CN106773894B - A kind of high-accuracy displacement sensing Port Multiplier of digitalized S PC and its on-line correction and data transmission method - Google Patents
A kind of high-accuracy displacement sensing Port Multiplier of digitalized S PC and its on-line correction and data transmission method Download PDFInfo
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- CN106773894B CN106773894B CN201610997800.4A CN201610997800A CN106773894B CN 106773894 B CN106773894 B CN 106773894B CN 201610997800 A CN201610997800 A CN 201610997800A CN 106773894 B CN106773894 B CN 106773894B
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24036—Test signal generated by microprocessor, for all I-O tests
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Abstract
A kind of high-accuracy displacement sensing Port Multiplier of digitalized S PC, including master controller, the SPC displacement sensor interface being connect with communications protocol identification matching module, the calibration data memory interface being connect with measurement data correction module and the USB interface being connect with data conversion transmission module, SPC displacement sensor interface is connect with the output interface of SPC displacement sensor, calibration data memory interface is connect with eeprom memory, further includes the second calibration knob for recording the first calibration knob of online calibration data point and fitting into or exit on-line correction mode with the first calibration knob.The present invention also provides the online data correction for using the high-accuracy displacement sensing Port Multiplier of above-mentioned digitalized S PC and transmission methods.The present invention improves the efficiency and precision of SPC control process acquisition transmission data, also reduces use cost.Online data correction is realized simultaneously, is further improved the efficiency of data collection, be ensure that the reliability of data.
Description
Technical field
The present invention relates to digitalized S PC technical fields, and in particular to a kind of high-accuracy displacement sensing Port Multiplier of digitalized S PC
And its on-line correction and data transmission method, for being machined the geometry processing dimension quality of product especially precision bearing
Statistical Process Control.
Background technique
Statistical Process Control (abbreviation SPC) is a kind of process control tool by mathematical statistics method.It was to producing
Journey is analyzed and evaluated, and finds the sign that system sexual factor occurs in time according to feedback information, and take measures to eliminate its influence,
Process is set to maintain the slave mode only influenced by random factor, to achieve the purpose that control quality.
When process is only influenced by enchancement factor, process is in state in cont rol；When there is system factor in the process
When influence, process is in statistics runaway condition.Since process variation has statistical regularity, when controlled process, process characteristic
Generally obey stable random distribution；And when out of control, process distribution will change.SPC is exactly the statistics for utilizing process variation
Regularity carries out analysis and Control to process.Thus, it emphasizes that process is run in the state of controlled and capable, to make product
Steadily meet the requirement of customer with service.
Implement SPC to be divided to be two stages, first is that the analysis phase, second is that monitor stages.
Analysis phase analyzes process with SPC tool, such as draws analysis control figure；It takes based on the analysis results
Requisite measure: may need eliminate during system sexual factor, it is also possible to need management level intervention come reduce process with
Machine is fluctuated to meet the needs of process capability.First have to carry out work be Operational preparation, i.e., raw material needed for production process,
Labour, equipment, measuring system etc. are prepared according to standard requirements.It can be carried out, pay attention to certain after the completion of Operational preparation
Ensure to produce is carried out in the case where each element for influencing production is without exception；Then the number that can be collected with production process
It according to control limit is calculated, is made into analysis control figure, histogram or carries out process capability analysis, examine whether production process is located
It is whether enough in state of statistical control and process capability.If any one is not able to satisfy, reason is had to look for, is improved,
And prepare production and analysis again.Two purposes until having reached the analysis phase, then the analysis phase can end, and enter
SPC monitor stages.
Monitor stages are monitored process with control figure.Groundwork is to be monitored using control with control figure.This
When control figure control limit determine that the data of production process are plotted to control in time according to the result of analysis phase
On, and close observation control figure, the fluctuation situation at control figure midpoint can show controlled process or out of control, if it find that losing
Control, it is necessary to find reason and eliminate its influence as early as possible.Monitoring can fully demonstrate the effect of SPC prevention and control.
In the practical application of factory, for each item controlled, it is necessary to pass through the two above stage, and in necessity
When can repeat in this way from the process for analyzing monitoring.
