CN2090533U - Metal corrosion resistant coating tester - Google Patents
Metal corrosion resistant coating tester Download PDFInfo
- Publication number
- CN2090533U CN2090533U CN 91206465 CN91206465U CN2090533U CN 2090533 U CN2090533 U CN 2090533U CN 91206465 CN91206465 CN 91206465 CN 91206465 U CN91206465 U CN 91206465U CN 2090533 U CN2090533 U CN 2090533U
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- circuit
- utility
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- 239000002184 metal Substances 0.000 title claims abstract description 15
- 239000011248 coating agent Substances 0.000 title claims abstract description 14
- 238000000576 coating method Methods 0.000 title claims abstract description 14
- 238000005260 corrosion Methods 0.000 title abstract description 5
- 230000007797 corrosion Effects 0.000 title abstract description 5
- 239000003990 capacitor Substances 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000005622 photoelectricity Effects 0.000 claims description 2
- 238000007599 discharging Methods 0.000 abstract 1
- 230000010354 integration Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000002401 inhibitory effect Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
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Abstract
The utility model relates to a metal corrosion resistant coating tester comprising a high voltage output circuit and an acoustics generating circuit, and the utility model also comprises a tunable impulse circuit, a switch circuit, an input circuit and a level detecting circuit. The output end of the tunable impulse circuit and the input end of the switch circuit are connected at edges, the output end of the switch circuit and the input end of the high voltage output circuit are connected, and the output end of the input circuit and the input end of the level detecting circuit are connected. The output voltage of the utility model can be tunable continuously, and the photocoupling technique is adopted to pick the discharging signal, which advances the interference resistant capacity of the apparatus, and the utility model is of high density of integration and lower cost.
Description
The utility model relates to a kind of anti-corrosive metal coating detector.
Existing anti-corrosive metal coating detector uses discrete component to constitute basic circuit unit, output voltage stepping discrete adjustment, the circuit structure more complicated, can't select to export the free voltage between the gear, each grade output voltage error is also bigger, makes troubles to use.Instrument uses of a specified duration, and component parameter changes slightly, the abnormal conditions that low-grade location voltage is higher than high tap position voltage often occurs.Because original technology voltage detecting circuit design is unreasonable, during use, corrosion-inhibiting coating can occur not by voltage breakdown, instrument is just from ring, and is even more serious when this phenomenon is exported more than 5KV.
The purpose of this utility model provides a kind of employing integrated digital electronic technology, has continuous adjustable output voltage pulse, and antijamming capability is strong, the anti-corrosive metal coating detector that the output voltage precision is high.
The purpose of this utility model is achieved in that the utility model comprises high-voltage output circuit and sound generating circuit, and according to feature of the present utility model, it also comprises adjustable pulsing circuit, on-off circuit, input circuit and level sensitive circuit; Wherein adjustable pulsing circuit output terminal links to each other with the on-off circuit input end, and the on-off circuit output terminal links to each other with the high-voltage output circuit input end; The input circuit output terminal links to each other with the level sensitive circuit input end.Described adjustable pulsing circuit is by phase inverter U1, U2, capacitor C1, and adjustable resistance RW and resistor R are formed.Described input circuit comprises a photoelectric coupled device GD, and the input end of photoelectricity coupling links to each other with metal electrode B, and output terminal links to each other with phase inverter U3 input stage.According to other feature of the utility model, described adjustable pulsing circuit also can be by phase inverter U1 ', U2 ' capacitor C ', adjustable resistance RW ', and resistance R 1 ', diode D ' connects to form.
Compared with prior art, advantage of the present utility model and good effect are significant.The utility model adopts TTL or cmos digital integrated circuit to realize, has improved the integrated level and the reliability of product, has reduced cost.2. the utility model output voltage range of adjustment reaches 1KV～20KV, and the output voltage pulse is adjustable continuously.3. the utility model has the size of voltage table indication output voltage, can keep the accurate of output voltage by the voltage-regulation knob, has improved the precision of output voltage.4. the utility model adopts photoelectric coupling technology to pick up discharge signal, has improved equipment anti-interference ability, under any voltage condition, can not occur from ring.
Fig. 1 is the utility model schematic block circuit diagram.
Fig. 2 is first embodiment circuit theory diagrams of the utility model.
Fig. 3 is second embodiment circuit theory diagrams of the utility model.
Fig. 4 is the utility model face domain.
Describe characteristics of the present utility model and enforcement in detail below in conjunction with accompanying drawing.
Referring to Fig. 1, be the utility model schematic block circuit diagram.The utility model is made up of adjustable pulsing circuit, on-off circuit, output circuit, input circuit, level sensitive circuit and sound generating circuit.Circuit is work like this, and B holds and linked to each other by matel coated, and the brush that the A end connects whips at coating surface, as careless mistakes such as pin holes, will discharge between brush and the metal.Here, adjustable pulsing circuit produces the pulse signal of a pulsewidth or frequency adjustable, and it is elementary to deliver to output circuit through on-off circuit, at high-voltage pulse signal of A end output.Between brush and metal, discharge, it is elementary that this discharge signal is sent into input circuit through the B end, handle through level detection, when discharge signal during greater than certain threshold voltage, starting sound generating circuit makes loudspeaker BY send the sound, during detection, can select the output circuit pulse height according to the thickness of corrosion-inhibiting coating, thereby reach the purpose of anti-corrosive metal coating leak detection.
Referring to Fig. 2, show first kind of embodiment circuit theory diagrams of the utility model.Adjustable pulsing circuit is by phase inverter U1, U2 among the figure, capacitor C1, adjustable resistance RW and resistance R 1 are formed, on-off circuit comprises switch triode BG1, the BG2 of two cascades, the collector output of BG1 is connected with the transformer B primary coil of output circuit, the base stage of triode BG2 and the output terminal of adjustable pulsing circuit are that the output terminal of U1 links to each other, and the transformer B secondary coil in the output circuit links to each other with the brush of terminal A.In the present embodiment, input circuit is photoelectrical coupler GD, and photoelectrical coupler GD output links to each other with the level sensitive circuit input end, and promptly the input end with the U3 phase inverter links to each other, the diode D of the reversal connection of output series connection of phase inverter U3, the anode of diode D links to each other with sound generating circuit.In the present embodiment, sound generating circuit is by phase inverter U4, U5, resistance R 2, the oscillator that capacitor C 2 constitutes is formed, this oscillator output is that the base stage that loudspeaker drive triode BG3 is received in U5 output, when oscillator is worked, makes loudspeaker BY send the sound through triode BG3.
Fig. 3 shows second embodiment of the present utility model, and in the present embodiment, input circuit has adopted the mode of transformer coupled isolation.Adjustable pulsing circuit is by phase inverter U1 ', U2 ' capacitor C ', adjustable resistance RW ', and resistance R 1 ', diode D ' connects to form.
Fig. 4 shows panel figure of the present utility model.Panel is provided with voltage table, voltage indicator lamp, loudspeaker window, switch, voltage-regulation knob, A, B line line post.
Claims (4)
1, anti-corrosive metal coating detector comprises high-voltage output circuit and sound generating circuit, it is characterized in that it also comprises adjustable pulsing circuit, on-off circuit, input circuit and level sensitive circuit; Wherein adjustable pulsing circuit output terminal links to each other with the on-off circuit input end, and the on-off circuit output terminal links to each other with the high-voltage output circuit input end; The input circuit output terminal links to each other with the level sensitive circuit input end.
2, by the anti-corrosive metal coating detector of claim 1, it is characterized in that described adjustable pulsing circuit by phase inverter U1, U2, capacitor C1, adjustable resistance RW and resistor R are formed.
3, by the anti-corrosive metal coating detector of claim 1, it is characterized in that described input circuit comprises a photoelectric coupled device GD, the input end of photoelectricity coupling links to each other with metal electrode B, and output terminal links to each other with phase inverter U3 input stage.
4, by the anti-corrosive metal coating detector of claim 1, it is characterized in that described adjustable pulsing circuit by phase inverter U1 ', U2 ' capacitor C ', adjustable resistance RW ', resistance R 1 ', diode D ' connects to form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91206465 CN2090533U (en) | 1991-04-24 | 1991-04-24 | Metal corrosion resistant coating tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91206465 CN2090533U (en) | 1991-04-24 | 1991-04-24 | Metal corrosion resistant coating tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2090533U true CN2090533U (en) | 1991-12-11 |
Family
ID=4916116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 91206465 Withdrawn CN2090533U (en) | 1991-04-24 | 1991-04-24 | Metal corrosion resistant coating tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2090533U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101363811B (en) * | 2007-08-08 | 2011-11-30 | 骆立波 | Automatic detection and recording device for completeness integrity of coated film |
| CN103675029A (en) * | 2012-09-10 | 2014-03-26 | 韦尔斯特里姆国际有限公司 | Detection apparatus and method |
| CN107677703A (en) * | 2017-09-22 | 2018-02-09 | 铜陵泽辉电子有限责任公司 | A kind of metallized film precision intellectualized detection method of capacitor |
| CN111289570A (en) * | 2020-03-30 | 2020-06-16 | 天津大学 | Component coating debonding nondestructive testing device |
-
1991
- 1991-04-24 CN CN 91206465 patent/CN2090533U/en not_active Withdrawn
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101363811B (en) * | 2007-08-08 | 2011-11-30 | 骆立波 | Automatic detection and recording device for completeness integrity of coated film |
| CN103675029A (en) * | 2012-09-10 | 2014-03-26 | 韦尔斯特里姆国际有限公司 | Detection apparatus and method |
| CN103675029B (en) * | 2012-09-10 | 2018-05-08 | 通用电气石油和天然气英国有限公司 | Detection device and method |
| US10132714B2 (en) | 2012-09-10 | 2018-11-20 | Ge Oil & Gas Uk Limited | Detection apparatus and method |
| CN107677703A (en) * | 2017-09-22 | 2018-02-09 | 铜陵泽辉电子有限责任公司 | A kind of metallized film precision intellectualized detection method of capacitor |
| CN111289570A (en) * | 2020-03-30 | 2020-06-16 | 天津大学 | Component coating debonding nondestructive testing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |