CN114779005A - Lightning point positioning method for power distribution network - Google Patents
Lightning point positioning method for power distribution network Download PDFInfo
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- CN114779005A CN114779005A CN202210401714.8A CN202210401714A CN114779005A CN 114779005 A CN114779005 A CN 114779005A CN 202210401714 A CN202210401714 A CN 202210401714A CN 114779005 A CN114779005 A CN 114779005A
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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
- G01R31/086—Locating faults in cables, transmission lines, or networks according to type of conductors in power transmission or distribution networks, i.e. with interconnected conductors
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Abstract
The invention discloses a method for positioning lightning points of a power distribution network, which comprises the following steps: s1, positioning a lightning stroke point, and designing and coding each lightning monitoring device in a coding and identifying mode; s2, corresponding the codes to the numbers of the towers one by one; s3, in the lightning strike point positioning process, when the lightning monitoring device monitors the lightning strike current, the monitoring device acts; s4, sending the lightning stroke information and the device code to the monitoring software through a wireless communication network in the wireless communication device; and S5, monitoring the software according to the received codes. According to the invention, through the arrangement of the corresponding mechanism on the wireless communication device, the phenomenon of continuous accumulation of heat in the wireless communication device is avoided, the damage to the wireless communication device is reduced, the service life of the wireless communication device is prolonged, the operation efficiency of the wireless communication device is improved, the maintenance cost of the wireless communication device is reduced, and the influence on the positioning of the lightning points of the power distribution network is avoided.
Description
Technical Field
The invention belongs to the technical field of power distribution networks, and particularly relates to a lightning point positioning method for a power distribution network.
Background
With the increasing of the urban scale, the safe operation of the distribution network equipment is directly related to the reliability of the power supply of the urban power grid, and the power transmission line of the distribution network has lower voltage resistance level, the breakdown grounding fault is easy to occur under the action of direct lightning and inductive lightning, the occurrence of tripping power failure accidents is caused, the main accident types of the power distribution network are now provided, flashover of a distribution line in the lightning stroke process is not obvious because of small energy, particularly single-phase grounding faults are not obvious in traces formed in the flashover process, and great difficulty is brought to inspection personnel for quickly inquiring and repairing fault points, meanwhile, the operation state of the insulator of the distribution line cannot be mastered, so that the defective insulator cannot be replaced in time, potential safety hazards are brought to the reliable operation of the distribution network, therefore, the problem that the lightning strike point positioning device is required to be solved urgently when the power distribution network runs safely is solved.
Based on the problem that lightning stroke points of the distribution lines are difficult to locate, the lightning current releasing process of fault points is combined, the mode of a coupling coil is adopted, the lightning current in the grounding process is monitored by utilizing a high-frequency current sensor, monitored data are uploaded to monitoring software through a 4G network, and the lightning stroke points are accurately located by combining the addresses of sensors of all monitoring points.
For better to the thunder and lightning point fix a position, need use wireless communication network (GPRS) to send monitoring software with the code of thunderbolt information and device, but current wireless communication device does not have a mechanism that can dispel the heat fast, the heat of wireless communication device operation can continuously be piled up, can cause the damage to wireless communication device, wireless communication device's life has been reduced, wireless communication device's overheated operation simultaneously, still can lead to wireless communication device's operating efficiency to reduce, maintenance cost also can corresponding increase, danger such as conflagration can be aroused even seriously, influence the normal positioning of distribution network thunder and lightning point, cause user's loss.
Therefore, in order to solve the above technical problems, it is necessary to provide a method for locating lightning points of a power distribution network.
Disclosure of Invention
The invention aims to provide a method for positioning lightning points of a power distribution network, which aims to solve the problems that the wireless communication device is poor in heat dissipation effect, the wireless communication device is damaged, and the normal positioning of the lightning points of the power distribution network is influenced.
