CN104374051A - Energy-saving control device of central air conditioner - Google Patents
Energy-saving control device of central air conditioner Download PDFInfo
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- CN104374051A CN104374051A CN201410655523.XA CN201410655523A CN104374051A CN 104374051 A CN104374051 A CN 104374051A CN 201410655523 A CN201410655523 A CN 201410655523A CN 104374051 A CN104374051 A CN 104374051A
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- water pump
- data processor
- sensor
- cooling tower
- switch board
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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
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
- F24F2110/12—Temperature of the outside air
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/40—Pressure, e.g. wind pressure
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Atmospheric Sciences (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses an energy-saving control device of a central air conditioner. The energy-saving control device comprises a central controller, a freezing water pump, a cooling water pump, a cooling tower, a refrigerating main unit and an end device. The central controller comprises a data processor, the freezing water pump, the cooling water pump, the cooling tower, the refrigerating main unit and the end device are each provided with a sensor, and the sensors are respectively connected with the data processor and send work condition parameter data to the data processor. The central controller further comprises a cooling tower control cabinet connected with the cooling tower, a cooling water pump control cabinet connected with the cooling water pump and a freezing water pump control cabinet connected with the freezing water pump, and the cooling tower control cabinet, the cooling water pump control cabinet and the freezing water pump control cabinet are respectively connected with the data processor and receive instructions sent by the data processor and control the cooling tower, the cooling water pump and the freezing water pump to operate respectively according to the instructions sent by the data processor. The energy-saving control device has the advantages of being compact in structure and good in energy-saving effect.
Description
Technical field
The present invention relates to central air-conditioning energy technical field, particularly relate to a kind of central air conditioner energy-saving control device.
Background technology
Central air conditioner system is as the important component part of building system, its proportion accounting for whole building system energy power consumption is very large, according to statistics, the energy resource consumption of building trade accounts for 30% of national total energy consumption, and air-conditioning system institute consuming electric power accounts for 70% of whole building power consumption, the total power consumption about 18% of Zhan Quan company, along with the demand of Humanizing of architecture service, this numeral also can constantly increase.Therefore, the energy-conservation of air-conditioning system saves business electrical expenditure to the power consumption of reduction building system, and optimizing State Grid's structure has very important meaning and function.
With regard to any architectural design, for making air-conditioning system can ensure the refrigeration requirement of building interior at annual arbitrary period, be all choose type by about 115% of the refrigeration demand needed for the most hot weather in locality when selecting air-conditioning system.In the running of central air-conditioning, main frame, water pump, cooling tower etc., all without any fluctuant loading ability, cause central air-conditioning to run under higher operating mode for a long time, cause a large amount of energy wastes.Particularly when Changes in weather, as temperature when summer rains is not high, refrigeration requirement reduces, but central air-conditioning operates in again near declared working condition, causes waste of energy.
According to relevant statistics, Central air-conditioning unit has and is in non-fully loaded running status the running time of 90%, and chilled water pump, cooling water pump and water tower blower fan are still in the oepration at full load state of 100% within this time of 90%, all can not for cold load change, corresponding proportion increase and decrease its power output according to reality, which results in the phenomenon that " the little temperature difference of large discharge " and the temperature difference of freezing water and cooling water cannot be effectively controlled.Meanwhile, the water leaving water temperature that freezes of common handpiece Water Chilling Units is all set as about 7.0 DEG C, and what can not change handpiece Water Chilling Units in real time according to the change of outdoor temperature humidity freezes water water outlet temperature setting, therefore causes a large amount of electric energy to waste.
In air-conditioning energy consumption management, Main Basis data center systems management method and strategy reach energy-conservation object, but traditional Db Management Model carrys out control system equipment to reach total energy-saving object by each device parameter of pre-defined air-conditioning system, due to air-conditioning system complex structure, operating condition is in real-time change, rely on and set firmly the method that parameter carrys out custom-built system Energy Saving Strategy system can not be made to operate in maximum energy-saving state all the time, the clock availability setting firmly parameter is poor.
As from the foregoing, existing central air conditioner system all along with the respective change for the increase and decrease of refrigeration duty, can not make running operating mode far depart from the optimal operating condition of system, thus causes whole central air conditioner system efficiency to reduce in running.This is the insurmountable a great problem of conventional central operation of air conditioner mode always.
Summary of the invention
For above problem, the invention provides a kind of energy-efficient central air conditioner energy-saving control device, comprise central controller, chilled water pump, cooling water pump, cooling tower, refrigeration host computer and end-equipment, described central controller comprises data processor, described chilled water pump, cooling water pump, cooling tower, refrigeration host computer and end-equipment are respectively arranged with sensor, and described sensor is connected with described data processor respectively and sends duty parameter data to described data processor;
The chilled water pump switch board that described central controller also comprises the cooling tower switch board be connected with described cooling tower, the cooling water pump switch board be connected with described cooling water pump and is connected with described chilled water pump, described cooling tower switch board, cooling water pump switch board and chilled water pump switch board are connected with described data processor respectively and receive the instruction that described data processor sends, then control described cooling tower, cooling water pump and chilled water pump according to the instruction that described data processor sends and run.
Further, the described sensor be connected with data processor comprises temperature sensor, pressure sensor, flow sensor and power sensor, wherein, described data processor be arranged on outdoor outdoor temperature sensor, be arranged on indoor indoor temperature transmitter and the temperature sensor be arranged on end-equipment is connected, and reception is by the indoor and outdoor temperature of the temperature sensor feedback on described outdoor temperature sensor, described indoor temperature transmitter and described end-equipment and air-conditioning design temperature;
Described chilled water pump backwater port is provided with temperature sensor, pressure sensor and flow sensor, described temperature sensor, pressure sensor and flow sensor are connected with described data processor and feed back the supply and return water temperature of described chilled water pump, pressure and flow to described data processor;
The Inlet and outlet water port of described cooling water pump is provided with temperature sensor, pressure sensor and flow sensor, and described temperature sensor, pressure sensor and flow sensor are connected with described data processor and feed back the Inlet and outlet water temperature of described cooling water pump, pressure and flow to described data processor;
The Inlet and outlet water port of described cooling tower is provided with temperature sensor, pressure sensor and flow sensor, and described temperature sensor, pressure sensor and flow sensor are connected with data processor and feed back the Inlet and outlet water temperature of described cooling tower, pressure and flow to described data processor;
Be provided with power sensor in described refrigeration host computer, described power sensor is connected with described data processor and feeds back the power output of described refrigeration host computer to described data processor.
Further, described chilled water pump, cooling water pump and cooling tower are respectively arranged with frequency converter.
Wherein, described in the frequency converter be arranged on cooling tower be connected with described cooling tower switch board, the instruction that described cooling tower switch board sends according to described data processor is run by Frequency Converter Control cooling tower.
The described frequency converter be arranged on cooling water pump is connected with described cooling water pump switch board, and the instruction that described cooling water pump switch board sends according to described data processor is run by Frequency Converter Control cooling water pump.
The described frequency converter be arranged on chilled water pump is connected with described chilled water pump switch board, and the instruction that described chilled water pump switch board sends according to described data processor is run by Frequency Converter Control chilled water pump.
Concrete, described data processor comprises detector, processor, memory, display and information generator, and described detector, processor, memory, display are connected successively with information generator.
Concrete, described data processor is single-chip microcomputer, DDC, PCL or industrial computer.
Concrete, described sensor sends duty parameter data by ICP/IP protocol to described data processor.
Concrete, described detector is provided with accident warning device.
