CN112665757A - Metal gasket for high-temperature warning - Google Patents
Metal gasket for high-temperature warningDownload PDFInfo
- Publication number
- CN112665757A CN112665757ACN202011568554.3ACN202011568554ACN112665757ACN 112665757 ACN112665757 ACN 112665757ACN 202011568554 ACN202011568554 ACN 202011568554ACN 112665757 ACN112665757 ACN 112665757A
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- Prior art keywords
- gasket
- metal
- temperature warning
- high temperature
- connection part
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- 229910052751metalInorganic materials0.000titleclaimsabstractdescription74
- 239000002184metalSubstances0.000titleclaimsabstractdescription74
- 229910001285shape-memory alloyInorganic materials0.000claimsabstractdescription16
- 229910001000nickel titaniumInorganic materials0.000claimsdescription10
- 239000000956alloySubstances0.000claimsdescription6
- RYGMFSIKBFXOCR-UHFFFAOYSA-NCopperChemical compound[Cu]RYGMFSIKBFXOCR-UHFFFAOYSA-N0.000claimsdescription5
- 229910052802copperInorganic materials0.000claimsdescription5
- 239000010949copperSubstances0.000claimsdescription5
- HLXZNVUGXRDIFK-UHFFFAOYSA-Nnickel titaniumChemical compound[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni]HLXZNVUGXRDIFK-UHFFFAOYSA-N0.000claims1
- 238000012423maintenanceMethods0.000abstractdescription31
- 230000007547defectEffects0.000abstractdescription2
- 238000007689inspectionMethods0.000abstractdescription2
- 238000005452bendingMethods0.000description7
- 238000010586diagramMethods0.000description7
- 238000000034methodMethods0.000description7
- 230000009471actionEffects0.000description6
- 238000013021overheatingMethods0.000description6
- 230000008569processEffects0.000description6
- 238000012545processingMethods0.000description5
- 238000009434installationMethods0.000description4
- 230000007423decreaseEffects0.000description2
- 238000010438heat treatmentMethods0.000description2
- 229910000734martensiteInorganic materials0.000description2
- 230000004048modificationEffects0.000description2
- 238000012986modificationMethods0.000description2
- 230000009286beneficial effectEffects0.000description1
- 230000033228biological regulationEffects0.000description1
- 230000006870functionEffects0.000description1
- 230000006872improvementEffects0.000description1
- 239000000155meltSubstances0.000description1
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Abstract
Description
Technical Field
The invention relates to the field of auxiliary devices of power equipment, in particular to a metal gasket for high-temperature warning.
Background
According to the operation regulations of equipment in the power industry, attention needs to be paid and a maintenance plan needs to be arranged when the temperature of a connecting part of the line equipment reaches more than 90 ℃. At present, when outdoor overhead lines are patrolled in daily operation and maintenance of the power industry, the heating condition of a metal connecting part needs to be concerned, an infrared observation instrument is used in an adopted method, and the problems that equipment is expensive, operation efficiency is low, a large amount of labor cost is needed, the size is large, carrying is inconvenient and the like exist in operation and maintenance operation.
Publication No. CN209745426U (published: 2019-12-06) proposes an overheat indicator for a distribution line node, in which a wax layer is disposed on the indicator, and when an overheat occurs in an electrical connection component, the wax layer on the top layer of the indicator melts and displays a warning diagram, so as to implement an overheat indication function. However, the above devices have the problems of short service life and incapability of being reused, and tens of millions of electrical connection parts of the overhead power line are required, so that when the electrical connection parts of the line are overheated, the indicating devices at corresponding positions need to be replaced, and the problems of low operation efficiency and large labor cost are still caused.
Disclosure of Invention
The invention provides a metal gasket for high-temperature warning, aiming at overcoming the defects of low operation efficiency and large labor cost of daily operation and maintenance inspection of outdoor overhead lines in the power industry in the prior art.
In order to solve the technical problems, the technical scheme of the invention is as follows:
a metal gasket for high-temperature warning comprises a gasket made of memory alloy, wherein the middle part of the gasket is a bent part, and two sides of the bent part are inwards recessed; the gasket is provided with a mounting hole and is arranged on the electrical connection part of the overhead power line through a bolt.
In the use, when the electric connection position of electric power overhead line generates heat and reaches the deformation temperature of gasket, deformation takes place for the electric connection position of the electric power overhead line of warning electric power fortune dimension personnel relevant position is overheated, needs further maintenance. After the maintenance is finished, the gasket is processed to be in an original state through external force and can be reused.
