CN112473048B - Dry-type transformer fire prevention mechanism - Google Patents
Dry-type transformer fire prevention mechanism Download PDFInfo
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- CN112473048B CN112473048B CN202011345954.8A CN202011345954A CN112473048B CN 112473048 B CN112473048 B CN 112473048B CN 202011345954 A CN202011345954 A CN 202011345954A CN 112473048 B CN112473048 B CN 112473048B
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- shell
- sliding
- conducting plate
- cavity
- heat
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- 230000002265 prevention Effects 0.000 title claims description 5
- 238000006243 chemical reaction Methods 0.000 claims abstract description 39
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 30
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 16
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 14
- 239000002245 particle Substances 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims abstract description 5
- VTYYLEPIZMXCLO-UHFFFAOYSA-L calcium carbonate Substances [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 10
- 238000003756 stirring Methods 0.000 claims description 9
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 8
- 238000009423 ventilation Methods 0.000 claims description 7
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 2
- 239000001110 calcium chloride Substances 0.000 claims description 2
- 229910001628 calcium chloride Inorganic materials 0.000 claims description 2
- 239000008187 granular material Substances 0.000 claims description 2
- 238000001816 cooling Methods 0.000 description 5
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
-
- 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
- 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
-
- 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
- H01F27/02—Casings
- H01F27/025—Constructional details relating to cooling
Landscapes
- 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)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention discloses a fireproof mechanism of a dry-type transformer, which comprises a shell, wherein the side wall of the shell is provided with a plurality of vent holes, the upper end of the shell is provided with a sliding plug cavity, the inner wall of the sliding plug cavity is connected with a heat conducting plate in a sealing and sliding manner, the upper end of the heat conducting plate is elastically connected with the top of the sliding plug cavity through a memory spring, the shell is positioned below the sliding plug cavity and is provided with a reaction cavity, the top of the reaction cavity is connected with a sliding rod in a sealing and sliding manner, the upper end of the sliding rod is fixedly connected with the lower end of the heat conducting plate, and the top of the shell is fixedly connected with an air outlet pipe. According to the invention, the upper temperature of the memory spring reaches the deformation temperature, and then the memory spring contracts to drive the heat-conducting plate to slide upwards, so that the sliding rod slides upwards at the top in the reaction cavity, and as the lower part of the side wall of the sliding rod is in a conical shape, HCl solution in the sliding plug cavity enters the reaction cavity and reacts with CaCO when the sliding rod slides upwards3The particles react to generate carbon dioxide, and then a large amount of carbon dioxide is input into the shell through the exhaust pipe to extinguish fire in the shell.
Description
Technical Field
The invention relates to the technical field of transformers, in particular to a fireproof mechanism of a dry-type transformer.
Background
The dry type transformer is a transformer in which an iron core and a winding are not immersed in insulating oil, is widely used in places such as local lighting, high-rise buildings, airports, wharf mechanical equipment and the like, is a device for changing alternating voltage by using the principle of electromagnetic induction, and mainly has the functions of voltage conversion, current exchange, impedance conversion, isolation, voltage stabilization and the like.
The dry type transformer can produce a large amount of heat energy to the in-process that changes alternating voltage, though there are natural air cooling and forced air cooling to the cooling method of dry type transformer at present, but when the high load operation of dry type transformer and ambient temperature are higher, can't make the heat in the dry type transformer reach timely giving off through natural air cooling and forced air cooling this moment, and then the temperature in the dry type transformer can rise gradually, make the easy overheated blowout of coil in the dry type transformer, the serious person takes place the phenomenon of catching a fire, cause economic property loss.
Based on the above, the invention provides a dry-type transformer fireproof mechanism.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a dry-type transformer fireproof mechanism which achieves the deformation temperature through the temperature on a memory spring, then the memory spring contracts to drive a heat conducting plate to slide upwards, so that a sliding rod slides upwards at the top in a reaction cavity, and as the lower part of the side wall of the sliding rod is in a conical shape, HCl solution in a sliding plug cavity enters the reaction cavity and is mixed with the HCl solution in the sliding plug cavity when the sliding rod slides upwardsCaCO3The particles react to generate carbon dioxide, and then a large amount of carbon dioxide is input into the shell through the exhaust pipe to extinguish fire in the shell.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a dry-type transformer fire prevention mechanism, includes the casing, a plurality of ventilation holes have been seted up to the casing lateral wall, the sliding plug chamber has been seted up to the casing upper end, the sealed sliding connection of sliding plug intracavity wall has the heat-conducting plate, memory spring and sliding plug intracavity top elastic connection are passed through to the heat-conducting plate upper end, the reaction chamber has been seted up to the below that the casing is located the sliding plug chamber, the sealed sliding connection in reaction intracavity top has the slide bar, slide bar upper end and heat-conducting plate lower extreme fixed connection, top fixedly connected with outlet duct in the casing, the reaction intracavity wall passes through blast pipe and outlet duct inner wall fixed connection, heat conduction strip and heat-conducting plate lateral wall fixed connection are passed through at the top in the casing.
