CN207019625U - Non-contact length-measuring appliance - Google Patents
Non-contact length-measuring appliance Download PDFInfo
- Publication number
- CN207019625U CN207019625U CN201720781619.XU CN201720781619U CN207019625U CN 207019625 U CN207019625 U CN 207019625U CN 201720781619 U CN201720781619 U CN 201720781619U CN 207019625 U CN207019625 U CN 207019625U
- Authority
- CN
- China
- Prior art keywords
- contact length
- photo
- image processing
- sensitive cell
- processing module
- 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.)
- Active
Links
Landscapes
- Length Measuring Devices By Optical Means (AREA)
Abstract
A kind of non-contact length-measuring appliance of the utility model, it is related to length measurement technique field, including at least one non-contact length measuring sensor, the non-contact length measuring sensor includes housing, and it is arranged at the image-forming module in housing, image processing module, interface control module, the image-forming module includes LASER Light Source, focusing lens, enlarging lens and photo-sensitive cell, laser beam line focus eyeglass is projected to measured object caused by the LASER Light Source, after measured object reflects by enlarging lens after on imaging to photo-sensitive cell, the photo-sensitive cell high frequency sends view data to image processing module, view data is converted to displacement data by described image processing module, and pulse signal or data signal are converted to by interface control module and outwards exported, measurement accuracy is high, speed is fast.
Description
Technical field
It the utility model is related to length measurement technique field, more particularly to a kind of non-contact length-measuring appliance.
Background technology
Measured object displacement and linear measure longimetry are the important components of measuring science and metering method, particularly accurate to add
Many fields such as work, Aero-Space, national defense and military and communication all have and its important meaning is closed and effect, at present, main
Detection mode is the machinery and photoelectric measurement mode of physical contact formula, and these modes are all to use rotatable wheel contacts measured object, by quilt
After object is surveyed by the rotation of friction belt turn wheel, rotation amount is recorded to draw displacement, this mode in actual applications, has
Runner effect of attrition measurement accuracy, more smooth surface is not easy to detect or measures that inaccurate, speed is slow, precision is low, direction is single, long
Degree is longer, and measurement accuracy is lower.
The patent application of Application No. 99116050.9 discloses a kind of for measuring solid speed and the system bag of length
Measurement sensor and signal processing apparatus are included, wherein measurement sensor includes laser sensor and signal regulating device, signal
Processing unit includes data collecting card and cross-correlation analysis instrument.The invention is as a result of laser sensor, because of two directional lights
The incidence point of beam is exactly measuring probe, therefore testee is not interfered with its measurement process, is not limited by environmental condition, can
Measured for various occasions；Further, since cross-correlation analysis instrument uses online digital direct computing method, therefore, in phase
With on-line measurement response speed under the premise of, its statistical measurement precision is substantially better than polarity correlation analysis, and can reduce and can survey letter
Make an uproar ratio, but the technical scheme is acquired by two groups of measuring probes to data, easily causes error, and accuracy is low.
Utility model content
The utility model aims to overcome that deficiency of the prior art, there is provided a kind of non-contact length-measuring appliance, surveys
Accuracy of measurement is high, speed is fast.
The utility model is achieved through the following technical solutions：A kind of non-contact length-measuring appliance, including at least one
Individual non-contact length measuring sensor, the non-contact length measuring sensor include housing, and be arranged in housing into
As module, image processing module, interface control module, the image-forming module include LASER Light Source, focusing lens, enlarging lens and
Photo-sensitive cell, laser beam line focus eyeglass is projected to measured object caused by the LASER Light Source, by putting after measured object reflects
After big eyeglass on imaging to photo-sensitive cell, the photo-sensitive cell high frequency sends view data, described image to image processing module
View data is converted to displacement data by processing module, and is converted to pulse signal or data signal by interface control module
Outwards output.
Further, in addition to conveying device, control device, positioner, the control device are used to control conveying dress
Put and non-contact length measuring sensor, the control device include display, the control device is also associated with voltage-stabilized power supply
And acoustic-optic alarm, the positioner are used to control the spacing between measured object and non-contact length measuring sensor.
