Capacitive Proximity
Todays deals on Capacitive Proximity?
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10 Fotek Capacitive Proximity Sensor CP18-30N 20mm NPN $422.00 |
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5pc Fotek Capacitive Proximity Sensor CP30-50S 30mm SCR $269.00 |
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5pc Fotek Capacitive Proximity Sensor CP30-50C 30mm $240.00 |
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New Efector 100 Capacitive Proximity Switch KD0024 KDE2060-FBOA/NI/NPT $235.00 |
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5pc Fotek Capacitive Proximity Sensor CP18-30P 20mm PNP $211.00 |
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2 – IFM KG0005 Capacitive Proximity Switch KG-2008-AB0A $208.00 |
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4 – IFM KG0003 Capacitive Proximity Switch KG-2008-BB0A $208.00 |
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TURCK Capacitive Proximity Sensor $170.00 |
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efector capacitive proximity sensor switch KIE2015-FBOA KI 0034 $199.99 |
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efector capacitive proximity sensor switch KI 0205 KI 0034-FBOA / NI $199.99 |
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MEW IFM EFECTOR CAPACITIVE PROXIMITY SWITCH 10-36 VDC MODEL KI3015APKG $169.99 |
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OMRON CAPACITIVE PROXIMITY SWITCH E2K-X15MF1 (NEW) $157.71 |
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TURCK BC 10-M30-AP4X CAPACITIVE PROXIMITY SENSOR 25010 $154.71 |
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Autonics Capacitive Proximity Sensor CR18-8DP (CR188DP) $173.00 |
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Lot of 3 Omron E2K-C25ME1 Capacitive Proximity Switch $138.00 |
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NEW CARLO GAVAZZI EC3016NPASL CAPACITIVE PROXIMITY $169.99 |
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NEW OMRON CAPACITIVE PROXIMITY SWITCH MODEL 10-40 VDC E2K-C25ME2 $159.99 |
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Allen Bradley Capacitive Proximity Switch 875CP-N20NP30-A2 (6088) $155.00 |
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TURCK Ni8-M18T-AZ3X CAPACITIVE PROXIMITY SENSOR 43121 $137.33 |
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KOYO PROXIMITY SWITCH CAPACITIVE ENCODER CS-16-5N / 5GC-5300-02I KOMORI $125.00 |
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ALLEN BRADLEY 875CP-G8N18-A2 SER. A CAPACITIVE PROXIMITY SENSOR – NIB- 1 YR WARR $150.00 |
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Allen Bradley Capacitive Proximity Switch 875C-D2NP12-P3 10-30 VDC 200mA(5480) $140.00 |
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NEW IFM EFECTOR CAPACITIVE PROXIMITY SWITCH 10-36 VDC MODEL K15207 $139.00 |
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Autonics Capacitive Proximity SensorCR30-15DP(CR3015DP) $140.00 |
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ALLEN BRADLEY 875C-D2NP12-P3 CAPACITIVE PROXIMITY SWITCH ***NIB*** $129.00 |
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OMRON E2K-X15MF1 CAPACITIVE PROXIMITY SWITCH 12-24VDC NIB $138.60 |
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NEW BALLUFF CAPACITIVE PROXIMITY SWITCH 10-35 VDC MODEL SK1-15-M18-P-NB-S $129.99 |
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Omron Capacitive Proximity Sensor E2K-C25ME1 M12 NO NIB $136.99 |
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Omron Capacitive Proximity Sensor E2K-X4ME1 DC12-24 NIB $133.99 |
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NIB CUTTLER-HAMMER E53KAL34A2E TUBULAR CAPACITIVE PROXIMITY SENSOR $125.00 |
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OMRON E2K-C25ME2-5 Capacitive proximity switch NEW $88.00 |
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Allen Bradley Capacitive Proximity Switch 875C-D2NP12P3 NIP (4451) $120.00 |
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Balluff BCS M30B4M2-PPM20C-S04G Capacitive proximity switch NEW!! $100.00 |
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IFM EFECTOR KD5042 CAPACITIVE PROXIMITY SENSOR $124.99 |
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SIEMENS CAPACITIVE PROXIMITY SWITCH SENSOR 3RG1614-0LB00 20-250VAC 2 WIRE NO NEW $124.40 |
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Omron Capacitive Proximity Switch E2K-C25MF1 NEW IN BOX 10 to 40 VDC E2KC25MF1 $59.14 |
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NEW OMRON CAPACITIVE PROXIMITY SWITCH 12-24 VDC MODEL E2K-X8MF1 $109.99 |
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NEW OMRON CAPACITIVE PROXIMITY SWITCH 1 MODEL E2K-X8MF1 $114.99 |
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OMRON E2K -C25ME1 CAPACITIVE PROXIMITY SWITCH 10-40VDC $119.99 |
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NEW IFM EFECTOR CAPACITIVE PROXIMITY SWITCH MODEL IGA2008BBOA $110.99 |
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CARLO GAVAZZI EC3015TBCP PROXIMITY SWITCH CAPACITIVE $110.00 |
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NIB OMRON CAPACITIVE PROXIMITY SWITCH E2K-C25MY1 NEW $110.00 |
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CUTLER-HAMMER E53KAL30A2E TUBULAR CAPACITIVE PROXIMITY SENSOR 20-250 VAC $110.00 |
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SQUARE D 9006 DPJA21 SER A CAPACITIVE PROXIMITY SWITCH $110.00 |
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EFECTOR KD5023 CAPACITIVE PROXIMITY SWITCH ***NIB*** $99.00 |
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LOCON LCC-M18-8-F-N-NC CAPACITIVE PROXIMITY SENSOR $99.99 |
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NEW BALLUFF SK1-FSA-D7B9/52-NNBO-CPTFE CAPACITIVE PROXIMITY $100.00 |
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NEW OMRON CAPACITIVE PROXIMITY SWITCH 10-40 VDC MODEL E2K-C25ME2 $96.99 |
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OMRON CAPACITIVE PROXIMITY SWITCH~E2K-X4ME2~NEW $95.00 |
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OMRON E2K-C25MY1 CAPACITIVE PROXIMITY SWITCH 90-250VAC 200mA MAX NIB $96.00 |
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NIB IFM EFECTOR CAPACITIVE PROXIMITY SWITCH KIE2015FBOA 8036BC15NL2CPXX (8) $95.00 |
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HTM ELECTRONICS SCAN CCM1-3020P-A3U2 10-30 VDC Capacitive DC Proximity Sensor $65.00 |
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EFECTOR CAPACITIVE PROXIMITY SWITCHER KI0206 *NEW IN BOX* $100.00 |
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BALLUFF BCS-030-PS-1-C-03 PROXIMITY SWITCH CAPACITIVE NEW $100.00 |
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OMRON E2K-X15ME1 CAPACITIVE PROXIMITY SW 12-24VDC+CABLE $89.90 |
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Omron E2K-X15MF2 capacitive proximity switch genuine NIB $97.00 |
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NEW TURCK CAPACITIVE PROXIMITY SWITCH 10-30 VDC MODEL NI8S18-AP6X-50MM7M $87.99 |
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NOS! EFECTOR CAPACITIVE PROXIMITY SWITCH KDE3060FPKG $87.95 |
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NEW IFM EFECTOR CAPACITIVE PROXIMITY SWITCH MODEL KI-3015-BPKG-1 (20 AVAILABLE) $86.99 |
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NEW OMRON E2KC25ME1 PROXIMITY SWITCH CAPACITIVE $84.99 |
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EFECTOR CAPACITIVE PROXIMITY SWITCHES KGF2008-FB0A*NEW IN BOX* $90.00 |
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E2K-X4MY1 OMRON CAPACITIVE PROXIMITY SWITCH 100 TO 240 VAC $69.00 |
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Electromatic EC3015TBCP PROXIMITY SWITCH CAPACITIVE 20-250VAC $89.99 |
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*NEW* IFM EFECTOR 100 KG5040 KGE2008-FRKG/NI CAPACITIVE PROXIMITY SWITCH $89.88 |
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OMRON E2K-C25MY2-US CAPACITIVE PROXIMITY SWTICH PILOT DUTY 100-240VAC $84.99 |
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ALLEN BRADLEY CAPACITIVE PROXIMITY SWITCH DM30NP34-D4 SER A w/CABLE $79.99 |
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Capacitive Proximity Sensor 875C-M5NP18-P3 Series A $69.99 |
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OMRON E2K-C25MY2-US CAPACITIVE PROXIMITY SWTICH PILOT DUTY 100-240VAC $82.99 |
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New AB Capacitive Proximity Switch, 875C-D5NP18-A2 $82.00 |
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Omron E2K-C25ME1 Capacitive Proximity Switch Sensor $85.67 |
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Omron Capacitive Proximity Switch E2K-C25ME2 E2KC25ME2 New in box free ship $85.00 |
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NEW IMF CAPACITIVE PROXIMITY SWITCH, KI5023 $80.00 |
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OMRON E2K-C25ME1 CAPACITIVE PROXIMITY SWITCH NPN N.O. 10-40VDC QUANTITY! $49.99 |
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OMRON E2K-X4MY1 CAPACITIVE PROXIMITY SWITCH 100-240VAC 200mA MAX NIB $74.99 |
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E2K-X4MF1 Omron New In Box Capacitive Proximity Switch E2KX4MF1 $72.99 |
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OMRON E2K-C25MY2-US CAPACITIVE PROXIMITY SWTICH PILOT DUTY 100-240VAC $74.99 |
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Turck Capacitive Proximity Sensor BCF-15-K34-AZ3X BCF15K34AZ3X $70.00 |
