CN203491684U - Low-voltage power transformation operation safety protection device - Google Patents
Low-voltage power transformation operation safety protection device Download PDFInfo
- Publication number
- CN203491684U CN203491684U CN201320643709.4U CN201320643709U CN203491684U CN 203491684 U CN203491684 U CN 203491684U CN 201320643709 U CN201320643709 U CN 201320643709U CN 203491684 U CN203491684 U CN 203491684U
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- CN
- China
- Prior art keywords
- lightning arrester
- operation safety
- transformation operation
- power transformation
- current 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a low-voltage power transformation operation safety protection device. The low-voltage power transformation operation safety protection device includes a cement rod, an electric mechanism, a solenoid valve, an isolation switch, a lightning arrester, a current transformer, a discharging coil, and a pedestal, wherein the pedestal is fixed on the top part of the cement rod, the isolation switch, the lightning arrester, and the current transformer are disposed on the pedestal, the electric mechanism is disposed on the cement rod, the electric mechanism is connected with the solenoid valve, the solenoid valve is connected with the isolation switch, the isolation switch is connected with the lightning arrester, the current transformer is connected with the discharging coil, and a discharging interval is arranged between the discharging coil and the lightning arrester. The low-voltage power transformation operation safety protection device has advantages of being small in size, being high in reliability, being safe to use, and being capable of avoiding danger accidents and guaranteeing normal power supply of a power system.
Description
Technical field
The utility model relates to a kind of electrical protection apparatus, particularly a kind of low pressure power transformation operation safety guard.
Background technology
In low pressure electricity supplying and using system, transformer station is in operation, and single-phase earthing occurs is modal fault, when arcing ground appears in fault point, can further expand stator winding insulation infringement and even cause the iron core sintering of burning, as found not in time and excision fast, fault will develop into alternate or turn-to-turn short circuit.
Summary of the invention
The purpose of this utility model is exactly in view of the foregoing defects the prior art has, provides a kind of volume little, and Installation and Debugging are convenient, the low pressure power transformation operation safety guard that reliability is high.
Its technical scheme is: comprise cement pole, motor drive mechanism, electromagnetically operated valve, isolating switch, lightning arrester, current transformer, discharge coil, base, the top firm banking of cement pole, described base is provided with isolating switch, lightning arrester summation current transformer, cement pole is provided with motor drive mechanism, motor drive mechanism connected electromagnetic valve, electromagnetically operated valve connects isolating switch, and isolating switch connects lightning arrester, current transformer connects discharge coil, between described discharge coil and lightning arrester, is provided with discharging gap.
Above-mentioned cement pole and the junction of base are fixed by stiffener.
The beneficial effects of the utility model are: volume is little, and Installation and Debugging are convenient, and reliability is high, use safety, avoid the generation of peril, guarantee electric power system normal power supply.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present utility model;
In upper figure: cement pole 1, motor drive mechanism 2, electromagnetically operated valve 3, isolating switch 4, lightning arrester 5, current transformer 6, discharge coil 7, stiffener 8, discharging gap 9, base 10.
Embodiment
By reference to the accompanying drawings 1, the utility model will be further described:
The utility model comprises cement pole 1, motor drive mechanism 2, electromagnetically operated valve 3, isolating switch 4, lightning arrester 5, current transformer 6, discharge coil 7, base 10, the top firm banking 10 of cement pole 1, described base 10 is provided with isolating switch 4, lightning arrester 5 summation current transformers 6, cement pole 1 is provided with motor drive mechanism 2, motor drive mechanism 2 connected electromagnetic valves 3, electromagnetically operated valve 3 connects isolating switch 4, isolating switch 4 connects lightning arrester 5, current transformer 6 connects discharge coil 7, between described discharge coil 7 and lightning arrester 5, is provided with discharging gap 9; Described cement pole 1 and the junction of base 10 are fixing by stiffener 8.
Volume of the present utility model is little, and Installation and Debugging are convenient, and reliability is high, uses safety, avoids the generation of peril, guarantees electric power system normal power supply.
Claims (2)
1. a low pressure power transformation operation safety guard, it is characterized in that: comprise cement pole (1), motor drive mechanism (2), electromagnetically operated valve (3), isolating switch (4), lightning arrester (5), current transformer (6), discharge coil (7), base (10), the top firm banking (10) of cement pole (1), described base (10) is provided with isolating switch (4), lightning arrester (5) summation current transformer (6), cement pole (1) is provided with motor drive mechanism (2), motor drive mechanism (2) connected electromagnetic valve (3), electromagnetically operated valve (3) connects isolating switch (4), isolating switch (4) connects lightning arrester (5), current transformer (6) connects discharge coil (7), between described discharge coil (7) and lightning arrester (5), be provided with discharging gap (9).
2. low pressure power transformation operation safety guard according to claim 1, is characterized in that: the junction of described cement pole (1) and base (10) is fixing by stiffener (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320643709.4U CN203491684U (en) | 2013-10-18 | 2013-10-18 | Low-voltage power transformation operation safety protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320643709.4U CN203491684U (en) | 2013-10-18 | 2013-10-18 | Low-voltage power transformation operation safety protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203491684U true CN203491684U (en) | 2014-03-19 |
Family
ID=50262486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320643709.4U Expired - Fee Related CN203491684U (en) | 2013-10-18 | 2013-10-18 | Low-voltage power transformation operation safety protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203491684U (en) |
-
2013
- 2013-10-18 CN CN201320643709.4U patent/CN203491684U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20140319 Termination date: 20141018 |
|
| EXPY | Termination of patent right or utility model |