CN104457624A - Double-laser-device based radiator aluminum tube straightness measurement system and method - Google Patents
Double-laser-device based radiator aluminum tube straightness measurement system and method Download PDFInfo
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- CN104457624A CN104457624A CN201410833265.XA CN201410833265A CN104457624A CN 104457624 A CN104457624 A CN 104457624A CN 201410833265 A CN201410833265 A CN 201410833265A CN 104457624 A CN104457624 A CN 104457624A
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Abstract
Provided is a double-laser-device based radiator aluminum tube straightness measurement system. A lead screw type moving guide rail connected with a stepping motor is arranged on a guide rail platform and performs linear motion on a guide rail groove. A displacement sensor is arranged on the moving guide rail. Position sensing probes are arranged on two sides of the double-laser-device displacement sensor. A lower computer data acquisition system is arranged behind the stepping motor and the double-laser-device displacement sensor and is connected with an upper computer data processing system. The measuring steps are that the lower computer data acquisition system control operation of a device through an interface circuit; the moving guide rail performs reciprocating linear motion in the guide rail groove, the displacement sensor on the moving guide rail simultaneously conducts straightness measurement on the front side and the lateral sides of a to-be-measured radiator aluminum tube clamped by a chuck; the position sensing probes achieves twice measurement in the measurement process; a feedback signal and an operation signal of the stepping motor are sent to the upper computer data processing system to be processed. The double-laser-device based radiator aluminum tube straightness measurement system is compact in structure and high in automation degree and measurement accuracy.
Description
Technical field
The invention belongs to field of precision measurement, be specifically related to a kind of heating radiator aluminum pipe straight line degree measurement system based on twin-laser and measuring method thereof.
Background technology
Heating radiator aluminum pipe linearity is one of important parameter of this product, and the measuring method of current heating radiator aluminum pipe linearity mainly contains two kinds, and the first adopts massive plate to add the method for feeler gauge, and it two is adopt three-coordinates measuring machine to measure.
First method is naturally positioned on massive plate by tested radiator tube, that cause due to the bending of radiator tube and between massive plate gap is measured with feeler gauge, and this value is converted into the linearity of heating radiator aluminum pipe, although the method is simple to operate, but measuring accuracy is not high, measurement result is affected by human factors greatly.
Three-coordinates measuring machine in second method is a kind of high-level efficiency fine measuring instrument grown up in the last thirty years, and its resolution and indicating accuracy are more than micron order.The basic functional principle of three-coordinates measuring machine is: the measurement space measured part being put into three-coordinates measuring machine, adopt and computerized control, by the detection of probe (through necessarily combining), the probe reference mark coordinate that a series of and tested geometric element has direct relation can be obtained, according to the spatial value of these points, the computing machine carried through measuring instrument and software obtain the physical dimension of tested element, the scale error of mutual position dimension and existence and Form and position error automatically by certain mathematical operation.Three-coordinates measuring machine has high precision and the feature such as high-level efficiency, intellectually and automatically, but to there is equipment complexity huge simultaneously, expensive, not easy care, requires the problems such as high to operating personnel's professional qualities, causes measuring cost and remains high.
Summary of the invention
For overcoming above-mentioned the deficiencies in the prior art, the object of this invention is to provide a kind of heating radiator aluminum pipe straight line degree measurement system based on twin-laser and measuring method thereof, the present invention adopts laser displacement sensor as displacement data survey sensor, on the basis remaining the plurality of advantages comprising the traditional line degree measuring methods such as application marble platform, adopt stepper motor to drive reciprocating the horizontally slipping of the double excitation non-contact displacement transducer be fixed on sliding platform to carry out front and the measurement of sided linear degree simultaneously, one time normal measurement process comprises twice DATA REASONING back and forth, and the assembling through certain position of side laser instrument and positive planar laser, these measures can the stochastic error that causes of effective compensation extraneous factor, effectively improve measuring accuracy, in conjunction with advanced data acquisition system (DAS), all round computer data processing technique, automatic control technology, database technology and graphics technology, achieve the robotization to aluminum pipe front and side both direction linearity and intelligent measuring, and automatically show linearity displacement curve and generate examining report.Systemic-function is powerful, with strong points, man-machine interface simple, intuitive, intellectually and automatically degree is high, compact conformation, use and maintenance is simple and convenient, effectively can enhance productivity and measuring accuracy, and can conscientiously reduce enterprise's production cost, native system has and uses feature widely, may be used for vehicle intercooler aluminum pipe and there is the straight line degree measurement of mechanical component of similar outer shape, there is great Social benefit and economic benefit.
