CN205537526U - Calibration arrangement for portable laser displacement sensor - Google Patents
Calibration arrangement for portable laser displacement sensor Download PDFInfo
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- CN205537526U CN205537526U CN201620304009.6U CN201620304009U CN205537526U CN 205537526 U CN205537526 U CN 205537526U CN 201620304009 U CN201620304009 U CN 201620304009U CN 205537526 U CN205537526 U CN 205537526U
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- displacement sensor
- laser displacement
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Abstract
The utility model provides a calibration arrangement for portable laser displacement sensor, the device mainly includes base, micrometer, laser displacement sensor and controller, laser displacement sensor and micrometer all set up on the base, and laser displacement sensor's position is overhead for satisfying shining at the chi of micrometer of facula ability accuracy, and the sensor links to each other with the controller. The device has simplified laser displacement sensor's demarcation step, has optimized laser displacement sensor's calibration method, has improved efficiency and accuracy that high -precision laser detected. The device provided by the utility model the exquisiteness is convenient for carry out the calibration experiment to the sensor under the experiment condition of difference.
Description
Technical field
This utility model is used for optical precision measurement field, and for caliberating device and the scaling method thereof of a kind of portable laser displacement sensor, before being mainly used in laser displacement sensor measurement, the performance indications to sensor carry out Experimental Calibration.
Background technology
Constantly extending and improving constantly certainty of measurement and measuring speed along with field of industrial measurement, traditional contact type measurement cannot meet the demand of industrial quarters.
Summary of the invention
Utility model purpose: utility model provides the caliberating device of a kind of portable laser displacement sensor and scaling method thereof to its objective is to solve before using laser displacement sensor to carry out high-acruracy survey, it is impossible to fast and convenient realize transducer calibration problem.
Technical scheme: utility model is achieved through the following technical solutions:
A kind of caliberating device of portable laser displacement sensor, it is characterised in that: this device mainly includes base, micrometer, laser displacement sensor and controller；Laser displacement sensor and micrometer may be contained within base, and the position of laser displacement sensor is to meet hot spot can accurately be radiated on the chi head of micrometer, and sensor is connected with controller.
Four corners of the bottom surface being used for fixing the base of other device are respectively provided with four rubber sheet gaskets in uniform thickness, base be provided above with 4 fixing grooves of transverse and longitudinal, the chi of micrometer two ends end to end are respectively placed in base and laterally fix in groove.
Micrometer is clamping on base by micrometer cramping apparatus, and laser displacement sensor is clamping on base by laser displacement sensor fixture.
Micrometer cramping apparatus and laser displacement sensor fixture all may be implemented in the rotation on base by fixing screw, micrometer cramping apparatus is provided with the stick for controlling clamped position and clamping force with screw, when micrometer occurs to loosen, manually screw two one control levers to control fixture to the clamped position of micrometer and clamping force.Being also provided with on laser displacement sensor fixture can be with the track type stopper slot of trim locations, and screw makes laser displacement sensor fixture can utilize this stopper slot trim locations through this stopper slot.
Data display screen it is provided with on controller.
The scaling method of laser displacement sensor, it is characterized in that: base is placed on horizontal plane, base following four corner arranges anti-slip rubber pad, it is used for increasing the stability of caliberating device, again micrometer two ends end to end are respectively placed in base laterally to fix in groove, it is clamped on base with the micrometer cramping apparatus being arranged on base, avoid its horizontal vibration, stick it is additionally provided with on micrometer cramping apparatus, control the clamped position of fixture and the size of clamping force, again laser displacement sensor is arranged in the most fixing groove, and clamp with the clamp of sensor being arranged on base, there is track type stopper slot clamp of sensor upper end, it is used for finely tuning the position of laser displacement sensor, to ensure that laser displacement sensor hot spot is radiated on the chi head of micrometer accurately, finally sensor is connected with controller；
After power supply energising, the display screen of controller can show that now LASER Light Source is to the position of micrometer head, due to micrometer head swivel feeding one week, chi head one scale of advance, mobile 0.001mm, therefore by the swivel feeding one week of micrometer head, i.e. one scale of micrometer advance, see sensing data 0.001mm less than measured value just now on controller display screen, if in screw respectively 5 times, controller video data is the least 0.001mm, then press the back to zero key in controller, completes to demarcate；If in screwing at 5 times, controller video data is not all reduction 0.001mm, carries out 5 screwing operations the most again, until video data is stable all reduces 0.001mm screwing every time, presses back to zero key equally, completes demarcation.
Advantageous effect:
Non-cpntact measurement, due to its good accuracy and real-time, has become as the focus of fields of measurement.Simultaneously because the developing rapidly of electronics and optical technology, Photoelectric Detection has become as a kind of main method of non-cpntact measurement.Laser triangulation is the one of photoelectric detecting technology, has a wide range of applications owing to the method has in the detection such as simple in construction, measuring speed is fast, processing capability in real time is strong, advantage length, distance and the three-dimensional appearance in the industry such as flexible and convenient to use.Laser displacement sensor uses laser triangulation principle, the laser beam that measurement system sends is irradiated to testee surface after over-focusing, after diffuse-reflectance, light is by lens imaging to light-sensitive element receiving surface, the signal of telecommunication is converted to by optical-electrical converter, the output size of the signal of telecommunication is only relevant with the position of measured point, when measuring point height changes, and image point position changes therewith, sensor output signal is caused to change.This sensor can with quick feedback and tracking system with the use of, it is possible to measure surface configuration and profile quickly and accurately.Which overcome the shortcomings in contact measurement, both improve detection speed, protect again measured workpiece surface from scratching and prevent to measure head deformation.
Actual laser displacement sensor must be demarcated before being taken into use.The purpose demarcated is the residual nonlinearity in terms of the compensation geometric warping of optical pickocff part, minute surface aberration and electronic system, to determine the parameter of triangulation system, measure body surface displacement corresponding to several specified point and the numerical value of image displacement, solve Nonlinear System of Equations and determine its parameter；Combine by the method tabled look-up with linear interpolation and determine parameter.System by generally can set up after demarcating one as moving and the corresponding look-up table of displacement, in actual motion, obtain last body surface actual shifts by look-up table by obtain as shifting value.Technological progress along with laser sensor industry, most sensors the most on sale are already provided with self-adapting calibration algorithm, the Image motion errors that can quickly calculate correspondence with oneself is i.e. moved by different things, and record, therefore the caliberating device of one Portable practical of design becomes focus technology.
This utility model provides caliberating device and the scaling method thereof of a kind of portable laser displacement sensor, and it aims at quick, the accurate calibration of laser sensor.This device simplifies the demarcating steps of laser displacement sensor, optimizes the scaling method of laser displacement sensor, improves efficiency and the accuracy of high-precision laser detection.The device that this utility model provides is exquisite, it is simple under varying experimental conditions sensor is carried out calibration experiment.
Accompanying drawing illustrates:
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention:
As it is shown in figure 1, this utility model provides the caliberating device of a kind of portable laser displacement sensor, this device mainly includes base 1, micrometer 2, laser displacement sensor 3 and controller 4；Laser displacement sensor 3 and micrometer 2 may be contained within base 1, and the position of laser displacement sensor 3 is to meet hot spot can accurately be radiated on the chi head of micrometer 2, and sensor 3 is connected with controller 4.
Four corners of the bottom surface being used for fixing the base 1 of other device are respectively provided with four rubber sheet gaskets in uniform thickness, base 1 be provided above with 4 fixing grooves of transverse and longitudinal, the chi of micrometer 2 two ends end to end are respectively placed in base 1 and laterally fix in groove.
Micrometer 2 is clamping on base 1 by micrometer cramping apparatus 5, and laser displacement sensor 3 is clamping on base 1 by laser displacement sensor fixture 6.
Micrometer cramping apparatus 5 and laser displacement sensor fixture 6 all may be implemented in the rotation on base by fixing screw, micrometer cramping apparatus 5 is provided with the stick for controlling clamped position and clamping force with screw, when micrometer 2 occurs to loosen, manually screw two one control levers to control fixture 5 to the clamped position of micrometer 2 and clamping force.Being also provided with on laser displacement sensor fixture can be with the track type stopper slot of trim locations, and screw makes laser displacement sensor fixture can utilize this stopper slot trim locations through this stopper slot.
It is provided with data display screen on controller 4.
The base 1 that grinding on four sides is good is horizontally disposed with in the plane, and sensor controller 4 is arranged at the right side of base 1, and being also provided with external power supply is that whole device is powered.
nullApply the scaling method of the laser displacement sensor that the caliberating device of above-mentioned portable laser displacement sensor implemented，Base 1 is placed on horizontal plane by the method，Base 1 following four corner is provided with anti-slip rubber pad，It is used for increasing the stability of caliberating device，Retell the two ends of micrometer 2 to be respectively placed in base 1 and laterally fix in groove，It is clamped on base 1 with the micrometer cramping apparatus 5 being arranged on base 1，Avoid its horizontal vibration，It is additionally provided with stick on micrometer cramping apparatus 5，Control the clamped position of fixture and the size of clamping force，Again laser displacement sensor 3 is arranged in the most fixing groove，And clamp with the clamp of sensor 6 being arranged on base 1，There is track type groove clamp of sensor 6 upper end，It is used for finely tuning the position of laser displacement sensor 3，To ensure that laser displacement sensor 3 hot spot is radiated on the chi head of micrometer 2 accurately，Finally sensor 3 is connected with controller 4.After power supply energising, the display screen of controller 4 can show that now LASER Light Source is to the position of micrometer head, due to micrometer head swivel feeding one week, chi head one scale of advance, mobile 0.001mm, therefore by the swivel feeding one week of micrometer head, i.e. micrometer 2 advances a scale, see sensing data 0.001mm less than measured value just now on controller 4 display screen, if in screw respectively 5 times, controller 4 video data is the least 0.001mm, then press the back to zero key in controller 4, completes to demarcate；If in screwing at 5 times, controller 4 video data is not all reduction 0.001mm, carry out 5 screwing operations (owing to sensor itself carries adaptive calibration algorithm) the most again until video data is stable all reduces 0.001mm screwing every time, press back to zero key equally, complete demarcation.
Claims (5)
1. the caliberating device of a portable laser displacement sensor, it is characterised in that: this device mainly includes base (1), micrometer (2), laser displacement sensor (3) and controller (4)；Laser displacement sensor (3) and micrometer (2) may be contained within base (1), and the position of laser displacement sensor (3) is to meet hot spot can accurately be radiated on the chi head of micrometer (2), and sensor (3) is connected with controller (4).
The caliberating device of portable laser displacement sensor the most according to claim 1, it is characterized in that: four corners of the bottom surface being used for fixing the base (1) of other device are respectively provided with four rubber sheet gaskets in uniform thickness, base (1) be provided above with 4 fixing grooves of transverse and longitudinal, the chi two ends end to end of micrometer (2) are respectively placed in base (1) laterally fixing groove.
The caliberating device of portable laser displacement sensor the most according to claim 1 and 2, it is characterized in that: micrometer (2) is clamping on base (1) by micrometer cramping apparatus (5), laser displacement sensor (3) is clamping on base (1) by laser displacement sensor fixture (6).
The caliberating device of portable laser displacement sensor the most according to claim 3, it is characterized in that: the rotation that micrometer cramping apparatus (5) and laser displacement sensor fixture (6) all may be implemented on base by fixing screw, micrometer cramping apparatus (5) is provided with the stick for controlling clamped position and clamping force with screw, when micrometer (2) occurs to loosen, manually screw two one control levers to control fixture (5) to the clamped position of micrometer (2) and clamping force；
Being also provided with on laser displacement sensor fixture can be with the track type stopper slot of trim locations, and screw makes laser displacement sensor fixture can utilize this stopper slot trim locations through this stopper slot.
The caliberating device of portable laser displacement sensor the most according to claim 1, it is characterised in that: controller is provided with data display screen on (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620304009.6U CN205537526U (en) | 2016-04-13 | 2016-04-13 | Calibration arrangement for portable laser displacement sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620304009.6U CN205537526U (en) | 2016-04-13 | 2016-04-13 | Calibration arrangement for portable laser displacement sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205537526U true CN205537526U (en) | 2016-08-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620304009.6U Active CN205537526U (en) | 2016-04-13 | 2016-04-13 | Calibration arrangement for portable laser displacement sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205537526U (en) |
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2016
- 2016-04-13 CN CN201620304009.6U patent/CN205537526U/en active Active
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