CN113517112A - Anti-leakage and fireproof oil-immersed transformer - Google Patents
Anti-leakage and fireproof oil-immersed transformer Download PDFInfo
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- CN113517112A CN113517112A CN202110324672.8A CN202110324672A CN113517112A CN 113517112 A CN113517112 A CN 113517112A CN 202110324672 A CN202110324672 A CN 202110324672A CN 113517112 A CN113517112 A CN 113517112A
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- 238000007789 sealing Methods 0.000 claims abstract description 58
- 238000001514 detection method Methods 0.000 claims abstract description 18
- 239000000523 sample Substances 0.000 claims abstract description 16
- 239000003795 chemical substances by application Substances 0.000 claims description 22
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims description 20
- 239000011261 inert gas Substances 0.000 claims description 17
- 239000007788 liquid Substances 0.000 claims description 15
- 239000000084 colloidal system Substances 0.000 claims description 13
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 10
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 claims description 10
- 229910000030 sodium bicarbonate Inorganic materials 0.000 claims description 10
- 235000017557 sodium bicarbonate Nutrition 0.000 claims description 10
- 239000001569 carbon dioxide Substances 0.000 claims description 5
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 5
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 3
- 230000009970 fire resistant effect Effects 0.000 claims description 3
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 claims description 2
- 230000006872 improvement Effects 0.000 description 9
- 230000002265 prevention Effects 0.000 description 8
- 230000017525 heat dissipation Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 239000004088 foaming agent Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 239000002198 insoluble material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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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
- H01F27/02—Casings
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/06—Fire prevention, containment or extinguishing specially adapted for particular objects or places of highly inflammable material, e.g. light metals, petroleum products
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/36—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device
- A62C37/38—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C5/00—Making of fire-extinguishing materials immediately before use
- A62C5/004—Making of fire-extinguishing materials immediately before use for producing carbon-dioxide snow, carbon-dioxide ice, carbon-dioxide gas, carbon-dioxide liquid, or mixtures thereof
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C5/00—Making of fire-extinguishing materials immediately before use
- A62C5/02—Making of fire-extinguishing materials immediately before use of foam
-
- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Housings And Mounting Of Transformers (AREA)
Abstract
The invention discloses a leakage-proof and fireproof oil-immersed transformer which comprises a transformer body, radiating fins, a fireproof box body, a sealing box and a plurality of propelling components, wherein the radiating fins are fixedly connected to two pairs of oppositely arranged side surfaces of the transformer body, the fireproof box body is arranged at the upper end of the transformer body, a first through hole corresponding to the transformer body is formed in the fireproof box body, the sealing box is fixedly arranged in the fireproof box body, a fire extinguishing agent is filled in the sealing box, the fire extinguishing agent can be diffused to the transformer body and the radiating fins through the first through hole, and the propelling components are fixedly arranged in the fireproof box body and used for pushing the fire extinguishing agent in the sealing box out of the first through hole. According to the invention, whether the transformer has oil leakage is judged by the oil leakage detection probe, when the oil leakage is found, the fire extinguishing agent can be actively released to extinguish the fire and protect the transformer, so that the occurrence of fire is avoided to the greatest extent, the transformer can be actively extinguished even if the fire occurs, and the transformer oil leakage detection probe has high safety and high reliability.
Description
Technical Field
The invention belongs to the technical field of transformers, and particularly relates to a leakage-proof and fireproof oil immersed transformer.
Background
Oil-immersed transformers use oil as the primary insulation means of the transformer and rely on oil as the cooling medium, such as oil-immersed self-cooling, oil-immersed air-cooling, oil-immersed water-cooling, forced oil circulation, etc. The main parts of the transformer include iron core, winding, oil tank, oil conservator, respirator, explosion-proof tube (pressure relief valve), radiator, insulating sleeve, tap switch, gas relay, thermometer, oil purifier, etc.
When the transformer works under high load, the temperature of oil is very high, if the transformer is originally in a high-temperature environment, once the oil in the transformer leaks accidentally, a fire disaster is easily caused, particularly, an oil-immersed transformer arranged outdoors has inflammable substances, once the fire disaster happens, the fire disaster can be easily found, the fire disaster can be spread, the rescue response speed is low, serious consequences can be caused, and a prevention and control means aiming at the oil leakage and the fire disaster in the transformer does not exist in the prior art.
Therefore, in view of the above technical problems, it is necessary to provide a leak-proof and fire-proof oil-immersed transformer.
Disclosure of Invention
The invention aims to provide a leakproof and fireproof oil-immersed transformer to solve the problems.
In order to achieve the above object, an embodiment of the present invention provides the following technical solutions:
a leakage-proof and fireproof oil immersed transformer comprises a transformer body, radiating fins, a fireproof box body, a sealing box and a plurality of propelling components;
the radiating fins are fixedly connected to two pairs of oppositely arranged side surfaces of the transformer body;
the fireproof box body is arranged at the upper end of the transformer body, and a first through hole corresponding to the transformer body is formed in the fireproof box body;
the sealing box is fixedly arranged in the fireproof box body, a fire extinguishing agent is filled in the sealing box, and the fire extinguishing agent can be diffused to the transformer body and the radiating fins through the first through holes;
and the plurality of propelling assemblies are fixedly arranged in the fireproof box body and used for pushing the fire extinguishing agent in the sealing box out of the first through hole.
As a further improvement of the invention, the upper end of the transformer body is fixedly connected with a connecting plate, and the connecting plate is fixedly connected with a connecting port and a plurality of first hoisting pieces.
As a further improvement of the invention, a connecting flange is fixedly connected between the connecting plate and the fireproof box body, the position of the connecting flange is coincided with the position of the first through hole, and a second through hole matched with the first through hole is formed in the connecting flange.
As a further improvement of the invention, a sealing plug is inserted into the second through hole and the first through hole, and the sealing plug is in interference fit with the first through hole and the second through hole.
As a further improvement of the invention, the fireproof box body is provided with a plurality of first sealing plates, a plurality of second sealing plates and a plurality of third sealing plates, and handles are arranged on the first sealing plates, the second sealing plates and the third sealing plates.
As a further improvement of the invention, the fire extinguishing agent comprises a liquid colloid, a first fire extinguishing ball and a second fire extinguishing ball, and the first fire extinguishing ball or the second fire extinguishing ball is insoluble in the liquid colloid.
As a further improvement of the invention, the maximum outer diameter of the first fire extinguishing ball or the second fire extinguishing ball is 1/20-1/10 of the diameter of the first through hole.
In a further improvement of the present invention, the first fire extinguishing ball is filled with an aluminum sulfate solution, and the second fire extinguishing ball is filled with a sodium bicarbonate solution.
As a further improvement of the invention, the propelling component comprises a compressed inert gas tank, an air outlet pipe, a solenoid valve component, a storage battery and a connecting wire, wherein one end of the air outlet pipe is positioned in the sealing box, the solenoid valve component is arranged on the air outlet pipe, and the connecting wire is electrically connected between the solenoid valve component and the storage battery;
the fire-proof box body is fixedly connected with a pair of oil leakage detection probes, and the oil leakage detection probes are electrically connected with the electromagnetic valve assembly.
As a further improvement of the invention, the compressed inert gas tank is filled with compressed inert gas, and the inert gas is one or two of nitrogen and carbon dioxide in any combination.
Compared with the prior art, the invention has the following advantages:
according to the invention, whether the transformer has oil leakage is judged by the oil leakage detection probe, when the oil leakage is found, the fire extinguishing agent can be actively released to extinguish the fire and protect the transformer, so that the occurrence of fire is avoided to the greatest extent, the transformer can be actively extinguished even if the fire occurs, and the transformer oil leakage detection probe has high safety and high reliability.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a first schematic structural diagram of a leak-proof and fire-proof oil-immersed transformer according to an embodiment of the present invention;
FIG. 2 is a schematic view of the structure at B in FIG. 1;
fig. 3 is a schematic structural diagram of a leak-proof and fire-proof oil-immersed transformer according to an embodiment of the present invention;
FIG. 4 is a front view of a leak-proof fire-resistant oil immersed transformer according to an embodiment of the present invention;
FIG. 5 is a cross-sectional view taken along line A-A of FIG. 4;
fig. 6 is a schematic structural view of the first fire extinguishing ball and the second fire extinguishing ball according to an embodiment of the present invention.
In the figure: 100. the transformer comprises a transformer body, 101 heat dissipation fins, 102 supports, 103 connecting plates, 104 connecting ports, 105 first lifting pieces, 200 fireproof box bodies, 201 first sealing plates, 202 second sealing plates, 203 third sealing plates, 204 second lifting pieces, 300 sealing boxes, 400 compressed inert gas tanks, 401 air outlet pipes, 501 electromagnetic valve assemblies, 502 storage batteries, 503 connecting wires, 600 fire extinguishing agents, 601 first fire extinguishing balls, 602 second fire extinguishing balls, 603 sealing plugs, aluminum sulfate solutions, 604 sodium bicarbonate solutions, 700 connecting flanges, 800 connecting flanges and 900 oil leakage detection probes.
Detailed Description
The present invention will be described in detail below with reference to embodiments shown in the drawings. The embodiments are not intended to limit the present invention, and structural, methodological, or functional changes made by those skilled in the art according to the embodiments are included in the scope of the present invention.
The invention discloses a leakage-proof fireproof oil immersed transformer, which comprises a transformer body 100, radiating fins 101, a fireproof box body 200, a sealing box 300 and a plurality of propelling components, wherein the transformer body is provided with a plurality of sealing grooves;
referring to fig. 1 or fig. 3, the heat dissipation fins 101 are fixedly connected to two pairs of oppositely disposed side surfaces of the transformer body 100, that is, the heat dissipation fins 101 are fixedly connected around the transformer body 100, so that the transformer body 100 can be well cooled.
The upper end fixedly connected with connecting plate 103 of transformer body 100, the lower extreme fixedly connected with support 102 of transformer body 100, connecting plate 103 are used for the support and the connection to other structures on fire prevention box 200 and the transformer, and fixedly connected with connector 104 on connecting plate 103, connector 104 are used for the connection to other structures on transformer body 100 on the transformer.
The connecting plate 103 is also fixedly connected with a plurality of first hoisting pieces 105, and the hoisting of the transformer can be realized through the plurality of first hoisting pieces 105.
Referring to fig. 1 to 5, the fire-proof box 200 is disposed at the upper end of the transformer body 100, the fire-proof box 200 is provided with a first through hole corresponding to the transformer body 100, and the divergent position of the first through hole corresponds to the transformer body 100.
Specifically, a connecting flange 800 is fixedly connected between the connecting plate 103 and the fire-proof box body 200, the connecting flange 800 is used for fixedly connecting the fire-proof box body 200 to the connecting plate 103, the position of the connecting flange 800 coincides with the position of the first through hole, and a second through hole matched with the first through hole is formed in the connecting flange 800.
In other words, the first through hole and the second through hole are overlapped and both correspond to the transformer body 100, and when liquid flows out of the transformer body 100, the liquid can directly flow out of the upper end of the transformer body 100 and can conveniently diffuse to the surface of the transformer body 100, namely the heat dissipation fin 101.
Referring to fig. 5, a sealing box 300 is fixedly connected in the fire-proof box body 200, the sealing box 300 is a sealing structure, a fire extinguishing agent 600 is filled in the sealing box 300, a third through hole matched with the first through hole and the second through hole is formed in the fire extinguishing agent 600, and the fire extinguishing agent 600 can be diffused to the transformer body 100 and the heat dissipation fins 101 through the third through hole, the first through hole and the second through hole.
Specifically, the fire extinguishing agent 600 includes a liquid colloid, a first fire extinguishing ball 601 and a second fire extinguishing ball 602, the first fire extinguishing ball 601 or the second fire extinguishing ball 602 is insoluble in the liquid colloid, the liquid colloid is a water-based liquid colloid, and the density of the liquid colloid is such that the first fire extinguishing ball 601 and the second fire extinguishing ball 602 are suspended in the liquid colloid, and the first fire extinguishing ball 601 and the second fire extinguishing ball 602 are uniformly mixed and distributed in the liquid colloid.
The liquid colloid can be formed by mixing water and fire extinguishing dry powder, the first fire extinguishing ball 601 and the second fire extinguishing ball 602 are made of water-insoluble materials and can be melted when meeting high temperature, and the first fire extinguishing ball 601 and the second fire extinguishing ball 602 are made of plastic materials, such as PVC, PE and the like, are small in thickness and are film-shaped and can be melted when meeting high temperature.
Referring to fig. 6, the first fire extinguishing ball 601 and the second fire extinguishing ball 602 may be made of the same material and have the same technical parameters, including size, wall thickness, etc., so that the versatility is strong and the production cost is saved.
Referring to fig. 6, the first fire extinguishing ball 601 is filled with an aluminum sulfate solution 603, and the second fire extinguishing ball 602 is filled with a sodium bicarbonate solution 604, when the spheres of the first fire extinguishing ball 601 and the second fire extinguishing ball 602 are melted, the aluminum sulfate solution 603 and the sodium bicarbonate solution 604 are mixed with each other to generate a large amount of carbon dioxide, thereby having oxygen-insulating and fire-extinguishing effects.
Preferably, a small amount of foaming agent is added in both the aluminum sulfate solution 603 and the sodium bicarbonate solution 604, and the aluminum sulfate solution 603 and the sodium bicarbonate solution 604 are mixed with each other to generate foam, which covers the transformer body 100, and can isolate the leaked oil from the air, reduce the temperature, and achieve the purpose of fire prevention and fire extinguishing.
In order to ensure that the first fire extinguishing ball 601 and the second fire extinguishing ball 602 can smoothly flow out of the third through hole, the first through hole and the second through hole, the maximum outer diameter of the first fire extinguishing ball 601 or the second fire extinguishing ball 602 is 1/20-1/10 of the aperture of the first through hole, in other words, the maximum outer diameter of the first fire extinguishing ball 601 or the second fire extinguishing ball 602 is far smaller than the aperture of the outflow channel, so that the first fire extinguishing ball 601 and the second fire extinguishing ball 602 can be ensured to smoothly flow out, and blockage is not easily caused.
Referring to fig. 5, a plurality of propelling assemblies are fixedly installed in the fire-proof box body 200 for propelling the fire extinguishing agent 600 in the sealing box 300 out of the first through-hole.
In order to ensure that the fire extinguishing agent 600 in the seal box 300 does not leak under the normal state, the sealing plug 700 is inserted into the second through hole and the first through hole, the sealing plug 700 is in interference fit with the first through hole and the second through hole, the sealing plug 700 can ensure that the fire extinguishing agent 600 in the seal box 300 cannot leak and flow out under the normal condition, and the sealing plug 700 can be ejected out only under the action of the propelling assembly, so that the fire extinguishing agent 600 flows out.
Referring to fig. 5, the propulsion assembly includes a compressed inert gas tank 400, an outlet pipe 401, a solenoid valve assembly 501, a storage battery 502 and a connection wire 503, wherein one end of the outlet pipe 401 is located in the sealed box 300, the solenoid valve assembly 501 is mounted on the outlet pipe 401, and the connection wire 503 is electrically connected between the solenoid valve assembly 501 and the storage battery 502.
The compressed inert gas tank 400 is filled with compressed inert gas, the electromagnetic valve assembly 501 can control whether the gas outlet pipe 401 sprays inert gas, the storage battery 502 is used for providing electric energy for the electromagnetic valve assembly 501 through a connecting wire 503, the electromagnetic valve assembly 501 comprises an electromagnetic valve and a control module, and the control module can control the opening and closing of the electromagnetic valve.
Specifically, inert gas is one or two kinds of arbitrary combinations in nitrogen gas and the carbon dioxide, is comparatively common inert gas, and the fire control effect is good, and use cost is low, and battery 502 is high temperature resistant battery, has high temperature resistant protective housing, can ensure the reliability.
Referring to fig. 1-2, a pair of oil leakage detection probes 900 is fixedly connected to the fire-proof box 200, the oil leakage detection probes 900 can detect whether oil leaks, the pair of oil leakage detection probes 900 are electrically connected to the solenoid valve assembly 501, that is, the oil leakage detection probes 900 are electrically connected to the control module, and can be used as a main signal source for controlling the solenoid valve to be opened by the control module.
Referring to fig. 1, fig. 3 and fig. 4, a plurality of first sealing plates 201 are installed to fire prevention box 200, a plurality of second sealing plates 202 and a plurality of third sealing plates 203, first sealing plate 201, all install the handle on second sealing plate 202 and the third sealing plate 203, with first sealing plate 201, be convenient for take off through the handle after second sealing plate 202 and the third sealing plate 203 are dismantled, through opening first sealing plate 201, second sealing plate 202 and third sealing plate 203 are convenient for overhaul the structure in fire prevention box 200 and maintain, need not to dismantle whole fire prevention box 200, can improve the change consumptive material or maintenance convenience by a wide margin.
The upper end of the fire-proof box body 200 is fixedly connected with a plurality of second hoisting pieces 204, so that the fire-proof box body 200 can be hoisted conveniently.
When the oil leakage detection device is used, the oil leakage detection probe 900 can detect whether the transformer body 100 leaks oil, the detection principle can be that the concentration of oil vapor is detected, when the detected concentration reaches a set threshold value, the electromagnetic valve assembly 501 is triggered to start, the inert gas in the compressed inert gas tank 400 is filled into the seal box 300, the pressure in the seal box 300 is rapidly increased, the seal plug 700 is ejected out, then the fire extinguishing agent 600 in the seal box 300 flows out or is ejected out, and most of the area of the transformer body 100 and the area of the heat dissipation fins 101 can be covered;
when the transformer body 100 is in fire, the sealing plug 700 is burned to be melted, and the fire extinguishing agent 600 in the sealing box 300 can flow out to cover most of the area of the transformer body 100 and the heat dissipation fins 101.
After the fire extinguishing agent 600 flows out, the liquid colloid is formed by mixing water and fire extinguishing dry powder, and has the effects of fire prevention and fire extinguishing, when high-temperature fire and other conditions occur, after the spheres of the first fire extinguishing ball 601 and the second fire extinguishing ball 602 are melted, the aluminum sulfate solution 603 and the sodium bicarbonate solution 604 are mixed with each other to generate a large amount of carbon dioxide, and the effects of oxygen isolation and fire extinguishing are achieved.
In addition, a small amount of foaming agent is added in the aluminum sulfate solution 603 and the sodium bicarbonate solution 604, and the aluminum sulfate solution 603 and the sodium bicarbonate solution 604 are mixed with each other to generate foam, so that leaked oil can be isolated from air, the temperature can be reduced, and the aims of fire prevention and fire extinguishment are fulfilled.
According to the technical scheme, the invention has the following beneficial effects:
according to the invention, whether the transformer has oil leakage is judged by the oil leakage detection probe, when the oil leakage is found, the fire extinguishing agent can be actively released to extinguish the fire and protect the transformer, so that the occurrence of fire is avoided to the greatest extent, the transformer can be actively extinguished even if the fire occurs, and the transformer oil leakage detection probe has high safety and high reliability.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. A leak-proof, fire-resistant oil-immersed transformer, comprising:
a transformer body;
the radiating fins are fixedly connected to two pairs of oppositely arranged side surfaces of the transformer body;
the transformer comprises a transformer body, a fireproof box body and a first connecting piece, wherein the fireproof box body is arranged at the upper end of the transformer body and is provided with a first through hole corresponding to the transformer body;
the sealing box is fixedly arranged in the fireproof box body, a fire extinguishing agent is filled in the sealing box, and the fire extinguishing agent can be diffused to the transformer body and the radiating fins through the first through holes;
and the plurality of propelling assemblies are fixedly arranged in the fireproof box body and used for pushing the fire extinguishing agent in the sealing box out of the first through hole.
2. A leak-proof and fire-proof oil immersed transformer according to claim 1, characterized in that a connection board is fixedly connected to the upper end of the transformer body, and a connection port and a plurality of first hoisting members are fixedly connected to the connection board.
3. A leakage-proof and fire-proof oil immersed transformer according to claim 2, characterized in that a connecting flange is fixedly connected between said connecting plate and said fire-proof box, the position of said connecting flange coincides with the position of said first through hole, said connecting flange is provided with a second through hole matching with said first through hole.
4. A leakage-proof and fire-proof oil immersed transformer according to claim 3, characterized in that sealing plugs are inserted in said second through hole and said first through hole, and said sealing plugs and said first through hole and said second through hole are in interference fit.
5. A leak-proof and fire-proof oil immersed transformer according to claim 1, wherein said fire-proof box body is equipped with a plurality of first sealing plates, a plurality of second sealing plates and a plurality of third sealing plates, and said first sealing plates, said second sealing plates and said third sealing plates are equipped with handles.
6. A leak resistant and fire resistant oil immersed transformer as recited in claim 1, wherein said fire extinguishing agent comprises a liquid colloid, a first fire extinguishing ball and a second fire extinguishing ball, said first fire extinguishing ball or said second fire extinguishing ball being insoluble in the liquid colloid.
7. A leak-proof and fire-proof oil immersed transformer according to claim 6, characterized in that the maximum outer diameter of said first or second fire extinguishing ball is 1/20-1/10 of the aperture of the first through hole.
8. A leak-proof and fire-proof oil immersed transformer according to claim 6 or 7, characterized in that said first fire extinguishing ball is filled with aluminum sulfate solution and said second fire extinguishing ball is filled with sodium bicarbonate solution.
9. A leak-proof and fire-proof oil immersed transformer according to claim 1, wherein said propulsion assembly comprises a compressed inert gas tank, an air outlet pipe, a solenoid valve assembly, a storage battery and a connecting wire, one end of said air outlet pipe is located in the sealed box, said solenoid valve assembly is mounted on the air outlet pipe, said connecting wire is electrically connected between the solenoid valve assembly and the storage battery;
the fire-proof box body is fixedly connected with a pair of oil leakage detection probes, and the oil leakage detection probes are electrically connected with the electromagnetic valve assembly.
10. A leak-proof and fire-proof oil immersed transformer according to claim 9, wherein said compressed inert gas tank is filled with compressed inert gas, and said inert gas is one or two of nitrogen and carbon dioxide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110324672.8A CN113517112A (en) | 2021-03-26 | 2021-03-26 | Anti-leakage and fireproof oil-immersed transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110324672.8A CN113517112A (en) | 2021-03-26 | 2021-03-26 | Anti-leakage and fireproof oil-immersed transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113517112A true CN113517112A (en) | 2021-10-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110324672.8A Pending CN113517112A (en) | 2021-03-26 | 2021-03-26 | Anti-leakage and fireproof oil-immersed transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113517112A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114272532A (en) * | 2021-12-31 | 2022-04-05 | 江苏天瑞变压器有限公司 | Transformer operation monitoring device |
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| US20160121148A1 (en) * | 2014-11-03 | 2016-05-05 | Abdulrahman A. Al-Hebshi | Fire Extinguishing System |
| CN208737976U (en) * | 2018-08-15 | 2019-04-12 | 天津润川电气设备科技有限公司 | Fire-proof oil-immersed power transformer |
| CN109859926A (en) * | 2018-11-27 | 2019-06-07 | 浙江日新电气有限公司 | The fire extinguishing of oil-immersed transformer or oil storage tank and oil recovery device |
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| CN110681090A (en) * | 2019-09-16 | 2020-01-14 | 国家电网有限公司 | Automatic fire extinguishing oil immersed transformer |
| CN211434846U (en) * | 2019-11-18 | 2020-09-08 | 山东天康达安防科技有限公司 | Transformer comprehensive fire prevention and control system |
| CN212485117U (en) * | 2020-06-10 | 2021-02-05 | 连云港明昊电子有限公司 | Sealed transformer |
| CN212700167U (en) * | 2020-07-16 | 2021-03-16 | 哲弗智能系统（上海）有限公司 | Passive fire extinguishing device and battery pack |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| GB322534A (en) * | 1928-09-08 | 1929-12-09 | John Bentley Hansell | Improvements in or relating to oil tanks for oil-immersed electrical apparatus such as transformers |
| US20160121148A1 (en) * | 2014-11-03 | 2016-05-05 | Abdulrahman A. Al-Hebshi | Fire Extinguishing System |
| CN208737976U (en) * | 2018-08-15 | 2019-04-12 | 天津润川电气设备科技有限公司 | Fire-proof oil-immersed power transformer |
| CN209766202U (en) * | 2018-09-26 | 2019-12-10 | 天津市祥源安高中频电源变压器有限公司 | lightning-protection and fire-prevention transformer |
| CN109859926A (en) * | 2018-11-27 | 2019-06-07 | 浙江日新电气有限公司 | The fire extinguishing of oil-immersed transformer or oil storage tank and oil recovery device |
| CN110681090A (en) * | 2019-09-16 | 2020-01-14 | 国家电网有限公司 | Automatic fire extinguishing oil immersed transformer |
| CN211434846U (en) * | 2019-11-18 | 2020-09-08 | 山东天康达安防科技有限公司 | Transformer comprehensive fire prevention and control system |
| CN212485117U (en) * | 2020-06-10 | 2021-02-05 | 连云港明昊电子有限公司 | Sealed transformer |
| CN212700167U (en) * | 2020-07-16 | 2021-03-16 | 哲弗智能系统（上海）有限公司 | Passive fire extinguishing device and battery pack |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114272532A (en) * | 2021-12-31 | 2022-04-05 | 江苏天瑞变压器有限公司 | Transformer operation monitoring device |
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