CN204535883U - Adopt the electrical equipment lug wire temperature measuring equipment that fusible alloy makes - Google Patents
Adopt the electrical equipment lug wire temperature measuring equipment that fusible alloy makes Download PDFInfo
- Publication number
- CN204535883U CN204535883U CN201520164111.6U CN201520164111U CN204535883U CN 204535883 U CN204535883 U CN 204535883U CN 201520164111 U CN201520164111 U CN 201520164111U CN 204535883 U CN204535883 U CN 204535883U
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- China
- Prior art keywords
- intermediate plate
- elastic intermediate
- fusible alloy
- arc elastic
- electrical equipment
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- 229910000743 fusible alloy Inorganic materials 0.000 title claims abstract description 39
- 238000007789 sealing Methods 0.000 claims abstract description 34
- 238000010438 heat treatment Methods 0.000 claims description 10
- 239000000956 alloy Substances 0.000 claims description 7
- 239000006023 eutectic alloy Substances 0.000 claims description 6
- 229910000634 wood's metal Inorganic materials 0.000 claims description 6
- 229910045601 alloy Inorganic materials 0.000 claims description 5
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000010257 thawing Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 2
- 230000001932 seasonal effect Effects 0.000 abstract description 2
- 230000009466 transformation Effects 0.000 abstract description 2
- 239000004020 conductor Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 229910052797 bismuth Inorganic materials 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 229910052718 tin Inorganic materials 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 229910052793 cadmium Inorganic materials 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 230000008961 swelling Effects 0.000 description 2
- 239000013585 weight reducing agent Substances 0.000 description 2
- 208000033999 Device damage Diseases 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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Abstract
The utility model discloses the electrical equipment lug wire temperature measuring equipment adopting fusible alloy to make, comprise left and right arc elastic intermediate plate, it is characterized in that: the wind spring being equipped with the lower end jaws clamping making left and right two panels arc elastic intermediate plate in the lower end radius bend section of arc elastic intermediate plate; The overtemperature mark cylinder of the sheathed tubular sealing cap in outside is provided with in the middle part of the base surface of circular seat board; Tubular sealing cap center is provided with the core bar of sheathed Compress Spring, and core bar is through the sheathed fusible alloy ring in position of the central through hole of circular seat board, and heat conduction nut is tightened in the upper end of core bar.This device, can not only install under the situation of high-tension transformation equipment charging operation, and owing to have employed fusible alloy as examination adiabator, so there is fusing point standard, narrow range, be quick on the draw, advantage that the thawing time is short, and fusing point can according to seasonal adjustment, can reject the impact that nature heats up, failure judgement heats up more accurately; Installation easily, use is flexible, convenient, warning function is obvious.
Description
Technical field
The utility model relates to a kind of improvement of electrical equipment joint temperature measuring equipment, specifically a kind of electrical equipment lug wire temperature measuring equipment that can replace the more stable employing fusible alloy of temperature display wax sheet, performance and make.
Background technology
In transformer station, electrical equipment conductor joint heating is a kind of frequent failure, due to reasons such as environmental factor, joint design, installation and maintenance inappropriate technologies, causes this fault to happen occasionally.When electrical network summer peak meeting, meet the kurtosis winter, when load current is larger, electrical equipment conductor joint heating fault is easier to occur.If device junction heating accident long-term existence and not being found, equipment may be caused to have a power failure, even device damage accident.Therefore, Timeliness coverage heat generating spot, and the hidden danger existed is eliminated in time, be the key of prevention power equipment accident.At present, judge the method for converting equipment conductor joint heating, be typically employed on electrical equipment joint and paste temperature display wax sheet, when the temperature of converting equipment conductor joint heating reaches the fusing point of temperature display wax sheet, the temperature display wax sheet be pasted onto on electrical equipment joint will melt and come off, advanced warning, shows to exceed nominal operating temperature herein, need carry out in time overhauling or reducing load operation.Adopt the deficiency of temperature display wax sheet to be: one is charged stickup temperature display wax sheet, needs specialized equipment, paste inconvenient; Two is temperature display wax sheet unstable properties, its fusing point is too low, and it is non-adjustable, in no matter winter or summer, its fusing point is consistent, summer sunlight also can melt under irradiating, can not the row of test locate that nature heats up, the real heat because of fault generation, easily mislead, observation is also inconvenient, and warning function is easily out in the cold; Three is because temperature display wax sheet is pasted onto converting equipment joint infall by glue, so it is solid to be pasted not strongly, bonded area is inconsistent, have impact on thermometric effect; Four is that temperature display wax sheet is pasted onto terminal place, is not be pasted onto on wire, so can not direct test lead temperature.
Well-known: fusible alloy, also mould alloy is claimed, it is the alloy made with elements such as bismuth, lead, tin and cadmiums, fusing point is at 47-200 DEG C, fusing point can be allocated as required, the fields such as electrical equipment, steam, fire-fighting, fire alarm are widely used in, for the heating of detecting electric device junction provides new foundation; The advantage of fusible alloy is: fusing point standard, narrow range, be quick on the draw, the thawing time is short.
Known by retrieving, having not yet to see a kind of take fusible alloy as examination adiabator, and can the report of electrical equipment lug wire temperature measuring equipment of charged mounting or dismounting.
Summary of the invention
The purpose of this utility model is to provide that one can replace temperature display wax sheet, performance is more stable, and fusing point can adjust as required, the electrical equipment lug wire temperature measuring equipment that adopts fusible alloy to make.
In order to reach above object, the technical scheme that the utility model adopts is: the electrical equipment lug wire temperature measuring equipment that this employing fusible alloy makes, comprise arc elastic intermediate plate, a left side established by arc elastic intermediate plate, right two panels, left, the middle part of right two panels arc elastic intermediate plate contacts, left, dehisce in the top of right two panels arc elastic intermediate plate, by a left side, the top of right two panels arc elastic intermediate plate dehisces to snap in electrical equipment lug wire, it is characterized in that: a described left side, the lower end of right two panels arc elastic intermediate plate is equipped with radius bend section, be provided with in radius bend section and make a left side, the wind spring of the lower end jaws clamping of right two panels arc elastic intermediate plate, the axle head of wind spring is fixed by back up pad and circular seat board, inwardly extrude a left side by two wind springs simultaneously, the lower end jaws of right two panels arc elastic intermediate plate, just electrical equipment lug wire can be clamped, make it on a left side, the lower end jaws internal fixtion of right two panels arc elastic intermediate plate is firm, the overtemperature mark cylinder connected as one is provided with in the middle part of the base surface of described circular seat board, the sheathed tubular sealing cap in outside of overtemperature mark cylinder, the cavity heights of tubular sealing cap is consistent with the length of overtemperature mark cylinder, in normal state, tubular sealing cap sealing cover, in the outside of overtemperature mark cylinder, can not observe overtemperature mark cylinder, the base plate center of described tubular sealing cap is provided with the core bar of the threaded head be fixed as one, sheathed Compress Spring on core bar, the central through hole of circular seat board is passed in the upper end of core bar, in the upper end of core bar through the sheathed fusible alloy ring in position of central through hole of circular seat board, then tighten heat conduction nut in the upper end of core bar and fix, the diameter of described circular seat board central through hole is greater than the overall diameter of heat conduction nut, is less than the overall diameter of fusible alloy ring, by the stop of fusible alloy ring, prevents heat conduction nut from deviating from from the central through hole of circular seat board downwards, electrical equipment lug wire is touched in the upper end of described heat conduction nut, electrical equipment lug wire heating temp passes to molten alloy hoop by heat conduction nut, when reaching the fusing point of fusible alloy ring, fusible alloy ring melts, no longer stop that heat conduction nut is deviate from from the central through hole of circular seat board, so, under the effect of Compress Spring, heat conduction nut is just deviate from downwards from the central through hole of circular seat board, tubular sealing cap is ejected downwards simultaneously, no longer capping overtemperature mark cylinder, overtemperature mark cylinder exposes, just this electrical equipment lug wire place temperature is pointed out to exceed the temperature of fusible alloy ring setting.
The utility model is also implemented by following measure: described fusible alloy ring is the one in fifty percent point of eutectic alloy or Lipowitz's alloy, selects that different proportionings is molten mixedly to be made by Bi, pb, Sn, Cd; The fusing point of fifty percent point of described eutectic alloy is 46.7 DEG C, is applicable to thermometric in winter; The fusing point of described Lipowitz's alloy is 70 DEG C, is applicable to thermometric in summer.
Arc convex is provided with, to increase the contact area of arc elastic intermediate plate and electrical equipment lug wire inside the lower end jaws of described arc elastic intermediate plate.
The lateral wall to the radius bend section of arc elastic intermediate plate lower end is supported in the outer end of described wind spring, and the madial wall to the radius bend section of arc elastic intermediate plate lower end is supported in the inner of described wind spring, the outer end of wind spring and the inner swelling state be in both sides.
