TWI604162B - Automatic air conditioner operation capacity adjustment system and method - Google Patents

Automatic air conditioner operation capacity adjustment system and method Download PDF

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TWI604162B
TWI604162B TW105119388A TW105119388A TWI604162B TW I604162 B TWI604162 B TW I604162B TW 105119388 A TW105119388 A TW 105119388A TW 105119388 A TW105119388 A TW 105119388A TW I604162 B TWI604162 B TW I604162B
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air conditioner
capacity
power consumption
host
conditioner host
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TW105119388A
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TW201800704A (en
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Kuo Kai Liao
Wu Chieh Wu
Chin Yao Chang
Wei Huang
Jen Chung Liao
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Chunghwa Telecom Co Ltd
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/30Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00Control inputs relating to air properties
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2140/00Control inputs relating to system states
    • F24F2140/50Load
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2140/00Control inputs relating to system states
    • F24F2140/60Energy consumption

Description

自動空調運轉容量調整系統及方法 Automatic air conditioning operation capacity adjustment system and method
本發明係關於一種自動空調運轉容量調整系統及方法,同時紀錄空調運轉負載率並分析空調主機運轉效率趨勢與預測調控改善後之節能效益。 The invention relates to an automatic air conditioning operation capacity adjustment system and method, and records the air conditioning operation load rate and analyzes the air conditioning main engine operation efficiency trend and the energy saving benefit after the improvement of the forecasting control.
在節能減碳意識高漲下,降低能源使用為一重要議題。一般能源管理產品多是利用ICT技術完成用電資料收集進而提供管控能源設備或報表資料,但對於用戶具有多個空調機組並無最佳化之運轉策略。因此,如何讓耗電智能自動運轉控制模式方法,並設計空調主機耗能計算分析方式,幫助使用者可依據案場空調總運轉容量需要,使各空調主機都維持在高負載率成為各方所研究之課題。 Reducing energy use is an important issue under the awareness of energy conservation and carbon reduction. Most of the general energy management products use ICT technology to complete the collection of power data and provide control energy equipment or reporting materials. However, there is no optimal operation strategy for users with multiple air conditioning units. Therefore, how to make the power consumption intelligent automatic operation control mode method, and design the energy consumption calculation and analysis method of the air conditioner host, help the user to maintain the high load rate of each air conditioner host according to the total operation capacity of the air conditioner in the case. The subject of research.
本發明提供一種自動空調運轉容量調整系統,包括:一負載率分析模組、一運轉容量分析模組、一負載率與耗電轉換模組、一運轉容量控制模組、一節能效益分析模組以及一通訊與接取模組,其中負載率分析模組係依據複數個空調主機之冰水進水溫度、冰水出水溫度、冷卻水進 水溫度、冷卻水出水溫度以及運轉電流,並計算各空調主機之負載率;運轉容量分析模組係依據各空調主機之運轉狀態、冷凍能力設定以及負載率,並計算各空調主機之運轉容量,其中負載率與耗電轉換模組係依據各空調主機之運轉曲線設定,轉換各空調主機所對應負載率下之每冷凍噸耗電(KW/RT),其中運轉容量控制模組係依據各空調主機之負載率、運轉容量及每冷凍噸耗電調整各空調主機之運轉,其中節能效益分析模組係計算各空調主機之耗電與節能效益,以及通訊與接取模組係提供負載率分析模組、運轉容量分析模組、負載率與耗電轉換模組、運轉容量控制模組及節能效益分析模組與各空調主機之連接。 The invention provides an automatic air conditioning operation capacity adjustment system, comprising: a load rate analysis module, an operation capacity analysis module, a load rate and power consumption conversion module, an operation capacity control module, and an energy saving benefit analysis module. And a communication and access module, wherein the load rate analysis module is based on the ice water inlet temperature, the ice water outlet temperature, and the cooling water of the plurality of air conditioner hosts. Water temperature, cooling water outlet temperature and running current, and calculate the load ratio of each air conditioner host; the operation capacity analysis module calculates the operating capacity of each air conditioner host according to the operating state, the freezing capacity setting and the load ratio of each air conditioner host. The load ratio and power consumption conversion module are set according to the operation curve of each air conditioner host, and convert the power consumption per ton (KW/RT) under the load rate corresponding to each air conditioner host, wherein the operation capacity control module is based on each air conditioner. The load rate, operation capacity and power consumption per ton of ton of the main engine adjust the operation of each air-conditioner host. The energy-saving benefit analysis module calculates the power consumption and energy-saving efficiency of each air-conditioner host, and the load-failure analysis is provided by the communication and access module. The module, the operation capacity analysis module, the load rate and power consumption conversion module, the operation capacity control module, and the energy efficiency analysis module are connected to each air conditioner host.
其中各空調主機之運轉曲線設定係為線性函數、多次函數、多段線性函數。 The operating curve setting of each air conditioner host is a linear function, a multiple function, and a multi-segment linear function.
其中負載率分析模組可執行運轉異常分析,包括判斷空調主機滿載區域條件並計算滿載區域條件下之冰水進出水溫差平均,且儲存更新至滿載運轉平均溫差歷史資料,當冰水進出水溫差過低或歷史資料趨勢異常(例如:兩筆落差過大或是斜率變化過大),即判定空調主機異常。 The load rate analysis module can perform abnormal operation analysis, including judging the condition of the full load area of the air conditioner host and calculating the average temperature difference of the ice water in and out of the full load area, and storing and updating the historical data of the average temperature difference of the full load operation, when the ice water enters and exits the water temperature difference If the trend is too low or the historical data is abnormal (for example, if the two gaps are too large or the slope changes too much), it is determined that the air conditioner host is abnormal.
其中運轉容量控制模組依收集空調主機負載率、運轉容量、與其他運轉分析參數進行分析各空調主機耗電狀況,來執行低負載率停機與最少空調台數控制,使空調主機都維持在高負載率並滿足空調總運轉容量需求。 The operation capacity control module analyzes the power consumption status of each air conditioner host according to the air conditioner host load rate, operation capacity, and other operation analysis parameters, and performs low load rate shutdown and minimum air conditioner number control, so that the air conditioner host is maintained at a high level. The load rate meets the total operating capacity requirements of the air conditioner.
本發明提供一種自動空調運轉容量調整方法,步驟如下:一負載率分析模組係透過一通訊與接取模組連接並收集複數個空調主機之冰水進水溫度、冰水出水溫度、冷卻水進水溫度、冷卻水出水溫度以及運轉電流,並計算各空調主機之負載率; 一運轉容量分析模組係透過一通訊與接取模組連接並收集各空調主機之運轉狀態、冷凍能力設定以及負載率,並計算各空調主機之運轉容量;以及一運轉容量控制模組及一節能效益分析模組,係依據各空調主機之負載率、運轉容量及每冷凍噸耗電調整,計算複數個運轉模式所對應之各空調主機之耗電與節能效益,並調整各空調主機之運轉。 The invention provides an automatic air conditioning operation capacity adjustment method, the steps are as follows: a load rate analysis module is connected through a communication and access module and collects ice water inlet temperature, ice water outlet temperature and cooling water of a plurality of air conditioner hosts Inlet water temperature, cooling water outlet temperature and running current, and calculate the load ratio of each air conditioner host; A running capacity analysis module is connected to the access module through a communication and collects the operating state, the freezing capacity setting and the load rate of each air conditioner host, and calculates the operating capacity of each air conditioner host; and an operating capacity control module and a The energy-saving benefit analysis module calculates the power consumption and energy-saving efficiency of each air-conditioner host corresponding to a plurality of operation modes according to the load rate, operation capacity and power consumption per ton of air-conditioning mainframe, and adjusts the operation of each air-conditioner host. .
其中各運轉模式係為一低負載率停機模式、一最低空調主機台數模式以及一自訂參數模式,節能效益分析模組係計算出各運轉模式之耗電與節能效益後,運轉容量控制模組係依據符合最低耗電與最高節能效益之運轉模式調整各空調主機之運轉。 Each operation mode is a low load rate shutdown mode, a minimum air conditioner host number mode, and a custom parameter mode. The energy saving benefit analysis module calculates the power consumption and energy saving benefits of each operation mode, and the operation capacity control mode. The group adjusts the operation of each air-conditioning main unit according to the operation mode that meets the minimum power consumption and the highest energy-saving efficiency.
其中低負載率停機模式係依據各空調主機之負載率決定運轉之優先順序,負載率高之空調主機為優先運轉,負載率低之空調主機為優先停機。 The low load rate shutdown mode determines the priority of operation according to the load ratio of each air conditioner host. The air conditioner host with high load rate is the priority operation, and the air conditioner host with low load rate is the priority shutdown.
其中最低空調主機台數模式係加總各空調主機之總運轉容量後,並在符合總運轉容量下進行以最少空調主機之數量進行運轉。 The lowest air conditioner host number mode is to increase the total operating capacity of each air conditioner host, and operate under the total operating capacity with the minimum number of air conditioner hosts.
其中自訂參數模式依據各空調主機之耗電決定運轉之優先順序,耗電高之空調主機為優先停機,耗電低之空調主機為優先運轉。 The custom parameter mode determines the priority of operation according to the power consumption of each air conditioner host, and the air conditioner host with high power consumption is the priority shutdown, and the air conditioner host with low power consumption is the priority operation.
本發明之自動空調運轉容量調整系統及方法,幫助使用者可依據現場空調總運轉容量需要,使各空調主機都維持在高負載率。本發明相較於現有技術之優勢如下: The automatic air conditioning operation capacity adjustment system and method of the invention can help the user maintain the high load rate of each air conditioner host according to the total operation capacity of the on-site air conditioner. The advantages of the present invention over the prior art are as follows:
1.本發明之自動空調運轉容量調整方法共提供三種分析模式,分別為低負載率停機模式、最低空調主機台數模式以及自訂參數模式,可依各空調主機運轉後其耗電狀況來決定優先運轉順序與運轉台數,並將負載率低 之空調運轉容量轉移至其他運轉中的空調主機,使空調主機都維持在高負載率並且滿足空調總運轉容量需求。 1. The automatic air conditioning operation capacity adjustment method of the present invention provides three analysis modes, namely a low load rate shutdown mode, a minimum air conditioner host number mode, and a custom parameter mode, which can be determined according to the power consumption status of each air conditioner host after operation. Priority operation sequence and number of operations, and low load rate The air conditioning operation capacity is transferred to other air conditioning main engines in operation, so that the air conditioning main engine is maintained at a high load rate and meets the total operation capacity of the air conditioner.
2.本發明之空調主機耗能計算分析,提供空調主機負載率、空調主機運轉容量,以及空調主機每冷凍噸耗電(KW/RT)等自動偵測與計算方式,可自動分析空調主機運轉耗電與建物空間之空調運轉容量需求,解決傳統需手動設定以及人工量測之限制。 2. The energy consumption calculation and analysis of the air conditioner host of the present invention provides an air conditioner host load rate, an air conditioner host operation capacity, and an automatic detection and calculation method of the air conditioner host per ton of tons of power consumption (KW/RT), which can automatically analyze the operation of the air conditioner host. The air conditioning operating capacity requirements of power consumption and building space solve the traditional limitations of manual setting and manual measurement.
3.空調主機負載率分析模組可執行運轉異常分析,透過空調主機滿載區域條件判斷並計算滿載區域條件下之冰水進出水溫差平均,當冰水進出水溫差過低或歷史資料趨勢異常(例如:兩筆落差過大或是斜率變化過大),即判定空調主機異常。 3. The air conditioning host load rate analysis module can perform abnormal operation analysis, judge and calculate the average temperature difference of ice water inflow and outflow under the condition of full load area through the full load area condition of the air conditioner host, when the ice water inlet and outlet water temperature difference is too low or the historical data trend is abnormal ( For example, if the two pens are too large or the slope changes too much, it is determined that the air conditioner host is abnormal.
4.節能效益計算分析,收集改善前各空調主機運轉容量與每冷凍噸耗電,計算改善前空調耗電,其收集運轉台數、各空調主機運轉容量與每冷凍噸耗電等智能分析結果,計算改善後空調耗電。透過改善前空調耗電與改善後空調耗電,預測分析空調主機運轉容量最佳化之節能效益。 4. Calculation and analysis of energy-saving benefits, collecting the operating capacity of each air-conditioning main unit before the improvement and the power consumption per ton of ton, calculating the air-conditioning power consumption before the improvement, the number of collection and operation, the operating capacity of each air-conditioning main unit and the power consumption per ton of ton Calculate the power consumption of the air conditioner after improvement. By improving the power consumption of the front air conditioner and improving the power consumption of the air conditioner, the energy saving benefit of optimizing the operation capacity of the air conditioner main unit is predicted and analyzed.
1‧‧‧負載率分析模組 1‧‧‧Load Rate Analysis Module
2‧‧‧運轉容量分析模組 2‧‧‧Operating capacity analysis module
3‧‧‧負載率與耗電轉換模組 3‧‧‧Load rate and power consumption conversion module
4‧‧‧運轉容量控制模組 4‧‧‧Running capacity control module
5‧‧‧節能效益分析模組 5‧‧‧Energy Efficiency Analysis Module
6‧‧‧通訊與接取模組 6‧‧‧Communication and access module
7‧‧‧空調主機 7‧‧‧Air Conditioning Host
S201~S203‧‧‧步驟流程 S201~S203‧‧‧Step process
圖1係為本發明之自動空調運轉容量調整系統之架構示意圖。 1 is a schematic structural view of an automatic air conditioning operation capacity adjustment system of the present invention.
圖2係為本發明之自動空調運轉容量調整方法之流程圖。 2 is a flow chart of the method for adjusting the operation capacity of the automatic air conditioner of the present invention.
請參閱圖1,如圖所示,係為本發明之自動空調運轉容量調整系統之架構示意圖,其包含負載率分析模組1、運轉容量分析模組2、負 載率與耗電轉換模組3、運轉容量控制模組4、節能效益分析模組5、通訊與接取模組6及多台空調主機7,其中負載率分析模組1利用通訊與接取模組6來偵測冰水進水溫度(Twi)與冰水出水溫度(Two)、冷卻水進水溫度(Tci)與冷卻水出水溫度(Tco),以及運轉電流(I)等訊號,判斷空調主機7滿載區域條件並執行滿載區域條件下之冰水進出水溫差平均計算。再收集冰水進出水即時溫差值,計算提供空調主機7負載率。而運轉容量分析模組2利用負載率分析模組1所計算之負載率、通訊與接取模組6收集之空調主機7運轉狀態,以及空調主機7冷凍能力設定,計算提供空調主機7運轉容量,負載率與耗電轉換模組3利用空調主機7運轉曲線設定(例如:線性函數、多次函數、多段線性函數...等轉換公式),轉換提供各即時空調主機7之負載率條件下每冷凍噸耗電(KW/RT)。此外,運轉容量控制模組4收集空調主機7之負載率、運轉容量、與其他運轉分析參數來執行耗電智能自動運轉控制,並將其智能分析結果(例如:運轉容量、運轉台數、主機負載率等改善參數)提供節能效益分析模組5,預測提供各空調主機7運轉容量最佳化之節能效益。 Please refer to FIG. 1 , which is a schematic structural diagram of an automatic air conditioning operation capacity adjustment system according to the present invention, which includes a load rate analysis module 1 , an operation capacity analysis module 2 , a load rate and a power consumption conversion module 3 . The operation capacity control module 4, the energy-saving benefit analysis module 5, the communication and access module 6 and the plurality of air-conditioning mainframes 7, wherein the load factor analysis module 1 uses the communication and access module 6 to detect the ice water into the Judging the water temperature (T wi ) and the ice water outlet temperature (T wo ), the cooling water inlet temperature (T ci ) and the cooling water outlet temperature (T co ), and the operating current (I), and determining the full load area of the air conditioner host 7 Conditions and the average calculation of the temperature difference of the ice water in and out of the water under the condition of full load. Then collect the instantaneous temperature difference between the ice water and the water, and calculate the load rate of the air conditioner host 7. The operation capacity analysis module 2 calculates the operation capacity of the air conditioner host 7 by using the load rate calculated by the load factor analysis module 1, the operation state of the air conditioner host 7 collected by the communication and access module 6, and the refrigeration capacity setting of the air conditioner host 7. The load ratio and power consumption conversion module 3 utilizes the operation curve setting of the air conditioner host 7 (for example, a linear function, a multiple function, a multi-segment linear function, etc.), and the conversion provides the load rate of each instant air conditioner host 7 Electricity consumption per ton of ton (KW/RT). In addition, the operation capacity control module 4 collects the load factor, the operation capacity, and other operational analysis parameters of the air conditioner host 7 to perform the power consumption intelligent automatic operation control, and analyzes the results of the intelligent analysis (for example, the operation capacity, the number of operations, and the host The improvement factor such as the load rate) provides the energy-saving benefit analysis module 5, and predicts the energy-saving benefit of optimizing the operation capacity of each air-conditioning host 7.
其中本系統可進行空調主機耗能計算,首先進行空調主機滿載運轉判斷,若空調主機為滿載運轉則執行滿載運轉平均溫差計算並更新至滿載運轉平均溫差歷史資料,再依據滿載運轉平均溫差歷史資料進行空調主機負載率計算。若空調主機不為滿載運轉則直接依據滿載運轉平均溫差歷史資料進行空調主機負載率計算。 The system can calculate the energy consumption of the air conditioner host. First, the air conditioner host is fully loaded. If the air conditioner is fully loaded, the average temperature difference calculation of the full load operation is performed and updated to the full temperature operation average temperature difference history data, and then the average temperature difference history data according to the full load operation. Perform air conditioning host load rate calculation. If the air conditioner main unit is not fully loaded, the air conditioner host load rate calculation is directly performed based on the full load operation average temperature difference history data.
空調主機滿載運轉判斷利用收集冰水進水溫度(Twi)與冰水出水溫度(Two)、冷卻水進水溫度(Tci)與冷卻水出水溫度(Tco),以及運轉電流 (I)等訊號,判斷空調主機是否為滿載運轉,空調主機滿載運轉判斷條件公式如下:FS=F1(Twi,Two,Tci,Tco,I)其中FS為滿載運轉,Twi為冰水進水溫度,Two為冰水出水溫度,Tci為冷卻水進水溫度,Tco為冷卻水出水溫度,I為運轉電流。 The air conditioning main engine is fully loaded and operated to determine the collected ice water inlet water temperature (T wi ) and the ice water outlet water temperature (T wo ), the cooling water inlet water temperature (T ci ) and the cooling water outlet water temperature (T co ), and the operating current (I). ), etc., to determine whether the air conditioner host is fully loaded, the air conditioning host full load operation judgment condition formula is as follows: F S = F1 (T wi , T wo , T ci , T co , I) where F S is full load operation, T wi is The ice water inlet temperature, T wo is the ice water outlet temperature, T ci is the cooling water inlet temperature, T co is the cooling water outlet temperature, and I is the running current.
滿載運轉平均溫差計算係在空調主機滿載區域條件下,量測並執行冰水進出水溫差平均計算,其滿載運轉平均溫差計算公式如下:△Tave=F2(Twi,Two,n)△Tave為滿載運轉平均溫差,n為冰水進出水溫度量測次數。 The calculation of the average temperature difference of full load operation is based on the full load zone of the air conditioner, and the average temperature difference of the ice water inlet and outlet water is measured and calculated. The calculation formula of the average temperature difference of the full load operation is as follows: △T ave =F2(T wi ,T wo ,n)△ T ave is the average temperature difference at full load operation, and n is the number of times the ice water enters and exits the water temperature measurement.
空調主機負載率計算之計算公式如下:η=F3(△Tave-N,Twi,Two,N)η係為空調主機負載率,△Tave-N係為歷史滿載運轉平均溫差,N為歷史資料儲存數量。 The calculation formula for the calculation of the air load rate of the air-conditioning host is as follows: η=F3(△T ave-N , T wi , T wo , N) η is the load ratio of the air conditioner host, and ΔT ave-N is the average temperature difference of the historical full load operation, N The amount of storage for historical data.
其中空調主機每冷凍噸耗電計算,係依據空調主機負載率計算結果並透過負載率與每冷凍噸耗電(KW/RT)轉換求得。 The calculation of the power consumption per ton of air-conditioning main unit is based on the calculation result of the load factor of the air-conditioning main unit and is obtained by converting the load rate and the power consumption per ton of ton (KW/RT).
其中空調主機運轉容量計算,係依據空調主機負載率計算結果、空調主機運轉狀態與冷凍能力,計算提供空調主機運轉容量。 The calculation of the operating capacity of the air-conditioning main unit is based on the calculation result of the load ratio of the air-conditioning main unit, the operating state of the air-conditioning main unit and the freezing capacity, and calculates the operating capacity of the air-conditioning main unit.
空調主機運轉容量計算公式如下:TRT=F4(S,η,XRT)TRT係為空調主機運轉容量,S係為空調主機運轉狀態,η係為空調主機負載率,XRT係為空調主機冷凍能力設定。 The calculation formula of the operating capacity of the air-conditioning main engine is as follows: T RT = F4 (S, η, X RT ) T RT is the air conditioning main engine running capacity, S is the air conditioning main engine running state, η is the air conditioning main engine load factor, and X RT is the air conditioning. Host freezing capacity setting.
請參閱圖2,為本發明之自動空調運轉容量調整方法之流程 圖,步驟如下:S201:一負載率分析模組係透過一通訊與接取模組連接並收集複數個空調主機之冰水進水溫度、冰水出水溫度、冷卻水進水溫度、冷卻水出水溫度以及運轉電流,並計算各空調主機之負載率;S202:一運轉容量分析模組係透過一通訊與接取模組連接並收集各空調主機之運轉狀態、冷凍能力設定以及負載率,並計算各空調主機之運轉容量;以及S203:一運轉容量控制模組及一節能效益分析模組,係依據各空調主機之負載率、運轉容量及每冷凍噸耗電調整,計算複數個運轉模式所對應之各空調主機之耗電與節能效益,並調整各空調主機之運轉。 Please refer to FIG. 2 , which is a flow chart of an automatic air conditioning operation capacity adjustment method according to the present invention. The steps are as follows: S201: A load rate analysis module is connected to the access module through a communication and collects the ice water inlet water temperature, the ice water outlet temperature, the cooling water inlet temperature, and the cooling water effluent of the plurality of air conditioner hosts. Temperature and running current, and calculating the load ratio of each air conditioner host; S202: an operation capacity analysis module is connected through a communication and access module and collects the operating state, the freezing capacity setting and the load rate of each air conditioner host, and calculates The operating capacity of each air conditioner host; and S203: an operation capacity control module and an energy saving benefit analysis module, which are calculated according to the load ratio, the operation capacity and the power consumption per ton of the air conditioning host, and calculate a plurality of operation modes. The power consumption and energy saving benefits of each air conditioner host, and adjust the operation of each air conditioner host.
其中各運轉模式係為一低負載率停機模式、一最低空調主機台數模式以及一自訂參數模式,節能效益分析模組係計算出各運轉模式之耗電與節能效益後,運轉容量控制模組係依據符合最低耗電與最高節能效益之運轉模式調整各空調主機之運轉。 Each operation mode is a low load rate shutdown mode, a minimum air conditioner host number mode, and a custom parameter mode. The energy saving benefit analysis module calculates the power consumption and energy saving benefits of each operation mode, and the operation capacity control mode. The group adjusts the operation of each air-conditioning main unit according to the operation mode that meets the minimum power consumption and the highest energy-saving efficiency.
其中低負載率停機模式係依據各空調主機之負載率決定運轉之優先順序,負載率高之空調主機為優先運轉,負載率低之空調主機為優先停機。 The low load rate shutdown mode determines the priority of operation according to the load ratio of each air conditioner host. The air conditioner host with high load rate is the priority operation, and the air conditioner host with low load rate is the priority shutdown.
其中最低空調主機台數模式係加總各空調主機之總運轉容量後,並在符合總運轉容量下進行以最少空調主機之數量進行運轉。 The lowest air conditioner host number mode is to increase the total operating capacity of each air conditioner host, and operate under the total operating capacity with the minimum number of air conditioner hosts.
其中自訂參數模式依據各空調主機之耗電決定運轉之優先順序,耗電高之空調主機為優先停機,耗電低之空調主機為優先運轉。其中節能效益計算,係進入耗電智能自動運轉控制模式前,收集各空調主 機運轉容量與每冷凍噸耗電,計算改善前空調耗電,進入耗電智能自動運轉控制模式後,收集運轉台數、各空調主機運轉容量與每冷凍噸耗電等智能分析結果,計算改善後空調耗電。再透過改善前空調耗電與改善後空調耗電,進而算出空調機組運轉容量最佳化之節能效益。 The custom parameter mode determines the priority of operation according to the power consumption of each air conditioner host, and the air conditioner host with high power consumption is the priority shutdown, and the air conditioner host with low power consumption is the priority operation. Among them, the calculation of energy-saving benefits is to collect the main air conditioners before entering the intelligent automatic operation control mode of power consumption. The operating capacity of the machine and the power consumption per ton of ton, calculate and improve the air conditioning power consumption before entering the power consumption intelligent automatic operation control mode, collect the number of operating units, the operating capacity of each air-conditioning main unit and the power consumption per ton of ton, and calculate the improvement. After the air conditioner consumes electricity. By improving the power consumption of the front air conditioner and improving the power consumption of the air conditioner, the energy saving benefit of optimizing the operating capacity of the air conditioning unit is calculated.
節能效益計算公式如下:,i=1~n1 E1為改善前空調耗電,n1為改善前運轉台數,T1RTi為改善前第i部空調主機運轉容量,E1RTi為改善前第i部空調主機每冷凍噸耗電。 The formula for calculating energy efficiency is as follows: , i =1~ n 1 E 1 is to improve the power consumption of the front air conditioner, n1 is to improve the number of front operating units, T1 RTi is to improve the operating capacity of the i-th air conditioning main unit before the E1 RTi is improved. Power consumption.
,i=1~n2 E2為改善後空調耗電,n2為改善後運轉台數,T2RTi為改善後第i部空調主機運轉容量,E2RTi為改善後第i部空調主機每冷凍噸耗電。 , i =1~ n 2 E 2 is the air conditioning power consumption after improvement, n2 is the number of operating units after improvement, T2 RTi is the operating capacity of the i-th air-conditioning main unit after the improvement, and the E2 RTi is improved after the ith air-conditioning main unit Power consumption.
E=((E1-E2)/E1)*100 E為節能效益。 E=((E 1 -E 2 )/E1)*100 E is an energy saving benefit.
再者,以實際實施案例說明,若共有4台運轉中空調主機(運轉狀態(S)=ON),編號由1至4,並收集各空調主機的冰水進水溫度(Twi)與出水溫度(Two)、冷卻水進水溫度(Tci)與出水溫度(Tco),以及運轉電流(I)等訊號,判斷空調主機滿載運轉並計算一筆以上滿載運轉平均溫差,而且更新至滿載運轉平均溫差歷史資料。同時取得以下空調主機負載率與每冷凍噸耗電(KW/RT)轉換,以及空調主機冷凍能力,結果如下表1及表2: Furthermore, according to the actual implementation case, if there are 4 operating air conditioners in total (operation status (S) = ON), the numbers are from 1 to 4, and the ice water inlet temperature (T wi ) and effluent of each air conditioner host are collected. Temperature (T wo ), cooling water inlet temperature (T ci ) and outlet water temperature (T co ), and operating current (I) signals, determine the air conditioning host full load operation and calculate the average temperature difference of more than one full load operation, and update to full load Running historical data of average temperature difference. At the same time, the following air conditioner host load rate and power consumption per ton (KW/RT) conversion, and air conditioning host refrigeration capacity are obtained. The results are shown in Table 1 and Table 2 below:
針對低負載率停機模式、最低空調主機台數模式分別說明如下: The low load rate shutdown mode and the minimum air conditioner host number mode are described as follows:
低負載率停機模式,首先進行空調主機負載率計算,假設求得4台空調主機負載率(ηi,i=1~4)分別為50%、25%、50%以及20%,並依據空調主機負載率計算結果、空調主機運轉狀態與冷凍能力,計算空調主機運轉容量,求得改善前4台空調主機運轉容量(T1RTi,i=1~4)分別為25RT、12.5RT、25RT以及20RT。進入低負載率停機模式前,收集以上資訊計算改善前空調耗電,E1=94.25KW。進入低負載率停機控制模式後,假設停機控制條件為小於50%之負載率空調主機,因此關閉空調主機2與空調主機4,將負載率低之空調運轉容量轉移至其他運轉中的空調主機。分析低負載率停機控制模式後結果,求得改善後4台空調主機運轉容量(T2RTi,i=1~4)分別為41.25RT、0RT、41.25RT以及0RT,並計算改善後空調耗電,E2=61.88KW。再透過改善前空調耗電與改善後空調耗電,進而算出空調機組運轉容量最佳化之節能效益為E=34%,如下表3、表4所示。 In the low load rate shutdown mode, first calculate the load ratio of the air conditioner host, assuming that the load ratios of the four air conditioners (η i , i = 1 to 4) are 50%, 25%, 50%, and 20%, respectively, and according to the air conditioner. The host load rate calculation result, air conditioning host operation status and refrigeration capacity, calculate the air conditioner host operation capacity, and obtain the improvement of the first four air conditioner host operation capacities (T1 RTi , i=1~4) are 25RT, 12.5RT, 25RT and 20RT respectively. . Before entering the low load rate shutdown mode, collect the above information to calculate the air conditioning power consumption before the improvement, E1=94.25KW. After entering the low load rate shutdown control mode, assuming that the shutdown control condition is less than 50% of the load rate air conditioner host, the air conditioner host 2 and the air conditioner host 4 are turned off, and the air conditioner operation capacity with a low load rate is transferred to the other air conditioner host in operation. After analyzing the low load rate shutdown control mode, the improved four air conditioner main engine operating capacities (T2 RTi , i=1~4) were 41.25RT, 0RT, 41.25RT and 0RT, respectively, and the air conditioning power consumption was calculated. E2 = 61.88 KW. By improving the power consumption of the front air conditioner and improving the power consumption of the air conditioner, the energy saving benefit of optimizing the operating capacity of the air conditioning unit is E=34%, as shown in Tables 3 and 4 below.
最低空調主機台數模式,首先進行空調主機負載率計算,假設求得4台空調主機負載率(ηi,i=1~4)分別為50%、50%、50%以及50%,並依據空調主機負載率計算結果、空調主機運轉狀態與冷凍能力,計算空調主機運轉容量,求得改善前4台空調主機運轉容量(T1RTi,i=1~4)分別為25RT、25RT、25RT以及50RT。進入耗電智能自動運轉控制模式前,收集以上資訊計算改善前空調耗電,E1=125KW;進入滿足運轉容量下最少空調台數控制模式後,在滿足空調總運轉容量需求下,關閉空調主機1與空調主機2,使空調主機3與空調主機4維持在高負載率並且滿足空調總運轉容量需求。分析滿足運轉容量下最少空調台數控制模式後結果,求得改善後4台空調主機運轉容量(T2RTi,i=1~4)分別為0RT、0RT、41.65RT以及83.3RT,並計算改善後空調耗電,E2=93.71KW。再透過改善前空調耗電與改善後空調耗電,進而算出空調機組運轉容量最佳化之節能效益為E=25%,如下表5、表6所示。 The minimum air conditioning host number mode, first calculate the load rate of the air conditioner host, assuming that the load rate of four air conditioner hosts (η i , i = 1 ~ 4) are 50%, 50%, 50% and 50%, respectively, and Air conditioning host load rate calculation results, air conditioning host operating status and refrigeration capacity, calculate the air conditioning host operating capacity, and improve the operating capacity of the first four air conditioning main engines (T1 RTi , i = 1 ~ 4) are 25RT, 25RT, 25RT and 50RT . Before entering the power consumption intelligent automatic operation control mode, collect the above information to calculate the air conditioning power consumption before the improvement, E1=125KW; after entering the minimum air conditioner number control mode under the operation capacity, close the air conditioner host 1 after meeting the total air conditioning capacity requirement With the air conditioner main unit 2, the air conditioner main unit 3 and the air conditioner main unit 4 are maintained at a high load rate and meet the total operation capacity requirement of the air conditioner. After analyzing the results of satisfying the minimum air conditioning number control mode under the operating capacity, the operating capacity (T2 RTi , i=1~4) of the four air conditioning main engines after improvement is 0RT, 0RT, 41.65RT and 83.3RT, respectively, and the calculation is improved. Air conditioning power consumption, E2 = 93.71KW. By improving the power consumption of the front air conditioner and improving the power consumption of the air conditioner, the energy saving benefit of optimizing the operating capacity of the air conditioning unit is E=25%, as shown in Table 5 and Table 6 below.
以上所述僅為舉例性,而非為限制性者。任何未脫離本發明之精神與範疇,而對其進行之等效修改或變更,均應包含於後附之申請專利範圍中。 The above is intended to be illustrative only and not limiting. Any equivalent modifications or alterations to the spirit and scope of the invention are intended to be included in the scope of the appended claims.
1‧‧‧負載率分析模組 1‧‧‧Load Rate Analysis Module
2‧‧‧運轉容量分析模組 2‧‧‧Operating capacity analysis module
3‧‧‧負載率與耗電轉換模組 3‧‧‧Load rate and power consumption conversion module
4‧‧‧運轉容量控制模組 4‧‧‧Running capacity control module
5‧‧‧節能效益分析模組 5‧‧‧Energy Efficiency Analysis Module
6‧‧‧通訊與接取模組 6‧‧‧Communication and access module
7‧‧‧空調主機 7‧‧‧Air Conditioning Host

Claims (6)

  1. 一種自動空調運轉容量調整系統,包括:一負載率分析模組,係依據複數個空調主機之冰水進水溫度、冰水出水溫度、冷卻水進水溫度、冷卻水出水溫度以及運轉電流,並計算各該空調主機之負載率;一運轉容量分析模組,係依據各該空調主機之運轉狀態、冷凍能力設定以及負載率,並計算各該空調主機之運轉容量;一負載率與耗電轉換模組,係依據各該空調主機之運轉曲線設定,轉換各該空調主機所對應負載率下之每冷凍噸耗電(KW/RT);一運轉容量控制模組,係依據各該空調主機之負載率、運轉容量及每冷凍噸耗電調整各該空調主機之運轉;一節能效益分析模組,係計算各該空調主機之耗電與節能效益;以及一通訊與接取模組,係提供該負載率分析模組、該運轉容量分析模組、該負載率與耗電轉換模組、該運轉容量控制模組及該節能效益分析模組與各該空調主機之連接;其中該運轉容量控制模組及該節能效益分析模組,係依據各該空調主機之負載率、運轉容量及每冷凍噸耗電調整,計算複數個運轉模式所對應之各該空調主機之耗電與節能效益,並調整各該空調主機之運轉,其中各該運轉模式係為一低負載率停機模式、一最低空調主機台數模式以及一自訂參數模式,該節能效益分析模組係計算出各該運轉模式之耗電與節能效益後,該運轉容量控制模組係依據符合最低耗電與最高節能效益之運轉模式調整各該空調主機之運轉。 An automatic air conditioning operation capacity adjustment system includes: a load rate analysis module, which is based on ice water inlet water temperature, ice water outlet water temperature, cooling water inlet water temperature, cooling water outlet water temperature, and running current of a plurality of air conditioner hosts, and Calculating the load ratio of each air conditioner host; an operation capacity analysis module is based on the operation state, the refrigeration capacity setting and the load rate of each air conditioner host, and calculating the operation capacity of each air conditioner host; a load rate and power consumption conversion The module is configured according to the operation curve of each air conditioner host, and converts the power consumption per ton of refrigeration (KW/RT) under the load rate corresponding to each air conditioner host; a running capacity control module is based on each air conditioner host The load rate, the operation capacity and the power consumption per ton of refrigeration are adjusted to operate the air conditioner main unit; an energy saving benefit analysis module calculates the power consumption and energy saving benefits of each air conditioner host; and a communication and access module is provided The load rate analysis module, the operation capacity analysis module, the load rate and power consumption conversion module, the operation capacity control module, and the energy saving benefit analysis module a connection with each of the air conditioning mainframes; wherein the operational capacity control module and the energy saving benefit analysis module are configured to calculate a plurality of operating modes according to load ratios, operating capacities, and power consumption per ton of the air conditioning mainframe Each of the air conditioners consumes power and energy saving benefits, and adjusts the operation of each of the air conditioners, wherein each of the operation modes is a low load rate shutdown mode, a minimum air conditioner host number mode, and a custom parameter mode. After the energy-saving benefit analysis module calculates the power consumption and energy-saving benefits of each operation mode, the operation capacity control module adjusts the operation of each air-conditioning host according to the operation mode that meets the minimum power consumption and the highest energy-saving efficiency.
  2. 如申請專利範圍第1項所述之自動空調運轉容量調整系統,其中各該空 調主機之運轉曲線設定係為線性函數、多次函數、多段線性函數。 The automatic air conditioning operation capacity adjustment system described in claim 1 of the patent scope, wherein each of the air The operating curve setting of the tuning host is a linear function, a multiple function, and a multi-segment linear function.
  3. 一種自動空調運轉容量調整方法,步驟如下:一負載率分析模組係透過一通訊與接取模組連接並收集複數個空調主機之冰水進水溫度、冰水出水溫度、冷卻水進水溫度、冷卻水出水溫度以及運轉電流,並計算各該空調主機之負載率;一運轉容量分析模組係透過一通訊與接取模組連接並收集各該空調主機之運轉狀態、冷凍能力設定以及負載率,並計算各該空調主機之運轉容量;以及一運轉容量控制模組及一節能效益分析模組,係依據各該空調主機之負載率、運轉容量及每冷凍噸耗電調整,計算複數個運轉模式所對應之各該空調主機之耗電與節能效益,並調整各該空調主機之運轉;其中各該運轉模式係為一低負載率停機模式、一最低空調主機台數模式以及一自訂參數模式,該節能效益分析模組係計算出各該運轉模式之耗電與節能效益後,該運轉容量控制模組係依據符合最低耗電與最高節能效益之運轉模式調整各該空調主機之運轉。 An automatic air conditioning operation capacity adjustment method, the steps are as follows: a load rate analysis module is connected through a communication and access module and collects ice water inlet temperature, ice water outlet temperature, cooling water inlet temperature of a plurality of air conditioner hosts Cooling water outlet temperature and running current, and calculating the load ratio of each air conditioner host; a running capacity analysis module is connected to the access module through a communication and collecting the operating state, the freezing capacity setting and the load of each air conditioner host Rate, and calculate the operating capacity of each of the air conditioning mainframes; and an operational capacity control module and an energy saving benefit analysis module, based on the load rate, operating capacity and power consumption per ton of the air conditioning host, calculate a plurality of The power consumption and energy saving benefits of each air conditioner host corresponding to the operation mode, and adjusting the operation of each air conditioner host; wherein each of the operation modes is a low load rate shutdown mode, a minimum air conditioner host number mode, and a custom Parameter mode, the energy-saving benefit analysis module calculates the power consumption and energy-saving efficiency of each operation mode, and the operation capacity control Modular system based on compliance with the highest energy efficiency and lowest power consumption mode of operation to adjust the air conditioning operation of each of the host.
  4. 如申請專利範圍第3項所述之自動空調運轉容量調整方法,其中該低負載率停機模式係依據各該空調主機之負載率決定運轉之優先順序,負載率高之該空調主機為優先運轉,負載率低之該空調主機為優先停機。 The automatic air conditioning operation capacity adjustment method according to claim 3, wherein the low load rate shutdown mode determines a priority of operation according to a load ratio of each air conditioner host, and the air conditioner host with a high load rate is preferentially operated. The air conditioner host with a low load rate is a priority shutdown.
  5. 如申請專利範圍第3項所述之自動空調運轉容量調整方法,其中該最低空調主機台數模式係加總各該空調主機之總運轉容量後,並在符合總運轉容量下進行以最少該空調主機之數量進行運轉。 The method for adjusting an automatic air conditioning operation capacity according to claim 3, wherein the minimum air conditioner host number mode is a total operation capacity of each of the air conditioner hosts, and is performed under a total operation capacity to minimize the air conditioner. The number of hosts is running.
  6. 如申請專利範圍第3項所述之自動空調運轉容量調整方法,其中該自訂參數模式依據各該空調主機之耗電決定運轉之優先順序,耗電高之該空調主機為優先停機,耗電低之該空調主機為優先運轉。 The method for adjusting the operation capacity of the automatic air conditioner according to the third aspect of the patent application, wherein the custom parameter mode determines the priority of the operation according to the power consumption of each air conditioner host, and the air conditioner host with high power consumption is the priority shutdown, and the power consumption is The air conditioner main unit is operated at a low priority.
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