CN105135637B - Controlling system of central air conditioner - Google Patents
Controlling system of central air conditioner Download PDFInfo
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- CN105135637B CN105135637B CN201510593251.XA CN201510593251A CN105135637B CN 105135637 B CN105135637 B CN 105135637B CN 201510593251 A CN201510593251 A CN 201510593251A CN 105135637 B CN105135637 B CN 105135637B
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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
- F24F5/0003—Exclusively-fluid systems
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Abstract
Not good enough for existing similar product energy efficiency management and energy-saving effect is solved the present invention relates to a kind of controlling system of central air conditioner, science is owed in intelligent control and data acquisition, and the technical problem of the refrigerating mode less effective of water-cooling fan and design.The energy-saving control system includes refrigeration station computer room, computer, and its room end of pipeline connection, and refrigeration station computer room includes refrigeration host computer, refrigerating water pump, cooling pump, water collector, water knockout drum, heat-exchanger pump, and its frequency-conversion control cabinet and signal switch board；Its main points is that the computer analyzes the data of flowmeter, differential pressure pickup, temperature sensor transmission, by the frequency converter in frequency-conversion control cabinet to refrigerating water pump, cooling pump, heat-exchanger pump dynamic throttling instrument, and the dynamic controller of refrigeration host computer is controlled, it is controlled by water outlet of the electric control valve to water knockout drum；Original cooling tower or cascade frame is replaced with said structure, the lower header of cascade frame passes through drain valve and the water inlet pipe of cooling pump connects.
Description
Technical field
The present invention relates to controlling system of central air conditioner, is a kind of controlling system of central air conditioner.
Background technology
Central air conditioner system is usually to be made of cold and heat source system and air handling system, it uses liquid vaporization refrigeration
Principle provides institute's chilling requirement for air handling system, to offset the refrigeration duty of indoor environment；Heating system is air adjustment system
System is provided to offset the heat of indoor environment thermic load.But central hollow used by the fields such as some megastore, hotel, hospital
Adjusting system is generally computer-room air conditioning system, wherein relatively broad using water-cooled central air-conditioning, its Water-cooling type air conditioner into
The cooling tower of wind turbine cooling cascade is provided with air port, and the heat in room is taken away by water, or the external world
Heat gives room, and certain humidity is contained in air, and cold wind effect refrigeration and ventilation are more comfortable.Its operation principle is：First
Cold water is made by air-conditioner set, then air cooling, then air after cooling feeding is indoor；Meanwhile air-conditioner set can also
Produce cold water and remove heat is sent to cooling tower by cooling water, cooled down, cooling is over and returns to take away heat again, wraps
Include：Cooling water circulation, chilled water circulation, refrigerant circulation.Wherein, chilled water is contacted with cooling water by refrigerant circulation, system
Cryogen plays intermediation；Chilled water takes away the heat in room, and cooling water takes away the heat of chilled water.
But the above-mentioned general energy consumption of computer-room air conditioning system is higher, and lack of wisdom temperature treatment and regulation and control, to reduce above-mentioned machine
The energy consumption of room air-conditioning system, some producers have carried out existing central air conditioner system the technological improvement of energy-saving and emission-reduction.Such as China specially
The application number 200910192602.0 disclosed in sharp document, publication date 2011 year 04 month 20 days, " one kind is used for center to denomination of invention
The energy-saving control method of air-conditioner system "；The energy-saving control method is by multiple sensor gathered data, self-inspection data, control number
According to setting and display, mathematical logic analyzing and processing and control, perform data output, the output of operation data storage and remote monitoring system
Unite this six functions, central air conditioner system is carried out in real time and remote intelligent, the Energy Saving Control of automation；And by multichannel
The data of sensor collection, by the way that compared with the control data set, the data of self-test are controlled Data Analysis Services, from
And realize the automatic start to ancillary equipments such as the refrigerating water pump of central air conditioner system, cooling pump and cooling tower wind turbines, then
Central air conditioner system host is set to be run according to the pattern delayed startup of setting, and with the freezing of central air conditioner system host
The control data of the coolant-temperature gage setting of water, cooling water output with recycling entrance, the working status of control adjustment complete machine.It is but above-mentioned
The design of the energy efficiency management of central air conditioner system and existing similar product, energy-saving effect etc. or not good enough；In similar at the same time
The phenomenon that the water-cooling fan mode noise of Air-conditioning Cooling Tower is larger, and space is larger, and easily generation raindrop descend slowly and lightly is entreated,
Therefore further improve and perfect is needed.
