CN113571288A - Local overheated self-curling transformer - Google Patents
Local overheated self-curling transformer Download PDFInfo
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- CN113571288A CN113571288A CN202111124865.5A CN202111124865A CN113571288A CN 113571288 A CN113571288 A CN 113571288A CN 202111124865 A CN202111124865 A CN 202111124865A CN 113571288 A CN113571288 A CN 113571288A
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- curling
- rod
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- water guide
- self
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 143
- 239000012790 adhesive layer Substances 0.000 claims abstract description 42
- 238000002844 melting Methods 0.000 claims abstract description 20
- 230000008018 melting Effects 0.000 claims abstract description 19
- 230000008859 change Effects 0.000 claims description 32
- 229920000742 Cotton Polymers 0.000 claims description 21
- 230000017525 heat dissipation Effects 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 11
- 238000005096 rolling process Methods 0.000 claims description 7
- 239000000853 adhesive Substances 0.000 claims description 6
- 230000001070 adhesive effect Effects 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 6
- 239000012943 hotmelt Substances 0.000 claims description 4
- 239000000696 magnetic material Substances 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 20
- 239000012466 permeate Substances 0.000 abstract description 12
- 230000009471 action Effects 0.000 abstract description 10
- 238000013021 overheating Methods 0.000 abstract description 6
- 230000032683 aging Effects 0.000 abstract description 5
- 230000002159 abnormal effect Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 239000011148 porous material Substances 0.000 description 9
- 230000003287 optical effect Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000005307 ferromagnetism Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B5/00—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
- G08B5/06—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using hydraulic transmission; using pneumatic transmission
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/22—Cooling by heat conduction through solid or powdered fillings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/40—Structural association with built-in electric component, e.g. fuse
- H01F27/402—Association of measuring or protective means
- H01F2027/406—Temperature sensor or protection
Abstract
The invention discloses a self-curling transformer with local overheating, belonging to the field of transformers, wherein a fixed-point optically variable patch is attached to the surface of a radiating scale, when the local temperature is too high, a thermally variable hemisphere near the position is heated, on one hand, outward thrust is generated on the edge of a self-curling sheet, on the other hand, water permeates to an adhesive layer along a water guide ejector rod due to the hot melting of an abnormal high-temperature thermally variable connecting rod, so that the water is loosened, under the double action, the end part of a curling end is separated from the fixed-point optically variable patch, so that the self-curling is realized, the local high-temperature position is positioned, and then the fixed-point early warning is carried out on a worker, compared with the prior art, the potential safety hazard of insulating oil overflow caused by local high-temperature aging of the radiating scale is effectively avoided, in addition, when the self-curling process is carried out, a light bag is wrapped, when the light is dark, the light spot on the surface of the transformer appears a local dim phenomenon, the early warning effect is more obvious at night or in the dark.
Description
Technical Field
The invention relates to the field of transformers, in particular to a self-curling transformer with local overheating.
Background
A Transformer (Transformer) is a device that changes an alternating-current voltage by using the principle of electromagnetic induction, and main components are a primary coil, a secondary coil, and an iron core (magnetic core). Transformer cooling is the dissipation of heat generated by an operating transformer by some means. During transformer operation, heat generated by losses in the windings and core must be dissipated in time to avoid insulation damage due to overheating. For a small-capacity transformer, the ratio of the external surface area to the volume of the transformer is relatively large, and heat can be dissipated by radiation and natural convection in a self-cooling mode.
The transformer is when the operation, can produce a large amount of heats, thereby set up the heat dissipation scale increase heat radiating area on the transformer surface usually among the prior art, reach radiating effect, when in-service use, heat dissipation scale department is because of the difference of the dust attached to or inside electronic component distribution condition, easily causes the local temperature uneven distribution or the local too high condition of temperature, under the long-time effect, the ageing rate of the scale of should locating heat dissipation is higher than other parts, lead to having the potential safety hazard that inside insulating oil spills over.
