CN207623449U - DC power transmission line lightning stroke trip failure shaft tower quick search device - Google Patents
DC power transmission line lightning stroke trip failure shaft tower quick search device Download PDFInfo
- Publication number
- CN207623449U CN207623449U CN201721520939.6U CN201721520939U CN207623449U CN 207623449 U CN207623449 U CN 207623449U CN 201721520939 U CN201721520939 U CN 201721520939U CN 207623449 U CN207623449 U CN 207623449U
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- electric current
- mutual inductor
- relay
- lightning stroke
- current detecting
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Abstract
The utility model discloses a kind of DC power transmission line lightning stroke trip failure shaft tower quick search device, including guide line, enter land mine electric current detecting coil, mutual inductor and identification instruction component；Guide line one end is connected with down conductor, and the other end is connected and is grounded after land mine electric current detecting coil；Mutual inductor is mounted on the side opposite with land mine electric current detecting coil is entered, and identification instruction component is connected on mutual inductor；Identification instruction component includes light emitting diode, control relay switch, the relay and power module that are connected with mutual inductor, is connected with power module after relay and light emitting diode parallel connection.The present apparatus can help the circuit ground timely inquiry judging of patrol officer to have lightning stroke trip failure shaft tower, promote operating accuracy and efficiency, to eliminate the defect hidden danger of lightning stroke trip generation in time, the availability of promotion ± 500kV DC power transmission lines ensures transmission line safety stable operation.
Description
Technical field
The utility model is related to DC power transmission line lightning protection fields, more particularly to a kind of quick and precisely identification to judge
The DC power transmission line lightning stroke trip failure shaft tower quick search device of lightning stroke trip failure.
Background technology
According to power system transmission line O＆M regulation, ± 500kV DC power transmission lines after lightning stroke trip failure occurs,
Lightning stroke trip failure must be found out at the appointed time, reconnoitres fault point flashover trace, judge whether to need to re-replace insulation
Son.
Currently, the inquiry of ± 500kV DC power transmission line lightning stroke trip failure shaft towers relies primarily on the event of both ends current conversion station
Hinder range-measurement system, substantially judges failure shaft tower range, the generally range of 5-10 base shaft towers.Ground patrol officer generally requires
Could finally it confirm after these shaft towers are all stepped on tower inspection, working efficiency and operating accuracy are urgently promoted.
Utility model content
The purpose of the utility model is to overcome above-mentioned the deficiencies in the prior art, provide a kind of DC power transmission line lightning stroke trip
Failure shaft tower quick search device.
The utility model is achieved through the following technical solutions：DC power transmission line lightning stroke trip failure shaft tower is quick
Inquiry unit connects with the down conductor of transmission tower, including guide line, enter land mine electric current detecting coil, mutual inductor and
Identification instruction component；Described guide line one end is connected with the down conductor, and the other end is connected into land mine current detecting line
It is grounded after circle；The mutual inductor be mounted on it is described enter the opposite side of land mine electric current detecting coil, the identification key group
Part is connected on the mutual inductor；The identification instruction component includes light emitting diode, control relay switch and the mutual inductance
The relay that coil is connected and the power module for powering for the relay and the light emitting diode, the relay
Connect with the power module after device and the light emitting diode parallel connection, the control relay switch setting is described for controlling
On LEDs ON or the circuit of closure.
Lightning current is flowed through by entering land mine electric current detecting coil, guide line inflow the earth into land mine electric current detecting coil
Lightning current induces electric current on mutual inductor, when induced current is more than relay setting so that control relay switch closes
It closes, identification instruction component is in channel status, and LEDs ON simultaneously shines, so that the quick search of patrol officer is known
Other lightning stroke trip failure shaft tower.
It is described enter land mine electric current detecting coil and mutual inductor be Current Mutual Inductance coil.
The relay is electric current relay.
It is compared with the prior art, the utility model has the advantage of：The present apparatus is simple in structure, easy to operate；It can help
Circuit ground patrol officer is timely, accurate inquiry judging has lightning stroke trip failure shaft tower, operating accuracy and efficiency is promoted, so as to energy
The defect hidden danger that lightning stroke trip generates is eliminated in time, and the availability of promotion ± 500kV DC power transmission lines improves the effect of O＆M
Rate ensures transmission line safety stable operation.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model embodiment；
Fig. 2 is the structural schematic diagram of the utility model embodiment identification instruction component.
Reference numeral meaning in figure：1, transmission tower；2, guide line；3, enter land mine electric current detecting coil；4, mutual inductor；
5, identification instruction component；51, relay；52, power module；53, relay switch is controlled；54, light emitting diode.
