CN2572346Y - Universal test and analysis instrument for electromechanical equipment of ship and warship - Google Patents
Universal test and analysis instrument for electromechanical equipment of ship and warship Download PDFInfo
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- CN2572346Y CN2572346Y CN 02279492 CN02279492U CN2572346Y CN 2572346 Y CN2572346 Y CN 2572346Y CN 02279492 CN02279492 CN 02279492 CN 02279492 U CN02279492 U CN 02279492U CN 2572346 Y CN2572346 Y CN 2572346Y
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Abstract
The utility model relates to a universal test and analysis instrument for electromechanical devices of ships and warships, which is used for conveniently carrying industrial control computers which are used as hardware platforms. A signal collecting circuit board, a signal processing circuit board, and a conditioning circuit board of electric quantity are inserted into extending slots of the computers. Through the collecting circuit board which is especially designed, ten universal and special test instruments, such as a digital oscilloscope, a spectrum analyzer, a pressure measurer, a vibration measurement instrument, a digital speed indicator, a thermometer, a flowmeter, a frequency meter, a digital multimeter, and other instruments are integrated into integration, and through adopting design technique of a virtual instrument, specialized functions and controls of panels of the traditional instrument are conducted with software; the utility model not only can have universal functions of the general computers, but also can have detecting, oscillography, and analyzing functions to general electric quantity on the ships and the warships, quantity of state, quantity of motion, and thermal performance parameters of a host machine and an auxiliary engine. The utility model has the advantages of simple operation, convenient carrying, strong universal property, and strong extension property. The utility model not only can be suitable for detection and maintenance of electromechanical devices of the ships and the warships, but also can be suitable for the detection and the maintenance of general civil electromechanical devices.
Description
Technical field
The utility model relates to the surveying instrument instrument, particularly at the portable test analysis and the failure diagnostic apparatus of naval vessel electromechanical equipment.
Background technology
The application of a large amount of new and high technologies in the naval vessel equipment makes the naval vessel equipment be tending towards systematization, complicated, also changed the fault mode and the maintenance rule of original naval vessel equipment simultaneously.Therefore, the fault rule of exploration Modern Ships equipment and maintenance policy are the main contents of warship maintenance management.The rule of fault is to find, thereby the naval vessel running status is implemented effective monitoring, diagnosing become the new indispensable action of maintenance system the next item down.The application of a large amount of new and high technologies in equipment makes that the hierarchy of skill of naval vessel equipment is more and more higher, the breadth and depth of monitoring and maintenance all increases to some extent, require the maintenance means more and more advanced, the traditional instrument equipment of those function singlenesses, versatility difference can not provide effective technical service for naval vessel monitoring, diagnosing and maintenance support, this is suitable for modern New Instruments of equipping monitoring, diagnosing with regard to an urgent demand exploitation, to adapt to the development of equipment technology.
Though measure through having adopted microcomputer to concentrate on the existing naval vessel of China part, generally speaking still have following shortcoming: 1, the parameter of surveying incomplete.The sensor kind of selecting for use is few, and many important parameters (as in-cylinder pressure, high pressure pipe pressure etc.) can't be measured.2, be not easy to centralized management.Some parameter still must in-site measurement, can not introduce central station of floating dock.3, selected microcomputer performance is not high, can not be further processed the result.Human-computer interaction interface is not good, uses inconvenience.4, can not carry out universal test.In addition, the used master in naval vessel, a pair machine model are extremely disperseed, and a kind of proving installation of model can not be used for the main and submachine of another kind of model.In case 5 supervisory systems go wrong, warship person can't detect rapidly and know that fault appears at sensor and line still is the control microcomputer part partly actually, is unfavorable for recovering rapidly monitoring function.
The Modern Ships monitoring, diagnosing also need be used many instrument and equipments except that the needs monitor control system is monitored in real time, as multimeter, oscillograph, pressure tester, vibration measurement instrument, spectrum analyzer etc.Yet, because these instrumental functions are single, bad adaptability, cause Instrument purchase disorderly to be mixed, it is serious to repeat to purchase phenomenon, and fund is wasteful, What is more, needs all when detecting pickaback that car draws a lot of instruments at every turn, and this has brought a lot of inconvenience to forwar support maintenance and monitoring, diagnosing.
