CN206920499U - A kind of capacitance type potential transformer of power construction oil-leakage-prevention - Google Patents
A kind of capacitance type potential transformer of power construction oil-leakage-prevention Download PDFInfo
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- CN206920499U CN206920499U CN201720576063.0U CN201720576063U CN206920499U CN 206920499 U CN206920499 U CN 206920499U CN 201720576063 U CN201720576063 U CN 201720576063U CN 206920499 U CN206920499 U CN 206920499U
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- transformer
- leakage
- insulated porcelain
- fuel tank
- capacitance type
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Abstract
The utility model discloses a kind of capacitance type potential transformer of power construction oil-leakage-prevention, including insulated porcelain sleeve, electromagnetism sleeve pipe and fuel tank, the insulated porcelain sleeve is arranged on the top of mutual inductor installation base, the inner upper of the mutual inductor installation base is provided with current sensor close to the lower section of insulated porcelain sleeve close to opening position, the electromagnetism sleeve pipe is arranged on the bosom opening position of insulated porcelain sleeve, the lower right-hand side of the mutual inductor installation base is provided with fuel outlet valve, the lower section middle position of the terminal box is provided with ground wire port, the preceding surface middle position of the transformer body is provided with primary connection plate.The capacitance type potential transformer of the special oil-leakage-prevention of the power equipment is scientific and reasonable for structure, it is safe and convenient to use, by being provided with a magnetic shielding cover in the inside of fuel tank, the bolt magnetic flow for avoiding connecting fuel tank excessively causes high temperature, make the sealing ring aging fuel tank oil leak in fuel tank, the problem of influenceing the normal work of transformer.
Description
Technical field
It the utility model is related to a kind of power equipment, and in particular to a kind of capacitor voltage of power construction oil-leakage-prevention is mutual
Sensor.
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.But existing voltage transformer exists
Some defects during use be present, for example, magnetic flow is uneven on transformer, the bolt magnetic flow for connecting fuel tank is excessively led
High temperature is caused, sealing ring in fuel tank is occurred aging, fuel tank oil leak, influences the normal work of transformer；And electric current is excessive
When easily cause transformer to generate heat, burn out the device of inside, use is not safe enough.
Utility model content
The utility model provides a kind of capacitance type potential transformer of power construction oil-leakage-prevention, solves magnetic on transformer
Mass flow discrepancy is even, connects the bolt magnetic flow of fuel tank and excessively causes high temperature, makes the sealing ring in fuel tank that aging, fuel tank leakage occur
Oil, the problem of influenceing the normal work of transformer.
In order to solve the above-mentioned technical problem, the utility model provides following technical scheme：
A kind of capacitance type potential transformer of power construction oil-leakage-prevention of the utility model, including insulated porcelain sleeve, electromagnetic sleeve
Pipe and fuel tank, the insulated porcelain sleeve are arranged on the top of mutual inductor installation base, the inner upper of the mutual inductor installation base
Opening position is provided with current sensor close to the lower section of insulated porcelain sleeve, and base is provided with below mutual inductor installation base
Support, the electromagnetism sleeve pipe are arranged on the bosom opening position of insulated porcelain sleeve, and the left side lower section of the insulated porcelain sleeve is close to mutually
Terminal box is provided with the top position of sensor mounting seat, the lower right-hand side of the mutual inductor installation base, which is provided with, drains the oil
Valve, the lower section middle position of the terminal box are provided with ground wire port, and the current sensor is electrically connected with terminal box,
The upper end of the insulated porcelain sleeve is provided with transformer body, and the preceding surface middle position of the transformer body is set once
Terminal 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 oil
Case is internally provided with magnetic shielding cover.
As a kind of optimal technical scheme of the present utility model, the insulated porcelain sleeve is helicitic texture.
As a kind of optimal technical scheme of the present utility model, the base support is provided with three, and three bases altogether
Support is installed in the lower section of mutual inductor installation base, and A-frame is fixed more stable.
As a kind of optimal technical scheme of the present utility model, the primary connection plate is consolidated with transformer body by bolt
Fixed connection, is bolted and is more convenient for removing and installing.
As a kind of optimal technical scheme of the present utility model, the secondary connection plate is consolidated with transformer body by bolt
Fixed connection.
