CN201111165Y - Locomotive turbocharger malfunction detecting instrument - Google Patents
Locomotive turbocharger malfunction detecting instrument Download PDFInfo
- Publication number
- CN201111165Y CN201111165Y CNU2007201756717U CN200720175671U CN201111165Y CN 201111165 Y CN201111165 Y CN 201111165Y CN U2007201756717 U CNU2007201756717 U CN U2007201756717U CN 200720175671 U CN200720175671 U CN 200720175671U CN 201111165 Y CN201111165 Y CN 201111165Y
- Authority
- CN
- China
- Prior art keywords
- locomotive
- vibration frequency
- supercharger
- connects
- turbocharger
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
The utility model relates to a locomotive turbocharger fault detector, which is composed of an ICP acceleration transducer, an electric vortex flow transducer, an integrator, a signal amplifier, a low pass filter, an envelope demodulator, an anti-alias filter, a multi-way switch, an A/D conversion device, a vibration frequency analysis and a microcomputer processing system. Wherein, the computer software is arranged in the microcomputer for the turbocharger to implement the detection. The detector of the utility model can meet the requirements of running and overhauling development of the locomotive in the new situation, thereby reducing the accidents of the turbocharger and guaranteeing the safe running of the locomotive; and the detector can quantitatively assess the actual state of each locomotive supercharger and provide the effective basis for the repair and maintenance work of the supercharger, the locomotive diesel engine and even the whole locomotive, as well as having tremendous promotion value.
Description
Technical field
The utility model belongs to railway locomotive turbocharger service and detection range, is specifically related to the utility appliance of propulsion system on locomotive and the vehicle, particularly a kind of fault test diagnostic equipment at the locomotive turbosupercharger.
Background technology
Along with train constantly raises speed, the security and the reliability of locomotive operation are had higher requirement.From the use present situation of diesel locomotive, in speed-raising locomotive,, accounted for the diesel engine road breakdown about half because the machine that causes of turbocharger failure is broken.And in a single day turbosupercharger breaks down, and serious underpower phenomenon will appear in locomotive, not only can cause machine broken, and phenomenons such as over-emitting black exhaust, flame can appear, cause a large amount of dense smokes of air-conditioned passenger train compartment inner accumulated, the grievous injury passenger's is healthy, has damaged the image of transportation by railroad.Since the turbo charger speed height, complex structure, and failure cause is many, is difficult to the analysis of failure source.And existing detecting instrument accurately tracing trouble hidden danger and trouble spot are difficult to make the highly effective precautionary measures.
Summary of the invention
The purpose of this utility model is to provide the big breakage of a kind of science, reliable, prevention turbosupercharger, can accurately ascertain locomotive turbocharger failure test diagnosis equipment---the locomotive turbocharger failure detector of failure cause.
The purpose of this utility model is achieved through the following technical solutions.
A kind of locomotive turbocharger failure detector is made up of ICP acceleration transducer, current vortex sensor, integrator, signal amplifier, low-pass filter, envelope demodulator, anti alias filter, multi-way switch, A/D conversion equipment, vibration frequency specturm analysis and microprocessor system; Several ICP acceleration transducers in parallel are electrically connected integrator, the circuit connecting relation that connects down successively is: integrator connects signal amplifier, signal amplifier connects low-pass filter, low-pass filter connects envelope demodulator, envelope demodulator connects anti alias filter, and the foregoing circuit device is connected with the vibration frequency specturm analysis system by A/D converter; Current vortex sensor is connected with the vibration frequency specturm analysis system by Transistor-Transistor Logic level, and the vibration frequency specturm analysis system comprises the microprocessing systems of embedded computer and the relevant software programs of employing.
The utility model is by the long-term observation to the locomotive turbosupercharger, discovery has summed up that most faults that turbosupercharger showed such as rotor unbalance, blade fall piece, carbon deposit, leakage of oil, misalign, blade is swept thorax etc., and the fault reflection in vibration in early days.On the basis of a large amount of experimental datas of accumulation, adopt four vibration extreme value boundaries (be respectively: radially low frequency, radially high frequency, axially low frequency and axial high frequency) and four kinds of characteristic frequency spectrum lines (to be respectively: low frequency axle system imbalance, misalign spectral line, high frequency is loosening and bump the characteristic frequency spectrum line that rubs) this comprehensive and unique method of discrimination makes judgement to locomotive turbosupercharger abnormal conditions, determine turbosupercharger vibration alarming threshold value, the bigger several faults of turbosupercharger harm are provided effective fault judgement parameter or diagnostic mode.Cooperate this pattern, locomotive turbocharger failure detector is provided.The utility model can effectively prevent the big breakage of supercharger, accurately ascertains failure cause, has scientific analysis, accuracy of judgement, series of advantages such as simple to operate, easy to use, the very significant good result of performance in the maintenance process of locomotive turbosupercharger.