The content of the invention
To overcome above-mentioned deficiency, the purpose of the present invention is providing a kind of controlling system of central air conditioner to this area, make
Its existing similar product energy efficiency management of solution and energy-saving effect be not good enough, and science, and water cooling wind are owed in intelligent control and data acquisition
The technical problem of the refrigerating mode less effective of machine.The purpose is to what is be achieved through the following technical solutions.
A kind of controlling system of central air conditioner, the energy-saving control system include refrigeration station computer room, computer, and its pipeline
The room end of connection, refrigeration station computer room include refrigeration host computer, refrigerating water pump, cooling pump, water collector, water knockout drum, heat-exchanger pump, and its
The relevant device of frequency-conversion control cabinet and signal switch board, computer and computer, control program, and frequency-conversion control cabinet and signal
Switch board forms fuzzy controller, water knockout drum connection water main, and the outlet pipe of water main and refrigerating water pump, refrigeration host computer go out
Water pipe connects, and water collector connection return main, the water inlet pipe of return main and refrigerating water pump connects, the outlet pipe of refrigeration host computer, cold
But the water inlet pipe and the cooling blower of cooling tower pumped connects, and the outlet pipe of cooling pump and the water inlet pipe junction of refrigeration host computer are equipped with
Cool down valve, the outlet pipe of refrigerating water pump and the outlet pipe junction of refrigeration host computer are equipped with freezing valve, heat-exchanger pump respectively with water knockout drum, collect
Hydrophone connects；Room end includes fan coil, building manager and split time type temperature controller, fan coil and is respectively arranged at
The air outlet in room, the circuit of split time type temperature controller, split time type temperature controller and fan coil is respectively equipped with room
Connection, the floor in room are respectively equipped with building manager, and the circuit of fan coil is connected with building manager respectively, Lou Dong management
Device is connected by signal switch board with computer respectively；It is characterized in that the refrigeration host computer, cooling pump, refrigerating water pump, heat-exchanger pump
Dynamic controller, cooling pump dynamic throttling instrument, refrigerating water pump dynamic throttling instrument, heat-exchanger pump dynamic throttling instrument are respectively equipped with, and respectively
It is connected by signal switch board with computer；Each bypass duct of the water knockout drum is respectively equipped with electric control valve, water collector it is each
Bypass duct distinguishes temperature sensor, and the outfall sewer of cooling pump is equipped with flowmeter, temperature sensor, and the water inlet manifold of refrigerating water pump is set
There are flowmeter, differential pressure pickup, temperature sensor, the outlet pipe of refrigeration host computer and water main are respectively equipped with temperature sensor,
Above-mentioned electric control valve, temperature sensor, flowmeter, differential pressure pickup, dynamic throttling instrument and dynamic controller pass through letter respectively
Number switch board is connected with computer；The computer divides the data of flowmeter, differential pressure pickup, temperature sensor transmission
Analysis, by the frequency converter in frequency-conversion control cabinet to refrigerating water pump, cooling pump, heat-exchanger pump dynamic throttling instrument, and refrigeration host computer
Dynamic controller is controlled, and is controlled by water outlet of the electric control valve to water knockout drum；When building manager passes through split
Between type temperature controller the temperature in room is adjusted, computer is by the circuit of fan coil to split time type temperature controller
Temperature is monitored.
Above-mentioned electric control valve realizes the balance control of tail end of central air conditioner energy, i.e., cold with reference to central air-conditioning multizone
(heat) measures equilibrium assignment energy-conserving control technology, and central air-conditioning cold and hot amount obscures pre- judgement energy-conserving control technology, to central air-conditioning
End carries out energy saving optimizing.Specially：According to the temperature difference size of each loop return water temperature and water main's measured temperature, in guarantee
On the premise of entreating each loop least favorable end water supply (pressure difference between water main and each loop backwater) of air-conditioning, pass through dynamic adjustment point
The electric control valve of each loop of hydrophone, makes the temperature difference of each loop reach unanimity, so as to reach the energy that each loop is obtained
Balanced with demand, reach the balance optimizing control of energy.When each loop return water temperature of central air-conditioning requirement is inconsistent, root
According to each loop return water temperature measured value compared with setting value, by dynamically adjusting the electric control valve of each loop, make each ring
Road actual temperature of return water reaches unanimity with design temperature, reaches tail end of central air conditioner cold equilibrium assignment optimal control, reaches high
Imitate energy saving.Also declining when central air-conditioning load pump frequency is adjusted to lower limit, tail end of central air conditioner load, water main and backwater
Pressure difference can gradually increase between manifold, balance the pressure at water main and return main both ends by adjusting differential-pressure bypass valve aperture at this time
Difference, makes unnecessary load water be mixed into backwater side, ensures that its pressure at two ends is maintained at constant pressure difference, is ensureing that central air-conditioning is cold and hot
While amount demand, reach the unit safety and management safety of protection refrigeration host computer.