Preferably, the metal gasket further comprises a metal sheet, and one end of the metal sheet is fixedly connected with one end of the gasket.
Preferably, the metal sheet is sleeved with an insulating heat-shrinkable sleeve.
Preferably, an indication pattern is arranged on the insulating heat-shrinkable sleeve.
Preferably, the gasket is made of nickel-titanium alloy.
Preferably, the gasket is a combination of nickel-titanium alloy and copper sheets.
Preferably, the deformation temperature of the gasket is 80-100 ℃.
Preferably, the gasket comprises a first gasket and a second gasket, the first gasket is made of a memory alloy material with low deformation temperature, and the second gasket is made of a memory alloy material with high deformation temperature; the first gasket is stacked above the second gasket, and the mounting holes formed in the first gasket and the second gasket are arranged in a superposition mode.
Preferably, the bent part of the gasket is hot-processed into a flat sheet structure; when the gasket is installed at normal temperature, the bent part of the gasket is processed to be bent through external force, and when the electric connection part of the power overhead line generates heat and reaches the deformation temperature of the gasket, the gasket deforms and recovers to a flat sheet structure.
As a preferred scheme, the bent part of the gasket is subjected to hot processing to form a 90-degree bent structure; when the gasket is installed at normal temperature, the bent part of the gasket is processed to be a flat sheet structure through external force, and when the electric connection part of the overhead power line generates heat and reaches the deformation temperature of the gasket, the gasket deforms and restores to a 90-degree bending structure.
Compared with the prior art, the technical scheme of the invention has the beneficial effects that: the gasket made of memory alloy is adopted to sense the temperature of the electric connection part of the overhead power line, when the electric connection part is heated to a certain temperature, the metal gasket connected with the electric connection part is heated and deforms, and an operation and maintenance worker can judge whether the metal gasket deforms or not through naked eyes so as to judge whether the overhead power line needs to be overhauled or not; the gasket made of the memory alloy can adjust the structure of the gasket at normal temperature, and the metal gasket can be repeatedly deformed for more than 1000 times, so that the requirements of electric power operation and maintenance operation are met, and the gasket can be repeatedly used for multiple times.
Drawings
Fig. 1 is a schematic structural diagram of a metal gasket for high temperature warning inembodiment 1.
Fig. 2 is a schematic structural diagram of a metal gasket for high temperature warning inembodiment 2.
Fig. 3 is a schematic structural diagram of a metal gasket for high temperature warning according toembodiment 3.
Fig. 4 is a rear view of the metal gasket for high temperature warning ofembodiment 3.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the patent;
for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product;
it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The technical solution of the present invention is further described below with reference to the accompanying drawings and examples.
Example 1
The present embodiment provides a metal gasket for high temperature warning, which is a schematic structural diagram of the metal gasket for high temperature warning of the present embodiment as shown in fig. 1.
The metal gasket for high-temperature warning provided by the embodiment comprises agasket 1 made of memory alloy, wherein the middle part of thegasket 1 is abent part 101, and two sides of thebent part 101 are inwards recessed; thegasket 1 is provided with amounting hole 2, and thegasket 1 is arranged on an electrical connection part of the overhead power line through a bolt.
In this embodiment, thegasket 1 is made of nickel-titanium alloy, or a combination of nickel-titanium alloy and copper sheet.
In this example, the deformation temperature of thegasket 1 was 90 ℃.
In the specific implementation process, thebent part 101 of thegasket 1 is hot-processed into a flat sheet structure, then the metal gasket is installed and placed at the electric connection part of the overhead power line at normal temperature, a bolt is adopted to install and fix the metal gasket through theinstallation hole 2 formed in thegasket 1, and then thebent part 101 of thegasket 1 is processed to one end of thegasket 1 through external force and is vertically arranged at the electric connection part at 90 degrees;
when the electric connection part of the overhead power line generates heat and reaches 90 ℃, thebent part 101 of thegasket 1 is heated and deformed, and thebent part 101 of thegasket 1 is restored to a flat sheet structure. The operation and maintenance personnel can judge whether the current electrical connection part is overheated and arrange a maintenance plan according to the structural state of the metal gasket arranged on the electrical connection part of the overhead power line.
