CN205003210U - Novel appearance is instructed to transmission line shaft tower thunder and lightning - Google Patents
Novel appearance is instructed to transmission line shaft tower thunder and lightning Download PDFInfo
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- CN205003210U CN205003210U CN201520745397.7U CN201520745397U CN205003210U CN 205003210 U CN205003210 U CN 205003210U CN 201520745397 U CN201520745397 U CN 201520745397U CN 205003210 U CN205003210 U CN 205003210U
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Abstract
The utility model discloses a novel appearance is instructed to transmission line shaft tower thunder and lightning, including the heat -generating body, the heat -generating body including the insulating template that is equipped with the groove with lay in the heating resistor wire of inslot, to avoid heating resistor wire to lead to the fact the short circuit when laying heating resistor wire, heating resistor wire surface and insulating template upper surface cladding thermal adhesive layer, the last insulating layer that covers of thermal adhesive layer, insulating layer are equipped with the opening, and the temperature sensor with the thermal adhesive layer contact is installed to the opening part. This practical novel appearance is instructed to transmission line shaft tower thunder and lightning simple structure, low cost, simple process, stable performance concatenate it into between the transmission line shaft tower column foot and the lightning grounding body, can effectively take notes lightning current energy size, the thunderbolt condition that cooperation lightning current count arrester, aassessment shaft tower that can be more accurate were suffered.
Description
Technical field
The utility model belongs to electric power Lightning protection field, particularly relates to a kind of Novel power transmission overhead line structures thunder and lightning indicator.
Background technology
Thunderbolt shield subarea, according to area grade classification in thunderstorm day, can be divided into area with less lightning activities, area with more lightning activities, high minefield, strong minefield, should meet following requirement: (1) area with less lightning activities: annual thunderstorm day was in 20 days and following area; (2) area with more lightning activities: annual is greater than 20 days thunderstorm day, is no more than the area of 40 days; (3) high minefield: annual is greater than 40 days thunderstorm day, is no more than the area of 60 days; (4) strong minefield: the annual area of thunderstorm day more than more than 60 days.
In addition, have a long way to go between the amplitude of lightning current, energy, when electric system generation lightning fault, amplitude of lightning current focuses mostly at 10 ~ 200kA.According to the lightning current waveform that actual acquisition arrives, most amplitude of lightning current is all more than 20kA.Amplitude of lightning current fluctuation is very large, and often a transmission line of electricity span is very long, can through the area of multiple difference grade in thunderstorm day.This brings very large challenge to power system transmission line shaft tower lightning protection.
Now conventional leakage conductor part is with lightning current tally function, but effectively cannot make accurate recording to the amplitude of lightning current, energy, thus on the relation between the impact of power system transmission line and line tripping rate, difficulty is brought to research thunder and lightning.
Utility model content
For the deficiency that prior art exists, the utility model provides a kind of Novel power transmission overhead line structures thunder and lightning indicator that effectively can record lightning current energy size.
For solving the problems of the technologies described above, the utility model adopts following technical scheme:
A kind of Novel power transmission overhead line structures thunder and lightning indicator, comprising:
Heater, described heater comprises the insulation template being provided with groove and the heating resistance wire be layed in groove, will avoid causing short circuit between heating resistance wire when laying heating resistance wire; Heating resistance wire surface and the coated heat conduction glue-line of insulation template upper surface, heat conduction glue-line covers thermofin, and thermofin is provided with opening, and opening part is provided with the temperature sensor contacted with heat conduction glue-line.
As preferably, the groove that insulation template is provided with is some straight trough, the annular groove of some concentrics or spiral grooves of paralleling.
As preferably, insulation template is epoxy resins insulation template.
As preferably, heating resistance wire is nickel complexing golden hair hot water radiation wire, and diameter is 1mm ~ 4mm.
As preferably, heat conduction glue-line is thermal conductive silicon glue-line.
