CN108020784A - A kind of marine generator group load test teledata acquisition device - Google Patents
A kind of marine generator group load test teledata acquisition device Download PDFInfo
- Publication number
- CN108020784A CN108020784A CN201711327830.5A CN201711327830A CN108020784A CN 108020784 A CN108020784 A CN 108020784A CN 201711327830 A CN201711327830 A CN 201711327830A CN 108020784 A CN108020784 A CN 108020784A
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- electric energy
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- energy meter
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- power supply
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/34—Testing dynamo-electric machines
- G01R31/343—Testing dynamo-electric machines in operation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R21/00—Arrangements for measuring electric power or power factor
- G01R21/006—Measuring power factor
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R21/00—Arrangements for measuring electric power or power factor
- G01R21/06—Arrangements for measuring electric power or power factor by measuring current and voltage
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
- G01R23/02—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention discloses a kind of marine generator group load test teledata acquisition device, including stainless steel chest, four intelligent electric energy meters, stainless steel case is locked, power switch, power supply indicator, wiring fixing plate, PLC module, back panel wiring is arranged and control power supply, the lower section of intelligent electric energy meter is equipped with power switch and power supply indicator, and power switch and power supply indicator are located in same level, the bottom of the stainless steel chest is provided with wiring fixing plate, the inside of the stainless steel chest is provided with PLC module, back panel wiring is arranged and control power supply, wherein control power supply is located between PLC module and back panel wiring row；Intelligent electric energy meter is responsible for the measured voltage and current data of collection in the present system, and PLC module is responsible for collecting the data that intelligent electric energy meter collects, and sends data to remote data capture and centralized displaying terminal PC.Automatically working of the present invention, it is safe and reliable, working strength can be reduced, reduce manually input, increase data accuracy.
Description
Technical field
The present invention relates to data acquisition device technical field, more particularly to a kind of marine generator group load test remotely to count
According to harvester.
Background technology
Marine generator group is the important core equipment of marine system, and generating set provides daily life to marine system
Electricity consumption, correspondence with foreign country electricity consumption and dynamical system electricity consumption etc., are the premises of marine system normal work, therefore marine generator group is
It is no can safely and steadily run be ship on ocean can safety important guarantee.
According to the requirement of national standard and international standard, ship will be into the mooring trial test before being delivered for use is built
The load test of row generating set, need to gather in experiment voltage of the motor part under various loads in generating set, electric current,
Power factor, rotating speed are equivalent.Above numerical value gathers the experiment that requirement is single unit 5 different load states of progress, 5 shapes
State carry out altogether 3.5 it is small when experiment（Each load condition test period is different）.
According to requirements of the national standard, go to gather any of the above data before single unit is at least interior when 3.5 is small 5 times, and root
According to Ship Design code requirement, at least two generating sets on a ship, therefore general ship at least to carry out it is 7 small
When, the data collection task of totally 10 times.
At present, the load test data collection task of each shipyard marine generator group is using manually collection, master
It is to arrange special messenger manually to observe the instrument on main distribution board before main distribution board to want method, by observed data hand-kept in paper
On shelves.This original method has problems with：
1st, heavy workload, present marine system become increasingly complex, and the degree of automation is high.The ship of few only 2 generating sets
Oceangoing ship, causes test period long, it may be necessary to more people's rotation observation collections.
2nd, easily there is the error of observation, prolonged special messenger's observation, people is easily tired out, and error is produced in observation, data occurs
Mistake.
3rd, the paper files of manual sorting need to rearrange, printing submit to ship inspection and shipowner, it is time-consuming and laborious but also
It is possible to malfunction during arrangement.
Therefore a kind of method and device for automating data above gatherer process is needed, had both can guarantee that collection was correct on time
Data, also to automate output and form that form is convenient to submit examination ＆ approval.
The content of the invention
The purpose of the present invention is to solve shortcoming existing in the prior art, and a kind of marine generator group proposed is born
Lotus tests teledata acquisition device.
