CN205717751U - A kind of efficient control system of central air-conditioning Cooling and Heat Source machine room - Google Patents
A kind of efficient control system of central air-conditioning Cooling and Heat Source machine room Download PDFInfo
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- CN205717751U CN205717751U CN201620381294.1U CN201620381294U CN205717751U CN 205717751 U CN205717751 U CN 205717751U CN 201620381294 U CN201620381294 U CN 201620381294U CN 205717751 U CN205717751 U CN 205717751U
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Abstract
The utility model provides a kind of efficient control system of central air-conditioning Cooling and Heat Source machine room, including the first temperature collecting device, flow harvester, pressure reduction harvester, second temperature collecting device, humiture collection device, the first electric power acquisition device, the second electric power acquisition device, water consumption harvester, perform controller, cooling tower controller, machine room controller；Described first electric power acquisition device, the first temperature collecting device, flow harvester, pressure reduction harvester are all connected with described execution controller；Described second electric power acquisition device, water consumption harvester, the second temperature collecting device, humiture collection device are all connected with described cooling tower controller, and described execution controller and cooling tower controller are all connected with machine room controller.The efficient control system of central air-conditioning Cooling and Heat Source machine room that the utility model provides, can realize carrying out Cooling and Heat Source room system the collaborative high-efficiency operation control of overall process.
Description
Technical field
The utility model provides a kind of efficient control system of central air-conditioning Cooling and Heat Source machine room.
Background technology
Central air-conditioning cold heat room system accounts for about the 70% of whole central air conditioner system power consumption, and therefore cold/heat source room system is comprehensive
Close operational efficiency height, be an important indicator of the whole central air conditioner system of reflection whether efficient energy-saving, existing central air-conditioning
Cold/heat source room system is under actual motion state, it is impossible to combines actual environment epidemic disaster, indoor actual negative charge values, automatically controls
In machine room processed, equipment runs quantity and the temperature change for cold heat, it is impossible to intuitively dynamically monitors, record whole central air conditioner system
Every service data, evaluate and test real-time cold/heat source room system comprehensive operation efficiency, it is impossible to dynamic corrections cold/heat source room system
Various equipment collaboration Effec-tive Function, can not constant cold/heat source room system bear annual comprehensive operation efficiency >=design is full simultaneously
In lotus efficiency value, only system, the interlocking of equipment runs control.
Owing to central air-conditioning cold/heat source room system is during whole year operation, the time of oepration at full load accounts for about 10%, part
The time of load operation accounts for 90% more than, therefore system design full load efficiency value, it is impossible to real reflection cold/heat source room system
Overall efficiency value during actual motion.But current Energy Saving of Central Air-conditioning index evaluation is all to use design drawing data,
The efficiency that can not be deep into running carries out energy-saving index assessment, unlikely persistently assesses within the lifetime of system phase.
So current machine room group control system controls just for equipment interlocking in cold/heat source room system, the independent frequency conversion of chilled water pump is adjusted
The control system of joint, it is impossible to realize all devices optimal control in dynamic regulation of cold/heat source room system, it is impossible to realize the former machine of cold heat
The main cause of the annual overall efficiency value >=design full load efficiency value of house system.
Existing central air conditioner room group control system has a following deficiency in using:
1st, only making interlocking to the equipment of cold/heat source room system and running control, the controller of setting, sensor deficiency of counting does not conforms to
Reason, it is impossible to realize comprehensive data acquisition and the control of every equipment in system, therefore in actual moving process, it is impossible to it is right to realize
The dynamic cooperation control of every equipment, it is impossible to maintain whole system to operate under peak efficiency work at any load Duan Jun.Cannot
Dynamically, control accurately, record, the operational efficiency of evaluation and test cold/heat source room system；
2nd, it is foundation owing to not gathering the integrated operation data of enough cold/heat source room systems, so daily management and control
Being all to implement with reference to empirical value, the energy resource consumption causing miscarriage is serious, needs to put into substantial amounts of management manpower, simultaneously simultaneously
The comprehensive operation efficiency of cold/heat source room system can not be carried out precisely, science, evaluate and test targetedly, can only enter based on experience value
Row estimation, therefore also cannot carry out rationally, control accurately to the energy saving of cold/heat source room system.
3rd, two kinds of control models automatic, manual can only be realized, it is impossible to realize full-automatic, semi-automatic, manual three kind operational mode,
The energy-saving efficiency having given play to cold/heat source room system that can not deeply divide, energy-saving effect is not notable, it is impossible to effectively play energy-conservation fall
Consumption effect, serious has hit user, the investor input confidence on central air-conditioning energy lowers consumption and resolution.
Utility model content
Based on above deficiency, the technical problems to be solved in the utility model is to provide a kind of central air-conditioning Cooling and Heat Source machine room and efficiently controls
System, it can realize carrying out Cooling and Heat Source room system the collaborative high-efficiency operation control of overall process, it is achieved Cooling and Heat Source room system
Whole year operation efficiency >=design full load efficiency.
In order to solve above technical problem, the utility model have employed techniques below scheme:
A kind of efficient control system of central air-conditioning Cooling and Heat Source machine room, including for gathering the supply and return water temperature of chilled water and cooling down water
First temperature collecting device of Inlet and outlet water temperature, for gathering the flow harvester of the flow of chilled water and cooling water, is used for adopting
Collection chilled water pump lift and the pressure reduction harvester of cooling water pump lift, the second temperature for gathering cooling tower Inlet and outlet water temperature is adopted
Acquisition means, for detecting the humiture collection device of outdoor temperature humidity, for gathering the of the realtime power of cold water main unit and water pump
One electric power acquisition device, for gathering the second electric power acquisition device of cooling tower realtime power, is used for gathering cold/source room system consumption
The water consumption harvester of the water yield, enters line number for control the first temperature collecting device, flow harvester, pressure reduction harvester
According to collection, and control cold water main unit, the execution controller of Effec-tive Function worked in coordination with by water pump, for control the second temperature collecting device,
Humiture collection device carries out data acquisition, and controls cooling tower operation quantity and the cooling tower of regulation blower fan of cooling tower motor speed
Controller, for according to the temperature collecting, flow, pressure reduction, humiture, electric power and each equipment of water consumption Data Control association
With the machine room controller running；Described first electric power acquisition device, the first temperature collecting device, flow harvester, pressure reduction are adopted
Acquisition means is all connected with described execution controller；Described second electric power acquisition device, water consumption harvester, the second temperature acquisition
Device, humiture collection device are all connected with described cooling tower controller, and described execution controller and cooling tower controller are all and machine
Room controller connects.
Also include the first frequency converter for controlling pump rotary speed and for controlling the second frequency converter of cooling tower electric machine rotating speed, described
Controller controls cold water main unit by controlling the first frequency converter, Effec-tive Function worked in coordination with by water pump in execution, and described cooling tower controller leads to
Cross control the second frequency converter to regulate rotation speed of fan.
Described first temperature collecting device include for gather chilled water supply water temperature the first temperature sensor, for gathering freezing
Second temperature sensor of water return water temperature, for gathering the three-temperature sensor of cold in-water temperature and cold for gathering
But the 4th temperature sensor of water return water temperature.
Described flow harvester includes the first flow sensor for gathering chilled-water flow and for gathering cooling water flow
Second flow sensor.
Described pressure reduction harvester includes the first differential pressure pickup for detecting chilled water pump lift and for detecting cooling water pump
Second differential pressure pickup of lift.
Described Differential Pressure Unit also includes the 3rd differential pressure pickup for gathering chilled water supervisor's least favorable pressure reduction.
Described second temperature collecting device includes the 5th temperature sensor for gathering cooling tower inflow temperature and for gathering cooling
6th temperature sensor of tower leaving water temperature.
Also include for recording the server storing all data.
Also include the work station for man-machine interaction.