In order to achieve the above object, an embodiment of the present invention provides the following technical solutions:
a lightning point positioning method for a power distribution network comprises the following steps:
s1, positioning a lightning stroke point, and designing and coding each lightning monitoring device in a coding and identifying mode;
s2, the codes correspond to the numbers of the towers one by one;
s3, in the lightning strike point positioning process, when the lightning monitoring device monitors the lightning strike current, the monitoring device acts;
s4, transmitting the lightning stroke information and the device code to the monitoring software through a wireless communication network (GPRS) in the wireless communication device;
and S5, the monitoring software corresponds to the pole tower number in a query mode according to the received codes, and the lightning strike point is positioned.
Further, the wireless communication apparatus in S4 includes: the device comprises a communication device body, a gaseous cooling mechanism, an exhaust mechanism, a flat pressing mechanism and a pair of circulating cooling mechanisms;
a gaseous cooling mechanism is arranged outside the communication device body and comprises a cooling bin, a ventilation film is connected between the cooling bin and the communication device body, and cooling liquid is arranged in the cooling bin;
the cooling bin is connected with an air exhaust mechanism for exhausting air in the cooling bin;
the two sides of the cooling bin are both connected with circulating cooling mechanisms for improving the using effect of the gaseous cooling mechanism;
and a circulating cooling mechanism is arranged in the cooling bin and used for guaranteeing the using effect of the ventilation film.
Furthermore, the lower side of the ventilation membrane is connected with a supporting net which can support the ventilation membrane without influencing the normal ventilation of the ventilation membrane, so that the stability of the ventilation membrane is improved, and the probability of damage of the ventilation membrane is reduced;
one side of the cooling bin is connected with an observation mirror, so that a user can conveniently observe the using amount of the cooling liquid, and the cooling liquid can be timely supplemented;
the cooling bin is provided with a mounting groove matched with the observation mirror, so that the stability of the observation mirror is improved, and the probability that the observation mirror is separated from the cooling bin is reduced.
Furthermore, the exhaust mechanism comprises an exhaust pipeline, a corresponding outlet is provided for air carrying heat in the cooling bin, and meanwhile, the installation of a drainage pipeline and the motor is facilitated;
the exhaust pipeline is externally connected with a drainage pipeline, gasified cooling liquid blocked by the water blocking tank enters the drainage pipeline and flows back to the cooling bin through the drainage pipeline again, and waste of the cooling liquid is reduced;
the exhaust pipeline and the drainage pipeline are connected with moisture absorption sponges, so that cooling liquid can be absorbed, the discharge of the cooling liquid is reduced, and the service life of the cooling liquid is longer;
the exhaust duct is internally connected with a motor which can drive the electric shaft to rotate, so that the electric shaft can drive the fan to rotate.
Further, be connected with electronic axle on the motor, can drive the rotation of fan, make the fan can follow the cooling bin in the extraction air, make the air current can carry away the heat at the cooling bin inner loop, electronic epaxial being connected with a plurality of fans, electronic axle runs through the setting of moisture absorption sponge.
Furthermore, a plurality of water blocking grooves which are uniformly distributed are connected in the exhaust pipeline, so that the cooling liquid can be blocked, and the loss of the cooling liquid is reduced;
the exhaust pipeline is provided with a water blocking groove matched with the water blocking groove in a chiseled mode, and cooling liquid blocked by the water blocking groove can enter the drainage pipeline through the water blocking groove.
Furthermore, the circulating cooling mechanism comprises a circulating bin, so that the cooling plate and the dustproof net are convenient to mount, and a corresponding space is provided for cooling the cooling liquid;
the cooling plate is connected in the circulating bin, can cool the cooling plate, and can form a cooling cavity with the circulating bin;
the circulating bin is connected with a dust screen which can protect the fins, reduce the attachment of dust to the fins and enable the heat dissipation effect of the fins to be stronger;
one side of the cooling plate close to the dust screen is connected with a plurality of fins, so that the cooling of the cooling plate can be assisted, and the heat exchange speed of the cooling plate is increased.
