CN201732113U - Ship electric energy quality detection device - Google Patents
Ship electric energy quality detection device Download PDFInfo
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- CN201732113U CN201732113U CN2010202128933U CN201020212893U CN201732113U CN 201732113 U CN201732113 U CN 201732113U CN 2010202128933 U CN2010202128933 U CN 2010202128933U CN 201020212893 U CN201020212893 U CN 201020212893U CN 201732113 U CN201732113 U CN 201732113U
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Abstract
The utility model relates to a ship electric energy quality detection device, belonging to the field of electrical power system detection technology. The ship electric energy quality detection device comprises a voltage sensor, a current sensor, a signal conditioning circuit, a data acquisition card and a computer; modules comprise a starting interface module, a parameter correction module, a data acquisition module, a harmonic analysis module, a wave form display module, an alarm module, a data storage module, a remote monitoring module, a report generation module and a data reproducing playback module; and the voltage sensor and the current sensor are connected with the signal conditioning circuit by plug-in units. The utility model has extremely remarkable advantages, and realizes the measurement of the electric energy of electric power, wherein the measurement includes the measurement of the voltage, the current, the active power, the reactive power, the apparent power, the power factor, the three-phase voltage, the current unbalance degree and the frequency of a ship electrical power system; meanwhile, the utility model can be used for storing and recording data, carrying out reproduce playback and analysis on the data, generating detection report forms, and monitoring in a remote way.
Description
Technical field
The utility model relates to a kind of boats and ships Power Quality Detection device, belongs to electric system detection technique field, is particularly suitable for as electric system pick-up unit in the ship craft integrated electric propulsion system that adopts RHVC.
Background technology
The Power Quality Detection device is that the voltage, electric current, active power, reactive power, applied power, imbalance of three-phase voltage degree, three-phase current unbalance degree and the power factor that are used for electric system are measured.Utilize measurement result, understand the quality of power supply, improve power consumption efficiency, reduce the wastage, improve electric circumstance, increase the national economy overall benefit.
Since the eighties in 20th century, the combined power Push Technology has progressively become the trend of modern ships power development, and is used widely.Why ship craft integrated electric propulsion system can be fast-developing, give the credit to Power Electronic Technique, modern control technology, microelectric technique and improvement of computer science in recent years to a great extent, make ac speed control technology obtain breakthrough, the speed adjusting performance of AC motor has has met or exceeded direct current motor, and the AC electrical acc power is very big, can satisfy the requirement of modern ships electric propulsion to motor capacity.
Frequency control is mainly adopted in the speed governing that exchanges propulsion motor, and this just requires can change voltage magnitude and frequency simultaneously to the power supply of alternating current generator power supply.Adopting power electronic devices to realize in the process of frequency control, because the switching characteristic of power semiconductor device, the distortion of waveform all can occur, producing a large amount of harmonic waves at the voltage and current of its input and output side.In addition, used more nonlinear load on the boats and ships, also can produce harmonic wave as impact load equipment etc., coming into operation of particularly powerful equipment and corresponding power-converting device thereof will produce abundant more harmonic wave.
For ship craft integrated electric propulsion system, a large amount of harmonic waves exists, and can make efficient reduction, the electrical equipment appearance of generating, output and consumer overheated, produces vibrations and noise, and cause insulation ag(e)ing, serviceable life to shorten, even equipment failure takes place or burn; Harmonic wave can cause that also the reliability of boats and ships relay protection device and automaton reduces, and causes producing misoperation; In addition, harmonic wave also can produce serious interference to communication facilities and electronic equipment.So on the boats and ships that adopt combined power to advance, harmonic wave is a problem that must conscientiously solve.