Disclosure of Invention
1. Technical problem to be solved
The invention aims to solve the problems in the prior art, and provides a self-curling transformer with local overheating, wherein a fixed point optical variable patch is attached to the surface of a radiating scale, when the local temperature is too high, the part of the radiating scale is heated corresponding to or close to a thermal variable hemisphere, on one hand, outward thrust is generated on the edge of a self-curling sheet, on the other hand, water permeates to an adhesive layer along a water guide ejector rod due to the hot melting of an abnormal high-temperature thermal variable connecting rod, so that the adhesive layer is loosened, under the double action, the end part of a curling end is separated from the fixed point optical variable patch, so that the self-curling is realized, the local high-temperature part is positioned, and then the fixed point early warning is carried out on a worker, compared with the prior art, the potential safety hazard of insulating oil overflow caused by the aging of the local high temperature is effectively avoided, and in addition, when the self-curling process is carried out, an optical capsule is wrapped, when the light is darker, the light spot on the surface of the transformer is locally dim, so that the early warning effect is more obvious at night or when the light is darker.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A self-curling transformer with local overheating comprises a transformer body, wherein the outer end of the transformer body is connected with a plurality of uniformly distributed heat dissipation scales, fixed-point optically variable patches are attached to the end faces, facing the outside, of the heat dissipation scales, each fixed-point optically variable patch comprises a porous flat section and a plurality of porous concave sections connected between two adjacent porous flat sections respectively, the porous concave sections are bonded with the surfaces of the heat dissipation scales, the outward end parts of the porous flat sections are fixedly connected with self-curling sheets, the end parts, facing the heat dissipation scales, of the porous flat sections are fixedly connected with a pair of early warning columns, and the two early warning columns correspond to the two end parts of the self-curling sheets respectively; the early warning post comprises a water guide ejector rod and a heat change hemisphere connected to one end, close to the radiating scale, of the water guide ejector rod, the self-curling sheet comprises a locating rod fixedly connected with the middle of the porous flat section, two curling ends fixedly connected to two ends of the locating rod respectively, and a position control sheet fixedly connected to one end, close to the radiating scale, of the curling end, the end of the position control sheet is provided with a pre-melting groove in a chiseled mode, an adhesive layer is filled in the pre-melting groove, and the end of the water guide ejector rod movably penetrates through the porous flat section and fixedly extends into the adhesive layer.
Further, the adhesive layer is made for water-soluble glue material, the accuse piece is magnetic material, because the transformer casing is mostly the material that possesses the ferromagnetism, makes to have certain magnetic attraction between accuse piece and the transformer body, the planar holding of the end of being convenient for curl, and the tip magnetic pole that two accuse pieces kept away from each other is opposite, makes two curl the end after curling, and the terminal surface can adsorb each other when being close to each other, makes the shape of curling more stable, and is better to staff's early warning effect.
Further, curling end original shape is the semi-tubular structure of high elasticity, and curls the end and is stretched and present plane shape through the magnetic attraction between accuse position piece and the heat dissipation scale and the adhesive force of adhesive layer, and planar curling end is attached on porous sunken section surface, makes accuse position piece department not hard up back, curls the end and under its elasticity effect of recovering, can curl fast and present the tubulose.
Further, the heat altered hemisphere includes the hard face end and the fixed water storage end of parcel at hard face end surface with the contact of heat dissipation scale, water storage end intussuseption is filled with water, the one end that the hard face end is close to the water storage end is dug there is the gas tank, gas tank notch department fixedly connected with air push jack, the space intussuseption that air push jack and gas tank enclose has high heat-conducting gas, hard face end middle part is run through and is fixed with the heat conduction pole, the heat conduction pole tip extends to the gas tank in, the water guide ejector pin is kept away from the end fixing who rolls up the slide and is run through the air push jack, be connected with the heat altered connecting rod between heat conduction pole tip and the air push jack tip.
