CN106706711A - Novel numerical control high-voltage paint film continuous-detection system - Google Patents
Novel numerical control high-voltage paint film continuous-detection system Download PDFInfo
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- CN106706711A CN106706711A CN201710074910.8A CN201710074910A CN106706711A CN 106706711 A CN106706711 A CN 106706711A CN 201710074910 A CN201710074910 A CN 201710074910A CN 106706711 A CN106706711 A CN 106706711A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
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Abstract
The invention relates to a novel numerical control high-voltage paint film continuous-detection system which comprises a single chip microcomputer control module, a DA conversion chip, a double-circuit reference voltage output module, a loop current detection module, a high-voltage closed-loop controllable boosting module and a high-voltage detection head. The single chip microcomputer control module is electrically connected with the DA conversion chip, the DA conversion chip is electrically connected with the double-circuit reference voltage output module, the loop current detection module comprises an I/V conversion circuit, a voltage follower, a first comparator, a level detection circuit and a photoelectric coupler. The high-voltage closed-loop controllable boosting module comprises an audion amplifying circuit, a high-speed optocoupling circuit, a half-bridge driver waveshaping circuit, a mos tube, a high-frequency transformer, a rectifying and filtering circuit and a second comparator. A single chip microcomputer and a high-voltage circuit are isolated through an isolating numerical control technique, the interference of a strong interference source of a high-voltage arc to digital circuit operation is overcome, and device production becomes simple, and debugging is easy.
Description
Technical field
It is continuous in particular to a kind of novel numerical control high pressure paint film the present invention relates to enamel-covered wire detection test instrument field
Property detecting system.
Background technology
Enamel-covered wire as electricity industry basic raw material, with the increasingly raising required enameled wire performance, enamel-covered wire
Detection requirement also more and more higher.Film integrity is an important performance for reflecting quality of enamelled wire, directly influences finished product
The quality of enamel-covered wire, has influence on the performances such as winding coil turn-to-turn voltage indirectly.Method of testing general at present is using high pressure paint
Film continuity test instrument detected, this tester generally by actinobacillus device, cross wire carrier, Hi-pot test head, take-up,
High voltage direct current generator, signal deteching circuit, process circuit and counting meter composition, as Hi-pot test is first by a pair of guide wheels with
And the fabric wheel composition in the middle of this pair of guide wheel, (specific setting value is according to client for the up to 3000KV that high pressure generator is produced
It is required that setting) direct current be applied on fabric wheel, signal deteching circuit one end electrically connects with take-up pulley.During test, work as enamel-cover
When at line film defect by fabric wheel, signal deteching circuit can send detection signal, be counted through locating reason counting meter.
But high-pressure paint film continuity detection test instrument in the market, due to existing with high pressure, easily produce high
The strong interferers of piezoelectricity arc, the operation to digital circuit brings interference, such as high-pressure paint film continuity detection test instrument equipment in itself
It is exactly a kind of strong interferers of generation high-voltage arc；It is to use half knot for simulating Semi-digital to solve to disturb the measure taken at present
Structure, this structure causes the scheduling and planning program to become complicated, and production cost is high, the problems such as the stability difference of machine.
The content of the invention
In view of the shortcomings of the prior art, high-voltage arc interference digital circuit can be reduced present invention aim at offer one kind
The high-pressure paint film continuity detecting system of operation.
The present invention provides a kind of novel numerical control high-pressure paint film continuity detecting system, including single chip control module, DA turn
Change the inspection of chip, two-way reference voltage output module, loop current detection module, the controllable boost module of high pressure closed loop and high pressure
Gauge head；The single chip control module is electrically connected with the DA conversion chips, and the DA conversion chips and the two-way benchmark are electric
Pressure output module electrical connection；The loop current detection module includes I/V translation circuits, voltage follower, first comparator, electricity
Flat detection circuit, photoelectrical coupler, the I/V translation circuits, voltage follower, first comparator, level sensitive circuit, photoelectricity
Coupler is sequentially connected electrically, and the voltage follower is electrically connected with the in-phase end of the first comparator, the photoelectrical coupler
Electrically connected with the single chip control module；The controllable boost module of high pressure closed loop includes transistor amplifier, high-speed light
Coupling circuit, half-bridge driver shaping circuit, mos pipes, high frequency transformer, current rectifying and wave filtering circuit, the second comparator, the triode
Amplifying circuit, high speed photo coupling circuit, half-bridge driver shaping circuit, mos pipes, high frequency transformer, current rectifying and wave filtering circuit are electric successively
Connection, the transistor amplifier is electrically connected with the single chip control module, the current rectifying and wave filtering circuit point two-way output,
Wherein output connects the in-phase end of the second comparator all the way, and output connects high pressure detection head all the way in addition；The two-way benchmark electricity
Pressure output module connects first comparator, the end of oppisite phase of the second comparator respectively, the output end of second comparator with it is described
High speed photo coupling circuit is electrically connected.
Further, also including amplifying photoelectric isolating circuit, the output end of second comparator is via the amplification light
Electric isolating circuit is electrically connected with the high speed photo coupling circuit.
Further, also including Magnetic-electricitycoupler coupler, the single chip control module controls the DA by Magnetic-electricitycoupler coupler
Conversion chip.
Further, also including treatment computer, the single chip control module connects described by electromagnetic screen part
Process the RS232 interfaces of computer.
Further, the treatment computer includes main frame, display, mouse and keyboard.
Further, the single chip control module includes count detection interface, defect property detection interface, the photoelectricity
Coupler is electrically connected with the count detection interface, defect property detection interface respectively.
Further, the shell of the high pressure detection head is made up of insulating materials high, and high-field electrode is sealed in the inside.
Further, the centre of the high pressure detection head and the high-field electrode for being sealed in the inside is provided with notched circle
Hole.
Novel numerical control high-pressure paint film continuity detecting system of the invention, has overturned conventional design, using current completely
Leading singlechip technology combination cardinar number word control circuit, simplifies system architecture, improves the stability of a system, unique circuit
Setting also overcomes electric arc interference, specifically, being isolated single-chip microcomputer and high-tension circuit by the Numeric Control Technology isolated, overcomes
The interference that the strong interferers of high-voltage arc are run to digital circuit, the production of equipment becomes simply and readily to debug, accordingly
Production cost is reduced, circuit becomes simpler while performance is but than originally higher.
Brief description of the drawings
Fig. 1 is the structural representation of novel numerical control high-pressure paint film continuity detecting system specific embodiment of the invention；
Fig. 2 is the structural representation of loop current detection module of the invention；
Fig. 3 is the structural representation of the controllable boost module of high pressure closed loop of the invention.
Specific embodiment
For the ease of understand the present invention, below in conjunction with Figure of description and preferred embodiment the present invention is done more comprehensively,
Meticulously describe, but protection scope of the present invention is not limited to specific examples below.
As shown in Figure 1 to Figure 3, a kind of novel numerical control high-pressure paint film continuity detecting system, the novel numerical control high pressure paint film
Continuity detecting system includes single chip control module, DA conversion chips, two-way reference voltage output module, loop current detection
Module, the controllable boost module of high pressure closed loop and high pressure detection head.
Wherein, single chip control module is electrically connected with DA conversion chips, and DA conversion chips export mould with two-way reference voltage
Block is electrically connected.Loop current detection module include I/V translation circuits, voltage follower, first comparator, level sensitive circuit,
Photoelectrical coupler, I/V translation circuits, voltage follower, first comparator, level sensitive circuit, photoelectrical coupler are electrically connected successively
Connect, voltage follower is electrically connected with the in-phase end of first comparator, and photoelectrical coupler is electrically connected with single chip control module.High pressure
The controllable boost module of closed loop includes transistor amplifier, high speed photo coupling circuit, half-bridge driver shaping circuit, mos pipes, high frequency
Transformer, current rectifying and wave filtering circuit, the second comparator, transistor amplifier, high speed photo coupling circuit, half-bridge driver shaping electricity
Road, mos pipes, high frequency transformer, current rectifying and wave filtering circuit are sequentially connected electrically, and transistor amplifier is electrically connected with single chip control module
Connect, current rectifying and wave filtering circuit point two-way output, wherein the in-phase end of the second comparator of output connection all the way, in addition output connection all the way
High pressure detection head.Two-way reference voltage output module connects first comparator, the end of oppisite phase of the second comparator respectively, and second compares
The output end of device is electrically connected with high speed photo coupling circuit.
In above-described embodiment, single chip control module is electrically connected with DA conversion chips, and DA conversion chips are electric with two-way benchmark
Pressure output module electrical connection, I/V translation circuits, voltage follower, first comparator, level sensitive circuit, photoelectrical coupler according to
Secondary electrical connection, voltage follower is electrically connected with the in-phase end of first comparator, and photoelectrical coupler is electrically connected with single chip control module
Connect, two-way reference voltage output module wherein all the way reference voltage output connection first comparator end of oppisite phase.Tie the part
The function that structure is realized is high tension loop current sample, and in the particular embodiment, amplifier LM324 is operated in the pattern of comparator
Under, voltage on the basis of the end of oppisite phase input signal of comparator, it comes from DA conversion chips, and is directly controlled by Single-chip Controlling
Module, and the existing old type signal of existing market takes from resistance pressure-dividing network, compared to old design, new design
Scheme is avoided that the measurement error that temperature drift and resistance ageing failure etc. bring to accuracy of instrument.