Present boats and ships Power Quality Detection device, the overwhelming majority adopts third generation testing tool---intelligence instrument, as the portable electric energy quality detection device, hand-held Power Quality Detection device, they mainly utilize digital technology and hardware to realize, be easy to be subjected to the influence of external environment, and measuring accuracy is not very high, when detecting different index, need to change corresponding hardware, this brings a lot of inconvenience for detection and analysis, for realizing the more test of multiparameter, just must additionally be furnished with ancillary hardware, increased volume and cost greatly, and made troubles for the upgrading of instrument.Traditional electric energy detection device real-time is relatively poor, can not preserve mass data in real time, is not easy to observe historical data, and mass data need be handled and preserve to modern electric energy quality monitoring system.What prior art extensively adopted at present is that statistics type voltage table detects rate of qualified voltage, adopts portable harmonic analysis instrument to measure harmonics level.This Power Quality Detection means and management mode exist real-time poor, detect that index is few, measuring error is big, workload reaches limitation such as efficient is low greatly.
Summary of the invention
The purpose of this utility model is, overcome the shortcoming that prior art exists, realization is measured the electric energy of Ship Electrical Power System, comprise that voltage, electric current, active power, reactive power, applied power, power factor, imbalance of three-phase voltage degree, three-phase current unbalance degree, frequency to Ship Electrical Power System measure, can carry out recording storage, warning, data reproduction playback, detect report printing, remote monitoring signal data simultaneously; Realize that the detection real-time is good, detect the purpose that index is many, measuring error is little, workload is little and efficient is high; Instruct the technological transformation of Ship Electrical Power System according to testing result, improve efficiency of energy utilization, reduce power attenuation.
The technical solution of the utility model is: a kind of boats and ships Power Quality Detection device, and it comprises voltage sensor, current sensor, signal conditioning circuit, data collecting card and computing machine; Software module comprises: start interface module, parameter correcting module, data acquisition module, frequency analysis module, waveform display module, alarm module, data memory module, remote monitoring module, report generation module, data reproduction playback module; Described voltage sensor, current sensor are connected with signal conditioning circuit by plug-in unit, this signal conditioning circuit is used for converting voltage signal, the current signal of voltage sensor, current sensor output to signal that data collecting card can receive by signal wire and data acquisition card connection.
Data collecting card described in the utility model, its data acquisition channel are 3-12, the resolution of data collecting card more than or equal to 19, smaller or equal to 36.
Data collecting card described in the utility model, it reaches c mutually with b mutually with a of frequency converter Δ winding and Y winding and is connected, and is used to receive a that comprises frequency converter Δ winding and Y winding reaches the c phase mutually mutually with b voltage signal and current signal.
Data collecting card described in the utility model is selected the data collecting card of 0-10V input, 24 bit resolutions, 50ks/s/ch, passage synchronized sampling, anti-aliasing and anti-leak for use.
Data collecting card described in the utility model and computing machine are that the socket of USB plug and play is connected.
Frequency analysis module described in the utility model, it is used for the data-signal that the analytical calculation capture card is gathered, and calculates voltage effective value, current effective value, active power, reactive power, applied power, power factor, imbalance of three-phase voltage degree, three-phase current unbalance degree and frequency.
Data reproduction playback module described in the utility model, it be one comprise historical data loading, data channel selection, datagraphic conversion, a waveform left side/move right, waveform suspend, fast/playback at a slow speed, the playback period is selected, width of cloth base is selected, the time base select the data reproduction playback module of part.
Remote monitoring module described in the utility model, it and a plurality of independently local pick-up unit are received LAN (Local Area Network) with netting twine, are used to realize single remote monitoring or a plurality of while remote monitoring.
Report generation module described in the utility model, it is connected with the ActiveX automated server, is used to control attribute and the method for Word, thereby generates form.
Effect of the present utility model is: these boats and ships Power Quality Detection device is that the voltage, electric current, active power, reactive power, applied power, power factor, imbalance of three-phase voltage degree, three-phase current unbalance degree and the frequency that are used for ship craft integrated electric propulsion system are measured, simultaneously can carry out stored record to signal data, data reproduction playback and analysis and remote monitoring.Load time is shorter, can navigate to fast the time period of wanting playback.Have ease for use and high performance-price ratio, superior performance, big, the quick and high-precision measurement function of dirigibility; Have detect real-time good, detect the characteristics that index is many, measuring error is little, workload is little and efficient is high; Instruct the technological transformation of Ship Electrical Power System according to test result, improve efficiency of energy utilization, reduce power attenuation.