Furthermore, the heat conducting rod is made of a high-heat-conduction metal structure, the heat-variable connecting rod is made of a hot-melt material with a melting point of 60-90 ℃, when the heat conducting rod is locally overheated, the heat-variable connecting rod is gradually hot-melted, so that the connection between the water guide ejector rod and the heat conducting rod is loosened and relieved, meanwhile, the high-heat-conduction gas expands and extrudes the water guide ejector rod, the position control sheet is loosened to a certain extent, after the hot-melt amplitude of the heat-variable connecting rod is increased, water permeates into the water guide ejector rod, the adhesive layer is dissolved in water, the adhesion force between the position control sheet and the fixed-point light-variable patch is relieved or weakened, and under the double effects, the force for recovering the elasticity of the curling end is larger than the force between the position control sheet and the fixed-point light-variable patch, so that the self-curling is realized.
Furthermore, the end part of the water guide ejector rod close to the air pushing piece is of a porous structure, and the part of the heat change connecting rod located in the water guide ejector rod completely covers the porous part, so that the pore can be blocked by the heat change connecting rod under the normal condition of temperature, water is not easy to permeate into the water guide ejector rod, and the adhesive layer is effectively protected to prevent the adhesion between the control sheet and the fixed-point light change patch from being damaged.
The water guide device is characterized in that a water guide cotton rod penetrates through the inside of the water guide ejector rod, an interval exists between one end of the water guide cotton rod and the heat change connecting rod, the other end of the water guide cotton rod is in contact with the adhesive layer, the water guide cotton rod is arranged to guide water to move towards the adhesive layer, and the situation that the water is easy to have poor circulation due to air pressure and the water is difficult to reach the adhesive layer due to the fact that the water guide ejector rod is too thin is effectively avoided.
Furthermore, the air pushing sheet is of a high-elasticity structure, so that when the thermal change connecting rod starts to be subjected to hot melting, the heat conducting rod and the water guide ejector rod are connected and loosened, at the moment, under the action of high temperature, the air pushing sheet can expand to push the water guide ejector rod, further a certain pushing force is generated on the control position sheet, meanwhile, when the air pushing sheet expands, pores at the position of the water guide ejector rod are overflowed by air diffraction inside the air pushing sheet, the pores are effectively loosened, water can conveniently enter the water guide ejector rod, the filling amount of the water is not lower than 50%, and the part of the water guide ejector rod, which is located in the thermal change hemisphere, is completely submerged by the water surface on the water, so that the water can be permeated into the water guide ejector rod and is transferred to the adhesive layer along the water guide cotton rod after the thermal change connecting rod is subjected to hot melting, and the formation of the early warning effect of the self-curling sheet is effectively guaranteed.
Further, curling end middle part fixed connection has the light bag, the light bag intussuseption is filled with fluorescence liquid, two the light bag all contacts with the locating lever, the light bag is flexible transparent structure, and along the extending direction of locating lever, the length of light bag is no longer than half of locating lever length, at night or the darker department of light, makes this transformer surface present evenly distributed's light spot phenomenon, and when taking place local high temperature and lead to from rolling up the slide from curling, the light bag is wrapped up, and when light was darker, makes the light spot on this transformer surface present local dim phenomenon, makes the early warning effect when night or light was darker more obvious.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) by attaching the fixed-point optically variable patch on the surface of the radiating scale, when the local temperature is too high, the temperature of the thermal variable hemisphere near the position is increased, on one hand, the outward thrust is generated to the edge of the self-curling sheet outwards, on the other hand, because the abnormal high-temperature thermal-change connecting rod is hot-melted, water permeates to the adhesive layer along the water guide ejector rod to be loosened, under the double functions, the end part of the curling end is separated from the fixed point light-variable patch, thereby self-curling, positioning the local high-temperature position, further carrying out fixed-point type early warning on the working personnel, compared with the prior art, effectively avoiding the potential safety hazard of insulating oil overflow caused by local high-temperature aging of the radiating fins, and in addition, when the transformer is self-curled, the light bag is wrapped, when the light is dark, the light spot on the surface of the transformer is locally dim, and the early warning effect at night or when the light is dark is more obvious.
(2) The adhesive layer is made for water-soluble glue material, and the accuse piece is magnetic material, because transformer housing is mostly the material that possesses the ferromagnetism, makes to have certain magnetic attraction between accuse piece and the transformer body, the planar keeping of the end of being convenient for curl, and the tip magnetic pole that two accuse pieces kept away from each other is opposite, makes two curls the end after curling, can adsorb each other when the terminal surface is close to each other, makes the shape of curling more stable, and is better to staff's early warning effect.
(3) The former shape of curling end is the semi-tubular structure of high elasticity, and curls the end and is stretched and present plane through the magnetic attraction between accuse position piece and the heat dissipation scale and the adhesive force of adhesive layer, and planar curling end is attached on porous sunken section surface, makes accuse position piece department not hard up back, curls the end under its elasticity effect that resumes, can curl fast and present the tubulose.
(4) The heat conducting rod is made of a high-heat-conduction metal structure, the heat-variable connecting rod is made of a hot-melt material with a melting point of 60-90 ℃, when the heat conducting rod is locally overheated, the heat-variable connecting rod is gradually hot-melted, so that the connection between the water guide ejector rod and the heat conducting rod is loosened and removed, meanwhile, the high-heat-conduction gas expands to extrude the water guide ejector rod, the position control sheet is loosened to a certain extent, after the hot melting amplitude of the heat-variable connecting rod is increased, water permeates into the water guide ejector rod, the adhesive layer is dissolved in water, the adhesion force between the position control sheet and the fixed-point light-variable patch is removed or weakened, and under the double action, the force for recovering the elasticity of the curling end is larger than the force between the position control sheet and the fixed-point light-variable patch, so that the self-curling is realized.
(5) The end part of the water guide ejector rod close to the air pushing piece is of a porous structure, and the part of the heat change connecting rod located in the water guide ejector rod completely covers the porous part, so that the pore can be blocked by the heat change connecting rod under normal temperature conditions, water is not easy to permeate into the water guide ejector rod, and the adhesive layer is effectively protected to prevent the adhesion between the positioning control piece and the fixed point light change patch from being damaged.
(6) The water guide cotton rod penetrates through the inside of the water guide ejector rod, an interval exists between one end of the water guide cotton rod and the heat change connecting rod, the other end of the water guide cotton rod is in contact with the adhesive layer, the water guide cotton rod is convenient to guide water to move towards the adhesive layer, and the situation that water is easy to reach the adhesive layer due to poor circulation of air pressure and the fact that water is difficult to reach the adhesive layer due to the fact that the water guide ejector rod is too thin is effectively avoided.
(7) The air push sheet is of a high-elasticity structure, so that when the thermal change connecting rod starts to be subjected to hot melting, the connection between the heat conducting rod and the water guide ejector rod is loosened, at the moment, under the action of high temperature, the air push sheet can expand to push the water guide ejector rod so as to generate a certain pushing force on the position control sheet, meanwhile, when the air push sheet expands, the pores at the position of the water guide ejector rod are diffracted by gas inside the air push sheet to overflow, the pores are effectively loosened, water can conveniently enter the water guide ejector rod, the filling amount of the water is not lower than 50%, the part of the water guide ejector rod, which is positioned in the thermal change hemisphere, is completely submerged by the liquid level on the water, and after the thermal change connecting rod is subjected to hot melting, the water can permeate into the water guide ejector rod and is transmitted to the adhesive layer along the water guide cotton rod, and the formation of the early warning effect of the self-curling light rolling sheet is effectively guaranteed.
(8) Curling end middle part fixed connection has the light bag, the light bag intussuseption is filled with fluorescent liquid, two light bags all contact with the locating lever, the light bag is flexible transparent construction, and along the extending direction of locating lever, the length of light bag is no longer than half of locating lever length, in night or the darker department of light, make this transformer surface present evenly distributed's light spot phenomenon, and when taking place local high temperature and leading to from rolling up the slide self-curling, the light bag is wrapped up, when light is darker, make the light spot on this transformer surface present local dim phenomenon, make the early warning effect when night or light are darker more obvious.
Drawings
FIG. 1 is a side view of the present invention;
FIG. 2 is a schematic perspective view of the present invention;
FIG. 3 is a schematic structural view of the side of the heat dissipating scale of the present invention;
FIG. 4 is a schematic view of the structure at A in FIG. 3;
FIG. 5 is a schematic view of a heat-altered hemisphere of the present invention;
FIG. 6 is a schematic structural diagram of the water guide post rod of the present invention;
FIG. 7 is a schematic structural diagram of a fixed-point optically variable patch of the present invention;
FIG. 8 is a schematic structural diagram of a fixed-point optically variable patch according to the present invention after partial curling;
FIG. 9 is a schematic structural diagram of the self-curling sheet before and after self-curling;
FIG. 10 is a schematic structural view of the self-roll-up sheet of the present invention in a planar shape.
The reference numbers in the figures illustrate:
1 transformer body, 2 heat dissipation scales, 3 fixed point light variation patches, 31 porous flat sections, 32 porous sunken sections, 4 early warning columns, 41 water guide ejector rods, 421 hard surface ends, 422 water storage ends, 5 self-curling sheets, 51 curling ends, 52 positioning rods, 53 control sheets, 6 adhesive layers, 7 heat conducting rods, 8 air grooves, 9 air pushing sheets, 10 water guide cotton rods, 11 heat variation connecting rods and 12 light bags.
Detailed Description
The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
referring to fig. 1-2, a self-curling transformer with local overheating includes a transformer body 1, a plurality of heat dissipation scales 2 uniformly distributed are connected to an outer end of the transformer body 1, and fixed-point optically variable patches 3 are attached to an outward-facing end surface of each heat dissipation scale 2.
Referring to fig. 3 and 7, the fixed point optically variable patch 3 includes a porous flat section 31 and a plurality of porous concave sections 32 connected between two adjacent porous flat sections 31, the porous concave sections 32 are adhered to the surface of the heat dissipating scale 2, the outward end of the porous flat section 31 is fixedly connected with a self-curling sheet 5, the end of the porous flat section 31 facing the heat dissipating scale 2 is fixedly connected with a pair of pre-warning posts 4, and the two pre-warning posts 4 correspond to two ends of the self-curling sheet 5.
Referring to fig. 5, the warning post 4 includes a water guiding ejector rod 41 and a heat-variable hemisphere connected to one end of the water guiding ejector rod 41 close to the heat dissipating scale 2, the heat-variable hemisphere includes a hard surface end 421 contacting the heat dissipating scale 2 and a water storage end 422 fixedly wrapped on the surface of the hard surface end 421, the water storage end 422 is filled with water, one end of the hard surface end 421 close to the water storage end 422 is provided with an air groove 8, a notch of the air groove 8 is fixedly connected with an air push plate 9, a space enclosed by the air push plate 9 and the air groove 8 is filled with high heat-conductive gas, a heat-conducting rod 7 is fixedly penetrated through the middle of the hard surface end 421, the end of the heat-conducting rod 7 extends into the air groove 8, the heat-conducting rod 7 is made of a high heat-conductive metal structure, the heat-variable connecting rod 11 is made of a hot-melting material with a melting point between 60 ℃ and 90 ℃, when the heat-variable connecting rod 11 is locally overheated, the connection between the water guiding ejector rod 41 and the heat-conducting rod 7 is loosened and released, meanwhile, the high heat-conducting gas expands and extrudes the water guide ejector rod 41 to enable the position control piece 53 to be loosened to a certain degree, when the hot melting amplitude of the thermal change connecting rod 11 is increased, water permeates into the water guide ejector rod 41 to enable the adhesive layer 6 to be dissolved in water, the adhesion force between the position control piece 53 and the fixed point optical change patch 3 is relieved or weakened, and under the double effects, the force of the curling end 51 for recovering the elasticity is greater than the force between the position control piece 53 and the fixed point optical change patch 3, so that the self-curling is realized;
