CN107154539A - A kind of temperature alarm wire clamp - Google Patents
A kind of temperature alarm wire clamp Download PDFInfo
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- CN107154539A CN107154539A CN201610122960.4A CN201610122960A CN107154539A CN 107154539 A CN107154539 A CN 107154539A CN 201610122960 A CN201610122960 A CN 201610122960A CN 107154539 A CN107154539 A CN 107154539A
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- wire clamp
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- melting alloy
- cylindrical cavity
- spring
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- 229910000743 fusible alloy Inorganic materials 0.000 claims abstract description 35
- 239000004744 fabric Substances 0.000 claims abstract description 18
- 238000010438 heat treatment Methods 0.000 claims abstract description 12
- 239000004020 conductor Substances 0.000 claims abstract description 7
- 230000006835 compression Effects 0.000 claims abstract description 5
- 238000007906 compression Methods 0.000 claims abstract description 5
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 abstract description 10
- 238000009434 installation Methods 0.000 abstract description 5
- 238000010276 construction Methods 0.000 abstract description 4
- 238000001514 detection method Methods 0.000 abstract description 4
- 238000012546 transfer Methods 0.000 abstract description 3
- 239000000155 melt Substances 0.000 abstract description 2
- 230000008859 change Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 238000007789 sealing Methods 0.000 description 6
- 206010037660 Pyrexia Diseases 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 229910010380 TiNi Inorganic materials 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000012806 monitoring device Methods 0.000 description 3
- 241000272165 Charadriidae Species 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000012211 strain insulator Substances 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000003064 anti-oxidating effect Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005562 fading Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004021 metal welding Methods 0.000 description 1
- 239000002120 nanofilm Substances 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/02—Means for indicating or recording specially adapted for thermometers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K11/00—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
- G01K11/06—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using melting, freezing, or softening
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Emergency Alarm Devices (AREA)
Abstract
The present invention provides a kind of temperature alarm wire clamp, is related to field of electrical equipment, for solving the problems, such as that wire clamp failure overheats monitoring, alarming in operation of power networks, realizes：1st, do not report by mistake and fail to report, mitigate operation workload；2nd, it is durable in use；3rd, the exterior structure of existing wire clamp, energy-conserving and environment-protective are kept；4th, alarm condition can be kept；5th, police instruction is obvious；6th, installation steps are not increased, it is easy, firm；7th, heat transfer link is reduced, accuracy of detection tolerance is less than positive and negative 1 degree Celsius；8th, it is simple in construction, it is with low cost；9th, it is non-maintaining.It is characterized in that an at least cylindrical cavity built in wire clamp conductor component, successively compression loads a spring and wears the warning cloth for being connected on spring end, hole mouthful is sealed with low-melting alloy lid, when wire clamp heating reaches low-melting alloy fusing point, low-melting alloy lid melts, warning cloth is ejected hole and deployed by spring, and warning wire clamp is overheated.
Description
Technical field
The present invention relates to field of electrical equipment, and in particular to a kind of temperature alarm wire clamp.
Background technology
Generally wire is attached using wire clamp on power overhead network.Because equipment design, product quality, construction quality, operating condition, the operation reason such as the time limit may cause a part of wire clamp loose contact occur and abnormal heating.According to the requirement of existing equipment operating standard and specification, there is abnormal heating and belongs to defect in wire clamp, and great and urgent defect needs to repair as early as possible when occurring, and otherwise may blow wire, triggers equipment even large area blackout, and consequence is very serious.
Although wire clamp heating basic reason is the increase extremely of wire clamp contact resistance, but it is simultaneously also closely related with the changing factor such as load current, wind speed, environment temperature and sunshine, swift and violent rising occurs in when being superimposed of various least favorable factors, wire clamp temperature, triggers accident.Generally, operations staff monthly carries out cycle routine tour, but bore hole can not find wire clamp fever phenomenon.Infra red thermograph can be found that wire clamp fever phenomenon but the factor that has that inconvenient to carry, the detection cost time is more, price is high etc. when making an inspection tour, it is general it is customary make an inspection tour when do not use.Present operation power unit common practice is to carry out infra red thermograph monitoring once to general device half a year or 1 year, monthly carries out infra red thermograph monitoring to visual plant.What thermal infrared imager line walking was detected is wire clamp temperature at that time, causes significant portion heating defect to find in time, adds failure and continues to deteriorate the probability as accident, risk is brought to operation of power networks.
It is a kind of method for the maximum febrile state for catching wire clamp that temperature alarm is installed on existing common wire clamp, but in place of current technology scheme also Shortcomings.
Application number CN201510697429.5 disclosure of the invention a kind of electrical equipment heating indicator and driving element and preparation method thereof, indicator include base, driving element and the upper lid with base engagement；Driving element is installed between base and upper lid；Driving element material is marmem；Driving element is in normal temperature to surround the planar spiral formed, and it is the highly increased three-dimensional spiral shape in longitudinal direction to be thermally deformed rear driving element.The program has small volume, the characteristics of being quick on the draw, and is adapted to install and use in the narrow and small device space.But the technical scheme can then have following weak point if applied on electric line：1st, warn unobvious.Transmission line of electricity tower height is general at tens meters, and memory metal area is too small, is difficult to be observed visually by underground track walker in ejection state.2nd, tight sealing is lacked between base and upper lid, in the wild wind and weather, time length, the warning color that surface is applied easily is faded.3rd, the measurement tolerance of material is not high enough to the accuracy of measurement of temperature generally more than 10 °C.
Application number CN201510018197.6 disclosure of the invention power system high-low pressure heating position automatic indicator, with the intelligent spring temperature-sensing element of TiNi two-way memory alloys, the temperature perceived by the intelligent spring of TiNi two-way memory alloys on the contact easily generated heat makes the intelligent spring of TiNi two-way memory alloys occur mechanical movement to control the ejection of red flag to show on the contact easily generated heat.In place of the technical scheme Shortcomings：1st, red flag does not have tight sealing, in the wild wind and weather, and time length, the warning color that surface is applied easily is faded；2nd, the measurement tolerance of material is not high enough to the accuracy of measurement of temperature generally more than 10 °C；3rd, volume is big, and mechanism is complicated, applied on ultra-high-tension power transmission line, easily occurring corona, produces radio interference.
The invention of application number 201610062782.0 provides a kind of apparatus overheat alarm, it is characterized in that an instruction cloth folds and a bottle is put into together with after a spring-compressed, cover a bottle cap, bottle cap is connected with flipe one end, the joining place of bottleneck and bottle cap low-melting alloy welded seal, bottle cap surface snugly fits to monitored equipment surface, when monitored equipment temperature is higher than low-melting alloy fusing point, low-melting alloy melts, flipe is ejected bottle and deployed by compression spring, and display alarm equipment is overheated.This technology provides a kind of feasible solution, the common wire clamp fever monitoring huge for solving the problems, such as current power system quantity on hand.But also there is following weak point in the program：1st, when newly installing operation equipment, in addition to wire clamp, in addition it is also necessary to purchase in addition, warning device is installed, add management and construction link, for field high altitude operation, high cost is very important.2nd, warning device needs the part that be connected with existing wire clamp, there is junction heat transfer and is lost, and not firm enough the risk of installation.3rd, warning device needs the part being connected with existing wire clamp and independent shell encapsulation, adds product cost.
A kind of wire clamp with overheat alarm function of design is a technical scheme solved the above problems, but prior art also has many weak points.
A kind of Intelligent power connecting device of application number CN201110116903.2 disclosure of the invention, including wiring clip shell, being provided with wiring clip shell is used for the briquetting device that two ends clamp wire, it is additionally provided with to be provided with instruction device mounting hole, instruction device mounting hole on housing and can ejects the indicating arm of instruction device mounting hole when wiring clip shell is overheated.This intelligent electric power coupling arrangement is provided with the indicating arm that can be ejected in the instruction device mounting hole in wiring clip shell, when due to wire clamp connection loosen etc. reason the electric current in wiring clip shell is increased, and when causing the wiring clip shell to overheat, indicating arm in instruction device mounting hole will be ejected out of hole, so that maintainer can intuitively learn that this electric power coupling arrangement or circuit have potential safety hazard very much, so as to be overhauled.There is following weak point in the technical scheme：1st, the size of usual wire clamp is about in 100 millimeters of amplitudes, by wire clamp volumetric constraint, the length of indicating arm is about in 100 millimeters of amplitudes, section is smaller, easily obstructed the view by wire and wire clamp, even if not being blocked, the wire clamp setting height(from bottom) of general shaft tower circuit is both greater than 10 meters, and tour personnel is very big in the difficulty of ground-level finding indicating arm.2nd, under normal circumstances, with the change of electric current and environment temperature etc., wire clamp temperature has tens degree of normal variation daily.The motion state being in the normal state using bimetal leaf temperature distortion pushing mechanism, under the operating mode without water proof and dust proof, how to realize and ensure functional reliability within the time limit of about 30 years in wire clamp service life, technical scheme is provided without further specific in the technical scheme, there is difficulty for the understanding and realization of professional and technical personnel.According to operating experience, wire clamp generates heat odds in 0.1% rank, if the reliability of warning device is not above the reliability of wire clamp, wrong report will be a Great possibility, and warning device is that practicality will give a discount.3rd, because device is not fully sealed, device use in the wild can intake and dust, be constituted a threat to for the component for needing precision operation to control, and will cause to be difficult to reach scrapping the time limit and generally reaching the requirement of 20 to 30 years for built on stilts power equipment.