Furthermore, one side of the cooling plate, which is far away from the fins, is connected with a plurality of cooling rods, so that the cooling plate can be assisted to cool gasified cooling liquid, and the cooling speed of the cooling liquid is increased;
the circulating bin is connected with a rotating shaft, so that the opening and closing door can rotate conveniently, and the opening and closing door can rotate more controllably.
Furthermore, an opening and closing door is arranged outside the rotating shaft, so that the discharge of liquefied cooling liquid in the circulating bin can be reduced, and the opening and closing door is opened after enough cooling liquid is used in the circulating bin;
a rotary spring is connected between the rotating shaft and the opening and closing door, and the opening and closing door can rotate through the rotary spring after being opened, so that the stability of the opening and closing door is improved;
and a magnet is connected between the opening and closing door and the circulating bin, so that the rotating probability of the opening and closing door is reduced, and the opening and closing door can be attracted.
Furthermore, the flat pressing mechanism comprises a flat pressing pipeline, when the exhaust mechanism extracts excessive heat in the cooling bin, the ventilation membrane is easy to be damaged by negative pressure, the flat pressing pipeline can be communicated with the spaces at the upper side and the lower side of the ventilation membrane, the negative pressure at the two sides can be balanced when the negative pressure of the ventilation membrane is excessive, and the flat pressing pipeline penetrates through the ventilation membrane and the supporting net;
the flat pressure pipeline is internally connected with a plurality of pressure plates, and when the air pressure at one side of each pressure plate is lower, the pressure plates can be opened, so that the air pressure in the spaces at two sides of the ventilation membrane can be balanced.
Compared with the prior art, the invention has the following advantages:
according to the invention, through the arrangement of the corresponding mechanism on the wireless communication device, the phenomenon of continuous accumulation of heat in the wireless communication device is avoided, the damage to the wireless communication device is reduced, the service life of the wireless communication device is prolonged, the operation efficiency of the wireless communication device is improved, the maintenance cost of the wireless communication device is reduced, and the influence on the positioning of the lightning points of the power distribution network is avoided.
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 described in 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 front sectional view of a lightning point positioning method for a distribution network according to an embodiment of the present invention;
FIG. 2 is a schematic view of the structure at A in FIG. 1;
FIG. 3 is a schematic view of the structure at B in FIG. 1;
FIG. 4 is a schematic view of the structure at C in FIG. 1;
FIG. 5 is a cross-sectional side view of a lightning point location method for a distribution network according to an embodiment of the invention;
FIG. 6 is a schematic view of the structure shown at D in FIG. 5;
FIG. 7 is a schematic view of the structure at E in FIG. 5;
FIG. 8 is a perspective view of a method for locating lightning points in a distribution network according to an embodiment of the invention;
fig. 9 is a positioning flowchart of a method for positioning lightning points of a distribution network according to an embodiment of the present invention.
In the figure: 1. the device comprises a communication device body, 2 gaseous cooling mechanisms, 201 cooling bins, 202 ventilation membranes, 203 cooling liquid, 204 supporting nets, 205 observation mirrors, 3 exhaust mechanisms, 301 exhaust pipelines, 302 drainage pipelines, 303 drainage sponges, 304 motors, 305 electric shafts, 306 fans, 307 water blocking tanks, 4 circulating cooling mechanisms, 401 circulating bins, 402 cooling plates, 403 dust prevention nets, 404 fins, 405 cooling rods, 406 rotating shafts, 407 opening and closing doors, 408 rotating springs, 409 magnets, 5 flat pressing mechanisms, 501 flat pressing pipelines and 502 pressure sheets.
Detailed Description
The present invention will be described in detail below with reference to embodiments shown in the drawings. The embodiments are not intended to limit the present invention, and structural, methodological or functional changes made by those skilled in the art according to the embodiments are included in the scope of the present invention.
The invention discloses a method for positioning lightning points of a power distribution network, which is shown in a reference figure 1-figure 9 and comprises the following steps: the device comprises a communication device body 1, a gaseous cooling mechanism 2, an air exhaust mechanism 3, a flat pressing mechanism 5 and a pair of circulating cooling mechanisms 4.
Referring to fig. 1-2, the communication device body 1 is externally provided with a gaseous cooling mechanism 2, and the gaseous cooling mechanism 2 includes a cooling compartment 201, which provides a corresponding space for cooling the communication device body 1, and a corresponding container for receiving a cooling liquid 203.
Wherein, be connected with between cooling chamber 201 and the communication device body 1 and ventilate the membrane 202, can hinder the passing through of coolant liquid 203 to can be through gaseous, gaseous when passing through coolant liquid 203, can carry away the heat in the coolant liquid 203 to discharge through exhaust mechanism 3 or circulative cooling mechanism 4.
In addition, the cooling chamber 201 is provided with a cooling liquid 203, which can be in direct contact with the communication device body 1 to cool the communication device body 1.
Referring to fig. 1-2, the support net 204 is attached to the underside of the ventilation membrane 202, so as to support the ventilation membrane 202 without affecting the normal ventilation of the ventilation membrane 202, thereby improving the stability of the ventilation membrane 202 and reducing the possibility of damage to the ventilation membrane 202.
Wherein, one side of cooling chamber 201 is connected with observation mirror 205, has made things convenient for the user to the observation of coolant liquid 203 quantity, makes coolant liquid 203 can obtain timely replenishment.
In addition, the cooling bin 201 is provided with an installation groove matched with the observation mirror 205 in a chiseled mode, so that the stability of the observation mirror 205 is improved, and the probability that the observation mirror 205 is separated from the cooling bin 201 is reduced.
Referring to fig. 1-4, an air exhausting mechanism 3 is connected to the cooling chamber 201 for exhausting air in the cooling chamber 201, and the air exhausting mechanism 3 includes an air exhausting duct 301 for providing a corresponding outlet for air carrying heat in the cooling chamber 201, and at the same time, facilitating installation of a water exhausting duct 302 and a motor 304.
Wherein, the exhaust duct 301 is externally connected with a drainage duct 302, the gasified cooling liquid 203 blocked by the water blocking tank 307 enters the drainage duct 302 and flows back to the cooling bin 201 again through the drainage duct 302, and the waste of the cooling liquid 203 is reduced.
In addition, the exhaust pipeline 301 and the drainage pipeline 302 are connected with the moisture absorption sponge 303, so that the cooling liquid 203 can be absorbed, the discharge of the cooling liquid 203 is reduced, and the service life of the cooling liquid 203 is longer.
In addition, a motor 304 is connected to the exhaust duct 301 to rotate an electric shaft 305, so that the electric shaft 305 can rotate a fan 306.
Referring to fig. 1-4, an electric shaft 305 is connected to the motor 304, and can drive the fan 306 to rotate, so that the fan 306 can draw air from the cooling chamber 201, and the air flow can circulate in the cooling chamber 201 to carry away heat, the electric shaft 305 is connected to a plurality of fans 306, and the electric shaft 305 penetrates through the moisture absorption sponge 303.
Referring to fig. 1-4, a plurality of water blocking tanks 307 are uniformly distributed in the exhaust duct 301 to block the cooling liquid 203 and reduce the loss of the cooling liquid 203.
The exhaust duct 301 is drilled with a water blocking tank matching with the water blocking tank 307, and the cooling liquid 203 blocked by the water blocking tank 307 can enter the drainage duct 302 through the water blocking tank.
