CN200972497Y - Automatic monitoring device for ship electric station test - Google Patents
Automatic monitoring device for ship electric station test Download PDFInfo
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- CN200972497Y CN200972497Y CN 200620094186 CN200620094186U CN200972497Y CN 200972497 Y CN200972497 Y CN 200972497Y CN 200620094186 CN200620094186 CN 200620094186 CN 200620094186 U CN200620094186 U CN 200620094186U CN 200972497 Y CN200972497 Y CN 200972497Y
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- ship power
- current sensor
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Abstract
An automatic monitoring device for ship power station testing comprises a ship power station comprising a generating set, a data receiving and storage device, a data display, editing and stating device, a sampling current sensor, a signal converter for sampling voltage, a current transducer and a voltage transducer. The sampling current sensor and the signal converter for sampling voltage respectively connect with the primary sides of the ship power station, and the current sensor and the voltage transducer matching the set system connect with the secondary side of the grip of the ship power station. The data display, editing and stating device comprises a computer and a data collector, and the sampling current sensor and the signal converter for sampling voltage connect with the data receiving and storage device; the data receiving and storage device is connected with the computer of data display, editing and stating device, the current transducer and the voltage transducer and the data collection device of the data display, editing and stating device. The utility model features in simple structure, all-rounded data recording, accurate and automatic generation of statement of test records, therefore the device saves time and labor.
Description
(1) technical field
The utility model relates to monitoring device, particularly relates to Ship Power Station test automated watch-keeping facility.
(2) background technology
The Ship Power Station is a crucial power equipment on the ship, in the stage of Power Electronic Technique develop rapidly, consumer on the ship also constantly increases, especially the quantity of sophisticated electronics is more and more, power station quality and monitoring are also had higher requirement, at present in the debugging of the operational monitoring of Ship Power Station and Ship Power Station (generator) and examination, the main range estimation mode record data that adopt, in case generator go wrong can only record trouble time and phenomenon of the failure, power supply quality during for fault can not real time record, inconvenient faults analysis.Especially relate to the examination and the record of index in the generator system test, generally adopt the laboratory standard instrument to be attempted by in the electrical network, rely on artificial observation and record fully, the result is: there is error in data recording, while line complexity in connection, and sampling spot is many.Record is imperfect when doing the transient state test, also influences accuracy.Test efficiency is low, expends time in and manpower.
(3) summary of the invention
The technical problems to be solved in the utility model provides a kind of Ship Power Station operational monitoring or test index of being applicable to and examine record, and record is accurately time saving and energy saving, satisfies the Ship Power Station test monitoring device of monitoring or testing requirements.
The technical scheme that adopts is:
Ship Power Station test automated watch-keeping facility, the current transformer and the voltage transformer (VT) that comprise the Ship Power Station formed by genset, Data Receiving memory storage, data presentation editor's form device, sample rate current sensor, sampled voltage signal converter, mate with apparatus system.Sample rate current sensor and sampled voltage signal converter are connected on the primary side of Ship Power Station network respectively, the secondary side that is connected on the Ship Power Station network with the current transformer and the voltage transformer (VT) of apparatus system coupling.Described data presentation editor's form device comprises computing machine and data acquisition unit, the sample rate current sensor is connected with the Data Receiving memory storage with the sampled voltage signal converter, the Data Receiving memory storage is connected with the computing machine of data presentation editor form device, and current transformer is connected with the data acquisition unit of voltage transformer (VT) with data presentation editor form device.
Above-mentioned Data Receiving memory storage is made up of A/D conversion equipment, central signal processor, storer, phaselocked loop, trigger and communication interface.Storer is connected with the central signal processor with communication interface, and phaselocked loop connects the A/D conversion equipment, and the A/D conversion equipment is connected with the central signal processor, and trigger connects the central signal processor.
The utility model advantage is simple in structure, and data recording comprehensively, accurately can be carried out recording setting according to testing requirements, gives birth to the test data sheet form automatically, and is time saving and energy saving.
(4) description of drawings
Fig. 1 is the utility model monitoring analysis figure.
Fig. 2 is a Data Receiving memory storage hardware principle process flow diagram.
(5) embodiment
Ship Power Station test automated watch-keeping facility, the current transformer 6 and the voltage transformer (VT) 5 that comprise the Ship Power Station formed by genset, Data Receiving memory storage 2, data presentation editor's form device 1, sample rate current sensor 4, sampled voltage signal converter 3, mate with apparatus system.Shown in Figure 1, guarantee the accuracy of acquired signal, sample rate current sensor 4 and sampled voltage signal converter 3 are connected on the primary side of Ship Power Station network respectively.In order to ensure the accuracy of COMPUTER CALCULATION, adopt phase three-wire three triangular form connection.The secondary side that is connected on the Ship Power Station network with the current transformer 6 and the voltage transformer (VT) 5 of apparatus system coupling.Described data presentation editor's form device 1 comprises computing machine and data acquisition unit, sample rate current sensor 4 adopts data line to be connected with sampled voltage signal converter 3 with Data Receiving memory storage 2, sampled signal is directly inputted in the Data Receiving memory storage 2, Data Receiving memory storage 2 adopts data cable to be connected with the computing machine of data presentation editor form device 1, carry out the data presentation analysis by computing machine, can data download receiving/storing device 2 interior data edit printing reports simultaneously.Current transformer 6 is connected with data line with the data acquisition unit sample connection of voltage transformer (VT) 5 with data presentation editor form device 1, the electric current and direct access of voltage signal of secondary side are carried out the measurement of electric current and voltage signal, and compare with the signal of Data Receiving memory storage 2, guarantee the accuracy of data in gatherer process.Described Data Receiving memory storage 2, shown in Figure 2, form by A/D conversion equipment, central signal processor, storer, phaselocked loop, trigger and communication interface, all adopt data line that storer is connected with the central signal processor with communication interface, phaselocked loop connects the A/D conversion equipment, the A/D conversion equipment is connected with the central signal processor, and trigger connects the central signal processor.Sampled voltage signal converter 3 is with the voltage signal conversion of taking a sample, after converting a millivolt level signal to and entering Data Receiving memory storage 2, the A/D conversion equipment changes into digital quantity with analog quantity, by the central signal processor processing, deposit in the storer, in order to guarantee in the frequency process load quantity of the sampled point in each cycle, use PHASE-LOCKED LOOP PLL TECHNIQUE, guaranteed the precision of sampling.Sample rate current sensor 4 is taken a sample current signal behind the shift conversion one-tenth milliampere level signal, the A/D conversion equipment changes into digital quantity with analog quantity, pass through central information processor, deposit in the storer, for transition and surge voltage, electric current is equally through the A/D conversion equipment, central information processor is stored simultaneously, these variablees are not subjected to acquisition and recording restriction at interval, also can trigger be set according to the requirement of power station monitoring and test, in case find to transfinite value, deliver to the central signal processor by trigger, this installs automatic opening entry, can write down the transition of 1 microsecond, notes the waveform in five cycles.If the state of voltage and electric current in the time of when the generator dynamic test, can writing down transition, record waveform at this moment simultaneously by external trigger.The central signal processor is connected to digital signal and receives the output control gear, control sampling period, the time interval, monitors automatically in official hour or measures according to test determination.
Data presentation editor's form device, use as showing in real time in the post-installation review stage, can show parameters such as power, power factor, frequency, voltage, electric current, degree of unbalancedness simultaneously, generate power supply performance assessment criteria form at interval automatically, form test data sheet according to testing requirements.Dynamic test records such as voltage fluctuation rate, frequency jitter rate formed dynamic fluctuation waveform and data sheet by Computer Analysis equally when the data acquisition unit of forming data presentation editor form device in addition can be finished dynamic test.This data acquisition, processing are accurately analyzed comprehensively, and error reduces.For DC component, for example the field voltage of generator and exciting current can directly be gathered by data acquisition unit, analytic record.
Claims (2)
1, Ship Power Station test automated watch-keeping facility, comprise the Ship Power Station of forming by genset, Data Receiving memory storage (2), data presentation editor's form device (1), sample rate current sensor (4), sampled voltage signal converter (3), current transformer (6) and voltage transformer (VT) (5) with the apparatus system coupling, it is characterized in that described sample rate current sensor (4) and sampled voltage signal converter (3) directly are connected on the primary side of Ship Power Station network respectively, current transformer (6) and voltage transformer (VT) (5) are connected on the secondary side of Ship Power Station network, data presentation editor's form device (1) comprises computing machine and data acquisition unit, sample rate current sensor (4) is connected with Data Receiving memory storage (2) with sampled voltage signal converter (3), Data Receiving memory storage (2) is connected with the computing machine of data presentation editor form device (1), and current transformer (6) is connected with the data acquisition unit of voltage transformer (VT) (5) with data presentation editor form device (1).
2, test automated watch-keeping facility in Ship Power Station according to claim 1, it is characterized in that described Data Receiving memory storage (2), form by A/D conversion equipment, central signal processor, storer, phaselocked loop, trigger and communication interface, storer is connected with the central signal processor with communication interface, phaselocked loop connects the A/D conversion equipment, the A/D conversion equipment is connected with the central signal processor, and trigger connects the central signal processor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620094186 CN200972497Y (en) | 2006-11-20 | 2006-11-20 | Automatic monitoring device for ship electric station test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620094186 CN200972497Y (en) | 2006-11-20 | 2006-11-20 | Automatic monitoring device for ship electric station test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200972497Y true CN200972497Y (en) | 2007-11-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620094186 Expired - Fee Related CN200972497Y (en) | 2006-11-20 | 2006-11-20 | Automatic monitoring device for ship electric station test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200972497Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103439610A (en) * | 2013-08-30 | 2013-12-11 | 国家电网公司 | Electric power quality detecting collecting terminal |
-
2006
- 2006-11-20 CN CN 200620094186 patent/CN200972497Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103439610A (en) * | 2013-08-30 | 2013-12-11 | 国家电网公司 | Electric power quality detecting collecting terminal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071107 Termination date: 20151120 |
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| EXPY | Termination of patent right or utility model |