The computer is connected with the Temperature and Humidity device of outdoor setting, the data parameters transmitted according to Temperature and Humidity device
Set the initial temperature in room.Since the factors such as cooling pump coolant-temperature gage and outdoor environment temperature, humidity are related, weather bar
The time variation of part and heat extraction load, influences the control targe that Frequency Converter Control mode reaches running efficiency of system optimization；Meanwhile room
The Temperature and Humidity device of outer installation is easy to and indoor control reference.
The split time type temperature controller replaces with interconnection type temperature controller, and interconnection type temperature controller is controlled by computer and networked
The initial temperature of type temperature controller.Interconnection type temperature controller possesses all functions that conventional blower coil pipe temperature controller possesses, and can control
System realizes the start and stop that temperature setting is transferred the files with display, third gear wind speed, and monitoring running state, remote on-off, two-way electronic valve are opened
Control etc. is closed, plain edition temperature controller can be substituted completely using interconnection type temperature controller.Meanwhile interconnection type temperature controller be suitable for industry,
The temperature control of business and family room, by the comparison of indoor temperature and design temperature, to the fan unit of air-conditioning system end
Pipe and motor-driven valve control, achieve the purpose that to adjust indoor temperature, improve comfort level and energy saving.
The cooling tower replaces with cascade frame, and the lower header of cascade frame is connected by drain valve and the water inlet pipe of cooling pump.
Cascade erection is disposed within or outdoor, is arranged at indoor cascade frame or equipped with glass divider wall.
The cascade is provided with minitype nozzle, lower header, water pump, booster pump, spongy layer, background light, filtering screen frame；Lower water
Case is connected by pipeline in cascade frame, and the upper tube of cascade frame is provided with minitype nozzle, and the filtering screen frame in lower header is equipped with sea
The junction of continuous layer, background light, water pump and upper water box is equipped with filter；The bottom of cascade frame is equipped with mounting base, and lower header is equipped with
Water injection valve, drain valve and water level sensor, background light, water pump, booster pump, water injection valve, drain valve and water level sensor, cascade frame
Control module be connected by signal switch board with computer, drain valve passes through suction pump and the water inlet pipe of cooling pump and connects.I.e.
The hot water of refrigeration host computer discharge is sent into cooling pump after being cooled down repeatedly up and down by the direct hanging type of cascade frame, for cooling pump to refrigeration
The cooling of host is supplied water；Meanwhile upper water box can be also set at the minitype nozzle of cascade frame, water is temporarily stored by upper water box
Source.
The minitype nozzle is miniature electromagnetic valve nozzle, and miniature electromagnetic valve nozzle is connected with the control module of cascade frame.It is logical
The effect that miniature electromagnetic valve nozzle produces easy to water curtain in control module and computer control cascade frame is crossed, so that water curtain effect
It is more preferably abundant.
The cascade is provided with projecting apparatus and sound equipment, and projecting apparatus and sound equipment are connected with the control module of cascade frame.Above-mentioned throwing
The water curtain effect of shadow instrument, sound equipment combination cascade frame, you can the broadcasting for water screen film or video.
The filtering screen frame of the lower header is equipped with numerical control gimbaled nozzle, steering motor and the cascade frame of numerical control gimbaled nozzle
Control module connects.Numerical control gimbaled nozzle is easy to control by control module and computer, while cascade frame produces water curtain,
Also different effect of fountain can be produced.
The cascade sets up and is placed in back pool, and back pool is equipped with filter layer with the place of communicating of lower header.Back pool is easy to
The water resource that cascade frame is scattered outside frame body recycles, and reuses, so as to save the waste of water resource.
The window of the room end is equipped with windowing controller, and windowing controller is connected by building manager and computer
Connect.So as to check whether room uses air-conditioning under windowing state by computer.
Energy-saving effect, the energy efficiency management of the present invention is good, and intelligent control and data acquisition are accurate, and the water-cooling pattern of cascade frame is made an uproar
Sound is small, takes up little area, using reasonable；Suitable for the variable-flow optimization and energy-saving and emission-reduction of central air-conditioning, and cooling assembly water cooling side
The structure of formula is improved.
