Compressor, Monitoring System, and Method of Monitoring Compressor
A compressor, a monitoring system and a method of monitoring a compressor that make it possible to monitor the remaining lifetime of a semiconductor element of a motor control system while the processing load is reduced are provided. A compressor (1) includes: a motor control system (10) that contro...
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| creator | TAKANUKI, Akihiro TASHIMA, Kiyomi OKUBO, Tomofumi SUZUKI, Norinaga |
| description | A compressor, a monitoring system and a method of monitoring a compressor that make it possible to monitor the remaining lifetime of a semiconductor element of a motor control system while the processing load is reduced are provided. A compressor (1) includes: a motor control system (10) that controls the rotation speed of a motor (2); a compressor body (3) that compresses air by being driven by the motor (2); a pressure sensor (20) that is provided on the discharge side of the compressor body (3); and a running controller (11) that performs switching between load running and no-load running on the basis of the pressure sensed by the pressure sensor (20). A motor controller (26) of the motor control system (10) calculates a relative temperature of a semiconductor element relative to a reference temperature by using a temperature of the semiconductor element sensed by a temperature sensor (27) at the time of switching from no-load running to load running, and calculates an amount of change in a remaining lifetime of the semiconductor element corresponding to the relative temperature of the semiconductor element, whereby monitoring the remaining lifetime of the semiconductor element. |
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A compressor (1) includes: a motor control system (10) that controls the rotation speed of a motor (2); a compressor body (3) that compresses air by being driven by the motor (2); a pressure sensor (20) that is provided on the discharge side of the compressor body (3); and a running controller (11) that performs switching between load running and no-load running on the basis of the pressure sensed by the pressure sensor (20). A motor controller (26) of the motor control system (10) calculates a relative temperature of a semiconductor element relative to a reference temperature by using a temperature of the semiconductor element sensed by a temperature sensor (27) at the time of switching from no-load running to load running, and calculates an amount of change in a remaining lifetime of the semiconductor element corresponding to the relative temperature of the semiconductor element, whereby monitoring the remaining lifetime of the semiconductor element.</description><language>eng</language><subject>BLASTING ; HEATING ; LIGHTING ; MEASURING ; MEASURING ELECTRIC VARIABLES ; MEASURING MAGNETIC VARIABLES ; MECHANICAL ENGINEERING ; PHYSICS ; POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS ; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS ; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTMACHINES FOR LIQUIDS ; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTPUMPS ; TESTING ; WEAPONS</subject><creationdate>2022</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20220818&DB=EPODOC&CC=US&NR=2022260075A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76290</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20220818&DB=EPODOC&CC=US&NR=2022260075A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>TAKANUKI, Akihiro</creatorcontrib><creatorcontrib>TASHIMA, Kiyomi</creatorcontrib><creatorcontrib>OKUBO, Tomofumi</creatorcontrib><creatorcontrib>SUZUKI, Norinaga</creatorcontrib><title>Compressor, Monitoring System, and Method of Monitoring Compressor</title><description>A compressor, a monitoring system and a method of monitoring a compressor that make it possible to monitor the remaining lifetime of a semiconductor element of a motor control system while the processing load is reduced are provided. 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A motor controller (26) of the motor control system (10) calculates a relative temperature of a semiconductor element relative to a reference temperature by using a temperature of the semiconductor element sensed by a temperature sensor (27) at the time of switching from no-load running to load running, and calculates an amount of change in a remaining lifetime of the semiconductor element corresponding to the relative temperature of the semiconductor element, whereby monitoring the remaining lifetime of the semiconductor element.</description><subject>BLASTING</subject><subject>HEATING</subject><subject>LIGHTING</subject><subject>MEASURING</subject><subject>MEASURING ELECTRIC VARIABLES</subject><subject>MEASURING MAGNETIC VARIABLES</subject><subject>MECHANICAL ENGINEERING</subject><subject>PHYSICS</subject><subject>POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS</subject><subject>PUMPS FOR LIQUIDS OR ELASTIC FLUIDS</subject><subject>ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTMACHINES FOR LIQUIDS</subject><subject>ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTPUMPS</subject><subject>TESTING</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2022</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZHByzs8tKEotLs4v0lHwzc_LLMkvysxLVwiuLC5JzdVRSMxLUfBNLcnIT1HIT0NWgNDHw8CalphTnMoLpbkZlN1cQ5w9dFML8uNTiwsSk1PzUkviQ4ONDIyMjMwMDMxNHQ2NiVMFAPjCMt0</recordid><startdate>20220818</startdate><enddate>20220818</enddate><creator>TAKANUKI, Akihiro</creator><creator>TASHIMA, Kiyomi</creator><creator>OKUBO, Tomofumi</creator><creator>SUZUKI, Norinaga</creator><scope>EVB</scope></search><sort><creationdate>20220818</creationdate><title>Compressor, Monitoring System, and Method of Monitoring Compressor</title><author>TAKANUKI, Akihiro ; TASHIMA, Kiyomi ; OKUBO, Tomofumi ; SUZUKI, Norinaga</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US2022260075A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2022</creationdate><topic>BLASTING</topic><topic>HEATING</topic><topic>LIGHTING</topic><topic>MEASURING</topic><topic>MEASURING ELECTRIC VARIABLES</topic><topic>MEASURING MAGNETIC VARIABLES</topic><topic>MECHANICAL ENGINEERING</topic><topic>PHYSICS</topic><topic>POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS</topic><topic>PUMPS FOR LIQUIDS OR ELASTIC FLUIDS</topic><topic>ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTMACHINES FOR LIQUIDS</topic><topic>ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTPUMPS</topic><topic>TESTING</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>TAKANUKI, Akihiro</creatorcontrib><creatorcontrib>TASHIMA, Kiyomi</creatorcontrib><creatorcontrib>OKUBO, Tomofumi</creatorcontrib><creatorcontrib>SUZUKI, Norinaga</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>TAKANUKI, Akihiro</au><au>TASHIMA, Kiyomi</au><au>OKUBO, Tomofumi</au><au>SUZUKI, Norinaga</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Compressor, Monitoring System, and Method of Monitoring Compressor</title><date>2022-08-18</date><risdate>2022</risdate><abstract>A compressor, a monitoring system and a method of monitoring a compressor that make it possible to monitor the remaining lifetime of a semiconductor element of a motor control system while the processing load is reduced are provided. 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A motor controller (26) of the motor control system (10) calculates a relative temperature of a semiconductor element relative to a reference temperature by using a temperature of the semiconductor element sensed by a temperature sensor (27) at the time of switching from no-load running to load running, and calculates an amount of change in a remaining lifetime of the semiconductor element corresponding to the relative temperature of the semiconductor element, whereby monitoring the remaining lifetime of the semiconductor element.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng |
| recordid | cdi_epo_espacenet_US2022260075A1 |
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| subjects | BLASTING HEATING LIGHTING MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES MECHANICAL ENGINEERING PHYSICS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTMACHINES FOR LIQUIDS ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTPUMPS TESTING WEAPONS |
| title | Compressor, Monitoring System, and Method of Monitoring Compressor |
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