For achieving the above object, the technical solution used in the present invention is: a kind of heating radiator aluminum pipe straight line degree measurement system based on twin-laser, include the guide rail platform be located in marble platform, guide rail platform is provided with the screw type moving guide rail be connected with stepper motor 2, and moving guide rail does rectilinear motion on guide-track groove; The contactless double excitation displacement transducer of high precision is provided with above moving guide rail; Double excitation displacement transducer 4 both sides are provided with location sensitive probe; Slave computer data acquisition system (DAS) is provided with after stepper motor and double excitation displacement transducer; Slave computer data acquisition system (DAS) is connected with host computer data handling system;
Described location sensitive probe comprises leftward position inductive probe and right positions inductive probe; Double excitation displacement transducer comprises front laser displacement sensor, side laser displacement sensor.
Described slave computer data acquisition system (DAS) is connected with stepper motor; Be connected with leftward position inductive probe, right positions inductive probe; Be connected with front laser displacement sensor, side laser displacement sensor by control amplifier; Slave computer data acquisition system (DAS) is connected with display device, printer by host computer data handling system.
The microprocessor of described slave computer data acquisition system (DAS) adopts single-chip microcomputer or DSP.
Described slave computer data acquisition system (DAS) is furnished with scram button and safety apparatus.
Described stepper motor adopts common DC motor or permanent magnet brush direct current generator or permanent-magnet brushless DC electric machine or permagnetic synchronous motor or switched reluctance machines or asynchronous machine.
Described marble platform is provided with aluminum pipe and accommodates device, and it is magnetic conductive device that aluminum pipe accommodates device, and aluminum pipe is placed on aluminum pipe and accommodates on frame, is provided with and accommodates the contrary magnet of frame magnetic with aluminum pipe above aluminum pipe.
Described location sensitive probe can make stepper motor drive movable chuck to move to relevant position stopping or counter motion.
Based on the measuring method of the heating radiator aluminum pipe straight line degree measurement system of twin-laser, comprise the following steps:
1) the control software design interface of host computer data handling system is provided with control knob, clicks control knob by mouse, and send control command to the next machine data acquisition system, slave computer data acquisition system (DAS) is operated by interface circuit opertaing device;
2) stepper motor received orders drives screw type moving guide rail to do linear reciprocating motion on guide-track groove, high precision double excitation non-contact displacement transducer on moving guide rail carries out straight line degree measurement to the front of the heating radiator aluminum pipe to be measured of grips and side simultaneously, side laser instrument and positive planar laser after being parallel to each other and assembling, make its direction of measurement also parallel relation each other, the stochastic error that effective compensation extraneous factor causes;
3) displacement transducer on moving guide rail each side installs 2 location sensitive probes as boundary position sensor simultaneously, moving guide rail runs from left to right under the drive of stepper motor, when right positions inductive probe detects right margin, moving guide rail is made to stop immediately and do counter motion, when after counter motion, leftward position inductive probe detects left margin, make moving guide rail out of service, realize one of measuring process to have a try twice automatic measurement, each side install 2 location sensitives probe is prevent from one of them location sensitive from popping one's head in losing efficacy making the motion process of guide rail out of control and the machine breakdown that causes and the dangerous accident caused thus simultaneously,
4) displacement transducer, the feedback signal of location sensitive probe and the run signal of stepper motor send to host computer data handling system by data line after the process of slave computer data acquisition system (DAS); After the process of host computer data handling system, complete Drawing of Curve, fault detect, report printing, storage, data analysis.
Compared with prior art, the present invention has following obvious advantage:
This system is specially for automobile radiators aluminum pipe straight line degree measurement, adopt laser displacement sensor as displacement data survey sensor, on the basis remaining the plurality of advantages comprising the traditional line degree measuring methods such as application marble platform, adopt stepper motor to drive reciprocating the horizontally slipping of the double excitation non-contact displacement transducer be fixed on sliding platform to carry out front and the measurement of sided linear degree simultaneously, one time normal measurement process comprises twice DATA REASONING back and forth, and side laser instrument and positive planar laser are through assembling to parallel relation each other, these measures can the stochastic error that causes of effective compensation extraneous factor, comparatively one direction single measurement, effectively improve measuring accuracy and measure efficiency, in conjunction with advanced data acquisition system (DAS), all round computer data processing technique, automatic control technology, measure while achieving aluminum pipe front and side both direction linearity, only need simple for measured workpiece clamping just can be realized measure while aluminum pipe front and sided linear degree, whole process is simple and convenient, economy and facility.The man-machine interface simplicity of design of system, for the use and maintenance of tester brings convenience, as long as tester possesses basic computer functipnal capability just can carry out equipment operating and maintenance, man-machine interface possesses linearity displacement curve Presentation Function, the change of displacement degree can be shown in real time and automatic Calibration in measuring process, after measuring process terminates, displacement can be generated and to write music line, show aluminum pipe linearity situation of change intuitively.Whole system intellectually and automatically degree is high, test process automatically carries out, operating personnel only just can need operate complete for clamping workpiece, also automatically examining report can be generated after measurement completes, the examining report content generated is detailed truly also can provide test result automatically, and adopt cryptographic algorithm, can prevent from artificially changing report data.Whole system structure is simple, small volume, easy to maintenance, to operating personnel's professional qualities and space enrironment less demanding, compare existing aluminum pipe verticality measuring method, can effectively improve measuring accuracy and efficiency, conscientiously reduce production cost, and vehicle intercooler aluminum pipe can be widely used in and there is the straight line degree measurement of mechanical component of similar outer shape, there is great Social benefit and economic benefit.
1) first drive the mobile platform of fixing non-contact type high-precision double excitation displacement transducer automatically to move on its moving guide rail by stepper motor, the front of aluminum pipe and sided linear degree are measured simultaneously, greatly improves measuring accuracy and efficiency; The application of high precision non-contact laser displacement transducer ensures the stability of measuring accuracy and data;
2) one piece of fixed chuck be made up of the additional magnet of rolling bearing and one piece of movable chuck are set, ensure that aluminum pipe to be measured is in free laying state under clamping, greatly eliminate the measuring error that the distortion that causes due to clamping produces, improve the reliability of measurement result; Can realize easy to setup to the measurement of different cast;
3) setting position induction stop device, makes driven by motor movable chuck move to relevant position and stops or counter motion, improve the automaticity of system and the security of effective guarantee system under abnormal condition;
4) once normal testing process comprises twice laser detection back and forth, measured workpiece same position displacement degree has two measurement data, data processing adopts carries out computing to twice measured value of same position displacement degree, two data combine the generation that computing can effectively reduce error, and comparatively one direction single measurement efficiency and precision are significantly improved.
5) assembled by the specific position of side laser instrument and positive planar laser, two-sided detection is carried out simultaneously, can carry out effective compensation, further increase measuring accuracy to the error caused because of measured workpiece clamping position difference; Respectively pipe front and side amount of deflection are measured simultaneously by front and side double excitation displacement transducer, to improve measurement efficiency;
6) native system is with strong points, and be exclusively used in automobile radiators aluminum pipe, vehicle intercooler aluminum pipe and have the straight line degree measurement of mechanical component of similar outer shape, operating personnel are just easy to use without the need to higher computer operation level.