In another specific implementation process, thebent part 101 of thegasket 1 is hot-processed into a 90-degree bent structure, then the metal gasket is installed and placed at an electrical connection part of the overhead power line at normal temperature, a bolt is adopted to install and fix the metal gasket through theinstallation hole 2 formed in thegasket 1, and then thebent part 101 of thegasket 1 is processed by external force until thegasket 1 is of a flat sheet structure and is horizontally arranged at the electrical connection part;
when the electric connection part of the power overhead line generates heat and reaches 90 ℃, thebending part 101 of thegasket 1 is heated and deformed, and thebending part 101 of thegasket 1 is restored to a 90-degree bending structure and is erected on the electric connection part. The operation and maintenance personnel can judge whether the current electrical connection part is overheated and arrange a maintenance plan according to the structural state of the metal gasket arranged on the electrical connection part of the overhead power line.
After the maintenance is finished, after the temperature of the electric connection part of the overhead power line is reduced, thebent part 101 of thegasket 1 is vertically arranged at the electric connection part through external force processing to 90 degrees at one end of thegasket 1, or thebent part 101 of thegasket 1 is horizontally arranged at the electric connection part through external force processing to thegasket 1, so that the metal gasket can be repeatedly used.
In this embodiment, adoptgasket 1 made by memory alloy to respond to the temperature at electric power overhead line's electrical connection position, generate heat to the uniform temperature when the electrical connection position, be heated and take place deformation with its metal gasket who is connected the setting, fortune dimension personnel accessible naked eye judges whether metal gasket takes place deformation, and then judges whether this part electric power overhead line needs overhaul. Thegasket 1 made of the memory alloy can adjust the structure of the gasket at normal temperature, and the metal gasket can be repeatedly deformed for more than 1000 times, so that the requirements of electric power operation and maintenance operation are met, and the gasket can be repeatedly used for multiple times.
Example 2
The present embodiment provides a metal gasket for high temperature warning, which is a schematic structural diagram of the metal gasket for high temperature warning of the present embodiment as shown in fig. 2.
The metal gasket for high-temperature warning provided by the embodiment comprises agasket 1 made of memory alloy, wherein the middle part of thegasket 1 is abent part 101, and two sides of thebent part 101 are inwards recessed; thegasket 1 is provided with amounting hole 2, and thegasket 1 is arranged on an electrical connection part of the overhead power line through a bolt.
In this embodiment, thegasket 1 is made of nickel-titanium alloy, or a combination of nickel-titanium alloy and copper sheet.
In this example, the deformation temperature of thegasket 1 was 90 ℃.
Further, the metal gasket for high temperature warning in this embodiment further includes ametal sheet 3, and one end of themetal sheet 3 is fixedly connected to one end of thegasket 1.
Furthermore, an insulating heat-shrinkable sleeve 4 is sleeved on themetal sheet 3, so that operation and maintenance personnel can apply external force to the metal gasket to adjust the shape of the metal gasket conveniently; the insulating heat-shrinkable sleeve 4 is provided with an indication pattern for warning the overheating state of the electric connection part or distinguishing the martensite shape of the metal gasket.
In the specific implementation process, thebent part 101 of thegasket 1 is processed into a flat sheet structure through heat treatment, then the metal gasket is arranged at the electric connection part of the overhead power line at normal temperature, bolts are adopted to carry out installation and fixation through theinstallation holes 2 formed in thegasket 1, and then thegasket 1 is bent through the insulating heat-shrinkable sleeve 4, so that thebent part 101 is bent under the action of external force until the metal sheet is erected at the electric connection part at 3-90 degrees;
when the electric connection part of the overhead power line generates heat and reaches 90 ℃, thebent part 101 of thegasket 1 is heated and deformed, and thebent part 101 of thegasket 1 is restored to a flat sheet structure. The operation and maintenance personnel can judge whether the current electrical connection part is overheated and arrange a maintenance plan according to the structural state of the metal gasket arranged on the electrical connection part of the overhead power line.
In another specific implementation process, thebent part 101 of thegasket 1 is subjected to thermal processing to form a 90-degree bent structure, then the metal gasket is arranged at an electrical connection part of the overhead power line at normal temperature, bolts are adopted to be fixedly arranged through themounting holes 2 formed in thegasket 1, and then thegasket 1 is bent through the insulating heat-shrinkable sleeve 4, so that thebent part 101 is deformed into a flat sheet structure under the action of external force and is horizontally arranged at the electrical connection part;
when the electric connection part of the power overhead line generates heat and reaches 90 ℃, thebending part 101 of thegasket 1 is heated and deformed, and thebending part 101 of thegasket 1 is restored to a 90-degree bending structure and is erected on the electric connection part. The operation and maintenance personnel can judge whether the current electrical connection part is overheated and arrange a maintenance plan according to the structural state of the metal gasket arranged on the electrical connection part of the overhead power line.