In above-described embodiment, the controllable boost module of high pressure closed loop includes transistor amplifier, high speed photo coupling circuit, half-bridge
Driver shaping circuit, mos pipes, high frequency transformer, current rectifying and wave filtering circuit, the second comparator, transistor amplifier, high-speed light
Coupling circuit, half-bridge driver shaping circuit, mos pipes, high frequency transformer, current rectifying and wave filtering circuit are sequentially connected electrically, and triode amplifies
Circuit is electrically connected with single chip control module, current rectifying and wave filtering circuit point two-way output, wherein the second comparator of output connection all the way
In-phase end, in addition all the way output connection high pressure detection head.Preferably, also including amplifying photoelectric isolating circuit, the second comparator
Output end via amplify photoelectric isolating circuit electrically connected with high speed photo coupling circuit.In the example, from single chip control module
Pulse-width signal amplify through transistor amplifier after drive high speed photo coupling circuit to work, high speed photo coupling signal drives through half-bridge
Driving power mos pipes make high frequency transformer work after dynamic device shaping circuit shaping, and high frequency transformer exports rectified filtered electrical
Sampling is delivered to the in-phase end of amplifier 1m258 and is compared with reference voltage after the treatment of road rectifying and wave-filtering, if voltage is higher than benchmark
Voltage, amplifier output switching activity, the amplified photoelectric isolating circuit of signal directly draws high speed photo coupling Enable Pin after amplifying Phototube Coupling
Low, Enable Pin drags down the output of rear high speed photo coupling and is blocked the pulse width signal from master control and cannot again drive high-tension transformer, high pressure
Transformer output end DC voltage declines, once voltage drops to preset value, circuit is reworked, the work for so going round and beginning again
Circulation, the output size of high direct voltage is determined that whole closed-loop is adjustable by reference signal all the time, and this circuit is compared to old equipment most
Big improvement is to introduce the reference signal of continuously adjustabe and isolation and controlled dual-use function are cleverly realized with high speed photo coupling,
This measure greatly simplify the structure of the controllable boost module of high pressure closed loop, completely solve old money equipment corresponding part failure occurred frequently
Problem.
Novel numerical control high-pressure paint film continuity detecting system of the invention, has overturned conventional design, using current completely
Leading singlechip technology combination cardinar number word control circuit, simplifies system architecture, improves the stability of a system, unique circuit
Setting also overcomes electric arc interference, and the production of equipment becomes simply and readily to debug, and production cost is reduced accordingly, and circuit becomes
Obtain simpler while performance is but than originally higher.
In an advantageous embodiment, also including Magnetic-electricitycoupler coupler, single chip control module is by Magnetic-electricitycoupler coupler control
DA conversion chips.Thus set, single chip control module controls DA conversion chips by Magnetic-electricitycoupler coupler, be allowed to output accurately
Two reference signals, all the way for controlling high-tension current sampling threshold values, another road is used for controlling the regulating and controlling voltage of high voltage step-up, magnetic
Electric coupler effect herein is control section (single-chip microcomputer) and the high-pressure section for isolating core, during preventing high part from working
Produce huge interference, the simple excellent performance of this circuit structure, compared to old money type complicated resistor network partial pressure benchmark no matter
Accuracy or service life have the lifting of matter.
In an advantageous embodiment, also including treatment computer, single chip control module is connected by electromagnetic screen part
Connect the RS232 interfaces for the treatment of computer.Treatment computer includes main frame, display, mouse and keyboard.The effect of the part is
Collection experimental data is sent to the RS232 interfaces of computer end by electromagnetic screen part, and data are realized by computer terminal
Automatic data collection and shared, this is the expanding function that old equipment is not configured.
Specifically, single chip control module includes count detection interface, defect property detection interface, photoelectrical coupler difference
Electrically connected with count detection interface, defect property detection interface.Specifically, the shell of high pressure detection head is by insulating materials system high
Into high-field electrode is sealed in the inside.More specifically, the centre of high pressure detection head and the high-field electrode for being sealed in the inside is provided with
Notched circular port, the circular port passes through the breach and ft connection.Above-mentioned setting belongs to or may be referred to existing skill
Art or existing design, will not be repeated here.
