CN108461257A - The recharging oil device of for transformer - Google Patents
The recharging oil device of for transformer Download PDFInfo
- Publication number
- CN108461257A CN108461257A CN201810043038.5A CN201810043038A CN108461257A CN 108461257 A CN108461257 A CN 108461257A CN 201810043038 A CN201810043038 A CN 201810043038A CN 108461257 A CN108461257 A CN 108461257A
- Authority
- CN
- China
- Prior art keywords
- oil
- frequency
- oil pump
- recharging
- transformer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000012530 fluid Substances 0.000 claims abstract description 31
- 238000000034 method Methods 0.000 abstract description 12
- 230000008569 process Effects 0.000 abstract description 8
- 238000007789 sealing Methods 0.000 description 5
- 238000007872 degassing Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000037452 priming Effects 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000010913 used oil Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/10—Liquid cooling
- H01F27/12—Oil cooling
- H01F27/14—Expansion chambers; Oil conservators; Gas cushions; Arrangements for purifying, drying, or filling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/06—Control using electricity
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/40—Structural association with built-in electric component, e.g. fuse
- H01F27/402—Association of measuring or protective means
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Abstract
The present invention provides the recharging oil devices of for transformer, belong to recharging oil device field, and recharging oil device includes：Oil pump, oil pump, which is connected with, hands over frequency motor, and electronic flowmeter is equipped at the discharge fluid of oil pump, and electronic flowmeter is connected with frequency-variable controller, and frequency-variable controller is connected with frequency motor is handed over；Electronic flowmeter monitors the fluid flow of oil pump discharge in real time, it will detect that flow value is transmitted to frequency-variable controller, motor drive signal corresponding with flow value is obtained at frequency-variable controller, enables and frequency motor is handed over to drive oil pump rotation according to motor drive signal, realize the feedback compensation to fluid flow.Recharging oil device is in oil replenishing process always according to the rotating speed of driving motor signal control oil pump corresponding with flow value size, the repairing speed of rotating speed, that is, transformer of oil pump, and then realize the repairing speed of control transformer, avoid the occurrence of the case where triggering gas alarming due to repairing excessive velocities cause oil stream impact is excessive to generate a large amount of bubble.
Description
Technical field
The invention belongs to recharging oil device fields, the more particularly to recharging oil device of for transformer.
Background technology
Transformer need in the process of running carry out repairing, at present the oil supplement method of transformer be mainly oiling degassing method,
Degassing method and pumping degassing method are inflated, the common feature of these three methods is the repairing that transformer is unable to control in oil replenishing process
Speed.
The characteristics of current most widely used oil supplement method is oiling degassing method, this method is that exhaust is abundant, due to repairing
It is unable to control the repairing speed of transformer in journey, is also easy to produce a large amount of bubble, and then trigger gas alarming.
Invention content
In order to solve shortcoming and defect existing in the prior art, the present invention provides for that can be controlled in oil replenishing process
The recharging oil device of the repairing speed of transformer processed.
In order to reach above-mentioned technical purpose, the present invention provides the recharging oil device of for transformer, the recharging oil device, packet
It includes：
For the oil pump to transformer oil transportation, the drive shaft of oil pump is connected with the friendship frequency motor for control oil pump rotating speed,
Electronic flowmeter is equipped at the discharge fluid of oil pump, the output end of electronic flowmeter is connected with frequency-variable controller, frequency control
The output end of device is connected with frequency motor is handed over；
Electronic flowmeter monitors the fluid flow of oil pump discharge in real time, will detect that flow value is transmitted to frequency-variable controller,
Motor drive signal corresponding with flow value is obtained at frequency-variable controller, enables and frequency motor is handed over to drive oil according to motor drive signal
Pump rotation, realizes the feedback compensation to fluid flow.
Optionally, the recharging oil device further includes filter, includes filter core in filter, is equipped with first on the filter
Oil guide pipe and the second oil guide pipe, oil pump are equipped with the ingress pipe that is connected with the first oil guide pipe and are connected with the second oil guide pipe
Delivery line.
Optionally, the flowline being additionally provided on oil pump for fluid to be discharged and the oil inlet for inspiration fluid
Pipe.
