CN203423032U - On-line intelligent oil supplementation device for transformer - Google Patents
On-line intelligent oil supplementation device for transformer Download PDFInfo
- Publication number
- CN203423032U CN203423032U CN201320467488.XU CN201320467488U CN203423032U CN 203423032 U CN203423032 U CN 203423032U CN 201320467488 U CN201320467488 U CN 201320467488U CN 203423032 U CN203423032 U CN 203423032U
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- Prior art keywords
- oil
- transformer
- valve
- gasoline pump
- frequency conversion
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- 230000009469 supplementation Effects 0.000 title abstract 8
- 238000006243 chemical reaction Methods 0.000 claims description 26
- 238000009434 installation Methods 0.000 claims description 11
- 230000037452 priming Effects 0.000 claims description 8
- 230000009467 reduction Effects 0.000 claims description 8
- 230000009471 action Effects 0.000 claims description 5
- 230000008676 import Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 11
- 230000008569 process Effects 0.000 abstract description 11
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000007599 discharging Methods 0.000 abstract 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
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- Housings And Mounting Of Transformers (AREA)
Abstract
The utility model discloses an on-line intelligent oil supplementation device for a transformer. The on-line intelligent oil supplementation device for the transformer is characterized by comprising an oil storage tank with an oil outlet valve, a variable-frequency oil feeding pump, a T-branch pipe and a control module, an oil outlet solenoid valve, an oil discharging valve and a pressure sensor with the pressure-limiting control function are installed on the T-branch pipe, an inlet of the variable-frequency oil feeding pump is connected with the oil storage tank, an outlet of the variable-frequency oil feeding pump is connected with the T-branch pipe, the oil outlet solenoid valve is installed at the outlet end of the T-branch pipe, and is connected with an oil feeding valve of a conservator of the transformer through an outer connecting pipe, and the oil discharging valve is arranged on a side branch pipe of the T-branch connecting pipe. Due to the fact that a pressure limiting device assembled on the on-line intelligent oil supplementation device for the transformer ensures that the overpressure danger cannot happen in the process of oil supplementation, oil supplementation operation of the transformer can be accomplished without a power outage, and compared with various traditional devices which need to carry out oil supplementation through the power outage, the on-line intelligent oil supplementation device for the transformer has the incomparable advantages.
Description
Technical field
The utility model relates to a kind of recharging oil device, particularly a kind of transformer on-line intelligence recharging oil device.
Background technology
Transformer is in running, when occurring when seepage, the temperature difference etc. cause oil level to be reduced to oil level indicator low level to carry out repairing, present widely used traditional repairing mode, with gasoline pump or oil filter, to be connected to transformer top conservator to draw lower priming valve place and refuel (or being connected to transformer bottom delivery valve), uncontrollable owing to adding oil pressure in refueling process, and can there is oil stream impact, turbulent flow, the situation such as splash, may cause the catastrophe failure of transformer internal discharge, therefore transformer power failure must be turned to inspecting state and just can carry out repairing work.And traditional repairing mode is taked to have a power failure and is carried out repairing, to production, brings very large economic loss, has also increased working strength and operating time simultaneously.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art part, and a kind of transformer on-line intelligence recharging oil device that can realize online repairing is provided.
A kind of transformer on-line intelligence recharging oil device, include the oil tank with delivery valve, frequency conversion gasoline pump, three-way pipe and control module, solenoid is housed out on three-way pipe, draining valve, the pressure sensor of controlling with pressure limiting, described frequency conversion gasoline pump import is connected with oil tank, the outlet of frequency conversion gasoline pump is connected with three-way pipe, going out solenoid is arranged on the port of export of three-way pipe and is connected with the priming valve of installation for transformer by external connecting leg, draining valve is arranged on the side branch of three connecting pipes, described transformer on-line intelligence recharging oil device also includes for replacing the electric contact oil level indicator of oil level indicator in installation for transformer, described control module is used for receiving pressure sensor, and the information of electric contact oil level indicator the action controlling frequency conversion gasoline pump and go out solenoid.
Transformer on-line intelligence recharging oil device of the present invention, the priming valve of solenoid under drawing with transformer top conservator that go out on transformer on-line intelligence recharging oil device three-way pipe is communicated with and can be carried out repairing work by an external connecting leg, when carrying out repairing, pressure sensor can be by transformer internal oil pressure data real-time sensing to the control module of designed type selecting, by this control module according to design pressure reduction control program, control the frequency of frequency conversion gasoline pump, automatically adjust frequency conversion gasoline pump all the time with the repairing of releiving a little more than the pressure of transformer internal oil pressure, this device can prevent that refueling process from occurring that overvoltage is dangerous, when specified oil level is arrived in repairing, connecting automatic control of electric contact oil level indicator closes gasoline pump and goes out solenoid, repairing end-of-job.Because repairing controls by pressure reduction the oil-feed of releiving all the time, therefore repairing overall process can not produce such as oil stream impact, turbulent flow, the situation such as splash, having overcome traditional gasoline pump and various oil filter, to add oil pressure uncontrollable and produce oil stream impact, turbulent flow, splash etc. and may cause the inner danger that produces electric discharge catastrophe failure of transformer in service, thereby guaranteed that transformer can carry out safe, reliable, efficient, economic repairing work in charging operation.
The control module of described transformer on-line intelligence recharging oil device mainly includes high oil level automatic control circuit, and several parts of pressure limiting automatic control circuit and pressure reduction automatic frequency-conversion control circuit form.
In sum, the utility model following advantage compared to existing technology:
Transformer on-line intelligence recharging oil device of the present utility model, overcome in the middle of prior art because widely used traditional repairing equipment is as gasoline pump or oil filter (comprising vacuum oil-filter), uncontrollable owing to adding oil pressure in refueling process, the situation such as oil stream impact, turbulent flow can occur, splash, may cause the catastrophe failure of transformer internal discharge, therefore transformer power failure must be turned to inspecting state and just can carry out repairing work.This device is by the oil pressure that adds of setting pressure reduction parameter control frequency conversion gasoline pump, with under the state a little more than installation for transformer internal oil pressure all the time, releive and refuel, guarantee oiling overall process, the situation such as oil stream impact, turbulent flow do not occur, splash and cause the inner contingent electric discharge catastrophe failure of transformer dangerous, the pressure limiting device of this device assembling has simultaneously guaranteed that superpressure danger does not occur repairing process, therefore without having a power failure, can complete transformer repairing work, compare and there is the advantage that can not intend ratio with need the have a power failure various kinds of equipment of carrying out of traditional repairing.
Accompanying drawing explanation
Fig. 1 is the structural representation of transformer on-line intelligence recharging oil device of the present invention.
Fig. 2 is the high oil level automatically controlled circuit diagram of the embodiment of the present invention.
Fig. 3 is the pressure limiting automatically controlled circuit diagram of the embodiment of the present invention.
Fig. 4 is the pressure reduction automatic frequency-conversion control circuit figure of the embodiment of the present invention.
Label declaration 1 frequency conversion gasoline pump 2 three-way pipes 21 go out pressure sensor 3 oil tank 4 electric contact oil level indicator 5 conservators that solenoid 22 draining valves 23 are controlled with pressure limiting.
Embodiment
Below in conjunction with embodiment, the utility model is described in more detail.
Embodiment 1
A kind of transformer on-line intelligence recharging oil device as Figure 1-4, include the oil tank 3 with delivery valve, frequency conversion gasoline pump 1, three-way pipe 2 and control module, solenoid 21 is housed out on three-way pipe, draining valve 22, the pressure sensor 23 of controlling with pressure limiting, described frequency conversion gasoline pump import is connected with oil tank, the outlet of frequency conversion gasoline pump is connected with three-way pipe, going out solenoid is arranged on the port of export of three-way pipe and is connected with the priming valve of installation for transformer by external connecting leg, draining valve is arranged on the side branch of three connecting pipes, described transformer on-line intelligence recharging oil device also includes for replacing the electric contact oil level indicator 4 of oil level indicator in installation for transformer, described control module is used for receiving pressure sensor, and the information of electric contact oil level indicator the action controlling frequency conversion gasoline pump and go out solenoid.Described transformer on-line intelligence recharging oil device also includes for replacing the electric contact oil level indicator of oil level indicator in installation for transformer, and described control module is for receiving the information of pressure sensor and electric contact oil level indicator the action of controlling frequency conversion gasoline pump and going out solenoid.
The control module of described transformer on-line intelligence recharging oil device mainly includes high oil level automatic control circuit, and several parts of pressure limiting automatic control circuit and pressure reduction automatic frequency-conversion control circuit form.
The repairing process of this transformer on-line intelligence recharging oil device is as follows:
(1), by going out the priming valve of solenoid under drawing with transformer top conservator by external connecting leg on the three-way pipe of transformer on-line intelligence recharging oil device of the present utility model, be communicated with,
(2), before repairing, first dismantle installation for transformer and breathe the silica gel drier draw lower pipe end, prevent from feeling suffocated in repairing process.
