CN203163943U - Oiling leakage check device for oil-immersed transformer - Google Patents
Oiling leakage check device for oil-immersed transformer Download PDFInfo
- Publication number
- CN203163943U CN203163943U CN 201320097881 CN201320097881U CN203163943U CN 203163943 U CN203163943 U CN 203163943U CN 201320097881 CN201320097881 CN 201320097881 CN 201320097881 U CN201320097881 U CN 201320097881U CN 203163943 U CN203163943 U CN 203163943U
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- China
- Prior art keywords
- solenoid valve
- oil
- motor
- vacuum pump
- reserve tank
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- Expired - Lifetime
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Abstract
The utility model provides an oiling leakage check device for an oil-immersed transformer. The device comprises an electric control cabinet, a vacuum pressure gauge, an oil collector, fuel pipe unions, an AC motor, a vacuum pump, a first solenoid valve, a second solenoid valve, a third solenoid valve, and a fourth solenoid valve. The vacuum pressure gauge, the AC motor, the vacuum pump, the first solenoid valve, the second solenoid valve, the third solenoid valve, and the fourth solenoid valve are respectively installed on the oil collector. The vacuum pump is connected with the first solenoid valve, the second solenoid valve, the third solenoid valve, and the fourth solenoid valve by pipelines. The vacuum pump is driven by the AC motor which is disposed on a side of the solenoid valves and connected with the AC motor. The vacuum pressure gauge measuring pressure in the oil collector is disposed on a side of the AC motor. The electric control cabinet is disposed on a side surface of the oil collector, and a lower end of the side surface of the oil collector is provided with a plurality of fuel pipe unions. The device can intuitively and rapidly find leak sources of the oil collector, and can perform sealed oiling leakage check tests on dozens of transformers at the same time at most.
Description
Technical field
The utility model relates to detection oil tank of transformer leak test equipment technical field, refers in particular to a kind of oil-filled transformer oiling leak test equipment.
Background technology
The oil seepage phenomena of the fuel tank of oil-filled transformer is puzzlement transformer industry and a power industry difficult problem for many years.It has not only caused the waste of transformer oil, and threatens the operational reliability of transformer, gives maintaining simultaneously again, and the civilization power supply brings difficulty.Therefore before transformer dispatched from the factory, manufacturer all will carry out impermeability test to the fuel tank of transformer according to the corresponding standard-required of country, guarantees that there is not oil leakage phenomenon in oil tank of transformer.
General test method is that the fuel tank of having annotated transformer oil is added inert gas, after tank pressure reaches the test standard required value, keeps the regular hour, and whether observe fuel tank has oil seepage phenomena, like this time of Jian Chaing longer, work efficiency is lower.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned deficiency, and a kind of rational in infrastructure, easy to operate, oil-filled transformer oiling leak test equipment that can detect simultaneously many transformers is provided.
For achieving the above object, technical scheme provided by the utility model is: a kind of oil-filled transformer oiling leak test equipment, it includes electric control box, pressure vacuum gauge, fuel reserve tank, tubing sub, AC motor, vacuum pump, first solenoid valve, second solenoid valve, the 3rd solenoid valve and the 4th solenoid valve, wherein, pressure vacuum gauge, AC motor, vacuum pump, first solenoid valve, second solenoid valve, the 3rd solenoid valve and the 4th solenoid valve are installed on the fuel reserve tank respectively, vacuum pump is by pipeline and first solenoid valve, second solenoid valve, the 3rd solenoid valve and the 4th solenoid valve connect, by being located at one side and the drive of connected AC motor, AC motor one side is provided with the pressure vacuum gauge of measuring the fuel reserve tank internal pressure, electric control box is installed on the side of fuel reserve tank, and the lower end of this fuel reserve tank side is equipped with several tubing subs.
The side of described fuel reserve tank is equipped with oil level indicator.
The utility model more can intuitively find the fuel tank leak source rapidly after having adopted such scheme, increase work efficiency, and can seal the test of oiling leak test to ten several transformers simultaneously at most.
Description of drawings
Fig. 1 is front view of the present utility model.
Fig. 2 is vertical view of the present utility model.
Fig. 3 is left view of the present utility model.
Fig. 4 is one of electrical schematic diagram of the present utility model.
Fig. 5 is two of electrical schematic diagram of the present utility model.
Fig. 6 is pneumatic schematic diagram of the present utility model.
Description of reference numerals: 1-electric control box, 2-pressure vacuum gauge, 3-fuel reserve tank, 4-tubing sub, 5-oil level indicator, 6-AC motor, 7-vacuum pump, 8-first solenoid valve, 9-second solenoid valve, 10-the 3rd solenoid valve, 11-the 4th solenoid valve.
Embodiment
The utility model is described in further detail below in conjunction with specific embodiment.