Brief description of the drawings
Fig. 1 is the operation principle schematic diagram of the present invention.
Fig. 2 is the cascade frame structure diagram of the present invention.
Figure number and title：1st, refrigeration host computer, 2, cooling pump, 3, water-cooling fan, 4, refrigerating water pump, 5, water collector, 6, point
Hydrophone, 7, electric control valve, 8, freezing valve, 9, cooling valve, 10, cascade frame.
Embodiment
In conjunction with attached drawing, transformation of the present invention to existing Hospital Central Air-conditioning System, use and operation principle are made into one
Step description.As shown in Figure 1, the energy-saving control system includes refrigeration station computer room, computer, and its room end of pipeline connection,
Refrigeration station computer room includes refrigeration host computer, refrigerating water pump, cooling pump, water collector, water knockout drum, heat-exchanger pump, and its frequency-conversion control cabinet and letter
The relevant device of number switch board, computer and computer, control program, and frequency-conversion control cabinet and signal switch board form it is fuzzy
Controller, water knockout drum connection water main, water main and the outlet pipe of refrigerating water pump, the outlet pipe of refrigeration host computer connect, and catchment
Device connects return main, and the water inlet pipe of return main and refrigerating water pump connects, the outlet pipe of refrigeration host computer, the water inlet pipe of cooling pump with
The cooling blower connection of cooling tower, the outlet pipe of cooling pump and the water inlet pipe junction of refrigeration host computer are equipped with cooling valve, refrigerating water pump
Outlet pipe and the outlet pipe junction of refrigeration host computer be equipped with freezing valve, heat-exchanger pump is connected with water knockout drum, water collector respectively；Room
End includes fan coil, building manager and split time type temperature controller, and fan coil is respectively arranged at the air outlet in room,
Split time type temperature controller, the circuit connection of split time type temperature controller and fan coil, the building in room are respectively equipped with room
Floor is respectively equipped with building manager, and the circuit of fan coil is connected with building manager respectively, and building manager passes through letter respectively
Number switch board is connected with computer；It is characterized in that the refrigeration host computer, cooling pump, refrigerating water pump, heat-exchanger pump are respectively equipped with dynamic
Controller, cooling pump dynamic throttling instrument, refrigerating water pump dynamic throttling instrument, heat-exchanger pump dynamic throttling instrument, and controlled respectively by signal
Cabinet is connected with computer；Each bypass duct of the water knockout drum is respectively equipped with electric control valve, and each bypass duct of water collector is warm respectively
Sensor is spent, the outfall sewer of cooling pump is equipped with flowmeter, temperature sensor, and the water inlet manifold of refrigerating water pump is equipped with flowmeter, pressure
Gap sensor, temperature sensor, the outlet pipe of refrigeration host computer and water main are respectively equipped with temperature sensor, above-mentioned motorized adjustment
Valve, temperature sensor, flowmeter, differential pressure pickup, dynamic throttling instrument and dynamic controller pass through signal switch board and meter respectively
Calculation machine connects；The computer analyzes the data of flowmeter, differential pressure pickup, temperature sensor transmission, passes through frequency conversion
Frequency converter in switch board to refrigerating water pump, cooling pump, heat-exchanger pump dynamic throttling instrument, and refrigeration host computer dynamic controller into
Row control, is controlled by water outlet of the electric control valve to water knockout drum；Building manager passes through split time type temperature controller pair
Temperature in room is adjusted, and computer supervises the temperature of split time type temperature controller by the circuit of fan coil
Control.
