A method for spark rejection in ultraviolet flame detectors
A novel method is presented to render ultraviolet (UV) flame detectors insensitive to ignition spark radiation. The method involves isolating the signal due to the sparks from the UV sensor output and subtracting a DC signal proportional to it from the output of the flame detector sensor system. A p...
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| Veröffentlicht in: | IEEE transactions on industrial electronics (1982) 2000-02, Vol.47 (1), p.168-174 |
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| container_end_page | 174 |
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| container_issue | 1 |
| container_start_page | 168 |
| container_title | IEEE transactions on industrial electronics (1982) |
| container_volume | 47 |
| creator | Pauchard, A.R. Manic, D. Flanagan, A. Besse, P.A. Popovic, R.S. |
| description | A novel method is presented to render ultraviolet (UV) flame detectors insensitive to ignition spark radiation. The method involves isolating the signal due to the sparks from the UV sensor output and subtracting a DC signal proportional to it from the output of the flame detector sensor system. A practical demonstration of the method is given using a commercially available UV flame detector with the addition of an analog circuit to perform the necessary signal processing. A selectivity improvement to spark radiation of greater than 130 has been obtained. The method is robust in that it is independent of the distance between the light source and the flame detector and has been designed to work with different spark generators found on the market. The analog circuit is simple, requiring few components, thus ensuring rugged, fail-safe operation and low cost. |
| doi_str_mv | 10.1109/41.824139 |
| format | Article |
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The method involves isolating the signal due to the sparks from the UV sensor output and subtracting a DC signal proportional to it from the output of the flame detector sensor system. A practical demonstration of the method is given using a commercially available UV flame detector with the addition of an analog circuit to perform the necessary signal processing. A selectivity improvement to spark radiation of greater than 130 has been obtained. The method is robust in that it is independent of the distance between the light source and the flame detector and has been designed to work with different spark generators found on the market. 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The analog circuit is simple, requiring few components, thus ensuring rugged, fail-safe operation and low cost.</description><subject>Analog circuits</subject><subject>Costs</subject><subject>Detectors</subject><subject>Fires</subject><subject>Ignition</subject><subject>Light sources</subject><subject>Low cost</subject><subject>Markets</subject><subject>Radiation detectors</subject><subject>Rejection</subject><subject>Robustness</subject><subject>Sensor systems</subject><subject>Sensors</subject><subject>Signal processing</subject><subject>Sparks</subject><subject>Ultraviolet</subject><issn>0278-0046</issn><issn>1557-9948</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2000</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNpd0M1LxDAQBfAgCq6rB6-eghfx0DXTZLYpnpbFL1jwoucQmwl2bZs1aQX_eytdPHiaw_sxPB5j5yAWAKK8UbDQuQJZHrAZIBZZWSp9yGYiL3QmhFoes5OUtkKAQsAZu13xlvr34LgPkaedjR880paqvg4drzs-NH20X3VoqOe-sS1xR_0Yh5hO2ZG3TaKz_Z2z1_u7l_Vjtnl-eFqvNlklBfaZdAKLwmKJoAv55gV55xSicI4qUtrnsvRLsFBhgQ5yVaAe25GUORWATs7Z1fR3F8PnQKk3bZ0qahrbURiSKUEtlUIlR3n5T27DELuxnNEahVIa9YiuJ1TFkFIkb3axbm38NiDM74hGgZlGHO3FZGsi-nP78Ady5WpH</recordid><startdate>20000201</startdate><enddate>20000201</enddate><creator>Pauchard, A.R.</creator><creator>Manic, D.</creator><creator>Flanagan, A.</creator><creator>Besse, P.A.</creator><creator>Popovic, R.S.</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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The method involves isolating the signal due to the sparks from the UV sensor output and subtracting a DC signal proportional to it from the output of the flame detector sensor system. A practical demonstration of the method is given using a commercially available UV flame detector with the addition of an analog circuit to perform the necessary signal processing. A selectivity improvement to spark radiation of greater than 130 has been obtained. The method is robust in that it is independent of the distance between the light source and the flame detector and has been designed to work with different spark generators found on the market. The analog circuit is simple, requiring few components, thus ensuring rugged, fail-safe operation and low cost.</abstract><cop>New York</cop><pub>IEEE</pub><doi>10.1109/41.824139</doi><tpages>7</tpages></addata></record> |
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| identifier | ISSN: 0278-0046 |
| ispartof | IEEE transactions on industrial electronics (1982), 2000-02, Vol.47 (1), p.168-174 |
| issn | 0278-0046 1557-9948 |
| language | eng |
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| source | IEEE Electronic Library (IEL) |
| subjects | Analog circuits Costs Detectors Fires Ignition Light sources Low cost Markets Radiation detectors Rejection Robustness Sensor systems Sensors Signal processing Sparks Ultraviolet |
| title | A method for spark rejection in ultraviolet flame detectors |
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