CN203191395U - Laser speed measuring device for textile - Google Patents
Laser speed measuring device for textile Download PDFInfo
- Publication number
- CN203191395U CN203191395U CN 201320122605 CN201320122605U CN203191395U CN 203191395 U CN203191395 U CN 203191395U CN 201320122605 CN201320122605 CN 201320122605 CN 201320122605 U CN201320122605 U CN 201320122605U CN 203191395 U CN203191395 U CN 203191395U
- Authority
- CN
- China
- Prior art keywords
- laser
- processing unit
- data processing
- dsp data
- weaving
- 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 - Lifetime
Links
Images
Landscapes
- Treatment Of Fiber Materials (AREA)
Abstract
A laser speed measuring device for textile relates to a laser rotation speed measuring device and especially relates to a noncontact rotation speed detection device used for measuring the rotation speed of a yarn, a spindle, a roller or the like for textile. The laser speed measuring device comprises a laser detection unit, an analog signal processing unit, a DSP data processing unit and a keyboard display module. The laser detection unit comprises a laser emission element, a semi-reflective and semi-permeable mirror and a laser detection element; the laser detection unit is connected to the DSP data processing unit through the analog signal processing unit, a light source control output end of the DSP data processing unit is connected to the laser emission element, and an analog signal output end of the laser detection element is connected to a digital signal input end of the DSP data processing unit; the keyboard display module is disposed on an operation panel of the laser speed measuring device for textile and is connected to a keyboard display interface of the DSP data processing unit. The range of diameter of a measured object measured by the device is wide, and the device can be used for detecting the speed of a yarn, a spindle, a roller, a rotating shaft and the like and has high precision and good stability.
Description
Technical field
The utility model relates to the laser rotation-speed measuring device, relates in particular to a kind of for the non-contact type tachometric pick-up unit of weaving and using with tachometrys such as yarn, spindle and rollers.
Background technology
The twist of yarn, number and bar evenness are the three big technic indexs that determine yarn qualities, and wherein correct, good twist is the necessary condition of intensity, smooth finish and the bar evenness of assurance yarn.And the rotating speed of yarn, spindle and roller etc. whether accurately, stable be the twist that determines yarn, the key factor of drawing-off (that is number).In order to control the good process performance of Yarn-spinning spindle effectively well, must regularly carry out the generaI investigation of ingot speed, or be equipped with yarn twist pick-up unit at each spindle, yarn rotating speed, ingot speed etc. is monitored.Then, according to the yarn twist of surveying in the laboratory, the rotating speed of yarn, ingot speed etc. are regulated.
China's utility model patent " weaving use speed detector " (utility model patent number: ZL99252138.6 Granted publication number: CN2417183Y) disclose a kind of weaving speed detector. comprising: the testing circuit that is constituted by photoelectric sensor, signal amplifier, shaping pulse assembly, sensitivity adjustment element and working condition indicator etc. and the computing circuit that is constituted by single-chip microcomputer, keyboard, LCD, crystal oscillator generator, deviation indicator etc.Photoelectric sensor is accepted the infrared reflection signal of tested yarn, and after amplification and shaping pulse, input CPU calculates.The gained data show output by LCD when record stores, light-emitting diode display shows the rotating speed state.This utility model is one easy, weaving speed detector efficiently.But this utility model adopts the infrared reflection signal to detect through the pulse shaping, is subject to disturb, and it is big especially to detect error for the irregular yarn of appearance.
The utility model content
The purpose of this utility model is that a kind of accuracy of detection height will be provided, the weaving that antijamming capability is strong laser velocimeter device.