Description of drawings
Fig. 1 is the utility model pick-up unit overall construction drawing;
Fig. 2 is the utility model pick-up unit entire block diagram;
Fig. 3 is the utility model pick-up unit workflow diagram.
The name of mark is called among the figure: 1.1-voltage sensor, 1.2 current sensors; The 2-signal conditioning circuit; The 3-data collecting card; The 4-computing machine; The 5-plug-in unit.
Embodiment
Be described further as follows to a kind of boats and ships Power Quality Detection of the utility model device in conjunction with the accompanying drawings and embodiments:
Embodiment 1:
As shown in Figure 1, a kind of boats and ships Power Quality Detection device, it has a voltage sensor 1.1, current sensor 1.2, signal conditioning circuit 2, data collecting card 3 and computing machine 4; Software module comprises: start interface module, parameter correcting module, data acquisition module, frequency analysis module, waveform display module, alarm module, data memory module, remote monitoring module, report generation module, data reproduction playback module; Described voltage sensor 1.1, current sensor 1.2 are connected with signal conditioning circuit 2 by plug-in unit, this signal conditioning circuit 2 is connected with data collecting card 3 by signal wire, is used for converting voltage signal, the current signal of voltage sensor 1.1, current sensor 1.2 outputs to signal that data collecting card 3 can receive.Described data collecting card 3, its data acquisition channel are 3-12, and present embodiment has 12 as shown in Figure 1, the resolution of data collecting card 3 more than or equal to 19, smaller or equal to 36, present embodiment is 24.Described data collecting card 3, it reaches c mutually with b mutually with a of frequency converter Δ winding and Y winding and is connected, and is used to receive a that comprises frequency converter Δ winding and Y winding reaches the c phase mutually mutually with b voltage and current signal.Described data collecting card 3 is selected the data collecting card of 0-10V input, 50ks/s/ch, passage synchronized sampling, anti-aliasing and anti-leak for use.Described data collecting card 3 and computing machine are that the socket of US B plug and play is connected.Described voltage sensor 1.1 is that the original edge voltage measurement range is the voltage sensor of 0-± 1500V, and current sensor 1.2 is that the primary current measurement range is the current sensor of 0-± 2000A.Described frequency analysis module, be used for the data-signal that analytical calculation capture card 3 is gathered, calculate voltage effective value, current effective value, active power, reactive power, applied power, power factor, imbalance of three-phase voltage degree, three-phase current unbalance degree and frequency.Described data reproduction playback module, it be one comprise historical data loading, data channel selection, datagraphic conversion, a waveform left side/move right, waveform suspend, fast/playback at a slow speed, the playback period is selected, width of cloth base is selected, the time base select the data reproduction playback module of part.Described remote monitoring module, it and a plurality of independently local pick-up unit are received LAN (Local Area Network) with netting twine, are used to realize single remote monitoring or a plurality of while remote monitoring.Described report generation module, it is connected with the ActiveX automated server, is used to control attribute and the method for Word, thereby generates form.
Embodiment 2:
Different with the foregoing description 1 is: described data collecting card 3 is selected 36 bit resolutions for use, 8 acquisition channel synchronous acquisition.
Embodiment 3:
Different with the foregoing description 1 is: differently with the foregoing description 1 be: described data collecting card 3 is selected 19 bit resolutions for use, 4 acquisition channel synchronous acquisition.