(3), open the priming valve of installation for transformer, open out solenoid, allow the oil of eminence conservator naturally flow down and fill with connecting leg and frequency conversion gasoline pump,
(4), unscrew frequency conversion gasoline pump top air relief cock, screw after emitting gas and dead oil,
(5), open the delivery valve of oil tank,
(6), open frequency conversion gasoline pump, according to pressure sensor, record in real time oil pressure value in transformer, and by the oil pressure that adds of setting pressure reduction parameter control frequency conversion gasoline pump, with under the state a little more than transformer internal oil pressure all the time, releive and refuel, guarantee to refuel overall process, the situation such as oil stream impact, turbulent flow do not occur, splash and cause the inner contingent electric discharge catastrophe failure of transformer, the pressure limiting device of this device assembling has simultaneously guaranteed that superpressure danger does not occur repairing process
(7), when refueling to specified oil level, the action of electric contact oil level indicator, automatically closes frequency conversion gasoline pump and goes out solenoid,
(8), close installation for transformer 5 priming valves, the silica gel drier of originally dismounting is reinstalled to conservator and breathes and draw lower pipe end,
(9
), close oil tank delivery valve,
(10), open draining valve and drain oil in pipeline,
It is same as the prior art that the present embodiment is not stated part.
Claims (2)
1. a transformer on-line intelligence recharging oil device, it is characterized in that: include the oil tank with delivery valve, frequency conversion gasoline pump, three-way pipe and control module, solenoid is housed out on three-way pipe, draining valve, the pressure sensor of controlling with pressure limiting, described frequency conversion gasoline pump import is connected with oil tank, the outlet of frequency conversion gasoline pump is connected with three-way pipe, going out solenoid is arranged on the port of export of three-way pipe and is connected with the priming valve of installation for transformer by external connecting leg, draining valve is arranged on the side branch of three connecting pipes, described transformer on-line intelligence recharging oil device also includes for replacing the electric contact oil level indicator of oil level indicator in installation for transformer, described control module is used for receiving pressure sensor, and the information of electric contact oil level indicator the action controlling frequency conversion gasoline pump and go out solenoid.
2. a kind of transformer on-line intelligence recharging oil device according to claim 1, it is characterized in that: the control module of described transformer on-line intelligence recharging oil device mainly includes high oil level automatic control circuit, several parts of pressure limiting automatic control circuit and pressure reduction automatic frequency-conversion control circuit form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320467488.XU CN203423032U (en) | 2013-08-01 | 2013-08-01 | On-line intelligent oil supplementation device for transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320467488.XU CN203423032U (en) | 2013-08-01 | 2013-08-01 | On-line intelligent oil supplementation device for transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203423032U true CN203423032U (en) | 2014-02-05 |
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ID=50022124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320467488.XU Expired - Fee Related CN203423032U (en) | 2013-08-01 | 2013-08-01 | On-line intelligent oil supplementation device for transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203423032U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103824680A (en) * | 2014-03-03 | 2014-05-28 | 国家电网公司 | On-line intelligent oil recharging device and method for electric oil-charged transformer |
| CN103887724A (en) * | 2014-04-03 | 2014-06-25 | 国家电网公司 | Method and device for supplementing oil to electrified transformer sleeve pipe |
| CN104637656A (en) * | 2015-01-30 | 2015-05-20 | 国网河南禹州市供电公司 | Intelligently-controlled electricity-saving transformer |
| CN104835628A (en) * | 2015-04-27 | 2015-08-12 | 国家电网公司 | Electrical high voltage oil-filled mutual inductor leakage blocking device using sealing cover and application method thereof |
| CN108288531A (en) * | 2018-01-09 | 2018-07-17 | 国网山东省电力公司滨州供电公司 | A kind of transformer oil level auxiliary conditioning unit |
| CN111998219A (en) * | 2020-07-15 | 2020-11-27 | 广东韶钢松山股份有限公司 | Oil supplementing method and oil supplementing device for thin oil sealed gas cabinet |
-
2013
- 2013-08-01 CN CN201320467488.XU patent/CN203423032U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103824680A (en) * | 2014-03-03 | 2014-05-28 | 国家电网公司 | On-line intelligent oil recharging device and method for electric oil-charged transformer |
| CN103887724A (en) * | 2014-04-03 | 2014-06-25 | 国家电网公司 | Method and device for supplementing oil to electrified transformer sleeve pipe |
| CN104637656A (en) * | 2015-01-30 | 2015-05-20 | 国网河南禹州市供电公司 | Intelligently-controlled electricity-saving transformer |
| CN104835628A (en) * | 2015-04-27 | 2015-08-12 | 国家电网公司 | Electrical high voltage oil-filled mutual inductor leakage blocking device using sealing cover and application method thereof |
| CN108288531A (en) * | 2018-01-09 | 2018-07-17 | 国网山东省电力公司滨州供电公司 | A kind of transformer oil level auxiliary conditioning unit |
| CN108288531B (en) * | 2018-01-09 | 2023-12-19 | 国网山东省电力公司滨州供电公司 | Transformer oil level auxiliary adjusting device |
| CN111998219A (en) * | 2020-07-15 | 2020-11-27 | 广东韶钢松山股份有限公司 | Oil supplementing method and oil supplementing device for thin oil sealed gas cabinet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140205 Termination date: 20180801 |
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| CF01 | Termination of patent right due to non-payment of annual fee |