CN206710485U - A kind of capacitance type potential transformer of the special oil-leakage-prevention of power equipment - Google Patents
A kind of capacitance type potential transformer of the special oil-leakage-prevention of power equipment Download PDFInfo
- Publication number
- CN206710485U CN206710485U CN201720455149.8U CN201720455149U CN206710485U CN 206710485 U CN206710485 U CN 206710485U CN 201720455149 U CN201720455149 U CN 201720455149U CN 206710485 U CN206710485 U CN 206710485U
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- Prior art keywords
- transformer
- fuel tank
- leakage
- prevention
- power equipment
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Abstract
The utility model discloses a kind of capacitance type potential transformer of the special oil-leakage-prevention of power equipment, including insulated porcelain sleeve, electromagnetism sleeve pipe and fuel tank, the insulated porcelain sleeve is arranged on the top of mounting seat, the electromagnetism sleeve pipe is arranged on the bosom opening position of insulated porcelain sleeve, the lower right-hand side of the mounting seat is provided with fuel outlet valve, the lower section middle position of the terminal box is provided with ground wire port, the upper end of the insulated porcelain sleeve is provided with transformer body, the preceding surface middle position of the transformer body is provided with primary connection plate, the fuel tank is arranged on the top of transformer body；The beneficial effects of the utility model are：The capacitance type potential transformer of the special oil-leakage-prevention of the power equipment is scientific and reasonable for structure, a magnetic shielding cover is provided with the inside of fuel tank, the bolt magnetic flow for avoiding connecting fuel tank excessively causes high temperature, makes the sealing ring aging fuel tank oil leak in fuel tank, the problem of influenceing the normal work of transformer.
Description
Technical field
The utility model belongs to voltage transformer technical field, and in particular to a kind of electric capacity of the special oil-leakage-prevention of power equipment
Formula voltage transformer.
Background technology
Voltage transformer and transformer are very alike, are all the voltage on conversion line.But transformer voltage of transformation
Purpose be to convey electric energy, therefore capacity is very big, typically using kilovolt-ampere or megavolt-ampere as unit of account;And voltage is mutual
The purpose of sensor voltage of transformation, be primarily used to measuring instrumentss and protective relaying device power supply, for the voltage of measurement circuitry,
Power and electric energy, or for the expensive equipment in the protection circuit in line failure, motor and transformer, therefore voltage
The capacity very little of transformer, typically all there was only several volt-amperes, tens volt-amperes, maximum is also no more than one kilovolt-ampere.Voltage transformer is
One transformer with iron core.It is mainly made up of first and second coil, iron core and insulation.When the application one in first winding
During voltage U1, a magnetic flux φ is just produced in iron core, according to the law of electromagnetic induction, then one two is just produced in secondary winding
Secondary voltage U2.Change once or secondary winding the number of turn, different primary voltages and secondary voltage ratio can be produced, this can group
Into not year-on-year voltage transformer.High voltage is converted into low-voltage, i.e. 100V, voltage transformer one by voltage transformer in proportion
Secondary side joint is in primary system, secondary side joint measuring instrumentss, relay protection etc.;Mainly (the capacitance type potential transformer of electromagnetic type
It is widely used), separately there is non electromagnetic, such as electronic type, photo-electric.
Some defects during use be present in existing voltage transformer, for example, magnetic flow is uneven on transformer,
The bolt magnetic flow of connection fuel tank excessively causes high temperature, makes the sealing ring in fuel tank that aging occur, fuel tank oil leak, influences transformer
Normal work；And easily cause transformer to generate heat when electric current is excessive, burn out the device of inside, use is not safe enough.
Utility model content
The purpose of this utility model is the capacitance type potential transformer for providing a kind of special oil-leakage-prevention of power equipment, with solution
When the excessive sealing ring aging of magnetic flow causes fuel tank oil leak and excessive electric current at the fuel tank proposed in certainly above-mentioned background technology
The problem of easily causing transformer heating to burn out internal components.