After the completion is overhauled, treat electric power overhead line's electric connection position temperature decline back, buckle gasket 1 through insulating pyrocondensationexternal member 4 once more, make itskink 101 buckle to thesheetmetal 3 to 90 erects in the electric connection position setting under the exogenic action, or buckle gasket 1 through insulating pyrocondensationexternal member 4, make itskink 101 deformation under the exogenic action for flat sheet structure and level set up in the electric connection position, can realize metal gasket's used repeatedly.
Example 3
The present embodiment provides a metal gasket for high temperature warning, which is a schematic structural diagram of the metal gasket for high temperature warning of the present embodiment, as shown in fig. 3 to 4.
The metal gasket for high-temperature warning provided by the embodiment comprises agasket 1 made of memory alloy, wherein the middle part of thegasket 1 is abent part 101, and two sides of thebent part 101 are inwards recessed; thegasket 1 is provided with a mountinghole 2, and thegasket 1 is arranged on an electrical connection part of the overhead power line through a bolt.
In this embodiment, thegasket 1 is made of nickel-titanium alloy, or a combination of nickel-titanium alloy and copper sheet.
In this embodiment, one end of themetal sheet 3 is fixedly connected to one end of thegasket 1.
In this embodiment, themetal sheet 3 is sleeved with an insulatingthermal shrinkage sleeve 4, and the insulatingthermal shrinkage sleeve 4 is provided with an indication pattern for warning an overheating state of an electrical connection part or for distinguishing a martensite shape of the metal gasket.
Further, thegasket 1 in this embodiment includes afirst gasket 11 and asecond gasket 12, where thefirst gasket 11 is made of a memory alloy material with a deformation temperature of 80 ℃, and thesecond gasket 12 is made of a memory alloy material with a deformation temperature of 90 ℃; thefirst gasket 11 is stacked above thesecond gasket 12, and the mountingholes 2 formed in thefirst gasket 11 and thesecond gasket 12 are overlapped.
In the specific implementation process, thefirst gasket 11 and thesecond gasket 12 are respectively subjected to thermal processing to form a flat sheet structure, then thefirst gasket 11 and thesecond gasket 12 are processed to form an L-shaped structure through external force at normal temperature, then thefirst gasket 11 is stacked above thesecond gasket 12, the mountingholes 2 formed in thefirst gasket 11 and thesecond gasket 12 are overlapped, the metal gasket is mounted and placed at the electric connection part of the overhead power line, the metal gasket is mounted and fixed through the mountingholes 2 formed in thefirst gasket 11 and thesecond gasket 12 through bolts, and at the moment, one end of the metal gasket is arranged vertically at the electric connection part at 90 degrees;
when the electrical connection part of the power overhead line generates heat and reaches 80 ℃, thefirst gasket 11 is heated and deformed, and thebent part 101 of thefirst gasket 11 is restored to the flat sheet structure. The operation and maintenance personnel can judge that the current electric connection part possibly has an overheating condition according to the structural state of thefirst gasket 11 arranged on the electric connection part of the overhead power line, and can arrange a maintenance plan in advance. When the electrical connection part of the power overhead line generates heat and reaches 90 ℃, thesecond gasket 12 is heated and deformed, and thebent part 101 of thesecond gasket 12 is restored to the flat sheet structure. The operation and maintenance personnel can judge that the current electric connection part has an overheating condition according to the structural state of thesecond gasket 12 arranged on the electric connection part of the overhead power line, and must arrange a maintenance plan.