Referring to fig. 1-7, the cooling chamber 201 is connected with circulating cooling mechanisms 4 on both sides thereof for improving the use effect of the gaseous cooling mechanism 2, and the circulating cooling mechanisms 4 comprise a circulating chamber 401, which facilitates the installation of a cooling plate 402 and a dust screen 403 and provides a corresponding space for cooling the cooling liquid 203.
The cooling plate 402 is connected in the circulation bin 401, and can cool the cooling plate 402, and a cooling cavity can be formed between the cooling plate and the circulation bin 401.
In addition, the dust screen 403 is connected to the circulating bin 401, so that the fins 404 can be protected, the adhesion of dust to the fins 404 is reduced, and the heat dissipation effect of the fins 404 is stronger.
Optionally, a plurality of fins 404 are connected to one side of the cooling plate 402 close to the dust screen 403, so as to assist in cooling the cooling plate 402, and increase the heat exchange speed of the cooling plate 402.
Referring to fig. 1-7, cooling bars 405 are connected to a side of the cooling plate 402 away from the fins 404, which may assist the cooling plate 402 in cooling the vaporized cooling liquid 203, and increase the cooling speed of the cooling liquid 203.
Preferably, the circulating bin 401 is connected with a rotating shaft 406, so that the opening and closing door 407 can rotate conveniently, and the rotation of the opening and closing door 407 is more controllable.
Referring to fig. 1 to 7, the opening/closing door 407 is provided outside the rotating shaft 406, so that the discharge of the liquefied coolant 203 from the circulation tank 401 can be reduced, and the opening/closing door 407 is opened when sufficient coolant 203 is used in the circulation tank 401.
In addition, a rotating spring 408 is connected between the rotating shaft 406 and the opening and closing door 407, and the opening and closing door 407 can rotate through the rotating spring 408 after being opened, so that the stability of the opening and closing door 407 is improved.
In other words, the magnet 409 is connected between the opening/closing door 407 and the circulation chamber 401, so that the possibility of rotation of the opening/closing door 407 is reduced, and the opening/closing door 407 can be attracted.
Referring to fig. 1-7, a circulating cooling mechanism 4 is disposed in the cooling bin 201 for ensuring the use effect of the ventilation membrane 202, the flat pressing mechanism 5 includes a flat pressing pipeline 501, when the heat in the cooling bin 201 is too fast extracted by the exhaust mechanism 3, the ventilation membrane 202 is easily damaged by the negative pressure, the flat pressing pipeline 501 can communicate the spaces on the upper and lower sides of the ventilation membrane 202, the negative pressure on the two sides can be balanced when the negative pressure of the ventilation membrane 202 is too high, and the flat pressing pipeline 501 penetrates through the ventilation membrane 202 and the support net 204.
Wherein, a plurality of pressure plates 502 are connected in the flat pressing pipeline 501, and when the air pressure on one side of the pressure plate 502 is lower, the pressure plate is opened, so that the air pressure in the spaces on both sides of the ventilation membrane 202 can be balanced.
A lightning point positioning method for a power distribution network comprises the following steps:
s1, positioning a lightning stroke point, and designing and coding each lightning monitoring device in a coding and identifying mode;
s2, the codes correspond to the numbers of the towers one by one;
s3, in the lightning strike point positioning process, when the lightning monitoring device monitors the lightning strike current, the monitoring device acts;
s4, sending the lightning stroke information and the device code to the monitoring software through a wireless communication network (GPRS) in the wireless communication device;
and S5, the monitoring software corresponds to the pole tower number in a query mode according to the received codes, and the lightning strike point is positioned.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. A method for positioning lightning points of a power distribution network is characterized by comprising the following steps:
s1, positioning a lightning stroke point, and designing and coding each lightning monitoring device in a coding and identifying mode;
s2, the codes correspond to the numbers of the towers one by one;
s3, in the lightning strike point positioning process, when the lightning monitoring device monitors the lightning strike current, the monitoring device acts;
s4, transmitting the lightning stroke information and the device code to the monitoring software through a wireless communication network (GPRS) in the wireless communication device;
and S5, the monitoring software corresponds to the pole tower number in a query mode according to the received code, and the lightning strike point is positioned.
