CN205372917U - Central air conditioning degree of depth energy -saving control system based on initiative optimizing - Google Patents
Central air conditioning degree of depth energy -saving control system based on initiative optimizing Download PDFInfo
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- CN205372917U CN205372917U CN201520852683.3U CN201520852683U CN205372917U CN 205372917 U CN205372917 U CN 205372917U CN 201520852683 U CN201520852683 U CN 201520852683U CN 205372917 U CN205372917 U CN 205372917U
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Abstract
The utility model relates to a central air conditioning degree of depth energy -saving control system based on initiative optimizing, a serial communication port, control system includes the host computer intelligent communication module with the cooling water set communication, the signal acquisition module be connected with air conditioner water system temperature, pressure, flow sensor, and the equipment electricity quantity acquisition module who is connected with host computer water pump smart electric meter, equipment intelligence drive module and the initiative optimizing controller be connected with host computer water pump cooling tower drive device, host computer intelligent communication module, signal acquisition module, equipment electricity quantity acquisition module, equipment intelligence drive module connect initiative optimizing controller through field bus simultaneously. The device structural design is ingenious, can improve whole equipment work efficiency, reduces and consumes electric energy consumption.
Description
Technical field
This utility model relates to a kind of control system, is specifically related to a kind of central air-conditioning degree of depth energy-saving control system based on active optimizing, belongs to air-conditioner control system technical field.
Background technology
The cold water main unit of traditional controlling system of central air conditioner, refrigerating water pump, cooling pump, cooling tower often adopts independent regulation control, the adding machine of handpiece Water Chilling Units does not consider maximum cooling capacity and the maximal efficiency the two factor of unit, the leaving water temperature of handpiece Water Chilling Units is all often manually go to set, traditional controlling system of central air conditioner tends not to consider chilled-water flow, cooling water flow, chilled water leaving water temperature, the usefulness of handpiece Water Chilling Units is affected by cooling water leaving water temperature, the setting value that chilled water controls frequency conversion according to temperature difference differential pressure is generally adopted artificial setting, it is set as how many also without foundation.The setting value that cooling water controls frequency conversion according to the temperature difference is generally adopted artificial setting, is set as how many also without foundation.The number of units of cooling tower and VFC keep cooling water return water temperature stably but which some cooling water return water temperature is stablized at, and the upper limit is how many, and lower limit is how much to be not aware that, accordingly, it would be desirable to a kind of new design solves above-mentioned technical problem.
Summary of the invention
This utility model is just for the technical problem existed in prior art, it is provided that a kind of central air-conditioning degree of depth energy-saving control system based on active optimizing, and the design of this apparatus structure is ingenious, it is possible to improve whole equipment work efficiency, reduces power consumption energy consumption.
In order to solve above-mentioned technical problem, the technical solution adopted in the utility model is as follows: a kind of central air-conditioning degree of depth energy-saving control system based on active optimizing, it is characterized in that, central air-conditioning degree of depth energy-saving control system based on active optimizing, it is characterized in that, described control system includes the main frame Intelligent communication module with handpiece Water Chilling Units communication, the signal acquisition module being connected with air-conditioner water system temperature and pressure transmitter, the equipment electric quantity acquisition module being connected with main frame water pump intelligent electric meter, drive the device intelligence that equipment is connected to drive module and active optimal-search control device with main frame water pump cooling tower, described main frame Intelligent communication module, signal acquisition module, equipment electric quantity acquisition module, device intelligence drives module to connect actively optimal-search control device by fieldbus simultaneously.
As a kind of improvement of the present utility model, described signal acquisition module is connected with temperature sensor, flow transducer, pressure transducer and outdoor temperature humidity sensor simultaneously, described signal acquisition module is set to two, i.e. signal acquisition module one and signal acquisition module two, wherein signal acquisition module one is connected with chilled water supply water temperature sensor, chilled water return water temperature sensor, chilled water pressure of supply water sensor, chilled water pressure of return water sensor, handpiece Water Chilling Units freezing water valve, chilled water flow quantity sensor, differential-pressure bypass valve by on-site cable；Signal acquisition module two is connected with cooling water leaving water temperature sensors, cooling water return water temperature sensor, outdoor temperature humidity sensor, handpiece Water Chilling Units cooling water valve by on-site cable.
As a kind of improvement of the present utility model, described device intelligence drive module setting is two, namely device intelligence drives module one and device intelligence to drive module two, wherein device intelligence drives the signal acquisition module one in module one to be connected with converter by cable, and converter is connected with chilled water pump by cable；
Device intelligence drives the signal acquisition module two in module two to be connected with converter by cable, and converter is connected with cooling water pump by cable.
As a kind of improvement of the present utility model, described equipment electric quantity acquisition module adopts the mode of handle net to be connected on the communication interface of refrigerating water pump intelligent electric meter, cooling pump intelligent electric meter, handpiece Water Chilling Units intelligent electric meter by Shielded Twisted Pair, and communications protocol adopts MODBUS-RTU.
As a kind of improvement of the present utility model, described chilled water supply water temperature sensor, chilled water return water temperature sensor, cooling water leaving water temperature sensors, cooling water return water temperature sensor are to be made up of QAE2174, and chilled water pressure of supply water sensor, chilled water pressure of return water sensor are to be made up of HUBA501.
As a kind of improvement of the present utility model, described converter is made up of Schneider ATV61, and signal acquisition module is made up of Siemens SR40.
As a kind of improvement of the present utility model, described equipment electric quantity acquisition module is to be made up of Siemens's CM1241 communication module and An Kerui PZ80 intelligent electric meter.
Relative to prior art, advantage of the present utility model is as follows: this technical scheme based on active optimizing central air-conditioning degree of depth energy-saving control system control on using cold water main unit, refrigerating water pump, cooling pump, cooling tower namely as a unitary analysis, it is subdivided into independent individual control, calculate the COP of whole system, and it is not only the COP of main frame, for the nonlinear and time-varying system existed between cold water main unit, refrigerating water pump, cooling pump, cooling tower, take the initiative optimal-search control logic, mathematical model complicated between abandoning, allows system independently find usefulness optimum point.Electricity consumption of equipment amount distribution of weights is adopted to carry out the priority level that decision device regulates, weight accounting is more big, and the priority of adjustment is more high, regulates target and is followed successively by from high to low: handpiece Water Chilling Units input quantity, handpiece Water Chilling Units leaving water temperature, cooling tower input quantity, cooling water flow, chilled-water flow.Handpiece Water Chilling Units input quantity: the gap between output cold and the efficient point of the maximum cooling capacity of analytical calculation every handpiece Water Chilling Units and pressure point of maximum efficiency and current handpiece Water Chilling Units, is automatically adjusted the input quantity of handpiece Water Chilling Units.Cooling water flow: the Flux efficiency value of analytical calculation cooling water pump, actively finds best efficiency point, and the input quantity of handpiece Water Chilling Units often changes once, and cooling water flow needs again to find best efficiency point.Chilled-water flow: the Flux efficiency value of analytical calculation cooling water pump, actively finds best efficiency point.Cooling tower input quantity: the analytical calculation cooling water temperature impact on handpiece Water Chilling Units COP, actively finds the cooling water temperature being conducive to improving the efficient point of handpiece Water Chilling Units COP, regulates the number of units of cooling tower.
Accompanying drawing explanation
Fig. 1 is central air-conditioning degree of depth energy-saving control system overall structure schematic diagram；
Fig. 2 is central air-conditioning degree of depth energy-saving control system equipment composition schematic diagram；
Fig. 3 is central air-conditioning degree of depth energy-saving control system equipment connection diagram.
Wherein: 1 handpiece Water Chilling Units, 2 cooling water pumps, 3 chilled water pumps, 4 cooling towers, 5 handpiece Water Chilling Units cooling water valves, 6 handpiece Water Chilling Units freezing water valves, 7 chilled water flow quantity sensors, 8, cooling water leaving water temperature sensors, 9 cooling water return water temperature sensors, 10 water knockout drums, 11 chilled water supply water temperature sensors, 12 water collectors, 13 chilled water return water temperature sensors, 14 differential-pressure bypass valves, 15 device intelligences drive module two, 16 device intelligences drive module one, 17 main frame Intelligent communication modules, 18 chilled water pressure of supply water sensors, 19 chilled water pressure of return water sensors, 20 outdoor temperature humidity sensors.
Detailed description of the invention
In order to deepen understanding and cognition of the present utility model, below in conjunction with accompanying drawing this utility model it is further described and introduce.
Embodiment 1: as shown in Fig. 1 Fig. 3, a kind of central air-conditioning degree of depth energy-saving control system based on active optimizing, described control system includes the main frame Intelligent communication module with handpiece Water Chilling Units communication, the signal acquisition module being connected with air-conditioner water system temperature and pressure transmitter, the equipment electric quantity acquisition module being connected with main frame water pump intelligent electric meter, drive the device intelligence that equipment is connected to drive module and active optimal-search control device with main frame water pump cooling tower, described main frame Intelligent communication module, signal acquisition module, equipment electric quantity acquisition module, device intelligence drives module to connect actively optimal-search control device by fieldbus simultaneously.Described signal acquisition module is connected with temperature sensor, flow transducer, pressure transducer and outdoor temperature humidity sensor simultaneously, described signal acquisition module is set to two, i.e. signal acquisition module one and signal acquisition module two, wherein signal acquisition module one is connected with following equipment by on-site cable: chilled water supply water temperature sensor 11, chilled water return water temperature sensor 13, chilled water pressure of supply water sensor 18,19 chilled water pressure of return water sensor, handpiece Water Chilling Units freezing water valve 6, chilled water flow quantity sensor 7, differential-pressure bypass valve 14 are connected；Signal acquisition module two is connected with following equipment by on-site cable: cooling water leaving water temperature sensors 8, cooling water return water temperature sensor 9, outdoor temperature humidity sensor 20, handpiece Water Chilling Units cooling water valve 5 are connected；Described device intelligence drive module setting is two, namely device intelligence drives module 1 and device intelligence to drive module 2 15, wherein device intelligence drives the signal acquisition module one in module 1 to be connected with converter by cable, and converter is connected with chilled water pump 3 by cable；Device intelligence drives the signal acquisition module two in module 2 15 to be connected with converter by cable, converter is connected with cooling water pump 2 by cable, described equipment electric quantity acquisition module adopts the mode of handle net to be connected on the communication interface of refrigerating water pump intelligent electric meter, cooling pump intelligent electric meter, handpiece Water Chilling Units intelligent electric meter by Shielded Twisted Pair, and communications protocol adopts MODBUS-RTU.
Embodiment 2: referring to Fig. 2, described chilled water supply water temperature sensor 11, chilled water return water temperature sensor 13, cooling water leaving water temperature sensors 8, cooling water return water temperature sensor 9 are to be made up of QAE2174, and chilled water pressure of supply water sensor 18, chilled water pressure of return water sensor 19 are to be made up of HUBA501.
Embodiment 3: referring to Fig. 2, as a kind of improvement of the present utility model, described converter is made up of Schneider ATV61, and signal acquisition module is made up of Siemens SR40.
Embodiment 4: referring to Fig. 2, as a kind of improvement of the present utility model, described equipment electric quantity acquisition module is to be made up of Siemens's CM1241 communication module and An Kerui PZ80 intelligent electric meter.
Operation principle: referring to Fig. 1-Fig. 3, main frame Intelligent communication module adopts MODBUS communication modes and multiple stage handpiece Water Chilling Units to set up communication, it is responsible for the inner parameter of main frame, it is sent to actively optimal-search control device including but not limited to Suck and exhaust pressure, current loads, chilled water leaving water temperature, start/stop of compressor state, operating current etc., and the control instruction of active optimal-search control device is sent to handpiece Water Chilling Units.Actively optimal-search control device mainly comprises Programmable Logic Controller and power module.Referring to Fig. 3, two signal acquisition module, one of them signal acquisition module is responsible for collection: chilled water supply water temperature sensor 11, chilled water return water temperature sensor 13, chilled water pressure of supply water sensor 18, chilled water pressure of return water sensor 19, handpiece Water Chilling Units freezing water valve 6, chilled water flow quantity sensor 7, these signals of differential-pressure bypass valve 14；Another one signal acquisition module is responsible for collection: cooling water leaving water temperature sensors 8, cooling water return water temperature sensor 9, outdoor temperature humidity sensor 20, these signals of handpiece Water Chilling Units cooling water valve 5.
Device intelligence drives module 2 15 main by 1# chilled water pump device intelligence driving module, 2# chilled water pump device intelligence driving module, 3# chilled water pump device intelligence driving module composition.Device intelligence drives module 1 main by 1# cooling water pump device intelligence driving module, 2# cooling water pump device intelligence driving module, 3# cooling water pump device intelligence driving module composition.Main frame Intelligent communication module 17 main frame Intelligent communication module adopts the mode of handle net to be connected on three handpiece Water Chilling Units communication interfaces by Shielded Twisted Pair, and communications protocol adopts MODBUS-RTU.
At least one in technical characteristic described in embodiment 2,3,4 and embodiment 1 can also be combined and form new embodiment by this utility model.
It should be noted that above-described embodiment, be not used for limiting protection domain of the present utility model, equivalents done on the basis of technique scheme or replacement each fall within this utility model scope of the claimed protection.
Claims (7)
1. the central air-conditioning degree of depth energy-saving control system based on active optimizing, it is characterized in that, described control system includes the main frame Intelligent communication module with handpiece Water Chilling Units communication, with air-conditioner water system temperature, pressure, the signal acquisition module that flow transducer connects, the equipment electric quantity acquisition module being connected with main frame water pump intelligent electric meter, drive the device intelligence that equipment is connected to drive module and active optimal-search control device with main frame water pump cooling tower, described main frame Intelligent communication module, signal acquisition module, equipment electric quantity acquisition module, device intelligence drives module to connect actively optimal-search control device by fieldbus simultaneously.
2. the central air-conditioning degree of depth energy-saving control system based on active optimizing according to claim 1, it is characterized in that, described signal acquisition module is simultaneously and temperature sensor, flow transducer, pressure transducer and outdoor temperature humidity sensor are connected, described signal acquisition module is set to two, i.e. signal acquisition module one and signal acquisition module two, wherein signal acquisition module one is by on-site cable and chilled water supply water temperature sensor, chilled water return water temperature sensor, chilled water pressure of supply water sensor, chilled water pressure of return water sensor, handpiece Water Chilling Units freezing water valve, chilled water flow quantity sensor, differential-pressure bypass valve is connected；Signal acquisition module two is connected with cooling water leaving water temperature sensors, cooling water return water temperature sensor, outdoor temperature humidity sensor, handpiece Water Chilling Units cooling water valve by on-site cable.
3. the central air-conditioning degree of depth energy-saving control system based on active optimizing according to claim 2, it is characterized in that, described device intelligence drive module setting is two, namely device intelligence drives module one and device intelligence to drive module two, wherein device intelligence drives the signal acquisition module one in module one to be connected with converter by cable, and converter is connected with chilled water pump by cable；
Device intelligence drives the signal acquisition module two in module two to be connected with converter by cable, and converter is connected with cooling water pump by cable.
4. the central air-conditioning degree of depth energy-saving control system based on active optimizing according to claim 3, it is characterized in that, described equipment electric quantity acquisition module adopts the mode of handle net to be connected on the communication interface of refrigerating water pump intelligent electric meter, cooling pump intelligent electric meter, handpiece Water Chilling Units intelligent electric meter by Shielded Twisted Pair, and communications protocol adopts MODBUS-RTU.
5. according to the central air-conditioning degree of depth energy-saving control system based on active optimizing described in claim 4, it is characterized in that, described chilled water supply water temperature sensor, chilled water return water temperature sensor, cooling water leaving water temperature sensors, cooling water return water temperature sensor are to be made up of QAE2174, and chilled water pressure of supply water sensor, chilled water pressure of return water sensor are to be made up of HUBA501.
6. the central air-conditioning degree of depth energy-saving control system based on active optimizing according to claim 4 or 5, it is characterised in that described converter is made up of Schneider ATV61, and signal acquisition module is made up of Siemens SR40.
7. the central air-conditioning degree of depth energy-saving control system based on active optimizing according to claim 6, it is characterised in that described equipment electric quantity acquisition module is to be made up of Siemens's CM1241 communication module and An Kerui PZ80 intelligent electric meter.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106679103A (en) * | 2017-01-10 | 2017-05-17 | 深圳达实智能股份有限公司 | Water supply control method and device for freezing pump of central air conditioning system |
| CN109654707A (en) * | 2019-02-21 | 2019-04-19 | 陈碧贤 | Energy-saving control method for central air conditioner based on edge effect |
| CN110118419A (en) * | 2018-02-05 | 2019-08-13 | 清云建设有限公司 | A kind of long-range operation and maintenance optimization system control method of central air-conditioning |
| CN110118423A (en) * | 2018-02-05 | 2019-08-13 | 清云建设有限公司 | A kind of central air-conditioning energy-saving control system |
| CN110940061A (en) * | 2019-12-17 | 2020-03-31 | 珠海格力电器股份有限公司 | Central air conditioner control method and system |
| CN113446705A (en) * | 2020-03-26 | 2021-09-28 | 南京福加自动化科技有限公司 | Energy-saving control system and control method for subway efficient machine room |
| CN113757938A (en) * | 2021-09-14 | 2021-12-07 | 山东澳信供热有限公司 | Control method of central air conditioner |
-
2015
- 2015-10-30 CN CN201520852683.3U patent/CN205372917U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106679103A (en) * | 2017-01-10 | 2017-05-17 | 深圳达实智能股份有限公司 | Water supply control method and device for freezing pump of central air conditioning system |
| CN110118419A (en) * | 2018-02-05 | 2019-08-13 | 清云建设有限公司 | A kind of long-range operation and maintenance optimization system control method of central air-conditioning |
| CN110118423A (en) * | 2018-02-05 | 2019-08-13 | 清云建设有限公司 | A kind of central air-conditioning energy-saving control system |
| CN109654707A (en) * | 2019-02-21 | 2019-04-19 | 陈碧贤 | Energy-saving control method for central air conditioner based on edge effect |
| CN110940061A (en) * | 2019-12-17 | 2020-03-31 | 珠海格力电器股份有限公司 | Central air conditioner control method and system |
| CN113446705A (en) * | 2020-03-26 | 2021-09-28 | 南京福加自动化科技有限公司 | Energy-saving control system and control method for subway efficient machine room |
| CN113446705B (en) * | 2020-03-26 | 2023-08-15 | 南京福加自动化科技有限公司 | Energy-saving control system and control method for subway efficient machine room |
| CN113757938A (en) * | 2021-09-14 | 2021-12-07 | 山东澳信供热有限公司 | Control method of central air conditioner |
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