The host operating parameter of the energy-saving control system：Load level absolute value or percentage；Supply water temperature setting value；It is cold
Freeze water water inlet and leaving water temperature；Cooling water is intake and leaving water temperature；Evaporator/condenser refrigerant pipeline pressure；Evaporator/condensation
The saturation temperature of device refrigerant；This run time and accumulated running time；The accumulative number of starts；Temperature of lubricating oil of compressor with and
Supply level.Security control parameter：Show various faults information and safety instruction, including：Date, time, shut down reason；Condensation
Hypertonia；Oil pressure is too low；High oil temperature；Compressor exhaust temperature is excessive；Evaporating pressure is too low.Operation control：Open at a distance
Dynamic and shutdown；Chilled water supply and return water temperature is reset；Motor current percentage is reset.Host Status is shown：Start and prepare；
Safeguard protection；Shut down.Flow and chilled water supply backwater temperature difference according to being gathered calculate current loads, and with historical record
Main unit load efficiency characteristic or experience main unit load efficiency characteristic, are put into operation by fuzzy inference rule to determine needs
Host number of units and specific unit, it is ensured that system has highest operational efficiency.The monitoring in groups of blower fan of cooling tower：Due to cooling water
The maximum unlatching for depending on blower fan of cooling tower of cooling, therefore to blower fan of cooling tower it is not recommended that doing frequency control.To cooling tower wind
The basic demand of machine control is the cooling water temperature for ensureing to handle by cooling tower (i.e. into the coolant water temperature of cooling-water machine condenser
Degree, is referred to as cooling tower supply water temperature) meet the requirement of refrigeration machine.In room band communication liquid crystal display temperature controller and
Relay output module, all temperature controller and output module are linked together, pass through journey by a common twisted-pair feeder
Sequence configuration is completed temperature controller and is bound with corresponding output module, and data are sent to control centre, control centre's electricity by bus
Brain is accessed and controlled to network by web browser.
Meanwhile as shown in Fig. 2, the cooling blower of the above-mentioned energy-saving control system, and cooling tower can also omit, pass through water
Curtain frame 10 replaces, and from solving cooling tower setting inconvenience in existing similar product, space hold is larger, and noise is larger, easily production
Unboiled water drop descends slowly and lightly.Specially：Cooling tower replaces with cascade frame, the lower header of cascade frame by drain valve with it is cold
But the water inlet pipe connection pumped；The cascade is provided with minitype nozzle, lower header, water pump, booster pump, spongy layer, background light, filtering
Screen frame；Lower header is connected by pipeline in cascade frame, and the upper tube of cascade frame is provided with minitype nozzle, the filter screen in lower header
Frame is equipped with spongy layer, background light, and the junction of water pump and upper water box is equipped with filter；The bottom of cascade frame is equipped with mounting base, under
Water tank is equipped with water injection valve, drain valve and water level sensor, background light, water pump, booster pump, water injection valve, drain valve and water level sensing
Device, the control module of cascade frame are connected by signal switch board with computer, the water inlet that drain valve passes through suction pump and cooling pump
Pipe connects.So as to control the equipment in cascade frame by computer, and realize that refrigeration host computer discharges hot water by minitype nozzle
Enter cooling pump after cooling, cooling water is provided for refrigeration host computer.Above-mentioned minitype nozzle can also use miniature electromagnetic valve nozzle, miniature
Magnetic valve sprayer is connected with the control module of cascade frame, and work and the water of minitype nozzle are controlled by computer.
According to said structure feature, cascade frame can also be equipped with projecting apparatus and sound equipment, the control of projecting apparatus and sound equipment and cascade frame
Molding block connects, consequently facilitating cascade frame is used as cascade curtain；The filtering screen frame of lower header is equipped with numerical control gimbaled nozzle, number
The steering motor of control gimbaled nozzle is connected with the control module of cascade frame, so that the cascade frame has fountain function；Cascade is set up
It is placed in back pool, back pool is equipped with filter layer with the place of communicating of lower header, consequently facilitating the Water Sproading being scattered recycles.Room
The window of end is equipped with windowing controller, and windowing controller is connected by building manager with computer.