Using above technical scheme, the utility model achieves techniques below effect:
(1) the efficient control system device of the utility model central air-conditioning cold/heat source machine room, can be with omnibearing real-time monitoring, note
Record cold/heat source room system in every main frame chilled water Inlet and outlet water temperature, cooling water Inlet and outlet water temperature, air-cooled main frame enter wind-warm syndrome
The total cold and hot amount of output of degree, environment wet and dry bulb temperature, chilled-water flow, cooling water flow, every main frame and system, every master
The power consumption of the equipment such as machine, water pump, cooling tower, gathers the data obtained, automatic judgment the reality recording every main frame according to above
When operational efficiency, the transfer efficiency of every water pump, the overall efficiency of the cooling effectiveness of every cooling tower and whole machine room, really
Realize dynamic tracking control of full process and the control having actual dynamic data to be foundation, all devices in cold/heat source room system is carried out
Dynamic running process Real time Efficiency carries out evaluating and testing and record, provides accurate, perfect data for the continuous running efficiency of system that improves
Support, its can various data in dynamic acquisition central air conditioner system running, and the synthesis to whole central air conditioner system
Operational energy efficiency data carry out evaluation and test bulk registration.Because collecting the omnibearing data message of cold/heat source room system, ability
Realize carrying out cold/heat source room system the collaborative high-efficiency operation control of overall process, it is achieved cold/heat source room system whole year operation is imitated
Rate >=design full load efficiency.
(2) chilled water pump sets VFC, changes and cold according to the pressure reduction of actual measurement end chilled-water flow demand, index circuit
Freeze water Inlet and outlet water difference variation, be precisely controlled the running frequency of assignment of traffic and water pump, it is ensured that the supply backwater temperature difference of chilled water is more than
Or it is equal to design load, stop the not energy-conservation phenomenon of the little temperature difference of big flow.
(3) cooling water pump sets VFC, accurately controls refrigeration according to actual measurement discharge demand and cooling water Inlet and outlet water difference variation
The dynamic pressure balance of main frame shunt circuit and water pump operation frequency, it is ensured that the supply backwater temperature difference of cooling water is more than or equal to design load,
Stop the not energy-conservation phenomenon of the little temperature difference of big flow, and can guarantee that cold water main unit at peak efficiency section operation.
(4) automatically control, according to actual measurement cooling water flow, the cooling tower number of units putting into operation；According to leaving water temperature and outdoor wet bulb temperature
The difference change of degree controls the running frequency of blower fan respectively, it is ensured that the cold width of cooling tower is at optimal level, it is ensured that every cooling tower
The decline of the cooling capacity that the balance of leaving water temperature causes to cut down the imbalance of cooling, provides optimal cooling for cold water main unit
Effect, maintains cold/heat source room system Effec-tive Function.
Brief description
Fig. 1 is the system architecture diagram of the efficient control system of the utility model central air-conditioning Cooling and Heat Source.
Detailed description of the invention
As it is shown in figure 1, the utility model provides a kind of efficient control system of central air-conditioning Cooling and Heat Source machine room, including machine room control
The 1st, device performs controller the 4th, cooling tower controller the 5th, the first electric power acquisition device the 7th, the second electric power acquisition device the 10th, water consumption
Harvester the 11st, the first temperature collecting device, flow harvester, pressure reduction harvester, the second temperature collecting device, warm and humid
Degree harvester 23, wherein: the first temperature collecting device, the Inlet and outlet water of supply and return water temperature and cooling water for gathering chilled water
Temperature；Flow harvester, for gathering the flow of chilled water and cooling water；Pressure reduction harvester, is used for gathering chilled water pump
Lift and cooling water pump lift；Second temperature collecting device, is used for gathering cooling tower Inlet and outlet water temperature；Humiture collection device 23,
For detecting outdoor temperature humidity；First electric power acquisition device 7, for gathering the realtime power of cold water main unit and water pump；Second electricity
Force acquisition device 10, is used for gathering cooling tower realtime power；Water consumption harvester 11, is used for gathering cold/source room system consumption
The water yield；Perform controller 4, carry out data for control the first temperature collecting device, flow harvester, pressure reduction harvester
Gather, and control cold water main unit, Effec-tive Function worked in coordination with by water pump；Cooling tower controller 5, for control the second temperature collecting device,
Humiture collection device 23 carries out data acquisition, and controls cooling tower operation quantity and regulation blower fan of cooling tower motor speed；Machine room
Controller 1, is used for evaluating and testing Cooling and Heat Source room system overall efficiency, calculates end Real-time Load demand, automatically adjusts cold water main unit
Running number of units, automatic dynamic correction Cooling and Heat Source room system sets for cold and hot temperature, the collaborative efficiently fortune of control Cooling and Heat Source calculator room equipment
OK.Wherein, the model of machine room controller is AEE-963SL, and the model performing controller is AEE-963EL, and cooling tower controls
The model of device is AEE-963CS.
