CN114220627A - Indoor high-safety oil-immersed transformer - Google Patents
Indoor high-safety oil-immersed transformer Download PDFInfo
- Publication number
- CN114220627A CN114220627A CN202111559779.7A CN202111559779A CN114220627A CN 114220627 A CN114220627 A CN 114220627A CN 202111559779 A CN202111559779 A CN 202111559779A CN 114220627 A CN114220627 A CN 114220627A
- Authority
- CN
- China
- Prior art keywords
- transformer
- oil
- elastic
- main body
- bottle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 210000004177 elastic tissue Anatomy 0.000 claims abstract description 36
- 238000001514 detection method Methods 0.000 claims abstract description 25
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims abstract description 16
- 230000001976 improved effect Effects 0.000 claims abstract description 8
- 239000000835 fiber Substances 0.000 claims description 22
- 239000002184 metal Substances 0.000 claims description 15
- 229910052751 metal Inorganic materials 0.000 claims description 15
- 230000003014 reinforcing effect Effects 0.000 claims description 10
- 238000005520 cutting process Methods 0.000 claims description 5
- 239000013013 elastic material Substances 0.000 claims description 3
- 230000006837 decompression Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 12
- 230000008569 process Effects 0.000 abstract description 12
- 230000009172 bursting Effects 0.000 abstract description 2
- 238000002955 isolation Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 59
- 238000007789 sealing Methods 0.000 description 20
- 238000007667 floating Methods 0.000 description 16
- 230000001965 increasing effect Effects 0.000 description 14
- 230000006698 induction Effects 0.000 description 9
- 230000000694 effects Effects 0.000 description 7
- 239000007788 liquid Substances 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 4
- 238000004804 winding Methods 0.000 description 4
- 238000009826 distribution Methods 0.000 description 3
- 241001391944 Commicarpus scandens Species 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- 238000004220 aggregation Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Images
Classifications
-
- 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
- H01F27/02—Casings
-
- 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
-
- 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
-
- 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
- H01F2027/404—Protective devices specially adapted for fluid filled transformers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Housings And Mounting Of Transformers (AREA)
Abstract
The invention discloses an indoor high-safety oil-immersed transformer, belonging to the field of oil-immersed transformers, wherein in the working process of the transformer, the temperature of transformer oil can be raised, so that the oil pressure is raised, and the threat to a transformer main body is caused, in the process of oil pressure raising, a pressure detection cover with lower structural strength can be firstly broken along the direction of a prefabricated groove before the transformer main body is damaged, the broken high-strength cover residue can damage a three-dimensional space structure formed by elastic fibers under the impact of inrush transformer oil and move to the lower half part of an acrylic bottle, the residue of the high-strength cover of the elastic fibers forms isolation, so that the elastic fibers are not easy to return into the transformer main body, the damage to the structure in the transformer main body is not easy to cause, the safety of the oil-immersed transformer can be greatly improved, in the indoor use process, the accident of transformer bursting is not easy to happen.
Description
Technical Field
The invention relates to the field of oil-immersed transformers, in particular to an indoor high-safety oil-immersed transformer.
Background
The oil-immersed transformer is a transformer taking petroleum liquid as a cooling object, compared with the traditional dry type transformer, the oil-immersed transformer has good oil insulation performance and heat conduction performance, and meanwhile, the transformer oil is low in price, so that the problems of large-capacity heat dissipation and high-voltage insulation of the transformer can be solved, and the oil-immersed transformer is widely applied to power supply and distribution systems of industrial and civil buildings, and except for a small-capacity copper conductor, a low-voltage winding of the oil-immersed transformer generally adopts a cylindrical structure of a copper foil around a shaft; the high-voltage winding adopts a multi-layer cylindrical structure, so that the ampere-turn distribution of the winding is balanced, the magnetic leakage is small, the mechanical strength is high, the short-circuit resistance is strong, and the transformer oil is isolated from the outside, so that the reduction of the insulating property caused by the entering of oxygen and moisture is effectively prevented; according to the five-point performance, the oil-immersed transformer is ensured not to be changed in normal operation, the maintenance cost of the transformer is greatly reduced, and the service life of the transformer is prolonged.