Description of drawings
Fig. 1 is a structured flowchart for the structure principle chart of fault locator of the present utility model;
Flow diagram when Fig. 2 is actual use the of the present utility model;
Embodiment
Referring to above-mentioned accompanying drawing, device of the present utility model is made up of ICP acceleration transducer, current vortex sensor, integrator, signal amplifier, low-pass filter, envelope demodulator, anti alias filter, multi-way switch, A/D conversion equipment, vibration frequency specturm analysis and microprocessor system, and wherein ICP acceleration transducer, integrator, signal amplifier, low-pass filter, envelope demodulator are connected with the vibration frequency specturm analysis system by A/D converter; Current vortex sensor is connected with the vibration frequency specturm analysis system by Transistor-Transistor Logic level, and the vibration frequency specturm analysis system is made of embedded computer system and embedding vibration frequency specturm analysis program wherein.
Adapt with device, the utility model also provides for the turbocharger failure detection and has used computer software, and its program mainly includes: 1) read in the sensor measurement data; 2) threshold value of vibration data and setting compares, and assert then that smaller or equal to threshold value the supercharger state is normal, and directly imports data-storage system; Greater than assert that then the supercharger state is undesired, enter next program; 3) the input expert system is judged the supercharger fault; 4) data storage; 5) print result finishes.
Being described in further detail of the utility model each several part is as follows:
The utility model locomotive turbocharger failure detector is made up of the hardware and software two large divisions.Hardware system can be made up of parts such as embedded computer (industrial control computer), touch-screen, collection plate, sensors.Software systems are developed by the Labview language, carry out data management with Access, and spectrum analyzer system adopts the Labview language compilation, has powerful field data analysis function.The utility model design is innovative; Yet from general plotting, detector structurally makes up various existing advanced technologies and manufactures and designs out, so this part can be regarded as a kind of combination utility model.
Locomotive turbocharger failure detector system organically combines multinomial known advanced technology such as vibration survey, data acquisition and control, vibration frequency specturm analysis, database (comprising expert system) and external unit and parts and makes, and it possesses functions such as vibrating data collection, discriminatory analysis, coasting time measurement, data management.Below just respectively above-mentioned every technology is disclosed, emphasis is Data Acquisition and Conversion System (DACS) and vibration frequency specturm analysis system.
(1) Data Acquisition and Conversion System (DACS)
Data acquisition system (DAS) is made of portion's bodies such as sensor, Constant Electric Current potential source, charge amplifier, vector filters in regular turn and is connected with the vibration frequency specturm analysis system by A/D converter.
When sensor is selected with the ICP acceleration transducer, do not add integration and be acceleration signal, an integration is a rate signal.
The 100Hz of analysis frequency scope is to 50KHZ, and frequency spectrum spectral line number is 100-3200, and the corresponding sampling points number should be: sampling number=2.56x spectral line number.
Amplifier is divided into automatic amplification and two kinds of selections of fixing amplification, when the signal amplitude of being surveyed is stablized, should adopt automatically and amplify, and when the measured signal amplitude was unstable, should adopting fixedly, multiple amplified.
(2) vibration frequency specturm analysis system
The vibration frequency specturm analysis system is made up of hardware and software two parts.
Hardware components comprises as shown in Figure 4: the embedded host system, can adopt and grind auspicious serial industry control and grind auspicious embedded host plate with motherboard such as CHAZ 1 541.Integrated low-power consumption AV1300MHzCPU, a 144PINSDRM slot are arranged on the plate, the 128MSDRM internal memory is installed.System on Chip/SoC adopts VT8606 serial system chip.BIOS adopts Award ACPI BIOS, SSD: integrated Compact Flash socket is supported the CF/SM card on the plate.LAN: adopt the Intel82559 network chip, support 10 8 00M Ethernets.10 interfaces: provide a parallel port (LPT), two serial ports (RS 1), two USB mouths, a keyboard and mouse interface (KB/PS).Display system adopts the 53Savage display chip, supports regular display (CRT) and LCD (LCD) to show output.
Software section can be installed WinXPe operating system (it is comparatively convenient to use at present), also can select other operating system for use.Analysis software is divided into host computer and slave computer two parts.Slave computer is installed in the portable embedded detector, is mainly used in on-the-spot test and simple analysis; Host computer is installed in notebook computer or the desktop computer, is used for test data is carried out the analysis of extensive, observes and printout.
When turbosupercharger being carried out testing and diagnosing (as shown in Figure 2), can be undertaken by following step with engine supercharger fault locator of the present utility model:
(1) starts instrument, acquired signal
Start instrument host, double-click 5600 icons, touch-screen will show the main interface (see figure 6) of testing tool this moment.Main interface display six functions module: equipment control, supercharger diagnosis, vibrating data collection, vibration data playback, coasting time measure and the coasting time playback.The tester can click button on the forms switches between each functional module or logs off.
Click the equipment control key, access arrangement bookkeeping interface (see figure 7) is in supercharger data management hurdle reader license number, vehicle, supercharger model, supercharger numbering and detect the date.
Before and after four sensor connecting line detection contact (self have 8 kilogram magnet, can be adsorbed on the supercharger volute) are adsorbed on simultaneously on the supercharger, two contacts of each supercharger, level with axially each one.
Withdraw from equipment control, click vibrating data collection, enter the vibrating data collection interface.
Diesel engine rises to 1000 rev/mins, loads certainly 3 minutes, gathers vibration signal.
Withdraw from vibrating data collection, click the coasting time and measure key, enter the coasting time to measure the interface.
Press the diesel engine stop button, click tester simultaneously and begin to gather key, gather the coasting time.
(2) tracing trouble, data readback
Withdraw from data acquisition, enter main interface, click supercharger diagnosis key and enter supercharger self diagnosis interface, watch time domain waveform, the spectrum waveform analysis of supercharger duty, image data, click the diagnosis key and check diagnosis.
Withdraw from the supercharger diagnosis, click the coasting time playback, watch the supercharger coasting time, judge the bearing lubrication situation.
Withdraw from the coasting time playback, click the vibration data playback, watch the vibration signal of collection.Data readback provides four kinds of inquiry modes: by device name, by device numbering, press the measuring point title, the inquiry full detail.Select querying condition, input inquiry content more earlier.Click " inquiry " button, the data that search just can be listed in information list.
(3) data conversion storage is printed warehouse-in.
Open the microcomputer ground analysis system, input organization and password.
Microcomputer will demonstrate the main interface of testing tool this moment.Main interface manifests nine big functional modules: equipment control, supercharger information management, coasting time playback, vibration data playback, supercharger diagnosis, diagnosis management, data maintenance, applying unit setting and other 56 setting.The tester can click button on the forms switches between each functional module or logs off.
Enter data importing by the data maintenance key, with data dump to ground analysis system.
Withdraw from data maintenance, enter main interface, enter supercharger status bar interface, image data is carried out accurate diagnosis, determine failure cause, position by supercharger diagnosis key.
Click the diagnostic result printing key, printable diagnostic result.
Click diagnostic result warehouse-in key, diagnostic result is saved to database.
(4) log off, close instrument
After detection finishes, can log off, close instrument.Can clear up the various sensors of being installed this moment, in order to using next time.
Locomotive turbocharger failure detector provided by the utility model is very effective in actual use.In Jinan locomotive depot of Jinan Railway Bureau, owing to used technology of the present utility model, can diagnose the turbosupercharger hidden danger of quality, the locomotive on-line running of the defective turbosupercharger of basic controlling, reduce the turbocharger failure rate greatly, huge social benefit and economic benefit have been brought into play in the generation of minimizing accident.
Claims (1)
1. locomotive turbocharger failure detector, it is characterized in that: this device is made up of ICP acceleration transducer, current vortex sensor, integrator, signal amplifier, low-pass filter, envelope demodulator, anti alias filter, multi-way switch, A/D conversion equipment, vibration frequency specturm analysis and microprocessor system; Several ICP acceleration transducers in parallel are electrically connected integrator, the circuit connecting relation that connects down successively is: integrator connects signal amplifier, signal amplifier connects low-pass filter, low-pass filter connects envelope demodulator, envelope demodulator connects anti alias filter, and the foregoing circuit device is connected with the vibration frequency specturm analysis system by A/D converter; Current vortex sensor is connected with the vibration frequency specturm analysis system by Transistor-Transistor Logic level, and the vibration frequency specturm analysis system comprises the microprocessing systems of embedded computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201756717U CN201111165Y (en) | 2007-09-25 | 2007-09-25 | Locomotive turbocharger malfunction detecting instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201756717U CN201111165Y (en) | 2007-09-25 | 2007-09-25 | Locomotive turbocharger malfunction detecting instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201111165Y true CN201111165Y (en) | 2008-09-03 |
Family
ID=39895703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201756717U Expired - Fee Related CN201111165Y (en) | 2007-09-25 | 2007-09-25 | Locomotive turbocharger malfunction detecting instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201111165Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103328988A (en) * | 2011-01-04 | 2013-09-25 | 通用电气公司 | System and method for diagnosing a turbocharger of an internal combustion engine |
| CN104198281A (en) * | 2014-08-13 | 2014-12-10 | 中国石油天然气集团公司 | Data acquisition system of wide plate tension test machine |
| CN105182537A (en) * | 2015-09-28 | 2015-12-23 | 大连楼兰科技股份有限公司 | Method of recognizing liquid leakage during maintenance process by intelligent glasses |
| CN107087110A (en) * | 2017-05-24 | 2017-08-22 | 长沙金定信息技术有限公司 | A kind of efficient image processing system |
| CN109916505A (en) * | 2019-04-11 | 2019-06-21 | 重庆大学 | A kind of turbocharger extraordinary noise test device and method |
-
2007
- 2007-09-25 CN CNU2007201756717U patent/CN201111165Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103328988A (en) * | 2011-01-04 | 2013-09-25 | 通用电气公司 | System and method for diagnosing a turbocharger of an internal combustion engine |
| CN104198281A (en) * | 2014-08-13 | 2014-12-10 | 中国石油天然气集团公司 | Data acquisition system of wide plate tension test machine |
| CN105182537A (en) * | 2015-09-28 | 2015-12-23 | 大连楼兰科技股份有限公司 | Method of recognizing liquid leakage during maintenance process by intelligent glasses |
| CN105182537B (en) * | 2015-09-28 | 2017-10-27 | 大连楼兰科技股份有限公司 | Leakage recognition methods during intelligent glasses maintenance |
| CN107087110A (en) * | 2017-05-24 | 2017-08-22 | 长沙金定信息技术有限公司 | A kind of efficient image processing system |
| CN109916505A (en) * | 2019-04-11 | 2019-06-21 | 重庆大学 | A kind of turbocharger extraordinary noise test device and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201111165Y (en) | Locomotive turbocharger malfunction detecting instrument | |
| CN1758042A (en) | Engine bearing failure testing and diagnosing method and failure detecting instrument | |
| CN102707232B (en) | Motor apparatus state on_line monitoring device and monitoring method thereof | |
| CN102494899A (en) | Composite fault diagnosis method for diesel engine and diagnosis system | |
| CN106442888B (en) | Automobile environment-protection exhaust pollution analyte detection chassis dynamometer integrated correction system | |
| CN203083829U (en) | Automobile fault diagnosis system based on tail gas discharge detection adopting simple driving mode | |
| CN102564487B (en) | Automobile sensor detection equipment and method for detecting performance of sensor by utilizing same | |
| CN103091112A (en) | Method and device of car emission fault detection and diagnosis based on fuzzy reasoning and self-learning | |
| CN201311669Y (en) | Oil consumption real-time monitoring instrument | |
| CN205607636U (en) | Gear box fault detection device based on vibration signal analysis | |
| CN203534846U (en) | Motor multiparameter real-time data acquisition system | |
| CN202453201U (en) | Vehicle emission detecting system by steady-state condition method | |
| CN202661269U (en) | Compound fault diagnosis test platform of diesel engine | |
| CN109763882B (en) | Urea tank diagnostic system | |
| CN205981712U (en) | Automotive performance inspection device | |
| CN101539559B (en) | Portable automobile exhaust analyzer based on state IV standards and analytical method thereof | |
| CN103344434A (en) | LabVIEW-based automotive engine parameter detection system | |
| CN2814375Y (en) | Engine bearing fault detecting instrument | |
| CN201993234U (en) | Diesel engine state detecting device based on energy consumption | |
| CN106403880B (en) | Method and device for detecting clearance between compressor rotor and stator | |
| CN2715140Y (en) | Smoke detector for medium-size diesel vehicle under loaded and speed-down operating mode | |
| CN209606462U (en) | A kind of speed probe intelligent detection equipment applied to rail traffic | |
| CN2667501Y (en) | Electromagnetic interference diagnosing system | |
| CN202177822U (en) | Automobile ECU (Electric Control Unit) testing device based on ARM (Advanced RISC Machines) SCM (single-chip microcomputer) | |
| CN110361506A (en) | A kind of motor-vehicle tail-gas intelligent diagnostics and administer solution system and its application |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 100076 No. 19-1, South Dahongmen Road, Beijing, Fengtai District Patentee after: BEIJING JINGHANG CORPORATION Address before: 100076, Beijing, Zhongguancun Tongzhou District science and Technology Park, Tongzhou Jinqiao Industrial base, King Sheng street, No. 10 Patentee before: BEIJING JINGHANG CORPORATION |
|
| DD01 | Delivery of document by public notice |
Addressee: BEIJING JINGHANG CORPORATION Document name: Notification of Termination of Patent Right |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080903 Termination date: 20150925 |
|
| EXPY | Termination of patent right or utility model |