CN112114225B - Self-ignition type fault source peeping positioning device - Google Patents
Self-ignition type fault source peeping positioning device Download PDFInfo
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- CN112114225B CN112114225B CN202010806966.XA CN202010806966A CN112114225B CN 112114225 B CN112114225 B CN 112114225B CN 202010806966 A CN202010806966 A CN 202010806966A CN 112114225 B CN112114225 B CN 112114225B
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- medicine box
- plate
- tower
- inflammable
- tablet
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/08—Locating faults in cables, transmission lines, or networks
- G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
- G01R31/083—Locating faults in cables, transmission lines, or networks according to type of conductors in cables, e.g. underground
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/52—Testing for short-circuits, leakage current or ground faults
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
- Y04S10/52—Outage or fault management, e.g. fault detection or location
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Locating Faults (AREA)
- Catching Or Destruction (AREA)
Abstract
The invention relates to a self-ignition type fault source peering positioning device which comprises iron tower angle iron, a medicine box and a connecting plate which are sequentially connected through bolts, wherein inflammable tablets are arranged in the medicine box, a notch is formed in the medicine box so that the inflammable tablets can be observed directly from the outer side, and through holes for the bolts to pass through are formed in the iron tower angle iron, the medicine box and the connecting plate; when the transmission line has single-phase short circuit due to wind damage, thunder, pollution flashover and bird damage faults, the potential difference electric arc is generated when a current channel formed inside the tower flows through the bolts of the grounding connecting plate of the tower foundation due to the discharge of the lead to the tower, and the inflammable tablets are ignited. When patrolling a faulted iron tower, a patrolling person can judge the position of the short-circuit fault by observing whether the tablet leaked outside the notch of the medicine box changes, thereby greatly reducing the occurrence of line fault patrolling omission, reducing the secondary rechecking rate and avoiding the full-line tower-climbing inspection caused by unknown reasons.
Description
Technical Field
The invention relates to the field of power line operation, in particular to a self-ignition type fault source peeping positioning device.
Background
Because the transmission lines are widely distributed and operate in the open air for a long time, the transmission lines are often influenced by the change of the surrounding environment and the nature, so that various faults can occur in the operation of the transmission lines. The line fault means that the line power supply is suddenly interrupted due to various reasons, the accident is only reflected quickly after the accident occurs, firstly, the accident point is found and the accident type is determined, the line fault inspection is not a tourist flower, is convenient and convenient, but can be followed by a certain rule, and a good fault inspection sequence is formed, so that unnecessary time waste can be reduced, and the fault point is not missed.
Classification of transmission line faults: 1. ice damage fault 2, wind damage fault 3, lightning fault 4, pollution flashover fault 5, external force fault 6, galloping fault 7, bird damage fault 8, and other faults.
The operation experience shows that in various short-circuit faults of a power system, a single-phase short circuit accounts for most of the short-circuit faults of the power system, namely 65% of the total short-circuit faults, the short-circuit faults have a common point, when the single-phase short circuit occurs in the wind damage faults, the lightning faults, the pollution flashover faults and the bird damage faults, no matter what reason the lead discharges electricity to the pole tower, the pole tower forms a current channel, and when leakage current flows through the foundation of the pole tower, the bolts of the grounding connecting plate slightly melt traces. The phenomenon is that when the leakage current of a lead flows through the pole tower (conductor) in the ground, a connecting hole of a grounding wire of the pole tower and a connecting plate bolt of a grounding downlead form a resistor node on the way, the current impedance of the resistor node forms potential difference to the ground current, when the current flows through the resistor node, the potential difference rises to form impact current to generate electric arc, the electric arc causes burn marks to be formed at the connecting hole of the grounding wire and the connecting plate of the grounding downlead, when the impact current discharge burn marks are obvious in effect, the position can be judged as a fault point through visual inspection, when the discharge amount of the impact current is small, the electric burn marks are very small and are often hidden in a tower body angle iron panel and the grounding connecting plate, and fault inspection personnel can hardly observe the electric burn marks visually, so that the condition of line fault inspection and omission of the fault point is caused.
The transmission line operation unit needs to arrange personnel to carry out fault inspection once for finding out a line fault point, a fault reason and a fault condition, and the fault inspection does not find the fault reason and needs to carry out whole-line tower inspection so as to supplement the defect of normal inspection on the ground. Modern electric power transmission system gradually rapidly develops to the direction of high voltage, big leap, large capacity, and transmission line strides greatly, and long distance's electric power transmission makes a transmission line shaft tower numerous, and climbing shaft tower patrols and looks like prior art, because the restriction of operation device condition, climbing error, the physical strength of climbing shaft tower operation personnel are not enough, directly endangers operation personnel's personal safety, is the great potential safety hazard of electric power system operation, maintenance operation.
Disclosure of Invention
The invention aims to solve the technical problem of providing a self-ignition type fault source peeping and positioning device, and solves the technical problem of line fault patrol and fault point omission caused by unobvious electric burn in the prior art.