The course of work of the utility model device is as follows:
A) beginning: voltage sensor 1.1 is connected with A, B plug-in unit in the plug-in unit 5, and current sensor 1.2 is connected with C, D plug-in unit in the plug-in unit 5; A, b, c phase with a, the b of the voltage sensor 1.1 of plug-in unit A correspondence, Δ winding that c receives the transformer secondary respectively; A, b, c phase with a, the b of the voltage sensor 1.1 of plug-in unit B correspondence, Y winding that c receives the transformer secondary respectively; A, b, c phase with a, the b of the current sensor 1.2 of plug-in unit C correspondence, Δ winding that c receives the transformer secondary respectively; A, b, c phase with a, the b of the current sensor 1.2 of plug-in unit D correspondence, Y winding that c receives the transformer secondary respectively;
B) start: open the switch board sky and open, press the system start-up button of switch board guidance panel, open the computer starting program;
C) data pre-service: comprise and open the Labview platform, call software package, system initialization; Enter " electric energy detection system under the nonsinusoidal condition " interface, checking in the hurdle under master menu clicked " parameter correction ", imports the corrected parameter of each passage; In " test of transformer Y winding " inset, input detects the path that data will be preserved in " data input path "; In " inquiry of reporting to the police " inset, remove alarm history;
D) data acquisition and test: log-on data capture card, multi-channel data acquisition; In the inset of " test of transformer Δ winding ", press the " RUN " button with mouse, at this moment the beginning image data all shows various data in real time in " test of transformer Δ winding " and " test of transformer Y winding " inset; In " inquiry of reporting to the police " inset, understand timely display alarm situation and corresponding prompt is arranged and explanation; In " frequency analysis " inset, can select to check separately oscillogram, FFT (root mean square) and the corresponding amplitude spectrum of each passage; In " waveform demonstration " inset, display mode and the color that can select to show the waveform of a plurality of passages and respective waveforms can be set;
E) data processing: comprise that data reproduction playback, reading and writing data, data are printed, telecommunication; Data readback is at the data of storing in acquisition system, the data file that selection will be paid a return visit, select to want the data channel of playback, 12 passages are arranged here, the Show Styles and the color of each waveform can be set, simultaneously can select waveform to move to left, waveform moves to right, waveform suspends, fast/playback at a slow speed, the playback period is selected, width of cloth base is selected, the time base selection etc.;
F) stop: program out of service; After data acquisition finishes, in the option of operation of menu, select " stopping ", select " withdrawing from " program out of service.
Claim protection domain of the present utility model is not limited to the foregoing description.
Claims (9)
1. a boats and ships Power Quality Detection device is characterized in that it comprises voltage sensor, current sensor, signal conditioning circuit, data collecting card and computing machine; Software module comprises: start interface module, parameter correcting module, data acquisition module, frequency analysis module, waveform display module, alarm module, data memory module, remote monitoring module, report generation module, data reproduction playback module; Described voltage sensor, current sensor are connected with signal conditioning circuit by plug-in unit, this signal conditioning circuit is used for converting voltage signal, the current signal of voltage sensor, current sensor output to signal that data collecting card can receive by signal wire and data acquisition card connection.
2. boats and ships Power Quality Detection device according to claim 1 is characterized in that, described data collecting card, its data acquisition channel are 3-12, the resolution of data collecting card more than or equal to 19, smaller or equal to 36.
3. boats and ships Power Quality Detection device according to claim 1, it is characterized in that, described data collecting card, it reaches c mutually with b mutually with a of frequency converter Δ winding and Y winding and is connected, and is used to receive a that comprises frequency converter Δ winding and Y winding reaches the c phase mutually mutually with b voltage signal and current signal.
4. according to claim 1 or 2 or 3 described boats and ships Power Quality Detection devices, it is characterized in that described data collecting card is selected the data collecting card of 0-10V input, 24 bit resolutions, 50ks/s/ch, passage synchronized sampling, anti-aliasing and anti-leak for use.
5. according to claim 1 or 2 or 3 described boats and ships Power Quality Detection devices, it is characterized in that described data collecting card and computing machine are that the socket of USB plug and play is connected.
6. boats and ships Power Quality Detection device according to claim 1, it is characterized in that, described frequency analysis module, it is used for the data-signal that the analytical calculation capture card is gathered, and calculates voltage effective value, current effective value, active power, reactive power, applied power, power factor, imbalance of three-phase voltage degree, three-phase current unbalance degree and frequency.
7. boats and ships Power Quality Detection device according to claim 1, it is characterized in that, described data reproduction playback module, it be one comprise historical data loading, data channel selection, datagraphic conversion, a waveform left side/move right, waveform suspend, fast/playback at a slow speed, the playback period is selected, width of cloth base is selected, the time base select the data reproduction playback module of part.