Indoor transformer, because of the safety consideration, usually will select dry-type transformer for use, because do not have transformer oil in the dry-type transformer, consequently need not consider seepage and fire control problem, can directly install in the distribution room, but compare in oil-immersed transformer, the coil once has just directly scrapped, is difficult to maintain, causes dry-type transformer use cost higher, becomes one of the important obstacles of dry-type transformer use.
However, once the oil-immersed transformer is over-voltage and burst in the using process, the transformer oil is easy to splash, and the transformer oil is inflammable, and after the transformer oil splashes, once the transformer oil meets open fire, the transformer oil is easy to ignite, so that a fire disaster is caused, and particularly in a relatively closed indoor environment, the fire disaster can quickly spread, so that the life and property safety of personnel are seriously threatened.
Disclosure of Invention
1. Technical problem to be solved
The invention aims to provide an indoor high-safety oil-immersed transformer, which can greatly improve the safety of the oil-immersed transformer, is not easy to cause accidents of transformer bursting, is not easy to induce fire disasters and is not easy to threaten the life and property safety of personnel in the indoor use process.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
An indoor high-safety oil-immersed transformer comprises a transformer main body, transformer oil is filled in the transformer main body, a mounting hole is formed in the bottom plate of the transformer main body and penetrates through the bottom plate of the transformer main body to communicate the inner side of the transformer main body with the outside, a pressure detection cover and a pressure relief bottle are connected in the mounting hole in a threaded manner and matched with the pressure detection cover, the pressure detection cover is located on the upper side of the pressure relief bottle, the structural strength of the pressure detection cover is smaller than that of the transformer main body, the pressure detection cover comprises a high-strength cover, a prefabricated groove is formed in the upper end of the high-strength cover, a plurality of capillary cracks are formed in the high-strength cover, the plurality of capillary cracks are the inner side of the high-strength cover, the plurality of capillary cracks are distributed in a staggered manner, the capillary cracks do not penetrate through the high-strength cover, the pressure relief bottle comprises an acrylic bottle, elastic fibers are fixedly connected to the bottom plate of the acrylic bottle, and are in a three-dimensional spiral shape, adjacent elastic fiber entangles and forms three-dimensional space spatial structure together, sliding connection has with self assorted loose collar in the ya keli bottle, and the density of loose collar is less than transformer oil's density, fixedly connected with forced induction ring on the ya keli bottle inner wall, forced induction ring is located the upside of loose collar, can realize increasing oil-immersed transformer's security by a wide margin, in indoor use, the difficult accident that takes place the transformer and bursts, be difficult for inducing the conflagration, be difficult for causing the threat to personnel's the security of the lives and property.
Furthermore, a plurality of metal fibers are buried in the high-strength cover, the metal fibers are all the inner sides of the prefabricated grooves, the size of the peeling part of the high-strength cover is increased, a large amount of scraps are not easy to generate, and the transformer oil in the transformer main body is not easy to pollute.
Furthermore, the metal fiber is made of high-density metal, so that the density of the peeled part of the high-strength cover is increased, and the bottom of the high-strength cover is easy to sink in the transformer oil.
Furthermore, elastic fiber is hollow structure, increases elastic fiber's deformability, is difficult for influencing in transformer oil gets into the ya keli bottle.
Furthermore, a plurality of splitting grooves are formed in the outer wall of the elastic fiber, and the outer wall of the elastic fiber is penetrated through the plurality of splitting grooves, so that hydraulic oil can penetrate through the cavity in the elastic fiber and the splitting grooves, and the transformer oil is not easy to influence local aggregation in a three-dimensional space formed by the elastic fiber.