Further, the positioner is included with the fixed part of non-contact length measuring sensor homonymy and positioned at another
The elastic portion of side, the fixed part and elastic portion include upward extension bar, and the extension bar is horizontally disposed close to upper end position
There is roller, positioned measured object by the extruding between two rollers, the elastic portion also includes elastic device.
Further, the elastic device includes column, and the column upper end is fixed with gas spring, the gas by anchor ear
The piston free end of spring is towards fixed part and is fixed with upward extension bar.
Further, the photo-sensitive cell selects cmos image sensor or ccd image sensor, the photo-sensitive cell with
Frequency not less than 5000/second sends view data to image processing module.
Further, described image processing module includes microprocessor, the microprocessor from DSP microprocessors or
MCU microprocessors.
Further, the interface control module selects DSP microprocessors or MCU microprocessors.
Further, in addition to system shunting means, for by the data comparison of multiple non-contact length measuring sensors,
Sent after merging to control device, the system shunting means is microcomputer.
The beneficial effects of the utility model are：
1. gathering image after measured object surface is amplified, characteristic point is produced, to can also be measured compared with smooth surface；
2. increasing system shunting means, multiple non-contact length measuring sensors are together in parallel uses, further raising
Precision, speed, serious forgiveness, extension measurement amount dimension and state, the signal acquisition program docking port control in system shunting means
Module is numbered by wired or wireless way gathered data, coordinates multiple interface control module data, forms redundant data
Display, after being analyzed by signal analysis program, the pulse signal or data signal of multidimensional are exported through application interface program.
3. non-contact length measuring sensor has short distance interval with measured object, in the range of this short distance, interval variation is not
Measurement amount result is not influenceed.
4. the accuracy and speed measured can be converted and improved with hardware configuration.
The characteristic that 5. monochromaticjty of laser is good, coherence is good, good directionality, brightness are high, superfine light beam is produced as illuminating
Light source.
6. the multidirectional displacement of measured object can be measured in real time.
Brief description of the drawings
Fig. 1 is that each part position relations diagram of the utility model is intended to；
Fig. 2 is intended to for non-contact length measuring sensor structural diagrams；
Fig. 3 is intended to for image-forming module principal diagram；
Fig. 4 is the utility model block diagram schematic diagram；
Wherein：1- control devices, 2- conveying devices, 3- measured objects, 4- acoustic-optic alarms, 5- rollers, 6- extension bars, 7- are stood
Post, 8- anchor ears, 9- gas springs, the non-contact length measuring sensors of 10-, 11- LASER Light Sources, 12- focusing lens, 13- magnifying glasses
Piece, 14- photo-sensitive cells, 15- housings, 16- interface control modules, 17- image processing modules, 18- image generation modules, 19- electricity
Cable.
Embodiment
The technical solution of the utility model is specifically described below by way of embodiment.
Embodiment 1
Non-contact length-measuring appliance as Figure 1-4, including conveying device 2, control device 1, positioner peace
Two capable non-contact length measuring sensors 10, wherein conveying device 2 select conveyer belt, and control device 1 includes display, control
Device 1 processed is also associated with voltage-stabilized power supply and acoustic-optic alarm 4, and positioner includes and non-contact length measuring sensor homonymy
Fixed part and the elastic portion positioned at opposite side, fixed part and elastic portion include upward extension bar 6, extension bar 6 is close to upper end position
To put to be horizontally disposed with and have roller 5, positioned measured object 3 by the extruding between two rollers 5, elastic portion also includes elastic device,
Elastic device includes column 7, and the upper end of column 7 is fixed with gas spring 9 by anchor ear 8, and the piston free end direction of gas spring 9 is fixed
Portion is simultaneously fixed with upward extension bar, and non-contact length measuring sensor 10 includes shell 15, and be arranged in shell 15 into
As module 18, image processing module 17, interface control module 19, image processing module includes microprocessor, and microprocessor is selected
DSP microprocessors, interface control module select MCU microprocessors, and image-forming module includes LASER Light Source 11, focusing lens 12, put
Big eyeglass 13 and photo-sensitive cell 14, the wherein multiplication factor of enlarging lens 13 is 3000-5000 times, and photo-sensitive cell selects ccd image
Sensor, laser beam line focus eyeglass 12 is projected to measured object 3 caused by LASER Light Source, passes through amplification after the reflection of measured object 3
After eyeglass 13 on imaging to photo-sensitive cell 14, photo-sensitive cell sends image with the speed of 8000 thousand sheets/second to image processing module
Data, view data is converted to displacement data by image processing module, and is converted to pulse signal by interface control module,
By cable 19, outwards output is to system shunting means, and system shunting means is microcomputer, installed in the shell of control device 1
It is interior, it will be sent after the data comparison of two non-contact length measuring sensors, merging to control device 1.