7) the computer operation interface function of native system is powerful, intuitive display, and intellectually and automatically degree is high, operates simple and easy to do.
8) the linearity report that native system generates adopts cryptographic algorithm, people effectively can be prevented for distorting measurement data, and automatically draw measurement conclusion according to examination criteria, improves data security with authoritative.
9) native system is by complicated data processing method, and the measurement data obtained can be accurate to micron order.
10) highly sensitive: on circuit, to adopt optimal design, reduce noise and electromagnetic interference simultaneously, sensitivity is improved.
11) computer operation interface is abundant in content, easy to operate, realizes automatically measuring, and measurement result is provided by the formal intuition of figure, form and report;
12) different naming methods can be adopted to carry out record to data store, storage format and common document format compatible, it is convenient that process is called in playback, and be convenient to subsequent analysis and compare, test data can export in many ways.
13) accuracy is high: native system adopts advanced method of calibration verification, provides the linearity curve of pin-point accuracy, improves confidence level and the precision of testing result.
14) reaction velocity is fast: adopt novel circuit configuration, the reaction velocity of instrument is accelerated, and this greatly improves detection efficiency.
15) built-in autodiagnosis function: native system has the function monitored instrument self duty.
16) good looking appearance: adopt optimization structure design, clamping workpiece is convenient, can measuring head duty directly perceived through glass door, and on plate face, all pushbutton switches have pilot lamp to show.
17) strong interference immunity: native system adopts full-shield, eliminates extraneous and interference own.
18) high stability: native system supply voltage degree of stability is high, and temperature rise is low, and thermal losses is little, Heat stability is good.Within instrument service time, native system zero point drift and span drift little.
19) reproducible: its result of native system repetitive measurement is reproducible.
20) reliable good high: native system circuit structure is reasonable; Adopt import components and parts, and strictly screen, be also furnished with overcurrent in addition. short-circuit protection and emergency stop switch.Therefore, the mean free error time obviously increases.
The present invention is powerful, compact conformation, reliable, man-machine interface simple, intuitive, and use and maintenance is simple and convenient, high precision and high-level efficiency, the features such as intellectually and automatically, can effectively reduce enterprise's production cost.
Accompanying drawing explanation
Fig. 1 is system construction drawing of the present invention.
Fig. 2 is control circuit block diagram of the present invention.
Fig. 3 is operation interface display figure in embodiment.
Embodiment
Below in conjunction with the example that accompanying drawing and inventor provide, the present invention is described in further detail.
The present invention includes hardware components and software section:
One, hardware components
1) first guide rail platform is set in marble platform, screw type moving guide rail is driven to do rectilinear motion on guide-track groove by stepper motor, the contactless double excitation displacement transducer of high precision be arranged on guide rail moves thereupon, displacement transducer both sides installation position inductive probe, realizes the functions such as twin-laser counter motion and stopping.
2) double excitation displacement transducer is measured the front of aluminum pipe and the linearity of side by the change of displacement simultaneously.
3) once normal testing process comprises twice laser detection back and forth, and data processing adopts carries out computing to twice measured value of same position displacement degree, and comparatively one direction single measurement efficiency and precision are significantly improved.
4) assembled by the specific position of side laser instrument and positive planar laser, effective compensation can be carried out to the error caused because of measured workpiece clamping position difference, further increase measuring accuracy.
Two, software section
1) first arranging with microprocessor after stepper motor and twin-laser displacement transducer is the slave computer data acquisition system (DAS) of core, is used for image data, calculating, process, and carries out instant messaging with host computer data handling system;
Secondly 2) the host computer data handling system that take personal computer as core is set after slave computer data acquisition system (DAS), by the data analysis transmitted slave computer, process, calculate, draw required every real time data in measuring process, Mobile state of going forward side by side display and Drawing of Curve, real-time monitoring system ruuning situation is carried out by the computing power that host computer data handling system is powerful, realize malfunction monitoring, data processing, report generation, prints and stores, the various extended functions such as control in real time;
Above-mentioned slave computer data acquisition system (DAS) control center mainly comprises the servicing units such as one piece of control circuit board and its electric power system, and control circuit board is provided with microprocessor, microprocessor can adopt the device such as single-chip microcomputer, DSP.Microprocessor is by gathering the sided linear degree of bidifly shaven head feedback, front linearity displacement signal and stepper motor moving displacement signal, position induction device feedback signal by interface and filtering circuit; The data of process are exported to host computer data handling system by data transmission interface and are accepted the control signal of host computer data handling system feedback by microprocessor, and the control signal of reception is through photoelectric isolating device and the start and stop of driving circuit control step motor.Slave computer data acquisition system (DAS) is furnished with scram button and safety apparatus simultaneously, and effective guarantee measures safety.
Above-mentioned host computer data handling system mainly comprises a desktop PC.The displacement signal that slave computer data acquisition system (DAS) will collect, stepper motor CRANK PULSES, location sensitive pops one's head in feedback signal by data line transfer to host computer data handling system, then host computer data handling system carries out data analysis to it, process, calculate, display, judge that whether system running state is normal, and adopt complicated computing method to draw various high-precision real time data in measuring process, and show in real time in man-machine interface, simultaneously the control signal of operation interface in display device sends to slave computer data acquisition system (DAS) to be used for the startup of control system and stopping by host computer data handling system, simultaneously after having measured at every turn, host computer data handling system generates examining report automatically, and carry out storing and printing, thus realize complete measuring process.
The present invention adopts high precision laser displacement sensor as linearity DATA REASONING sensor, on the basis remaining the plurality of advantages comprising the traditional line degree measuring methods such as application marble platform, adopt stepper motor to drive reciprocating the horizontally slipping of the double excitation non-contact displacement transducer be fixed on sliding platform to carry out front and the measurement of sided linear degree simultaneously, and once normal measuring process comprises twice DATA REASONING back and forth, improves measuring accuracy and efficiency with this; Adopting the additional magnet of rolling bearing to do the grasping system of pipe to be measured, ensureing that pipe is in free laying state, in the hope of reducing measuring error under gripping; Setting position induction stop device, make driven by motor movable chuck move to relevant position and stop or counter motion, effective guarantee system stable operation also improves its automaticity; In conjunction with advanced data acquisition system (DAS), all round computer data processing technique, automatic control technology, database technology and graphics technology, achieve the robotization to aluminum pipe front and side both direction linearity and intelligent measuring, various real time data in dynamic display measurement process and displacement curve, can also examining report be generated after measurement completes and carry out data storage, being conducive to manufacturer and carrying out data analysis and quality management.
See Fig. 1, a kind of heating radiator aluminum pipe straight line degree measurement system based on twin-laser, include the guide rail platform 1 be located in marble platform, guide rail platform is provided with the screw type moving guide rail 3 be connected with stepper motor 2, and moving guide rail 3 does rectilinear motion on guide-track groove; The contactless double excitation displacement transducer 4 of high precision is provided with above moving guide rail 3; Double excitation displacement transducer 4 both sides are provided with location sensitive probe 5; Slave computer data acquisition system (DAS) 7 is provided with after stepper motor 2 and double excitation displacement transducer 4; Slave computer data acquisition system (DAS) is connected with host computer data handling system 6;
Described host computer data handling system includes control circuit board and electric power system; Control circuit board is provided with microprocessor, by being gathered the sided linear degree of bidifly shaven head feedback by interface and filtering circuit, front linearity displacement signal and stepper motor moving displacement signal, position induction device feedback signal; The data of process are exported to host computer data handling system by data transmission interface and are accepted the control signal of host computer data handling system feedback by microprocessor, and the control signal of reception is through photoelectric isolating device and the start and stop of driving circuit control step motor.
Described location sensitive probe comprises leftward position inductive probe and right positions inductive probe; Double excitation displacement transducer comprises front laser displacement sensor, side laser displacement sensor.
See Fig. 2, described slave computer data acquisition system (DAS) is connected with stepper motor; Be connected with leftward position inductive probe, right positions inductive probe; Be connected with front laser displacement sensor, side laser displacement sensor by control amplifier; Slave computer data acquisition system (DAS) is connected with display device, printer by host computer data handling system.
Described slave computer data acquisition system (DAS) is furnished with scram button and safety apparatus.
Based on the measuring method of the heating radiator aluminum pipe straight line degree measurement system of twin-laser, comprise the following steps:
1) the control software design interface of host computer data handling system is provided with control knob, clicks control knob by mouse, and send control command to the next machine data acquisition system, slave computer data acquisition system (DAS) is operated by interface circuit opertaing device;
2) stepper motor received orders drives screw type moving guide rail to do linear reciprocating motion on guide-track groove, high precision double excitation non-contact displacement transducer on moving guide rail carries out straight line degree measurement to the front of the heating radiator aluminum pipe to be measured of grips and side simultaneously, side laser instrument and positive planar laser after being parallel to each other and assembling, make its direction of measurement also parallel relation each other, the stochastic error that effective compensation extraneous factor causes;
3) displacement transducer on moving guide rail each side installs 2 location sensitive probes as boundary position sensor simultaneously, moving guide rail runs from left to right under the drive of stepper motor, when right positions inductive probe detects right margin, moving guide rail is made to stop immediately and do counter motion, when after counter motion, leftward position inductive probe detects left margin, make moving guide rail out of service, realize one of measuring process to have a try twice automatic measurement, each side install 2 location sensitive probes is the machine breakdown caused to prevent the inefficacy of one of them location sensitive probe from making the motion process of guide rail out of control and the dangerous accident caused thus simultaneously,
4) displacement transducer, the feedback signal of location sensitive probe and the run signal of stepper motor send to host computer data handling system by data line after the process of slave computer data acquisition system (DAS); After the process of host computer data handling system, complete Drawing of Curve, fault detect in the curve viewing area of display device, report printing, storage, data analysis.
Described curve viewing area is made up of four graphics fields, the real-time experiment curv of front linearity displacement respectively, the real-time experiment curv of sided linear degree displacement, front linearity curve, sided linear is write music line, wherein the real-time experiment curv of front linearity displacement and the real-time experiment curv of sided linear degree displacement are along with mobile Dynamic Announce of popping one's head in, dynamically can show workpiece linearity change in displacement situation intuitively, and automatic Calibration can be carried out along with the change detecting data, front linearity curve and sided linear line of writing music is through the linearity curve got and obtain after reciprocal twice measured value carries out error compensation algorithm, there is higher confidence level and authority.
Described dynamic linearity displacement curve can along with measurement data size automatic Calibration and Dynamic Announce measures numerical value change situation, the linearity situation of change of the accurate and visual display measured workpiece of linearity curve energy, whole curve viewing area can complete front and side, static and dynamic Status linearity situation.
Described software operation interface simple, intuitive, whole operation interface Clear partition, each subregion realizes its functional attributes separately, rationally distributed and meet Human Engineering Principle.
The control circuit board of described slave computer data acquisition system (DAS) is by interface circuit and control circuit board and double excitation displacement transducer, and stepper motor, location sensitive probe and accessory power supply control device are connected.Control circuit board is provided with microprocessor, and microprocessor adopts DSP, and microprocessor gathers displacement signal, stepper motor CRANK PULSES, location sensitive probe feedback signal by sample circuit; The control signal that DSP exports is through the action of photoelectric isolating device and driving circuit control step motor; Photoelectric isolating circuit is realized by optocoupler; Various level needed for controller is provided through common AC/DC Switching Power Supply by primary power.