Wherein, the efficient control system of the utility model central air-conditioning Cooling and Heat Source machine room also includes the first change for controlling pump rotary speed
Frequently device 8 and for controlling the second frequency converter 9 of cooling tower electric machine rotating speed, described execution controller 4 is by controlling the first frequency converter 8
Control cold water main unit, Effec-tive Function worked in coordination with by water pump, and described cooling tower controller 5 regulates wind by controlling the second frequency converter 9
Machine rotating speed.
Wherein, described first temperature collecting device include for gather chilled water supply water temperature the first temperature sensor the 12nd, for
Gather the second temperature sensor of chilled water return water temperature the 13rd, for gathering the three-temperature sensor 14 of cold in-water temperature
And for gathering the 4th temperature sensor 15 of cooling water return water temperature.Described flow harvester includes for gathering chilled water
The first flow sensor 16 of flow and for gathering the second flow sensor 17 of cooling water flow.Described pressure reduction collection fills
Put and include the first differential pressure pickup 18 for detecting chilled water pump lift and for detecting the second pressure reduction of cooling water pump lift
Sensor 19.Described Differential Pressure Unit also includes the 3rd differential pressure pickup 20 for gathering chilled water supervisor's least favorable pressure reduction.First
Temperature sensor the 12nd, the second temperature sensor the 13rd, three-temperature sensor the 14th, the 4th temperature sensor the 15th, first flow passes
Sensor the 16th, second flow sensor the 17th, the first differential pressure pickup the 18th, the second differential pressure pickup 19 and the 3rd differential pressure pickup 20
It is connected with performing controller 4 by analog data collection circuit；First electric power acquisition device 7 uses Network electric meter, network electricity
Table, supervising device 6 and the first frequency converter 8 for control and monitoring collection cold water main unit service data are adopted by RS485 bus
It is connected with performing controller 4 communication by Modbus RTU communications protocol.
Wherein, described second temperature collecting device include the 5th temperature sensor 21 for gathering cooling tower inflow temperature and for
Gather the 6th temperature sensor 22 of cooling tower leaving water temperature.Humiture collection device 23 is particularly for collection outdoor temperature humidity
Meteorological sensor, the second electric power acquisition device 10 is Network electric meter, and water consumption harvester 11 is network water meter.5th temperature
Degree sensor the 21st, the 6th temperature sensor 22 and meteorological sensor are by analog data collection circuit and cooling tower controller 5
Connect；Second frequency converter the 9th, the second electric power acquisition device 10 and water consumption harvester 11 use Modbus by RS485 bus
RTU communications protocol is connected with cooling tower controller 5.Perform controller the 4th, cooling tower controller 5 by LAN and machine room control
Device 1 processed connects.
The efficient control system of the utility model central air-conditioning Cooling and Heat Source machine room also includes for recording the server 2 storing all data
With the work station 3 for man-machine interaction.Server 2 is connected with machine room controller 1 by LAN；Work station 3 passes through local
Network server 2 connects.
First differential pressure pickup 18 is arranged on chilled water pump water inlet pipe and water outlet pipe two side, and near the pump housing.Second differential pressure pickup 19
It is arranged on cooling water pump water inlet pipe and water outlet pipe two side, and near the pump housing.It is farthest that 3rd differential pressure pickup 20 is arranged on chilled water main line
That holds supplies return pipe two side.The water inlet pipe and water outlet pipe that 5th temperature sensor 21 and the 6th temperature sensor 22 are arranged on cooling tower is close
Cooling tower side.In humiture collection device 23 is arranged on 3 meters from cooling tower inlet side, air has circulated sunlight can not direct irradiation
Position.