Optionally, overflow valve is equipped between the oil inlet pipe and flowline.
Optionally, the oil inlet pipe is equipped with inlet valve, and flowline is equipped with delivery valve, and it is close that first is equipped on inlet valve
Sealing cover is equipped with the second seal closure on delivery valve.
The advantageous effect that technical solution provided by the invention is brought is：
Recharging oil device is in oil replenishing process always according to driving motor signal control oil pump corresponding with flow value size
Rotating speed, the repairing speed of rotating speed, that is, transformer of oil pump, so realize control transformer repairing speed, avoid the occurrence of because mend
Speed oil is too fast to cause oil stream to impact excessive the case where generating a large amount of bubble and triggering gas alarming.
Description of the drawings
It, below will be to attached drawing needed in embodiment description in order to illustrate more clearly of technical scheme of the present invention
It is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, general for this field
For logical technical staff, without creative efforts, other drawings may also be obtained based on these drawings.
Fig. 1 is the structural schematic diagram one provided by the present invention for the recharging oil device of transformer；
Fig. 2 is the structural schematic diagram two provided by the present invention for the recharging oil device of transformer.
Specific implementation mode
To keep structure of the invention and advantage clearer, the structure of the present invention is made further below in conjunction with attached drawing
Description.
Embodiment one
The present invention provides the recharging oil device of for transformer, the recharging oil device, including：
For the oil pump to transformer oil transportation, the drive shaft of oil pump is connected with the friendship frequency motor for control oil pump rotating speed,
Electronic flowmeter is equipped at the discharge fluid of oil pump, the output end of electronic flowmeter is connected with frequency-variable controller, frequency control
The output end of device is connected with frequency motor is handed over；
Electronic flowmeter monitors the fluid flow of oil pump discharge in real time, will detect that flow value is transmitted to frequency-variable controller,
Motor drive signal corresponding with flow value is obtained at frequency-variable controller, enables and frequency motor is handed over to drive oil according to motor drive signal
Pump rotation, realizes the feedback compensation to fluid flow.
In force, as shown in Figure 1, recharging oil device includes frequency-variable controller, electronic flowmeter, hands over frequency motor and oil
Pump, frequency-variable controller are a kind of control that can realize the functions such as startup, stopping, acceleration, deceleration, positive and negative rotation to handing over frequency motor
Device, this recharging oil device use the speed-regulating function of frequency-variable controller, data register address are established in frequency-variable controller, for depositing
It drains the oil the flow value of liquid, there is a motor driving corresponding with the flow value to believe within the scope of each flow value allowable error
Number, it enables and frequency motor is handed over to drive oil pump rotation so that can be with the rotating speed of control oil pump according to motor drive signal.
Recharging oil device operation principle：When carrying out repairing to transformer, electronic flowmeter monitors the oil of oil pump discharge in real time
Flow quantity, and the flow value monitored is transmitted to frequency-variable controller, frequency-variable controller obtains motor corresponding with flow value
Motor drive signal is transmitted best friend's frequency motor by drive signal, frequency-variable controller, and frequency motor is handed over to be driven according to motor drive signal
Oil pump rotates, and realizes the feedback compensation of fluid flow；When frequency-variable controller according to the flow value that receives obtain less than with flow
When being worth corresponding motor drive signal, then frequency motor is handed over to stop driving oil pump rotation.By the rotating speed of control oil pump to transformer
Repairing of releiving is carried out, therefore is not in trigger gas report due to the excessive generation of oil stream impact a large amount of bubble in oil replenishing process
Alert situation.
Based on above-mentioned recharging oil device, believed always according to driving motor corresponding with flow value size in oil replenishing process
The rotating speed of number control oil pump because the rotating speed of control oil pump is equivalent to the repairing speed of control transformer, and then realizes control and becomes
The repairing speed of depressor, avoiding the occurrence of repairing excessive velocities causes oil stream impact is excessive to generate a large amount of bubble and trigger gas report
Alert situation.
Optionally, the recharging oil device further includes filter, includes filter core in filter, is equipped with first on the filter
Oil guide pipe and the second oil guide pipe, oil pump are equipped with the ingress pipe that is connected with the first oil guide pipe and are connected with the second oil guide pipe
Delivery line.
In force, as shown in Fig. 2, recharging oil device further includes filter, comprising for filtration, purification fluid in filter
Filter core, be equipped with the first oil guide pipe and the second oil guide pipe on the filter, oil pump is equipped with the importing that is connected with the first oil guide pipe
Pipe and the delivery line being connected with the second oil guide pipe.After fluid flows into the first oil guide pipe from the ingress pipe of oil pump, just enter one
The filter core of set pattern lattice strainer is filtered, and filtered fluid outflow filter core flows into the delivery line of oil pump through the second oil guide pipe.Base
Contaminated fluid is set to reach certain cleanliness factor after the filtering of filter inner filter core, to can guarantee the quality of fluid.
Optionally, the flowline being additionally provided on oil pump for fluid to be discharged and the oil inlet for inspiration fluid
Pipe.
In force, as shown in Fig. 2, being additionally provided with flowline and oil inlet pipe on oil pump, flowline passes through siphunculus and transformer
The priming valve of lower part is connected, and oil inlet pipe is connected by another siphunculus with the oil outlet of oil conservater.Oil pump is by oil inlet pipe oil storage
The fluid of cabinet is drunk up, and fluid enters filter core through ingress pipe, the first oil guide pipe and is filtered, and filtered fluid is led through second again
Oil pipe, delivery line flow to flowline, by the priming valve of flowline inflow transformer lower part, and then have reached and have been carried out to transformer
The purpose of repairing, therefore staff carries out repairing without the upper end of climbing to transformer to transformer, is effectively shortened change
It the repairing time of depressor, improves work efficiency.
Optionally, overflow valve is equipped between the oil inlet pipe and flowline.
In force, as shown in Fig. 2, being equipped with overflow valve between oil inlet pipe and flowline, overflow valve is also known as hydraulic pressure
Control valve, it can efficiently control the oil mass entered from oil inlet pipe in oil pump, play the role of preventing oil mass from overflowing.
Optionally, the oil inlet pipe is equipped with inlet valve, and flowline is equipped with delivery valve, and it is close that first is equipped on inlet valve
Sealing cover is equipped with the second seal closure on delivery valve.
In force, as shown in Fig. 2, being equipped with inlet valve in oil inlet pipe, the first seal closure is equipped on inlet valve, fuel-displaced
Pipe is equipped with the delivery valve of favorable sealing property, and the second seal closure of favorable sealing property, the first sealing are equipped on delivery valve
Cover and the second seal closure all play the role of preventing oil leak, cause to pollute asking for environment to solve the leakage because of fluid
Topic, reduces the treatment cost of environment.
The present invention provides the recharging oil device of for transformer, recharging oil device includes：Oil pump, oil pump are connected with friendship frequency electricity
Machine, is equipped with electronic flowmeter at the discharge fluid of oil pump, and electronic flowmeter is connected with frequency-variable controller, frequency-variable controller and friendship
Frequency motor is connected；Electronic flowmeter monitors the fluid flow of oil pump discharge in real time, will detect that flow value is transmitted to frequency control
Device obtains motor drive signal corresponding with flow value at frequency-variable controller, enables and frequency motor is handed over to be driven according to motor drive signal
Dynamic oil pump rotation, realizes the feedback compensation to fluid flow.Recharging oil device in oil replenishing process always according to and flow value size
The rotating speed of corresponding driving motor signal control oil pump, the repairing speed of rotating speed, that is, transformer of oil pump, and then realize control
The repairing speed of transformer is avoided the occurrence of because repairing excessive velocities cause to trigger due to oil stream impact is excessive to generate a large amount of bubble watt
The case where this alarm.
Each serial number in above-described embodiment is for illustration only, the assembling for not representing each component or the elder generation during use
Sequence afterwards.
