TWI693529B - Demagnetization analysis system for ship cable installation - Google Patents
Demagnetization analysis system for ship cable installation Download PDFInfo
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- TWI693529B TWI693529B TW107137342A TW107137342A TWI693529B TW I693529 B TWI693529 B TW I693529B TW 107137342 A TW107137342 A TW 107137342A TW 107137342 A TW107137342 A TW 107137342A TW I693529 B TWI693529 B TW I693529B
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Abstract
本創作係關於一種船舶電纜佈設減磁分析系統,主要係提供船東在船舶供電電網建置前先行輸入相關資料,本系統便會輸出一電磁干擾最小之電纜排列方式,以供船東作為電纜擺設之參考依據,藉此降低電磁干擾對於精密機械所造成之影響。 This creation is about a demagnetization analysis system for ship cable layout. It mainly provides shipowners to input relevant data before the ship's power supply grid is built. This system will output a cable arrangement with minimum electromagnetic interference for shipowners to use as cables The reference basis of the arrangement, thereby reducing the influence of electromagnetic interference on precision machinery.
Description
本發明創作係關於一種船舶電纜佈設減磁分析系統,尤指一種降低船舶電纜電磁干擾之排列決定系統。 The creation of the present invention relates to a demagnetization analysis system for ship cable layout, in particular to an arrangement determination system for reducing electromagnetic interference of ship cables.
按,電磁干擾(Electromagnetic Interference,簡稱EMI)主要係以電磁輻射、或載流導體(如電源線、電纜)等方式影響電子設備,例如對通訊設備而言,可能造成訊號不良等問題,如收音機、雷達等,而對於其他電子設備而言,可能造成內部元件損毀,例如電子開關、處理器等。 According to this, Electromagnetic Interference (EMI) mainly affects electronic equipment by means of electromagnetic radiation or current-carrying conductors (such as power cords and cables). For example, for communication equipment, it may cause problems such as bad signals, such as radios. , Radar, etc., and for other electronic equipment, it may cause damage to internal components, such as electronic switches, processors, etc.
對於供電電網而言,電磁干擾最多來自於該載流導體,尤其是對於船舶供電電網來說,由於現今船舶在配置上增添了許多精密航行設備、自動化設備、以及大量的電氣設備,為顧及船舶航行時之安全,此種電磁干擾之影響不容輕忽、怠慢。 For the power supply grid, the electromagnetic interference comes from the current-carrying conductor at most, especially for the ship's power supply grid, because today's ships add many precision navigation equipment, automation equipment, and a large number of electrical equipment, in order to take into account the ship The safety of navigation, the influence of such electromagnetic interference cannot be ignored or neglected.
而,一般用於陸地之供電電網降低電磁干擾之手段多為(1)屏蔽:於船舶設備加裝屏蔽設備,令電力線或磁力線的影響限制在某個範圍內。(2)接地。(3)濾波:加裝濾波設備來讓電源線或電纜僅容許某一頻帶信號通過或阻止特定頻帶通過。 However, the most commonly used methods for reducing electromagnetic interference in land-based power supply grids are (1) shielding: adding shielding equipment to ship equipment to limit the influence of power lines or magnetic lines within a certain range. (2) Ground. (3) Filtering: install filtering equipment to allow the power cord or cable to allow only a certain frequency band signal to pass or prevent a specific frequency band from passing.
然,由於船舶供電電網有著下列特性:(1)空間限制:船舶電力系統所能運用的空間遠不及陸用電力系統,電氣設備配置於有限空間內,促使饋電線路短且線路阻抗低,船電系統短路電流高於相同容量的陸電系統。(2)電氣設備規格嚴謹:由於海上環境險惡,電氣設備採購的過程中,穩定度的要求高於陸電系統。(3)容量有限:船電系統為獨立電力系統,電力品質穩定度較容易受到負載變動而影響。(4)更動機會低:船舶建造完成後,船電系統限於可用空間不足,因此修改或擴充較為困難。也由於船 舶供電電網有著上述之特性,使得前述降低電磁干擾之手段難以應用於船舶供電電網。 However, due to the following characteristics of the ship's power supply grid: (1) Space restrictions: The space that can be used by the ship's power system is far less than that of the land-based power system. The electrical equipment is arranged in a limited space, which promotes short feeder lines and low line impedance. The short-circuit current of the electrical system is higher than that of the terrestrial power system of the same capacity. (2) Strict electrical equipment specifications: Due to the dangerous marine environment, the stability requirements of electrical equipment procurement are higher than those of the land power system. (3) Limited capacity: The ship's power system is an independent power system, and the stability of power quality is more susceptible to load fluctuations. (4) Low chance of change: After the ship is built, the ship's electrical system is limited to insufficient available space, so it is more difficult to modify or expand. Also due to the boat The ship's power supply grid has the above characteristics, making it difficult to apply the aforementioned methods of reducing electromagnetic interference to the ship's power supply grid.
