CN202442784U - Locomotive cooling tower vibration testing system - Google Patents
Locomotive cooling tower vibration testing system Download PDFInfo
- Publication number
- CN202442784U CN202442784U CN2012200198080U CN201220019808U CN202442784U CN 202442784 U CN202442784 U CN 202442784U CN 2012200198080 U CN2012200198080 U CN 2012200198080U CN 201220019808 U CN201220019808 U CN 201220019808U CN 202442784 U CN202442784 U CN 202442784U
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- cooling tower
- computer module
- industrial computer
- power supply
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Abstract
The utility model relates to a locomotive cooling tower vibration testing system, including a testing platform and a power supply cabinet. The testing platform comprises an industrial control computer module, a lower computer module and a data acquiring and processing module; the power supply cabinet comprises a three-phase stabilized power supply and a frequency conversion and master control module; and an object to be tested is a cooling tower blower fan. When the locomotive cooling tower vibration testing system works, a piezoelectric sensor acquires the acceleration vibration signal of the cooling tower blower fan in real time, the data enters a data collection card after data processing, the data is displayed on the industrial control computer in a visual digital and waveform form, and an alarm is provided, when the vibration signals of acceleration, speed and displacement exceed the set threshold, an alarm is automatically provided by the system, and the rotation speed of the cooling tower blower fan can be adjusted by changing frequency set through the industrial control computer, thereby blower fans of different models can be adapted. According to the system, the vibration signals of acceleration, speed and displacement can be effectively detected, thereby the vibration case of the cooling tower can be reflected, the accuracy of vibration testing can be improved, and the production security and reliability are raised.
Description
Technical field
The utility model relates to a kind of locomotive cooling tower vibration test system, and it is a kind of cooling tower vibration signals collecting and test macro.
Background technology
Mostly domestic technical scheme to vibration signals and test is to adopt the hand-held vibration testing instrument to measure at present.Its main deficiency is because the hand-held vibration measurement instrument has very big randomness when measuring, and it is unified that test point is difficult to keep, and direction is difficult to keep vertical with tested surface; Precision and reliability are lower.
Summary of the invention
The purpose of the utility model is to overcome the weakness of hand-held vibration measurement instrument; A kind of measuring accuracy height, good reliability, vibration signals such as sense acceleration, speed and displacement effectively are provided, have accurately reflected the locomotive cooling tower vibration test system of cooling tower vibration situation.
The technical scheme of the utility model is: locomotive cooling tower vibration test system; Comprise test board, power cabinet, it is characterized in that described test board comprises industrial computer module, the piezoelectric transducer that is used to gather the blower fan of cooling tower signal, signal condition machine module, data collecting card, slave computer module and the pilot lamp that shows with digital form directly perceived and wave form;
Described power cabinet comprises electric power main circuit, frequency converter module and three-phase voltage-stabilizing power supply module,
Described frequency converter module one end is connected with the industrial computer module, and the other end is connected with the three-phase voltage-stabilizing power supply module, and this three-phase voltage-stabilizing power supply module output terminal is connected with the industrial computer module;
The described piezoelectric transducer output terminal that is used to gather the blower fan of cooling tower signal is connected with signal condition machine module; Signal condition machine module output terminal and data acquisition card connection; The data collecting card output terminal is connected with the industrial computer module, and this industrial computer module output terminal is connected with the slave computer module
Described slave computer module one end is connected with the industrial computer module, and the other end is connected with pilot lamp, and this slave computer module and industrial computer module are carried out both-way communication, and described slave computer module is the PLC module.
Described piezoelectric transducer is gathered the acceleration vibration signal of blower fan of cooling tower in real time; Handle the back through signal condition machine module data and get into data collecting card to industrial computer module, and in the industrial computer module so that digital form and wave form show and warning intuitively;
Running frequency and the voltage when frequency of operation is moved that described three-phase voltage-stabilizing power supply module and frequency converter module make the industrial computer module change blower fan of cooling tower are stablized.
Be provided with the uninterrupted uninterrupted power supply (ups) Unity of giving the industrial computer module for power supply at industrial computer module place; Be that system adopts three-phase voltage-stabilizing power supply; Through the running frequency of frequency shift blower fan of cooling tower is set in the industrial computer module; UPS uninterruptedly gives the industrial computer module for power supply simultaneously, makes not power down operations of system.