The beneficial effect that the utility model is reached is：The capacitance type potential transformer knot of the special oil-leakage-prevention of the power equipment
Structure is scientific and reasonable, safe and convenient to use, by being provided with a magnetic shielding cover in the inside of fuel tank, avoids connecting the bolt of fuel tank
Magnetic flow 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；And
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 connecting wires
Place enters underground, avoids electric current excessive the problem of causing transformer heating to burn out internal device.
Brief description of the drawings
Accompanying drawing is used for providing further understanding to of the present utility model, and a part for constitution instruction, with this practicality
New embodiment is used to explain the utility model together, does not form to limitation of the present utility model.
In the accompanying drawings：
Fig. 1 is a kind of front view of the capacitance type potential transformer of power construction oil-leakage-prevention of the utility model；
Fig. 2 is a kind of top view of the capacitance type potential transformer of power construction oil-leakage-prevention of the utility model；
In figure：1st, primary connection plate；2nd, transformer body；3rd, insulated porcelain sleeve；4th, terminal box；5th, it is grounded port；6th, mutually
Sensor mounting seat；7th, current sensor；8th, fuel outlet valve；9th, electromagnetism sleeve pipe；10th, secondary connection plate；11st, magnetic shielding cover；12nd, it is oily
Case；13rd, base support.
Embodiment
Preferred embodiment of the present utility model is illustrated below in conjunction with accompanying drawing, it will be appreciated that described herein excellent
Select embodiment to be merely to illustrate and explain the utility model, be not used to limit the utility model.
Embodiment：As shown in Figure 1-2, a kind of capacitance type potential transformer of power construction oil-leakage-prevention of the utility model,
Including insulated porcelain sleeve 3, electromagnetism sleeve pipe 9 and fuel tank 12, insulated porcelain sleeve 3 is arranged on the top of mutual inductor installation base 6, transformer peace
The inner upper for filling base 6 is provided with current sensor 7 close to the lower section of insulated porcelain sleeve 3 close to opening position, and transformer is installed
The lower section of base 6 is provided with base support 13, and electromagnetism sleeve pipe 9 is arranged on the bosom opening position of insulated porcelain sleeve 3, insulated porcelain sleeve
Below 3 left side terminal box 4, the right side of mutual inductor installation base 6 are provided with the top position of mutual inductor installation base 6
Lower section is provided with fuel outlet valve 8, and the lower section middle position of terminal box 4 is provided with ground wire port 5, current sensor 7 and wiring
Box 4 is electrically connected with, and the upper end of insulated porcelain sleeve 3 is provided with transformer body 2, and the preceding surface middle position of transformer body 2 is set
Primary connection plate 1 is equipped with, and the right side of transformer body 2 is provided with secondary connection plate 10, fuel tank 12 is arranged on transformer body 2
Top, and fuel tank 12 is internally 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 the lower section of mutual inductor installation base 6,
A-frame is fixed more stable.
Primary connection plate 1 is bolted to connection with transformer body 2, is bolted and is more convenient for removing and installing.
Secondary connection plate 10 is bolted to connection with transformer body 2.
, will be mutual after the capacitance type potential transformer of the special oil-leakage-prevention of the power equipment installs specifically, when in use
1 low-loss reactor of primary connection plate series connection on sensor body 2, secondary connection plate 10 are connected with damping unit, work as electromagnetism
Sleeve pipe 9 causes overvoltage, when on middle pressure transformer by reactor, by the reactor connected with primary connection plate 1 and secondary
The damping unit that terminal plate 10 is connected is depressured and isolated, and the equipment such as metering, instrument are played a protective role so as to reach, when
When transformer load impedance reduces electric current increase, current sensor 7 senses, electric current can be from the grounding terminal of the lower section of terminal box 4
Underground is inputted at mouth 5.
The capacitance type potential transformer of the special oil-leakage-prevention of this kind of power equipment is scientific and reasonable for structure, safe and convenient to use, leads to
To cross and be provided with a magnetic shielding cover 11 in the inside of fuel tank 12, the bolt magnetic flow for avoiding connecting fuel tank 12 excessively causes high temperature,
Make the oil leak of sealing ring aging fuel tank 12 in fuel tank 12, the problem of influenceing the normal work of transformer；And it is provided with an electricity
Flow sensor 7, when the magnitude of current is excessive in electromagnetism sleeve pipe 9, the unnecessary magnitude of current will enter underground from the place of connecting wires, and keep away
Exempt from electric current it is excessive cause transformer heating burn out inside device the problem of.