Specific implementation mode
The content of the utility model is described in further details with reference to the accompanying drawings and detailed description.
Embodiment
Refering to fig. 1 and Fig. 2, it is a kind of DC power transmission line lightning stroke trip failure shaft tower quick search device, with power transmission rod
The down conductor of tower 1 connects, including guide line 2, enter land mine electric current detecting coil 3, mutual inductor 4 and identification instruction component 5；
2 one end of guide line is connected with down conductor, and the other end is connected and is grounded after land mine electric current detecting coil 3；Mutual inductor 4 is pacified
Mounted in the side opposite with land mine electric current detecting coil 3 is entered, identification instruction component 5 is connected on mutual inductor 4；Identify key group
Part 5 includes light emitting diode 54, control relay switch 53, the relay 51 being connected with mutual inductor 4 and is used to be relay
51 and light emitting diode 54 power power module 52, after 54 parallel connection of relay 51 and light emitting diode with 52 phase of power module
It connects, control relay switch 53 is arranged in the circuit for controlling the conducting of light emitting diode 54 or being closed.
Lightning current is flowed through by entering land mine electric current detecting coil 3, the inflow the earth of guide line 2 into land mine electric current detecting coil 3
Lightning current induce electric current on mutual inductor 4, when induced current is more than 51 setting valve of relay so that control is after establishing by cable
53 are closed to be closed, identification instruction component 5 is in channel status, and light emitting diode 54 is connected and shines, so that patrol officer
Quick search identifies lightning stroke trip failure shaft tower.
It is Current Mutual Inductance coil 4 to enter land mine electric current detecting coil 3 and mutual inductor 4.
Relay 51 is electric current relay 51.
When ± 500kV DC transmission lines line pole tower is by lightning stroke flashover, lightning current flows to column foot and guide line by tower top
2, and by 1 down conductor of transmission tower and enter the inflow the earth of land mine electric current detecting coil 3 respectively.According to electromagnetic induction original
Reason, the lightning current for flowing through land mine electric current detecting coil 3 induces certain electric current on mutual inductor 4, when induced electricity flow valuve
When more than 51 setting valve of electric current relay, electric current relay 51 acts and relay switch is made to go to normally off by normally open,
Identification instruction device is in channel status at this time, and light emitting diode 54 is connected and shines.When ground staff's line data-logging, can lead to
Cross the position observed diode institute's isolychn and timely and effectively judge lightning stroke trip failure shaft tower.
Above-listed detailed description is illustrating for the utility model possible embodiments, which is not to limit
The scope of the claims of the utility model, all equivalence enforcements or change without departing from carried out by the utility model are intended to be limited solely by this case
In the scope of the claims.
Claims (3)
1. DC power transmission line lightning stroke trip failure shaft tower quick search device, connects with the down conductor of transmission tower,
It is characterized in that：Including guide line, enter land mine electric current detecting coil, mutual inductor and identification instruction component；Described guide line one end
It is connected with the down conductor, the other end is connected and is grounded after land mine electric current detecting coil；The mutual inductor is mounted on
With it is described enter the opposite side of land mine electric current detecting coil, the identification instruction component is connected on the mutual inductor；It is described
Identification instruction component include light emitting diode, control relay switch, the relay that is connected with the mutual inductor and for for
The power module of the relay and light emitting diode power supply, after the relay and the light emitting diode parallel connection with institute
It states power module to connect, the control relay switch is arranged in the circuit for controlling the LEDs ON or closure
On.
2. DC power transmission line lightning stroke trip failure shaft tower quick search device according to claim 1, it is characterised in that：
It is described enter land mine electric current detecting coil and mutual inductor be Current Mutual Inductance coil.