The technical scheme adopted by the invention is as follows:
the utility model provides a positioner is peeld to from ignition formula fault source, its includes iron tower angle bar, medicine box and the connecting plate that connects gradually through the bolt, is equipped with easily fires the tablet in the medicine box, is equipped with the breach so that can directly observe easily fires the tablet from the outside on the medicine box, all is equipped with the through-hole that supplies the bolt to pass on iron tower angle bar, medicine box and the connecting plate.
Further, the medicine box includes left buckle and the right buckle of mutual lock, left side buckle package rubbing board body and setting are at the plate body outer annular bulge on edge, right side buckle and the cooperation of annular bulge form the space that is used for placing inflammable tablet about between the buckle.
Furthermore, a plurality of arc-shaped notches are formed in the outer edge of the left buckle plate.
Furthermore, the structure of the right buckle plate is the same as that of the left buckle plate and is arranged oppositely.
Furthermore, the arc-shaped notches are arranged in a circular array.
Furthermore, when the buckle is installed, the arc notches on the left buckle plate and the right buckle plate are arranged oppositely.
Further, the inner space of the medicine box is cylindrical.
Furthermore, a transparent PVC protective film is covered on the surface of the inflammable tablet by adopting a cold mounting technology.
Furthermore, a grounding down lead is connected to the connecting plate.
Furthermore, a nut is arranged on a screw rod of the bolt, and the iron tower angle iron, the medicine box and the connecting plate are fastened together through the nut.
The invention has the positive effects that:
when the single-phase short circuit occurs to a power transmission line due to wind damage, thunder, pollution flashover and bird damage, the potential difference electric arc is generated when a current channel formed inside the tower flows through the bolts of the grounding connection plate of the tower foundation due to the discharge of the lead to the tower, the inflammable tablets are ignited, and the inflammable tablets can be subjected to strong burning reaction under the action of the electric arc to burn out the tablets. When patrolling a faulted iron tower, a patrolling person can judge the position of the short-circuit fault by observing whether the tablet leaked outside the notch of the medicine box changes, thereby greatly reducing the occurrence of line fault patrolling omission, reducing the secondary rechecking rate and avoiding the whole-line tower climbing inspection caused by unknown reasons.
The invention has simple and compact structure, convenient and fast installation and high fault inspection efficiency, can improve the safety coefficient of line fault inspection work, reduces the labor intensity of workers and ensures safe production.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an exploded view of the structure of the present invention;
FIG. 3 is a schematic view of the structure of the left gusset plate of the present invention;
FIG. 4 is a schematic front view of the left gusset of the present invention;
FIG. 5 is a schematic view of a structure of a drug cassette according to the present invention;
fig. 6 is a schematic structural diagram of the angle iron of the iron tower of the present invention.
In the drawings, there is shown in the drawings,
1-a bolt;
2-iron tower angle iron;
3-a left buckle plate, 301-a plate body and 302-an annular bulge;
4-inflammable tablets;
5-right buckle plate;
6-a coupling plate;
7-a grounded down conductor;
8-a nut;
9-a through hole;
10-arc notch.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the application, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an", and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be discussed further in subsequent figures.
As shown in the attached drawings 1-6, the invention comprises an iron tower angle iron 2, a medicine box and a connecting plate 6 which are sequentially and tightly connected through a bolt 1 and a nut 8, wherein an inflammable tablet 4 is placed in the medicine box, a gap is formed on the medicine box so that the inflammable tablet 4 can be directly observed from the outer side, through holes 9 for the bolt to pass through are formed in the iron tower angle iron 2, the medicine box and the connecting plate 6, the bolt 1 sequentially passes through the through holes in the iron tower angle iron 2, the medicine box and the connecting plate 6, and then the other end of the screw is fastened through the nut. The connecting plate 6 is connected with a grounding down lead 7.
The medicine box is including mutual lock and the same left buckle 3 of structure and right buckle 5, left side buckle 3 is including plate body 301 and set up the annular arch 302 on plate body 301 outer edge, the space of right side buckle 5 and the cooperation of annular arch 302 between the buckle about is cylindrical, forms the space that is used for placing inflammable tablet 4. Evenly be equipped with a plurality of arc breach 10 on controlling the outer edge of buckle, arc breach 10 has 6 in this embodiment, and the buckle is plum blossom form about the messenger, and two buckles are in mutual lock, and the relative installation of arc breach forms a great breach, can directly observe the state that is located its inside inflammable tablet 4 from breach department, and the personnel of being convenient for patrol observe.
The combustible tablet 4 may be made of a material which is mechanically mixed with potassium nitrate, charcoal and sulfur (e.g., black powder), a burning agent caused by arc ignition, or a composition comprising various kinds of minerals: potassium nitrate, sulfur powder, and the like: the alloy material comprises titanium oxide more than or equal to 35 percent, ferromanganese, ferrotitanium wood powder, starch titanium dioxide, water glass and the like, and is filled with an alloy agent, an adhesive, a plasticizer, an elasticizer and the like. In summary, it is sufficient that combustible tablets 4 of the invention can be burnt under the action of an electric arc, without being constrained to a specific percentage between the individual components. The inflammable tablet is pressed into a wafer shape, and after the tablet is formed, a transparent PVC protective film is coated on the surface layer of the tablet by adopting a cold mounting technology, so that the tablet is prevented from being damaged, polluted or wetted, and the purpose of protecting the tablet is achieved.
