CN102360759B - Automatic vacuum oil injection method and tool for unmanned mutual inductor - Google Patents
Automatic vacuum oil injection method and tool for unmanned mutual inductor Download PDFInfo
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- CN102360759B CN102360759B CN2011103258543A CN201110325854A CN102360759B CN 102360759 B CN102360759 B CN 102360759B CN 2011103258543 A CN2011103258543 A CN 2011103258543A CN 201110325854 A CN201110325854 A CN 201110325854A CN 102360759 B CN102360759 B CN 102360759B
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Abstract
The invention relates to an automatic vacuum oil injection method and a tool for an unmanned mutual inductor and belongs to the technical field of mutual inductors. The technical scheme is that: the tool comprises a speed-limiting nozzle (1), ball valves, an oil suction pipe (5), a liquid level sensor (7), an oil injection pipe (9), a vacuum pipe (10) and an oil cup (11), wherein the oil cup is provided with the oil injection pipe, the oil suction pipe and the vacuum pipe; the oil injection pipe is provided with the speed-limiting nozzle; the oil suction pipe and the vacuum pipe are provided with the ball valves (4, 8); and the liquid level sensor is arranged in the oil cup. The automatic vacuum oil injection method and the tool have the advantages: the oil injection speed is controllable; human-made quality factors are avoided; the vacuum oil injection quality is improved by tensioning membranes and degasifying; the self sealing of the oil cup is realized; and products can be flexibly and efficiently hoisted at any time according to production requirements without damage to the product state. A system can quickly suck a small amount of oil in all product oil storage tanks back to an oil tank by using the oil suction pipe, transmits oil level signals to a programmable logical controller (PLC) and fulfills the automatic functions of stopping injecting oil in high oil levels and continuing injecting oil in low oil levels.
Description
Technical field
The present invention relates to a kind of instrument transformer automatic vacuum correction oil injection method and instrument of unmanned guard, belong to the instrument transformer technical field.
Background technology
At present, background technology is to utilize priming cup that instrument transformer is carried out vacuum oil, and have following technical problem: 1. oil injecting speed is uncontrollable; 2. oiling does not have the membrane degassing, weak effect; 3. it is long that the product treatment process takies the station time, dumb, restriction production efficiency; Must oil unnecessary more than the oil conservator flange be bled off before 4. expander need be installed, workload is big; 5. vacuum, oiling, the omnidistance manual operation of repairing, big, the artificial qualitative factor of workload is many.
Summary of the invention
The instrument transformer automatic vacuum correction oil injection method and the instrument that the purpose of this invention is to provide a kind of unmanned guard; Realize controlled oil speed, oiling membrane, can adjust station at any time, the automatic oiling repairing is drained the oil, omnidistance unmanned guard, avoid artificial qualitative factor, solves the problems referred to above of background technology existence.
Technical scheme of the present invention is: a kind of instrument transformer automatic vacuum oiling instrument of unmanned guard; Comprise speed limit oil nozzle 1, ball valve 4, fuel sucking pipe 5, liquid level sensor 7, oil fuel tube, vacuum tube and lubricating cup; Lubricating cup is provided with oil fuel tube, fuel sucking pipe and vacuum tube; The speed limit oil nozzle is set on the oil fuel tube, and fuel sucking pipe and vacuum tube are provided with ball valve, and liquid level sensor is set in the lubricating cup.
In lubricating cup, also be provided with the membrane tube 2 and membrane pallet 3 of mutual coupling, handle going into oil, transformer oil is realized different in flow rate through the speed limit oil nozzle; Be injected in membrane tube inwall; Drop on the membrane pallet, equably oil is pulled into very thin membranaceous, to improve the vacuum degassing quality.
The oiling electromagnetically operated valve is set on the oil fuel tube.
Data wire, high-side switch and low-side switch are set in the lubricating cup; High-side switch and low-side switch and liquid level sensor coupling; Data wire is connected with liquid level sensor, and the liquid level signal of liquid level sensor collection is delivered to the PLC system, the control oiling electromagnetically operated valve work of PLC system.
A kind of instrument transformer automatic vacuum correction oil injection method of unmanned guard, comprise following steps: 1. transformer oil injects lubricating cup through oil fuel tube, the speed limit oil nozzle control flow velocity on the oil fuel tube; Liquid level slowly rises in the lubricating cup; Make the action of liquid level sensor touching high-side switch, the oiling closed electromagnetic valve stops oiling; Along with transformer oil slowly immerses the device body, liquid level descends in the lubricating cup, makes the action of liquid level sensor touching low-side switch, and the oiling electromagnetically operated valve is opened, and continues oiling, so back and forth until liquid level stabilizing; 2. the fuel sucking pipe of lubricating cup, the ball valve on the vacuum tube are opened, and utilize fuel sucking pipe that the unnecessary oil in the lubricating cup is inhaled the oil return jar in the time of need draining the oil, and vacuum tube guarantees to keep vacuum state in the lubricating cup always.