the end part of the water guide ejector rod 41 far away from the self-light rolling piece 5 is fixedly penetrated through the air push piece 9, the air push piece 9 is of a high-elasticity structure, when the thermal change connecting rod 11 starts to be hot-melted, the connection between the heat conducting rod 7 and the water guide ejector rod 41 is loosened, at the moment, under the action of high temperature, the air push piece 9 can expand to push the water guide ejector rod 41, a certain pushing force is further generated on the position control piece 53, meanwhile, when the expansion is carried out, gas inside the expansion diffracts the pores at the position of the water guide ejector rod 41 to overflow, the pores are effectively loosened, water can conveniently enter the water guide ejector rod 41, and in addition, the gas overflow from the pores of the water guide ejector rod 41 needs a certain time, so that the pushing force of the air push piece 9 on the position control piece 53 can also last a certain time and is enough to be supported to the adhesive layer 6 to be dissolved in water, the position control piece 53 is subjected to double loosening action, the filling amount of the water is not less than 50 percent, and the water surface of the water is completely submerged in the thermal change hemisphere by the water push rod 41, after the thermal change connecting rod 11 is effectively guaranteed to be hot-melted, water can permeate into the water guide ejector rod 41 and is transmitted to the adhesive layer 6 along the water guide cotton rod 10, and the formation of the self-curling early warning effect of the self-curling piece 5 is effectively guaranteed.
Referring to fig. 6, a thermal change connecting rod 11 is connected between the end of the heat conducting rod 7 and the end of the air push plate 9, a water guide cotton rod 10 penetrates through the water guide push rod 41, a gap exists between one end of the water guide cotton rod 10 and the thermal change connecting rod 11, the other end of the water guide cotton rod 10 is in contact with the adhesive layer 6, the water guide cotton rod 10 is arranged to guide water to move towards the adhesive layer 6, so as to effectively avoid the situation that the water is easy to have poor circulation due to air pressure and difficult to reach the adhesive layer 6 because the water guide push rod 41 is too thin, the end of the water guide push rod 41 close to the air push plate 9 is of a porous structure, and the part of the thermal change connecting rod 11 positioned in the water guide ejector rod 41 completely covers the porous part, so that under the normal condition, the thermal change connecting rod 11 can block the hole, so that water is not easy to permeate into the water guide ejector rod 41, and the adhesive layer 6 is effectively protected, so that the adhesion between the positioning control sheet 53 and the fixed point optical change patch 3 is not easy to damage.
In addition, the water guide cotton rod 10 is selectively arranged, and in specific implementation, the water guide cotton rod 10 is not arranged, so that water naturally flows into the water guide ejector rod 41 under the action of a liquid level difference, and the adhesive layer 6 is dissolved in water.
Referring to fig. 9, the self-curling sheet 5 includes a positioning rod 52 fixedly connected to the middle of the porous flat section 31, two curling ends 51 fixedly connected to two ends of the positioning rod 52, respectively, and a position control sheet 53 fixedly connected to one end of the curling end 51 close to the heat dissipating fins 2, the curling end 51 is in a high-elasticity semi-tubular structure, the curling end 51 is stretched to be in a planar shape by the magnetic attraction between the position control sheet 53 and the heat dissipating fins 2 and the adhesive force of the adhesive layer 6, the planar curling end 51 is attached to the surface of the porous depressed section 32, so that the position control sheet 53 is loosened, the curling end 51 can be quickly curled to be in a tubular shape under the elastic recovery action, as shown in fig. 4, a pre-melting groove is formed at the end of the position control sheet 53, the adhesive layer 6 is filled in the pre-melting groove, the end of the water guide push rod 41 movably penetrates through the porous flat section 31 and fixedly extends into the adhesive layer 6, and the adhesive layer 6 is made of a water-soluble adhesive material, accuse position piece 53 is magnetic material, because transformer housing is mostly the material that possesses the ferromagnetism, makes to have certain magnetic attraction between accuse position piece 53 and the transformer body 1, is convenient for curl the planar maintenance of end 51, and two accuse position pieces 53 tip magnetic poles of keeping away from each other are opposite, make two curling ends 51 after curling, can adsorb each other when the terminal surface is close to each other, make the shape of curling more stable, and the early warning effect to the staff is better.
Referring to fig. 10, the middle of the curling end 51 is fixedly connected with the light bag 12, the light bag 12 is filled with fluorescent liquid, the two light bags 12 are both in contact with the positioning rod 52, the light bag 12 is of a flexible transparent structure, and along the extending direction of the positioning rod 52, the length of the light bag 12 is not more than half of the length of the positioning rod 52, so that the surface of the transformer presents an evenly distributed light spot phenomenon at night or in a dark place, when local high temperature occurs to cause self-curling of the self-curling sheet 5, the light bag 12 is wrapped, when light is dark, the light spot on the surface of the transformer presents a local dim phenomenon, and the early warning effect at night or in a dark place is more obvious.
Through the arrangement of attaching the fixed point optically variable patch 3 to the surface of the radiating scale 2, when the local temperature is too high, the position is heated corresponding to or closest to the thermally variable hemisphere, on one hand, outward thrust is generated on the edge of the self-rolling piece 5, on the other hand, due to the hot melting of the abnormal high temperature thermally variable connecting rod 11, water permeates to the position of the adhesive layer 6 along the water guide ejector rod 41 to be loosened, under the double action, as shown in figures 8-9, the end part of the curled end 51 is separated from the fixed point optically variable patch 3 to be self-curled, so that the local high temperature position is positioned, and further the fixed point type early warning is carried out on a worker, compared with the prior art, the potential safety hazard of insulating oil overflow caused by local high temperature aging of the radiating scale 2 is effectively avoided, in addition, when the self-curling process is carried out, the light bag 12 is wrapped, when the light is dark, the light spot on the surface of the transformer appears a local dim phenomenon, the early warning effect is more obvious at night or in the dark.
The above; but are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.
Claims (8)
1. The utility model provides a local overheated formula transformer that curls certainly, includes transformer body (1), transformer body (1) outer end is connected with a plurality of evenly distributed's heat dissipation scale (2), its characterized in that: a fixed-point optically variable patch (3) is attached to the end face, facing outwards, of each radiating scale (2), each fixed-point optically variable patch (3) comprises a porous flat section (31) and a plurality of porous sunken sections (32) connected between every two adjacent porous flat sections (31), the surfaces of the porous sunken sections (32) and the radiating scales (2) are bonded, the end, facing outwards, of each porous flat section (31) is fixedly connected with a self-rolling light sheet (5), the end, facing outwards, of each porous flat section (31) is fixedly connected with a pair of early warning columns (4), and the two early warning columns (4) correspond to the two ends of the self-rolling light sheet (5) respectively;
the early warning post (4) comprises a water guide ejector rod (41) and a heat-variable hemisphere connected to one end, close to the radiating scale (2), of the water guide ejector rod (41), the self-curling sheet (5) comprises a positioning rod (52) fixedly connected with the middle of the porous flat section (31), two curling ends (51) fixedly connected to two ends of the positioning rod (52) respectively and a control sheet (53) fixedly connected to one end, close to the radiating scale (2), of the curling end (51), a pre-melting groove is formed in the end of the control sheet (53), an adhesive layer (6) is filled in the pre-melting groove, the end of the water guide ejector rod (41) movably penetrates through the porous flat section (31) and fixedly extends into the adhesive layer (6), the curling end (51) is of a high-elasticity semi-tubular structure, and the curling end (51) is stretched in a plane shape through the magnetic attraction force between the control sheet (53) and the radiating scale (2) and the adhesive force of the adhesive layer (6), and the planar curled end (51) is attached to the surface of the porous sunken section (32);
the heat change hemisphere includes hard face end (421) and the fixed water storage end (422) of parcel on hard face end (421) surface with heat dissipation scale (2) contact, water storage end (422) intussuseption is filled with water, the one end that hard face end (421) is close to water storage end (422) is opened and is dug has gas tank (8), gas tank (8) notch department fixedly connected with gas push jack (9), the space that gas push jack (9) and gas tank (8) enclose is filled with high heat conduction gas, hard face end (421) middle part is run through and is fixed with heat conduction pole (7), heat conduction pole (7) tip extends to in gas tank (8), water guide ejector pin (41) are kept away from the fixed gas push jack (9) that runs through of tip from roll-up light piece (5), be connected with heat change connecting rod (11) between heat conduction pole (7) tip and gas push jack (9) tip.