Adopt piezoelectric transducer, can gather the acceleration signal of cooling tower in real time, and be converted into voltage signal, precision is high.
The enlargement factor that described signal condition machine module is handled the voltage signal that collects is set at 10.By the sensitivity of sensor and the enlargement factor of signal, accurately calculate speed, displacement, the value of acceleration.
Described data collecting card is that 32 bit ports carry out the PCI2002 that numeral transforms to the analog voltage signal of gathering.Quantified precision is high.
In a word, the utility model comprises the industrial computer module, slave computer module, data acquisition and processing module; Power cabinet comprises the three-phase voltage-stabilizing power supply module, frequency conversion and main control module; Object to be tested is a blower fan of cooling tower.During work; Piezoelectric transducer is gathered the acceleration vibration signal of blower fan of cooling tower in real time; Through getting into data collecting card after the data processing, send into software testing system after handling through data collecting card, and show and warning with wave form with numeral intuitively in the industrial computer module; When these vibration signals of acceleration, speed and displacement surpassed preset threshold, pilot lamp demonstrated the current running status of blower fan of cooling tower on the hardware testing platform simultaneously; System is with automatic alarm; Through changing the rotating speed that frequency configuration can be adjusted blower fan of cooling tower, to adapt to different blower fan models in the industrial computer module.Native system is these vibration signals of sense acceleration, speed and displacement effectively, thereby accurately reflect the vibration situation of cooling tower, improve the accuracy of vibration-testing, have improved the security and the reliability of producing, and have very wide application prospect.
Description of drawings
Fig. 1 is the hardware blocks structural representation of the utility model;
Fig. 2 is a software test industrial computer display interface synoptic diagram;
Among the figure: 1-industrial computer module, 2-sensor, 3-signal condition machine module, 4-, data collecting card, 5-slave computer module, 6-frequency converter module, 7-three-phase voltage-stabilizing power supply module, 8-blower fan of cooling tower, 9-uninterrupted power source UPS, 10-pilot lamp.
Embodiment
Referring to Fig. 1 and Fig. 2; Locomotive cooling tower vibration test system; Comprise test board, power cabinet, it is characterized in that described test board comprises industrial computer module 1, the piezoelectric transducer 2 that is used to gather blower fan of cooling tower 8 signals, signal condition machine module 3, data collecting card 4, slave computer module 5 and the pilot lamp 10 that shows with digital form directly perceived and wave form;
Described power cabinet comprises electric power main circuit, frequency converter module 6 and three-phase voltage-stabilizing power supply module 7,
Described frequency converter module 6 one ends are connected with industrial computer module 1, and the other end is connected with three-phase voltage-stabilizing power supply module 7, and these three-phase voltage-stabilizing power supply module 7 output terminals are connected with industrial computer module 1;
Described piezoelectric transducer 2 output terminals that are used to gather blower fan of cooling tower 8 signals are connected with signal condition machine module 3; Signal condition machine module 3 output terminals are connected with data collecting card 4; Data collecting card 4 output terminals are connected with industrial computer module 1; This industrial computer module 1 output terminal is connected with slave computer module 5
Described slave computer module 5 one ends are connected with industrial computer module 1, and the other end is connected with pilot lamp 10, and this slave computer module 5 is carried out both-way communication with industrial computer module 1, and described slave computer module 5 is the PLC module.
Described piezoelectric transducer 2 is gathered the acceleration vibration signals of blower fan of cooling tower 8 in real time, through get into data collecting card 4 to industrial computer module 1 after signal condition machine module 3 data processing and in industrial computer module 1 so that digital form and wave form show and warning intuitively;
Described three-phase voltage-stabilizing power supply module 7 is stablized with running frequency and the voltage when frequency of operation is moved that frequency converter module 6 makes industrial computer module 1 change blower fan of cooling tower.
Be provided with uninterrupted power source 9 (UPS) at industrial computer module 1 place; System adopts three-phase voltage-stabilizing power supply, and through the running frequency of frequency shift blower fan of cooling tower is set in industrial computer module 1, UPS uninterruptedly to the industrial computer power supply, makes not power down operations of system simultaneously.
The enlargement factor that described signal condition machine module 3 is handled the voltage signal that collects is set at 10.
