CN103672345B - The electric interlock starting drive in oxygen compressor oil pump control loop - Google Patents
The electric interlock starting drive in oxygen compressor oil pump control loop Download PDFInfo
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- CN103672345B CN103672345B CN201310721554.6A CN201310721554A CN103672345B CN 103672345 B CN103672345 B CN 103672345B CN 201310721554 A CN201310721554 A CN 201310721554A CN 103672345 B CN103672345 B CN 103672345B
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Abstract
The electric interlock starting drive in oxygen compressor oil pump control loop, relate to oxygen compressor oil pump interlocked startup device, the present invention is in order to solve existing oxygen compressor in unexpected power-off, oxygen compressor operates when losing fuel feeding because oil pump is shut down and makes the problem of bearing oil starvation generation high temperature, the present invention includes oxygen compressor main oil pump, oxygen compressor main oil pump control loop, main oil pump control contactor and control knob, auxiliary oil pump control loop, auxiliary oil pump control contactor and control knob, it also comprises new oil-adding pump, newly-increased oil pump control contactor, control start button and break-make throw over switch, new oil-adding pump is identical with the structure of auxiliary oil pump, the control loop of new oil-adding pump is connected in parallel in auxiliary oil pump control loop, newly-increased oil pump control contactor is connected in parallel in the circuit of auxiliary oil pump control loop with control start button, the oily output terminal of new oil-adding pump and the oily output terminal of auxiliary oil pump are attempted by the oily input end of oxygen compressor bearing.The present invention is applicable to oxygen compressor oil pump interlocked startup.
Description
Technical field
The present invention relates to oxygen compressor oil pump interlocked startup device.
Background technique
When the unexpected power-off of main oil pump power-supply system; oxygen compressor main oil pump is shut down, and oxygen compressor operates when main oil pump shutdown auxiliary oil pump can not start in time and lose fuel feeding and makes bearing oil starvation produce high temperature, causes high-pressure cylinder coupling to twist off; high pressure rotor bearing softening transform, bearing shell, thrust bearing burn out.Simultaneously oxygen compressor long-play, before and after high-pressure cylinder, the long-term gas leakage of sealing, forms local oxygen-rich area, and at this region Yin Gaowen, oxygen enrichment and occur combustion phenomena, easily burn operator, finally leads to a disaster.
Summary of the invention
The object of the invention is to solve existing oxygen compressor main oil pump in unexpected power-off; oxygen compressor operates when losing fuel feeding because main oil pump shutdown auxiliary oil pump can not start in time and makes the problem of bearing oil starvation generation high temperature, provides a kind of electric interlock starting drive of oxygen compressor oil pump control loop.
The electric interlock starting drive in oxygen compressor oil pump control loop, it comprises oxygen compressor main oil pump, oxygen compressor main oil pump control loop, main oil pump control contactor and control knob, auxiliary oil pump control loop, auxiliary oil pump control contactor and control knob, it also comprises new oil-adding pump, newly-increased oil pump control contactor, control start button and break-make throw over switch, new oil-adding pump is identical with the structure of auxiliary oil pump, the control loop of new oil-adding pump is connected in parallel in auxiliary oil pump control loop, newly-increased oil pump control contactor is connected in parallel in the circuit of auxiliary oil pump control loop with control start button, break-make throw over switch is connected among oxygen compressor main oil pump control loop and newly-increased oil pump control loop, the control start button of new oil-adding pump is by throw over switch and be connected on the normally closed auxiliary contact of the control contactor of main oil pump, the control start button of main oil pump is by throw over switch and be connected on the normally closed auxiliary contact of the control contactor of newly-increased oil pump, it is newly-increased that oil pump control contactor normally closed auxiliary contact is corresponding with main oil pump control contactor auxiliary contact is attempted by two normally closed auxiliary joints of break-make throw over switch, the oily output terminal of new oil-adding pump and the oily output terminal of auxiliary oil pump are attempted by the oily input end of oxygen compressor bearing.
