CN202479466U - Laser detection device for vibration of continuous casting mould - Google Patents
Laser detection device for vibration of continuous casting mould Download PDFInfo
- Publication number
- CN202479466U CN202479466U CN2012200778090U CN201220077809U CN202479466U CN 202479466 U CN202479466 U CN 202479466U CN 2012200778090 U CN2012200778090 U CN 2012200778090U CN 201220077809 U CN201220077809 U CN 201220077809U CN 202479466 U CN202479466 U CN 202479466U
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- displacement sensor
- laser displacement
- laser
- signal
- system controller
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Abstract
The utility model relates to the automatic detection of the metallurgical industry, and aims at providing a laser detection device for the vibration of a continuous casting mould. The device comprises a laser displacement sensor, and a horizontal/vertical reference module on a casting mould platform arranged correspondingly to the laser displacement sensor, wherein the laser displacement sensor is orderly connected with a lower computer signal processor and an upper computer system controller through a signal wire. According to the utility model, the phenomena that assembling and dismantling are complicated and easily affected by the environment in a contact measurement method are avoided; assembling and dismantling are simple and convenient; the measurement precision is easily ensured; different measurement reference surfaces can be freely and rapidly selected; the transportability of data transmission is enhanced by serial port-USB (universal serial bus) conversion, and the laser detection device has a good man-machine interface and is easy to be mastered and operated by operating personnel.
Description
Technical field
The utility model relates to metallurgical industry automation detection range, in particular, relates to a kind of laser detector of measuring mold oscillation towards the continuous casting of molten steel production equipment.
Background technology
Crystallizer is the key equipment of conticaster, is used for the strand moulding that continuous casting of iron and steel is produced.During continuous casting of iron and steel was produced, the vibration of crystallizer can make strand be able to forced stripper mechanism, helped the lubricated of strand, eliminated bonding, thereby improved slab surface quality.Can the whether appropriate continuous casting billet that is related to ordinary production and the quality of surface quality of continuously cast slab but the mold oscillation parameter is selected.In order to obtain the actual vibration parameter, commonly used at present is traditional artificial code table detection method of contact.Though the artificial code table detection method of contact can realize that to crystallizer state-detection to a certain degree owing to adopt contact to detect, the contact probe head that is adopted is easy to wearing and tearing; Service life is short, and influences workman's operation in high temperature, moist working site, and efficient is lower; Labour costs is higher, and the device hardware integrated level is low in addition, uses very inconvenient; Existence is than mistake, and is little to the directive significance of actual STEELMAKING PRODUCTION.Therefore develop a kind of contactless, high efficiency, cost is low, integrated level is high, the portable continuous cast mold vibration detection equipment of long service life, convenient and reliable operation seems very necessary.
The utility model content
The technical problem that the utility model will solve is that overcoming must be not enough in the prior art, the laser detector that provides a kind of contactless continuous cast mold to vibrate.
In order to solve the problems of the technologies described above, the utility model is realized through following technical scheme.
The utility model provides a kind of laser detector of continuous cast mold vibration, comprises laser displacement sensor; Also comprise: the base modules of the corresponding level on the crystallizer platform of being positioned at that is provided with laser displacement sensor/vertically, laser displacement sensor connects slave computer signal processor and master system controller successively through holding wire.
As improvement, the air-bubble level that said laser displacement sensor bottom is provided with universal bearing and is used has with it guaranteed accuracy and rapidity that laser displacement sensor is measured.
As improvement, be provided with serial ports-USB converter between said slave computer signal processor and the master system controller, and realize connecting through holding wire.
As improvement, said master system controller is connected to touch display screen.