The ambient air conditions that machine room controller 1 gathers according to humiture collection device 23, changes the operation of Cooling and Heat Source machine room automatically
Pattern.Machine room controller 1 gathers according to the first temperature sensor the 12nd, the second temperature sensor 13 and first flow sensor 16
The data arriving, calculate end demand load, the ambient air conditions gathering according to humiture collection device 23, revise cold water master
The leaving water temperature of machine, improves the operational efficiency of Cooling and Heat Source room system, calculates the operating unit collocation quantity of optimum efficiency, takes
Allot unit quantity and the output load of maximum efficiency.Realize that Cooling and Heat Source room system is transported under full load Duan Jun is in high efficiency
OK, annual comprehensive operation efficiency >=design full load efficiency is maintained.
First temperature sensor the 12nd, the second temperature sensor the 13rd, three-temperature sensor 14 and the 4th temperature sensor 15 detect
The freezing of cold water main unit, cooling water Inlet and outlet water temperature, first flow sensor 16 detects cold water main unit chilled-water flow, second
Quantity sensor 17 detects cold water main unit cooling water flow, dynamic acquisition temperature, data on flows, is sent to unit and performs controller 4
On, it is used for calculating handpiece Water Chilling Units and exports cold, heat in real time, calculate optimum water regulation according to the hot and cold gauge of real-time output cold
Freeze, cooling water pump running frequency, it is achieved the collocation of unit maximum efficiency runs.First differential pressure pickup 18 and the second pressure reduction
Sensor 19 detects lift under different frequency flow operating condition for the water pump, detects end system under different load operating mode simultaneously
Water resistance value, by data wire with perform controller 4 be connected, detect water pump optimum efficiency service data, for control logic provide
Optimizing water pump efficiency provides foundation.
Perform controller 4 and according to the chilled water supply and return water temperature of the cold water main unit detecting and cool down water Inlet and outlet water temperature and cold water
The chilled water of main frame, cooling water flow data, calculate unit and realize the cold heat power of output, dynamic regulation cooling, chilled water pump
Running status, it is achieved cooling, the freezing water yield match with unit power output, it is to avoid the energy waste of the little temperature of flow greatly.
Cooling water flow that cooling tower controller 5 collects according to second flow sensor 17, the 5th temperature sensor 21 and
The cooling tower Inlet and outlet water temperature of six temperature sensor 22 detections, the surrounding air humiture data of humiture collection device 23 detection,
Calculate cooling tower and start number of units, go out optimal cooling air quantity further according to cooling tower leaving water temperature and ambient temperature and humidity mathematic interpolation, control
Cooling tower fan operation frequency processed, it is achieved while providing optimal chilling temperature for cold water main unit, cooling tower peak efficiency is run.
Machine room controller 1 gathers the real-time power consumption of every equipment, the first temperature according to first network ammeter and the second Network electric meter
The sensor data that the 12nd, the second temperature sensor 13 and first flow sensor 16 collect, cold/source is evaluated and tested out in automatic computing
Real-time, day, the moon of room system, add up the data such as power consumption, power output, operational efficiency, thermal balance year.
Wherein, performing controller 4, cooling tower controller 5, first network ammeter, the second Network electric meter, the first frequency converter are the 8th,
Second frequency converter the 9th, network water meter, each temperature sensor, flow sensor, differential pressure pickup and meteorological sensor according to
The number of devices of cold/heat source room system configures different quantity, but its corresponding function is identical.
Under fully automatic mode runs, the first detected value according to outdoor air conditions and the heat Balance Calculation critical value of air conditioning area is entered
Row multilevel iudge, determines the operational mode of cold/heat source system, and operational mode is divided into summer cooling pattern, transition season cooling simultaneously
/ heat supply running pattern, Winter heat supply pattern and attended mode.Transition season operational mode is: simultaneously need to cooling and heating season；
Winter operation pattern is: individually need heating season；Operational mode on duty is: outdoor temperature is less than preset value or system is had a rest
Period.The pattern that operates above is according to the change of outdoor empty institute state or end control system signal, and automatic performance mode is changed.Half
Automatic operational mode, unit performs controller 4 and gathers cold water main unit, frequency converter, Network electric meter data, cold water main unit is freezing,
The temperature of cooling Inlet and outlet water, flow collection, for interlocked control such as the cold water main unit in single fighter, water pump, valves, water pump is transported
Line frequency is regulated, and constant single fighter runs under the conditions of optimal overall efficiency at each load Duan Jun.Simultaneously according to outdoor air conditions
Change dynamic corrections cold water main unit leaving water temperature, improve cold water main unit operational efficiency.Realize the automatical and efficient collaborative fortune of single fighter
OK.According to load self-regulation unit operation quantity, the optimum optimization distribution of equipment operational management for target of operational efficiency, root simultaneously
Preferential according to each unit of accumulated running time autobalance runs (effective for equal-wattage unit).According to outdoor air conditions
Change dynamic corrections machine room leaving water temperature, improves machine room operational efficiency.