Above-mentioned thermofin is sheet insulation material layer, can be tinfoil, aerogel blanket, glass fabric or rubber and plastic heat-preservation cotton.
As preferably, temperature sensor is the bimetallic system cell being provided with not reset instruction, and reset instruction is not installed in bimetallic system cell dial plate, with bimetallic system cell pointer coaxially but do not reset.
Compared to the prior art, the utility model tool has the following advantages and beneficial effect:
The utility model electric power line pole tower thunder and lightning indicator structure is simple, with low cost, technique simple, stable performance, is connected in series between electric power line pole tower column foot and lightning-proof grounding body, effectively can records lightning current energy size; Coordinate lightning current counting lightning arrester, the thunderbolt situation that shaft tower suffers can be assessed more accurately.
Accompanying drawing explanation
Fig. 1 is insulation template vertical view;
Fig. 2 is insulation template side view;
Fig. 3 is that heating resistance wire arranges vertical view;
Fig. 4 is heat-conducting glue coating vertical view;
Fig. 5 is the utility model thunder and lightning indicator vertical view;
Fig. 6 is the utility model thunder and lightning indicator side view.
Wherein, 1-insulation template; 2-heating resistance wire; 3-heat conduction glue-line; 4-thermofin; 5-temperature sensor; 6-straight trough.
Embodiment
Be described in detail below in conjunction with the embodiment of accompanying drawing to technical solutions of the utility model.
Fig. 1 ~ 6 are a kind of embodiment of the present utility model.See that Fig. 1 is insulation template (1) vertical view, Fig. 2 is insulation template (1) side view, and some straight troughs (6) paralleled are established in insulation template (1), and groove depth is no more than 5mm.Insulation template is preferably epoxy resins insulation template.See Fig. 3, the heating resistance wire (2) of long 0.5 ~ 2m, diameter 1mm ~ 4mm is layed in straight trough (6), should ensure during laying that heating resistance wire does not contact with each other to each other and keeps certain distance, with the low impedance path preventing short circuit between heating resistance wire from causing.
See Fig. 4, after laying complete heating resistance wire (2), at its surface and insulation template upper surface coated with thermally conductive glue.Heat-conducting glue is preferably heat conductive silica gel.Heat conduction glue-line (3) is obtained after heat-conducting glue solidification, heat conduction glue-line (3) covers thermofin (4), sees Fig. 5, thermofin (4) adopts sheet heat-barrier material, such as, tinfoil, aerogel blanket, glass fabric or rubber and plastic heat-preservation cotton etc.Thermofin (4) upper shed is with mounting temperature sensor (5), temperature sensor (5) thermal contact conductance glue-line (3) but not contact heating resistance wire (2), to obtain heat conduction glue-line (3) temperature.
In concrete enforcement, temperature sensor (5) adopts bimetallic system cell.Because the pointer of bimetallic system cell can reset along with temperature variation, for ease of reading, install in bimetallic system cell dial plate with this pointer coaxially but the pointer do not resetted, i.e. not reset instruction, this maximum temperature that reset instruction is not indicated before can be used to indicate bimetallic system cell pointer to reset.
In the template that insulate in the utility model, the design of groove is not limited to the straight trough be parallel to each other, and also can be the annular groove or spiral groove etc. of some concentrics.
During use, heating resistance wire is connected in series between electric power line pole tower column foot and grounding body, to ensure that lightning current enters in ground process to be bound to flow through heating resistance wire through shaft tower.Now, as long as there is lightning current to enter ground through electric power line pole tower, when flowing through heating resistance wire, because Joule law heating resistance wire must generate heat, heat is delivered to temperature sensor by heat conduction glue-line, by not temperature indicated by reset instruction on temperature sensor, anti-plug-flow is through the lightning current energy of heating resistance wire.