由於降低電磁干擾之手段尚有平衡電路法,係指雙線電路中的兩根導線與連接到這兩根導線的所有電路,對地或對其它導線的結構對稱,且對應的阻抗相等,使負載上的雜訊電壓互相抵消。爰此,本發明創作者考量到前述船舶之特性,認為應於船舶供電電網建置前將平衡電路法納入設計考量,藉以降低整體電磁干擾現象,爰著手思考其解決之手段。 Since the method of reducing electromagnetic interference still has a balanced circuit method, it means that the two wires in a two-wire circuit and all the circuits connected to the two wires have a symmetrical structure to ground or other wires, and the corresponding impedances are equal, so that The noise voltages on the load cancel each other out. In consideration of the characteristics of the aforementioned ship, the creator of the present invention believes that the balanced circuit method should be included in the design considerations before the ship's power supply grid is built, so as to reduce the overall electromagnetic interference phenomenon, and he starts to think about the solution.
有鑑於先前技術所述不足之處,本發明創作者提出一種解決之手段,該手段係關於一種船舶電纜佈設減磁分析系統,包括: In view of the deficiencies described in the prior art, the inventor of the present invention proposes a solution, which relates to a demagnetization analysis system for ship cable installation, including:
一輸入端: One input:
該輸入端可供輸入船舶供電電網設計圖、及一電纜參數資料,該船舶供電電網設計圖包括一艙室之電纜分佈設計資料。 The input terminal can be used to input the ship power supply network design drawing and a cable parameter data. The ship power supply network design drawing includes the cable distribution design data of a cabin.
一電纜擺設資料庫: A cable layout database:
該電纜擺設資料庫包括複數電纜擺設位置。 The cable layout database includes a plurality of cable layout locations.
一處理單元: One processing unit:
該處理單元電性連接一輸出端、該輸入端、及該電纜擺設資料庫,該處理單元寫有一電磁干擾運算程式,該電磁干擾運算程式可供該處理單元執行:根據該電纜分佈設計資料分析出二電纜相鄰近設置之段部得到一待分析資料,取該待分析資料、及該電纜參數資料,分別計算該待分析資料於各電纜擺設位置狀態下之電磁干擾,於各種電磁干擾取最輕者得到一艙室之電纜排列建議資料,並控制該輸出端輸出該電纜排列建議資料。 The processing unit is electrically connected to an output terminal, the input terminal, and the cable layout database. The processing unit is written with an electromagnetic interference calculation program, which can be executed by the processing unit: data analysis based on the cable distribution design Obtain a piece of data to be analyzed from the section where the two cables are located adjacent to each other, take the data to be analyzed and the cable parameter data, and calculate the electromagnetic interference of the data to be analyzed in the state of the cable placement, and take the most The lighter gets the cable arrangement suggestion data of a cabin, and controls the output end to output the cable arrangement suggestion data.
爰此,透過本發明創作,可在船舶內部供電電網建置前,根據電纜分佈設計資料,事先將資料中鄰近之電纜進行分析,以提供出一種電磁干擾最小之排列方式,來讓建置者可以事先決定、安排各電纜排列方式,,藉此降低整體電磁干擾問題,以解決先前技術所述不足之處。 This, through the creation of the present invention, before the construction of the internal power supply grid of the ship, the cable distribution design data can be analyzed in advance to analyze the adjacent cables in the data to provide a minimum electromagnetic interference arrangement to allow the builder The arrangement of each cable can be determined and arranged in advance, thereby reducing the overall electromagnetic interference problem to solve the deficiencies described in the prior art.
(1):輸入端 (1): input terminal
(2):船舶供電電網設計圖 (2): Design drawing of ship power supply grid
(21):段部 (21): Segment
(22):艙室 (22): cabin
(23):供電單元 (23): Power supply unit
(3):電纜擺設資料庫 (3): Cable layout database
(31):第一電纜 (31): First cable
(32):橫列擺設 (32): Row arrangement
(33):第二電纜 (33): Second cable
(34):疊放擺設 (34): Stacked display
(4):處理單元 (4): Processing unit
(5):輸出端 (5): output
第一圖係本發明創作之各元件連接示意圖 The first figure is a schematic diagram of the connection of the components created by the present invention
第二圖係本發明創作之船舶供電電網設計示意圖 The second figure is a schematic diagram of the design of the ship power supply grid created by the present invention
第三A-D圖係本發明創作之各種電纜擺設位置示意圖 The third A-D diagram is a schematic diagram of various cable arrangement positions created by the present invention
以下藉由圖式之輔助,說明本發明創作之構造、特點與實施例,俾使貴審查人員對於本發明創作有更進一步之瞭解。 With the aid of the drawings, the following describes the structure, features and embodiments of the creation of the present invention, so that your reviewers have a better understanding of the creation of the present invention.
請參閱第一圖所示,本發明創作係關於一種船舶電纜佈設減磁分析系統,包括: As shown in the first figure, the creation of the present invention relates to a demagnetization analysis system for ship cable routing, including:
一輸入端(1): One input (1):
請參閱第一圖配合第二圖所示,該輸入端(1)可供輸入船舶供電電網設計圖(2)、各電纜之電流流向資料、及一電纜參數資料,該船舶供電電網設計圖(2)包括一艙室之電纜分佈設計資料。其中該電纜參數資料較佳係包括:一電纜內各層材質之相對磁導率資料、一電纜內各層材質之電導率資料、及一電纜內各層材質之直徑資料,透過這些參數資料,可令本系統在處理過程中,得以判斷出最佳電纜排列方式。而,該船舶供電電網設計圖(2)較佳呈現方式可參閱第二圖所示。 Please refer to the first figure and the second figure, the input terminal (1) can be used to input the ship's power supply grid design (2), the current flow data of each cable, and a cable parameter data, the ship's power supply grid design ( 2) Including cable distribution design information for one cabin. The cable parameter data preferably includes: the relative permeability data of each layer material in a cable, the conductivity data of each layer material in a cable, and the diameter data of each layer material in a cable. During processing, the system was able to determine the best cable arrangement. However, the preferred presentation of the ship power supply grid design drawing (2) can be seen in the second drawing.
一電纜擺設資料庫(3): A cable layout database (3):
請參閱第一圖所示,該電纜擺設資料庫(3)包括複數電纜擺設位置,而各擺設位置較佳包括一第一至第四電纜擺設位置,請配合參閱第圖到第圖所示,以下係介紹各種擺設位置:二第一電纜(31)並列界定出一橫列擺設(32),二第一電纜(31)並列且於二第一電纜中間上方設置一第二電纜(33),以共同界定出一疊放擺設(34);如第三A圖,該第一電纜擺設位置代表一橫列擺設(32);如第三B圖,該第二電纜擺設位置代表二垂直向堆疊之橫列擺設(32);如第三C圖,該第三電纜擺設位置代表二垂直向堆疊之疊放擺設(34);如第三D圖,該第四電纜擺設位置代表二水平向堆疊之 疊放擺設(34)。 Please refer to the first figure, the cable arrangement database (3) includes a plurality of cable arrangement positions, and each arrangement position preferably includes a first to a fourth cable arrangement position, please refer to the figures to the figures, The following describes various placements: two first cables (31) juxtaposed to define a horizontal arrangement (32), two first cables (31) juxtaposed and a second cable (33) placed above the middle of the two first cables, To define a stacking arrangement (34) together; as shown in the third figure A, the first cable arrangement represents a horizontal arrangement (32); as in the third figure B, the second cable arrangement represents two vertical stacks The horizontal arrangement (32); as shown in the third C figure, the third cable arrangement position represents two vertically stacked stacked arrangements (34); as the third D figure, the fourth cable arrangement position represents two horizontally stacked positions Of Stack the furnishings (34).
一處理單元(4): One processing unit (4):
請參閱第一圖所示,該處理單元(4)電性連接一輸出端(5)、該輸入端(1)、及該電纜擺設資料庫(3),該處理單元(4)寫有一電磁干擾運算程式,該電磁干擾運算程式可供該處理單元(4)執行:根據該電纜分佈設計資料分析出二電纜相鄰近設置之段部(21)得到一待分析資料,取該待分析資料、及該電纜參數資料,分別計算該待分析資料於各電纜擺設位置狀態下之電磁干擾,於各種電磁干擾取最輕者得到一艙室之電纜排列建議資料,並控制該輸出端(5)輸出該電纜排列建議資料。此外,第二圖中方塊部分係一供電單元(23)之示意,而連接該供電單元(23)之直線為電纜之示意。 Please refer to the first figure, the processing unit (4) is electrically connected to an output terminal (5), the input terminal (1), and the cable layout database (3), the processing unit (4) is written with an electromagnetic Interference calculation program, the electromagnetic interference calculation program can be executed by the processing unit (4): according to the cable distribution design data, the two cables (21) located adjacent to each other are analyzed to obtain a data to be analyzed, and the data to be analyzed, And the cable parameter data, respectively calculate the electromagnetic interference of the data to be analyzed in the state of the cable placement, get the lightest electromagnetic interference to get the cable arrangement recommendation data of a cabin, and control the output terminal (5) to output the Recommended information for cable arrangement. In addition, the square part in the second figure is an illustration of a power supply unit (23), and the straight line connecting the power supply unit (23) is an illustration of a cable.