8. boats and ships Power Quality Detection device according to claim 1 is characterized in that, described remote monitoring module, and it and a plurality of independently local pick-up unit are received LAN (Local Area Network) with netting twine, are used to realize single remote monitoring or a plurality of while remote monitoring.
9. boats and ships Power Quality Detection device according to claim 1 is characterized in that, described report generation module, and it is connected with the ActiveX automated server, is used to control attribute and the method for Word, thereby generates form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202128933U CN201732113U (en) | 2010-05-28 | 2010-05-28 | Ship electric energy quality detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202128933U CN201732113U (en) | 2010-05-28 | 2010-05-28 | Ship electric energy quality detection device |
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| Publication Number | Publication Date |
|---|---|
| CN201732113U true CN201732113U (en) | 2011-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010202128933U Expired - Lifetime CN201732113U (en) | 2010-05-28 | 2010-05-28 | Ship electric energy quality detection device |
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| CN (1) | CN201732113U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101871984A (en) * | 2010-05-28 | 2010-10-27 | 中国船舶重工集团公司第七一二研究所 | Device and method for detecting electric energy quality of ships |
| CN102749542A (en) * | 2012-07-17 | 2012-10-24 | 江苏中凌高科技有限公司 | Power quality monitoring device based on double-velocity double-range sampling |
| CN102998572A (en) * | 2012-12-18 | 2013-03-27 | 山东电力集团公司电力科学研究院 | Playback device and method for recording power qualities |
| CN103245852A (en) * | 2013-04-16 | 2013-08-14 | 华南理工大学 | Power quality monitoring device for power distribution network based on data acquisition card |
| CN106053976A (en) * | 2016-04-19 | 2016-10-26 | 中国商用飞机有限责任公司北京民用飞机技术研究中心 | Civil aircraft variable-frequency power supply system power quality detection and analysis system and method |
| CN106503481A (en) * | 2016-12-21 | 2017-03-15 | 上海云薄信息技术有限公司 | A kind of intelligent medical treatment equipment management system |
| CN109164797A (en) * | 2018-07-17 | 2019-01-08 | 袁乐铮 | A kind of track method of guidance and system for ship intelligent control |
-
2010
- 2010-05-28 CN CN2010202128933U patent/CN201732113U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101871984A (en) * | 2010-05-28 | 2010-10-27 | 中国船舶重工集团公司第七一二研究所 | Device and method for detecting electric energy quality of ships |
| CN102749542A (en) * | 2012-07-17 | 2012-10-24 | 江苏中凌高科技有限公司 | Power quality monitoring device based on double-velocity double-range sampling |
| CN102749542B (en) * | 2012-07-17 | 2014-06-18 | 江苏中凌高科技有限公司 | Power quality monitoring device based on double-velocity double-range sampling |
| CN102998572A (en) * | 2012-12-18 | 2013-03-27 | 山东电力集团公司电力科学研究院 | Playback device and method for recording power qualities |
| CN103245852A (en) * | 2013-04-16 | 2013-08-14 | 华南理工大学 | Power quality monitoring device for power distribution network based on data acquisition card |
| CN106053976A (en) * | 2016-04-19 | 2016-10-26 | 中国商用飞机有限责任公司北京民用飞机技术研究中心 | Civil aircraft variable-frequency power supply system power quality detection and analysis system and method |
| CN106503481A (en) * | 2016-12-21 | 2017-03-15 | 上海云薄信息技术有限公司 | A kind of intelligent medical treatment equipment management system |
| CN109164797A (en) * | 2018-07-17 | 2019-01-08 | 袁乐铮 | A kind of track method of guidance and system for ship intelligent control |
| CN109164797B (en) * | 2018-07-17 | 2021-12-14 | 袁乐铮 | Track guidance method and system for intelligent control of ship |
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| C14 | Grant of patent or utility model | ||
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| CX01 | Expiry of patent term | ||
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Granted publication date: 20110202 |