Regardless of in the analysis phase, still in monitor stages, the data that production process is collected all are that SPC is able to smoothly implement
Key, with the development of technology, the combination of SPC and computer technology especially network technology are more and more closer.It is being machined
Higher to the demand for control of processing quality in the geometry process of product especially precision bearing, timely sample collection is correct
Data be particularly important.Existing data means are mainly manifested in what existing SPC process used there is also many defects
Displacement sensing Port Multiplier is all only to have single brand interface, lacks interchangeability, this can bring a series of efficiency, precision and at
This problem of, while Data correction in the prior art relies on host computer to realize, or at all without data correcting function, number
Guarantee is unable to get according to collection efficiency and reliability.
Summary of the invention
Based on this, it is necessary in view of the above-mentioned problems, a kind of high-accuracy displacement sensing Port Multiplier of digitalized S PC is provided, including
Master controller, SPC displacement sensor and eeprom memory, the master controller be equipped with communications protocol identification matching module,
Measurement data correction module and data converting transmission module, the master controller is additionally provided with to be connected with communications protocol identification matching module
It the SPC displacement sensor interface that connects, the calibration data memory interface being connect with measurement data correction module and is passed with data conversion
The USB interface of defeated module connection, the SPC displacement sensor interface are connect with the output interface of SPC displacement sensor, the school
Quasi- data memory interface is connect with eeprom memory, further includes recording the first calibration knob of online calibration data point and with
One calibration knob fits into or exits the second calibration knob of on-line correction mode, first calibration knob and the second calibration
Button is connect with measurement data correction module.
Preferably, the SPC displacement sensor interface includes DigiMatic interface and/or serial line interface.
Preferably, the master controller, which is additionally provided with, indicates communications protocol identification matching mould by knockdown flashing mode
The LED light of sensor type and working condition that block identifies.
A kind of data transmission method using the high-accuracy displacement sensing Port Multiplier of above-mentioned digitalized S PC, SPC displacement sensor
It is connect with SPC displacement sensor interface, communications protocol identifies the type and communication protocols of matching module identification SPC displacement sensor
View, communications protocol identify that matching module receive with the parameter settings such as the matched baud rate of SPC displacement sensor, master controller
The measurement data of SPC displacement sensor input, data conversion transmission module format the measurement data of input, data
Measurement data after conversion is output to host by USB interface with unified format by converting transmission module.
A kind of online data bearing calibration using the high-accuracy displacement sensing Port Multiplier of above-mentioned digitalized S PC, presses first
Calibration knob and the second calibration knob, measurement data correction module enter on-line correction mode, then click the first calibration knob,
Measurement data correction module records the zero point of measurement data, then clicks the first calibration knob, measurement data correction module record
The upper change point of measurement data, then the first calibration knob is clicked, measurement data correction module records the middle site of measurement data, then
The first calibration knob is clicked, measurement data correction module records a quarter point of measurement data, then clicks the first calibration
Button, measurement data correction module record 3/4ths points of measurement data, successively carry out equinoctial measurement data record, directly
To meter Man Baci, while two buttons of the first calibration knob and the second calibration knob are pressed, measurement data correction module will record
Measurement data be saved in eeprom memory, complete correction.
A kind of data transmission method using aforementioned data on-line correction method, SPC displacement sensor and SPC displacement sensing
The connection of device interface, communications protocol identify the type and communication protocol of matching module identification SPC displacement sensor, communications protocol identification
Matching module carries out and the parameter settings such as the matched baud rate of SPC displacement sensor, and it is defeated that master controller receives SPC displacement sensor
The measurement data of input is sent to measurement data correction module and is corrected by the measurement data entered, master controller, measurement data
The measurement data after correction is sent data conversion transmission module by correction module, and data conversion transmission module is to the survey after correction
Amount data format, and data conversion transmission module is defeated by USB interface by the measurement data after conversion with unified format
Host is arrived out.
In the online data bearing calibration of the high-accuracy displacement sensing Port Multiplier of digitalized S PC according to the present invention, preferably
When measurement data correction module enters on-line correction mode, LED light is arranged with half second each frequency scintillation in ground.
The high-accuracy displacement sensing Port Multiplier of digitalized S PC according to the present invention is especially accurate for being machined product
The Manufacture quality control of bearing.The high-accuracy displacement sensing Port Multiplier of digitalized S PC according to the present invention, master controller it is adaptive
Embedded software is when plugging SPC displacement sensor, so that it may which the automatic identification and matching for carrying out communications protocol is not necessarily to people
Work intervention reduces the technical difficulty requirement of user.The high-accuracy displacement sensing Port Multiplier of digitalized S PC according to the present invention adapts to
It is wide, a variety of SPC displacement sensors, the including but not limited to various positions of DigiMatic interface and/or serial line interface can be integrated
Displacement sensor adaptively copes with a variety of SPC displacement sensor interfaces of DigiMatic interface, serial line interface specification, has accomplished true
Positive interoperability and hot plug realizes the exchange intercommunication of the SPC displacement sensor of a variety of digital interface types；It realizes simultaneously
The measurement data of SPC displacement sensor is promptly and accurately uploaded into main frame, as long as one plugs compatible SPC displacement sensing
Device, data in a unified format, can be uploaded on main frame by USB interface.SPC control process is improved to adopt
The efficiency and precision of collection transmission data, also reduce use cost.
The high-accuracy displacement sensing Port Multiplier of digitalized S PC according to the present invention, while being capable of on-line correction SPC displacement measurement
Data, on-line correction mode pass through the first calibration knob of button on simple plate by the way of dichotomy least square fitting
With the operation of the second calibration knob, real-time control measurement data correction module measures Data correction, and by measurement data school
Positive module carries out the result after the operation of dichotomy least square fitting and stores into the eeprom memory on plate, even if power down
It does not lose.The efficiency and precision of SPC control process acquisition transmission data are improved, use cost is also reduced.It realizes simultaneously
Online data correction, further improves the efficiency of data collection, ensure that the reliability of data.
Detailed description of the invention
Fig. 1 is the high-accuracy displacement sensing Port Multiplier schematic diagram of digitalized S PC of the embodiment of the present invention.
Fig. 2 is that the data transmission method step of the high-accuracy displacement sensing Port Multiplier of digitalized S PC of the embodiment of the present invention is shown
It is intended to.
Fig. 3 is the online data bearing calibration step of the high-accuracy displacement sensing Port Multiplier of digitalized S PC of the embodiment of the present invention
Rapid schematic diagram.
Fig. 4 is the data transmission method step schematic diagram using aforementioned data on-line correction method of the embodiment of the present invention.
1 SPC displacement sensor 5 of master controller
Communications protocol identifies 11 eeprom memory 6 of matching module
12 first calibration knob 71 of measurement data correction module
13 second calibration knob 72 of data conversion transmission module
2 LED light 8 of SPC displacement sensor interface
3 host 9 of calibration data memory interface
USB interface 4
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing to the present invention
Specific embodiment be described in detail.Many details are explained in the following description in order to fully understand this hair
It is bright.But the invention can be embodied in many other ways as described herein, those skilled in the art can be not
Similar improvement is done in the case where violating intension of the present invention, therefore the present invention is not limited by the specific embodiments disclosed below.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more phases
Any and all combinations of the listed item of pass.
Embodiment 1
The embodiment of the invention provides a kind of high-accuracy displacement sensing Port Multipliers of digitalized S PC referring to FIG. 1-2, including
Master controller 1, SPC displacement sensor 5 and eeprom memory 6, the master controller 1 are equipped with communications protocol and identify matching module
11, measurement data correction module 12 and data converting transmission module 13, the master controller 1 are additionally provided with and communications protocol identification
The SPC displacement sensor interface 2 connected with module 11, the calibration data memory interface 3 being connect with measurement data correction module 12
With the USB interface 4 being connect with data conversion transmission module 13.Output interface and the SPC displacement of the SPC displacement sensor 5 pass
Sensor interface 2 connects, and the eeprom memory 6 is connect with calibration data memory interface 3.
The high-accuracy displacement sensing Port Multiplier of digitalized S PC further include record online calibration data point first calibration by
Button 71 and the second calibration knob 72 for fitting into or exiting on-line correction mode with the first calibration knob 71, first calibration
Button 71 and the second calibration knob 72 are connect with measurement data correction module 12.
As a kind of high-accuracy displacement sensing Port Multiplier of digitalized S PC according to an embodiment of the present invention, the SPC displacement
Displacement data of the sensor 5 for measuring device moving component such as workpiece, cutter etc., the interface type packet of SPC displacement sensor 5
Include but be not limited to DigiMatic interface and/or serial line interface, correspondingly, the SPC displacement sensor interface 2 also include but
It is not limited to DigiMatic interface and/or serial line interface.
As a kind of high-accuracy displacement sensing Port Multiplier of digitalized S PC according to an embodiment of the present invention, the main control
Device 1 is additionally provided with the sensor type identified by knockdown flashing mode instruction communications protocol identification matching module 11 and work
Make the LED light 8 of state.LED light 8 is arranged three on the circuit board of master controller 1, according to the position SPC identified
5 type of displacement sensor is combined, with the type and working condition of the flashing mode instruction current sensor of various combination.
A kind of data transmission method using the high-accuracy displacement sensing Port Multiplier of above-mentioned digitalized S PC comprising following step
It is rapid:
Step S11:SPC displacement sensor 5 is connect with SPC displacement sensor interface 2, and SPC displacement sensor 5 is according to used
Measurer it is different, interface type has DigiMatic interface or serial line interface or other types of interface, correspondingly, SPC is displaced
Sensor interface 2 also includes DigiMatic interface or serial line interface or other types of interface, and SPC used is displaced and is passed
5 interface of sensor and the SPC displacement sensor interface 2 of corresponding types connect.
Step S12: communications protocol identifies that matching module 11 identifies the type and communication protocol of SPC displacement sensor 5, communication
Protocol identification matching module 11 is analyzed and determined according to the data-signal detected, identifies SPC displacement sensor 5 used
Type and communication protocol.
Step S13: communications protocol identifies that matching module 11 carries out and the parameters such as the matched baud rate of SPC displacement sensor 5
Setting, according to the type and communication protocol of the SPC displacement sensor 5 identified, communications protocol identifies matching module 11 to master control
Device 1 processed carries out the parameter setting of data receiver format.
Step S14: master controller 1 receives the measurement data that SPC displacement sensor 5 inputs, according to communications protocol identification
With the parameter that module 11 is set, the processing routine of master controller 1 switches into specific data receiver mode.
The measurement data of step S15: 13 pairs of data conversion transmission module inputs formats, and master controller 1 is connect
The measurement data of receipts is handled according to the requirement of subsequent transmission and processing, is converted into preset unified format.
Step S16: data conversion transmission module 13 is defeated by USB interface 4 by the measurement data after conversion with unified format
Host 9 is arrived out, for the storage of subsequent data, analysis and display, and is further passed according to use demand to particular terminal or SPC cloud
It is defeated.
As a kind of high-accuracy displacement sensing Port Multiplier of digitalized S PC according to an embodiment of the present invention, for being machined
The Manufacture quality control of product especially precision bearing.The high-accuracy displacement of a kind of digitalized S PC according to an embodiment of the present invention passes
Feel Port Multiplier, the adaptive feed-forward network formula software of master controller 1 is when plugging SPC displacement sensor 5, so that it may automatic to carry out
The identification and matching of communications protocol are not necessarily to manual intervention, reduce the technical difficulty requirement of user.One kind of the embodiment of the present invention
The high-accuracy displacement sensing Port Multiplier adaptation of digitalized S PC is wide, can integrate a variety of SPC displacement sensors, including but not limited to
The various displacement sensors of DigiMatic interface and/or serial line interface adaptively cope with DigiMatic interface, serial line interface rule
A variety of SPC displacement sensor interfaces of model, have accomplished real interoperability and hot plug, realize a variety of digital interface types
The exchange intercommunication of SPC displacement sensor；It realizes simultaneously and the measurement data of SPC displacement sensor is promptly and accurately uploaded into calculating
Machine host 9, as long as one plugs compatible SPC displacement sensor 5, data can by USB interface 4, in a unified format, on
It passes on main frame 9.The efficiency and precision of SPC control process acquisition transmission data are improved, use cost is also reduced.
Embodiment 2
Fig. 1, Fig. 3-4 is please referred to, the embodiment of the invention provides a kind of high-accuracy displacement sensing Port Multiplier of digitalized S PC,
Including master controller 1, SPC displacement sensor 5 and eeprom memory 6, the master controller 1 is equipped with communications protocol identification matching
Module 11, measurement data correction module 12 and data converting transmission module 13, the master controller 1 is additionally provided with to be known with communications protocol
The SPC displacement sensor interface 2 of the other connection of matching module 11, the calibration data storage connecting with measurement data correction module 12 connect
Mouth 3 and the USB interface 4 being connect with data conversion transmission module 13, the SPC displacement sensor interface 2 and SPC displacement sensor
5 output interface connection, it further includes recording online correction number that the calibration data memory interface 3 is connect with eeprom memory 6
First calibration knob 71 at strong point and with the first calibration knob 71 fit into or exit on-line correction mode second calibration by
Button 72, first calibration knob 71 and the second calibration knob 72 are connect with measurement data correction module 12.
As a kind of high-accuracy displacement sensing Port Multiplier of digitalized S PC according to an embodiment of the present invention, the SPC displacement
Displacement data of the sensor 5 for measuring device moving component such as workpiece, cutter etc., the interface type packet of SPC displacement sensor 5
Include but be not limited to DigiMatic interface and/or serial line interface, correspondingly, the SPC displacement sensor interface 2 also include but
It is not limited to DigiMatic interface and/or serial line interface.
As a kind of high-accuracy displacement sensing Port Multiplier of digitalized S PC according to an embodiment of the present invention, the main control
Device 1 is additionally provided with the sensor type identified by knockdown flashing mode instruction communications protocol identification matching module 11 and work
Make the LED light 8 of state.LED light 8 is arranged three on the circuit board of master controller 1, according to the position SPC identified
5 type of displacement sensor is combined, with the type and working condition of the flashing mode instruction current sensor of various combination.
The present embodiment and the main distinction of embodiment 1 are, according to the first calibration knob 71 and the second calibration knob 72
Operation control, the running of the hardware and module of the high-accuracy displacement sensing Port Multiplier of this digitalized S PC is reconfigured,
To measure the correction of data online, and it is transferred through the measurement data after on-line correction.
A kind of online data bearing calibration using the high-accuracy displacement sensing Port Multiplier of above-mentioned digitalized S PC comprising with
Lower step:
Step S21: pressing the first calibration knob 71 and the second calibration knob 72, and measurement data correction module 12 enters online
Correction mode, the processing routine of master controller 1 switches into dichotomy least square fitting mode operation program and starts at this time
Measurement data correction module 12 is controlled according to further operation note calibration data point.
Step S22: clicking the first calibration knob 71 again, and measurement data correction module 12 records the zero point of measurement data,
This measurement data points is the subsequent data area starting point for carrying out the mode operation of dichotomy least square fitting.
Step S23: clicking the first calibration knob 71 again, and measurement data correction module 12 records the upper limit of measurement data
Point, this measurement data points are the subsequent data area terminals for carrying out the mode operation of dichotomy least square fitting.
Step S24: clicking the first calibration knob 71 again, and measurement data correction module 12 records the middle position of measurement data
Point, this measurement data points are the subsequent data area equinoxs for carrying out the mode operation of dichotomy least square fitting.
Step S25: clicking the first calibration knob 71 again, measurement data correction module 12 record measurement data four/
A bit, this measurement data points is a quarter point of the subsequent data area for carrying out the mode operation of dichotomy least square fitting.
Step S26: clicking the first calibration knob 71 again, measurement data correction module 12 record measurement data four/
3 points, this measurement data points is subsequent data area four/tri- point for carrying out the mode operation of dichotomy least square fitting.
Step S27: successively carrying out equinoctial measurement data record, until counting Man Baci, obtain carrying out to data value into
Eight two points of each data points of row and its data area of division.
Step S28: while 72 two buttons of the first calibration knob 71 and the second calibration knob are pressed, to 1 He of master controller
Measurement data correction module 12, which issues, terminates the instruction that data point is divided and recorded.
Step S29: the measurement data of record is saved in eeprom memory 6 by measurement data correction module 12, is completed
Correction.
When measurement data correction module 12 enters on-line correction mode, master controller 1 controlled LED light 8 with half second
Each frequency scintillation.
A kind of data transmission method using aforementioned data on-line correction method comprising following steps:
Step S31:SPC displacement sensor 5 is connect with SPC displacement sensor interface 2, and SPC displacement sensor 5 is according to used
Measurer it is different, interface type has DigiMatic interface or serial line interface or other types of interface, correspondingly, SPC is displaced
Sensor interface 2 also includes DigiMatic interface or serial line interface or other types of interface, and SPC used is displaced and is passed
5 interface of sensor and the SPC displacement sensor interface 2 of corresponding types connect.
Step S32: communications protocol identifies that matching module 11 identifies the type and communication protocol of SPC displacement sensor 5, communication
Protocol identification matching module 11 is analyzed and determined according to the data-signal detected, identifies SPC displacement sensor 5 used
Type and communication protocol.
Step S33: communications protocol identifies that matching module 11 carries out and the parameters such as the matched baud rate of SPC displacement sensor 5
Setting, according to the type and communication protocol of the SPC displacement sensor 5 identified, communications protocol identifies matching module 11 to master control
Device 1 processed carries out the parameter setting of data receiver format.
Step S34: master controller 1 receives the measurement data that SPC displacement sensor 5 inputs, according to communications protocol identification
With the parameter that module 11 is set, the processing routine of master controller 1 switches into specific data receiver mode.
Step S35: the measurement data of input is sent to measurement data correction module 12 and is corrected by master controller 1, is surveyed
Amount Data correction module 12 calls the correction data being saved in eeprom memory 6 to be corrected this measurement data.
Step S36: the measurement data after correction is sent data conversion transmission module 13 by measurement data correction module 12.
Measurement data after step S37: 13 pairs of data conversion transmission module corrections formats, the survey that will be received
Amount data are handled according to the requirement of subsequent transmission and processing, are converted into preset unified format.
Step S38: data conversion transmission module 13 is defeated by USB interface 4 by the measurement data after conversion with unified format
Host 9 is arrived out, for the storage of subsequent data, analysis and display, and is further passed according to use demand to particular terminal or SPC cloud
It is defeated.
As a kind of high-accuracy displacement sensing Port Multiplier of digitalized S PC according to an embodiment of the present invention, for being machined
The Manufacture quality control of product especially precision bearing.The high-accuracy displacement of a kind of digitalized S PC according to an embodiment of the present invention passes
Feel Port Multiplier, the adaptive feed-forward network formula software of master controller 1 is when plugging SPC displacement sensor 5, so that it may automatic to carry out
The identification and matching of communications protocol are not necessarily to manual intervention, reduce the technical difficulty requirement of user.One kind of the embodiment of the present invention
The high-accuracy displacement sensing Port Multiplier adaptation of digitalized S PC is wide, can integrate a variety of SPC displacement sensors, including but not limited to
The various displacement sensors of DigiMatic interface and/or serial line interface adaptively cope with DigiMatic interface, serial line interface rule
A variety of SPC displacement sensor interfaces of model, have accomplished real interoperability and hot plug, realize a variety of digital interface types
The exchange intercommunication of SPC displacement sensor；It realizes simultaneously and the measurement data of SPC displacement sensor is promptly and accurately uploaded into calculating
Machine host 9, as long as one plugs compatible SPC displacement sensor 5, data can by USB interface 4, in a unified format, on
It passes on main frame 9.The efficiency and precision of SPC control process acquisition transmission data are improved, use cost is also reduced.
As a kind of high-accuracy displacement sensing Port Multiplier of digitalized S PC according to an embodiment of the present invention, while can be online
SPC displacement measurement data are corrected, on-line correction mode is by the way of dichotomy least square fitting, by pressing on simple plate
The operation of button the first calibration knob 71 and the second calibration knob 72, real-time control measurement data correction module 12 measure data
Correction, and measurement data correction module 12 is carried out in the result storage to plate after the operation of dichotomy least square fitting
In eeprom memory 6, do not lost power down.The efficiency and precision of SPC control process acquisition transmission data are improved,
Reduce use cost.Online data correction is realized simultaneously, is further improved the efficiency of data collection, be ensure that data
Reliability.
Therefore above-described embodiment only expresses embodiments of the present invention, and the description thereof is more specific and detailed, but can not be
And it is interpreted as limitations on the scope of the patent of the present invention.It should be pointed out that for those of ordinary skill in the art, not
Under the premise of being detached from present inventive concept, various modifications and improvements can be made, and these are all within the scope of protection of the present invention.Cause
This, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (7)
1. a kind of high-accuracy displacement sensing Port Multiplier of digitalized S PC, which is characterized in that passed including master controller (1), SPC displacement
Sensor (5) and eeprom memory (6), the master controller (1) are equipped with communications protocol and identify matching module (11), measurement data
Correction module (12) and data converting transmission module (13), the master controller (1), which is additionally provided with, matches mould with communications protocol identification
The SPC displacement sensor interface (2) of block (11) connection, the calibration data memory interface being connect with measurement data correction module (12)
(3) and with data conversion transmission module (13) USB interface (4) connecting, the SPC displacement sensor interface (2) and SPC are displaced
The output interface of sensor (5) connects, and the calibration data memory interface (3) connect with eeprom memory (6), further includes note
It records the first calibration knob (71) of on-line correction data point and fits into or exit on-line correction with the first calibration knob (71)
The second calibration knob (72) of mode, first calibration knob (71) and the second calibration knob (72) and measurement data straightening die
Block (12) connection.
2. the high-accuracy displacement sensing Port Multiplier of a kind of digitalized S PC according to claim 1, which is characterized in that described
SPC displacement sensor interface (2) includes DigiMatic interface and/or serial line interface.
3. the high-accuracy displacement sensing Port Multiplier of a kind of digitalized S PC according to claim 1, which is characterized in that described
Master controller (1) is additionally provided with the sensing identified by knockdown flashing mode instruction communications protocol identification matching module (11)
The LED light (8) of device type and working condition.
4. a kind of data using such as the high-accuracy displacement sensing Port Multiplier of digitalized S PC any one of claims 1 to 3 are transmitted
Method, which is characterized in that SPC displacement sensor (5) is connect with SPC displacement sensor interface (2), communications protocol identification matching mould
Block (11) identifies that the type and communication protocol of SPC displacement sensor (5), communications protocol identify matching module (11) progress and SPC
The matched baud rate parameter setting of displacement sensor (5), master controller (1) receive the measurement number of SPC displacement sensor (5) input
According to data conversion transmission module (13) formats the measurement data of input, and data conversion transmission module (13) is to unite
Measurement data after conversion is output to host (9) by USB interface (4) by one format.
5. a kind of online data using such as the high-accuracy displacement sensing Port Multiplier of digitalized S PC any one of claims 1 to 3
Bearing calibration, which is characterized in that press the first calibration knob (71) and the second calibration knob (72), measurement data correction module
(12) enter on-line correction mode, then click the first calibration knob (71), measurement data correction module (12) record measurement number
According to zero point, then click the first calibration knob (71), measurement data correction module (12) records the upper change point of measurement data, then
It clicks the first calibration knob (71), measurement data correction module (12) records the middle site of measurement data, then clicks first
Calibration knob (71), measurement data correction module (12) record measurement data a quarter point, then click the first calibration by
Button (71), measurement data correction module (12) record 3/4ths points of measurement data, successively carry out equinoctial measurement data
Record until counting Man Baci, while pressing (72) two buttons of the first calibration knob (71) and the second calibration knob, measurement data
The measurement data of record is saved in eeprom memory (6) by correction module (12), completes correction.
6. a kind of data transmission method using online data bearing calibration described in claim 5, which is characterized in that SPC displacement
Sensor (5) is connect with SPC displacement sensor interface (2), and communications protocol identifies that matching module (11) identify SPC displacement sensor
(5) type and communication protocol, communications protocol identify that matching module (11) carry out and SPC displacement sensor (5) matched baud
Rate parameter setting, master controller (1) receive the measurement data of SPC displacement sensor (5) input, and master controller (1) is by input
Measurement data is sent to measurement data correction module (12) and is corrected, and measurement data correction module (12) is by the measurement after correction
Data are sent to data conversion transmission module (13), and data conversion transmission module (13) carries out format to the measurement data after correction
Measurement data after conversion is output to host by USB interface (4) with unified format by conversion, data conversion transmission module (13)
(9)。
7. online data bearing calibration according to claim 5, which is characterized in that measurement data correction module (12) enters
When on-line correction mode, LED light (8) were set with half second each frequency scintillation.
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| JPS62226308A (en) * | 1986-03-28 | 1987-10-05 | Fanuc Ltd | Control system for robot having visual sensor |
| CN202885795U (en) * | 2012-05-08 | 2013-04-17 | 无锡艾立德智能科技有限公司 | High-precision displacement measuring instrument |
| CN103149899A (en) * | 2013-02-01 | 2013-06-12 | 华迪计算机集团有限公司 | Grain bin intelligent sensor integration terminal |
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2016
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62226308A (en) * | 1986-03-28 | 1987-10-05 | Fanuc Ltd | Control system for robot having visual sensor |
| CN202885795U (en) * | 2012-05-08 | 2013-04-17 | 无锡艾立德智能科技有限公司 | High-precision displacement measuring instrument |
| CN103149899A (en) * | 2013-02-01 | 2013-06-12 | 华迪计算机集团有限公司 | Grain bin intelligent sensor integration terminal |
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