Due to above technical scheme, beneficial effect of the present invention is: 1, the present invention gathers the duty parameter data of air-conditioning system by sensor, and by duty parameter data described in the data processor processes of central controller, again described result is sent to each self-corresponding switch board, completes the regulation and control to system equipment by switch board.Wherein, artificial neural network introduced by described data processor, novel artifical nerve guide network is to the process advantage of non-linear complex data, Auto-matching goes out to meet the Energy Saving Strategy of current system refrigeration demand, under the prerequisite ensureing application performance demand, air-conditioning system is run with optimum efficiency all the time, reaches the object of reduction system total energy consumption.2, described detector is provided with accident warning device, once find that system cloud gray model is abnormal, will reports to the police by trigger alarm device, so that maintenance personal keeps in repair in time accordingly, improve maintenance efficiency.3, the present invention has compact conformation, the advantage that operational efficiency is high.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of a kind of central air conditioner energy-saving control device that the embodiment of the present invention provides;
Fig. 2 is the concrete structure schematic diagram of data processor in Fig. 1.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
The invention provides a kind of central air conditioner energy-saving control device, as shown in Figure 1, comprise central controller, chilled water pump 7, cooling water pump 8, cooling tower 9, refrigeration host computer and end-equipment, described central controller comprises data processor 6, described chilled water pump 7, cooling water pump 8, cooling tower 9, refrigeration host computer and end-equipment are respectively arranged with sensor, and described sensor is connected with described data processor 6 respectively and sends duty parameter data to described data processor 6; The chilled water pump switch board 61 that described central controller also comprises the cooling tower switch board 63 be connected with described cooling tower 9, the cooling water pump switch board 62 be connected with described cooling water pump 8 and is connected with described chilled water pump 7, described cooling tower switch board 63, cooling water pump switch board 62 and chilled water pump switch board 61 are connected with described data processor 6 respectively and receive the instruction that described data processor 6 sends, then control described cooling tower 9, cooling water pump 8 and chilled water pump 7 according to the instruction that described data processor 6 sends and run.
The described sensor be connected with data processor 6 comprises temperature sensor, pressure sensor, flow sensor and power sensor, wherein, described data processor 6 be arranged on outdoor outdoor temperature sensor, be arranged on indoor indoor temperature transmitter and the temperature sensor be arranged on end-equipment is connected, and reception is by the indoor and outdoor temperature of the temperature sensor feedback on described outdoor temperature sensor, described indoor temperature transmitter and described end-equipment and air-conditioning design temperature;
Described chilled water pump 7 backwater port is provided with temperature sensor, pressure sensor and flow sensor, described temperature sensor, pressure sensor and flow sensor are connected with described data processor 6 and feed back the supply and return water temperature of described chilled water pump 7, pressure and flow to described data processor 6;
The Inlet and outlet water port of described cooling water pump 8 is provided with temperature sensor, pressure sensor and flow sensor, and described temperature sensor, pressure sensor and flow sensor are connected with described data processor and feed back the Inlet and outlet water temperature of described cooling water pump, pressure and flow to described data processor 6;
The Inlet and outlet water port of described cooling tower 9 is provided with temperature sensor, pressure sensor and flow sensor, and described temperature sensor, pressure sensor and flow sensor are connected with data processor 6 and feed back the Inlet and outlet water temperature of described cooling tower, pressure and flow to described data processor 6;
Be provided with power sensor in described refrigeration host computer, described power sensor is connected with described data processor and feeds back the power output of described refrigeration host computer to described data processor 6.
Described chilled water pump 7, cooling water pump 8 and cooling tower 9 are respectively arranged with frequency converter.The described frequency converter be arranged on cooling tower 9 is connected with described cooling tower switch board 63, and the instruction that described cooling tower switch board 63 sends according to described data processor 6 is run by Frequency Converter Control cooling tower 9.The described frequency converter be arranged on cooling water pump 8 is connected with described cooling water pump switch board 62, and the instruction that described cooling water pump switch board 62 sends according to described data processor 6 is run by Frequency Converter Control cooling water pump 8.The described frequency converter be arranged on chilled water pump 7 is connected with described chilled water pump switch board 61, and the instruction that described chilled water pump switch board 61 sends according to described data processor 6 is run by Frequency Converter Control chilled water pump 7.
See Fig. 2, described data processor 6 comprises detector 601, processor 602, memory 603, display 604 and information generator 605, and described detector 601, processor 602, memory 603, display 604 are connected successively with information generator 605.
As preferably of the present invention, described data processor 6 is single-chip microcomputer, DDC, PCL or industrial computer.
As preferably of the present invention, described sensor sends duty parameter data by ICP/IP protocol to described data processor 6.
As preferably of the present invention, described detector 601 is provided with accident warning device.For in the prompting of system jam alarm, so that maintenance personal keeps in repair in time accordingly.