Described data collecting card 4 is that 32 bit ports carry out the PCI2002 that numeral transforms to the analog voltage signal of gathering.
Sensor 2 is gathered the signal of blower fan of cooling tower 8, amplifies and after data collecting card 4 handles, sends into industrial computer module 1 through signal condition machine module 3, and industrial computer module 1 deal with data also calculates speed, acceleration and the displacement of fan vibration.Pilot lamp 10 shows the current running status of test board.It is stable that three-phase voltage-stabilizing power supply module 7 is used for the voltage of assurance system when frequency of operation is moved.Frequency converter module 6 is regulated rotation speed of fan, and blower fan is turned round at different frequency.
The software test industrial computer display interface (see figure 2) of cooling tower test macro; After system lands; Blower fan of cooling tower 8 operational factors are set, and hit testing begins, after blower fan of cooling tower 8 runs well; The left side of the viewing area, center at software testing system interface will show the digital quantity of each passage vibration signal, and the right side is that the waveform of each passage shows.The interface will show Current Temperatures in real time simultaneously, humidity, and voltage, electric current, power, software testing system can show blower fan of cooling tower 8 vibration velocities simultaneously, acceleration, whether displacement transfinites.Whether can comprehensively judge blower fan of cooling tower according to the display result of system interface qualified.
Claims (4)
1. a locomotive cooling tower vibration test system comprises test board, power cabinet, it is characterized in that:
Described test board comprises industrial computer module (1), the piezoelectric transducer (2) that is used to gather blower fan of cooling tower (8) signal, signal condition machine module (3), data collecting card (4), slave computer module (5) and the pilot lamp (10) that shows with digital form directly perceived and wave form;
Described power cabinet comprises electric power main circuit, frequency converter module (6) and three-phase voltage-stabilizing power supply module (7),
Described frequency converter module (6) one ends are connected with industrial computer module (1), and the other end is connected with three-phase voltage-stabilizing power supply module (7), and this three-phase voltage-stabilizing power supply module (7) output terminal is connected with industrial computer module (1);
Described piezoelectric transducer (2) output terminal that is used to gather blower fan of cooling tower (8) signal is connected with signal condition machine module (3); Signal condition machine module (3) output terminal is connected with data collecting card (4); Data collecting card (4) output terminal is connected with industrial computer module (1); This industrial computer module (1) output terminal is connected with slave computer module (5)
Described slave computer module (5) one ends are connected with industrial computer module (1), and the other end is connected with pilot lamp (10), and this slave computer module (5) is carried out both-way communication with industrial computer module (1), and described slave computer module (5) is the PLC module.
2. locomotive cooling tower vibration test system as claimed in claim 1 is characterized in that described industrial computer module (1) locates to be provided with the uninterrupted uninterrupted power source (9) of giving industrial computer module (1) power supply.
3. locomotive cooling tower vibration test system as claimed in claim 1 is characterized in that the enlargement factor that described signal condition machine module (3) is handled the voltage signal that collects is set at 10.
4. locomotive cooling tower vibration test system as claimed in claim 1 is characterized in that described data collecting card (4) is that 32 bit ports carry out the PCI2002 that numeral transforms to the analog voltage signal of gathering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200198080U CN202442784U (en) | 2012-01-17 | 2012-01-17 | Locomotive cooling tower vibration testing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200198080U CN202442784U (en) | 2012-01-17 | 2012-01-17 | Locomotive cooling tower vibration testing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202442784U true CN202442784U (en) | 2012-09-19 |
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ID=46824228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200198080U Withdrawn - After Issue CN202442784U (en) | 2012-01-17 | 2012-01-17 | Locomotive cooling tower vibration testing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202442784U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102564566A (en) * | 2012-01-17 | 2012-07-11 | 株洲联诚集团有限责任公司 | Vibration test system of locomotive cooling tower |
-
2012
- 2012-01-17 CN CN2012200198080U patent/CN202442784U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102564566A (en) * | 2012-01-17 | 2012-07-11 | 株洲联诚集团有限责任公司 | Vibration test system of locomotive cooling tower |
| CN102564566B (en) * | 2012-01-17 | 2013-06-19 | 株洲联诚集团有限责任公司 | Vibration test system of locomotive cooling tower |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120919 Effective date of abandoning: 20130619 |
|
| RGAV | Abandon patent right to avoid regrant |