Preferably, a plurality of the ventilation hole inner wall fixed connection has a flexible section of thick bamboo, sliding plug chamber inner wall top is through intake pipe and flexible section of thick bamboo inner wall fixed connection.
Preferably, HCl solution is arranged in a closed space formed by the lower end of the heat-conducting plate and the inner wall of the sliding plug cavity, CaCO is arranged in the reaction cavity3And particles, wherein the lower part of the side wall of the sliding rod is in a conical shape.
Preferably, the bottom of the reaction cavity is rotatably connected with a vertical rod, the upper end of the vertical rod penetrates through the bottom of the sliding plug cavity and is rotatably connected with the top of the sliding plug cavity, threads are formed in the upper portion of the side wall of the vertical rod, a sliding block is connected to the upper portion of the side wall of the vertical rod in a threaded manner, the lower end of the sliding block is fixedly connected with the upper end of the heat conducting plate through a fixing rod, and the vertical rod is located on a plurality of stirring rods fixedly connected with the side wall of the reaction cavity.
The invention has the following beneficial effects:
1. through setting up heat conduction strip, heat-conducting plate, memory spring, slide bar and reaction chamber, when the internal fire of casing, heat conduction strip is with heat transfer to the heat-conducting plate in the casing this moment for the temperature on the memory spring reaches its deformation temperature, and then the memory spring shrink drive on the heat-conducting plateThe sliding rod slides upwards at the top part in the reaction cavity, and the HCl solution in the sliding plug cavity enters the reaction cavity and reacts with CaCO when the sliding rod slides upwards due to the conical shape below the side wall of the sliding rod3The particles react to generate carbon dioxide, and then a large amount of carbon dioxide is input into the shell through the exhaust pipe to extinguish the fire in the shell;
2. by arranging the elastic cylinder and the air inlet pipe, the heat conducting plate slides upwards to extrude the gas in the sliding plug cavity into the elastic cylinder, so that the elastic cylinder expands to block the ventilation hole, external air cannot enter the shell, the supply of oxygen in the shell is isolated, and the extinguishing of fire is accelerated;
3. through setting up montant, slider and puddler, slide on the heat-conducting plate and make the slider go up the slide, and then drive the montant and rotate for the puddler rotates CaCO3Stirring the particles to accelerate the mixing of HCl solution and CaCO3The reaction efficiency of the particles further accelerates the extinguishing of the fire in the shell.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1;
FIG. 3 is a schematic structural diagram of a second embodiment of the present invention;
fig. 4 is an enlarged schematic view of the structure at B in fig. 3.
In the figure: the device comprises a shell 1, a vent hole 2, a sliding plug cavity 3, a heat conducting plate 4, a memory spring 5, a reaction cavity 6, a sliding rod 7, an air outlet pipe 8, an air outlet pipe 9, a heat conducting strip 10, an elastic cylinder 11, an air inlet pipe 12, a vertical rod 13, a sliding block 14 and a stirring rod 15.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed as broadly as the present invention is capable of modification in various respects, all without departing from the spirit and scope of the present invention.
Example one
Referring to fig. 1-2, a dry-type transformer fire prevention mechanism, including casing 1, a plurality of ventilation holes 2 have been seted up to casing 1 lateral wall, smooth stopper chamber 3 has been seted up to casing 1 upper end, smooth stopper chamber 3 inner wall sealing sliding connection has heat-conducting plate 4, heat-conducting plate 4 upper end is through memory spring 5 and smooth stopper intracavity 3 interior top elastic connection, casing 1 is located smooth stopper chamber 3's below and has been seted up reaction chamber 6, the sealed sliding connection in top has slide bar 7 in reaction chamber 6, slide bar 7 upper end and heat-conducting plate 4 lower extreme fixed connection, top fixedly connected with outlet duct 8 in casing 1, 6 inner walls in reaction chamber pass through blast pipe 9 and 8 inner wall fixed connections of outlet duct, top passes through heat conduction strip 10 and 4 lateral walls fixed connection in casing 1.
It should be noted that the lower end of the heat conducting plate 4 is provided with a heat insulating layer, so that the heat on the heat conducting plate 4 is prevented from entering HCl solution, the temperature on the memory spring 5 is prevented from being increased, the fire in the shell 1 is prevented from being extinguished timely, and the heat conducting strip 10 can slide on the side wall of the shell 1 and can transfer heat on the heat conducting plate 4 all the time.
2 inner wall fixedly connected with elastic tube 11 in a plurality of ventilation holes, 3 inner wall tops in sliding plug chamber are through intake pipe 12 and 11 inner wall fixed connection of elastic tube, and further, elastic tube 11 adopts high temperature resistant elastic material to make, damages under the high temperature environment in the 11 interior casing of elastic tube 1.
HCl solution is arranged in a closed space formed by the lower end of the heat conducting plate 4 and the inner wall of the sliding plug cavity 3, CaCO is arranged in the reaction cavity 63Granules, HCl solution and CaCO3The reaction equation for the particles is: 2HCl + CaCO3＝CaCl2+H2O+CO2×) so that the carbon dioxide generated in the reaction chamber 6 enters the housing 1 to increase the content of the carbon dioxide in the housing 1.
Slide bar 7 lateral wall below is the toper form, and is further, when slide bar 7 slided and makes its lateral wall below and casing 1 upper end contact, in the HCl solution in the sliding plug chamber 3 can pass through the clearance between casing 1 and the slide bar 7 slowly gradually add reaction chamber 6 this moment, avoids adding the HCl solution in reaction chamber 6 too much, leads to the waste of HCl solution.
This implementationIn the embodiment, when a fire breaks out in the shell 1, the temperature in the shell 1 rises at the moment, the heat conducting strip 10 transfers the temperature in the shell 1 to the heat conducting plate 4, the heat conducting plate 4 supplies heat to the memory spring 5, the temperature on the memory spring 5 rises gradually and is higher than the deformation temperature of the memory spring, the memory spring 5 contracts to drive the heat conducting plate 4 to slide upwards, the sliding rod 7 fixedly connected to the lower end of the heat conducting plate 4 slides upwards, the lower part of the side wall of the sliding rod 7 is in a conical shape, when the lower part of the side wall of the sliding rod 7 slides upwards to be in contact with the upper end of the shell 1, the HCl solution in the sliding plug cavity 3 is slowly and gradually added into the reaction cavity 6 through the gap between the shell 1 and the sliding rod 7 at the moment, and the HCl solution and the CaCO C3The particles react to generate carbon dioxide, and the generated carbon dioxide enters the air outlet pipe 8 through the air outlet pipe 9, so that a large amount of carbon dioxide is input into the shell 1, the content of the carbon dioxide in the shell 1 is increased, and the purpose of extinguishing fire in the shell 1 is achieved;
when sliding on the heat conducting plate 4, the space of the sliding plug cavity 3 above the heat conducting plate 4 is reduced, and then the gas in the sliding plug cavity 3 enters the elastic cylinder 11 through the air inlet pipe 12, so that the elastic cylinder 11 expands to block the air vent 2, and the external air can not enter the shell 1, so that the supply of oxygen in the shell 1 is isolated, and the extinguishing of the fire is accelerated.
Example two
Referring to fig. 3-4, the difference from the first embodiment is that the bottom of the reaction chamber 6 is rotatably connected with a vertical rod 13, the upper end of the vertical rod 13 penetrates through the bottom of the sliding plug chamber 3 and is rotatably connected with the top of the sliding plug chamber 3, a thread is arranged above the side wall of the vertical rod 13, a sliding block 14 is in threaded connection above the side wall of the vertical rod 13, the lower end of the sliding block 14 is fixedly connected with the upper end of the heat conducting plate 4 through a fixing rod, and the side wall of the vertical rod 13 located in the reaction chamber 6 is fixedly connected with a plurality of stirring rods 15.
In this embodiment, when the heat conducting plate 4 slides upwards, the heat conducting plate 4 drives the sliding block 14 to slide upwards through the fixing rod, and then drives the vertical rod 13 connected with the side wall thread of the sliding block 14 to slide, and drives the stirring rod 15 fixedly connected with the lower end of the vertical rod 13 to rotate, so that the stirring rod 15 is used for stirring CaCO3Stirring the particles to accelerate the mixing of HCl solution and CaCO3The reaction efficiency of the particles is further accelerated in the case 1Extinguishing fire.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (3)
1. The fireproof mechanism of the dry-type transformer comprises a shell (1), wherein a plurality of ventilation holes (2) are formed in the side wall of the shell (1), and is characterized in that a sliding plug cavity (3) is formed in the upper end of the shell (1), a heat-conducting plate (4) is connected to the inner wall of the sliding plug cavity (3) in a sealing and sliding manner, the upper end of the heat-conducting plate (4) is elastically connected with the inner top of the sliding plug cavity (3) through a memory spring (5), a reaction cavity (6) is formed below the sliding plug cavity (3) in the shell (1), a sliding rod (7) is connected to the inner top of the reaction cavity (6) in a sealing and sliding manner, the upper end of the sliding rod (7) is fixedly connected with the lower end of the heat-conducting plate (4), an air outlet pipe (8) is fixedly connected to the inner top of the shell (1), and the inner wall of the reaction cavity (6) is fixedly connected with the inner wall of the air outlet pipe (8) through an exhaust pipe (9);
the inner walls of the plurality of ventilation holes (2) are fixedly connected with elastic cylinders (11), and the upper parts of the inner walls of the sliding plug cavities (3) are fixedly connected with the inner walls of the elastic cylinders (11) through air inlet pipes (12);
HCl solution is arranged in a closed space formed by the lower end of the heat-conducting plate (4) and the inner wall of the sliding plug cavity (3), CaCO is arranged in the reaction cavity (6)3Granules, HCl solution and CaCO3The reaction equation for the particles is: 2HCl + CaCO3=CaCl2+H2O+CO2℃, (b) so that carbon dioxide generated in the reaction cavity (6) enters the shell (1) to increase the content of the carbon dioxide in the shell (1); the lower part of the side wall of the sliding rod (7) is in a conical shape.
2. Dry transformer fire protection mechanism according to claim 1, characterized in that the top inside the housing (1) is fixedly connected to the side walls of the heat conducting plate (4) by means of heat conducting strips (10).
3. The dry-type transformer fire prevention mechanism of claim 1, wherein a vertical rod (13) is rotatably connected to the bottom of the reaction chamber (6), the upper end of the vertical rod (13) penetrates through the bottom of the sliding plug chamber (3) and is rotatably connected with the top of the sliding plug chamber (3), a thread is formed above the side wall of the vertical rod (13), a sliding block (14) is rotatably connected above the side wall of the vertical rod (13), the lower end of the sliding block (14) is fixedly connected with the upper end of the heat conducting plate (4) through a fixing rod, and a plurality of stirring rods (15) are fixedly connected to the side wall of the vertical rod (13) in the reaction chamber (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011345954.8A CN112473048B (en) | 2020-11-25 | 2020-11-25 | Dry-type transformer fire prevention mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011345954.8A CN112473048B (en) | 2020-11-25 | 2020-11-25 | Dry-type transformer fire prevention mechanism |
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| Publication Number | Publication Date |
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| CN112473048A CN112473048A (en) | 2021-03-12 |
| CN112473048B true CN112473048B (en) | 2021-11-19 |
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| CN113629512B (en) * | 2021-08-25 | 2023-10-24 | 安徽富煌电力装备科技有限公司 | Fireproof distributed photovoltaic grid-connected cabinet |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| EP2489411A1 (en) * | 2011-02-17 | 2012-08-22 | Minimax GmbH & Co KG | Energy-independent release device for a controlled extinguisher |
| CA3085340C (en) * | 2017-12-14 | 2024-01-02 | Adaptive Global Solutions, LLC | Fire resistant aerial vehicle for suppressing widespread fires |
| CN108365268B (en) * | 2018-02-10 | 2019-11-08 | 江苏英能新能源科技有限公司 | A kind of lithium ion battery aging equipment and aging method |
| CN208208010U (en) * | 2018-06-15 | 2018-12-07 | 重庆懿熙品牌策划有限公司 | A kind of warehouse and its self-service bank |
| JP6952017B2 (en) * | 2018-08-31 | 2021-10-20 | 古河電気工業株式会社 | Fire protection member, manufacturing method of fire protection member and fire protection structure |
| CN210192395U (en) * | 2019-05-22 | 2020-03-27 | 亚洲创建奕宏化工（河源）有限公司 | Methanol storage tank automatic spray heat sink |
| CN111029945B (en) * | 2019-12-20 | 2021-04-13 | 东营市南方电器有限责任公司 | Switch board that security performance is good |
| CN111335935B (en) * | 2020-02-28 | 2021-07-20 | 杭州启护信息科技有限公司 | Fire extinguishing device for underground coal mine |
| CN111346319B (en) * | 2020-03-12 | 2021-10-29 | 柳友军 | Isolated fire extinguishing system for underground coal mine |
| CN111963029A (en) * | 2020-08-21 | 2020-11-20 | 周倩倩 | Fireproof door plate with cooling and heat insulation functions |
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Effective date of registration: 20231124 Address after: 430000, No. 1-03, Rear Building, Shizaihu Pump Station, Shekou Street, Huangpi District, Wuhan City, Hubei Province Patentee after: Wuhan Xingyuchen Electrical Equipment Co.,Ltd. Address before: No. 103, Building 1, Huilong Village Industrial Zone, Qiuai Town, Yinzhou District, Ningbo City, Zhejiang Province, 315000 Patentee before: Ningbo Qianyi Energy Saving Technology Co.,Ltd. |
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