The prime rate of load condensate electrical form providing according to cold water main unit manufacturer or curve, the inflow temperature of corresponding cooling water and
Chilled water water outlet temperature setting value determines the optimum load value of unit, if producer cannot provide also can enter water temperature according to cooling water
Degree and chilled water water outlet preset value calculation determine optimum load value, according to end load measurement demand, calculate the unit needing to put into
Specification and number of units, it is achieved optimum unit number control；By equal percentage flow-control freezing, cooling water, it is ensured that cold/heat source machine room
The full automatic high efficiency synthetic operation of system.Realizing the unattended equipment room of Automatic Control, continue saving substantial amounts of management cost,
The operational efficiency of cold/heat source room system is greatly improved again, saves the operating cost of central air conditioner system.
Intuitively, record the operational efficiency of every equipment accurately, provide science, accurately data to renewal of the equipment, be prevented effectively from
The wasting of resources that blindly more new equipment causes, allow administrative staff's science, judge renewal of the equipment necessity, minimizing highly energy-consuming accurately
Equipment continues to run with the energy waste causing, the simultaneously scientific, visual energy-saving effect evaluating and testing more new equipment.
Persistently record system synthesis operational efficiency, it is achieved the unreasonable power consumption point of dynamic analysis system, is constantly improve central air-conditioning
The efficient energy-saving of system runs, and provides service data true, accurate, is updated and conservation measures by continual data,
Realize real lasting energy-efficient operation.
Cold/heat source room system maintenance information is provided, passes through provided real time data and historical data comparison, to often simultaneously
Item maintenance, the effect safeguarded realize true, evaluation and test reliably and supervision.
Provide the benefit that acquired by the utility model:
1st, the efficient control system of the utility model central air-conditioning Cooling and Heat Source machine room realizes dynamic acquisition central air-conditioning cold/heat source machine room system
The various data of system, and all devices running all participations in cold heat room system, carry out process dynamics regulation control,
Realize that accurate Effec-tive Function controls, and enter Mobile state evaluation and test to operational efficiency result, the system data evaluation and test degree of accuracy up to ± 5%.
Realize that whole cold/heat source room system works in coordination with Effec-tive Function, reach the Energy Saving Control mesh of the annual optimum efficiency of cold/heat source room system
Mark.Allow design efficiency in actual motion effectively, realize really, solving that current Evaluation on Energy Saving only rests on cannot on design drawing
The industry difficult point realizing on real system runs.Energy Saving of Central Air-conditioning assessment is allowed to be deep in project the actual running results,
And can all realize lasting Evaluation on Energy Saving in the lifetime of system phase.
2nd, cold/heat source room system applies this efficient control system device, allows cold/heat source system operator, dynamic, accumulative having
Integrated operation efficiency data are foundation, science, rationally, easily, realize the energy-efficient operation of central air conditioner system constantly；
3rd, after the efficient control system device of cold/heat source room system application, central air conditioning equipment, system maintenance maintenance work are carried
Show and evaluate and test, maintaining effect is made science, just, intuitively evaluation and test and record.
4th, after the efficient control system device of cold/heat source room system application, the history run of every equipment and machine room can automatically be recorded
Data, energy is directly perceived, reasonably record the operational efficiency of every equipment, provides science, accurately data to renewal of the equipment, effectively
Avoid the wasting of resources that blindly more new equipment causes.Allow administrative staff's science, judge renewal of the equipment necessity accurately, reduce height
Energy consumption equipment continues to run with the energy waste causing, simultaneously science, the energy-saving effect after just evaluation and test more new equipment.