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SQUARE D CAPACITIVE PROXIMITY SWITCH MODEL 9006DPJA11P $69.99 |
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Efector IFM KI5001 Capacitive Proximity Switch Sensor $57.50 |
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E2K-X8MY1 Omron Capacitive Proximity Switch E2KX8MY1 $69.99 |
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UP TO 2 IFM EFECTOR CAPACITIVE PROXIMITY SWITCHES 20-250 VAC/DC $69.99 |
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Square D 9006 DPJA11N Capacitive Proximity Switch Sensor Ser A 10-40vdc 200mA $75.00 |
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NEW Omron Capacitive Proximity Switch E2K-F10MC2 BNIB $75.00 |
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Omron Capacitive Proximity Switch E2K-X25ME1 E2KX25ME1 New in box free ship $75.00 |
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Capacitive Proximity Sensor,Cutler Hammer E53CAL30A2E,new no box $67.50 |
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Omron proximity switch Capacitive E2K-X4MY2 $65.00 |
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NEW OMRON PROXIMITY SWITCH CAPACITIVE, E2K-X8ME1 $64.99 |
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Stedham electronics capacitive proximity sensor liqiud level detector new $65.00 |
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TURCK BC5Q08AN6X2 PROXIMITY SWITCH CAPACITIVE 10-30VDC $62.99 |
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Omron E2K-F10MC1 Capacitive Proximity Switch New AMAT 11506300 $70.50 |
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OMRON E2K-C25MY1 CAPACITIVE PROXIMITY SWITCH *NEW IN A BOX* $70.00 |
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Omron Capacitive Proximity Switch E2K-X18ME1 E2KX18ME1 new in box free ship $70.00 |
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ALLEN BRADLEY 875CP-N20NP30-A2 Capacitive Proximity Sen $70.00 |
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NEW EFECTOR K15065 CAPACITIVE PROXIMITY SWITCH $59.99 |
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Omron Capacitive Proximity Switch E2K-C25ME1 E2KC25ME1 New in box free ship $69.99 |
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IFM Effector Capacitive Proximity Switch KG2008ABOA NIB $65.00 |
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New Omron Capacitive Proximity E2K-C25MY1 E2KC25MY1 $69.95 |
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OMRON Capacitive Proximity Switch E2K-C25MY2 E2KC25MY2 New in box free ship $69.00 |
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Telemecanique XT1M30FA262 Capacitive Proximity Switch Great Condition!!! $68.40 |
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KAS-90-32-S Rechner New In Box Capacitive Proximity Switch KAS9032S $59.99 |
Capacitive Proximity Questions
description of fusion splicer
With increases in optical fiber cable density in recent years, the number of cores in ribbon-type optical fibers has been progressively increased and ribbon-type optical fibers, such as 16-core or 24-core optical fibers, have been progressivelyput to practical use. In order to collectively or in one operation fusion-splice the cores in such multi-core ribbon-type optical fibers by electric discharge, it is necessary to set the distance between the electric discharge electrodes large.
However, in the above-described fusion-splicing technique disclosed in Literature 1, when the distance between the electric discharge electrodes is set large, the middle portion of the path of electric discharge generated between theelectric-discharge electrodes is attracted upward, causing the path to be curved into a bow shape. FIG. 10 is a view illustrating a heat intensity distribution around the electric discharge electrodes according to the prior art fusion-splicingtechnique. This phenomenon is caused mainly by ascending airflows, which result from ambient air heated by electric discharge. Ascending airflows are generated in the direction of the arrow illustrated in FIG. 10, and these ascending airflows cause themiddle portion of the electric discharge path to be curved in the direction of the arrow. This results in, for example, the heat intensity distribution between the electric discharge electrodes, as illustrated in FIG. 10. Thus, the end portions ofoutermost optical fibers 3 (optical fibers proximal to the electric discharge electrodes 4) and optical fibers 3 positioned around the central zone would be heated to higher temperatures than the end portions of the other optical fibers 3. As a result,the end portions of optical fibers would have varying melting amount of fused portions, which prevents all the optical fibers 3 from being collectively or in one operation successfully fusion-spliced.
Therefore, it is an object of the present invention to provide optical fiber fusion splicer which can successfully fusion-splice together the end portions of optical fibers by electric discharge, regardless of the distance between the electricdischarge electrodes.
In order to achieve the above-described object, the optical fiber fusion splicer according to the present invention comprises (a) a pair of electric discharge electrodes provided opposed to each other along a predetermined axis; (b) a conductorelectrode disposed on one side with respect to a plane with the predetermined axis contained therein; and (c) means for generating electrostatic attraction in the direction tending from the plane toward the one side, between the conductor electrode andthe electric discharge path generated between the electric discharge electrodes, the means for generating electrostatic attraction being connected to the conductor electrode; (d) wherein end portions of optical fibers disposed on the other side withrespect to the above-described plane are fusion-spliced together by the electric discharge produced between the electric discharge electrodes.
In this optical fiber fusion splicer, when electric discharge is generated between the opposed electric discharge electrodes, electrostatic attraction is generated between the path of electric discharge (hereinafter, referred to as “electricdischarge path”) and the conductor electrode disposed on the lower side with respect to the predetermined axis which extends between the electric discharge electrodes, namely, on the one side with respect to the plane including the predetermined axis. This electrostatic attraction attracts the electric discharge path towards the conductor electrode side (namely, towards the one side with respect to the above-described plane). Thus, the middle portion of the electric discharge path is prevented frombeing attracted upward by ambient air convection whereupon the electric discharge path to be curved into a bow-shape. Thus, the optical fiber fusion splicer according to the present invention is capable of fusion-splicing the end portions of opticalfibers to each other successfully, regardless of the distance between the electric discharge electrodes. This optical fiber fusion splicer is extremely effective, for example, in the case where the distance between the electric-discharge electrodes mustbe set large for collectively or in one operation fusion-splicing the respective cores of multi-core ribbon-type optical fibers. The electric-discharge path refers to the path of electrons or ionized gases, etc. resulting from electric dischargegenerated between the electric-discharge electrodes and is attributed to positive column, for example. Also, the electrostatic attraction refers to coulomb attraction, or attraction generated in accordance with Coulomb’s law, being effectively activebetween areas charged with opposite polarities by electrostatic induction.
Preferably, the means for generating electrostatic attraction includes an electrical grounding portion. By connecting the electrical grounding section, grounded to the ground, to the conductor electrode, means for generating electrostaticattraction can simply constructed.
Preferably, the means for generating electrostatic attraction further includes a capacitive element connected between the conductor electrode and the electrical grounding portion. By disposing the capacitive element, such as a condenser, betweenthe conductor electrode and the electrical grounding portion, the amount of electrostatic attraction, which is generated between the electric-discharge path and the conductor electrode, can be controlled. Thus, it becomes possible to accomplish asuitable amount of electrostatic attraction acting on the electric-discharge path.
Preferably, the capacitive element is an element the capacitance of which is variable. Thus, the amount of electrostatic attraction, which is generated between the electric-discharge path and the conductor electrode can be continuously varied,so that it is made possible to control the amount by which the electrostatic attraction attracts the electric-discharge path, corresponding to the circumstances.
The optical fiber fusion splicer according to the present invention may include at least one pair of the conductor electrodes, which are opposed to each other in a direction substantially orthogonal to the predetermined axis. In this case, themeans for generating electrostatic attraction preferably includes capacitive elements the capacitances of which are variable, and a first capacitance control section for periodically varying the capacitance of each of the capacitive elements, whereineach of the capacitive elements is connected to a respective one of the conductor electrodes. Adopting this configuration makes it possible to periodically oscillate the electric discharge path between one conductor electrode side and the otherconductor electrode side, while preventing the middle portion of the electric-discharge path from being attracted upward. Namely, it becomes possible to scan the electric-discharge path along the longitudinal direction of optical fibers.
About the Author
With increases in optical fiber cable density in recent years, the number of cores in ribbon-type optical fibers has been progressively increased and ribbon-type optical fibers, such as 16-core or 24-core optical fibers, have been progressivelyput to practical use. In order to collectively or in one operation fusion-splice the cores in such multi-core ribbon-type optical fibers by electric discharge, it is necessary to set the distance between the electric discharge electrodes large.
Capacitive Proximity Videos
Two Interactive Capacitive Proximity Sensors
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