The end opening of described overtemperature mark cylinder is provided with opening's edge of turning up; Described tubular sealing cap suitable for reading is provided with interiorly buckles opening's edge.
The outer wall of described overtemperature mark cylinder scribbles red paint, to serve as warning.
The diapire both sides of described tubular sealing cap are provided with the mounting bar suitable with transformer substation grounding wire insulating bar installing port, and the overall diameter of tubular sealing cap and the interior diameter of transformer substation grounding wire insulating bar installing port adapt; Described tubular sealing cap is that aluminum alloy materials is made, with weight reduction.
The beneficial effects of the utility model are: the electrical equipment lug wire temperature measuring equipment that this employing fusible alloy makes, compared with current temperature display wax sheet, can not only install under the situation of high-tension transformation equipment charging operation, and owing to have employed fusible alloy as examination adiabator, so there is fusing point standard, narrow range, be quick on the draw, advantage that the thawing time is short, and fusing point according to seasonal adjustment, can reject the impact that nature heats up, failure judgement heats up more accurately; Owing to have employed arc elastic intermediate plate holding electrical device junction wire, so install easily; Owing to have employed whether closing of the control overtemperature mark cylinder of fusible alloy, thus use flexibly, convenient, and the warning function of overtemperature mark cylinder is obvious, effectively avoids other examination adiabator and need have a power failure and install and wasting time and energy of causing; Due to direct-detection conductor temperature, so thermometric effect is more direct.
Accompanying drawing explanation
Fig. 1 is that enlarged diagram is analysed and observe by structure office of the present utility model.
In figure: 1, arc elastic intermediate plate; 2, electrical equipment lug wire; 3, wind spring; 4, circular seat board; 5, radius bend section; 6, overtemperature mark cylinder; 7, tubular sealing cap; 8, core bar; 9, Compress Spring; 10, central through hole; 11, fusible alloy ring; 12, heat conduction nut; 13, arc convex; 14, back up pad; 15, to turn up opening's edge; 16, interior button opening's edge; 17, mounting bar.
Embodiment
The electrical equipment lug wire temperature measuring equipment that this employing fusible alloy makes, comprise arc elastic intermediate plate 1, a left side established by arc elastic intermediate plate 1, right two panels, left, the middle part of right two panels arc elastic intermediate plate 1 contacts, left, dehisce in the top of right two panels arc elastic intermediate plate 1, by a left side, the top of right two panels arc elastic intermediate plate 1 dehisces to snap in electrical equipment lug wire 2, it is characterized in that: a described left side, the lower end of right two panels arc elastic intermediate plate 1 is equipped with radius bend section 5, be provided with in radius bend section 5 and make a left side, the wind spring 3 of the lower end jaws clamping of right two panels arc elastic intermediate plate 1, the axle head of wind spring 3 is fixed by back up pad 14 and circular seat board 4, inwardly extrude a left side by two wind springs 3 simultaneously, the lower end jaws of right two panels arc elastic intermediate plate 1, just electrical equipment lug wire 2 can be clamped, make it on a left side, the lower end jaws internal fixtion of right two panels arc elastic intermediate plate 1 is firm, can not come off because of circular seat board 4 and the parts self gravitation factor connected thereof, or loose contact, the overtemperature mark cylinder 6 connected as one is provided with in the middle part of the base surface of described circular seat board 4, the sheathed tubular sealing cap 7 in outside of overtemperature mark cylinder 6, the cavity heights of tubular sealing cap 7 is consistent with the length of overtemperature mark cylinder 6, in normal state, tubular sealing cap 7 sealing cover, in the outside of overtemperature mark cylinder 6, can not observe overtemperature mark cylinder 6, the base plate center of described tubular sealing cap 7 is provided with the core bar 8 of the threaded head be fixed as one, sheathed Compress Spring 9 on core bar 8, the central through hole 10 of circular seat board 4 is passed in the upper end of core bar 8, in the upper end of core bar 8 through the sheathed fusible alloy ring 11 in position of the central through hole 10 of circular seat board 4, then tighten heat conduction nut 12 in the upper end of core bar 8 fixing, the diameter of described circular seat board 4 central through hole 10 is greater than the overall diameter of heat conduction nut 12, is less than the overall diameter of fusible alloy ring 11, by the stop of fusible alloy ring 11, prevents heat conduction nut 12 from deviating from from the central through hole 10 of circular seat board 4 downwards, electrical equipment lug wire 2 is touched in the upper end of described heat conduction nut 12, electrical equipment lug wire 2 heating temp passes to molten alloy hoop 11 by heat conduction nut 12, when reaching the fusing point of fusible alloy ring 11, fusible alloy ring 11 melts, no longer stop that heat conduction nut 12 is deviate from from the central through hole 10 of circular seat board 4, so, under the effect of Compress Spring 9, heat conduction nut 12 is just deviate from downwards from the central through hole 10 of circular seat board 4, tubular sealing cap 7 is ejected downwards simultaneously, no longer capping overtemperature mark cylinder 6, overtemperature mark cylinder 6 exposes, just this electrical equipment lug wire 2 place temperature is pointed out to exceed the temperature of fusible alloy ring 11 setting, can judge that this place exists heating defect, need to process immediately.
As improvement of the present utility model: described fusible alloy ring 11 is the one in fifty percent point of eutectic alloy or Lipowitz's alloy, select that different proportionings is molten mixedly to be made by Bi, pb, Sn, Cd; The fusing point of fifty percent point of described eutectic alloy is 46.7 DEG C, is applicable to thermometric in winter; The fusing point of described Lipowitz's alloy is 70 DEG C, is applicable to thermometric in summer.
Arc convex 13 is provided with, to increase the contact area of arc elastic intermediate plate 1 and electrical equipment lug wire 2 inside the lower end jaws of described arc elastic intermediate plate 1.
The lateral wall to the radius bend section 5 of arc elastic intermediate plate 1 lower end is supported in the outer end of described wind spring 3, and the madial wall to the radius bend section 5 of arc elastic intermediate plate 1 lower end is supported in the inner of described wind spring 3, the outer end of wind spring 3 and the inner swelling state be in both sides.
The end opening of described overtemperature mark cylinder 6 is provided with opening's edge 15 of turning up; Described tubular sealing cap 7 suitable for reading is provided with interiorly buckles opening's edge 16, when tubular sealing cap 7 comes off downwards, when buckle in tubular sealing cap 7 opening's edge 16 drop down onto overtemperature mark cylinder 6 turn up opening's edge 15 time, just stop because being obstructed.
The outer wall of described overtemperature mark cylinder 6 scribbles red paint, to serve as warning.
The diapire both sides of described tubular sealing cap 7 are provided with the mounting bar 17 suitable with transformer substation grounding wire insulating bar installing port, the overall diameter of tubular sealing cap 7 and the interior diameter of transformer substation grounding wire insulating bar installing port adapt, after bottom the axially open that mounting bar 17 enters transformer substation grounding wire insulating bar installing port, tubular sealing cap 7 enters in transformer substation grounding wire insulating bar installing port, by the rotation of transformer substation grounding wire insulating bar, mounting bar 17 can be made to enter in the transverse opening of transformer substation grounding wire insulating bar installing port, thus tubular sealing cap 7 is fixed, realize handling of the present utility model, described tubular sealing cap 7 is made, with weight reduction for aluminum alloy materials.
When using the utility model, operation maintenance personnel picks up special transformer substation grounding wire insulating bar, clamp tubular sealing cap 7, near installing temperature indicating position, make the top jaws contact electrical equipment lug wire 2 of arc elastic intermediate plate 1, operation maintenance personnel is exerted oneself rapidly, electrical equipment lug wire 2 can snap in the lower end jaws of arc elastic intermediate plate 1, make electrical equipment lug wire 2 touch heat conduction nut 12 simultaneously, under the effect of wind spring 3, electrical equipment lug wire 2 is clamped, then rotates transformer substation grounding wire insulating bar, transformer substation grounding wire insulating bar is fetched.In like manner, reverse operating, can take off this electrical equipment joint temperature measuring equipment.
Claims (6)
1. adopt the electrical equipment lug wire temperature measuring equipment that fusible alloy makes, comprise arc elastic intermediate plate (1), a left side established by arc elastic intermediate plate (1), right two panels, left, the middle part of right two panels arc elastic intermediate plate (1) contacts, left, dehisce in the top of right two panels arc elastic intermediate plate (1), it is characterized in that: a described left side, the lower end of right two panels arc elastic intermediate plate (1) is equipped with radius bend section (5), be provided with in radius bend section (5) and make a left side, the wind spring (3) of the lower end jaws clamping of right two panels arc elastic intermediate plate (1), the axle head of wind spring (3) is fixed by back up pad (14) and circular seat board (4), be provided with the overtemperature mark cylinder (6) connected as one in the middle part of the base surface of described circular seat board (4), the sheathed tubular sealing cap (7) in outside of overtemperature mark cylinder (6), the cavity heights of tubular sealing cap (7) is consistent with the length of overtemperature mark cylinder (6), the base plate center of described tubular sealing cap (7) is provided with the core bar (8) of the threaded head be fixed as one, at the upper sheathed Compress Spring (9) of core bar (8), the central through hole (10) of circular seat board (4) is passed in the upper end of core bar (8), in the upper end of core bar (8) through the sheathed fusible alloy ring (11) in position of the central through hole (10) of circular seat board (4), then tighten heat conduction nut (12) in the upper end of core bar (8) fixing, the diameter of described circular seat board (4) central through hole (10) is greater than the overall diameter of heat conduction nut (12), is less than the overall diameter of fusible alloy ring (11), electrical equipment lug wire (2) is touched in the upper end of described heat conduction nut (12), and electrical equipment lug wire (2) heating temp passes to molten alloy hoop (11) by heat conduction nut (12).
2. the electrical equipment lug wire temperature measuring equipment that makes of employing fusible alloy according to claim 1, is characterized in that: described fusible alloy ring (11) is the one in fifty percent point of eutectic alloy or Lipowitz's alloy; The fusing point of fifty percent point of described eutectic alloy is 46.7 DEG C; The fusing point of described Lipowitz's alloy is 70 DEG C.
3. the electrical equipment lug wire temperature measuring equipment of employing fusible alloy making according to claim 1, is characterized in that: be provided with arc convex (13) inside the lower end jaws of described arc elastic intermediate plate (1).
4. the electrical equipment lug wire temperature measuring equipment of employing fusible alloy making according to claim 1, it is characterized in that: the lateral wall to the radius bend section (5) of arc elastic intermediate plate (1) lower end is supported in the outer end of described wind spring (3), the madial wall to the radius bend section (5) of arc elastic intermediate plate (1) lower end is supported in the inner of described wind spring (3).
5. the electrical equipment lug wire temperature measuring equipment of employing fusible alloy making according to claim 1, is characterized in that: the end opening of described overtemperature mark cylinder (6) is provided with opening's edge of turning up (15); Described tubular sealing cap (7) suitable for reading is provided with interiorly buckles opening's edge (16).
6. the electrical equipment lug wire temperature measuring equipment of employing fusible alloy making according to claim 1, the diapire both sides of described tubular sealing cap (7) are provided with the mounting bar (17) suitable with transformer substation grounding wire insulating bar installing port, and the overall diameter of tubular sealing cap (7) and the interior diameter of transformer substation grounding wire insulating bar installing port adapt.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201520164111.6U CN204535883U (en) | 2015-03-23 | 2015-03-23 | Adopt the electrical equipment lug wire temperature measuring equipment that fusible alloy makes |
Applications Claiming Priority (1)
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CN201520164111.6U CN204535883U (en) | 2015-03-23 | 2015-03-23 | Adopt the electrical equipment lug wire temperature measuring equipment that fusible alloy makes |
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CN204535883U true CN204535883U (en) | 2015-08-05 |
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CN201520164111.6U Expired - Fee Related CN204535883U (en) | 2015-03-23 | 2015-03-23 | Adopt the electrical equipment lug wire temperature measuring equipment that fusible alloy makes |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104655314A (en) * | 2015-03-23 | 2015-05-27 | 国家电网公司 | Electrical equipment connector lead temperature measuring device prepared by adopting fusible alloy |
CN106197732A (en) * | 2016-07-08 | 2016-12-07 | 南京中格科技发展有限公司 | Electrical conductor conductor joint heating monitor |
-
2015
- 2015-03-23 CN CN201520164111.6U patent/CN204535883U/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104655314A (en) * | 2015-03-23 | 2015-05-27 | 国家电网公司 | Electrical equipment connector lead temperature measuring device prepared by adopting fusible alloy |
CN104655314B (en) * | 2015-03-23 | 2017-05-24 | 国家电网公司 | Electrical equipment connector lead temperature measuring device prepared by adopting fusible alloy |
CN106197732A (en) * | 2016-07-08 | 2016-12-07 | 南京中格科技发展有限公司 | Electrical conductor conductor joint heating monitor |
CN106197732B (en) * | 2016-07-08 | 2019-03-22 | 南京中格科技发展有限公司 | Electrical conductor conductor joint heating monitor |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150805 Termination date: 20180323 |