Summary of the invention
It is hardware platform with portable reinforcement type industrial computer that the purpose of this utility model provides a kind of, signal acquisition circuit plate, signal processing circuit board, electric quantity signal treatment circuit plate are inserted in the expanded slot of computer, adopt the Design of Virtual Instrument technology, melt the general and special test equipment of ten kinds of digital oscilloscope, spectrum analyzer, pressure tester, vibration measurement instrument, digital revmeter, digital thermometer, digital flowmeter, digital frequency meter, signal generator, digital multimeter etc. and constitute a kind of multifunctional virtual signal testing analyser in one.Detect the naval vessel operational factor and only needing can realize the configuration different sensors to monitor with convenient moving different type of machines and parameter, and, in case supervisory system has fault on the ship, also available this instrument replaces carrying out the monitoring and the fault analysis and diagnosis of part critical function.1 main assembly, 1.1 hardware components 1.1.1 sensors
The sensor that whole instrument can be tested mainly comprises following:
(1). in-cylinder pressure sensor: use this sensor can be to testing by cylinder of diesel engine internal pressure waveform and can show its load-position diagram, survey data so that diesel engine combustion is carried out analyzing and processing.
(2). the high pressure pipe pressure sensor: the fuel pressure wave in the diesel fuel system mesohigh oil pipe contains a large amount of useful signals, available this high pressure pipe pressure sensor is tested, its type of sensor has two kinds: a kind of is to adopt the threeway mode that sensor is attempted by in the high-pressure oil pipe, its oil pressure ripple is carried out test analysis, and another kind is to adopt the clipping sensor of nothing dismounting that fuel pressure wave is carried out test analysis.This tester all can adopt these two types of sensors to test.
(3). speed probe: tach signal mainly comprises general general rotating speed and the high tach signal of supercharger, this instrument is tested tach signal at the magnetoelectric tachometric transducer of a large amount of utilizations on the naval vessel, also can test the supercharger speed that adopts the magneto-electric mode to carry out measurement of rotating speed simultaneously.
(4). thermocouple sensor: thermocouple sensor is all adopted in the measurement of diesel engine row temperature and many high temperature, and this tester can just carry out temperature test to its thermocouple sensor and temperature thereof.
(5). thermal resistance sensor: thermal resistance sensor is adopted in the measurement of general medium and low temperature (as oil temperature, water temperature) etc.This tester can be tested thermal resistance sensor and temperature thereof.
(6). vibration transducer: this tester can be tested vibration acceleration sensor, vibrating speed sensors, vibration displacement sensor and vibration signal thereof.
(7). the voltage-type transmitter: this tester can be tested voltage-type pressure unit output signal.
(8). the current mode transmitter: this tester can be tested current mode pressure unit output signal.
(9). flow sensor: but this tester flow sensor and flow signal thereof are tested.1.1.2 signal processing circuit
Signal processing circuit is mainly finished amplification, processing, the conversion to weak signals such as some sensors.
Signal processing circuit is by first, second and third programmed switch, first and second passage treatment circuit of square wave and analysis of spectrum, voltage signal processing circuit, the current signal treatment circuit, frequency signal treatment circuit, the high tach signal treatment circuit of supercharger, the small voltage signal processing circuit, the tach signal treatment circuit, thermal resistance signal treatment circuit, thermocouple signal treatment circuit, the thermistor signal treatment circuit, the software signal output processing circuit, compositions such as hardware signal output processing circuit see Fig. 1 for details.