2. The method of claim 1, wherein the wireless communication device in S4 comprises:
a communication device body (1);
the gaseous cooling mechanism (2) is arranged outside the communication device body (1), the gaseous cooling mechanism (2) comprises a cooling bin (201), a ventilation film (202) is connected between the cooling bin (201) and the communication device body (1), and cooling liquid (203) is arranged in the cooling bin (201);
the air exhaust mechanism (3) is connected to the cooling bin (201) and is used for exhausting air in the cooling bin (201);
the pair of circulating cooling mechanisms (4) are connected to two sides of the cooling bin (201) and used for improving the using effect of the gaseous cooling mechanism (2);
and the flat pressing mechanism (5) is arranged in the cooling bin (201) and is used for ensuring the using effect of the ventilation film (202).
3. The lightning point positioning method for the power distribution network according to claim 1, wherein a support net (204) is connected to the lower side of the ventilation film (202), a viewing mirror (205) is connected to one side of the cooling chamber (201), and an installation groove matched with the viewing mirror (205) is drilled on the cooling chamber (201).
4. The lightning point positioning method for the power distribution network according to claim 1, wherein the exhaust mechanism (3) comprises an exhaust duct (301), a drainage duct (302) is connected outside the exhaust duct (301), moisture absorption sponges (303) are connected on the exhaust duct (301) and the drainage duct (302), and a motor (304) is connected inside the exhaust duct (301).
5. The lightning point positioning method for the power distribution network according to claim 1, wherein an electric shaft (305) is connected to the electric motor (304), a plurality of fans (306) are connected to the electric shaft (305), and the electric shaft (305) penetrates through the moisture absorption sponge (303).
6. The lightning point positioning method for the distribution network according to claim 4, characterized in that a plurality of water blocking slots (307) are uniformly distributed in the exhaust duct (301), and the water blocking slots matched with the water blocking slots (307) are drilled on the exhaust duct (301).
7. The lightning point positioning method for the power distribution network according to claim 1, wherein the circulating cooling mechanism (4) comprises a circulating bin (401), a cooling plate (402) is connected in the circulating bin (401), a dust screen (403) is connected on the circulating bin (401), and a plurality of fins (404) are connected to one side of the cooling plate (402) close to the dust screen (403).
8. The lightning point positioning method for the distribution network according to claim 1, wherein a plurality of cooling rods (405) are connected to the side of the cooling plate (402) far away from the fins (404), and a rotating shaft (406) is connected to the circulating bin (401).
9. The lightning point positioning method for the power distribution network according to claim 1, wherein an opening and closing door (407) is arranged outside the rotating shaft (406), a rotary spring (408) is connected between the rotating shaft (406) and the opening and closing door (407), and a magnet (409) is connected between the opening and closing door (407) and the circulating bin (401).
10. The lightning point positioning method for the power distribution network according to claim 1, wherein the flat pressing mechanism (5) comprises a flat pressing pipe (501), the flat pressing pipe (501) is arranged through the ventilation membrane (202) and the support net (204), and a plurality of pressure sheets (502) are connected in the flat pressing pipe (501).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210401714.8A CN114779005A (en) | 2022-04-18 | 2022-04-18 | Lightning point positioning method for power distribution network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210401714.8A CN114779005A (en) | 2022-04-18 | 2022-04-18 | Lightning point positioning method for power distribution network |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114779005A true CN114779005A (en) | 2022-07-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210401714.8A Pending CN114779005A (en) | 2022-04-18 | 2022-04-18 | Lightning point positioning method for power distribution network |
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| Country | Link |
|---|---|
| CN (1) | CN114779005A (en) |
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2022
- 2022-04-18 CN CN202210401714.8A patent/CN114779005A/en active Pending
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