Furthermore, the volume of the acrylic bottle is one twentieth of the total volume of the transformer oil filled in the transformer main body, so that the acrylic bottle can play a sufficient pressure relief role.
Further, the opening part fixedly connected with of pressure release bottle fills up with self assorted is sealed, and sealed the pad includes the elastic glue ring, and it has the elasticity cavity to open the chisel in the elastic glue ring, and the elasticity cavity intussuseption is filled with a plurality of elastic balls, and the lower extreme of pressure detection lid is opened the chisel have with sealed assorted seal groove, utilizes the cooperation between sealed pad and the seal groove, increases the sealed effect between pressure detection lid and the pressure release bottle for transformer oil is difficult for excessive, is difficult for inducing the incident.
Furthermore, the elastic rubber ring is internally embedded with a reinforcing net matched with the elastic cavity, the reinforcing net is woven by elastic materials, the overall strength of the sealing gasket is increased, and the sealing gasket is not easy to break and lose efficacy.
Further, fixedly connected with set fibre on the outer wall of elastic ball, adjacent elastic ball passes through the winding of set fibre together, keeps the spatial structure of the elastic ball of elasticity cavity intussuseption, is difficult for leading to the elasticity cavity part too concentrated under the exogenic action, is difficult for influencing sealed effect of filling up.
Furthermore, one end of the fixing fiber close to the inner wall of the elastic cavity penetrates through the inner wall of the elastic cavity and is fixedly connected with the reinforcing net, so that the capability of keeping the relative positions of a plurality of elastic balls is further increased, and the overall sealing effect of the sealing gasket is improved.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
in the scheme, a main transformer is connected with a power supply circuit, a secondary transformer is in a standby state, the temperature of transformer oil in a transformer main body can rise in the working process of the main transformer, so that the oil pressure rises, and the threat to the transformer main body is caused, in the oil pressure rising process, before the transformer main body is damaged, a pressure detection cover with lower structural strength can firstly break along the direction of a prefabricated groove, the stripped high-strength cover residue can damage a three-dimensional space structure formed by elastic fibers under the impact of the inrush transformer oil and move to the lower half part of an acrylic bottle, after the pressure relief bottle is filled with the transformer oil, the elastic fibers are not washed by the transformer oil, recover a three-dimensional spiral structure, isolate the residue of the high-strength cover, and enable the residue to be difficult to return to the inside of the transformer main body and not easy to damage the structure in the transformer main body, and the subsequent maintenance work on the transformer main body is reduced.
Meanwhile, the floating ring can rise along with the rise of the liquid level of the transformer oil in the acrylic bottle until the floating ring is in contact with the pressure sensing ring and applies pressure, the pressure sensing ring can upload the detected pressure of the floating ring to the control terminal in real time, once the pressure sensing ring detects the pressure caused by the floating of the floating ring, the control terminal directly accesses the auxiliary transformer into the power supply circuit, the main transformer is disconnected from the power supply circuit and enters a standby stage, the temperature and the oil pressure of the transformer oil inside the floating ring are not prone to rise due to continuous work, and safety accidents are not prone to be induced.
By doping metal fibers into the high-strength cover, the size of the peeling part of the high-strength cover is increased, a large amount of scraps are not easy to generate, the transformer oil in the transformer main body is not easy to pollute, the density of the peeling part of the high-strength cover is also increased, the high-strength cover is easy to sink in the transformer oil and not easy to return to the transformer main body again, and the influence on the normal work of the transformer is not easy to cause.
The safety of the oil-immersed transformer can be greatly improved, the transformer is not easy to burst in an indoor use process, a fire disaster is not easy to be induced, and the life and property safety of personnel is not easy to threaten.
Drawings
FIG. 1 is a schematic bottom view of a transformer according to the present invention;
FIG. 2 is a side cross-sectional view of a transformer of the present invention;
FIG. 3 is a schematic view of the construction of the pressure relief bottle and gasket of the present invention;
FIG. 4 is a side cross-sectional view of the pressure relief bottle and gasket of the present invention;
FIG. 5 is a schematic view of the structure at A in FIG. 4;
FIG. 6 is a schematic structural view of an elastic fiber of the present invention;
FIG. 7 is a schematic view of the pressure detecting cover according to the present invention;
FIG. 8 is a side cross-sectional view of the pressure sensing cap of the present invention;
FIG. 9 is a schematic view showing a change in the operation state of the pressure detection cover according to the present invention;
fig. 10 is a schematic diagram of the transformer operating system of the present invention.
The reference numbers in the figures illustrate:
1 transformer body, 2 pressure detection covers, 201 high-strength covers, 202 pre-grooves, 203 sealing grooves, 204 capillary cracks, 205 metal fibers, 3 pressure relief bottles, 301 ya keli bottles, 302 elastic fibers, 303 floating rings, 304 pressure induction rings, 4 sealing gaskets, 401 elastic rubber rings, 402 elastic cavities, 403 elastic balls, 404 fixing fibers, 405 reinforcing nets and 5 control terminals.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope 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; the connection can be direct connection or indirect connection through an intermediate medium, and can be communication inside the model adapting element. 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. 1-8, an indoor high-safety oil-immersed transformer includes a transformer body 1, transformer oil is filled in the transformer body 1, a mounting hole is drilled in a bottom plate of the transformer body 1, the mounting hole penetrates through the bottom plate of the transformer body 1 to communicate the inside of the transformer body 1 with the outside, a pressure detection cover 2 and a pressure relief bottle 3 matched with the pressure detection cover are in threaded connection in the mounting hole, the pressure detection cover 2 is located on the upper side of the pressure relief bottle 3, the structural strength of the pressure detection cover 2 is smaller than that of the transformer body 1, the pressure detection cover 2 includes a high-strength cover 201, a prefabricated groove 202 is drilled in the upper end of the high-strength cover 201, a plurality of capillary cracks 204 are drilled in the high-strength cover 201, the plurality of capillary cracks 204 are all the inside of the high-strength cover 201, the plurality of capillary cracks 204 are distributed in a staggered manner, the capillary cracks 204 do not penetrate through the high-strength cover 201, the pressure relief bottle 3 includes an acrylic bottle 301, fixedly connected with elastic fiber 302 on inferior gram force bottle 301's the bottom plate, a plurality of elastic fiber 302 all are three-dimensional heliciform, adjacent elastic fiber 302 entangles and forms three-dimensional space spatial structure together, and sliding connection has the floating ring 303 with self assorted in inferior gram force bottle 301, and the density of floating ring 303 is less than transformer oil's density, fixedly connected with pressure-sensitive ring 304 on inferior gram force bottle 301 inner wall, and pressure-sensitive ring 304 is located the upside of floating ring 303.
Referring to fig. 10, the working system for an indoor high-safety oil-immersed transformer includes an oil-immersed transformer set, the oil-immersed transformer set includes a main transformer and an auxiliary transformer, a pressure sensing ring 304 is disposed in the main transformer, the pressure sensing ring 304 is in signal connection with a control terminal 5, and the control terminal 5 is in signal connection with the auxiliary transformer.
It should be noted that the specific structure of the inside of the main transformer and the auxiliary transformer in the present embodiment is the disclosure of the present application, during the normal operation, the main transformer is connected to the power supply circuit, and the auxiliary transformer is in the standby state, during the operation of the main transformer, the temperature of the transformer oil in the transformer main body 1 will rise, and further the oil pressure will rise, and will threaten the main body of the transformer main body 1, and during the oil pressure rise, before the transformer main body 1 is damaged, the pressure detection cover 2 with slightly lower structural strength will first break along the direction of the preformed groove 202, especially, since a plurality of mutually penetrating capillary cracks 204 are chiseled in the high-strength cover 201, the portion where the high-strength cover 201 is peeled off will appear granular, the portion where the high-strength cover 201 is peeled off will not easily appear to cause the partial blockage of the pressure relief bottle 3, and the normal flow of the transformer oil into the pressure relief bottle 3 will not be easily affected, the peeled off high-strength cover 201 can damage the three-dimensional space structure formed by the elastic fiber 302 under the impact of the inrush transformer oil, and move to the lower half part of the acrylic bottle 301, after the pressure relief bottle 3 is filled with the transformer oil, the elastic fiber 302 is not washed by the transformer oil, the three-dimensional spiral structure is recovered, the residual part of the high-strength cover 201 is isolated, so that the residual part is not easy to return to the transformer main body 1, the structure in the transformer main body 1 is not easy to be damaged, the subsequent maintenance work on the transformer main body 1 is reduced, the floating ring 303 can rise along with the rise of the transformer oil liquid level along with the increase of the transformer oil liquid level in the acrylic bottle 301 until the residual part is contacted with the pressure induction ring 304 and applies pressure, the pressure induction ring 304 can upload the self detected pressure to the control terminal 5 in real time, once the pressure induction ring 304 detects the pressure caused by the floating ring 303, the control terminal 5 directly connects the auxiliary transformer into the power supply circuit, and the main transformer is disconnected from the power supply circuit, so that the standby stage is entered, the oil temperature and the oil pressure of the transformer in the main transformer are not easy to rise due to continuous work, and safety accidents are not easy to be induced.
In addition, the specific connection and switching manner of the main transformer and the auxiliary transformer with the power supply circuit are well known in the art, and those skilled in the art can reasonably design the switching circuit according to the existing structure to meet the use requirement of the present application, so that the detailed description is omitted in the present application.
The safety of the oil-immersed transformer can be greatly improved, the transformer is not easy to burst in an indoor use process, a fire disaster is not easy to be induced, and the life and property safety of personnel is not easy to threaten.
Referring to fig. 6-8, a plurality of metal fibers 205 are embedded in the high-strength cover 201, the plurality of metal fibers 205 are all located on the inner side of the prefabricated groove 202, the size of the peeling portion of the high-strength cover 201 is increased, a large amount of scraps are not easily generated, and pollution to transformer oil in the transformer body 1 is not easily caused, the metal fibers 205 are made of high-density metal, the density of the peeling portion of the high-strength cover 201 is increased, and the peeling portion is easily sunk in the transformer oil, the elastic fibers 302 are hollow, the deformation capability of the elastic fibers 302 is increased, the transformer oil is not easily influenced to enter the acrylic bottle 301, a plurality of cutting grooves are chiseled on the outer wall of the elastic fibers 302, and all the cutting grooves penetrate through the outer wall of the elastic fibers 302, so that hydraulic oil can permeate through the cavities and cutting grooves in the elastic fibers 302, and local aggregation of the transformer oil in the three-dimensional space formed by the elastic fibers 302 is not easily influenced, the volume of the acrylic bottle 301 is one twentieth of the total volume of the transformer oil filled in the transformer main body 1, so that the acrylic bottle 301 can play a sufficient pressure relief role.
The opening of the pressure relief bottle 3 is fixedly connected with a sealing gasket 4 matched with the sealing gasket 4, the sealing gasket 4 comprises an elastic rubber ring 401, an elastic cavity 402 is drilled in the elastic rubber ring 401, a plurality of elastic balls 403 are filled in the elastic cavity 402, a sealing groove 203 matched with the sealing gasket 4 is drilled at the lower end of the pressure detection cover 2, the sealing effect between the pressure detection cover 2 and the pressure relief bottle 3 is improved by utilizing the matching between the sealing gasket 4 and the sealing groove 203, so that the transformer oil is not easy to overflow and the safety accident is not easy to cause, a reinforcing net 405 matched with the elastic cavity 402 is embedded in the elastic rubber ring 401, the reinforcing net 405 is woven by an elastic material, the overall strength of the sealing gasket 4 is improved, the sealing gasket 4 is not easy to break and lose efficacy, fixing fibers 404 are fixedly connected to the outer wall of the elastic balls 403, the adjacent elastic balls 403 are wound together through the fixing fibers 404, and the space structure of the elastic balls 403 filled in the elastic cavity 402 is maintained, the elastic cavity 402 is not easily concentrated under the action of external force, the sealing effect of the sealing gasket 4 is not easily affected, one end of the fixing fiber 404 close to the inner wall of the elastic cavity 402 penetrates through the inner wall of the elastic cavity 402 and is fixedly connected with the reinforcing mesh 405, the capacity of keeping the relative positions of the elastic balls 403 is further increased, and the overall sealing effect of the sealing gasket 4 is increased.