To achieve the above object, the utility model provides following technical scheme：A kind of electricity of the special oil-leakage-prevention of power equipment
Appearance formula voltage transformer, including insulated porcelain sleeve, electromagnetism sleeve pipe and fuel tank, the insulated porcelain sleeve are arranged on the top of mounting seat,
The inner upper of the mounting seat is provided with current sensor, and mounting seat close to the lower section of insulated porcelain sleeve close to opening position
Lower section be provided with base support, the electromagnetism sleeve pipe is arranged on the bosom opening position of insulated porcelain sleeve, the insulated porcelain sleeve
Left side below close to mounting seat top position at be provided with terminal box, the lower right-hand side of the mounting seat, which is provided with, to be put
Fuel tap, the lower section middle position of the terminal box are provided with ground wire port, and the current sensor electrically connects with terminal box
Connect, the upper end of the insulated porcelain sleeve is provided with transformer body, and the preceding surface middle position of the transformer body is provided with
Primary connection plate, and secondary connection plate is provided with the right side of transformer body, the fuel tank is arranged on the top of transformer body,
And fuel tank is internally provided with magnetic shielding cover.
Preferably, the insulated porcelain sleeve is helicitic texture.
Preferably, the base support is provided with three altogether, and three base supports are installed in the lower section of mounting seat.
Preferably, the primary connection plate is bolted to connection with transformer body.
Preferably, the secondary connection plate is bolted to connection with transformer body.
Compared with prior art, the beneficial effects of the utility model are：The capacitive battery of the special oil-leakage-prevention of the power equipment
Press transformer scientific and reasonable for structure, it is safe and convenient to use, a magnetic shielding cover is provided with the inside of fuel tank, avoids connecting fuel tank
Bolt magnetic flow excessively cause high temperature, make the sealing ring aging fuel tank oil leak in fuel tank, influence the normal work of transformer
Problem；And a current sensor is provided with, when the magnitude of current is excessive in electromagnetism sleeve pipe, the unnecessary magnitude of current will be from
Place of connecting wires enters underground, avoids electric current excessive the problem of causing transformer heating to burn out internal device.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
In figure：1- primary connections plate, 2- transformers body, 3- insulated porcelain sleeves, 4- terminal boxes, 5- ground wires port, 6- peaces
Fill base, 7- current sensors, 8- fuel outlet valves, 9- electromagnetism sleeve pipe, 10- secondary connections plate, 11- magnetic shielding covers, 12- fuel tanks, 13-
Base support.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Referring to Fig. 1, the utility model provides a kind of technical scheme：A kind of capacitive battery of the special oil-leakage-prevention of power equipment
Transformer, including insulated porcelain sleeve 3, electromagnetism sleeve pipe 9 and fuel tank 12 are pressed, insulated porcelain sleeve 3 is arranged on the top of mounting seat 6, installation
The inner upper of base 6 is provided with current sensor 7 close to the lower section of insulated porcelain sleeve 3 close to opening position, and under mounting seat 6
Side is provided with base support 13, and electromagnetism sleeve pipe 9 is arranged on the bosom opening position of insulated porcelain sleeve 3, under the left side of insulated porcelain sleeve 3
Side is provided with terminal box 4 at the top position of mounting seat 6, and the lower right-hand side of mounting seat 6 is provided with fuel outlet valve 8, connect
The lower section middle position of line box 4 is provided with ground wire port 5, and current sensor 7 is electrically connected with terminal box 4, insulated porcelain sleeve 3
Upper end be provided with transformer body 2, the preceding surface middle position of transformer body 2 is provided with primary connection plate 1, and mutual inductance
The right side of device body 2 is provided with secondary connection plate 10, and fuel tank 12 is arranged on the top of transformer body 2, and the inside of fuel tank 12
It is provided with magnetic shielding cover 11.
Insulated porcelain sleeve 3 is helicitic texture.Base support 13 is provided with three altogether, and three base supports 13 are installed in peace
Fill the lower section of base 6.Primary connection plate 1 is bolted to connection with transformer body 2.Secondary connection plate 10 and transformer device
Body 2 is bolted to connection.