Software systems comprise and being made up of DSP data collection and control program and host computer function software.DSP data collection and control program primary responsibility drives microcontroller acquires displacement signal, motor rotation signal, location sensitive probe feedback signal, and data will be collected and host computer data handling system carries out real-time Communication for Power transmission, and the real-time control step electric motor starting of control signal that sends of real-time reception host computer data handling system and stopping.Host computer data handling system mainly realizes human-computer interaction function, data processor will be comprised in software, data will be collected calculate by certain algorithm, and draw the actual value of every data, and show in real time in man-machine interface, also curve drafting function will be completed, so that display displacement degree situation of change directly perceived, preferably will realize Report Generation Function Based, software also will have operation interface, be responsible for various for staff operational motion being transferred to slave computer data acquisition system (DAS), to realize controlling equipment.The software operation interface of design as shown in Figure 3.
Principle of work:
Moving guide rail is rotated by driven by motor leading screw and makes it on guide-track groove, do linear reciprocating motion.High precision double excitation non-contact displacement transducer on mobile platform carries out straight line degree measurement to the front of the heating radiator aluminum pipe to be measured of grips and side simultaneously, and side laser instrument and positive planar laser through assembling to parallel relation each other, the stochastic error that effective compensation extraneous factor causes.
The location sensitive probe of double excitation displacement transducer both sides is as stop device, mobile platform is made to stop at the brought into motion of stepper motor immediately to stopping sensor block position and do counter motion by induced signal, measurement mechanism correcting action need not be made and proceed the measurement of next aluminum pipe, one time normal measurement process comprises twice DATA REASONING back and forth, effectively improves data precision when data processing.
Described marble platform is provided with aluminum pipe and accommodates device, is used for clamping heating radiator aluminum pipe to be measured and making aluminum pipe be in free state, makes it not by extraneous effect of stress.It is magnetic conductive device that aluminum pipe accommodates device, and aluminum pipe is placed on aluminum pipe and accommodates on frame, is provided with and accommodates the contrary magnet of frame magnetic with aluminum pipe above aluminum pipe.Aluminum pipe clamping adopts magnetic force clamping principle, and namely place two blocks of magnet at aluminum pipe two, the attractive force accommodated between device by the aluminum pipe of magnet and magnetic conduction compresses aluminum pipe, realizes the quick and convenient clamping of aluminum pipe.
Twin-laser measurement data, location sensitive probe feedback signal and stepper motor run signal send to host computer by data line after slave computer control panel acquisition process, and after host computer computing, complete data display, Drawing of Curve, malfunction monitoring, report printing and storage, the functions such as data analysis.
In host computer data handling system function software, the operation interface of software has control knob district, control command is sent to the next machine data acquisition system by data line, slave computer data acquisition system (DAS) operates through interface circuit opertaing device after obtaining the control command of host computer data handling system transmission, only needs mouse to click on host computer data handling system operation interface and just can complete measuring process.
Claims (7)
1. the heating radiator aluminum pipe straight line degree measurement system based on twin-laser, include the guide rail platform (1) be located in marble platform, it is characterized in that, guide rail platform is provided with the screw type moving guide rail (3) be connected with stepper motor (2), and moving guide rail (3) does rectilinear motion on guide-track groove; Moving guide rail (3) top is provided with the contactless double excitation displacement transducer (4) of high precision; Double excitation displacement transducer 4 both sides are provided with location sensitive probe (5); Slave computer data acquisition system (DAS) is provided with after stepper motor (2) and double excitation displacement transducer (4); Slave computer data acquisition system (DAS) is connected with host computer data handling system.
2. according to the heating radiator aluminum pipe straight line degree measurement system of claim 1 one kind based on twin-laser, it is characterized in that, described location sensitive probe comprises leftward position inductive probe and right positions inductive probe; Double excitation displacement transducer comprises front laser displacement sensor, side laser displacement sensor.
3., according to the heating radiator aluminum pipe straight line degree measurement system of claim 1 one kind based on twin-laser, it is characterized in that, described slave computer data acquisition system (DAS) is connected with stepper motor; Slave computer data acquisition system (DAS) is connected with leftward position inductive probe, right positions inductive probe; Be connected with front laser displacement sensor, side laser displacement sensor by control amplifier; Slave computer data acquisition system (DAS) is connected with display device, printer by host computer data handling system.
4. a kind of heating radiator aluminum pipe straight line degree measurement system based on twin-laser according to claim 1, it is characterized in that, described slave computer data acquisition system (DAS) is furnished with scram button and safety apparatus.
5. a kind of heating radiator aluminum pipe straight line degree measurement system based on twin-laser according to claim 1, it is characterized in that, described marble platform is provided with aluminum pipe and accommodates device, it is magnetic conductive device that aluminum pipe accommodates device, aluminum pipe is placed on aluminum pipe and accommodates on frame, is provided with and accommodates the contrary magnet of frame magnetic with aluminum pipe above aluminum pipe.
6. a kind of heating radiator aluminum pipe straight line degree measurement system based on twin-laser according to claim 1, it is characterized in that, described stepper motor adopts common DC motor or permanent magnet brush direct current generator or permanent-magnet brushless DC electric machine or permagnetic synchronous motor or switched reluctance machines or asynchronous machine.
7., based on the measuring method of the heating radiator aluminum pipe straight line degree measurement system of twin-laser, it is characterized in that, comprise the following steps:
1) the control software design interface of host computer data handling system is provided with control knob, clicks control knob by mouse, and send control command to the next machine data acquisition system, slave computer data acquisition system (DAS) is operated by interface circuit opertaing device;
2) stepper motor received orders drives screw type moving guide rail to do linear reciprocating motion on guide-track groove, high precision double excitation non-contact displacement transducer on moving guide rail carries out straight line degree measurement to the front of the heating radiator aluminum pipe to be measured of grips and side simultaneously, side laser instrument and positive planar laser after being parallel to each other and assembling, make its direction of measurement also parallel relation each other, the stochastic error that effective compensation extraneous factor causes;
3) displacement transducer on moving guide rail each side installs 2 location sensitive probes as boundary position sensor simultaneously, moving guide rail runs from left to right under the drive of stepper motor, when right positions inductive probe detects right margin, moving guide rail is made to stop immediately and do counter motion, when after counter motion, leftward position inductive probe detects left margin, make moving guide rail out of service, realize one of measuring process to have a try twice automatic measurement, each side install 2 location sensitives probe is prevent from one of them location sensitive from popping one's head in losing efficacy making the motion process of guide rail out of control and the machine breakdown that causes and the dangerous accident caused thus simultaneously,
4) displacement transducer, the feedback signal of location sensitive probe and the run signal of stepper motor send to host computer data handling system by data line after the process of slave computer data acquisition system (DAS); After the process of host computer data handling system, complete Drawing of Curve, fault detect, report printing, storage, data analysis.
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| CN108844498A (en) * | 2015-08-24 | 2018-11-20 | 江苏理工学院 | Twin-laser artillery barrel bore Linearity surveying equipment |
| CN111060033A (en) * | 2019-12-27 | 2020-04-24 | 中航复合材料有限责任公司 | Fabric prepreg bow and weft variation detection device and detection method |
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| CN111060033A (en) * | 2019-12-27 | 2020-04-24 | 中航复合材料有限责任公司 | Fabric prepreg bow and weft variation detection device and detection method |
| CN112504186A (en) * | 2020-11-10 | 2021-03-16 | 浙江陀曼云计算有限公司 | Graphical digital measurement method and system |
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Application publication date: 20150325 |