Finally it should be noted that：Preferred embodiment of the present utility model is the foregoing is only, is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it can still modify to the technical scheme described in foregoing embodiments, or to which part technical characteristic
Carry out equivalent substitution.All any modification, equivalent substitution and improvements within the spirit and principles of the utility model, made etc.,
It should be included within the scope of protection of the utility model.
Claims (5)
1. a kind of capacitance type potential transformer of power construction oil-leakage-prevention, including insulated porcelain sleeve (3), electromagnetism sleeve pipe (9) and oil
Case (12), it is characterised in that：The insulated porcelain sleeve (3) is arranged on the top of mutual inductor installation base (6), the transformer installation
The inner upper of base (6) is provided with current sensor (7), and transformer close to the lower section of insulated porcelain sleeve (3) close to opening position
Base support (13) is provided with below mounting seat (6), the electromagnetism sleeve pipe (9) is arranged in the inside of insulated porcelain sleeve (3)
Between opening position, be provided with wiring at the top position of mutual inductor installation base (6) below the left side of the insulated porcelain sleeve (3)
Box (4), the lower right-hand side of the mutual inductor installation base (6) are provided with fuel outlet valve (8), among the lower section of the terminal box (4)
Opening position is provided with ground wire port (5), and the current sensor (7) is electrically connected with terminal box (4), the insulated porcelain sleeve
(3) upper end is provided with transformer body (2), and the preceding surface middle position of the transformer body (2), which is set, once to be connect
Line plate (1), and secondary connection plate (10) is provided with the right side of transformer body (2), the fuel tank (12) is arranged on transformer device
The top of body (2), and fuel tank (12) is internally provided with magnetic shielding cover (11).
A kind of 2. capacitance type potential transformer of power construction oil-leakage-prevention according to claim 1, it is characterised in that institute
It is helicitic texture to state insulated porcelain sleeve (3).
A kind of 3. capacitance type potential transformer of power construction oil-leakage-prevention according to claim 1, it is characterised in that institute
State base support (13) and be provided with three altogether, and three base supports (13) are installed in the lower section of mutual inductor installation base (6).
A kind of 4. capacitance type potential transformer of power construction oil-leakage-prevention according to claim 3, it is characterised in that institute
Primary connection plate (1) is stated to be bolted to connection with transformer body (2).
A kind of 5. capacitance type potential transformer of power construction oil-leakage-prevention according to claim 1, it is characterised in that institute
Secondary connection plate (10) is stated to be bolted to connection with transformer body (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720576063.0U CN206920499U (en) | 2017-05-23 | 2017-05-23 | A kind of capacitance type potential transformer of power construction oil-leakage-prevention |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720576063.0U CN206920499U (en) | 2017-05-23 | 2017-05-23 | A kind of capacitance type potential transformer of power construction oil-leakage-prevention |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206920499U true CN206920499U (en) | 2018-01-23 |
Family
ID=61308883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720576063.0U Active CN206920499U (en) | 2017-05-23 | 2017-05-23 | A kind of capacitance type potential transformer of power construction oil-leakage-prevention |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206920499U (en) |
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2017
- 2017-05-23 CN CN201720576063.0U patent/CN206920499U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200807 Address after: No.3, Heyuan Road, Jinyuan District, Taiyuan City, Shanxi Province Co-patentee after: INFORMATION COMMUNICATION BRANCH OF STATE GRID SHANXI ELECTRIC POWER Co. Patentee after: STATE GRID SHANXI ELECTRIC POWER Co. Co-patentee after: SHANXI YITONG POWER GRID PROTECTION AUTOMATION Co.,Ltd. Address before: No. 1602, Shanxi province electric power company, No. 71, Taiyuan City, Shanxi, Shanxi Co-patentee before: INFORMATION COMMUNICATION BRANCH OF STATE GRID SHANXI ELECTRIC POWER Co. Patentee before: STATE GRID SHANXI ELECTRIC POWER Co. Co-patentee before: POWER GRID TECHNOLOGY BRANCH OF SHANXI JINDIAN POWER ELECTRIC TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right |