Programmed switch: by software it is controlled, with the various input signals of switch test; Oscillography and analysis of spectrum treatment circuit: to carrying out oscillography or analysis of spectrum after the input signal processing and amplifying; Voltage signal processing circuit: every signal of importing with voltage is carried out pre-service amplify;
The charge signal treatment circuit: to every signal of importing with the quantity of electric charge amplify, processing such as filtering; The current signal treatment circuit: to every signal of importing with the magnitude of current amplify, processing such as filtering; The frequency signal treatment circuit: to every signal of importing with frequency quantity amplify, processing such as filtering; Small voltage signal processing circuit: mainly be at digital multimeter test during, and carry out processing and amplifying specially less than the small voltage signal of 50V; Tach signal treatment circuit: when being primarily aimed at, amplify, shaping, conversion process with magnetoelectric tachometric transducer test tach signal; The thermal resistance signal treatment circuit is primarily aimed at the used thermal resistance sensor signal of probe temperature and carries out processing and amplifying; The thermocouple signal treatment circuit is primarily aimed at the used thermocouple sensor signal of probe temperature and carries out processing and amplifying; The thermistor signal treatment circuit is primarily aimed at the used thermistor (temperature) sensor signal of probe temperature and carries out processing and amplifying, and this instrument compensates with thermistor (temperature) sensor (being contained in the machine) test environment temperature and to cold junction temperature; Software DA output signal processing circuit is finished the signal generator signal that is produced by software is exported processing.Hardware DA output signal processing circuit is finished the signal generator signal that is produced by hardware is exported processing.More than whole signal processing circuit be integrated in the signal processing circuit board.1.1.3 electric weight modulate circuit
The electric weight modulate circuit is mainly finished amplification, conversion, processing to electric signal such as some big voltage, electric current and resistance, electric capacity, diode, short circuits.See Fig. 2 for details.
The electric weight modulate circuit, measure several parts such as treatment circuit, diode signal processing circuit, short-circuit test and warning circuit, the big voltage measurement treatment circuit of alternating current-direct current, ac and dc current measurement treatment circuit by resistance signal metering circuit, capacitance signal and form, see Fig. 2.
Resistance signal metering circuit, function are that the resistance signal that will test is carried out the conversion processing and amplifying, make it to convert to the voltage signal and output to data acquisition board and carry out acquisition process; Capacitance signal metering circuit, function are that want testing capacitor amount signal is carried out conversion, amplification and processing; Diode circuitry for signal measurement, function are that want test diode signal is carried out conversion, amplification and processing; Short-circuit test and warning circuit, function are that short-circuit signal is handled, and produce sound and light warning signal; The big voltage measurement treatment circuit of alternating current-direct current, function are that interchange or the big voltage signal of direct current that needs are tested are carried out conversion process; Ac and dc current is measured treatment circuit, and function is that interchange or dc current signal that needs are tested are carried out conversion process.
More than whole signal processing circuit, be integrated in the electric weight modulate circuit plate.1.1.4 signal acquisition circuit
Signal acquisition circuit is mainly finished the function of signal being carried out analog to digital conversion or digital-to-analog conversion.Signal acquisition circuit partly is made up of multichannel programmed switch, sampling holder, A/D converter, latch, impact damper, watchdog timer signal generator, decoding control device, address decoder etc., sees Fig. 3 for details.Whole hardware circuit is integrated on the data acquisition board.
Deliver to the multichannel programmed switch by the measured signal of front signal processing circuit output and carry out the passage switching, delivering to sampling holder again after programmable amplifier amplifies samples to the signal after amplifying, after sampling, keep this level and deliver to analog/digital converter being transformed to digital signal, again the digital signal after the conversion is delivered to latch, be sent to the computer PC bus through impact damper, so that this digital signal is analyzed by computing machine.The watchdog timer signal generator, comprise crystal oscillator and frequency divider, can produce the pulse of control analog/digital converter work, under this pulse control, sample simultaneously and conversion, the watchdog timer signal generator links to each other with quad latch, and the frequency signal of control watchdog timer signal generator is delivered to quad latch by computer bus through impact damper, then, be sent to the watchdog timer generator again, export desired signal frequency to control it.Second latch that links to each other with internal bus can will be sent to program control multicircuit switch from the control signal of computing machine, and its input signal channel is carried out switching controls.The 3rd latch that links to each other with internal bus can will be sent to programmable amplifier from the control signal of computing machine, respectively its selected amplifying signal multiple is controlled, and its enlargement factor can be set at 1,2,4,8 times.The effect of address decoder is when from address right that computing machine comes, by the address decoder output signal respectively controller buffer and decoding control device make its work, code translator is controlled four latchs respectively after by decoding and is carried out work.1.1.4 computer system
Computer system is mainly by portable industrial computer, and several parts such as additional mouse and touch-screen, keyboard, floppy drive, external CD-ROM driver interface, external printer are formed.