In the detecting system that the present invention is provided, detecting system is controlled by single-chip microcomputer and cardinar number word control circuit,
And isolated single-chip microcomputer and high-tension circuit by the Numeric Control Technology isolated, the strong interferers of high-voltage arc are overcome to numeral
The interference of circuit operation, the easily simple structure of equipment and debugging.
Embodiment described above only expresses several embodiments of the invention, and its description is more specific and detailed, but simultaneously
Can not therefore be construed as limiting the scope of the patent.It should be pointed out that coming for one of ordinary skill in the art
Say, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (8)
1. a kind of novel numerical control high-pressure paint film continuity detecting system, it is characterised in that：Changed including single chip control module, DA
The detection of chip, two-way reference voltage output module, loop current detection module, the controllable boost module of high pressure closed loop and high pressure
Head；
The single chip control module is electrically connected with the DA conversion chips, the DA conversion chips and the two-way reference voltage
Output module is electrically connected；
The loop current detection module includes I/V translation circuits, voltage follower, first comparator, level sensitive circuit, light
Electric coupler, the I/V translation circuits, voltage follower, first comparator, level sensitive circuit, photoelectrical coupler are electric successively
Connection, the voltage follower electrically connects with the in-phase end of the first comparator, the photoelectrical coupler and the single-chip microcomputer
Control module is electrically connected；
The controllable boost module of high pressure closed loop includes transistor amplifier, high speed photo coupling circuit, half-bridge driver shaping electricity
Road, mos pipes, high frequency transformer, current rectifying and wave filtering circuit, the second comparator, the transistor amplifier, high speed photo coupling circuit,
Half-bridge driver shaping circuit, mos pipes, high frequency transformer, current rectifying and wave filtering circuit are sequentially connected electrically, the transistor amplifier
Electrically connected with the single chip control module, the current rectifying and wave filtering circuit point two-way output, wherein output connection second is compared all the way
Compared with the in-phase end of device, output connects high pressure detection head all the way in addition；
The two-way reference voltage output module connects first comparator, the end of oppisite phase of the second comparator, second ratio respectively
Output end compared with device is electrically connected with the high speed photo coupling circuit.
2. novel numerical control high-pressure paint film continuity detecting system according to claim 1, it is characterised in that：Also include amplifying
Photoelectric isolating circuit, the output end of second comparator is via amplification photoelectric isolating circuit and the high speed photo coupling circuit
Electrical connection.
3. novel numerical control high-pressure paint film continuity detecting system according to claim 1, it is characterised in that：Also include magnetoelectricity
Coupler, the single chip control module controls the DA conversion chips by Magnetic-electricitycoupler coupler.
4. novel numerical control high-pressure paint film continuity detecting system according to claim 1, it is characterised in that：Also include treatment
Computer, the single chip control module connects the RS232 interfaces of the treatment computer by electromagnetic screen part.
5. novel numerical control high-pressure paint film continuity detecting system according to claim 4, it is characterised in that：The treatment meter
Calculation machine includes main frame, display, mouse and keyboard.
6. the novel numerical control high-pressure paint film continuity detecting system according to claim 1-5 any one, it is characterised in that：
The single chip control module include count detection interface, defect property detection interface, the photoelectrical coupler respectively with it is described
Count detection interface, defect property detection interface electrical connection.
7. the novel numerical control high-pressure paint film continuity detecting system according to claim 1-5 any one, it is characterised in that：
The shell of the high pressure detection head is made up of insulating materials high, and high-field electrode is sealed in the inside.
8. novel numerical control high-pressure paint film continuity detecting system according to claim 7, it is characterised in that：The high pressure inspection
The centre of gauge head and the high-field electrode for being sealed in the inside is provided with notched circular port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710074910.8A CN106706711A (en) | 2017-02-10 | 2017-02-10 | Novel numerical control high-voltage paint film continuous-detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710074910.8A CN106706711A (en) | 2017-02-10 | 2017-02-10 | Novel numerical control high-voltage paint film continuous-detection system |
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| Publication Number | Publication Date |
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| CN106706711A true CN106706711A (en) | 2017-05-24 |
Family
ID=58910921
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| CN201710074910.8A Withdrawn CN106706711A (en) | 2017-02-10 | 2017-02-10 | Novel numerical control high-voltage paint film continuous-detection system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107179333A (en) * | 2017-06-20 | 2017-09-19 | 巴斯夫上海涂料有限公司 | Detect method and its application of the electrodeposited paint film to base material side along protective value |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170524 |