Example the above is only the implementation of the present invention is not intended to limit the invention, all in the spirit and principles in the present invention
Within, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (5)
1. the recharging oil device of for transformer, which is characterized in that the recharging oil device, including：
For the oil pump to transformer oil transportation, the drive shaft of oil pump is connected with the friendship frequency motor for control oil pump rotating speed, in oil
Electronic flowmeter is equipped at the discharge fluid of pump, the output end of electronic flowmeter is connected with frequency-variable controller, frequency-variable controller
Output end is connected with frequency motor is handed over；
Electronic flowmeter monitors the fluid flow of oil pump discharge in real time, will detect that flow value is transmitted to frequency-variable controller, is becoming
Motor drive signal corresponding with flow value is obtained at frequency controller, enables and frequency motor is handed over to drive oil pump to turn according to motor drive signal
It is dynamic, realize the feedback compensation to fluid flow.
2. the recharging oil device of for transformer according to claim 1, which is characterized in that the recharging oil device further included
Filter includes filter core in filter, is equipped with the first oil guide pipe and the second oil guide pipe on the filter, and oil pump is equipped with and first
Delivery line oil guide pipe connected ingress pipe and be connected with the second oil guide pipe.
3. the recharging oil device of for transformer according to claim 1, which is characterized in that described to be additionally provided with use on oil pump
In the flowline of discharge fluid and for the oil inlet pipe of inspiration fluid.
4. the recharging oil device of for transformer according to claim 3, which is characterized in that the oil inlet pipe and flowline it
Between be equipped with overflow valve.
5. the recharging oil device of for transformer according to claim 3, which is characterized in that the oil inlet pipe is equipped with oil inlet
Valve, flowline are equipped with delivery valve, and the first seal closure is equipped on inlet valve, and the second seal closure is equipped on delivery valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810043038.5A CN108461257B (en) | 2018-01-17 | 2018-01-17 | Oil supplementing device for transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810043038.5A CN108461257B (en) | 2018-01-17 | 2018-01-17 | Oil supplementing device for transformer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108461257A true CN108461257A (en) | 2018-08-28 |
| CN108461257B CN108461257B (en) | 2024-04-09 |
Family
ID=63220277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810043038.5A Active CN108461257B (en) | 2018-01-17 | 2018-01-17 | Oil supplementing device for transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108461257B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112113622A (en) * | 2020-10-14 | 2020-12-22 | 广州机械科学研究院有限公司 | Oil flow monitoring device and method |
| CN114898978A (en) * | 2022-04-18 | 2022-08-12 | 广东电网有限责任公司广州供电局 | Vegetable oil transformer and safe operation method thereof |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5691408A (en) * | 1979-12-26 | 1981-07-24 | Fuji Electric Co Ltd | Simple oil replenishment to appliance |
| CN101235836A (en) * | 2008-03-05 | 2008-08-06 | 陈岩 | Pump control type electrohydraulic actuator |
| KR20120112315A (en) * | 2012-08-30 | 2012-10-11 | 이우성 | System for apparatus of control a flood disaster using potential energy of water |
| CN103440962A (en) * | 2013-08-01 | 2013-12-11 | 国家电网公司 | Intelligent on-line oil filling vehicle for transformer and oil filling method |
| DE202015100035U1 (en) * | 2015-01-07 | 2015-02-10 | Xinyu Liu | Warranty device of the lubricating oil of the vehicle engine |
| CN104575961A (en) * | 2015-01-06 | 2015-04-29 | 国家电网公司 | Main transformer on-load switch online intelligent oil supply device and use method thereof |
| CN206574575U (en) * | 2017-01-11 | 2017-10-20 | 南京立业电力变压器有限公司 | A kind of transformer compensates oil pressure constant-voltage equipment with air pressure automatically |