In the scheme, a main transformer is connected with a power supply circuit, a secondary transformer is in a standby state, the temperature of transformer oil in a transformer main body 1 can rise in the working process of the main transformer, so that the oil pressure rises, and the main body 1 of the transformer is threatened, in the process of rising the oil pressure, before the transformer main body 1 is damaged, a pressure detection cover 2 with lower structural strength can firstly break along the direction of a prefabricated groove 202, the stripped residual part of a high-strength cover 201 can damage a three-dimensional space structure formed by elastic fibers 302 under the impact of the transformer oil flowing in and move to the lower half part of an acrylic bottle 301, after a pressure relief bottle 3 is filled with the transformer oil, the elastic fibers 302 are not washed by the transformer oil any more, recover the three-dimensional spiral structure, isolate the residual part of the high-strength cover 201, and enable the elastic fibers not to easily return to the inside of the transformer main body 1, the structure in the transformer main body 1 is not easy to be damaged, and the follow-up maintenance work on the transformer main body 1 is reduced.
Meanwhile, with the increase of the liquid level of the transformer oil in the acrylic bottle 301, the floating ring 303 rises along with the rise of the liquid level of the transformer oil until contacting with the pressure induction ring 304 and applying pressure, the pressure induction ring 304 uploads the detected pressure of the floating ring 303 to the control terminal 5 in real time, once the pressure induction ring 304 detects the pressure caused by the floating of the floating ring 303, the control terminal 5 directly connects the auxiliary transformer into the power supply circuit, the main transformer is disconnected from the power supply circuit and enters a standby stage, the oil temperature and the oil pressure of the transformer inside the transformer are not prone to rise due to continuous work, and safety accidents are not prone to be induced.
By doping the metal fibers 205 into the high-strength cover 201, the size of the peeling part of the high-strength cover 201 is increased, a large amount of scraps are not easy to generate, the transformer oil in the transformer main body 1 is not easy to be polluted, the density of the peeling part of the high-strength cover 201 is increased, the peeling part is easy to sink in the transformer oil and not easy to return to the transformer main body 1 again, and the influence on the normal operation of the transformer is not easy to be caused.
The safety of the oil-immersed transformer can be greatly improved, the transformer is not easy to burst in an indoor use process, a fire disaster is not easy to be induced, and the life and property safety of personnel is not easy to threaten.
The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.
Claims (10)
1. The utility model provides an indoor high security oil-immersed transformer that uses, includes transformer main part (1), its characterized in that: the transformer oil is filled in the transformer main body (1), the mounting hole is drilled on the bottom plate of the transformer main body (1), the mounting hole penetrates through the bottom plate of the transformer main body (1), the inner side and the outside of the transformer main body (1) are communicated, the pressure detection cover (2) and the pressure relief bottle (3) are in threaded connection in the mounting hole and matched with the mounting hole, the pressure detection cover (2) is located on the upper side of the pressure relief bottle (3), the structural strength of the pressure detection cover (2) is smaller than that of the transformer main body (1), the pressure detection cover (2) comprises a high-strength cover (201), a prefabricated groove (202) is drilled on the upper end of the high-strength cover (201), a plurality of capillary cracks (204) are drilled in the high-strength cover (201) and are distributed in a mutually staggered mode, and hairline crack (204) do not run through high-strength cover (201), pressure release bottle (3) are including ya keli bottle (301), fixed connection elastic fiber (302) on the bottom plate of ya keli bottle (301), it is a plurality of elastic fiber (302) all are three-dimensional heliciform, and are adjacent elastic fiber (302) entangle and form three-dimensional space spatial structure together, sliding connection has with self assorted superficial ring (303) in yakeli bottle (301), and the density of superficial ring (303) is less than the density of transformer oil, fixedly connected with pressure-sensitive ring (304) on yakeli bottle (301) inner wall, pressure-sensitive ring (304) are located the upside of superficial ring (303).
2. The indoor high-safety oil-immersed transformer according to claim 1, wherein: a plurality of metal fibers (205) are embedded in the high-strength cover (201), and the metal fibers (205) are all arranged on the inner side of the prefabricated groove (202).
3. The indoor high-safety oil-immersed transformer according to claim 2, wherein: the metal fibers (205) are made of high-density metal.
4. The indoor high-safety oil-immersed transformer according to claim 1, wherein: the elastic fiber (302) is of a hollow structure, and the deformation capacity of the elastic fiber (302) is improved.
5. The indoor high-safety oil-immersed transformer according to claim 1, wherein: the outer wall of the elastic fiber (302) is provided with a plurality of cutting grooves, and the cutting grooves penetrate through the outer wall of the elastic fiber (302).
6. The indoor high-safety oil-immersed transformer according to claim 1, wherein: the volume of the acrylic bottle (301) is one twentieth of the total volume of the transformer oil filled in the transformer main body (1).
7. The indoor high-safety oil-immersed transformer according to claim 1, wherein: the opening part fixedly connected with of decompression bottle (3) seals up (4) with self assorted, sealed pad (4) are including elastic rubber ring (401), elastic cavity (402) have been seted up in elastic rubber ring (401), elastic cavity (402) intussuseption is filled with a plurality of elastic balls (403), the lower extreme of pressure detection lid (2) is opened and is dug have with sealed pad (4) assorted seal groove (203).
8. The indoor high-safety oil-immersed transformer according to claim 7, wherein: a reinforcing net (405) matched with the elastic cavity (402) is embedded in the elastic rubber ring (401), and the reinforcing net (405) is woven by elastic materials.
9. The indoor high-safety oil-immersed transformer according to claim 7, wherein: the outer wall of the elastic ball (403) is fixedly connected with a fixing fiber (404), and the adjacent elastic balls (403) are wound together through the fixing fiber (404).
10. The indoor high-safety oil-immersed transformer according to claim 9, wherein: one end of the fixing fiber (404) close to the inner wall of the elastic cavity (402) penetrates through the inner wall of the elastic cavity (402) and is fixedly connected with the reinforcing net (405).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111559779.7A CN114220627A (en) | 2021-12-20 | 2021-12-20 | Indoor high-safety oil-immersed transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111559779.7A CN114220627A (en) | 2021-12-20 | 2021-12-20 | Indoor high-safety oil-immersed transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114220627A true CN114220627A (en) | 2022-03-22 |
Family
ID=80704166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111559779.7A Pending CN114220627A (en) | 2021-12-20 | 2021-12-20 | Indoor high-safety oil-immersed transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114220627A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115352188A (en) * | 2022-08-29 | 2022-11-18 | 马哈三 | Printing bagged ink with leakage-proof effect |
| CN116429275A (en) * | 2023-04-13 | 2023-07-14 | 广东电网有限责任公司佛山供电局 | Transformer oil level gauge special for turn-to-turn short circuit test |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014045114A (en) * | 2012-08-28 | 2014-03-13 | Hitachi Industrial Equipment Systems Co Ltd | Oil filled transformer |
| CN113077967A (en) * | 2021-03-18 | 2021-07-06 | 南通市海王电气有限公司 | Oil-immersed transformer with prevent sealed oil leak function |
| CN113410025A (en) * | 2021-06-09 | 2021-09-17 | 江苏悦成变压器有限公司 | Oil-immersed transformer with explosion-proof protection architecture |
| CN113470942A (en) * | 2021-09-01 | 2021-10-01 | 南通苏源恒炫电气有限公司 | Dry-type transformer for shopping mall |
-
2021
- 2021-12-20 CN CN202111559779.7A patent/CN114220627A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014045114A (en) * | 2012-08-28 | 2014-03-13 | Hitachi Industrial Equipment Systems Co Ltd | Oil filled transformer |
| CN113077967A (en) * | 2021-03-18 | 2021-07-06 | 南通市海王电气有限公司 | Oil-immersed transformer with prevent sealed oil leak function |
| CN113410025A (en) * | 2021-06-09 | 2021-09-17 | 江苏悦成变压器有限公司 | Oil-immersed transformer with explosion-proof protection architecture |
| CN113470942A (en) * | 2021-09-01 | 2021-10-01 | 南通苏源恒炫电气有限公司 | Dry-type transformer for shopping mall |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115352188A (en) * | 2022-08-29 | 2022-11-18 | 马哈三 | Printing bagged ink with leakage-proof effect |
| CN115352188B (en) * | 2022-08-29 | 2023-10-20 | 杭州晶彩纳米科技有限公司 | Bagged printing ink with anti-leakage effect for printing |
| CN116429275A (en) * | 2023-04-13 | 2023-07-14 | 广东电网有限责任公司佛山供电局 | Transformer oil level gauge special for turn-to-turn short circuit test |
| CN116429275B (en) * | 2023-04-13 | 2024-03-29 | 广东电网有限责任公司佛山供电局 | Transformer oil level gauge special for turn-to-turn short circuit test |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114220627A (en) | Indoor high-safety oil-immersed transformer | |
| CN103779132B (en) | A kind of SF 6 high-voltage circuit breaker for cold district | |
| CN204781115U (en) | On -line monitoring's fire hydrant | |
| CN205845656U (en) | A kind of oil-filled transformer | |
| CN103280545B (en) | Deep-water battery box | |
| CN110211755A (en) | Cage lightning arrester insulating cylinder and explosion-proof lightning arrester | |
| CN205666452U (en) | Explosion -proof switch board that safety in utilization is high | |
| CN114486089A (en) | Switch board bottom monitoring alarm system that leaks | |
| CN103647179A (en) | Sealed wall outlet electrical connector | |
| CN113235651A (en) | Waterproof construction at underground pipe gallery expansion joint | |
| CN108445345A (en) | A kind of household cable safety monitoring assembly | |
| CN113390938A (en) | Safety protection type liquid metal oxygen sensor | |
| CN202443919U (en) | DC (direct current) contactor | |
| CN114914800B (en) | Prevent transformer substation's switch board of intensity of a fire diffusion hail prevention | |
| CN209216792U (en) | A kind of compensation capacitor pressure relief | |
| CN108266540A (en) | A kind of control method of safety-valve | |
| CN115013741B (en) | Prefabricated directly-buried heat preservation pipe with energy saving monitoring function and monitoring method thereof | |
| CN208967172U (en) | A kind of electrically operated valve with antifreezing effect | |
| CN105137287A (en) | Electric transmission line information collecting and early-warning apparatus | |
| CN202585018U (en) | Internal-oil metal corrugated swollen oil conservator with self-protection function | |
| CN205263236U (en) | Transmission line information acquisition and early warning device | |
| CN210196577U (en) | Pressure relief valve of transformer | |
| CN113077967A (en) | Oil-immersed transformer with prevent sealed oil leak function | |
| CN202363526U (en) | Early warning type anti-explosion plug for lithium battery | |
| CN104670445A (en) | Submersible ultra-deep protective device and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20220322 |
|
| WD01 | Invention patent application deemed withdrawn after publication |