CN102680524A - Method and device for detecting filling rate of flux-cored wire on line - Google Patents
Method and device for detecting filling rate of flux-cored wire on line Download PDFInfo
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- CN102680524A CN102680524A CN2012101427749A CN201210142774A CN102680524A CN 102680524 A CN102680524 A CN 102680524A CN 2012101427749 A CN2012101427749 A CN 2012101427749A CN 201210142774 A CN201210142774 A CN 201210142774A CN 102680524 A CN102680524 A CN 102680524A
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Abstract
The invention discloses a method and a device for detecting filling rate of a flux-cored wire on line. The device comprises a controller, a voltage amplifying module, a power amplifying module, a detection module and a signal conditioning module; the controller is provided with a DA output port and an AD input port; the DA output port is sequentially connected with the voltage amplifying module, the power amplifying module and the detection module; the detection module is formed by serially connecting a hollow inductance coil and a measured resistor; and voltages at two ends of the measured resistor are acquired by the signal conditioning module and then input to the controller through the AD input port. The device also comprises a touch display screen and an alarm which are connected with the controller. By the method and the device, the filling rate of the flux-cored wire is detected in real time and on line, the production efficiency is greatly improved, the measurement precision is high, and control and adjustment are flexible; and by real-time monitoring, timely alarm and control of a forming machine according to the set upper and lower limits of the filling rate, the flux-cored wire with unqualified filling rate is almost not produced, so that the flux-cored wire is stable in quality, and the reject rate of the flux-cored wire is reduced.
Description
Technical field
The present invention relates to a kind of detection method and device of flux-cored wire, particularly relate to a kind of flux-cored wire filling rate on-line detection method and device.
Background technology
How on production line, directly detecting the content of flux-cored wire traditional Chinese medicine powder, is the key of enhancing productivity, promote the flux-cored wire quality, and it is very significant therefore studying the on-line measurement of flux-cored wire filling rate.But because the medicinal powder of flux-cored wire is in the parcel of flux-cored wire sheetmetal, in the process of production, suitable again fast of the movement velocity of flux-cored wire is up to 5～6 meter per seconds, so it is bigger to measure the filling rate difficulty.
At present; In the process that flux-cored wire is produced; The general inclined to one side medicinal powder content that adopts the flux-cored wire of manual method sampling Detection moulding; The flux-cored wire of sampling clip a bit of moulding, the quality of manual measurement flux-cored wire and the quality of removing sheetmetal behind the medicinal powder, use following formula and calculate the flux-cored wire filling rate:
There is following shortcoming in the detection method that this shows prior art:
1., must the flux-cored wire butt welding of cutting off be connected if behind the manual measurement, filling rate is qualified; If defective, must the flux-cored wire in the flux-cored wire Receiving wire wheel be scrapped.Therefore waste is bigger, and production efficiency also can't improve.
2. the manual measurement method can't realize real-time monitoring, and measured data can not accurately reflect the actual filling rate of each section of flux-cored wire, thereby the quality stability of flux-cored wire is difficult to get a promotion.
Therefore, how to design method and device that a kind of nondestructive real-time online detects the flux-cored wire filling rate, with effectively solving the problem that exists in the above flux-cored wire production.
Summary of the invention
First purpose of the present invention is exactly the weak point to above-mentioned prior art; A kind of flux-cored wire filling rate online test method is provided; The ability online in real time detects the filling rate of each section flux-cored wire; And report to the police accordingly and control flux-cored wire forming machine, realized the real-time online detection, improved production efficiency greatly.
Second purpose of the present invention is exactly the weak point to above-mentioned prior art; A kind of flux-cored wire filling rate on-line measuring device is provided; It is simple in structure; Easy to install and use, whether the filling rate that the ability online in real time detects each section flux-cored wire is in normal value, and has warning function and control corresponding flux-cored wire forming machine simultaneously.
First purpose of the present invention is to realize through following technical proposals:
A kind of flux-cored wire filling rate online test method is characterized in that:
Flux-cored wire forming machine is connected with controller; Controller produces a stable AC signal; And be loaded in the detection module that measuring resistance and air-core inductance be in series, the flux-cored wire after the moulding is during through air-core inductance, and the alternating voltage effective value at measuring resistance two ends changes with the variation of flux-cored wire filling rate; Gather the output voltage at measuring resistance two ends; This output voltage compares with predefined flux-cored wire filling rate upper limit value and lower limit value after through digital processing, thereby judges whether the flux-cored wire filling rate is normal, and produces corresponding AIS and control signal.
Second purpose of the present invention is to realize through following technical proposals:
A kind of flux-cored wire filling rate on-line measuring device; Comprise controller, voltage amplification module, power amplifier module, detection module, signal condition module; Said controller has DA delivery outlet and AD input port; The DA delivery outlet is connected with voltage amplification module, power amplifier module and detection module successively, and this detection module is that air-core inductance and measuring resistance are in series, and imports controller by the AD input port behind the voltage at signal condition module collection measuring resistance two ends.
Further, said device also comprises touch display screen and the alarm that is connected with controller.
Beneficial effect of the present invention is:
1. flux-cored wire filling rate online test method has realized the real-time online detection; Improved production efficiency greatly, control and adjustment are monitored according to the filling rate bound of setting flexibly in real time; In time report to the police and the control make-up machine; Basically can not produce the underproof flux-cored wire of filling rate, constant product quality, the scrappage of reduction flux-cored wire.
2. flux-cored wire filling rate on-line measuring device is simple in structure, and is easy to install and use, realized automatic monitoring, warning and control; Do not need workman's hand dipping, improved work efficiency greatly, time saving and energy saving; And can detect the filling rate of each section of flux-cored wire, measuring accuracy is high.
Description of drawings
Fig. 1 is a circuit structure schematic diagram of the present invention.
Embodiment
As shown in Figure 1, a kind of flux-cored wire filling rate online test method is characterized in that:
Flux-cored wire forming machine is connected with controller; Controller produces a stable AC signal; And be loaded in the detection module that measuring resistance and air-core inductance be in series, the flux-cored wire after the moulding is during through air-core inductance, and the alternating voltage effective value at measuring resistance two ends changes with the variation of flux-cored wire filling rate; Gather the output voltage at measuring resistance two ends; This output voltage compares with predefined flux-cored wire filling rate upper limit value and lower limit value after through digital processing, thereby judges whether the flux-cored wire filling rate is normal, and produces corresponding AIS and control signal.
A kind of flux-cored wire filling rate on-line measuring device; Comprise controller, voltage amplification module, power amplifier module, detection module, signal condition module; Said controller has DA delivery outlet and AD input port; The DA delivery outlet is connected with voltage amplification module, power amplifier module and detection module successively, and this detection module is that air-core inductance and measuring resistance are in series, and imports controller by the AD input port behind the voltage at signal condition module collection measuring resistance two ends.Said device also comprises touch display screen and the alarm that is connected with controller.
Controller provides the stable AC signal to detection module; The output voltage at measuring resistance two ends and the bound of setting compare and are presented on the touch display screen in the acquisition testing module simultaneously; When (when exceeding the upper lower limit value scope) control alarm equipment alarm when unusual appears in signal; And the shutdown of control flux-cored wire forming machine, the wait workman handles accordingly after the flux-cored wire filling rate recovers normal range, to start shooting again and produces.
The invention provides the method and the device of a kind of non-destructive, non-contact detection flux-cored wire filling rate.Its ultimate principle is: when flux-cored wire passed through air-core inductance, the alternating voltage effective value at measuring resistance two ends can change with the variation of flux-cored wire filling rate.Therefore; The weigh mode of calculating the flux-cored wire filling rate of manual work sampling observation is changed in order to detect measuring resistance two ends output voltage whether in the corresponding voltage range of normal flux-cored wire filling rate; And then judge that the flux-cored wire filling rate is whether in the mode of range of normal value; Thereby realized in real time accurately the detection flux-cored wire filling rate of robotization.
In the actual production operation; At first will produce the flux-cored wire that filling rate after stable is in the standard of comparison scope and pass through air-core inductance; The output voltage that gather the measuring resistance two ends this moment is as a normal voltage; With this normal voltage is that central value fluctuates an acceptable scope as upper and lower limit, and general the employing fluctuates 4% as bound in the actual production.Air-core inductance has certain length, so we can once check whether conformance with standard scope of one section flux-cored wire filling rate.In continuous flow procedure; Controller timing acquiring AD signal is through being presented at behind the digital filtering on the touch display screen; Whether we can observe filling rate through friendly human-machine interface at any time normal, and the signal and the bound of gathering in real time compare, when signal value is lower than lower limit or is higher than higher limit; Controller control alarm sends alerting signal, and controls flux-cored wire forming machine simultaneously and stop to produce.