Beneficial effect of the present invention is: 1, the present invention gathers the duty parameter data of air-conditioning system by sensor, and by duty parameter data described in the data processor processes of central controller, again described result is sent to each self-corresponding switch board, completes the regulation and control to system equipment by switch board.Wherein, artificial neural network introduced by described data processor, novel artifical nerve guide network is to the process advantage of non-linear complex data, Auto-matching goes out to meet the Energy Saving Strategy of current system refrigeration demand, under the prerequisite ensureing application performance demand, air-conditioning system is run with optimum efficiency all the time, reaches the object of reduction system total energy consumption.2, described detector is provided with accident warning device, once find that system cloud gray model is abnormal, will reports to the police by trigger alarm device, so that maintenance personal keeps in repair in time accordingly, improve maintenance efficiency.3, the present invention has compact conformation, the advantage that operational efficiency is high.
Claims (10)
1. a central air conditioner energy-saving control device, comprises central controller, chilled water pump, cooling water pump, cooling tower, refrigeration host computer and end-equipment, it is characterized in that, described central controller comprises data processor,
Described chilled water pump, cooling water pump, cooling tower, refrigeration host computer and end-equipment are respectively arranged with sensor, and described sensor is connected with described data processor respectively and sends duty parameter data to described data processor;
The chilled water pump switch board that described central controller also comprises the cooling tower switch board be connected with described cooling tower, the cooling water pump switch board be connected with described cooling water pump and is connected with described chilled water pump, described cooling tower switch board, cooling water pump switch board and chilled water pump switch board are connected with described data processor respectively and receive the instruction that described data processor sends, then control described cooling tower, cooling water pump and chilled water pump according to the instruction that described data processor sends and run.
2. central air conditioner energy-saving control device according to claim 1, is characterized in that, the described sensor be connected with data processor comprises temperature sensor, pressure sensor, flow sensor and power sensor, wherein,
Described data processor be arranged on outdoor outdoor temperature sensor, be arranged on indoor indoor temperature transmitter and the temperature sensor be arranged on end-equipment is connected, and reception is by the indoor and outdoor temperature of the temperature sensor feedback on described outdoor temperature sensor, described indoor temperature transmitter and described end-equipment and air-conditioning design temperature;
Described chilled water pump backwater port is provided with temperature sensor, pressure sensor and flow sensor, described temperature sensor, pressure sensor and flow sensor are connected with described data processor and feed back the supply and return water temperature of described chilled water pump, pressure and flow to described data processor;
The Inlet and outlet water port of described cooling water pump is provided with temperature sensor, pressure sensor and flow sensor, and described temperature sensor, pressure sensor and flow sensor are connected with described data processor and feed back the Inlet and outlet water temperature of described cooling water pump, pressure and flow to described data processor;
The Inlet and outlet water port of described cooling tower is provided with temperature sensor, pressure sensor and flow sensor, and described temperature sensor, pressure sensor and flow sensor are connected with data processor and feed back the Inlet and outlet water temperature of described cooling tower, pressure and flow to described data processor;
Be provided with power sensor in described refrigeration host computer, described power sensor is connected with described data processor and feeds back the power output of described refrigeration host computer to described data processor.
3. central air conditioner energy-saving control device according to claim 1, is characterized in that, described chilled water pump, cooling water pump and cooling tower are respectively arranged with frequency converter.
4. the central air conditioner energy-saving control device according to claim 1 or 3, it is characterized in that, the described frequency converter be arranged on cooling tower is connected with described cooling tower switch board, and the instruction that described cooling tower switch board sends according to described data processor is run by Frequency Converter Control cooling tower.
5. central air conditioner energy-saving control device according to claim 1, it is characterized in that, the described frequency converter be arranged on cooling water pump is connected with described cooling water pump switch board, and the instruction that described cooling water pump switch board sends according to described data processor is run by Frequency Converter Control cooling water pump.
6. central air conditioner energy-saving control device according to claim 1, it is characterized in that, the described frequency converter be arranged on chilled water pump is connected with described chilled water pump switch board, and the instruction that described chilled water pump switch board sends according to described data processor is run by Frequency Converter Control chilled water pump.
7. central air conditioner energy-saving control device according to claim 1 and 2, it is characterized in that, described data processor comprises detector, processor, memory, display and information generator, and described detector, processor, memory, display are connected successively with information generator.
8. central air conditioner energy-saving control device according to claim 7, is characterized in that, described data processor is single-chip microcomputer, DDC, PCL or industrial computer.
9. central air conditioner energy-saving control device according to claim 2, is characterized in that, described sensor sends duty parameter data by ICP/IP protocol to described data processor.
10. according to central air conditioner energy-saving control device according to claim 1, it is characterized in that, described detector is provided with accident warning device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410655523.XA CN104374051A (en) | 2014-11-18 | 2014-11-18 | Energy-saving control device of central air conditioner |
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| CN201410655523.XA CN104374051A (en) | 2014-11-18 | 2014-11-18 | Energy-saving control device of central air conditioner |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104697388A (en) * | 2015-03-17 | 2015-06-10 | 芜湖凯博实业股份有限公司 | Energy-saving cooling tower control system and method |
| CN105276761A (en) * | 2015-10-15 | 2016-01-27 | 珠海格力电器股份有限公司 | Control system of air conditioner water system equipment |
| CN105546772A (en) * | 2016-03-04 | 2016-05-04 | 丽水学院 | Energy-saving control method of central air conditioner |
| CN106545930A (en) * | 2016-11-04 | 2017-03-29 | 广东汉维科技有限公司 | A kind of energy-efficient central air conditioner room and power-economizing method |
| CN106852075A (en) * | 2017-01-20 | 2017-06-13 | 郑州云海信息技术有限公司 | For the water-cooled refrigeration plant control system and control method of data center |
| CN107345703A (en) * | 2016-05-05 | 2017-11-14 | 谢必华 | A kind of big data energy-saving air central |
| CN112105233A (en) * | 2020-09-21 | 2020-12-18 | 北京百度网讯科技有限公司 | Energy-saving control method and device, electronic equipment and computer readable medium |
| CN113837831A (en) * | 2021-09-17 | 2021-12-24 | 上海美控智慧建筑有限公司 | Type selection method and device for air conditioner room and electronic equipment |
| WO2024179189A1 (en) * | 2023-02-28 | 2024-09-06 | 上海美控智慧建筑有限公司 | Air conditioner control system and hvac device |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104697388A (en) * | 2015-03-17 | 2015-06-10 | 芜湖凯博实业股份有限公司 | Energy-saving cooling tower control system and method |
| CN105276761A (en) * | 2015-10-15 | 2016-01-27 | 珠海格力电器股份有限公司 | Control system of air conditioner water system equipment |
| CN105546772A (en) * | 2016-03-04 | 2016-05-04 | 丽水学院 | Energy-saving control method of central air conditioner |
| CN107345703A (en) * | 2016-05-05 | 2017-11-14 | 谢必华 | A kind of big data energy-saving air central |
| CN106545930A (en) * | 2016-11-04 | 2017-03-29 | 广东汉维科技有限公司 | A kind of energy-efficient central air conditioner room and power-economizing method |
| CN106545930B (en) * | 2016-11-04 | 2019-09-27 | 广东汉维科技有限公司 | A kind of energy-efficient central air conditioner room and power-economizing method |
| CN106852075A (en) * | 2017-01-20 | 2017-06-13 | 郑州云海信息技术有限公司 | For the water-cooled refrigeration plant control system and control method of data center |
| CN112105233A (en) * | 2020-09-21 | 2020-12-18 | 北京百度网讯科技有限公司 | Energy-saving control method and device, electronic equipment and computer readable medium |
| CN112105233B (en) * | 2020-09-21 | 2023-05-12 | 北京百度网讯科技有限公司 | Energy saving control method, device, electronic equipment and computer readable medium |
| CN113837831A (en) * | 2021-09-17 | 2021-12-24 | 上海美控智慧建筑有限公司 | Type selection method and device for air conditioner room and electronic equipment |
| WO2024179189A1 (en) * | 2023-02-28 | 2024-09-06 | 上海美控智慧建筑有限公司 | Air conditioner control system and hvac device |
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