Realize and temperature alarm is carried out, it is necessary to solve following problem to the connecting portion of high pressure electric line：1st, the functional reliability of monitoring device necessarily be greater than the reliability of the connecting portion of high pressure electric line, and otherwise misoperation is more frequent than equipment heating failure, it is impossible to mitigate operation workload.2nd, equipment is durable in use, otherwise often to change, and work high above the ground operating expenses is high.3rd, monitoring device volume is sufficiently small, and profile is round and smooth, otherwise too protrudes from and corona discharge easily occurs outside conductor, the exceeded radio interference of generation and audible noise.4th, temperature once reaches alarm temperature, and alarm indication will continue to keep, it is impossible to which, when temperature is reduced again, alarm condition disappears, otherwise track walker power line load is relatively low, wind speed is larger, temperature it is relatively low when line walking when be unable to discovering device failure.5th, alarm indication state is sufficiently large with the shape difference of normal condition, otherwise is difficult to find more than ten meters high alarm indications when coming back viewing.6th, police instruction material should use insulating materials, otherwise when police instruction material, which is stretched out, to be come, and too protrude from and corona discharge easily occurs outside conductor, the exceeded radio interference of generation and audible noise.The 7th, connection is installed reliable, is otherwise easily got loose under the intense vibration of wire.8th, the temperature-sensitive position of monitoring device and the thermal resistance of wire clamp heating position are sufficiently small, otherwise under the strong wind state of high-altitude, and temperature-sensitive position and monitored equipment excessive temperature differentials, the degree of accuracy decline.
The content of the invention
Present invention aims at a kind of temperature alarm wire clamp is provided, for solving the problems, such as that wire clamp failure overheats monitoring, alarming in operation of power networks, and further realize：1st, do not report by mistake and fail to report, realize the reliability higher than common wire clamp, mitigate operation workload；2nd, sealing corrosion is durable in use；3rd, the exterior structure of existing wire clamp is kept, does not increase corona discharge and electromagnetic eddy, energy-conserving and environment-protective；4th, alarm condition can be kept；5th, police instruction is easily found；6th, the installation steps of wire clamp need not be increased, it is easy, firm；7th, heat transfer link is reduced, directly built-in to detect, accuracy of detection is high, tolerance is less than positive and negative 1 degree Celsius, operating temperature point will not drift about change；8th, it is simple in construction, it is with low cost；9th, it is non-maintaining.
To achieve these goals, the invention provides a kind of temperature alarm wire clamp, it is characterized in that an at least cylindrical cavity built in wire clamp conductor component, successively compression loads a spring and wears the warning cloth for being connected on spring end, hole mouthful is sealed with low-melting alloy lid, when wire clamp heating reaches low-melting alloy fusing point, the fusing of low-melting alloy lid, warning cloth is ejected hole and deployed by spring, and warning wire clamp is overheated.
Above-mentioned cylindrical cavity is one or two, and correspondence chooses the different low-melting alloy of one or two kinds of fusing points, and the different warning cloth of color.
Above-mentioned cylindrical cavity is located in the briquetting of c-type wire clamp.
Above-mentioned cylindrical cavity is located in connection wire clamp drainage plate.
The screw thread that above-mentioned low-melting alloy lid is made up of low-melting alloy is installed on hole mouthful.
Above-mentioned low-melting alloy lid is installed on hole mouthful by low-melting alloy welding.
Above-mentioned spring is bolted in the bottom of cylindrical cavity.
Above-mentioned cylindrical cavity surface powder coating.
The temperature alarm wire clamp of the present invention, it is possible to achieve following beneficial effect：1st, it is not required to by thermal infrared imager and additionally mounted temperature alarm, it is possible to realize and warning alert is carried out to wire clamp overheating fault, saves large number quipments cost and O＆M cost.2nd, the functional reliability of temperature alarm component is high.Temperature alarm component is not connected by screw bolts, and prevents bolt and looseness fault occurs under vibration operating mode；There is no electronic component and battery, reduction probability of failure in high temperature and low temperature；The fusing point setting range of low-melting alloy is accurate, can reach positive and negative 1 degree Celsius, as temperature-sensitive element, be built in inside wire clamp, change synchronous with wire clamp temperature, while again as action element, the energy storage of spring maintains a long-term stability.3rd, wire clip body as temperature alarm component shell, and adopt metal welding sealing, it can prevent aqueous vapor, dust, oxygen, ultraviolet from entering, temperature alarm component can anti-oxidation, colour fading aging, it is durable in use, reach and the common wire clamp service life of 20 to 30 years, it is to avoid often change, reduce the high operating expenses of work high above the ground.4th, do not change existing wire clamp outward appearance, corona discharge, radio interference and audible noise will not be increased.5th, wire clamp temperature is influenceed very big by electric current, wind speed, temperature, sunshine etc., temperature alarm wire clamp can be with round-the-clock detection, temperature once reaches alarm temperature, and alarm indication can just be kept, though track walker when wire clamp temperature is temporarily reduced line walking it has also been discovered that alarm.Current Temperatures are only detected different from thermal infrared imager.6th, can be according to the area of the position design police instruction cloth of wire clamp, even if installed in tens meters of height, can also easily be found on ground.7th, police instruction cloth uses insulating materials, when police instruction material, which is stretched out, to be come, it is not easy to occur the exceeded radio interference of corona discharge generation and audible noise.
Brief description of the drawings
Structural representations of the Fig. 1 for temperature alarm wire clamp of the invention in a monitoring state；
Structural representations of the Fig. 2 for temperature alarm wire clamp of the invention in an alarm state；
Structural representations of the Fig. 3 for c-type temperature alarm wire clamp of the invention in a monitoring state；
Structural representations of the Fig. 4 for strain insulator temperature alarm wire clamp of the invention in a monitoring state.
Embodiment
Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
As shown in Figure 1, an at least cylindrical cavity 2 built in the wire clamp conductor component 1 of the present embodiment, successively compression loads a spring 4 and wears the warning cloth 3 for being connected on the end of spring 4, spring 4 is fixed on the bottom of cylindrical cavity 2 by bolt 5, sealed at the opening of hole 2 with low-melting alloy lid 6, the screw thread that low-melting alloy lid 6 is made up of low-melting alloy is installed at the opening of cylindrical cavity 2, or is further heated to low-melting alloy lid 6 and the welding of cylindrical cavity 2 installation, it is ensured that is firmly installed and is sealed.The surface powder coating of cylindrical cavity 2, frictional force when reduction warning cloth 3 is ejected.The warning selection of cloth 3 insulation, frivolous cloth or high molecular film material, 0.06 millimeter of thickness, at a diameter of 8 millimeters, depth can accommodate one piece 300 millimeters long, 200 mm wides warning cloth for 80 millimeters of space.
As shown in Fig. 2 when the heating of wire clamp conductor component 1 reaches low-melting alloy fusing point, low-melting alloy lid 6 is melted, and warning cloth 3 is ejected cylindrical cavity 2 and deployed by spring 4, and warning wire clamp is overheated.It is different according to the temperature of fever monitoring, the low-melting alloy of corresponding fusing point can be selected.Low-melting alloy is made up of metals such as bismuth, tin, lead, and melting range is at 50 to 200 degrees Celsius.The fusing point of low-melting alloy constitutes determination by the ratio of various metals, with higher hardness when less than melting temperature, can provide highly stable reliable temperature monitoring warning, the margin of tolerance is up to positive and negative 1 degree Celsius.In one embodiment, from the low-melting alloy that fusing point is 70 and 100 degrees Celsius, corresponding selection yellow and red warning cloth 3.
As shown in Figure 3, the specific embodiment of the present invention is to be adapted to the c-type temperature alarm wire clamp that 10 kilovolts of overhead distributions are used, in a briquetting 7 inner part drilling, one cylindrical cavity 2, or respectively bore a cylindrical cavity 2 in the inside of two briquetting 7, the sealing cylinder hole 2 of low-melting alloy lid 6, and maintain an equal level with surface.
As shown in Figure 4, another specific embodiment of the present invention is to be adapted to the strain insulator temperature alarm wire clamp that 10 to 1000 kilovolts of built on stilts electric lines are used, in a drainage plate 8 inner part drilling, one cylindrical cavity 2, or respectively bore a cylindrical cavity 2 in the inside of two drainage plate 8, the sealing cylinder hole 2 of low-melting alloy lid 6, and maintain an equal level with surface.
Above-described embodiment is illustrated, and description is made only for applying the technical scheme of the present invention, and is not limited to other positions of wire clamp using existing known technology, the installation of such as fastener does not limit change of shape etc. yet.Technique according to the invention scheme, can apply on the wire interconnecting piece position of more kinds of models, include the joint area of the equipment such as transformer, arrester, breaker, disconnecting link, cable connector, numerous to list herein, fall within protection scope of the present invention.
Claims (8)
1. a kind of temperature alarm wire clamp, it is characterized in that an at least cylindrical cavity built in wire clamp conductor component, successively compression loads a spring and wears the warning cloth for being connected on spring end, hole mouthful is sealed with low-melting alloy lid, when wire clamp heating reaches low-melting alloy fusing point, low-melting alloy lid is melted, and warning cloth is ejected hole and deployed by spring, and warning wire clamp is overheated.
2. cylindrical cavity according to claim 1 is one or two, correspondence chooses the different low-melting alloy of one or two kinds of fusing points, and the different warning cloth of color.
3. cylindrical cavity according to claim 1 is located in the briquetting of c-type wire clamp.
4. cylindrical cavity according to claim 1 is located in connection wire clamp drainage plate.
5. the screw thread that low-melting alloy lid according to claim 1 is made up of low-melting alloy is installed on hole mouthful.
6. low-melting alloy lid according to claim 1 is installed on hole mouthful by low-melting alloy welding.
7. spring according to claim 1 is bolted in the bottom of cylindrical cavity.
8. cylindrical cavity surface according to claim 1 powder coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610122960.4A CN107154539A (en) | 2016-03-04 | 2016-03-04 | A kind of temperature alarm wire clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610122960.4A CN107154539A (en) | 2016-03-04 | 2016-03-04 | A kind of temperature alarm wire clamp |
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| Publication Number | Publication Date |
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| CN107154539A true CN107154539A (en) | 2017-09-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201610122960.4A Pending CN107154539A (en) | 2016-03-04 | 2016-03-04 | A kind of temperature alarm wire clamp |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106525258A (en) * | 2016-11-30 | 2017-03-22 | 国网山东省电力公司东明县供电公司 | Equipment wire clamp, equipment wire clamp connecting structure and power line fault indication method |
| CN109374154A (en) * | 2018-11-26 | 2019-02-22 | 广东电网有限责任公司 | Temperature warning mechanism |
| CN111520381A (en) * | 2020-04-30 | 2020-08-11 | 广东电网有限责任公司东莞供电局 | Bolt assembly and primary equipment |
| CN111912542A (en) * | 2020-07-02 | 2020-11-10 | 核工业西南物理研究院 | Temperature measuring method based on antimony-containing alloy |
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|---|---|---|---|---|
| CN106525258A (en) * | 2016-11-30 | 2017-03-22 | 国网山东省电力公司东明县供电公司 | Equipment wire clamp, equipment wire clamp connecting structure and power line fault indication method |
| CN106525258B (en) * | 2016-11-30 | 2019-04-30 | 国网山东省电力公司东明县供电公司 | Device clamp, device clamp connection structure and electric power wiring trouble indication method |
| CN109374154A (en) * | 2018-11-26 | 2019-02-22 | 广东电网有限责任公司 | Temperature warning mechanism |
| CN109374154B (en) * | 2018-11-26 | 2020-05-05 | 广东电网有限责任公司 | Temperature warning mechanism |
| CN111520381A (en) * | 2020-04-30 | 2020-08-11 | 广东电网有限责任公司东莞供电局 | Bolt assembly and primary equipment |
| CN111912542A (en) * | 2020-07-02 | 2020-11-10 | 核工业西南物理研究院 | Temperature measuring method based on antimony-containing alloy |
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