The present invention is by newly increasing an oil pump; and in oil pump control loop, set up the automatic starting-up later time of electrical interlocks; make main oil pump contactor because of the reasons such as over current of motor trip protection or dead electricity cause the stall of main oil pump motor dead electricity time; the new oil-adding pump of direct startup is oxygen compressor oiling, avoids the parking accident that oxygen compressor jumping car causes.
Accompanying drawing explanation
Fig. 1 is circuit connection diagram of the present invention.
Embodiment
Embodiment one: composition graphs 1 illustrates present embodiment, the electric interlock starting drive in oxygen compressor oil pump control loop described in present embodiment, it comprises oxygen compressor main oil pump, oxygen compressor main oil pump control loop L1, main oil pump control contactor KM1 and control knob SB2, auxiliary oil pump control loop L2, auxiliary oil pump control contactor KM3 and control knob SB6, it also comprises new oil-adding pump, newly-increased oil pump control contactor KM2, control start button SB4 and break-make throw over switch SA, new oil-adding pump is identical with the structure of auxiliary oil pump, the control loop of new oil-adding pump is connected in parallel in auxiliary oil pump control loop L2, newly-increased oil pump control contactor KM2 is connected in parallel in the circuit of auxiliary oil pump control loop L2 with control start button SB4, break-make throw over switch SA is connected among oxygen compressor main oil pump control loop L1 and newly-increased oil pump control loop L2, the control start button SB4 of new oil-adding pump is by throw over switch SA and be connected on the normally closed auxiliary contact KM1 of the control contactor of main oil pump, the control start button SB2 of main oil pump is by throw over switch SA and be connected on the normally closed auxiliary contact KM2 of the control contactor of newly-increased oil pump, it is newly-increased that oil pump control contactor normally closed auxiliary contact KM2 is corresponding with main oil pump control contactor auxiliary contact KM1 is attempted by two normally closed auxiliary joints of break-make throw over switch SA, the oily output terminal of new oil-adding pump and the oily output terminal of auxiliary oil pump are attempted by the oily input end of oxygen compressor bearing.
Oxygen compressor auxiliary oil pump of the present invention, oxygen compressor auxiliary oil pump control loop L2, auxiliary oil pump control contactor KM3, auxiliary oil pump control contactor coil KM3 are connected in parallel in the circuit of oxygen compressor auxiliary oil pump control loop L2 with control start button SB6, new oil-adding pump, newly-increased oil pump control loop L2, newly-increased oil pump control contactor KM2, newly-increased oil pump control contactor coil KM2 are connected in parallel on oxygen compressor with control start button SB4 and increase newly in the circuit of oil pump control loop L2, and it also comprises a break-make throw over switch SA.New oil-adding pump is identical with the structure of main oil pump with auxiliary oil pump, auxiliary oil pump control loop forms identical with the circuit of main oil pump control loop, adopt independent Power supply respectively, new oil-adding pump and auxiliary oil pump share power supply of going the same way, the control start button SB4 of new oil-adding pump is by throw over switch SA and be connected on the normally closed auxiliary contact KM1 of the control contactor of main oil pump, the control start button SB2 of main oil pump is by throw over switch SA and be connected on the normally closed auxiliary contact KM2 of the control contactor of newly-increased oil pump, break-make throw over switch SA is connected among main oil pump control loop L1 and newly-increased oil pump control loop L2, it is newly-increased that oil pump control contactor KM2 is corresponding with the normally closed auxiliary contact of main oil pump control contactor KM1 is attempted by two normally closed interlocks of break-make throw over switch SA, the oily output terminal of new oil-adding pump and auxiliary oil pump and the oily output terminal of main oil pump are attempted by the oily input end of oxygen compressor bearing.