The calibration method of non-contact length-measuring appliance, comprises the following steps：
A1, open, carry out opening non-contact length-measuring appliance by control device 1, conveying device 2 drives measured object 3
By positioner, and then pass through non-contact length measuring sensor 10；
A2, canonical measure, selection standard length measured object, it is conveyed through non-contact linear measure longimetry through conveying device and senses
Device, shown after measurement by display and record measurement result；
A3, reverse measuremenet, conveying device is controlled reversely to convey by control device, with full-length measured object, through conveying
Device is conveyed through non-contact length measuring sensor, is shown after measurement by display and records measurement result；
A4, multiple standard-reverse measuremenet, obtain 30-50 group measurement results；
A5, roll adjustment measurement, adjusts positioner, causes the spacing between measured object and non-contact length measuring sensor to become
Change, repeat A4 operations, obtain 30-50 group data；
A6, correction factor is calculated, the data as obtained by control device by A4 and A5 are averaged, and then obtain average value
Business between standard value, as correction value S.
Workflow of the present utility model is as follows：
Non-contact length-measuring appliance is opened, measured object is driven by conveying device passes through positioner, and then passes through two
Non-contact length measuring sensor, laser beam line focus eyeglass caused by the LASER Light Source of non-contact length measuring sensor project
To measured object, after measured object reflects by enlarging lens after imaging to photo-sensitive cell, photo-sensitive cell is with the speed of 8000 thousand sheets/second
Rate sends view data to image processing module, and view data characteristic point is converted to displacement data by image processing module, and
Pulse signal is converted to by interface control module outwards to export to system shunting means, and then control device, control device connect
Pulse signal is received, and is converted into length value L, length value L then is multiplied into correction value S both obtains measured object actual (tube) length angle value.
Clock module is additionally provided with control device, a time value 3s is set, when 3s inner controllers are not received by
During pulse signal, acoustic-optic alarm triggering.
Claims (8)
- A kind of 1. non-contact length-measuring appliance, it is characterised in that：It is described including at least one non-contact length measuring sensor Non-contact length measuring sensor includes housing, and image-forming module, image processing module, the Interface Controller being arranged in housing Module, the image-forming module include LASER Light Source, focusing lens, enlarging lens and photo-sensitive cell, caused by the LASER Light Source Laser beam line focus eyeglass is projected to measured object, after measured object reflects by enlarging lens after on imaging to photo-sensitive cell, institute State photo-sensitive cell high frequency and send view data to image processing module, view data conversion is characterized by described image processing module Displacement data, and pulse signal or data signal are converted to by interface control module and outwards exported.
- 2. non-contact length-measuring appliance according to claim 1, it is characterised in that also including conveying device, control dress Put, positioner, the control device is used to control conveying device and non-contact length measuring sensor, the control device bag Display is included, the control device is also associated with voltage-stabilized power supply and acoustic-optic alarm, and the positioner is tested for controlling Spacing between thing and non-contact length measuring sensor.
- 3. non-contact length-measuring appliance according to claim 2, it is characterised in that the positioner includes connecing with non- The fixed part of length measuring sensor homonymy and the elastic portion positioned at opposite side are touched, the fixed part and elastic portion include upward Extension bar, the extension bar has roller close to upper end position is horizontally disposed, positioned measured object by the extruding between two rollers, The elastic portion also includes elastic device.