The portable industrial pc main performance:
(1).CPU：Pentium?II333
(2). hard disk: 3.2G
(3). liquid crystal display: 10.4 " the very color display screen of TFT
(4). internal memory: 32M
(5). power supply: 160W
(6). floppy drive: 3.5 "
(7). expansion capacity: 4 grooves
(7) .RS232 serial ports: 2
(8) .PS/2 interface: 1
(10). parallel port: 1
(11). CD-ROM driver interface: 1
(12). external display interface device; 1
(13). touch-screen: resistance-type
(14). environment temperature: 0 ℃-55 ℃
(15). ambient humidity: 0-95%
(16). impact:＜8G
(17). vibration:＜4G (10-100Hz)
＜2.75G(100-200Hz)
＜2G(200-600Hz)
Because this type belongs to Portable Reinforced type industrial computer, so three essential parts of its system: main frame, display, keyboard are not by interconnected three independent sectors of peripheral cable, but when dispatching from the factory, just connect, and encapsulate an integral body by inside cable.
Easy to operate for ease of the user, especially on the naval vessel during enterprising line operate computing machine, mouse-based operation is not very convenient, adds touch panel device in this tester specially.The pipeline that touch-screen provides and computer is directly linked up, avoided the traditional type keyboard and the mouse action of drawing back that make us hoping, this advantage be general slide-mouse and numerical digit plate can't replace.The user only need gesticulating can handle whole testing tool use on computer screen.1.1.5 signaling interface is provided with this universal tester signaling interface and has 8.(1) CH1 interface
This interface is mainly finished following signal input:
A. oscillography and spectrum analysis first passage signal input
B. charge signal such as pressure, vibration input
C. voltage, the input of current mode pressure unit signal
D. turbine meter signal input
E. supercharger speed signal input
F. frequency weak signal input
G. less than 50V voltage signal multimeter test input (2) CH2 interface
This interface is mainly finished following signal input
A. oscillography and spectrum analysis second channel signal input
B. magneto-electric tach signal input
C. thermal resistance signal inserts
D. thermocouple signal inserts
E. the strong signal of frequency is imported (3) CH3 interface
This interface is finished the output of DA first via signal.(4) CH4 interface
This interface is finished the output of DA the second road signal.(5) CH5 interface
This interface is finished following signal input:
A. resistance
B. electric capacity
C. diode
D. short-circuit test (6) CH6 and CH7 interface: this interface is finished the big voltage signal of AC and DC and is inserted.(7) CH8 and CH7 interface: this interface is finished the AC and DC current signal and is inserted.1.2 software section
This software is made of client layer and two layers of hardware driving bottom, and wherein the hardware driving bottom software is write by VC++ and VTOOLSD For Windows98 development kit; User application layer is made of self-defined control and user interface, application program.The control that virtual instrument software platform LabView and LabWindows/CVI provided that self-defined control main reference America NI company provides is rewritten again with C++Building; User interface is mainly used the VisualBasic language compilation; Numerous public functions (VC++ writes) of application program are placed among the self-defined dynamic data link library MyDLL.Certainly, because many data analysis functions are provided, therefore, can directly call as these functions such as signal Processing function, Design of Filter, linear algebra, probability and mathematical statistics, curve fittings.
The utility model can satisfy the naval vessel electromechanical equipment and keep in repair and monitor needs with fault diagnosis efficiently and easily, it is a core with powerful Portable Reinforced type industrial computer, adopt advanced Design of Virtual Instrument technology, constitute a kind of multifunctional signal measuring and analysing meter.This analyser possesses commonly used electric weight, quantity of state and amount of exercise on the naval vessel, and main frame, secondary machine thermodynamic performance detect, oscillography and analysis of spectrum, and data and the waveform that is detected can be carried out access with data layout and document form.Its principal feature is as follows:
1, with computing machine as the unified hardware platform of instrument, melt ten kinds of general and special test equipments in one.
2, make full use of the unique computing of computing machine, storage, playback, call, intelligent functions such as demonstration and file management, simultaneously the specialized function of traditional instrument and panel control software implementation, make it with computer structure altogether and combine together, and can fully enjoy the computer intelligence resource.
3, the complete machine ratio of performance to price is better than the conventional hardware instrument.
4, INTERFACE DESIGN close friend can be simple to operate, easy to carry, and versatility and extendibility are strong.
5, the data of surveying and waveform can carry out access, and provide Office interface, the data of surveying can show in Excel that tabulation handles, and available Word carries out the word processing explanation.