In another specific implementation process, thefirst gasket 11 and thesecond gasket 12 are respectively subjected to hot working to form an L-shaped structure bent at 90 degrees, then thefirst gasket 11 and thesecond gasket 12 are processed to form the L-shaped structure by external force at normal temperature, then thefirst gasket 11 is stacked above thesecond gasket 12, the mountingholes 2 formed in thefirst gasket 11 and thesecond gasket 12 are overlapped, the metal gasket is mounted and placed at the electrical connection part of the overhead power line, and the metal gasket is mounted and fixed by bolts through the mountingholes 2 formed in thefirst gasket 11 and thesecond gasket 12; the metal gasket is in a flat sheet structure and is horizontally arranged at the electric connection part;
when the electrical connection part of the power overhead line generates heat and reaches 80 ℃, thefirst gasket 11 is heated and deformed, and thebent part 101 of thefirst gasket 11 is restored to the L-shaped structure which is bent by 90 degrees. The operation and maintenance personnel can judge that the current electric connection part possibly has an overheating condition according to the structural state of thefirst gasket 11 arranged on the electric connection part of the overhead power line, and can arrange a maintenance plan in advance. When the electrical connection part of the power overhead line generates heat and reaches 90 ℃, thesecond gasket 12 is heated and deformed, and thebent part 101 of thesecond gasket 12 is restored to the L-shaped structure which is bent by 90 degrees. The operation and maintenance personnel can judge that the current electric connection part has an overheating condition according to the structural state of thesecond gasket 12 arranged on the electric connection part of the overhead power line, and must arrange a maintenance plan.
Accomplish the maintenance back, treat electric power overhead line's electric connection position temperature decline back, bucklefirst gasket 11 andsecond gasket 12 through insulating pyrocondensationexternal member 4 once more, make itskink 101 deformation under the exogenic action be flat sheet structure and level and set up in the electric connection position, or bucklefirst gasket 11 andsecond gasket 12 through insulating pyrocondensationexternal member 4, make itskink 101 buckle to thesheetmetal 3 to 90 erects to be located the setting of electric connection position under the exogenic action, can realize metal gasket's used repeatedly.
The same or similar reference numerals correspond to the same or similar parts;
the terms describing positional relationships in the drawings are for illustrative purposes only and are not to be construed as limiting the patent;
it should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A metal gasket for high-temperature warning is characterized by comprising a gasket made of memory alloy, wherein the middle part of the gasket is a bent part, and two sides of the bent part are inwards recessed; the gasket is provided with a mounting hole; the gasket is arranged on an electrical connection part of the overhead power line through a bolt, and when the electrical connection part of the overhead power line generates heat and reaches the deformation temperature of the gasket, the gasket deforms.
2. The metal gasket for high temperature warning of claim 1 further comprising a metal sheet, wherein one end of said metal sheet is fixedly connected to one end of said gasket.
3. The metal gasket for high temperature warning as claimed in claim 2, wherein an insulating heat-shrinkable sleeve is sleeved on the metal gasket.
4. The metal gasket for high temperature warning of claim 3, wherein said insulating heat shrink sleeve is provided with an indication pattern.
5. The metal washer for high temperature warning of claim 1, wherein the washer is made of nitinol.
6. The metal gasket for high temperature warning of claim 1, wherein said gasket is a combination of nickel titanium alloy and copper sheet.
7. The metal gasket for high temperature warning as claimed in claim 1, wherein the deformation temperature of the gasket is 80-100 ℃.
8. The metal gasket for high temperature warning according to claim 1, wherein the gasket comprises a first gasket and a second gasket, the first gasket is made of a memory alloy material with a low deformation temperature, and the second gasket is made of a memory alloy material with a high deformation temperature; the first gasket is stacked above the second gasket, and the mounting holes formed in the first gasket and the second gasket are arranged in a superposition mode.
9. The metal gasket for high temperature warning according to any one of claims 1 to 8, wherein the bent portion of the gasket is hot-worked into a flat sheet structure.
10. The metal gasket for high temperature warning according to any one of claims 1 to 8, wherein the bent portion of the gasket is hot-worked into a 90 ° bent structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011568554.3ACN112665757A (en) | 2020-12-25 | 2020-12-25 | Metal gasket for high-temperature warning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011568554.3ACN112665757A (en) | 2020-12-25 | 2020-12-25 | Metal gasket for high-temperature warning |
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| Publication Number | Publication Date |
|---|---|
| CN112665757Atrue CN112665757A (en) | 2021-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011568554.3APendingCN112665757A (en) | 2020-12-25 | 2020-12-25 | Metal gasket for high-temperature warning |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114824965A (en)* | 2022-06-27 | 2022-07-29 | 深圳市祥弘瑞科技有限公司 | USB concentrator that can accurate early warning |
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| CN114824965A (en)* | 2022-06-27 | 2022-07-29 | 深圳市祥弘瑞科技有限公司 | USB concentrator that can accurate early warning |
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