Utilization the utility model Device Testing method may further comprise the steps:
(1) level/vertical base modules is set on the crystallizer platform; The laser that laser displacement sensor sends is through level/vertically the level or the vertical surface of reference block reflex on the receiving surface of laser displacement sensor, obtain the light spot position signal that changes with mold oscillation;
(2) laser displacement sensor passes to the slave computer signal processor with its light spot position signal that receives, and converts the shift length signal to by the slave computer signal processor; The slave computer signal processor converts optical signal to the signal of telecommunication simultaneously, and carries out filtering, conditioning and Signal Pretreatment, will obtain stable signal then and be sent to the master system controller;
(3) the master system controller carries out analytical calculation to the received signal and handles, and acquisition speed and acceleration information to be being used to analyze the polarization situation of mold oscillation, and analysis result is shown on the display screen in real time.
The utility model compared with prior art, beneficial effect is:
(1) avoid installing and removing complicacy in the contact measurement method and being prone to phenomenon affected by environment, the non-contact measurement mounting or dismounting are simple and convenient, and certainty of measurement guarantees easily.The accuracy of detection of the utility model is high, and the displacement detecting precision is superior to ± 0.01mm, and shaking frequently, accuracy of detection is superior to ± 1cpm (0.02Hz).
(2) laser displacement sensor can freely be selected different measuring basis surfaces fast, and each measuring basis surface can detect displacement, speed, acceleration, amplitude, frequency and the vibrational waveform deviation proportion of this direction crystallizer simultaneously.
(3) through the conversion of serial ports-USB, and the USB2.0 interface directly supplies power, and strengthened the portability of transfer of data.
(4) have good man-machine interface, through adjustment and the different demands that parameter realization different user is set, the easy operating personnel grasp operation.
Description of drawings
Fig. 1 is the system architecture sketch map;
Fig. 2 is system realization scheme figure;
Fig. 3 is vibration signal waveforms figure;
Fig. 4 is the hardware system module structure drafting;
Fig. 5 is master system control software flow pattern.
Reference numeral: laser head 1, crystallizer platform 2, level/vertical base modules 3, receiving surface 4, laser displacement sensor 5, slave computer signal processor 6, serial ports-USB converter 7, supervisory controller 8.
The specific embodiment
Below in conjunction with accompanying drawing and specific embodiment the utility model is done further detailed description.
The laser detector of continuous cast mold in the utility model vibration comprises laser displacement sensor 5, and corresponding with laser displacement sensor 5 be provided be positioned at the level/vertical base modules 3 on the crystallizer platform 2; Laser displacement sensor 5 connects slave computer signal processor 6, serial ports-USB converter 7 and master system controller 8 successively through holding wire.The air-bubble level that laser displacement sensor 5 bottoms are provided with universal bearing and are used with it, master system controller 8 is connected to touch display screen.
A plurality of levels/vertical base modules 3 can be set on the crystallizer platform 2; Laser displacement sensor 5 can freely be selected different measuring basis surfaces fast, and each measuring basis surface can detect displacement, speed, acceleration, amplitude, frequency and the vibrational waveform deviation proportion of this direction crystallizer simultaneously.
Serial ports-USB converter 7 converts the serial communication signal that slave computer signal processor 6 gets to the usb communication signal, conveniently directly is used for being connected with the mutual of master system controller 8.
During measurement, detailed process comprises:
(1) level/vertical base modules 3 is set on crystallizer platform 2; The laser that laser displacement sensor 5 sends is through level/vertically the level or the vertical surface of reference block 3 reflex on the receiving surface 4 of laser displacement sensor 5, obtain the light spot position signal that changes with mold oscillation;
(2) laser displacement sensor 5 passes to slave computer signal processor 6 with its light spot position signal that receives, and converts the shift length signal to by slave computer signal processor 6; Slave computer signal processor 6 converts optical signal to the signal of telecommunication simultaneously, and carries out filtering, conditioning and Signal Pretreatment, will obtain stable signal then and be sent to master system controller 8;
(3) master system controller 8 carries out analytical calculation to the received signal and handles, and acquisition speed and acceleration information to be being used to analyze the polarization situation of mold oscillation, and analysis result is shown on the display screen in real time.
Described master system controller 8 main initialization, the acceptance of being responsible for system are uploaded information and are carried out the analytical calculation processing and show the vibration signal that records in real time.Built-in signal analysis and processing module in the master system controller 8; Handle to be mainly by the described signal of its completing steps (3) the vibration displacement signal is carried out the A/D conversion; Signal after the conversion is carried out differential algorithm, empirical modal algorithm, FFT and low pass high-pass filtering to be handled; Thereby realize analyzing rate signal, the acceleration signal of crystallizer, analyze the polarization situation of mold oscillation simultaneously.
The specific embodiment of the utility model:
When the crystallizer scene is detected; At first with level/vertically base modules 3 is installed on the crystallizer platform 2; And it is adjusted to suitable position; With the level of the reference block 3 of the laser head 1 aligning level of laser displacement sensor 5/vertically or vertical surface, the reference block level of the laser head 1 that the adjusting through universal bearing makes laser displacement sensor 5 and level/vertically or vertically the distance on surface be in the range measurement category.The analog signal of laser displacement sensor 5 outputs is nursed one's health the suitable collection voltage signal of output through modulate circuit after handling through the signal filtering of slave computer signal processor 7 again.This voltage signal obtains data signal through the A/D switching controller, carries out Signal Pretreatment through slave computer signal processor 7 again, and collaborative other control informations of pretreated signal are transferred to serial ports-USB converter 7 through serial ports.The data that obtain are transferred to master system controller 8 according to set communication protocols, and are as shown in Figure 5.And with the transmission useful information be stored in the shared drive buffering area; Built-in signal analysis and processing module reads the data of buffering area in the master system controller 8; These data are the displacement data of mold oscillation waveform, this displacement data is carried out differential handle, and filtering interference signals obtains the rate signal of mold oscillation waveform again; This speed data is carried out differential handle, filtering interference signals obtains the acceleration signal of mold oscillation waveform again.The method of also having taked empirical modal to decompose to the rejecting of interfering signal has therebetween effectively been rejected interfering signal.Displacement, speed, acceleration information with the mold oscillation that obtains offers image display module display in touch display screen with other relevant informations again, satisfies requirement of client.
At last, it is also to be noted that what more than enumerate only is a specific embodiment of the utility model.Obviously, the utility model is not limited to above embodiment, and many distortion can also be arranged.All distortion that those of ordinary skill in the art can directly derive or associate from the disclosed content of the utility model all should be thought the protection domain of the utility model.
Claims (4)
1. the laser detector of continuous cast mold vibration; Comprise laser displacement sensor; It is characterized in that; Also comprise: the base modules of the corresponding level on the crystallizer platform of being positioned at that is provided with laser displacement sensor/vertically, laser displacement sensor connects slave computer signal processor and master system controller successively through holding wire.
2. device according to claim 1 is characterized in that, the air-bubble level that said laser displacement sensor bottom is provided with universal bearing and is used with it.
3. device according to claim 1 is characterized in that, is provided with serial ports-USB converter between said slave computer signal processor and the master system controller, and realizes connecting through holding wire.
4. device according to claim 1 is characterized in that, said master system controller is connected to touch display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200778090U CN202479466U (en) | 2012-03-04 | 2012-03-04 | Laser detection device for vibration of continuous casting mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200778090U CN202479466U (en) | 2012-03-04 | 2012-03-04 | Laser detection device for vibration of continuous casting mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202479466U true CN202479466U (en) | 2012-10-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200778090U Expired - Lifetime CN202479466U (en) | 2012-03-04 | 2012-03-04 | Laser detection device for vibration of continuous casting mould |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102527968A (en) * | 2012-03-04 | 2012-07-04 | 杭州谱诚泰迪实业有限公司 | Laser detection method and device for vibration of continuous casting mold |
-
2012
- 2012-03-04 CN CN2012200778090U patent/CN202479466U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102527968A (en) * | 2012-03-04 | 2012-07-04 | 杭州谱诚泰迪实业有限公司 | Laser detection method and device for vibration of continuous casting mold |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121010 |