6, adopt the Design of Virtual Instrument technology, its core is " software is instrument ".The increase and decrease of instrumental function can set up on their own and be finished by software according to user's needs, and dirigibility is strong.Design cost also is lower than the traditional instrument of buying multiple function well below the traditional instrument of buying many difference in functionalitys.
7, has stronger compatibility.Only need hardware circuit board and corresponding software are contained in the desk-top computer, this computing machine can be become a universal test instrument.
8, adopt touch-screen, make execute-in-place faster, convenient.
Description of drawings Fig. 1 is the signal processing circuit board block scheme; Fig. 2 is an electric weight modulate circuit plate block scheme; Fig. 3 is a data acquisition circuit plate block scheme; Fig. 4 forms block scheme for software; Fig. 5 is a resistance signal treatment circuit circuit diagram in the electric weight modulate circuit plate; Fig. 6 is a flow signal treatment circuit circuit diagram in the signal processing circuit board; Fig. 7 is the complete machine composition frame chart; Fig. 8 is a data acquisition circuit plate decoding scheme.Among the figure: 1-multichannel programmed switch, 2-programmable amplifier, 3-sampling holder, the 4-analog to digital converter, 5-first latch, 6-impact damper, the 7-computer bus, the 8-computer CPU, 9-address decoder, 10-decoding controller, the 11-quad latch, 12-the 3rd latch, 13-second latch, 14-watchdog timer signal generator.
Embodiment
Be example explanation test process with measurand tach signal treatment circuit in resistance measurement treatment circuit and the signal processing circuit board in the electric weight modulate circuit plate respectively below.It is all on the books in the prior art that disclosed treatment circuit and all the other are not given disclosed treatment circuit among Fig. 5, Fig. 6, and the circuit details are stated slightly, and only just being associated with the utility model partly is illustrated.
Fig. 5 is the circuit of a reference voltage source formula measuring resistance of being made up of operational amplifier and reference voltage source.
Its principle of work is as follows:
As shown in Figure 5
As measured resistance R
xDuring by the lead short circuit, make U
O=0, at this moment
Promptly
Get R
1=R
2=R
3=R
4=R
0The time, formula (21) is also set up, so formula (20) becomes
In modus ponens (22)
The time, formula (22) becomes
U
O＝R
x (23)
From formula (23) as can be seen: with electricity to U
OSend in the tester and just can reach measuring resistance R
xPurpose.
If want to improve the precision of measuring resistance, should note following several problem:
(1) all operational amplifiers among Fig. 5 are all selected high-gain, low drift, low noise operational amplifier for use;
(2) reference voltage source is selected high stability for use; (3) resistance R
1, R
2, R
3, R
4All select the high resistance of stability for use, as RX70 series.Fig. 6 is flow measurement circuit figure.
The input flow rate Q of flow sensor is directly proportional with its output signal frequency f, promptly
F=K
1K in Q (12) formula
1---constant.
From formula (12), know,, just can reach the purpose of measuring flow as long as the output signal frequency f of flow sensor measures accurately.
From circuit diagram shown in Figure 6 as can be known, at first the output signal of flow sensor is sent in the pulse shaping circuit, it is UVD that the A point produces high level voltage
1-UVD
2(UVD
1Be stabilivolt VD
1The voltage stabilizing value; UVD
2Be diode VD
2Conduction voltage drop, general
)。Because when the C point is low level, diode VD
2End, at this moment the A voltage of ordering is that (Ii is operational amplifier N to RIi
2Input bias current, can think Ii ≈ 0), so the low-voltage that produces at the A point is RIi ≈ 0.
Like this B point also obtained high level voltage for (
) V, low level be the square-wave signal of 0V.With this square-wave signal behind overfrequency-electric pressure converter, and through filtering, send in the tester then, just can demonstrate flow.
CPU determines and the port (register) of own exchange message that with regard to needing this just need be by the I/O address decoding scheme translate the port (register) that becomes required visit from the address code on the address bus for the I/O port is carried out read-write operation.
This tester adopts fixed port address decoding, and needs to adopt the multiport address, therefore, uses the I/O port address decoding scheme of interface chip on the 74LS138 design system plate in design.