To achieve these goals, present invention employs following technical solution：
A kind of marine generator group load test teledata acquisition device, including stainless steel chest, four intelligent electric energy meters, no
Become rusty steel case lock, power switch, power supply indicator, wiring fixing plate, PLC module, back panel wiring row and control power supply, described stainless
In terms of steel face plane side of a case is placed with four intelligent electric energy by rectangular array, the lower section of intelligent electric energy meter is equipped with power switch and power supply
Indicator light, and power switch and power supply indicator are located in same level, the bottom of the stainless steel chest is provided with wiring
Fixed plate, the inside of the stainless steel chest is provided with PLC module, back panel wiring row and control power supply, wherein control power supply position
Between PLC module and back panel wiring row；Intelligent electric energy meter is responsible for the measured voltage and current data of collection in the present system,
PLC module is responsible for collecting the data that intelligent electric energy meter collects, and sends data to remote data capture and centralized displaying end
Holding PC, voltage acquisition the end V1, V2, V3 of intelligent electric energy meter are connected directly to measured L1 respectively, L2, on L3 three-phases, intelligence
The highest three-phase voltage that electric energy meter voltage acquisition end can be born is AC415V, and China's standard industry three-phase utilization voltage is
AC380V, therefore this voltage can meet China's ship test requirement, and the ship of AC415V is higher than for small part three-phase voltage, can
Increase transformer between intelligent electric energy meter being measured, voltage is down to below AC415V, the current acquisition end of intelligent electric energy meter
Mouthful L1+, L1-, L2+, L2-, L3+, L3- are respectively connected to measured L1, L2, the Current Transmit 1 on L3 three-phases,
On CT2, CT3, intelligent electric energy meter current acquisition port maximum allowed current is 5A, and the standard output voltage of current transformer also exists
5A, will lead back L1, the high current in L2, L3 is converted into the low current that electric energy meter can measure, and electric current is mutual by current transformer
Sensor CT1, CT2, CT3 are not belonging to the system composition, in the main distribution system design of Ship Power Station, due to automatically controlling and supervising
The needs of survey, must configure current transformer on major loop, this load data harvester make use of the electric current being configured mutual
Sensor carries out current data collection, company of the intelligent electric energy meter in the gatherer process by above-mentioned voltage and current with major loop
Connect, while calculate power, frequency and the power factor in measured circuit；PLC module is made of host and 5 communication modules,
Wherein communication module 1 is responsible for carrying out the data transfer of voltage, electric current, power, frequency and power factor with remote display unit PC,
Remaining 4 communication module is each responsible for carrying out data transmission with 4 intelligent electric energy meters, collects voltage, electricity that electric energy meter collects
Stream, power, frequency and power factor, control power supply are exclusively used in providing electricity to the intelligent electric energy meter inside the present apparatus and PLC module
Source, the input voltage for controlling power supply is AC220V, consistent with the single-phase utilization voltage of China's standard, and output voltage meets for DC24V
The General Requirement of electric energy meter and PLC module.
Preferably, No. 2 in the system, No. 3 be connecteds with the system of No. 4 intelligent electric energy meters and in the of No. 1, are simply measured back
Road is different.
Preferably, the present apparatus can at most measure 4 generators at the same time, meet that common ship generating set unit load tries
Test and the requirement of maximum 4 machine shunt load Test Data Collectings.
Preferably, the system device is using, and can be placed on data acquisition device in the main switching compound of power station.
Preferably, data transfer uses RS485 communication interfaces, and data transfer uses MODBUS protocol bus, long-range display
Terminal PC is general-purpose computer, be provided with shown for data, data form arranges and the software of data storage, which also has
Set data to adopt the function in cycle automatically, according to requirements of the national standard, generator load needed when testing carry out 25%, 50%,
75%th, 100%, 110% totally 5 states be separately operable 0.25,0.25,0.50,2,0.50 it is small when data record, which can be with
Set upon actuation the corresponding time according to data of above time showing automatic collection.
Compared with prior art, the beneficial effects of the invention are as follows：
（1）Collecting work automates, and reduces workload, reduces human input；
（2）Ensure the accuracy of data acquisition, reducing last phase tidying up mistake may；
（3）Data output automation, directly generates document with fixed format；
（4）Data are directly stored with e-file.
Automatically working of the present invention, it is safe and reliable, working strength can be reduced, reduce manually input, increase data accuracy.
Brief description of the drawings
Fig. 1 is a kind of structural representation of marine generator group load test teledata acquisition device proposed by the present invention
Figure；
Fig. 2 is a kind of structure diagram of marine generator group load test teledata acquisition device proposed by the present invention；
Fig. 3 is a kind of system principle diagram of marine generator group load test teledata acquisition device proposed by the present invention.
In figure：1 stainless steel chest, 2 intelligent electric energy meters, 3 stainless steel casees lock, 4 power switches, 5 power supply indicators, 6 wiring
Fixed plate, 7 PLC modules, 8 back panel wirings row, 9 control power supplys.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.
With reference to Fig. 1-3, a kind of marine generator group load test teledata acquisition device, including stainless steel chest 1, four
Platform intelligence electric energy meter 2, stainless steel case lock 3, power switch 4, power supply indicator 5, wiring fixing plate 6, PLC module 7, back panel wiring
Row 8 and control power supply 9, the front of stainless steel chest 1 by rectangular array be placed with four intelligent electric energy in terms of 2, intelligent electric energy meter 2
Lower section is equipped with power switch 4 and power supply indicator 5, and power switch 4 and power supply indicator 5 are located in same level, stainless
The bottom of steel chest 1 is provided with wiring fixing plate 6, and the inside of stainless steel chest 1 is provided with PLC module 7,8 and of back panel wiring row
Power supply 9 is controlled, wherein control power supply 9 is located between PLC module 7 and back panel wiring row 8；Intelligent electric energy meter 2 is born in the present system
The measured voltage and current data of duty collection, PLC module are responsible for collecting the data that intelligent electric energy meter 2 collects, and by data
Send to remote data capture and centralized displaying terminal PC, voltage acquisition the end V1, V2, V3 of intelligent electric energy meter 2 and directly connect respectively
It is connected to measured L1, L2, on L3 three-phases, the highest three-phase voltage that intelligent 2 voltage acquisition end of electric energy meter can be born is AC415V,
China's standard industry three-phase utilization voltage is AC380V, therefore this voltage can meet China's ship test requirement, for small part
Three-phase voltage is higher than the ship of AC415V, can increase transformer between intelligent electric energy meter 2 being measured, voltage is down to AC415V
Hereinafter, current acquisition port L1+, L1- of intelligent electric energy meter 2, L2+, L2-, L3+, L3-, are respectively connected to measured L1,
Current Transmit 1, CT2 on L2, L3 three-phase, on CT3, intelligent 2 current acquisition port maximum allowed current of electric energy meter is 5A,
The standard output voltage of current transformer will lead back L1 also in 5A, by current transformer, and the high current in L2, L3 is converted into electricity
The low current that can be measured, Current Transmit 1, CT2 can be counted, CT3 is not belonging to the system composition, the main distribution in Ship Power Station
In system design, due to the needs of automatic controlling and monitoring, current transformer, the collection of this load data must be configured on major loop
Device make use of the current transformer being configured to carry out current data collection, and intelligent electric energy meter is passing through above-mentioned voltage and current
Gatherer process in connection with major loop, while calculate power, frequency and the power factor in measured circuit；PLC module 7
Be made of host and 5 communication modules, wherein communication module 1 be responsible for remote display unit PC carry out voltage, electric current, power,
The data transfer of frequency and power factor, remaining 4 communication module are each responsible for carrying out data transmission with 4 intelligent electric energy meters,
Voltage, electric current, power, frequency and power factor that electric energy meter collects are collected, control power supply 9 is exclusively used in the inside of the present apparatus
Intelligent electric energy meter and PLC module provide power supply, and the input voltage for controlling power supply 9 is AC220V, electricity consumption electricity single-phase with China's standard
Pressure is consistent, and output voltage meets electric energy meter and the General Requirement of PLC module 7 for DC24V.
In the present invention, No. 2 in the system, No. 3 be connected with the system of No. 4 intelligent electric energy meters and in the of No. 1, is simply measured
Circuit is different, and the present apparatus can at most measure 4 generators at the same time, meets common ship generating set unit load test and most
The requirement of big 4 machine shunt load Test Data Collecting, the system device are using, and data acquisition device can be placed on to power station is main to match somebody with somebody
In electric installation, data transfer uses RS485 communication interfaces, and data transfer uses MODBUS protocol bus, remote display terminals PC
For general-purpose computer, be provided with shown for data, data form arranges and the software of data storage, which, which also has, sets number
According to the function of adopting the cycle automatically, according to requirements of the national standard, generator load needed when testing carry out 25%, 50%, 75%, 100%,
110% totally 5 states be separately operable 0.25,0.25,0.50,2,0.50 it is small when data record, which can be arranged on startup
The corresponding time is according to data of above time showing automatic collection afterwards.