The inflammable tablet of the invention can be further improved subsequently, in order to promote the performance of the leakage current potential difference electric arc ignition melting trace to be increased, the electric arc burning tablet is manufactured, when the leakage current flows through the tower foundation grounding connection plate bolt, the potential difference electric arc can cause the tablet to burn normally and stably. For this purpose, a substance having a low ionization potential is added to the tablet to improve the stability of arc combustion. The melting point of the arc pill is slightly lower than that of the arc (about 100-250 ℃), but because the pill is in the center of the arc and is at a higher temperature, when leakage current flows through it, the potential difference arc melts the metal edge first and the pill detonates slightly later. The transition of burning melting traces is facilitated, and the chemical composition of the tablet improves the melting trace efficiency.
In conclusion, the tablet has the function of ensuring that the potential difference electric arc can obviously show melting temperature when leakage current flows through the bolts of the grounding connecting plate of the tower foundation so as to obtain a temperature trace with a satisfactory chemical composition and ensure that the temperature of the burning melting trace has good trace performance.
By installing and using the invention, the braid identification rate of the fault location of the power transmission line is solved, the line fault patrol rate is enhanced, and the technical problem of missing fault points in line fault patrol in the prior art is effectively solved. Reduce shaft tower climbing normality rate, improve work efficiency, guarantee safety in production.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (3)
1. A self-ignition type peeps the locating device in fault source, characterized by that it includes iron tower angle iron (2), medicine box and tie-plate (6) connected sequentially through the bolt (1), there are flammable tablets (4) in the medicine box, there are gaps on the medicine box so as to be can observe the flammable tablet (4) directly from the outside, there are through holes (9) for the bolt to pass on iron tower angle iron (2), medicine box and tie-plate (6);
the medicine box comprises a left buckle plate (3) and a right buckle plate (5) which are mutually buckled, the left buckle plate (3) comprises a plate body (301) and an annular bulge (302) arranged on the outer edge of the plate body (301), and the right buckle plate (5) and the annular bulge (302) are matched between the left buckle plate (3) and the right buckle plate (5) to form a space for placing an inflammable tablet (4);
the outer edge of the left buckle plate (3) is provided with a plurality of arc-shaped notches (10);
the structure of the right pinch plate (5) is the same as that of the left pinch plate (3) and is arranged oppositely;
the number of the arc-shaped notches (10) is 6 in a circular array;
when the buckle is installed, the arc notches (10) on the left buckle plate (3) and the right buckle plate (5) are oppositely arranged;
the connecting plate (6) is connected with a grounding down lead (7);
the inner space of the medicine box is cylindrical.
2. The self-igniting type fault source peeping positioning device according to claim 1, characterized in that a transparent PVC protective film is covered on the surface of the inflammable tablet (4) by adopting a cold mounting technology.
3. The peeping positioning device according to claim 1, characterized in that a nut (8) is arranged on the screw of the bolt (1), and the iron tower angle iron (2), the medicine box and the connecting plate (6) are fastened together through the nut (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010806966.XA CN112114225B (en) | 2020-08-12 | 2020-08-12 | Self-ignition type fault source peeping positioning device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010806966.XA CN112114225B (en) | 2020-08-12 | 2020-08-12 | Self-ignition type fault source peeping positioning device |
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| Publication Number | Publication Date |
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| CN112114225A CN112114225A (en) | 2020-12-22 |
| CN112114225B true CN112114225B (en) | 2022-09-27 |
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| CN202010806966.XA Active CN112114225B (en) | 2020-08-12 | 2020-08-12 | Self-ignition type fault source peeping positioning device |
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Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204440748U (en) * | 2015-02-03 | 2015-07-01 | 王震宇 | A kind of primer charge ignition performance research experiment instrument |
| CN205646435U (en) * | 2016-05-04 | 2016-10-12 | 国网天津市电力公司 | Built on stilts insulated wire prevents lightning -caused breaking device based on electrode implosion formula |
| CN106124895B (en) * | 2016-06-28 | 2018-11-09 | 西安航天动力技术研究所 | A kind of solid engines electrostatic safety system safety testing device and method |
| CN108181551A (en) * | 2018-01-15 | 2018-06-19 | 国网山东省电力公司淄博供电公司 | Transmission line of electricity discharging fault localization method and monitoring device based on electric field mutation |
| CN109000819B (en) * | 2018-05-24 | 2021-01-08 | 国网湖北省电力有限公司电力科学研究院 | Temperature-sensing color-changing material and short-circuit damage indication method for distribution line lightning arrester |
| CN208349945U (en) * | 2018-06-16 | 2019-01-08 | 福建兵工装备有限公司 | Contactless CUMULATIVE BLASTING device |
| CN211238573U (en) * | 2019-12-24 | 2020-08-11 | 陕西渭南庆华化工有限公司 | High-temperature automatic-breaking separation plug |
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