Design of Intrinsic Safety Current-frequency Conversion Circuit Based on PIC Single-chip Microcomputer
In view of problem of diversity existed in signal output forms of analog sensor, an intrinsic safety current-frequency conversion circuit based on PIC single-chip microcomputer was designed. The circuit uses intrinsic safety power supply, and converts analog current signal into voltage signal throug...
| Main Author: | |
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| Format: | Article |
| Language: | zho |
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Editorial Department of Industry and Mine Automation
2012-10-01
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| Series: | Gong-kuang zidonghua |
| Subjects: | |
| Online Access: | http://www.gkzdh.cn/article/id/8697 |
| _version_ | 1797868586368237568 |
|---|---|
| author | ZHAO Guang-xu |
| author_facet | ZHAO Guang-xu |
| author_sort | ZHAO Guang-xu |
| collection | DOAJ |
| description | In view of problem of diversity existed in signal output forms of analog sensor, an intrinsic safety current-frequency conversion circuit based on PIC single-chip microcomputer was designed. The circuit uses intrinsic safety power supply, and converts analog current signal into voltage signal through grounded sampling resistance with high precision and the signal is sent to A/D sampling interface of PIC single-chip microcomputer, then the signal is converted into frequency signal after processed by software. The actual application shows that the circuit can meet with requirements of various current type sensors accessed in coal mine safety monitoring and control system. |
| first_indexed | 2024-04-09T23:58:17Z |
| format | Article |
| id | doaj.art-b630ce23f0d14914a70543da9711e6c8 |
| institution | Directory Open Access Journal |
| issn | 1671-251X |
| language | zho |
| last_indexed | 2024-04-09T23:58:17Z |
| publishDate | 2012-10-01 |
| publisher | Editorial Department of Industry and Mine Automation |
| record_format | Article |
| series | Gong-kuang zidonghua |
| spelling | doaj.art-b630ce23f0d14914a70543da9711e6c82023-03-17T01:59:52ZzhoEditorial Department of Industry and Mine AutomationGong-kuang zidonghua1671-251X2012-10-0138107072Design of Intrinsic Safety Current-frequency Conversion Circuit Based on PIC Single-chip MicrocomputerZHAO Guang-xuIn view of problem of diversity existed in signal output forms of analog sensor, an intrinsic safety current-frequency conversion circuit based on PIC single-chip microcomputer was designed. The circuit uses intrinsic safety power supply, and converts analog current signal into voltage signal through grounded sampling resistance with high precision and the signal is sent to A/D sampling interface of PIC single-chip microcomputer, then the signal is converted into frequency signal after processed by software. The actual application shows that the circuit can meet with requirements of various current type sensors accessed in coal mine safety monitoring and control system.http://www.gkzdh.cn/article/id/8697coal mine, safety monitoring and control, current type sensor, intrinsic safety, current-frequency conversion, pic single-chip microcomputer |
| spellingShingle | ZHAO Guang-xu Design of Intrinsic Safety Current-frequency Conversion Circuit Based on PIC Single-chip Microcomputer Gong-kuang zidonghua coal mine, safety monitoring and control, current type sensor, intrinsic safety, current-frequency conversion, pic single-chip microcomputer |
| title | Design of Intrinsic Safety Current-frequency Conversion Circuit Based on PIC Single-chip Microcomputer |
| title_full | Design of Intrinsic Safety Current-frequency Conversion Circuit Based on PIC Single-chip Microcomputer |
| title_fullStr | Design of Intrinsic Safety Current-frequency Conversion Circuit Based on PIC Single-chip Microcomputer |
| title_full_unstemmed | Design of Intrinsic Safety Current-frequency Conversion Circuit Based on PIC Single-chip Microcomputer |
| title_short | Design of Intrinsic Safety Current-frequency Conversion Circuit Based on PIC Single-chip Microcomputer |
| title_sort | design of intrinsic safety current frequency conversion circuit based on pic single chip microcomputer |
| topic | coal mine, safety monitoring and control, current type sensor, intrinsic safety, current-frequency conversion, pic single-chip microcomputer |
| url | http://www.gkzdh.cn/article/id/8697 |
| work_keys_str_mv | AT zhaoguangxu designofintrinsicsafetycurrentfrequencyconversioncircuitbasedonpicsinglechipmicrocomputer |