爰此,透過本發明創作,使用者僅需在船舶供電電網建置前,先預先輸入船舶供電電網設計圖(2),及該電纜參數資料,接著,本系統便會開始分析該船舶供電電網設計圖,偵測出設計圖內相鄰近之電纜,而得到該待分析資料,此外,該待分析資料之數量不限為一,惟,本說明書僅先取該待分析資料之數量為一來說明本創作之優點、特色。當得到該待分析資料後,緊接著,系統便會根據該電纜擺設資料庫(3)內各種電纜之擺設方式,來運算該待分析資料於各種擺設方式之狀態下其電磁干擾狀況,最後取出電磁干擾為最小之擺設方式,最後製作成該電纜排列建議資料透過該輸出端(5)輸出。 Secondly, through the creation of the present invention, the user only needs to input the ship power supply grid design drawing (2) and the cable parameter data before the ship power supply grid is built. Then, the system will start to analyze the ship power supply grid The design drawing detects the adjacent cables in the design drawing to obtain the data to be analyzed. In addition, the number of the data to be analyzed is not limited to one. However, this manual only takes the number of the data to be analyzed as one to explain The advantages and characteristics of this creation. When the data to be analyzed is obtained, the system will then calculate the electromagnetic interference status of the data to be analyzed under the conditions of various layout methods according to the layout of various cables in the cable layout database (3). Electromagnetic interference is the smallest arrangement method, and finally the cable arrangement proposal data is output through the output terminal (5).
爰此,使用者可透過該電纜排列建議資料決定各部位之電纜排列方式,在無需額外加裝其他降低電磁干擾之元件情況下,可有效降低整體之電磁干擾問題,尤其對於放有重要精密機械之艙室而言,本創作更可有效避免設備或系統因電磁干擾導致失誤或失真等問題,不僅如此,由於各種電纜之電纜參數均不相同,利用本創作也做為調整電纜購買成本與電磁干擾程度之間c\p值選購之參考依據。此外,該輸出端(5)可為一顯示螢幕、影印機等。 Second, the user can determine the cable arrangement of each part through the cable arrangement recommendation data. Without the need to install additional components to reduce electromagnetic interference, the overall electromagnetic interference problem can be effectively reduced, especially for important precision machinery. As far as the cabin is concerned, this creation can effectively avoid problems such as errors or distortion caused by electromagnetic interference in the equipment or system. Not only that, because the cable parameters of various cables are different, the use of this creation is also used to adjust the cost of cable purchase and electromagnetic interference. The reference basis for the purchase of c\p value between levels. In addition, the output terminal (5) can be a display screen, a photocopier, or the like.
又,由於各種擺設位置狀態下,該電磁干擾之輕重程度也會受到各電纜內電流流向不盡相同而有所影響,為此,本發明創作認為在判斷各種擺設位置之電磁干擾輕重程度時,較佳應考慮各電纜之電流流向,故,本發明創作更進一步還可以實施為:取該待分析資料、該電流流向資料、及該電纜參數資料,分別計算該待分析資料於各電纜擺設位置狀態下之電磁干擾。 In addition, the magnitude of the electromagnetic interference will also be affected by the different current flow in each cable under various placement positions. Therefore, the present invention believes that when judging the magnitude of electromagnetic interference in various placement positions, Preferably, the current flow direction of each cable should be considered. Therefore, the creation of the present invention can be further implemented as follows: taking the data to be analyzed, the current flow data, and the cable parameter data, and calculating the location of the data to be analyzed on each cable. Electromagnetic interference in the state.
綜上所述,本發明創作確實符合產業利用性,且未於申請前見於刊物或公開使用,亦未為公眾所知悉,且具有非顯而易知性,符合可專利之要件,爰依法提出專利申請。 In summary, the creation of the present invention is indeed in line with industrial utilization, and it has not been seen in publications or public use prior to the application, nor is it known to the public, and it is non-obvious and easy to understand, and meets the requirements of patentability. Application.
惟上述所陳,為本發明創作在產業上一較佳實施例,舉凡依本發明創作申請專利範圍所作之均等變化,皆屬本案訴求標的之範疇。 However, what has been stated above is a preferred embodiment of the invention creation in the industry, and all the equal changes made according to the patent application scope of the invention creation are within the scope of the subject matter of this case.
(1):輸入端 (1): input terminal
(3):電纜擺設資料庫 (3): Cable layout database
(4):處理單元 (4): Processing unit
(5):輸出端 (5): output
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TW201043533A (en) * | 2009-06-04 | 2010-12-16 | Csbc Corp Taiwan | Short-circuit current detection device for ship |
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