In the use of the present invention,（1）Collecting work automates, and reduces workload, reduces human input；（2）Ensure data
The accuracy of collection, reducing last phase tidying up mistake may；（3）Data output automation, directly generates document with fixed format；（4）
Data are directly stored with e-file.The main advantage of the present invention is automatically working, it is safe and reliable, working strength can be reduced, subtract
Few manually input, increases data accuracy.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (5)
1. a kind of marine generator group load test teledata acquisition device, including stainless steel chest（1）, four intelligent electric energy
Meter（2）, stainless steel case lock（3）, power switch（4）, power supply indicator（5）, wiring fixing plate（6）, PLC module（7）, inside connects
Line is arranged（8）With control power supply（9）, it is characterised in that the stainless steel chest（1）Front four intelligence are placed with rectangular array
Can electric energy meter（2）, intelligent electric energy meter（2）Lower section be equipped with power switch（4）And power supply indicator（5）, and power switch（4）With
Power supply indicator（5）In same level, the stainless steel chest（1）Bottom wiring fixing plate is installed（6）, it is described
Stainless steel chest（1）Inside PLC module is installed（7）, back panel wiring row（8）With control power supply（9）, wherein controlling power supply
（9）Positioned at PLC module（7）Arranged with back panel wiring（8）Between；Intelligent electric energy meter（2）It is responsible for what collection was measured in the present system
Voltage and current data, PLC module are responsible for collecting intelligent electric energy meter（2）The data collected, and send data to long-range number
According to collection and centralized displaying terminal PC, intelligent electric energy meter（2）Voltage acquisition end V1, V2, V3 be connected directly to respectively it is measured
L1, L2, on L3 three-phases, intelligent electric energy meter（2）The highest three-phase voltage that voltage acquisition end can be born is AC415V, China's standard
Industrial three-phase utilization voltage is AC380V, therefore this voltage can meet China's ship test requirement, for small part three-phase voltage
Ship higher than AC415V, can be measured and intelligent electric energy meter（2）Between increase transformer, voltage is down to below AC415V,
Intelligent electric energy meter（2）Current acquisition port L1+, L1-, L2+, L2-, L3+, L3-, are respectively connected to measured L1, L2, L3
Current Transmit 1, CT2 on three-phase, on CT3, intelligent electric energy meter（2）Current acquisition port maximum allowed current is 5A, electricity
The standard output voltage of current transformer will lead back L1 also in 5A, by current transformer, and the high current in L2, L3 is converted into electric energy
The low current that can be measured, Current Transmit 1, CT2 are counted, CT3 is not belonging to the system composition, the main distribution system in Ship Power Station
In system design, due to the needs of automatic controlling and monitoring, current transformer, this load data collection dress must be configured on major loop
Put and make use of the current transformer being configured to carry out current data collection, intelligent electric energy meter is passing through above-mentioned voltage and current
With the connection of major loop in gatherer process, while power, frequency and the power factor in measured circuit are calculated；PLC module（7）
Be made of host and 5 communication modules, wherein communication module 1 be responsible for remote display unit PC carry out voltage, electric current, power,
The data transfer of frequency and power factor, remaining 4 communication module are each responsible for carrying out data transmission with 4 intelligent electric energy meters,
Voltage, electric current, power, frequency and power factor that electric energy meter collects are collected, controls power supply（9）It is exclusively used in present apparatus inside
Intelligent electric energy meter and PLC module provide power supply, control power supply（9）Input voltage be AC220V, with the single-phase use of China's standard
Piezoelectric voltage is consistent, and output voltage meets electric energy meter and PLC module for DC24V（7）General Requirement.
A kind of 2. marine generator group load test teledata acquisition device according to claim 1, it is characterised in that
No. 2 in the system, No. 3 be connected, simply measured circuit difference the same with No. 1 with the system of No. 4 intelligent electric energy meters.