Said transformer oil is realized different in flow rate through the speed limit oil nozzle, is injected in the membrane tube inwall in the lubricating cup, drops on the membrane pallet, equably oil is pulled into very thin membranaceous, to improve the vacuum degassing quality.
Ordinary production of the present invention, the ball valve on oiling electromagnetically operated valve, fuel sucking pipe and the vacuum tube on the oil fuel tube is that whole process is opened, to realize automatic vacuum, oiling, the oil suction of overall process; Need end or when needing transfer station like special circumstances because of scheduling of production; Can above-mentioned oiling electromagnetically operated valve, ball valve be ended; The sealing lubricating cup lubricating cup with product tape behind the dismounting flexible pipe and is together removed, and guarantees that the product vacuum state is not destroyed; Can solve also simultaneously that product is quiet puts, suppresses etc. that the postorder operation takies station for a long time and the problem that can't continue to handle other products has been slowed down production bottleneck.Because whole process need not artificial guard, has reduced operator's workload, has also avoided some artificial qualitative factors.
Good effect of the present invention: realized that 1. different model product or varying number product oil injecting speed are controlled, avoided artificial qualitative factor; 2. improve the vacuum oil quality through the membrane degassing; 3. realize the self-enclosed of lubricating cup, can at any time product hung commentaries on classics and not destroy Product Status according to the production demand, flexible and efficient; 4. system can inhale the oil return jar with the minor amount of oil in all product oil conservators rapidly through fuel sucking pipe simultaneously, removes the big workload of draining the oil by platform from; 5. PLC is returned in the oil level signal transmission, realize that high oil level stops the automatic function of oiling, low oil level continuation oiling, liberation labour.
Description of drawings
Fig. 1 is the embodiments of the invention sketch mapes;
Among the figure: speed limit oil nozzle 1, membrane tube 2, membrane pallet 3, ball valve 4,8, fuel sucking pipe 5, data wire 6, liquid level sensor 7, oil fuel tube 9, vacuum tube 10, lubricating cup 11, oiling electromagnetically operated valve 12.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further specified through embodiment.
A kind of instrument transformer automatic vacuum oiling instrument of unmanned guard; Comprise speed limit oil nozzle 1, ball valve, fuel sucking pipe 5, liquid level sensor 7, oil fuel tube 9, vacuum tube 10 and lubricating cup 11; Lubricating cup is provided with oil fuel tube, fuel sucking pipe and vacuum tube; The speed limit oil nozzle is set on the oil fuel tube, and fuel sucking pipe and vacuum tube are provided with ball valve 4,8, and liquid level sensor is set in the lubricating cup.
In lubricating cup, also be provided with the membrane tube 2 and membrane pallet 3 of mutual coupling, handle going into oil, transformer oil is realized different in flow rate through the speed limit oil nozzle; Be injected in membrane tube inwall; Drop on the membrane pallet, equably oil is pulled into very thin membranaceous, to improve the vacuum degassing quality.
Oiling electromagnetically operated valve 12 is set on the oil fuel tube.
Data wire 6, high-side switch and low-side switch are set in the lubricating cup; High-side switch and low-side switch and liquid level sensor coupling; Data wire is connected with liquid level sensor, and the liquid level signal of liquid level sensor collection is delivered to the PLC system, the control oiling electromagnetically operated valve work of PLC system.
A kind of instrument transformer automatic vacuum correction oil injection method of unmanned guard; Comprise following steps: 1. transformer oil injects lubricating cup 11 through oil fuel tube 9; Speed limit oil nozzle 1 control flow velocity on the oil fuel tube, liquid level slowly rises in the lubricating cup, makes liquid level sensor 7 touching high-side switch actions; Oiling electromagnetically operated valve 12 cuts out, and stops oiling; Along with transformer oil slowly immerses the device body, liquid level descends in the lubricating cup, makes the action of liquid level sensor touching low-side switch, and the oiling electromagnetically operated valve is opened, and continues oiling, so back and forth until liquid level stabilizing; 2. the fuel sucking pipe 5 of lubricating cup, the ball valve on the vacuum tube 10 4,8 are opened, and utilize fuel sucking pipe that the unnecessary oil in the lubricating cup is inhaled the oil return jar in the time of need draining the oil, and vacuum tube guarantees to keep vacuum state in the lubricating cup always.
Said transformer oil is realized different in flow rate through the speed limit oil nozzle, is injected in membrane tube 2 inwalls in the lubricating cup, drops on the membrane pallet 3, equably oil is pulled into very thin membranaceous, to improve the vacuum degassing quality.