The utility model solves the problems of the technologies described above the technical scheme that adopts:
A kind of weaving laser velocimeter device comprises the laser detection unit, analogy signal processing unit, and DSP data processing unit and keyboard display module is characterized in that:
Described laser detection unit comprises the Laser emission element, half-reflecting half mirror and laser detection element, described half-reflecting half mirror places on the light path between Laser emission element and the measured target thing, the laser beam of Laser emission element emission, see through half-reflecting half mirror and arrive the measured target thing, the laser beam of measured target thing reflected back reflexes to the laser detection element through half-reflecting half mirror;
Described laser detection unit passes through analogy signal processing unit, be connected to the DSP data processing unit, the light source control output terminal of described DSP data processing unit, D/A circuit via analogy signal processing unit, be connected to the Laser emission element, the analog signal output of laser detection element via the A/D circuit of analogy signal processing unit, is connected to the digital signal input end of DSP data processing unit;
Described keyboard display module places on the guidance panel of weaving with the laser velocimeter device, is connected to the keyboard and display interface of DSP data processing unit.
Weaving of the present utility model is characterized in that with a kind of preferable technical scheme of laser velocimeter device described laser detection unit is integrated laser and CCD displacement transducer, and described laser detection element is the CCD element.
Weaving of the present utility model is characterized in that with a kind of better technical scheme of laser velocimeter device described DSP data processing unit is 32 monolithic DSP digital signal processors.
Weaving of the present utility model is with a kind of improved technical scheme of laser velocimeter device, it is characterized in that described weaving is provided with the dataphone interface unit with the laser velocimeter device, described DSP data processing unit is connected to computer and/or network by the dataphone interface unit.
The beneficial effects of the utility model are:
1, weaving of the present utility model is wide with the measurand measurement diameter range of laser velocimeter device, can detect yarn, spindle, roller and rotating shaft uniform velocity, measuring rotating speed is to obtain accurate measurement result from 5 rev/mins to 30000 rev/mins, do not measured diameter restrictions in theory, applied widely.This instrument has the precision height, and good stability has good using value in textile industry and other high precision tachometric survey fields.
2, weaving of the present utility model with the laser velocimeter device by the computer network interface is set, can easily testing result be sent to computer and network, carry out stores processor and the statistical study of batch detection data, be specially adapted to the batch rotating speed detection that textile industry is carried out the spinning frame spindle.
Description of drawings
Fig. 1 is weaving of the present utility model with the electrical schematic diagram of laser velocimeter device.
The label of each parts is as follows among the figure:
100-laser detection unit;
110-Laser emission element;
The 120-half-reflecting half mirror;
130-laser detection element;
The 200-analogy signal processing unit;
The 300-DSP data processing unit;
The 400-keyboard display module;
500-dataphone interface unit;
600-measured target thing.
Embodiment
In order to understand technique scheme of the present utility model better, be explained in further detail below in conjunction with drawings and Examples.
Weaving of the present utility model with the embodiment of laser velocimeter device as shown in Figure 1, comprise laser detection unit 100, analogy signal processing unit 200, DSP data processing unit 300 and keyboard display module 400, described laser detection unit 100 comprises Laser emission element 110, half-reflecting half mirror 120 and laser detection element 130, described half-reflecting half mirror 120 places on the light path between Laser emission element 110 and the measured target thing 600, the laser beam of Laser emission element 110 emissions, see through half-reflecting half mirror 120 and arrive measured target thing 600, the laser beam of measured target thing 600 reflected backs reflexes to laser detection element 130 through half-reflecting half mirror 120;
Described laser detection unit 100 is by analogy signal processing unit 200, be connected to DSP data processing unit 300, the light source control output terminal of described DSP data processing unit 300, D/A circuit via analogy signal processing unit 200, be connected to Laser emission element 110, the analog signal output of laser detection element 130 via the A/D circuit of analogy signal processing unit 200, is connected to the digital signal input end of DSP data processing unit 300; Analogy signal processing unit 200 can adopt TLC4501 operational amplifier and TLV320AIC10 converter to form.
Described keyboard display module 400 places on the guidance panel of weaving with the laser velocimeter device, be connected to the keyboard and display interface of DSP data processing unit 300, display module can directly be made up of the keyboard and display interface connection output nixie display of DSP data processing unit 300, also can be made up of 74HC595 decoding device and nixie display.
According to the embodiment of weaving of the present utility model with the laser velocimeter device, it is characterized in that described laser detection unit 100 is integrated laser and CCD displacement transducers, described laser detection element 130 is CCD elements, CCD element and Laser emission element 110 and half-reflecting half mirror 120 becoming one modules, the emission of laser beam and catoptrical reception are finished by integrated laser and CCD displacement transducer.This structure makes the structure of speed measuring device simpler, can dwindle the size of speed measuring device greatly.The spot diameter 20-150 μ m of laser and CCD displacement transducer can the interference of filtering surface roughness to measuring.Selected laser and CCD displacement transducer resolution is 0.1 μ m, and minimal sampling time is spaced apart 100 μ s, and useful range is 0～80mm.Characteristics such as the laser and CCD displacement transducer has that low temperature floats, precision height, sample rate are fast, good stability.The time interval of image data, I reached 1 microsecond, and data acquisition density is big, and the data volume of collection is abundant.Very outstanding aspect accuracy, the laser velocimeter device places in the measured surface 20mm～200mm scope of measured target thing 600, can accurately measure the rotation speed change of measured target thing 600.
According to weaving of the present utility model shown in Figure 1 embodiment with the laser velocimeter device, DSP data processing unit 300 is 32 monolithic DSP digital signal processors, select the TMS320F2812DSP digital signal processor for use, adopt classification filtering algorithm and small echo major component filtering algorithm, with error separation algorithm and small echo-principal component analysis algorithm, the signal of laser and CCD displacement transducer collection is carried out after error separates, and surface roundness or rotating shaft turn error are measured rotating speed when utilizing rotary body to rotate.Handle by intelligentized data, improve laser velocimeter measurement device precision and antijamming capability.
In the embodiment shown in fig. 1, weaving of the present utility model is provided with dataphone interface unit 500 with the laser velocimeter device, and described DSP data processing unit 300 is connected to computer and/or network by dataphone interface unit 500.Dataphone interface unit 500 adopts 6N137, TIL117 isolator and MAX485E communication interface to form, can utilize 485 digital transmission interfaces such as grade to transmit data and networking, carry out stores processor and the statistical study of batch detection data, be specially adapted to the batch rotating speed detection that textile industry is carried out the spinning frame spindle.
Those of ordinary skill in the art will be appreciated that; above embodiment illustrates the technical solution of the utility model; and be not to be used as restriction of the present utility model; any variation, modification of the above embodiment being done based on connotation of the present utility model all will drop in the protection domain of claim of the present utility model.
Claims (4)
1. a weaving laser velocimeter device comprises the laser detection unit, analogy signal processing unit, and DSP data processing unit and keyboard display module is characterized in that:
Described laser detection unit comprises the Laser emission element, half-reflecting half mirror and laser detection element, described half-reflecting half mirror places on the light path between Laser emission element and the measured target thing, the laser beam of Laser emission element emission, see through half-reflecting half mirror and arrive the measured target thing, the laser beam of measured target thing reflected back reflexes to the laser detection element through half-reflecting half mirror;
Described laser detection unit passes through analogy signal processing unit, be connected to the DSP data processing unit, the light source control output terminal of described DSP data processing unit, D/A circuit via analogy signal processing unit, be connected to the Laser emission element, the analog signal output of laser detection element via the A/D circuit of analogy signal processing unit, is connected to the digital signal input end of DSP data processing unit;
Described keyboard display module places on the guidance panel of weaving with the laser velocimeter device, is connected to the keyboard and display interface of DSP data processing unit.
2. weaving according to claim 1 laser velocimeter device is characterized in that described laser detection unit is integrated laser and CCD displacement transducer, and described laser detection element is the CCD element.
3. weaving according to claim 1 laser velocimeter device is characterized in that described DSP data processing unit is 32 monolithic DSP digital signal processors.