3. DC power transmission line lightning stroke trip failure shaft tower quick search device according to claim 1, it is characterised in that：
The relay is electric current relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721520939.6U CN207623449U (en) | 2017-11-14 | 2017-11-14 | DC power transmission line lightning stroke trip failure shaft tower quick search device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721520939.6U CN207623449U (en) | 2017-11-14 | 2017-11-14 | DC power transmission line lightning stroke trip failure shaft tower quick search device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207623449U true CN207623449U (en) | 2018-07-17 |
Family
ID=62828894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721520939.6U Active CN207623449U (en) | 2017-11-14 | 2017-11-14 | DC power transmission line lightning stroke trip failure shaft tower quick search device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207623449U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110865267A (en) * | 2019-12-03 | 2020-03-06 | 广东电网有限责任公司 | Evaluation method for shielding failure trip-out rate of 110kV power transmission line |
| CN110865268A (en) * | 2019-12-03 | 2020-03-06 | 广东电网有限责任公司 | Method for testing lightning trip-out rate of transmission tower in low-soil resistivity region |
| CN110865271A (en) * | 2019-12-03 | 2020-03-06 | 广东电网有限责任公司 | Lightning trip-out rate test method considering line soil resistivity differentiation |
| CN110865266A (en) * | 2019-12-03 | 2020-03-06 | 广东电网有限责任公司 | Lightning-resistant horizontal test method for power transmission line of cross-shaped grounding device |
| CN110865270A (en) * | 2019-12-03 | 2020-03-06 | 广东电网有限责任公司 | 220kV power transmission line counterattack trip-out rate test method under lightning stroke |
| CN110865265A (en) * | 2019-12-03 | 2020-03-06 | 广东电网有限责任公司 | Method for testing counterattack trip-out rate of power transmission line in mountain area |
| CN110865269A (en) * | 2019-12-03 | 2020-03-06 | 广东电网有限责任公司 | Power transmission line shielding failure trip rate evaluation method based on particle swarm optimization |
| CN110907773A (en) * | 2019-12-03 | 2020-03-24 | 广东电网有限责任公司 | Lightning-resistant level evaluation method for lightning-strike power transmission line in high-soil-resistivity area |
-
2017
- 2017-11-14 CN CN201721520939.6U patent/CN207623449U/en active Active
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110865267A (en) * | 2019-12-03 | 2020-03-06 | 广东电网有限责任公司 | Evaluation method for shielding failure trip-out rate of 110kV power transmission line |
| CN110865268A (en) * | 2019-12-03 | 2020-03-06 | 广东电网有限责任公司 | Method for testing lightning trip-out rate of transmission tower in low-soil resistivity region |
| CN110865271A (en) * | 2019-12-03 | 2020-03-06 | 广东电网有限责任公司 | Lightning trip-out rate test method considering line soil resistivity differentiation |
| CN110865266A (en) * | 2019-12-03 | 2020-03-06 | 广东电网有限责任公司 | Lightning-resistant horizontal test method for power transmission line of cross-shaped grounding device |
| CN110865270A (en) * | 2019-12-03 | 2020-03-06 | 广东电网有限责任公司 | 220kV power transmission line counterattack trip-out rate test method under lightning stroke |
| CN110865265A (en) * | 2019-12-03 | 2020-03-06 | 广东电网有限责任公司 | Method for testing counterattack trip-out rate of power transmission line in mountain area |
| CN110865269A (en) * | 2019-12-03 | 2020-03-06 | 广东电网有限责任公司 | Power transmission line shielding failure trip rate evaluation method based on particle swarm optimization |
| CN110907773A (en) * | 2019-12-03 | 2020-03-24 | 广东电网有限责任公司 | Lightning-resistant level evaluation method for lightning-strike power transmission line in high-soil-resistivity area |
| CN110865271B (en) * | 2019-12-03 | 2021-07-13 | 广东电网有限责任公司 | Lightning trip-out rate test method considering line soil resistivity differentiation |
| CN110865266B (en) * | 2019-12-03 | 2021-07-13 | 广东电网有限责任公司 | Lightning-resistant horizontal test method for power transmission line of cross-shaped grounding device |
| CN110865270B (en) * | 2019-12-03 | 2021-07-13 | 广东电网有限责任公司 | 220kV power transmission line counterattack trip-out rate test method under lightning stroke |
| CN110865269B (en) * | 2019-12-03 | 2021-07-13 | 广东电网有限责任公司 | Power transmission line shielding failure trip rate evaluation method based on particle swarm optimization |
| CN110865265B (en) * | 2019-12-03 | 2021-07-13 | 广东电网有限责任公司 | Method for testing counterattack trip-out rate of power transmission line in mountain area |
| CN110907773B (en) * | 2019-12-03 | 2021-07-13 | 广东电网有限责任公司 | Lightning-resistant level evaluation method for lightning-strike power transmission line in high-soil-resistivity area |
| CN110865267B (en) * | 2019-12-03 | 2021-07-13 | 广东电网有限责任公司 | Evaluation method for shielding failure trip-out rate of 110kV power transmission line |
| CN110865268B (en) * | 2019-12-03 | 2021-07-13 | 广东电网有限责任公司 | Method for testing lightning trip-out rate of transmission tower in low-soil resistivity region |
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