Adopt the 74LS138 code translator, can design the port address decoding scheme on the PC system board, as shown in Figure 8.Participate in decoding, its A for high 5 of address wire among the figure
5-A
7Through code translator, produce the chip selection signal of DMACS (8237), INTRCS (8259), T/CCS (8253), PPICS (8255A) respectively, and low 5 A of address wire
0-A
4Make the reference address of chip internal register.
In block diagram shown in Figure 3, be connected to the multichannel programmed switch on the gating control end of signal processing circuit board, each treatment circuit of electric weight modulate circuit plate, multichannel programmed switch signal controlling end links to each other with the output terminal of second latch of one of latch; The output terminal of aforementioned reason circuit links to each other with the input end of A/D analog to digital converter through multichannel programmed switch, programmable amplifier, sampling holder, and the output terminal of A/D analog to digital converter links to each other with computer bus through first latch and the impact damper of one of latch; Impact damper links to each other with the data port of second latch, the 3rd latch, quad latch simultaneously; The gating control port of first latch to the quad latch links to each other with the signal output of decoding control device, and the address date mouth of decoding control device links to each other with computer bus; The control port of watchdog timer signal links to each other with the delivery outlet of the quad latch of one of latch, and the delivery outlet of watchdog timer signal links to each other with the clock control port of A/D analog to digital converter; The delivery outlet of the 3rd latch links to each other with the enlargement factor control port of programmable amplifier.
Claims (3)
1, a kind of naval vessel electromechanical equipment universal test analyser, by sensor, signal processing circuit board, electric weight modulate circuit plate, data acquisition board, composition such as computing machine and software, electric weight modulate circuit plate comprises capacitance signal measurement treatment circuit, resistance signal is measured treatment circuit, the diode signal processing circuit, the short-circuit test treatment circuit, the big voltage measurement treatment circuit of alternating current-direct current, ac and dc current is measured treatment circuit, signal processing circuit board comprises a plurality of measurand treatment circuits, it is characterized in that: signal processing circuit board, be connected to the multichannel programmed switch on the gating control end of each treatment circuit of electric weight modulate circuit plate, multichannel programmed switch signal controlling end links to each other with the output terminal of second latch of one of latch; The output terminal of aforementioned reason circuit links to each other with the input end of A/D analog to digital converter through multichannel programmed switch, programmable amplifier, sampling holder, and the output terminal of A/D analog to digital converter links to each other with computer bus through first latch and the impact damper of one of latch; Impact damper links to each other with the data port of second latch, the 3rd latch, quad latch simultaneously; The gating control port of first latch to the quad latch links to each other with the signal output of decoding control device, and the address date mouth of decoding control device links to each other with computer bus; The control port of watchdog timer signal links to each other with the delivery outlet of the quad latch of one of latch, and the delivery outlet of watchdog timer signal links to each other with the clock control port of A/D analog to digital converter; The delivery outlet of the 3rd latch links to each other with the enlargement factor control port of programmable amplifier.
2, as the said naval vessel of claim 1 electromechanical equipment universal test analyser, it is characterized in that: said multichannel programmed switch has four the tunnel, wherein is mounted with oscillography and spectrum analyzer (first passage), voltage signal processing circuit, charge signal treatment circuit, current signal treatment circuit, frequency signal treatment circuit, the high tach signal treatment circuit of supercharger, small voltage signal processing circuit on first programmed switch; Be mounted with oscillography and spectrum analyzer (second channel), tach signal treatment circuit, thermal resistance signal treatment circuit, thermocouple signal treatment circuit, thermistor signal treatment circuit on second programmed switch; Be mounted with software output signal processing circuit, hardware output signal processing circuit on the 3rd programmed switch; Be mounted with capacitance signal on the quadruple pass control switch and measure treatment circuit, resistance signal measurement treatment circuit, diode signal processing circuit, short-circuit test treatment circuit, the big voltage measurement treatment circuit of alternating current-direct current, ac and dc current measurement treatment circuit.