Comprising oxygen compressor main oil pump control loop L1, main oil pump control contactor KM1 and control knob SB2, auxiliary oil pump control loop L2, auxiliary oil pump control contactor KM3 and control knob SB6; outside newly-increased oil pump control contactor KM2 and control start button SB4 and break-make throw over switch SA and main oil pump control contactor defines reciprocal interlocking again; do not lose the regulable control for subsequent use of DCS automatic yarn system at auxiliary oil pump under, thus achieve the double protection functions to oxygen compressor oil lubrication yarn system.
The present invention, by being connected on the break-make throw over switch SA between oxygen compressor main oil pump control loop L1 and auxiliary oil pump control loop L2, realizes manually and conversion automatically, time namely automatically: 1 in Fig. 1,2 conductings, 3,4 conductings; Time manual: 1,2 disconnect, and 3,4 disconnect.
When starting oil pump, break-make throw over switch SA gets to manual position mouth, presses start button SB2, and main oil pump motor control contactor coil KM1 obtains electric, contactor adhesive, and the normally closed auxiliary contact KM1 of main oil pump contactor disconnects, main oil pump motor obtains electric startup.Break-make throw over switch SA is got to automated location mouth.If now press main oil pump stop button SB1 or other reason causes main oil pump contactor coil KM1 dead electricity, main oil pump contactor discharges, main oil pump motor stall.Now the normally closed auxiliary contact KM1 of main oil pump contactor closes, and new oil-adding pump contactor coil KM2 obtains electric, and newly-increased Oil pump electrical machinery control contactor adhesive, newly-increased Oil pump electrical machinery obtains electric startup, and the normally closed interlock KM2 of new oil-adding pump contactor disconnects.
The order of auxiliary oil pump oil supply is controlled because blind controller system DCS needs to restart when being reduced to a threshold value by oil pressure, oxygen compressor produces high temperature problem because lacking fuel feeding can be produced, do not losing under the prerequisite that auxiliary oil pump DCS controls automatically, new oil-adding pump in the present invention directly can start without the control of blind controller system DCS, avoids the parking accident that oxygen compressor jumping car causes.
Claims (1)
1. the electric interlock starting drive in oxygen compressor oil pump control loop, it comprises oxygen compressor main oil pump, oxygen compressor main oil pump control loop (L1), main oil pump control contactor (KM1) and control knob (SB2), auxiliary oil pump control loop (L2), auxiliary oil pump control contactor (KM3) and control knob (SB6), it is characterized in that, it also comprises new oil-adding pump, newly-increased oil pump control contactor (KM2), control start button (SB4) and break-make throw over switch (SA), new oil-adding pump is identical with the structure of auxiliary oil pump, the control loop of new oil-adding pump is connected in parallel in auxiliary oil pump control loop (L2), newly-increased oil pump control contactor (KM2) is connected in parallel in the circuit of auxiliary oil pump control loop (L2) with control start button (SB4), break-make throw over switch (SA) is connected among oxygen compressor main oil pump control loop (L1) and newly-increased oil pump control loop (L2), the control start button (SB4) of new oil-adding pump is by throw over switch (SA) and be connected on the normally closed auxiliary contact (KM1) of the control contactor of main oil pump, the control start button (SB2) of main oil pump is by throw over switch (SA) and be connected on the normally closed auxiliary contact (KM2) of the control contactor of newly-increased oil pump, it is newly-increased that oil pump control contactor normally closed auxiliary contact (KM2) is corresponding with main oil