5th, after the efficient control system device of cold/heat source room system application, can effectively keep cold/heat source room system continual and steady
Ground Effec-tive Function, from system equipment startup optimization, just record preserves the data of all keys, allows further energy-conservation fall
Consumption offer science, accurately assessment foundation, provide safeguard for realizing saving energy and reduce the cost accurately, allows the energy-saving and cost-reducing input of each item all
It is that effect is significant.
6th, the popularization and application of the efficient control system of the utility model central air-conditioning Cooling and Heat Source machine room, can gather the substantial amounts of cold heat of storage
Source room system dynamic operation data, improve equipment operating efficiency, the energy-efficient central authorities of designing institute's design for industry device factory
Air-conditioning system and exploitation new high-efficiency equipment, government formulate Building Energy Conservation Policy provide a large amount of true, accurately, the preciousness of science former
Beginning service data.So the efficient control system of the utility model central air-conditioning Cooling and Heat Source machine room for energy-saving and cost-reducing bring positive raising,
Promotion functions, socialbenefit and economic effect is all quite notable.In building energy conservation implementation process, the input of cold/heat source energy saving of system is more
Add precisely, science, allow energy-conservation input and output be directly proportional, it is to avoid currently energy-conservation do not save money and neither energy-conservation do not save again the bad of money
Phenomenon.Raising owner, investor, in energy-saving and cost-reducing investment enthusiasm, contribute to the building energy conservation reduction of discharging policy that country advocates,
More effectively perform, implement, supervise.
It finally it is noted that these are only preferred embodiment of the present utility model, is not limited to the utility model,
Although being described in detail the utility model with reference to embodiment, for a person skilled in the art, it is still permissible
Technical scheme described in foregoing embodiments is modified, or carries out equivalent to wherein portion of techniques feature, but
Any modification, equivalent substitution and improvement etc. that are all within spirit of the present utility model and principle, that made, should be included in this reality
Within novel protection domain.
Claims (10)
- null1. the efficient control system of a central air-conditioning Cooling and Heat Source machine room，It is characterized in that: include the first temperature collecting device for the supply and return water temperature gathering chilled water and the Inlet and outlet water temperature of cooling water，For gathering the flow harvester of the flow of chilled water and cooling water，For gathering the pressure reduction harvester of chilled water pump lift and cooling water pump lift，For gathering the second temperature collecting device of cooling tower Inlet and outlet water temperature，For detecting the humiture collection device of outdoor temperature humidity，For gathering the first electric power acquisition device of the realtime power of cold water main unit and water pump，For gathering the second electric power acquisition device of cooling tower realtime power，For gathering the water consumption harvester of cold/source room system water consumption，For controlling the first temperature collecting device、Flow harvester、Pressure reduction harvester carries out data acquisition，And control cold water main unit、The execution controller of Effec-tive Function worked in coordination with by water pump，For controlling the second temperature collecting device、Humiture collection device carries out data acquisition，And control cooling tower operation quantity and the cooling tower controller of regulation blower fan of cooling tower motor speed，For according to the temperature collecting、Flow、Pressure reduction、Humiture、The machine room controller that electric power and each equipment collaboration of water consumption Data Control run；Described first electric power acquisition device, the first temperature collecting device, flow harvester, pressure reduction harvester are all connected with described execution controller；Described second electric power acquisition device, water consumption harvester, the second temperature collecting device, humiture collection device are all connected with described cooling tower controller, and described execution controller and cooling tower controller are all connected with machine room controller.
- 2. the efficient control system of central air-conditioning Cooling and Heat Source machine room according to claim 1, it is characterized in that: also include the first frequency converter for controlling pump rotary speed and for controlling the second frequency converter of cooling tower electric machine rotating speed, controller controls cold water main unit by controlling the first frequency converter, Effec-tive Function worked in coordination with by water pump in described execution, and described cooling tower controller regulates rotation speed of fan by controlling the second frequency converter.
- 3. the efficient control system of central air-conditioning Cooling and Heat Source machine room according to claim 1, it is characterised in that: described first temperature collecting device include for gather chilled water supply water temperature the first temperature sensor, for gather chilled water return water temperature the second temperature sensor, for gather cold in-water temperature three-temperature sensor and for gather cooling water return water temperature the 4th temperature sensor.
