CN102314540B - Method for automatically generating thermal-control power supply cabinet wiring diagram for electric power plant - Google Patents
Method for automatically generating thermal-control power supply cabinet wiring diagram for electric power plant Download PDFInfo
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- CN102314540B CN102314540B CN201110324888A CN201110324888A CN102314540B CN 102314540 B CN102314540 B CN 102314540B CN 201110324888 A CN201110324888 A CN 201110324888A CN 201110324888 A CN201110324888 A CN 201110324888A CN 102314540 B CN102314540 B CN 102314540B
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Abstract
The invention discloses a method for automatically generating a thermal-control power supply cabinet wiring diagram for an electric power plant, wherein the method is based on the thermal-control design technology and the computer technology and takes EXCELVBA as a design platform. The method comprises the following steps: a. inputting an electrical load list in the thermal-control specialized field; b. inputting preset parameters of a rule; c. generating a configuration list for a power supply cabinet system according to the electrical load list and the rule; and d. generating a wiring diagram for the power supply cabinet system in an EXCEL format, and generating an equipment material list, an electric cable outgoing wire list and an electric cable detailed list in EXCEL software. With the adoption of the method for automatically generating the thermal-control power supply cabinet wiring diagram for the electric power plant disclosed by the invention, the system diagram and the wiring diagram of a power supply cabinet in the EXCEL format or an AutoCAD format can be automatically generated, so that the method has the advantages of time saving and labor saving, shortening the working period and greatly increasing the work efficiency.
Description
Technical field
The invention belongs to big power station's design field, particularly the combine a kind of automatic generation power cabinet system diagram in the field, the method for wiring diagram of heat energy control and electric specialty.
Background technology
In big power station's design field,, also more and more high to the requirement of the reliability of thermal meter and aut.eq. and security along with increasing day by day of generating set power and improving constantly of automatization level.Be in operation, take into account the power supply in main aut.eq. loop, and can not recover in a long time the time, will cause the dangerous operation of unit, even have an accident if lose thermal control power cabinet general supply or lose wherein main table.Therefore the reliability of thermal control power cabinet and power-supply system becomes the most important thing in the design process.The characteristics of thermal control power-supply system are that the few loop of kind is many, and kind is meant the voltage kind, mainly comprise alternating current 220V, exchange 380V and direct current 220V; Electric power loop is meant through what switch was connected with power supply specifically uses electric line.About 400 of the fired power generating unit 380V electric power loops of a general 600MW, about 500 of 220V electric power loops.Therefore the design of power cabinet system diagram, wiring diagram and loaded down with trivial details; Its design is being continued to use artificial mode of drawing power-supply system figure and design outlet always; Its generation method is: each loop and element one by one draw in Auto CAD software; Fill in capacity, model, loop numbering and the loop title etc. of switch one by one, each element is connected generate needed wiring diagram then, fill in the cable title that is electrically connected with switch in each loop, whereabouts, model, terminal number etc. more one by one; Design simply repeats, inefficiency, and error rate is high.Yet, along with advancing by leaps and bounds of power system development, also be to shorten again and again to the requirement that designs the duration, therefore existing design has satisfied not the schedule requirement of design far away.
Summary of the invention
The technical issues that need to address of the present invention provide a kind of can shorten the design cycle, increase work efficiency and design the thermal control power cabinet system diagram of accuracy rate, the automatic generation method of wiring diagram.
For solving the problems of the technologies described above, the technical scheme that the present invention adopted is:
Generating plant thermal control power cabinet wiring diagram generates method automatically, and this method is design platform based on thermal control designing technique and computer technology with EXCEL VBA, comprises following operation steps:
A. in computer system, import the electric load inventory in the thermal control specialty, comprise loop numbering, loop title, voltage and the power of each electric power loop in the thermal control specialty in the electric load inventory; Wherein voltage comprises alternating current 220V, exchanges 380V and direct current 220V;
B. predetermined parameter of regularity is input in the computer system, every quantity that power cabinet can be installed switch of definition in the said parameter of regularity, every row's support is installed the quantity of switch, and each power cabinet need be reserved the quantity of backup circuit breaker; The switch kind has single-pole switch, double-pole switch and three pole switch;
C. according to the voltage kind in the electric load inventory among the step a electric load inventory is classified; Need the quantity of each voltage kind power cabinet, the capacity of power cabinet total input-wire switch according to the parameter of regularity calculating among the step b; And generating each power cabinet configuration list, said power cabinet configuration list comprises quantity, each electric power loop numbering, loop title, switch model, switch power, and the cable model that is electrically connected of switch and the whereabouts of cable of switch in the title, each power cabinet of each voltage kind power cabinet;
D. whether each power cabinet power configuration is reasonable among the determining step c, like unreasonable allocation, returns step a adjustment electric load inventory order from new distribution; As distribute rationally execution in step e then;
E. the power cabinet configuration list confirms that the back generates system diagram, wiring diagram, list of (machinery) equipment and materials, cable outlet inventory and the cable inventory of each power cabinet of EXCEL form automatically according to predefined power cabinet format module.
Improvement of the present invention is: after said steps d finishes; Select through the Auto CAD software in the VBA instruction calls computer system; The power cabinet configuration list of confirming is outputed in the Auto CAD software, through in Auto CAD, inserting the segment that defines in advance and the power cabinet electrical systematic drawing and the wiring diagram of literal generation Auto CAD form.
Because the technical progress of having adopted technique scheme, the present invention to obtain is:
The present invention is a design platform with EXCEL VBA; Funcall and program through to EXCEL and Auto CAD are calculated the automatic generation that realizes generating plant thermal control power cabinet system diagram and wiring diagram; The user only need simply select and the literal input; Just can generate the wiring diagram of power cabinet automatically, time saving and energy saving, improved work efficiency.Through adopting automatic generation method of the present invention, the design efficiency of power cabinet wiring diagram and accuracy rate can improve more than 80%, have shortened the design cycle greatly.
Description of drawings
Fig. 1 is a process flow diagram of the present invention;
Fig. 2 is the embodiment of the invention " the 380V power cabinet configuration list " of the EXCEL form of generation automatically;
Fig. 3 is the embodiment of the invention " the 220V power cabinet configuration list " of the EXCEL form of generation automatically;
Fig. 4 is the embodiment of the invention " the 380V power cabinet wiring diagram " of the EXCEL form of generation automatically;
Fig. 5 is the embodiment of the invention " the 380V power cabinet system diagram " of the Auto CAD form of generation automatically;
Fig. 6 is the embodiment of the invention " the 380V power cabinet wiring diagram " of the Auto CAD form of generation automatically.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is explained further details:
Generating plant thermal control power cabinet wiring diagram generates method automatically, and the process flow diagram of its operation steps is as shown in Figure 1.
The present invention is applied in the generating plant, generates power cabinet wiring diagram and system diagram in 380V or the 220V loop.
This method is design platform based on thermal control designing technique and computer technology with EXCEL VBA, specifically comprises following operation steps:
A. in computer system, import the electric load inventory of thermal control specialty.The electric load inventory comprises 10 220V electric power loops in the present embodiment, 10 380V electric power loops, and each loop comprises loop numbering, loop title, power loop and voltage kind.As shown in table 1:
Table 1
B. predetermined parameter of regularity is input in the computer system, every quantity that power cabinet can be installed switch of definition in the parameter of regularity, every row's support can be installed the quantity of switch, and each power cabinet need be reserved the quantity of backup circuit breaker;
The switch that uses in each electric power loop of 220V voltage kind in the present embodiment is single-pole switch; Every 220V power cabinet of definition can be installed 100 single-pole switchs in the parameter of regularity; On every row's support 25 single-pole switchs can be installed, each power cabinet is reserved subsequent use 25 switches.
The switch that uses in each electric power loop of 380V voltage kind is three pole switch, defines every 380V power cabinet 70 switches can be installed, and on every row's support 14 three pole switches can be installed, and each rack is reserved subsequent use 10 switches.
C. according to the voltage kind in the electric load inventory among the step a electric load inventory is classified; Need the quantity of each voltage kind power cabinet, the capacity of power cabinet total input-wire switch according to the parameter of regularity calculating among the step b; And generating each power cabinet configuration list, said power cabinet configuration list comprises quantity, each electric power loop numbering, loop title, switch model, switch power, and the cable model that is electrically connected of switch and the whereabouts of cable of switch in the title, each power cabinet of each voltage kind power cabinet.
Continuity the foregoing description at first calculates present embodiment and needs a 380V power cabinet, and a 220V power cabinet gets final product.According to the loop title in each loop in the electric load inventory of step a, can confirm to connect the cable whereabouts of single-pole switch leading-out terminal, promptly cable from switch draw the back with the loop what device be connected; Confirm the model of single-pole switch and the line footpath of cable according to the watt level in this loop again.
Each item information according to confirming among this step b generates the power cabinet configuration list automatically.380V power cabinet configuration list is as shown in Figure 2, and 220V power cabinet configuration list is as shown in Figure 3.
D. whether each power cabinet power configuration is reasonable among the determining step c, like unreasonable allocation, returns step a adjustment electric load inventory order from new distribution; As distribute reasonable execution in step e.
In the power cabinet configuration list that step c is generated, have only a 380V power cabinet in the present embodiment, a 220V power cabinet, so the power setting of power cabinet is reasonable, but execution in step e.
E. the power cabinet configuration list confirms that the back generates service system figure, wiring diagram, list of (machinery) equipment and materials, cable outlet inventory and the cable inventory of each power cabinet of EXCEL form automatically according to predefined power cabinet format module.
The power cabinet wiring diagram in preceding 5 loops of 380V power cabinet of EXCEL form is as shown in Figure 4 in the present embodiment.
After steps d is accomplished, also can the power cabinet configuration list conversion of confirming be outputed to Auto CAD software through calling the Auto CAD software in the computer system, generate the power cabinet system diagram and the wiring diagram of Auto CAD form.The system diagram of preceding 5 the loop Auto CAD forms of 380V power cabinet is as shown in Figure 5, and the wiring diagram of preceding 5 the loop Auto CAD forms of 380V power cabinet is as shown in Figure 6.
The present invention can directly be printed paper document through PRN device after generating system diagram, wiring diagram, cable outlet inventory, cable inventory and the list of (machinery) equipment and materials of power cabinet system automatically.
Claims (2)
1. generating plant thermal control power cabinet wiring diagram generates method automatically, and this method is design platform based on thermal control designing technique and computer technology with EXCEL VBA, it is characterized in that comprising following operation steps:
A. in computer system, import the electric load inventory in the thermal control specialty; The loop numbering, loop title, voltage kind and the power that comprise each electric power loop in the thermal control specialty in the electric load inventory;
B. predetermined parameter of regularity is input in the computer system; Every quantity that power cabinet can be installed switch of definition in the said parameter of regularity, every row's support can be installed the quantity of switch, and each power cabinet need be reserved the quantity of backup circuit breaker;
C. according to the voltage kind in the electric load inventory among the step a electric load inventory is classified; Need the quantity of each voltage kind power cabinet, the capacity of power cabinet total input-wire switch according to the parameter of regularity calculating among the step b; And generating each power cabinet configuration list, said power cabinet configuration list comprises quantity, each electric power loop numbering, loop title, switch model, switch power, and the cable model that is electrically connected of switch and the whereabouts of cable of switch in the title, each power cabinet of each voltage kind power cabinet;
D. whether each power cabinet power configuration is reasonable among the determining step c, like unreasonable allocation, returns step a adjustment electric load inventory order from new distribution; As distribute rationally execution in step e then;
E. the power cabinet configuration list confirms that the back generates system diagram, wiring diagram, list of (machinery) equipment and materials, cable outlet inventory and the cable inventory of each power cabinet of EXCEL form automatically.
2. generating plant thermal control power cabinet wiring diagram according to claim 1 generates method automatically; It is characterized in that: after said steps d finishes; Select through the Auto CAD software in the VBA instruction calls computer system; The power cabinet configuration list of confirming is outputed in the Auto CAD software, generate the power cabinet electrical systematic drawing and the wiring diagram of Auto CAD form.
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| CN104007721B (en) * | 2014-05-08 | 2017-01-04 | 河北省电力勘测设计研究院 | The defeated coal of thermal power plant program control wiring diagram intelligent generation method |
| CN104281727A (en) * | 2014-06-04 | 2015-01-14 | 河南金牌山模具有限公司 | Method for designing tire die on basis of Excel and CAD (computer aided design) platform |
| CN104091000B (en) * | 2014-06-25 | 2017-03-08 | 河北省电力勘测设计研究院 | A kind of method of distribution I/O fastener used by DCS |
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| CN106407572A (en) * | 2016-09-23 | 2017-02-15 | 四川电力设计咨询有限责任公司 | A design system and method for thermal power generation projects |
| CN108681867A (en) * | 2018-06-27 | 2018-10-19 | 北京联物瑞达信息技术有限公司 | A kind of power distribution cabinet online purchase method and purchasing system |
| CN109165916B (en) * | 2018-08-09 | 2022-03-22 | 中国电力工程顾问集团西北电力设计院有限公司 | Intelligent power distribution and drawing generation method for electric actuating mechanism |
| CN110706086B (en) * | 2019-09-16 | 2022-10-14 | 西门子（中国）有限公司 | Method and device for switch cabinet bidding |
| CN113689521B (en) * | 2021-08-24 | 2024-01-05 | 中国铁路沈阳局集团有限公司锦州供电段 | Automatic drawing method for power line drawing based on history of railway power equipment |
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Inventor after: Tian Song Inventor after: Hu Liguo Inventor after: Yang Jinfang Inventor after: Zhang Yiguo Inventor before: Tian Song Inventor before: Hu Liguo Inventor before: Yang Jinfang Inventor before: Zhang Yiguo |
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Address after: 050031 No. 6 Jianhua Street, Shijiazhuang City, Hebei Province Patentee after: China Electric Power Construction Group Hebei electric survey and Design Research Institute Co., Ltd. Address before: 050031 No. 6 Jianhua Street, Shijiazhuang City, Hebei Province Patentee before: Hebei Province Power Surveying Design & Research Institute |
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