Claims (4)
1. a kind of controlling system of central air conditioner, which includes refrigeration station computer room, computer, and its pipeline connects
The room end connect, refrigeration station computer room include refrigeration host computer (1), refrigerating water pump (4), cooling pump (2), water collector (5), water knockout drum
(6), the relevant device of heat-exchanger pump, and its frequency-conversion control cabinet and signal switch board, computer and computer, control program, and
Frequency-conversion control cabinet and signal switch board composition fuzzy controller, water knockout drum connection water main, water main and refrigerating water pump go out
The water inlet pipe of the outlet pipe connection of water pipe, refrigeration host computer, water collector connection return main, return main and refrigerating water pump connects, system
Cooling blower (3) connection of the outlet pipe of cold host, the water inlet pipe of cooling pump and cooling tower, outlet pipe and the refrigeration of cooling pump are led
The water inlet pipe junction of machine is equipped with cooling valve (9), and the outlet pipe of refrigerating water pump and the outlet pipe junction of refrigeration host computer are equipped with freezing
Valve (8), heat-exchanger pump are connected with water knockout drum, water collector respectively；Room end includes fan coil, building manager and split time
Type temperature controller, fan coil are respectively arranged at the air outlet in room, are respectively equipped with split time type temperature controller in room, during split
Between the circuit of type temperature controller and fan coil connect, the floor in room is respectively equipped with building manager, the circuit point of fan coil
The manager connection of Bie Yu buildings, building manager are connected by signal switch board with computer respectively；It is characterized in that the system
Cold host (1), cooling pump (2), refrigerating water pump (4), heat-exchanger pump are respectively equipped with dynamic controller, cooling pump dynamic throttling instrument, freezing
Dynamic throttling instrument, heat-exchanger pump dynamic throttling instrument are pumped, and is connected respectively by signal switch board with computer；The water knockout drum (6)
Each bypass duct be respectively equipped with electric control valve (7), each bypass duct of water collector (5) is respectively equipped with temperature sensor, cooling pump
(2) outfall sewer is equipped with flowmeter, temperature sensor, the water inlet manifold of refrigerating water pump (4) be equipped with flowmeter, differential pressure pickup,
Temperature sensor, the outlet pipe of refrigeration host computer (1) and water main are respectively equipped with temperature sensor, above-mentioned electric control valve, temperature
Sensor, flowmeter, differential pressure pickup, dynamic throttling instrument and dynamic controller is spent respectively by signal switch board and computer to connect
Connect；The computer analyzes the data of flowmeter, differential pressure pickup, temperature sensor transmission, passes through frequency-conversion control cabinet
Interior frequency converter to refrigerating water pump, cooling pump, heat-exchanger pump dynamic throttling instrument, and the dynamic controller of refrigeration host computer controlled
System, is controlled by water outlet of the electric control valve to water knockout drum；Building manager is by split time type temperature controller to room
Interior temperature is adjusted, and computer is monitored the temperature of split time type temperature controller by the circuit of fan coil；Institute
State cooling tower and replace with cascade frame (10), the lower header of cascade frame is connected by drain valve and the water inlet pipe of cooling pump；The water
Curtain frame (10) is equipped with minitype nozzle, lower header, water pump, booster pump, spongy layer, background light, filtering screen frame；Lower header passes through cascade
Pipeline connection in frame, the upper tube of cascade frame are provided with minitype nozzle, and the filtering screen frame in lower header is equipped with spongy layer, background
The junction of lamp, water pump and upper water box is equipped with filter；The bottom of cascade frame is equipped with mounting base, and lower header is equipped with water injection valve, row
Water valve and water level sensor, the control module of cascade frame are connected by signal switch board with computer, and drain valve passes through suction pump
It is connected with the water inlet pipe of cooling pump；The minitype nozzle is miniature electromagnetic valve nozzle, miniature electromagnetic valve nozzle and cascade frame (10)
Control module connection；The cascade is provided with the control module of projecting apparatus and sound equipment, projecting apparatus and sound equipment and cascade frame (10)
Connection；The filtering screen frame of the lower header is equipped with numerical control gimbaled nozzle, steering motor and the cascade frame (10) of numerical control gimbaled nozzle
Control module connection；The cascade frame (10) is arranged in back pool, and back pool is equipped with filter layer with the place of communicating of lower header.
2. controlling system of central air conditioner as claimed in claim 1, it is characterised in that the computer and outdoor setting
Temperature and Humidity device connects, the initial temperature in data parameters setting room transmitted according to Temperature and Humidity device.
3. controlling system of central air conditioner as claimed in claim 1, it is characterised in that the split time type temperature controller replaces
Interconnection type temperature controller is changed to, interconnection type temperature controller controls the initial temperature of interconnection type temperature controller by computer.
4. controlling system of central air conditioner as claimed in claim 1, it is characterised in that the window of the room end is equipped with
Open a window controller, and windowing controller is connected by building manager with computer.
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| CN201510593251.XA CN105135637B (en) | 2015-09-12 | 2015-09-12 | Controlling system of central air conditioner |
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| CN105135637B true CN105135637B (en) | 2018-05-11 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107339778A (en) * | 2017-07-11 | 2017-11-10 | 上海九谷智能科技有限公司 | A kind of HVAC energy consumption control system based on state recognition |
| CN109539433B (en) * | 2018-10-15 | 2022-03-25 | 平安科技（深圳）有限公司 | Cooling water series system, loop control method and storage medium |
| CN112628888B (en) * | 2020-04-03 | 2021-09-10 | 中山职业技术学院 | Hotel central air-conditioning energy-saving system based on wireless |
| CN112947285B (en) * | 2021-03-19 | 2022-05-31 | 厦门势拓伺服科技股份有限公司 | Power transformation and distribution room joint control energy-saving system |
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