Current sensor 7 in the utility model is made up of the magnetic line of force, magnetic core and electrode, and its operation principle is mainly
Hall effect.
Operation principle and process for using of the present utility model：The capacitance type potential transformer of the special oil-leakage-prevention of the power equipment
After installing, 1 low-loss reactor of primary connection plate on transformer body 2 is connected, secondary connection plate 10 and damping
Device is connected, when electromagnetism sleeve pipe 9 causes overvoltage, when on middle pressure transformer by reactor, by being connected with primary connection plate 1
Reactor and secondary connection plate 10 connect damping unit be depressured and isolated, so as to reach to equipment such as metering, instrument
Play a protective role, when transformer load impedance reduces electric current increase, current sensor 7 senses, electric current can be from terminal box 4
Underground is inputted at the ground wire port 5 of lower section.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of capacitance type potential transformer of the special oil-leakage-prevention of power equipment, including insulated porcelain sleeve（3）, electromagnetism sleeve pipe（9）With
Fuel tank（12）, it is characterised in that：The insulated porcelain sleeve（3）Installed in mounting seat（6）Top, the mounting seat（6）'s
Inner upper is close to insulated porcelain sleeve（3）Lower section opening position is provided with current sensor（7）, and mounting seat（6）Under
Side is provided with base support（13）, the electromagnetism sleeve pipe（9）Installed in insulated porcelain sleeve（3）Bosom opening position, it is described absolutely
Edge insulator（3）Left side below close to mounting seat（6）Top position at be provided with terminal box（4）, the mounting seat（6）
Lower right-hand side be provided with fuel outlet valve（8）, the terminal box（4）Lower section middle position be provided with ground wire port（5）, institute
State current sensor（7）With terminal box（4）It is electrically connected with, the insulated porcelain sleeve（3）Upper end be provided with transformer body（2）,
The transformer body（2）Preceding surface middle position be provided with primary connection plate（1）, and transformer body（2）Right side
It is provided with secondary connection plate（10）, the fuel tank（12）Installed in transformer body（2）Top, and fuel tank（12）Inside set
It is equipped with magnetic shielding cover（11）.
A kind of 2. capacitance type potential transformer of the special oil-leakage-prevention of power equipment according to claim 1, it is characterised in that：
The insulated porcelain sleeve（3）For helicitic texture.
A kind of 3. capacitance type potential transformer of the special oil-leakage-prevention of power equipment according to claim 1, it is characterised in that：
The base support（13）Three, and three base supports are provided with altogether（13）It is installed in mounting seat（6）Lower section.
A kind of 4. capacitance type potential transformer of the special oil-leakage-prevention of power equipment according to claim 1, it is characterised in that：
The primary connection plate（1）With transformer body（2）It is bolted to connection.
A kind of 5. capacitance type potential transformer of the special oil-leakage-prevention of power equipment according to claim 1, it is characterised in that：
The secondary connection plate（10）With transformer body（2）It is bolted to connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720455149.8U CN206710485U (en) | 2017-04-27 | 2017-04-27 | A kind of capacitance type potential transformer of the special oil-leakage-prevention of power equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720455149.8U CN206710485U (en) | 2017-04-27 | 2017-04-27 | A kind of capacitance type potential transformer of the special oil-leakage-prevention of power equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206710485U true CN206710485U (en) | 2017-12-05 |
Family
ID=60457542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720455149.8U Expired - Fee Related CN206710485U (en) | 2017-04-27 | 2017-04-27 | A kind of capacitance type potential transformer of the special oil-leakage-prevention of power equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206710485U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109545513A (en) * | 2018-12-27 | 2019-03-29 | 象山宏强电气制造有限公司 | A kind of capacitance type potential transformer device of the anti-oil leakage protection of pressure-releasing type |
-
2017
- 2017-04-27 CN CN201720455149.8U patent/CN206710485U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109545513A (en) * | 2018-12-27 | 2019-03-29 | 象山宏强电气制造有限公司 | A kind of capacitance type potential transformer device of the anti-oil leakage protection of pressure-releasing type |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171205 Termination date: 20180427 |