3, as the said naval vessel of claim 1 electromechanical equipment universal test analyser, it is characterized in that: said signal processing circuit board, electric weight modulate circuit plate, data acquisition board are inserted in the reinforcement type industrial computer expansion slot; Two of its signal input interfaces, three of electric weight input interfaces, two of signal output interfaces.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02279492 CN2572346Y (en) | 2002-10-09 | 2002-10-09 | Universal test and analysis instrument for electromechanical equipment of ship and warship |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02279492 CN2572346Y (en) | 2002-10-09 | 2002-10-09 | Universal test and analysis instrument for electromechanical equipment of ship and warship |
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| CN 02279492 Expired - Fee Related CN2572346Y (en) | 2002-10-09 | 2002-10-09 | Universal test and analysis instrument for electromechanical equipment of ship and warship |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN100405416C (en) * | 2006-05-31 | 2008-07-23 | 北京领邦仪器技术有限公司 | Virtual instrument signal regulating device |
| CN101334669B (en) * | 2008-08-05 | 2010-06-23 | 天津大学 | Ship rotation speed control system risks prealarming method |
| CN102075228A (en) * | 2010-12-01 | 2011-05-25 | 北京中交通信科技有限公司 | Maritime satellite-based satellite communication system |
| CN101963625B (en) * | 2009-07-21 | 2012-06-13 | 淮海工学院 | Labview-based test system of automotive wheel speed sensor |
| CN103544862A (en) * | 2012-07-15 | 2014-01-29 | 江苏锡光科教设备有限公司 | Sensing system for realizing biological experiment digitization |
| CN104865075A (en) * | 2014-02-26 | 2015-08-26 | 南京理工大学 | Marine diesel engine vibration signal analysis system and method thereof |
| CN105548717A (en) * | 2015-12-11 | 2016-05-04 | 湖北三江航天万峰科技发展有限公司 | Electrical parameter testing device based on virtual instrument technology |
| CN106871947A (en) * | 2015-12-10 | 2017-06-20 | 中国船舶工业***工程研究院 | A kind of test equipment signalling channel automatic calibrating method |
| CN106872813A (en) * | 2015-12-10 | 2017-06-20 | 中国船舶工业***工程研究院 | A kind of test equipment universal signal method of testing |
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| CN108731739A (en) * | 2018-07-16 | 2018-11-02 | 中船电子科技有限公司 | A kind of comprehensive test analysis system of Ship Equipment |
| CN110927619A (en) * | 2018-09-19 | 2020-03-27 | 西安高压电器研究院有限责任公司 | Short circuit on-off test system of marine electrical appliance |
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- 2002-10-09 CN CN 02279492 patent/CN2572346Y/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN100405416C (en) * | 2006-05-31 | 2008-07-23 | 北京领邦仪器技术有限公司 | Virtual instrument signal regulating device |
| CN101334669B (en) * | 2008-08-05 | 2010-06-23 | 天津大学 | Ship rotation speed control system risks prealarming method |
| CN101963625B (en) * | 2009-07-21 | 2012-06-13 | 淮海工学院 | Labview-based test system of automotive wheel speed sensor |
| CN102075228A (en) * | 2010-12-01 | 2011-05-25 | 北京中交通信科技有限公司 | Maritime satellite-based satellite communication system |
| CN103544862A (en) * | 2012-07-15 | 2014-01-29 | 江苏锡光科教设备有限公司 | Sensing system for realizing biological experiment digitization |
| CN104865075B (en) * | 2014-02-26 | 2020-11-17 | 南京理工大学 | Analysis system and method for marine diesel engine vibration signal |
| CN104865075A (en) * | 2014-02-26 | 2015-08-26 | 南京理工大学 | Marine diesel engine vibration signal analysis system and method thereof |
| CN106871947A (en) * | 2015-12-10 | 2017-06-20 | 中国船舶工业***工程研究院 | A kind of test equipment signalling channel automatic calibrating method |
| CN106872813A (en) * | 2015-12-10 | 2017-06-20 | 中国船舶工业***工程研究院 | A kind of test equipment universal signal method of testing |
| CN105548717A (en) * | 2015-12-11 | 2016-05-04 | 湖北三江航天万峰科技发展有限公司 | Electrical parameter testing device based on virtual instrument technology |
| CN107490712A (en) * | 2017-04-19 | 2017-12-19 | 安徽华脉科技发展有限公司 | A kind of multipurpose low-power consumption detecting system |
| CN108731739A (en) * | 2018-07-16 | 2018-11-02 | 中船电子科技有限公司 | A kind of comprehensive test analysis system of Ship Equipment |
| CN110927619A (en) * | 2018-09-19 | 2020-03-27 | 西安高压电器研究院有限责任公司 | Short circuit on-off test system of marine electrical appliance |
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