pump control contactor auxiliary contact (KM1) is attempted by two normally closed auxiliary joints of break-make throw over switch (SA), the oily output terminal of new oil-adding pump and the oily output terminal of auxiliary oil pump are attempted by the oily input end of oxygen compressor bearing, auxiliary oil pump control loop forms identical with the circuit of main oil pump control loop, adopts independent Power supply respectively, and new oil-adding pump and auxiliary oil pump share power supply of going the same way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310721554.6A CN103672345B (en) | 2013-12-24 | 2013-12-24 | The electric interlock starting drive in oxygen compressor oil pump control loop |
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| CN201310721554.6A CN103672345B (en) | 2013-12-24 | 2013-12-24 | The electric interlock starting drive in oxygen compressor oil pump control loop |
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| CN103672345A CN103672345A (en) | 2014-03-26 |
| CN103672345B true CN103672345B (en) | 2016-03-30 |
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| CN108574426B (en) * | 2018-06-04 | 2024-02-20 | 河南森源电气股份有限公司 | Motor starting control system |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4227862A (en) * | 1978-09-19 | 1980-10-14 | Frick Company | Solid state compressor control system |
| CN201090420Y (en) * | 2007-09-30 | 2008-07-23 | 济南重工股份有限公司 | Auto-put-in circuit of high and low voltage thin oil station stand-by pump |
| CN201218406Y (en) * | 2008-07-09 | 2009-04-08 | 济南重工股份有限公司 | Lubrication oil pump control circuit of lubricating station |
| CN201237071Y (en) * | 2008-07-31 | 2009-05-13 | 济南重工股份有限公司 | Single-unit operation control device for low pressure oil pump of lubricating station |
| CN201539406U (en) * | 2009-11-10 | 2010-08-04 | 平顶山市三源制氢有限公司 | Double-pump oil supply non-stop switching circuit of compressor |
| CN201621053U (en) * | 2010-02-26 | 2010-11-03 | 南京大全电气有限公司 | Spray pump system controlled by programmable control relay |
| CN201786623U (en) * | 2010-05-31 | 2011-04-06 | 重庆钢铁(集团)有限责任公司 | Primary sintering deoxidization pump station automatic early warning system |
| CN202266819U (en) * | 2011-10-21 | 2012-06-06 | 济南重工股份有限公司 | Circuit for automatic switching spare pump for mill lubricating oil station |
| JP5195199B2 (en) * | 2008-09-12 | 2013-05-08 | 株式会社Ｉｈｉ | Turbo compressor |
| CN203604964U (en) * | 2013-12-24 | 2014-05-21 | 七台河宝泰隆甲醇有限公司 | Electric interlocking starter of oxygen compressor oil pump control circuit |
-
2013
- 2013-12-24 CN CN201310721554.6A patent/CN103672345B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4227862A (en) * | 1978-09-19 | 1980-10-14 | Frick Company | Solid state compressor control system |
| CN201090420Y (en) * | 2007-09-30 | 2008-07-23 | 济南重工股份有限公司 | Auto-put-in circuit of high and low voltage thin oil station stand-by pump |
| CN201218406Y (en) * | 2008-07-09 | 2009-04-08 | 济南重工股份有限公司 | Lubrication oil pump control circuit of lubricating station |
| CN201237071Y (en) * | 2008-07-31 | 2009-05-13 | 济南重工股份有限公司 | Single-unit operation control device for low pressure oil pump of lubricating station |
| JP5195199B2 (en) * | 2008-09-12 | 2013-05-08 | 株式会社Ｉｈｉ | Turbo compressor |
| CN201539406U (en) * | 2009-11-10 | 2010-08-04 | 平顶山市三源制氢有限公司 | Double-pump oil supply non-stop switching circuit of compressor |
| CN201621053U (en) * | 2010-02-26 | 2010-11-03 | 南京大全电气有限公司 | Spray pump system controlled by programmable control relay |
| CN201786623U (en) * | 2010-05-31 | 2011-04-06 | 重庆钢铁(集团)有限责任公司 | Primary sintering deoxidization pump station automatic early warning system |
| CN202266819U (en) * | 2011-10-21 | 2012-06-06 | 济南重工股份有限公司 | Circuit for automatic switching spare pump for mill lubricating oil station |
| CN203604964U (en) * | 2013-12-24 | 2014-05-21 | 七台河宝泰隆甲醇有限公司 | Electric interlocking starter of oxygen compressor oil pump control circuit |
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