Referring to accompanying drawing 1 to shown in the accompanying drawing 6, the described oil-filled transformer oiling of present embodiment leak test equipment, it includes electric control box 1, pressure vacuum gauge 2, fuel reserve tank 3, tubing sub 4, AC motor 6, vacuum pump 7, first solenoid valve 8, second solenoid valve 9, the 3rd solenoid valve 10, the 4th solenoid valve 11, wherein, pressure vacuum gauge 2, AC motor 6, vacuum pump 7, first solenoid valve 8, second solenoid valve 9, the 3rd solenoid valve 10 and the 4th solenoid valve 11 are installed in respectively on the fuel reserve tank 3, first solenoid valve 8, second solenoid valve 9, the 3rd solenoid valve 10 and the 4th solenoid valve 11 pass through pipeline respectively, fuel reserve tank 3 and vacuum pump 7 are coupled together, and electric control box 1 is installed on the side of fuel reserve tank 3, when oiling detects in the fuel tank of transformer, press the SB2 oiling switch in the electric control box 1, connect KM1 contactor and KA1 relay, open second solenoid valve 9 and the 3rd solenoid valve 10, close first solenoid valve 8 and the 4th solenoid valve 11, the AC motor 1 that is connected with vacuum pump 7 drives vacuum pump 7 and gives fuel reserve tank 3 pressurizations, under the effect of pressure, oil content in the fuel tank 3 does not enter into the fuel tank of 12 transformers by 12 tubing subs 4 that are installed in lower end, fuel reserve tank 3 side, if which fuel tank oil seepage phenomena occurs and represents that this fuel tank does not have good seal, exists leak.After leak test is finished, must take unnecessary oil in 12 oil tank of transformer away, at this time press the SB3 oil return switch in the electric control box 1, connect KM2 contactor and KA2 relay, open first solenoid valve 8 and the 4th solenoid valve 11, close second solenoid valve 9 and the 3rd solenoid valve 10, AC motor 1 drive vacuum pump 7 is taken the air in the fuel reserve tank 3 away, produce negative pressure differential, make that unnecessary oil is withdrawn in the fuel reserve tank 3 in 12 oil tank of transformer.Pressure vacuum gauge 2 is located at AC motor 6 one sides; when the pressure in the fuel reserve tank 3 reaches pressure vacuum gauge 2 setting values; this pressure vacuum gauge 2 can feed back SP+ or SP-signal; connect the KA3 relay; open the KA3 normally closed contact, disconnect the KM1 contactor, KM1 normally opened contact homing; vacuum pump 7 quits work, and realizes monitoring and protective effect automatically.The oil level indicator 5 that is installed in fuel reserve tank 3 sides is used for the facilities for observation oil reserve.The utility model examples of implementation can carry out sealing to 12 oil tank of transformer simultaneously and detect, and have reduced a large amount of detection times, have improved work efficiency.
The examples of implementation of the above are the preferred embodiment of the utility model only, are not to limit practical range of the present utility model with this, so the variation that all shapes according to the utility model, principle are done all should be encompassed in the protection domain of the present utility model.
Claims (2)
1. oil-filled transformer oiling leak test equipment, it is characterized in that: it includes electric control box (1), pressure vacuum gauge (2), fuel reserve tank (3), tubing sub (4), AC motor (6), vacuum pump (7), first solenoid valve (8), second solenoid valve (9), the 3rd solenoid valve (10), the 4th solenoid valve (11), wherein, pressure vacuum gauge (2), AC motor (6), vacuum pump (7), first solenoid valve (8), second solenoid valve (9), the 3rd solenoid valve (10) and the 4th solenoid valve (11) are installed in respectively on the fuel reserve tank (3), vacuum pump (7) is respectively by pipeline and first solenoid valve (8), second solenoid valve (9), the 3rd solenoid valve (10) and the 4th solenoid valve (11) connect, drive by being located at one side and connected AC motor (6), AC motor (6) one sides are provided with the pressure vacuum gauge (2) of measuring fuel reserve tank (3) internal pressure, electric control box (1) is installed on the side of fuel reserve tank (3), and the lower end of this fuel reserve tank (3) side is equipped with a plurality of tubing subs (4).
2. a kind of oil-filled transformer oiling leak test equipment according to claim 1, it is characterized in that: the side of described fuel reserve tank (3) is equipped with oil level indicator (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320097881 CN203163943U (en) | 2013-03-05 | 2013-03-05 | Oiling leakage check device for oil-immersed transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320097881 CN203163943U (en) | 2013-03-05 | 2013-03-05 | Oiling leakage check device for oil-immersed transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203163943U true CN203163943U (en) | 2013-08-28 |
Family
ID=49025120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320097881 Expired - Lifetime CN203163943U (en) | 2013-03-05 | 2013-03-05 | Oiling leakage check device for oil-immersed transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203163943U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103528769A (en) * | 2013-10-24 | 2014-01-22 | 中电电气(江苏)股份有限公司 | Sealing leakage test device for oil-immersed transformer |
| CN103578699A (en) * | 2013-11-05 | 2014-02-12 | 国家电网公司 | High-oil-level differential type leak detection device for oil tank |
| CN106768694A (en) * | 2016-11-29 | 2017-05-31 | 天威保变（秦皇岛）变压器有限公司 | A kind of new transformer entirety leak testing process |
-
2013
- 2013-03-05 CN CN 201320097881 patent/CN203163943U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103528769A (en) * | 2013-10-24 | 2014-01-22 | 中电电气(江苏)股份有限公司 | Sealing leakage test device for oil-immersed transformer |
| CN103578699A (en) * | 2013-11-05 | 2014-02-12 | 国家电网公司 | High-oil-level differential type leak detection device for oil tank |
| CN103578699B (en) * | 2013-11-05 | 2016-04-20 | 国家电网公司 | High oil level drop height type fuel tank leak-checking apparatus |
| CN106768694A (en) * | 2016-11-29 | 2017-05-31 | 天威保变（秦皇岛）变压器有限公司 | A kind of new transformer entirety leak testing process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 528225 Guangdong city in Foshan province north of the town of Nanhai District Economic Development Zone, the industrial section of the North South China Sea Patentee after: GUANGDONG GUANGTE ELECTRIC Co.,Ltd. Address before: 528225 Guangdong city in Foshan province north of the town of Nanhai District Economic Development Zone, the industrial section of the North South China Sea Patentee before: GUANGDONG GUANGTE ELECTRIC Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20130828 |
|
| CX01 | Expiry of patent term |