Embodiment
See Fig. 6, insulation template (1) is epoxy resins insulation template, opens the straight trough (6) that 12 roads parallel, and flute length 10cm, wide 3mm, dark 0.2mm, heating resistance wire (2) is long 1.2m, the nichrome wire of diameter 2mm.Obtain Novel Lightning indicator by the arrangement shown in Fig. 3, adopt this Novel Lightning indicator overall electrical resistance about 0.4 Europe of four-electrode method microresistivity survey.
Illustrate this patent described in above-described embodiment; though be described by specific term in literary composition; but the protection domain of this patent can not be limited with this; the personage being familiar with this technical field can change it or revise and reach equivalent object after the spirit understanding this patent and principle; and this equivalence is changed and amendment, all should be covered by right and define in category.
Claims (8)
1. a Novel power transmission overhead line structures thunder and lightning indicator, is characterized in that, comprising:
Heater, described heater comprises the insulation template being provided with groove and the heating resistance wire be layed in groove, will avoid causing short circuit between heating resistance wire when laying heating resistance wire; Heating resistance wire surface and the coated heat conduction glue-line of insulation template upper surface, heat conduction glue-line covers thermofin, and thermofin is provided with opening, and opening part is provided with the temperature sensor contacted with heat conduction glue-line.
2. Novel power transmission overhead line structures thunder and lightning indicator as claimed in claim 1, is characterized in that:
In insulation template, set groove is some straight trough, the annular groove of some concentrics or spiral grooves of paralleling.
3. Novel power transmission overhead line structures thunder and lightning indicator as claimed in claim 1, is characterized in that:
Described insulation template is epoxy resins insulation template.
4. Novel power transmission overhead line structures thunder and lightning indicator as claimed in claim 1, is characterized in that:
Described heating resistance wire is nickel complexing golden hair hot water radiation wire, and diameter is 1mm ~ 4mm.
5. Novel power transmission overhead line structures thunder and lightning indicator as claimed in claim 1, is characterized in that:
Described heat conduction glue-line is thermal conductive silicon glue-line.
6. Novel power transmission overhead line structures thunder and lightning indicator as claimed in claim 1, is characterized in that:
Described thermofin is sheet insulation material layer.
7. Novel power transmission overhead line structures thunder and lightning indicator as claimed in claim 6, is characterized in that:
Described sheet insulation material layer is tinfoil, aerogel blanket, glass fabric or rubber and plastic heat-preservation cotton.
8. Novel power transmission overhead line structures thunder and lightning indicator as claimed in claim 1, is characterized in that:
Described temperature sensor is the bimetallic system cell being provided with not reset instruction, and reset instruction is not installed in bimetallic system cell dial plate, with bimetallic system cell pointer coaxially but do not reset.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520745397.7U CN205003210U (en) | 2015-09-24 | 2015-09-24 | Novel appearance is instructed to transmission line shaft tower thunder and lightning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520745397.7U CN205003210U (en) | 2015-09-24 | 2015-09-24 | Novel appearance is instructed to transmission line shaft tower thunder and lightning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205003210U true CN205003210U (en) | 2016-01-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520745397.7U Active CN205003210U (en) | 2015-09-24 | 2015-09-24 | Novel appearance is instructed to transmission line shaft tower thunder and lightning |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105092955A (en) * | 2015-09-24 | 2015-11-25 | 武汉大学 | Novel power transmission line tower lightning indicator, preparation method and application thereof |
| CN107892103A (en) * | 2017-11-09 | 2018-04-10 | 中国成达工程有限公司 | The preheating device of large-scale storage tank bottom plate |
-
2015
- 2015-09-24 CN CN201520745397.7U patent/CN205003210U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105092955A (en) * | 2015-09-24 | 2015-11-25 | 武汉大学 | Novel power transmission line tower lightning indicator, preparation method and application thereof |
| CN107892103A (en) * | 2017-11-09 | 2018-04-10 | 中国成达工程有限公司 | The preheating device of large-scale storage tank bottom plate |
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