Ordinary production of the present invention, the ball valve on oiling electromagnetically operated valve, fuel sucking pipe and the vacuum tube on the oil fuel tube is that whole process is opened, to realize automatic vacuum, oiling, the oil suction of overall process; Need end or when needing transfer station like special circumstances because of scheduling of production; Can above-mentioned oiling electromagnetically operated valve, ball valve be ended; The sealing lubricating cup lubricating cup with product tape behind the dismounting flexible pipe and is together removed, and guarantees that the product vacuum state is not destroyed; Can solve also simultaneously that product is quiet puts, suppresses etc. that the postorder operation takies station for a long time and the problem that can't continue to handle other products has been slowed down production bottleneck.Because whole process need not artificial guard, has reduced operator's workload, has also avoided some artificial qualitative factors.
Claims (2)
1. the instrument transformer automatic vacuum correction oil injection method of a unmanned guard; It is characterized in that comprising following steps: 1. transformer oil injects lubricating cup (11) through oil fuel tube (9); Speed limit oil nozzle (1) control flow velocity on the oil fuel tube, liquid level slowly rises in the lubricating cup, makes the action of liquid level sensor (7) touching high-side switch; Oiling electromagnetically operated valve (12) cuts out, and stops oiling; Along with transformer oil slowly immerses the device body, liquid level descends in the lubricating cup, makes the action of liquid level sensor touching low-side switch, and the oiling electromagnetically operated valve is opened, and continues oiling, so back and forth until liquid level stabilizing; 2. the ball valve (4,8) on the fuel sucking pipe of lubricating cup (5), the vacuum tube (10) is opened, and utilizes fuel sucking pipe that the unnecessary oil in the lubricating cup is inhaled the oil return jar in the time of need draining the oil, and vacuum tube guarantees to keep vacuum state in the lubricating cup always.
2. a kind of unmanned instrument transformer automatic vacuum correction oil injection method guard according to claim 1; It is characterized in that said transformer oil is through speed limit oil nozzle realization different in flow rate; Be injected in membrane tube (2) inwall in the lubricating cup; Drop on the membrane pallet (3), equably oil is pulled into very thin membranaceous.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103258543A CN102360759B (en) | 2011-10-25 | 2011-10-25 | Automatic vacuum oil injection method and tool for unmanned mutual inductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103258543A CN102360759B (en) | 2011-10-25 | 2011-10-25 | Automatic vacuum oil injection method and tool for unmanned mutual inductor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102360759A CN102360759A (en) | 2012-02-22 |
| CN102360759B true CN102360759B (en) | 2012-11-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103258543A Expired - Fee Related CN102360759B (en) | 2011-10-25 | 2011-10-25 | Automatic vacuum oil injection method and tool for unmanned mutual inductor |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104681262A (en) * | 2013-11-28 | 2015-06-03 | 特变电工康嘉(沈阳)互感器有限责任公司 | Capacitive voltage divider vacuum oil injection tool and oil injection method |
| CN106409475A (en) * | 2016-11-28 | 2017-02-15 | 国网河南省电力公司三门峡供电公司 | Vacuum oil supplementing device of transformer |
| CN113793745B (en) * | 2021-09-17 | 2023-08-08 | 保定变压器有限公司 | Multifunctional vacuumizing oiling device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101944420A (en) * | 2010-09-14 | 2011-01-12 | 保定天威集团有限公司 | Transformer integral vacuum oiling device and method |
| CN201829306U (en) * | 2010-09-07 | 2011-05-11 | 南车株洲电机有限公司 | Voltage transformer vacuum oil filling device |
| CN102161466A (en) * | 2011-01-11 | 2011-08-24 | 柯建军 | Vacuum fueling machine |
| CN202258677U (en) * | 2011-10-25 | 2012-05-30 | 保定天威集团有限公司 | Unmanned-guard automatic vacuum oil injection tool of mutual inductor |
-
2011
- 2011-10-25 CN CN2011103258543A patent/CN102360759B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201829306U (en) * | 2010-09-07 | 2011-05-11 | 南车株洲电机有限公司 | Voltage transformer vacuum oil filling device |
| CN101944420A (en) * | 2010-09-14 | 2011-01-12 | 保定天威集团有限公司 | Transformer integral vacuum oiling device and method |
| CN102161466A (en) * | 2011-01-11 | 2011-08-24 | 柯建军 | Vacuum fueling machine |
| CN202258677U (en) * | 2011-10-25 | 2012-05-30 | 保定天威集团有限公司 | Unmanned-guard automatic vacuum oil injection tool of mutual inductor |
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| CN102360759A (en) | 2012-02-22 |
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