2. A locally overheated self-curling transformer according to claim 1, wherein: the adhesive layer (6) is made of a water-soluble adhesive material, the position control sheets (53) are made of a magnetic material, and the magnetic poles of the end parts, far away from each other, of the two position control sheets (53) are opposite.
3. A locally overheated self-curling transformer according to claim 1, wherein: the heat conducting rod (7) is made of a high-heat-conducting metal structure, and the heat change connecting rod (11) is made of a hot melt material with a melting point of 60-90 ℃.
4. A locally overheated self-curling transformer according to claim 1, wherein: the end part of the water guide ejector rod (41) close to the air pushing piece (9) is of a porous structure, and the part of the thermal change connecting rod (11) located in the water guide ejector rod (41) completely covers the porous part.
5. A locally overheated self-curling transformer according to claim 4, wherein: a water guide cotton rod (10) penetrates through the inside of the water guide ejector rod (41), a gap is formed between one end of the water guide cotton rod (10) and the heat change connecting rod (11), and the other end of the water guide cotton rod (10) is in contact with the adhesive layer (6).
6. A locally overheated self-curling transformer according to claim 1, wherein: the air push sheet (9) is of a high-elasticity structure, the filling amount of water is not less than 50%, and the part of the water guide push rod (41) located in the thermal change hemisphere is completely submerged by the water surface on the water.
7. A locally overheated self-curling transformer according to claim 1, wherein: the middle of the curling end (51) is fixedly connected with light bags (12), fluorescent liquid is filled in the light bags (12), and the two light bags (12) are both in contact with the positioning rod (52).
8. A locally overheated self-curling transformer according to claim 7, wherein: the light bag (12) is of a flexible transparent structure, and along the extension direction of the positioning rod (52), the length of the light bag (12) is not more than half of the length of the positioning rod (52).
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| CN114476345A (en) * | 2022-04-02 | 2022-05-13 | 海门市圆德模塑科技有限公司 | Color-changing type high-heat early warning storage plastic barrel |
| CN117589308A (en) * | 2024-01-19 | 2024-02-23 | 合肥航谱时代科技有限公司 | Infrared core performance measurement system based on gas spectrum absorption principle |
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| CN112164556A (en) * | 2020-11-11 | 2021-01-01 | 福州清河源环保科技有限公司 | Transformer oil tank with anti-seepage warning function |
| CN212783008U (en) * | 2020-08-27 | 2021-03-23 | 石家庄士龙电力设备有限公司 | Reinforced transformer core clamp |
| CN113053624A (en) * | 2021-03-22 | 2021-06-29 | 南通市海王电气有限公司 | Local high-temperature light variation self-reminding transformer |
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| CN212783008U (en) * | 2020-08-27 | 2021-03-23 | 石家庄士龙电力设备有限公司 | Reinforced transformer core clamp |
| CN112164556A (en) * | 2020-11-11 | 2021-01-01 | 福州清河源环保科技有限公司 | Transformer oil tank with anti-seepage warning function |
| CN113053624A (en) * | 2021-03-22 | 2021-06-29 | 南通市海王电气有限公司 | Local high-temperature light variation self-reminding transformer |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114476345A (en) * | 2022-04-02 | 2022-05-13 | 海门市圆德模塑科技有限公司 | Color-changing type high-heat early warning storage plastic barrel |
| CN117589308A (en) * | 2024-01-19 | 2024-02-23 | 合肥航谱时代科技有限公司 | Infrared core performance measurement system based on gas spectrum absorption principle |
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