The above is merely preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of within spirit of the present invention and principle, being done, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (3)
1. flux-cored wire filling rate online test method is characterized in that:
Flux-cored wire forming machine is connected with controller; Controller produces a stable AC signal; And be loaded in the detection module that measuring resistance and air-core inductance be in series, the flux-cored wire after the moulding is during through air-core inductance, and the alternating voltage effective value at measuring resistance two ends changes with the variation of flux-cored wire filling rate; Gather the output voltage at measuring resistance two ends; This output voltage compares with predefined flux-cored wire filling rate upper limit value and lower limit value after through digital processing, thereby judges whether the flux-cored wire filling rate is normal, and produces corresponding AIS and control signal.
2. flux-cored wire filling rate on-line measuring device according to claim 1; It is characterized in that: comprise controller, voltage amplification module, power amplifier module, detection module, signal condition module; Said controller has DA delivery outlet and AD input port; The DA delivery outlet is connected with voltage amplification module, power amplifier module and detection module successively; This detection module is that air-core inductance and measuring resistance are in series, and imports controller by the AD input port behind the voltage at signal condition module collection measuring resistance two ends.
3. flux-cored wire filling rate on-line measuring device according to claim 2 is characterized in that: said device also comprises touch display screen and the alarm that is connected with controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101427749A CN102680524A (en) | 2012-05-10 | 2012-05-10 | Method and device for detecting filling rate of flux-cored wire on line |
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| CN2012101427749A CN102680524A (en) | 2012-05-10 | 2012-05-10 | Method and device for detecting filling rate of flux-cored wire on line |
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| CN102680524A true CN102680524A (en) | 2012-09-19 |
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| CN2012101427749A Pending CN102680524A (en) | 2012-05-10 | 2012-05-10 | Method and device for detecting filling rate of flux-cored wire on line |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106950144A (en) * | 2017-04-28 | 2017-07-14 | 关忆恒 | The apparatus for peeling off and detection method of a kind of flux-cored wire filling rate detection |
| CN109520881A (en) * | 2018-09-30 | 2019-03-26 | 武汉铁锚焊接材料股份有限公司 | The medicinal powder filling rate detection method and device of flux-cored wire |
| CN110366469A (en) * | 2017-02-07 | 2019-10-22 | 弗罗纽斯国际有限公司 | For detecting the method and apparatus of gage of wire or component of weld wire in welding equipment |
| WO2021237583A1 (en) * | 2020-05-28 | 2021-12-02 | 郑州机械研究所有限公司 | Controller, and method and device for detecting filling rate of flux-cored welding wire |
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2012
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| CN1467483A (en) * | 2002-06-07 | 2004-01-14 | Smc株式会社 | Position measuring device using change in inductance of coil, float-type flowmeter, and position measuring method |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110366469A (en) * | 2017-02-07 | 2019-10-22 | 弗罗纽斯国际有限公司 | For detecting the method and apparatus of gage of wire or component of weld wire in welding equipment |
| CN110366469B (en) * | 2017-02-07 | 2021-06-22 | 弗罗纽斯国际有限公司 | Method and device for detecting the diameter or composition of a welding wire in a welding device |
| US11597025B2 (en) | 2017-02-07 | 2023-03-07 | Fronius International Gmbh | Method and device for detecting a welding wire diameter or welding wire composition in a welding device |
| CN106950144A (en) * | 2017-04-28 | 2017-07-14 | 关忆恒 | The apparatus for peeling off and detection method of a kind of flux-cored wire filling rate detection |
| CN106950144B (en) * | 2017-04-28 | 2018-05-18 | 关忆恒 | A kind of apparatus for peeling off of flux-cored wire filling rate detection |
| CN109520881A (en) * | 2018-09-30 | 2019-03-26 | 武汉铁锚焊接材料股份有限公司 | The medicinal powder filling rate detection method and device of flux-cored wire |
| WO2021237583A1 (en) * | 2020-05-28 | 2021-12-02 | 郑州机械研究所有限公司 | Controller, and method and device for detecting filling rate of flux-cored welding wire |
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Application publication date: 20120919 |