| US20170352465A1 (en) * | 2016-06-01 | 2017-12-07 | Fortune Electric Co., Ltd. | Cooling Fan Variable-Frequency Control System for a Power Transformer |
| CN107477051A (en) * | 2017-09-15 | 2017-12-15 | 太原理工大学 | The electric-hydraulic combined double actuator systems of back pressure regulation and control of load variations oil |
| CN207993623U (en) * | 2018-01-17 | 2018-10-19 | 国网浙江宁波市鄞州区供电有限公司 | The recharging oil device of for transformer |
-
2018
- 2018-01-17 CN CN201810043038.5A patent/CN108461257B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5691408A (en) * | 1979-12-26 | 1981-07-24 | Fuji Electric Co Ltd | Simple oil replenishment to appliance |
| CN101235836A (en) * | 2008-03-05 | 2008-08-06 | 陈岩 | Pump control type electrohydraulic actuator |
| KR20120112315A (en) * | 2012-08-30 | 2012-10-11 | 이우성 | System for apparatus of control a flood disaster using potential energy of water |
| CN103440962A (en) * | 2013-08-01 | 2013-12-11 | 国家电网公司 | Intelligent on-line oil filling vehicle for transformer and oil filling method |
| CN104575961A (en) * | 2015-01-06 | 2015-04-29 | 国家电网公司 | Main transformer on-load switch online intelligent oil supply device and use method thereof |
| DE202015100035U1 (en) * | 2015-01-07 | 2015-02-10 | Xinyu Liu | Warranty device of the lubricating oil of the vehicle engine |
| US20170352465A1 (en) * | 2016-06-01 | 2017-12-07 | Fortune Electric Co., Ltd. | Cooling Fan Variable-Frequency Control System for a Power Transformer |
| CN206574575U (en) * | 2017-01-11 | 2017-10-20 | 南京立业电力变压器有限公司 | A kind of transformer compensates oil pressure constant-voltage equipment with air pressure automatically |
| CN107477051A (en) * | 2017-09-15 | 2017-12-15 | 太原理工大学 | The electric-hydraulic combined double actuator systems of back pressure regulation and control of load variations oil |
| CN207993623U (en) * | 2018-01-17 | 2018-10-19 | 国网浙江宁波市鄞州区供电有限公司 | The recharging oil device of for transformer |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112113622A (en) * | 2020-10-14 | 2020-12-22 | 广州机械科学研究院有限公司 | Oil flow monitoring device and method |
| CN114898978A (en) * | 2022-04-18 | 2022-08-12 | 广东电网有限责任公司广州供电局 | Vegetable oil transformer and safe operation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108461257B (en) | 2024-04-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108461257A (en) | The recharging oil device of for transformer | |
| CN205617484U (en) | Waste water reuse device of water supply equipment filter | |
| CN207993623U (en) | The recharging oil device of for transformer | |
| CN108473341A (en) | The method for purifying liquid | |
| CN201573118U (en) | Grinding fluid centralized purifying and recycling device | |
| CN205663020U (en) | Prevent blockking up sewage draw -out device | |
| CN106763003A (en) | A kind of hydraulic oil automatic filtering unit | |
| CN107701535A (en) | A kind of tractor plunger pump oil suction pressurizing pack | |
| CN206035947U (en) | Fluid pressure line oil discharge device | |
| CN207049013U (en) | Hydraulic booster and residual pressure recovering equipment | |
| CN207536172U (en) | A kind of lubricating oil filling apparatus with function of measuring | |
| CN104358689A (en) | Seal oil circulation method and seal oil circulation system | |
| CN207864186U (en) | A kind of spiral variable frequency axial-flow pump | |
| CN203809368U (en) | Cooling water recycling device | |
| CN108202042A (en) | Auto parts overhaul rinsing device | |
| CN209697190U (en) | A kind of decanter centrifuge forcedlubricating system | |
| CN207048964U (en) | The system that pump machine water shutoff in fume afterheat system is collected and recycled | |
| CN208372617U (en) | A kind of PCB de-smear medical filtration equipment for reclaiming | |
| CN207048916U (en) | Common axis centrifugal blower-pump and plunger pump high pressure pump group | |
| CN206036619U (en) | Thin oil station system | |
| CN206439251U (en) | A kind of hydraulic oil automatic filtering unit | |
| CN206262224U (en) | A kind of intellectual blowing system | |
| CN206486373U (en) | A kind of stationary frequency conversion starter cooling water system water replanishing device | |
| CN206064181U (en) | A kind of ceramic membrane cleaning device with multiple pre-filter function | |
| CN220432737U (en) | A net gas water trap for CNG mechanism of qi |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |