CN112665757A - Metal gasket for high-temperature warning - Google Patents
Metal gasket for high-temperature warning Download PDFInfo
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- CN112665757A CN112665757A CN202011568554.3A CN202011568554A CN112665757A CN 112665757 A CN112665757 A CN 112665757A CN 202011568554 A CN202011568554 A CN 202011568554A CN 112665757 A CN112665757 A CN 112665757A
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- gasket
- metal
- temperature warning
- high temperature
- connection part
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- 229910052751 metal Inorganic materials 0.000 title claims abstract description 74
- 239000002184 metal Substances 0.000 title claims abstract description 74
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims abstract description 16
- 229910001000 nickel titanium Inorganic materials 0.000 claims description 10
- 239000000956 alloy Substances 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- HLXZNVUGXRDIFK-UHFFFAOYSA-N nickel titanium Chemical 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-N 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 31
- 230000007547 defect Effects 0.000 abstract description 2
- 238000007689 inspection Methods 0.000 abstract description 2
- 238000005452 bending Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 230000009471 action Effects 0.000 description 6
- 238000013021 overheating Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000012545 processing Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229910000734 martensite Inorganic materials 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
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Abstract
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, and the metal gasket 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 arranged in a concave manner; 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, the gasket takes place deformation 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.
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 in embodiment 1.
Fig. 2 is a schematic structural diagram of a metal gasket for high temperature warning in embodiment 2.
Fig. 3 is a schematic structural diagram of a metal gasket for high temperature warning according to embodiment 3.
Fig. 4 is a rear view of the metal gasket for high temperature warning of embodiment 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 a gasket 1 made of memory alloy, wherein the middle part of the gasket 1 is a bent part 101, and two sides of the bent part 101 are inwards recessed; the gasket 1 is provided with a mounting hole 2, and the gasket 1 is arranged on an electrical connection part of the overhead power line through a bolt.
In this embodiment, the gasket 1 is made of nickel-titanium alloy, or a combination of nickel-titanium alloy and copper sheet.
In this example, the deformation temperature of the gasket 1 was 90 ℃.
In the specific implementation process, the bent part 101 of the gasket 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 the installation hole 2 formed in the gasket 1, and then the bent part 101 of the gasket 1 is processed to one end of the gasket 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 ℃, the bent part 101 of the gasket 1 is heated and deformed, and the bent part 101 of the gasket 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, the bent part 101 of the gasket 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 the installation hole 2 formed in the gasket 1, and then the bent part 101 of the gasket 1 is processed by external force until the gasket 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 ℃, the bending part 101 of the gasket 1 is heated and deformed, and the bending part 101 of the gasket 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, the bent part 101 of the gasket 1 is vertically arranged at the electric connection part through external force processing to 90 degrees at one end of the gasket 1, or the bent part 101 of the gasket 1 is horizontally arranged at the electric connection part through external force processing to the gasket 1, so that the metal gasket can be repeatedly used.
In this embodiment, adopt gasket 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. The gasket 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 a gasket 1 made of memory alloy, wherein the middle part of the gasket 1 is a bent part 101, and two sides of the bent part 101 are inwards recessed; the gasket 1 is provided with a mounting hole 2, and the gasket 1 is arranged on an electrical connection part of the overhead power line through a bolt.
In this embodiment, the gasket 1 is made of nickel-titanium alloy, or a combination of nickel-titanium alloy and copper sheet.
In this example, the deformation temperature of the gasket 1 was 90 ℃.
Further, the metal gasket for high temperature warning in this embodiment further includes a metal sheet 3, and one end of the metal sheet 3 is fixedly connected to one end of the gasket 1.
Furthermore, an insulating heat-shrinkable sleeve 4 is sleeved on the metal 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, the bent part 101 of the gasket 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 the installation holes 2 formed in the gasket 1, and then the gasket 1 is bent through the insulating heat-shrinkable sleeve 4, so that the bent 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 ℃, the bent part 101 of the gasket 1 is heated and deformed, and the bent part 101 of the gasket 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, the bent part 101 of the gasket 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 the mounting holes 2 formed in the gasket 1, and then the gasket 1 is bent through the insulating heat-shrinkable sleeve 4, so that the bent 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 ℃, the bending part 101 of the gasket 1 is heated and deformed, and the bending part 101 of the gasket 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 pyrocondensation external member 4 once more, make its kink 101 buckle to the sheetmetal 3 to 90 erects in the electric connection position setting under the exogenic action, or buckle gasket 1 through insulating pyrocondensation external member 4, make its kink 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 a gasket 1 made of memory alloy, wherein the middle part of the gasket 1 is a bent part 101, and two sides of the bent part 101 are inwards recessed; the gasket 1 is provided with a mounting hole 2, and the gasket 1 is arranged on an electrical connection part of the overhead power line through a bolt.
In this embodiment, the gasket 1 is made of nickel-titanium alloy, or a combination of nickel-titanium alloy and copper sheet.
In this embodiment, one end of the metal sheet 3 is fixedly connected to one end of the gasket 1.
In this embodiment, the metal sheet 3 is sleeved with an insulating thermal shrinkage sleeve 4, and the insulating thermal 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, the gasket 1 in this embodiment includes a first gasket 11 and a second gasket 12, where the first gasket 11 is made of a memory alloy material with a deformation temperature of 80 ℃, and the second gasket 12 is made of a memory alloy material with a deformation temperature of 90 ℃; the first gasket 11 is stacked above the second gasket 12, and the mounting holes 2 formed in the first gasket 11 and the second gasket 12 are overlapped.
In the specific implementation process, the first gasket 11 and the second gasket 12 are respectively subjected to thermal processing to form a flat sheet structure, then the first gasket 11 and the second gasket 12 are processed to form an L-shaped structure through external force at normal temperature, then the first gasket 11 is stacked above the second gasket 12, the mounting holes 2 formed in the first gasket 11 and the second 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 mounting holes 2 formed in the first gasket 11 and the second 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 ℃, the first gasket 11 is heated and deformed, and the bent part 101 of the first 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 the first 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 ℃, the second gasket 12 is heated and deformed, and the bent part 101 of the second 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 the second gasket 12 arranged on the electric connection part of the overhead power line, and must arrange a maintenance plan.
In another specific implementation process, the first gasket 11 and the second gasket 12 are respectively subjected to hot working to form an L-shaped structure bent at 90 degrees, then the first gasket 11 and the second gasket 12 are processed to form the L-shaped structure by external force at normal temperature, then the first gasket 11 is stacked above the second gasket 12, the mounting holes 2 formed in the first gasket 11 and the second 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 mounting holes 2 formed in the first gasket 11 and the second 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 ℃, the first gasket 11 is heated and deformed, and the bent part 101 of the first 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 the first 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 ℃, the second gasket 12 is heated and deformed, and the bent part 101 of the second 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 the second 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, buckle first gasket 11 and second gasket 12 through insulating pyrocondensation external member 4 once more, make its kink 101 deformation under the exogenic action be flat sheet structure and level and set up in the electric connection position, or buckle first gasket 11 and second gasket 12 through insulating pyrocondensation external member 4, make its kink 101 buckle to the sheetmetal 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 |
|---|---|---|---|
| CN202011568554.3A CN112665757A (en) | 2020-12-25 | 2020-12-25 | Metal gasket for high-temperature warning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011568554.3A CN112665757A (en) | 2020-12-25 | 2020-12-25 | Metal gasket for high-temperature warning |
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| Publication Number | Publication Date |
|---|---|
| CN112665757A true CN112665757A (en) | 2021-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011568554.3A Pending CN112665757A (en) | 2020-12-25 | 2020-12-25 | Metal gasket for high-temperature warning |
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| Country | Link |
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| CN (1) | CN112665757A (en) |
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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| JPS60174333A (en) * | 1984-02-17 | 1985-09-07 | Japanese National Railways<Jnr> | Temperature detector for electric feeder parts of electric car line |
| JPS646739U (en) * | 1987-06-26 | 1989-01-13 | ||
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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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Application publication date: 20210416 |