4. according to claim 1,2 or 3 described weaving laser velocimeter devices, it is characterized in that described weaving is provided with the dataphone interface unit with the laser velocimeter device, described DSP data processing unit is connected to computer and/or network by the dataphone interface unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320122605 CN203191395U (en) | 2013-03-18 | 2013-03-18 | Laser speed measuring device for textile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320122605 CN203191395U (en) | 2013-03-18 | 2013-03-18 | Laser speed measuring device for textile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203191395U true CN203191395U (en) | 2013-09-11 |
Family
ID=49108247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320122605 Expired - Lifetime CN203191395U (en) | 2013-03-18 | 2013-03-18 | Laser speed measuring device for textile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203191395U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104528508A (en) * | 2014-11-14 | 2015-04-22 | 重庆大学 | Non-contact type escalator multi-parameter measuring method based on photoelectricity testing part |
| CN106441110A (en) * | 2016-09-23 | 2017-02-22 | 西安电子科技大学 | High precision laser displacement sensor system based on CMOS |
| CN106646503A (en) * | 2016-08-26 | 2017-05-10 | 浙江赛安电气科技有限公司 | Yarn speed measurement device, yarn covering and twisting equipment and yarn rotating speed measurement method |
-
2013
- 2013-03-18 CN CN 201320122605 patent/CN203191395U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104528508A (en) * | 2014-11-14 | 2015-04-22 | 重庆大学 | Non-contact type escalator multi-parameter measuring method based on photoelectricity testing part |
| CN106646503A (en) * | 2016-08-26 | 2017-05-10 | 浙江赛安电气科技有限公司 | Yarn speed measurement device, yarn covering and twisting equipment and yarn rotating speed measurement method |
| CN106441110A (en) * | 2016-09-23 | 2017-02-22 | 西安电子科技大学 | High precision laser displacement sensor system based on CMOS |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103644875B (en) | A kind of dynamically spindle rotation accuracy checkout gear | |
| CN201004011Y (en) | A shaft friction torque measurement instrument | |
| CN204620472U (en) | A kind of precision bearing checkout gear | |
| CN203615907U (en) | Dynamic spindle revolution precision detection device | |
| CN102680728B (en) | Motor rotation speed measuring method used in precise electromechanical equipment | |
| CN108020409B (en) | A kind of 4 points of dynamic measurements of spindle rotation error and separation method | |
| CN102353612B (en) | Resonant tuning fork liquid density sensor with piezoelectric actuation and piezoelectric detection | |
| CN203191395U (en) | Laser speed measuring device for textile | |
| CN102359759B (en) | Measuring system for electrical runout amount of revolving body | |
| CN102980918A (en) | Reinforcing steel bar corrosion quantitative comprehensive detector | |
| CN109163769B (en) | Detection method of pipeline flow electromagnetic array sensor | |
| CN102507369A (en) | Electromagnetic excitation detection-based resonant tuning fork liquid density sensor | |
| CN201955065U (en) | Laser measurer for fork natural glide quantity and mast inclination angle variation for forklift | |
| CN207147420U (en) | Processing axle diameter of axle detection means based on Numeric Control Technology | |
| CN201917295U (en) | Multifunctional bearing measuring instrument | |
| CN208297550U (en) | Medical centrifuge revolving speed prover | |
| CN202216664U (en) | System for measuring electrical runout of revolving body | |
| CN202630899U (en) | High-speed detection device of end jumping of circular saw web | |
| CN202947557U (en) | Precise detecting instrument for bearing ring | |
| CN201514715U (en) | Force synthesis analysis experiment device | |
| CN110261356A (en) | A kind of online dissolved oxygen sensing system based on Fluorimetric Quenching Method | |
| CN206959992U (en) | A kind of laser polarization state measuring instrument | |
| CN202928936U (en) | Rebar corrosion quantitative and comprehensive detector | |
| CN206556529U (en) | A kind of intelligent amesdial of magnetic railings ruler | |
| CN205619872U (en) | Hand -held type angle displacement gauge head |
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: 20130911 |