CN203798968U - AD module output-based electric weakness point testing statistical system of thin film - Google Patents
AD module output-based electric weakness point testing statistical system of thin film Download PDFInfo
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- CN203798968U CN203798968U CN201420173170.5U CN201420173170U CN203798968U CN 203798968 U CN203798968 U CN 203798968U CN 201420173170 U CN201420173170 U CN 201420173170U CN 203798968 U CN203798968 U CN 203798968U
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Abstract
The utility model involves in a problem of electric weakness point and electric weak line detection of the plastic film and especially, relates to an AD module output-based electric weakness point testing statistical system of thin film. The system comprises a leakage current sampling circuit, wherein the output terminal of the leakage current sampling circuit is connected with the input terminal of the AD module. In addition, the system also includes a PLC, wherein the input terminal of the PLC is connected with the output terminal of the AD module; the PLC is used for receiving a digital signal outputted from the AD module; and the output terminal of the PLC is connected with an input terminal of an output device. The output device and the PLC are in bidirectional communication connection; and the output device is used for receiving and displaying data transmitted by the PLC. With the system, statistics of discrete electric weakness points caused by hole punching or conductive particle aggregation and the like as well as statistics of electric weak lines caused by longitudinal scratching can be realized. Therefore, the testing data can reflect the actual quality level of the thin film; and problems existing in the production process can be analyzed beneficially.
Description
Technical field
The utility model belongs to the electric plastic sheeting testing tool of using, and relates to the weak line test problems of plastic sheeting electricity weakness and electricity, particularly the thin-film electro weak point test statistical system based on the output of AD module.
Background technology
Electric with in the production run of plastic sheeting, because making film, the reasons such as technique, environment occur that perforation, conductive particle such as gather at the electric weakness that affects electric property.Electric with plastic sheeting test method > > according to national standard < < GB/T13541-92, electricly with plastic sheeting, require to carry out electric weak point test.In electricity weak point test, the breakdown point of every square metre under given DC voltage (electric weakness) number becomes the important indicator of weighing film quality level.In addition; film is moved carry-over pinch rolls station to again to cutting through a lot of longitudinally roll shafts of rotation from indulging in process of production; very easily cause longitudinal scuffing; this longitudinally scratches and on film, forms " the weak line of electricity "; therefore; how Quick Measurement is also added up discrete " the electric weakness " causing because of bore a hole, conductive particle gathers etc. and longitudinally scratches " line a little less than electric " causing, is art technology technical matters urgently to be resolved hurrily.
Utility model content
The purpose of this utility model is for the deficiencies in the prior art, a kind of thin-film electro weak point test statistical system based on the output of AD module is proposed, native system is by physical unit and circuit configurations and the test network being linked to be, thus be thin-film electro weakness test builds perfect hardware platform.Native system not only testing efficiency is higher, and can and show intuitively the electric weakness statistics on unit area film.
For achieving the above object, the utility model has adopted following technical scheme:
A thin-film electro weak point test statistical system based on the output of AD module, it comprises following ingredient:
Leakage current sample circuit, the output terminal of described leakage current sample circuit is connected with the input end of AD module;
AD module, its input end is connected with the output terminal of described leakage current sample circuit, for converting the input signal receiving from leakage current sample circuit to digital signal;
PLC, its input end is connected with the output terminal of described AD module, and for receiving from the digital signal of AD module output, the output terminal of described PLC is connected with the input end of output device;
Output device, it is connected with PLC both-way communication, for receiving and showing the data that PLC sends.
The utility model can also be able to further realization by following technical measures.
Preferably, described AD module is the FX1N-2AD-BD of Mitsubishi.
Preferably, described leakage current sample circuit comprises current-limiting resistance, top electrode, bottom electrode and sampling resistor; Described current-limiting resistance is connected between test voltage positive terminal and top electrode, and sampling resistor is connected between bottom electrode and test voltage negative pole end, and described top electrode, bottom electrode divide the both sides that are located at film to be measured; The noble potential node of described sampling resistor connects the voltage channel input terminal of described AD module, and the electronegative potential node of described sampling resistor connects the public input terminal of described AD module.
Preferably, described in the very conductive rubber that powers on, described bottom electrode is metallic copper roller, described current-limiting resistance is RI80B/8W/200K Ω/J high-tension resistive, described sampling resistor is DR/50W/200 Ω/F high-power resistance; Wherein RI80B/8W/200K Ω/J represents that rated power is that 8W, permissible error scope are that ± 5% resistance is the glass glaze film resistance of 200K Ω, and DR/50W/200 Ω/F represents that rated power is that 50W, permissible error scope are that ± 1% resistance is the carbon resister of 200K Ω.
Preferably, the described PLCWei FX1N-24MT-001 of Mitsubishi.
Preferably, described output device is selected GT1055-QSBD-C touch-screen.
The beneficial effects of the utility model are:
1), the test statistics system in the utility model is only the hardware platform that is linked together and formed by circuit configurations by physical unit.In use, native system can coordinate to realize with software of the prior art the measurement of thin-film electro weakness, but it must be noted that: the software matching with this control system is not innovation part of the present utility model, neither ingredient of the present utility model.
Under the acting in conjunction coordinating with software; the utility model can be realized respectively to the independent measurement of electric weakness and statistics, to the independent measurement of the weak line of electricity and statistics, to the two measurement and statistics of electric weakness and the weak line of electricity; but; protection of the present utility model is only prolonged and to by physical unit and wire and the hardware net forming, and does not relate to the improvement of software and protection.
The function and efficacy of each physical unit when the utility model being described the two is measured and adds up to electric weakness and the weak line of electricity below in conjunction with software:
Leakage current sample circuit in the utility model is composed in series successively by current-limiting resistance, top electrode, film to be measured, bottom electrode and sampling resistor, during test, film to be measured moves being applied with between the upper and lower electrode of voltage, when film to be measured is during without electric weakness and the weak line of electricity, the insulation resistance value of film to be measured is large (being 103M Ω level) very, and the leakage current that now leakage current sample circuit detects is microampere order; When the leakage current detecting when leakage current sample circuit surpasses 1mA, can assert that film has electric weakness to exist herein; The leakage current detecting when leakage current sample circuit when (being 200mS) is all over 1mA in official hour, can be regarded as this film sample and have in process of production longitudinal cut, is also on film, to have " the weak line of electricity ".
It may be noted that, the size of above-mentioned leakage current and the length of leakage current test time may change along with the difference of film to be measured, but change on this numerical value does not relate to the change of software, also do not belong to innovation part of the present utility model and ingredient.
The utility model gathers current value by leakage current sample circuit, the electric signal that AD module collects leakage current sample circuit converts digital signal to and is sent in PLC, PLC by the digital signal of input and the setting numeric ratio of its internal memory after, processing obtains electric weakness quantity and the weak line sum of electricity, and the sum of the electric weakness detecting and the weak line of electricity is shown on output device.The utility model complies with the national standard requirements, detects accurately, and Automatic Control, working stability is reliable.
2) model of the PLC, in the utility model is the FX1N-60MR-001 of Mitsubishi, and the model of AD module is the FX1N-2AD-BD of Mitsubishi, and output device is selected the touch-screen of the GT1055-QSBD-C of Mitsubishi, easy to operate, and good stability is easy to safeguard, maintenance.
3), native system both can have been added up the discrete electric weakness causing because of bore a hole, conductive particle gathers etc.; can add up again because longitudinally scratching the weak line of the electricity causing; therefore test data more can reflect the quality level of film truly, and contributes to analyze the problem existing in production run.
Accompanying drawing explanation
Fig. 1 is structural representation block diagram of the present utility model.
In figure, the implication of label symbol is as follows:
1-leakage current sample circuit, 2-AD module, 3-PLC, 4-output device, 11-top electrode, 12-bottom electrode
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described.
As shown in Figure 1, the utility model comprises leakage current sample circuit 1, AD module 2, PLC3 and output device 4.
Described leakage current sample circuit 1 is composed in series successively by current-limiting resistance R3, top electrode 11, film Rx to be measured, bottom electrode 12 and sampling resistor R4, current-limiting resistance R3 is connected between test voltage positive terminal V+ and top electrode 11, sampling resistor R4 is connected between bottom electrode 12 and test voltage negative pole end V-, and described top electrode 11, bottom electrode 12 are located at the both sides of film Rx to be measured in the test time-division.
Described top electrode 11 is conductive rubber, and described bottom electrode 12 is metallic copper roller.Described current-limiting resistance R3 is RI80B/8W/200K Ω/J high-tension resistive, and described sampling resistor R4 is DR/50W/200 Ω/F high-power resistance.
The model that described AD module 2 is selected is the FX1N-2AD-BD of Mitsubishi.
Described output device 4 is selected GT1055-QSBD-C touch-screen, and the display screen of described touch-screen is provided with the total counting number display window of weakness, and it comprises electric weakness statistical number display window and the weak line statistical number display window of electricity.
Below in conjunction with accompanying drawing, the course of work of the present utility model is described in detail.
With reference to Fig. 1, leakage current sample circuit 1 forms series loop by current-limiting resistance R3, top electrode 11, film Rx to be measured, bottom electrode 12, sampling resistor R4, the noble potential node of sampling resistor R4 connects the V2+ of described AD module, and the electronegative potential node of sampling resistor R4 connects the public input terminal VI-of AD module.
Tested film Rx moves being applied with between the upper and lower electrode of voltage, and for normal film (without electric weakness time), the leakage current that leakage current sample circuit 1 detects is microampere order; When electric weakness exists, the leakage current that leakage current sample circuit 1 detects surpasses 1mA; When the weak line of electricity exists, the leakage current that leakage current sample circuit 1 detects in official hour (200mS) all over 1mA.Certainly, for different types of plastic sheeting, operating personnel can also carry out adaptability revision by intensity limit value and the time limit value of establishing in 4 pairs of touch-screens, so that measurement result is more accurate.
AD module 2 is the FX1N-2AD-BD of Mitsubishi, and it is arranged on PLC3 top, converts the signal from 1 input of leakage current sample circuit to digital signal and imports PLC3 into.
PLC3 in special register D8113, refreshes digital signal in special register D8113 by the stored digital signal of AD module 2 conversions in real time.
PLC3 comparison order: CMP K1000D8113M60, to special register D8113 data and the corresponding 1mA of constant K 1000() compare, obtain following result:
1), during D8113 < K1000, M60 is ON;
2), during D8113=K1000, M61 is ON;
3), during D8113 > K1000, M62 is ON;
When only M62 is ON, the numerical value of register D139 increases, and forms electric weakness statistical number;
When M62 and T200(are that leakage current is greater than 1mA and lasting 200mS) during simultaneously for ON, the numerical value of register D141 increases, and forms the weak line statistical number of electricity;
When M62 is ON or M62 and T200 during simultaneously for ON, the numerical value of register D140 increases, and forms total counting number of electric weakness and the weak line of electricity.
The numerical value of register D139, D141, D140 is delivered to the display window of touch-screen by telecommunication cable.Touch-screen is provided with the total counting number display window of weakness, and it comprises electric weakness statistical number display window and the weak line statistical number display window of electricity.
Claims (6)
1. a thin-film electro weak point test statistical system of exporting based on AD module, is characterized in that comprising following ingredient:
Leakage current sample circuit (1), the output terminal of described leakage current sample circuit (1) is connected with the input end of AD module (2);
AD module (2), its input end is connected with the output terminal of described leakage current sample circuit (1), for converting the input signal receiving from leakage current sample circuit (1) to digital signal;
PLC(3), its input end is connected with the output terminal of described AD module (2), for receiving from the digital signal of AD module (2) output, described PLC(3) output terminal be connected with the input end of output device (4);
Output device (4), itself and PLC(3) both-way communication is connected, for receiving and showing PLC(3) data that send.
2. the thin-film electro weak point test statistical system based on the output of AD module according to claim 1, is characterized in that: described AD module (2) is the FX1N-2AD-BD of Mitsubishi.
3. the thin-film electro weak point test statistical system based on the output of AD module according to claim 2, is characterized in that: described leakage current sample circuit (1) comprises current-limiting resistance (R3), top electrode, bottom electrode and sampling resistor (R4); Described current-limiting resistance (R3) is connected between test voltage positive terminal and top electrode, and sampling resistor (R4) is connected between bottom electrode and test voltage negative pole end, and described top electrode, bottom electrode divide the both sides that are located at film to be measured; The noble potential node of described sampling resistor (R4) connects the voltage channel input terminal of described AD module (2), and the electronegative potential node of described sampling resistor (R4) connects the public input terminal of described AD module (2).
4. the thin-film electro weak point test statistical system based on AD module output according to claim 3, it is characterized in that: described in the very conductive rubber that powers on, described bottom electrode is metallic copper roller, described current-limiting resistance (R3) is RI80B/8W/200K Ω/J high-tension resistive, and described sampling resistor (R4) is DR/50W/200 Ω/F high-power resistance.
5. the thin-film electro weak point test statistical system based on the output of AD module according to claim 1, is characterized in that: be described PLC(3) FX1N-24MT-001 of Mitsubishi.
6. the thin-film electro weak point test statistical system based on the output of AD module according to claim 1, is characterized in that: described output device (4) is GT1055-QSBD-C touch-screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420173170.5U CN203798968U (en) | 2014-04-10 | 2014-04-10 | AD module output-based electric weakness point testing statistical system of thin film |
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| CN201420173170.5U CN203798968U (en) | 2014-04-10 | 2014-04-10 | AD module output-based electric weakness point testing statistical system of thin film |
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| CN203798968U true CN203798968U (en) | 2014-08-27 |
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| CN201420173170.5U Expired - Fee Related CN203798968U (en) | 2014-04-10 | 2014-04-10 | AD module output-based electric weakness point testing statistical system of thin film |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108226729A (en) * | 2018-02-02 | 2018-06-29 | 钱立文 | High-precision thin-film electro weak point test instrument |
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2014
- 2014-04-10 CN CN201420173170.5U patent/CN203798968U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108226729A (en) * | 2018-02-02 | 2018-06-29 | 钱立文 | High-precision thin-film electro weak point test instrument |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140827 Termination date: 20170410 |
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| CF01 | Termination of patent right due to non-payment of annual fee |