A kind of 3. marine generator group load test teledata acquisition device according to claim 1, it is characterised in that
The present apparatus can at most measure 4 generators at the same time, meet that common ship generating set unit load test and maximum 4 machines are in parallel
The requirement of load test data acquisition.
A kind of 4. marine generator group load test teledata acquisition device according to claim 1, it is characterised in that
The system device is using, and can be placed on data acquisition device in the main switching compound of power station.
A kind of 5. marine generator group load test teledata acquisition device according to claim 1, it is characterised in that
Data transfer uses RS485 communication interfaces, and data transfer uses MODBUS protocol bus, and remote display terminals PC is general electricity
Brain, be provided with shown for data, data form arrange and data storage software, the software also have set data adopt automatically
The function in cycle, according to requirements of the national standard, generator load needs carry out 25%, 50%, 75%, 100%, 110% totally 5 when testing
A state be separately operable 0.25,0.25,0.50,2,0.50 it is small when data record, which can set corresponding upon actuation
Time according to data of above time showing automatic collection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711327830.5A CN108020784A (en) | 2017-12-13 | 2017-12-13 | A kind of marine generator group load test teledata acquisition device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711327830.5A CN108020784A (en) | 2017-12-13 | 2017-12-13 | A kind of marine generator group load test teledata acquisition device |
Publications (1)
| Publication Number | Publication Date |
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| CN108020784A true CN108020784A (en) | 2018-05-11 |
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ID=62073363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711327830.5A Pending CN108020784A (en) | 2017-12-13 | 2017-12-13 | A kind of marine generator group load test teledata acquisition device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109143065A (en) * | 2018-08-17 | 2019-01-04 | 广新海事重工股份有限公司 | A kind of Ship Power Station testing equipment |
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| CN101706656A (en) * | 2009-05-26 | 2010-05-12 | 上海海事大学 | Development platform for automatic power station of ships |
| CN101951025A (en) * | 2010-08-19 | 2011-01-19 | 中国海洋石油总公司 | Energy management system of offshore grid |
| CN102608463A (en) * | 2012-03-15 | 2012-07-25 | 华南理工大学 | Full-automatic ship generator set measurement and control system |
| CN203179642U (en) * | 2013-03-20 | 2013-09-04 | 广东中远船务工程有限公司 | Novel water resistance device for load test of marine generating set |
| CN204167914U (en) * | 2014-11-17 | 2015-02-18 | 招商局重工（江苏）有限公司 | A kind of energy back feed device and marine generator stress test system |
| CN205157662U (en) * | 2015-10-28 | 2016-04-13 | 河南开启电力实业有限公司 | Power consumption quality monitoring early warning device |
| CN106443441A (en) * | 2016-07-12 | 2017-02-22 | 广船国际有限公司 | Ship and maritime work platform medium-voltage power system load test device |
-
2017
- 2017-12-13 CN CN201711327830.5A patent/CN108020784A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101706656A (en) * | 2009-05-26 | 2010-05-12 | 上海海事大学 | Development platform for automatic power station of ships |
| CN101951025A (en) * | 2010-08-19 | 2011-01-19 | 中国海洋石油总公司 | Energy management system of offshore grid |
| CN102608463A (en) * | 2012-03-15 | 2012-07-25 | 华南理工大学 | Full-automatic ship generator set measurement and control system |
| CN203179642U (en) * | 2013-03-20 | 2013-09-04 | 广东中远船务工程有限公司 | Novel water resistance device for load test of marine generating set |
| CN204167914U (en) * | 2014-11-17 | 2015-02-18 | 招商局重工（江苏）有限公司 | A kind of energy back feed device and marine generator stress test system |
| CN205157662U (en) * | 2015-10-28 | 2016-04-13 | 河南开启电力实业有限公司 | Power consumption quality monitoring early warning device |
| CN106443441A (en) * | 2016-07-12 | 2017-02-22 | 广船国际有限公司 | Ship and maritime work platform medium-voltage power system load test device |
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| CN109143065A (en) * | 2018-08-17 | 2019-01-04 | 广新海事重工股份有限公司 | A kind of Ship Power Station testing equipment |
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Application publication date: 20180511 |
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