- 4. the efficient control system of central air-conditioning Cooling and Heat Source machine room according to claim 1, it is characterised in that: described flow harvester includes the first flow sensor for gathering chilled-water flow and for gathering the second flow sensor of cooling water flow.
- 5. the efficient control system of central air-conditioning Cooling and Heat Source machine room according to claim 1, it is characterised in that: described pressure reduction harvester includes the first differential pressure pickup for detecting chilled water pump lift and for detecting the second differential pressure pickup of cooling water pump lift.
- 6. the efficient control system of central air-conditioning Cooling and Heat Source machine room according to claim 5, it is characterised in that: described pressure reduction harvester also includes the 3rd differential pressure pickup for gathering chilled water supervisor's least favorable pressure reduction.
- 7. the efficient control system of central air-conditioning Cooling and Heat Source machine room according to claim 1, it is characterised in that: described second temperature collecting device includes the 5th temperature sensor for gathering cooling tower inflow temperature and for gathering the 6th temperature sensor of cooling tower leaving water temperature.
- 8. the efficient control system of central air-conditioning Cooling and Heat Source machine room according to claim 1, it is characterised in that: also include for recording the server storing all data.
- 9. the efficient control system of central air-conditioning Cooling and Heat Source machine room according to claim 1, it is characterised in that: also include the work station for man-machine interaction.
- 10. the efficient control system of central air-conditioning Cooling and Heat Source machine room according to claim 1, it is characterised in that: described system includes full-automatic unmanned on duty, semi-automatic efficient operation, manually independent control model.
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| CN106642577A (en) * | 2016-12-23 | 2017-05-10 | 新智能源系统控制有限责任公司 | Partitioned water supply variable flow control system based on comfort |
| CN108444065A (en) * | 2017-02-14 | 2018-08-24 | 维谛技术有限公司 | A kind of refrigeration control system of air-conditioner set, method, apparatus and air-conditioner set |
| CN108917136A (en) * | 2018-09-10 | 2018-11-30 | 上海嘉实（集团）有限公司 | A kind of air-conditioning system integrated control method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106642577A (en) * | 2016-12-23 | 2017-05-10 | 新智能源系统控制有限责任公司 | Partitioned water supply variable flow control system based on comfort |
| CN106642577B (en) * | 2016-12-23 | 2019-03-29 | 新智能源系统控制有限责任公司 | Water rationing vari- able flow control system based on comfort level |
| CN108444065A (en) * | 2017-02-14 | 2018-08-24 | 维谛技术有限公司 | A kind of refrigeration control system of air-conditioner set, method, apparatus and air-conditioner set |
| CN108444065B (en) * | 2017-02-14 | 2020-11-20 | 维谛技术有限公司 | Refrigeration control system, method and device of air conditioning unit and air conditioning unit |
| CN108917136A (en) * | 2018-09-10 | 2018-11-30 | 上海嘉实（集团）有限公司 | A kind of air-conditioning system integrated control method |
| CN111594990A (en) * | 2020-04-30 | 2020-08-28 | 江苏省同远节能科技有限公司 | Efficient energy-saving control system for central air conditioner |
| CN111706453A (en) * | 2020-06-24 | 2020-09-25 | 北京百度网讯科技有限公司 | Generator set preheating system and control method thereof |
| CN111897261A (en) * | 2020-07-29 | 2020-11-06 | 上海御威通信科技有限公司 | Comprehensive management system and method for data center machine room environment |
| CN111897261B (en) * | 2020-07-29 | 2023-01-03 | 上海御威通信科技有限公司 | Comprehensive management system and method for data center machine room environment |
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Effective date of registration: 20200521 Address after: Room 608, floor 4-9, No. 38, songsuoqian, Baogang Road, Haizhu District, Guangzhou City, Guangdong Province Patentee after: GUANGZHOU HAOMING ELECTRICAL AND MECHANICAL TECHNOLOGY Co.,Ltd. Address before: 510240, room 115, 902 South Village Road, Guangzhou, Guangdong, Haizhuqu District Patentee before: Liu Dinghua |