Refrigeration device, method and device for controlling same, and refrigeration system |
| CN114188859A (en) * | 2021-12-07 | 2022-03-15 | 山东电工电气集团智能电气有限公司 | Adjusting device and adjusting method for box-type substation |
| CN114370718A (en) * | 2020-10-15 | 2022-04-19 | 周雅娟 | Indirect evaporation refrigeration control system and control method |
| CN114576743A (en) * | 2020-11-30 | 2022-06-03 | 南京佳力图机房环境技术股份有限公司 | Indirect evaporation cooling unit suitable for high-heat weather |
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| CN113108386A (en) * | 2021-04-30 | 2021-07-13 | 西藏宁算科技集团有限公司 | Air conditioning unit with wet film humidification function |
| CN114188859A (en) * | 2021-12-07 | 2022-03-15 | 山东电工电气集团智能电气有限公司 | Adjusting device and adjusting method for box-type substation |
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