- 4. non-contact length-measuring appliance according to claim 3, it is characterised in that the elastic device includes column, The column upper end is fixed with gas spring by anchor ear, and the piston free end of the gas spring towards fixed part and is fixed with upwards Extension bar.
- 5. non-contact length-measuring appliance according to claim 1, it is characterised in that the photo-sensitive cell is schemed from CMOS As sensor or ccd image sensor, the photo-sensitive cell is sent with the frequency not less than 5000/second to image processing module View data.
- 6. non-contact length-measuring appliance according to claim 1, it is characterised in that described image processing module includes micro- Processor, the microprocessor select DSP microprocessors or MCU microprocessors.
- 7. non-contact length-measuring appliance according to claim 1, it is characterised in that the interface control module is selected DSP microprocessors or MCU microprocessors.
- 8. non-contact length-measuring appliance according to claim 2, it is characterised in that also including system shunting means, use Sent after by the data comparison of multiple non-contact length measuring sensors, merging to control device, the system shunting means Microcomputer can be selected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720781619.XU CN207019625U (en) | 2017-06-30 | 2017-06-30 | Non-contact length-measuring appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720781619.XU CN207019625U (en) | 2017-06-30 | 2017-06-30 | Non-contact length-measuring appliance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207019625U true CN207019625U (en) | 2018-02-16 |
Family
ID=61482589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720781619.XU Active CN207019625U (en) | 2017-06-30 | 2017-06-30 | Non-contact length-measuring appliance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207019625U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107192338A (en) * | 2017-06-30 | 2017-09-22 | 郑州完美屹克科技有限公司 | Noncontact length-measuring appliance |
-
2017
- 2017-06-30 CN CN201720781619.XU patent/CN207019625U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107192338A (en) * | 2017-06-30 | 2017-09-22 | 郑州完美屹克科技有限公司 | Noncontact length-measuring appliance |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101769723B (en) | Electronic device and object shape parameter measurement method thereof | |
| CN104833317A (en) | Medium or heavy steel plate morphology detection system based on controllable symmetrical double-line laser angle and method thereof | |
| CN103398661A (en) | Online real-time detection device for thickness of amorphous alloy strip | |
| CN109186487A (en) | A kind of pipeline ovality automatic checkout equipment and its detection method | |
| CN208419904U (en) | A kind of aperture measurement device and measuring device | |
| CN101603817B (en) | Glass thickness detection device and method | |
| CN107811614A (en) | Human body is servo-actuated long distance temperature measurement system | |
| CN207019625U (en) | Non-contact length-measuring appliance | |
| CN109163769B (en) | Detection method of pipeline flow electromagnetic array sensor | |
| CN105444871B (en) | Condenser type pipe/rod-like articles vibrate on-line measurement device and method | |
| CN107192338A (en) | Noncontact length-measuring appliance | |
| US5088827A (en) | Measuring apparatus for determining the dimension and position of an elongate object | |
| CN102331236A (en) | On-line diameter measurement device for large-diameter solid of revolution | |
| CN105783743A (en) | Sheet metal printing wet film thickness online detection system based on infrared reflection method | |
| CN204730813U (en) | A kind of medium plate Shap feature detection system controlled based on symmetric double line laser angle | |
| CN107478145B (en) | A kind of tip formula multi-pole capacitance sensor of welding gun pose detection | |
| CN207147420U (en) | Processing axle diameter of axle detection means based on Numeric Control Technology | |
| CN207164250U (en) | Multifunctional distance pen | |
| CN204101001U (en) | A kind of belt steel thickness measuring equipment | |
| CN108007626B (en) | A kind of localized contact formula membrane tension measuring device and method | |
| CN203191395U (en) | Laser speed measuring device for textile | |
| CN102621079A (en) | Method and device for detecting acrylamide content in barbecued meat product on line | |
| CN110017782A (en) | A kind of multipoint mode object distance measurement method and its structure | |
| CN207095506U (en) | The close detection probe of metallized film light and the close detector of metallized film light | |
| CN109540849A (en) | A kind of novel thin film monitoring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |