CN113346372A - Magnetic-resistance and sun-proof high-voltage power distribution cabinet - Google Patents
Magnetic-resistance and sun-proof high-voltage power distribution cabinet Download PDFInfo
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- CN113346372A CN113346372A CN202110706459.3A CN202110706459A CN113346372A CN 113346372 A CN113346372 A CN 113346372A CN 202110706459 A CN202110706459 A CN 202110706459A CN 113346372 A CN113346372 A CN 113346372A
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- distribution cabinet
- power distribution
- voltage power
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- high voltage
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
- C09D1/02—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances alkali metal silicates
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/38—Paints containing free metal not provided for above in groups C09D5/00 - C09D5/36
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The invention discloses a magnetic-resistance and sun-proof high-voltage power distribution cabinet, which can effectively avoid the influence of rainwater on the high-voltage power distribution cabinet through the design of heat dissipation holes and a top cover; the magnetic-resistance and sun-protection layer is arranged, so that an electromagnetic field generated by the work of the high-voltage power distribution cabinet can be shielded, the magnetism is effectively resisted, and outdoor lightning stroke can be prevented; meanwhile, most sunlight can be reflected by the magnetic-resistant sun-proof layer, and external heat can be efficiently prevented from being transferred into the high-voltage power distribution cabinet by the aerogel structure, so that the working temperature of the high-voltage power distribution cabinet can be effectively reduced; the transparent scattering layer is arranged and used for dispersing the light reflected by the magnetism-resisting and sun-screening layer and preventing light pollution.
Description
Technical Field
The invention relates to a high-voltage power distribution cabinet preparation technology, in particular to a magnetic-resistance and sun-proof high-voltage power distribution cabinet.
Background
The high-voltage power distribution cabinet is an electrical appliance product which is used for power generation, power transmission, power distribution, electric energy conversion and consumption of an electric power system and plays roles of on-off, control or protection and the like, and has a voltage grade of 3.6-550 kV, and mainly comprises a high-voltage circuit breaker, a high-voltage isolating switch, a grounding switch, a high-voltage load switch, a high-voltage automatic reclosing and sectionalizing device, a high-voltage operating mechanism, a high-voltage explosion-proof power distribution device, a high-voltage switch cabinet and the like. The high-voltage switch manufacturing industry is an important component of the power transmission and transformation equipment manufacturing industry and plays a very important role in the whole power industry.
High-voltage distribution cabinet is because the effect of inside electric field, generates strong magnetic field easily, causes harmful effects to the health near resident's house, if in thunderstorm weather, the fluctuation of strong electromagnetic field easily causes the thunderbolt moreover, causes economic loss. In addition, in the prior art, the outdoor high-voltage power distribution cabinet has no sun-proof measures, the internal temperature of the high-voltage power distribution cabinet is very high in summer, potential safety hazards are formed, and the power utilization safety is influenced.
Disclosure of Invention
The invention discloses a magnetic-resistance and sun-proof high-voltage power distribution cabinet, which achieves the aim of preventing magnetism and sun of the high-voltage power distribution cabinet by arranging a magnetic-resistance and sun-proof layer.
A magnetic-resistance and sun-protection high-voltage power distribution cabinet comprises a cabinet body 1, wherein the top of the cabinet body 1 is connected with a top cover 2, and a plurality of heat dissipation holes 3 are formed in the position, close to the top cover 2, of the cabinet body 1; the top cover 2 is respectively provided with a hard substrate layer 21, a magnetism-resisting and sun-screening layer 22 and a transparent scattering layer 23 from bottom to top.
Further, the lowest position of the heat dissipation holes 3 is higher than the lowest position of the top cover 2, so that the heat dissipation holes 3 can prevent strong wind from rainwater horizontally.
Furthermore, the heat dissipation holes 3 are arranged in an inclined manner with a high outer part and a low inner part, so that the rainwater-proof effect is further enhanced.
Further, the hard substrate layer 21 is made of wood board or plywood.
Further, the material used for the transparent scattering layer 23 is PC or PET.
Further, the outer surface of the transparent scattering layer 23 is a sawtooth structure for dispersing the light reflected by the magnetic blocking and sun blocking layer 22 and preventing light pollution.
Further, the preparation method of the magnetic-blocking sunscreen layer 22 comprises:
(1) dissolving water glass in water to prepare a 3-5% water glass solution, then adding absolute ethyl alcohol to dilute until the content of the ethyl alcohol is 90-95%, adding tetraethoxysilane after complete dispersion until the content of the tetraethoxysilane is 30-40%, and preparing an tetraethoxysilane solution after complete dissolution;
(2) adding 0.5 per mill of wetting dispersant into the tetraethoxysilane solution prepared in the step (1), after completely dispersing, adding 1-3% of mixed micro powder of aluminum powder and iron powder in a mass ratio of 2:1, and stirring and dispersing at high speed to prepare an aluminum powder suspension;
(3) dissolving oxalic acid in absolute ethyl alcohol to prepare an oxalic acid ethanol solution with the mass fraction of 10% -20%, slowly dropwise adding the oxalic acid ethanol solution to the aluminum powder suspension prepared in the step (2) under the condition of stirring until the pH value of the system is adjusted to 3.5-4.0, reacting for 10-20 min, adding dilute ammonia water, adjusting the pH value of the system to 6.0-6.5, and standing for 2 days to age and gel;
(4) placing the gel prepared in the step (3) in a drying oven at 20-30 ℃, soaking the gel in absolute ethyl alcohol after losing weight of 20-30%, and then aging the gel for 1 day at 50-55 ℃; placing the aged product in a drying box at 30-40 ℃, soaking the product in acetone after losing weight of 30-40%, and then aging the product for 1 day at 40-50 ℃; and (3) placing the aged mixture in a drying oven at 30-40 ℃, soaking the aged mixture in acetone after losing weight of 50-60%, repeating the operation for 3-4 times, and placing the soaked mixture in the drying oven at 50-55 ℃ for drying for 2-3 days to obtain the magnetic resistance sun-screening layer.
Further, the wetting dispersant is 1100W type high molecular polyester dispersant.
Further, the aluminum powder and the iron powder are preferably superfine powder with the particle size of 1-5 mu m.
Further, the aluminum powder suspension coating prepared in the step (2) is coated inside the cabinet body 1, so that the overall magnetic resistance performance of the high-voltage power distribution cabinet is improved.
The invention has the advantages that:
1. according to the invention, through the design of the heat dissipation holes and the top cover, the influence of rainwater on the high-voltage power distribution cabinet can be effectively avoided;
2. according to the invention, the magnetic resistance and sun protection layer can shield an electromagnetic field generated by the work of the high-voltage power distribution cabinet, so that the magnetic resistance is effectively realized, and outdoor lightning stroke can be prevented;
3. according to the invention, most sunlight can be reflected out through the magnetic-blocking sun-proof layer, and meanwhile, the aerogel structure can efficiently block external heat from being transferred into the high-voltage power distribution cabinet, so that the working temperature of the high-voltage power distribution cabinet can be effectively reduced;
4. the invention uses the transparent scattering layer to disperse the light reflected by the magnetism-resisting and sun-proof layer, thereby preventing light pollution.
Drawings
Fig. 1 is a cross-sectional view of a high voltage distribution cabinet according to the invention;
FIG. 2 is an enlarged, layered view of the overcap of the present invention;
FIG. 3 is a schematic front view of a heat dissipation hole of the present invention;
in the figure, 1-cabinet body, 2-top cover, 21-hard substrate layer, 22-magnetism-resisting sun-proof layer, 23-transparent scattering layer and 3-heat dissipation hole
Detailed Description
Example 1
A magnetic-resistance and sun-proof high-voltage power distribution cabinet is shown in figure 1 and comprises a cabinet body 1, wherein the top of the cabinet body 1 is connected with a top cover 2, and a plurality of heat dissipation holes 3 are formed in the position, close to the top cover 2, of the cabinet body 1; the top cover 2 is provided with a hard substrate layer 21, a magnetism-blocking sunscreen layer 22 and a transparent scattering layer 23 from bottom to top, as shown in fig. 2.
The lowest position of the heat dissipation holes 3 is higher than the lowest position of the top cover 2, so that the heat dissipation holes 3 can prevent strong wind and horizontal rainwater. The heat dissipation holes 3 are arranged in a manner that the outer part is higher and the inner part is lower, as shown in fig. 3, so that the rainwater-proof effect is further enhanced.
The hard substrate layer 21 is made of plywood.
The transparent scattering layer 23 is made of PET, and has a saw-tooth structure on its outer surface for dispersing the light reflected by the magnetic-blocking and sun-blocking layer 22 to prevent light pollution.
The preparation method of the magnetism-resisting and sun-screening layer 22 comprises the following steps:
(1) dissolving water glass in water to prepare a 4% water glass solution, then adding absolute ethyl alcohol to dilute until the content of the ethyl alcohol is 94%, adding tetraethoxysilane after complete dispersion until the content of the tetraethoxysilane is 38%, and preparing an tetraethoxysilane solution after complete dissolution;
(2) adding 0.5 per mill 1100W type high molecular polyester dispersing agent into the tetraethoxysilane solution prepared in the step (1), after completely dispersing, adding 2 percent of mixed micro powder of aluminum powder and iron powder in a mass ratio of 2:1, wherein the particle size of the mixed micro powder is 3 microns, and stirring and dispersing at high speed to prepare an aluminum powder suspension;
(3) dissolving oxalic acid in absolute ethyl alcohol to prepare an oxalic acid ethanol solution with the mass fraction of 15%, slowly dropwise adding the oxalic acid ethanol solution into the aluminum powder suspension prepared in the step (2) under the condition of stirring until the pH value of the system is adjusted to 4.0, reacting for 20min, adding diluted ammonia water, adjusting the pH value of the system to 6.5, and then standing for 2 days to age and gel;
(4) placing the gel prepared in the step (3) in a drying oven at 25 ℃, soaking the gel in absolute ethyl alcohol after losing weight by 30%, and then aging the gel for 1 day at 55 ℃; placing the aged product in a drying box at 40 ℃, soaking the product in acetone after losing weight by 40%, and then aging the product for 1 day at 50 ℃; and (3) placing the mixture in a drying oven at 30 ℃ after aging is finished, soaking the mixture in acetone after weight loss of 50%, repeating the operation for 4 times without aging, and placing the mixture in the drying oven at 50 ℃ for drying for 3 days to obtain the magnetic resistance sun-screening layer.
The prepared magnetic resistance sun-screening layer has the relative permeability of 142, is close to the relative permeability of iron of 200-400, and has a good magnetic resistance effect; meanwhile, the relative dielectric constant of the polyvinyl chloride cable is 3.37, is close to the relative dielectric constant of 3.1-3.5 of polyvinyl chloride, has good insulation property, and can effectively prevent outdoor lightning strike.
The high-voltage power distribution cabinet manufactured by the method can effectively avoid the influence of rainwater on the high-voltage power distribution cabinet through the design of the heat dissipation holes and the top cover; the magnetic-resistance and sun-protection layer is of an aerogel structure, so that external heat can be efficiently prevented from being conducted into the high-voltage power distribution cabinet, an electromagnetic field generated by the work of the high-voltage power distribution cabinet can be shielded, the magnetism can be effectively prevented, and outdoor lightning stroke can be prevented; meanwhile, most sunlight can be reflected out, and the working temperature of the high-voltage power distribution cabinet can be effectively reduced; and finally, light reflected by the magnetism-resisting and sun-screening layer is dispersed through the transparent scattering layer, so that light pollution is prevented.
And finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.
Claims (10)
1. The utility model provides a hinder sunproof high voltage distribution cabinet of magnetism which characterized in that: the high-voltage power distribution cabinet comprises a cabinet body, wherein the top of the cabinet body is connected with a top cover, and a plurality of heat dissipation holes are formed in the position, close to the top cover, of the cabinet body; the top cover is provided with a hard substrate layer, a magnetism-blocking sun-proof layer and a transparent scattering layer from bottom to top respectively.
2. High voltage power distribution cabinet according to claim 1, characterized in that: the lowest position of the heat dissipation hole is higher than the lowest position of the top cover.
3. High voltage power distribution cabinet according to claim 1, characterized in that: the heat dissipation holes are arranged in an inclined mode with high outside and low inside.
4. High voltage power distribution cabinet according to claim 1, characterized in that: the hard substrate layer is made of wood boards or plywood.
5. High voltage power distribution cabinet according to claim 1, characterized in that: the material used by the transparent scattering layer is PC or PET.
6. High voltage power distribution cabinet according to claim 1, characterized in that: the outer surface of the transparent scattering layer is of a sawtooth structure.
7. High voltage power distribution cabinet according to claim 1, characterized in that: the preparation method of the magnetic resistance sunscreen layer comprises the following steps:
(1) dissolving water glass in water to prepare a 3-5% water glass solution, then adding absolute ethyl alcohol to dilute until the content of the ethyl alcohol is 90-95%, adding tetraethoxysilane after complete dispersion until the content of the tetraethoxysilane is 30-40%, and preparing an tetraethoxysilane solution after complete dissolution;
(2) adding 0.5 per mill of wetting dispersant into the tetraethoxysilane solution prepared in the step (1), after completely dispersing, adding 1-3% of mixed micro powder of aluminum powder and iron powder in a mass ratio of 2:1, and stirring and dispersing at high speed to prepare an aluminum powder suspension;
(3) dissolving oxalic acid in absolute ethyl alcohol to prepare an oxalic acid ethanol solution with the mass fraction of 10% -20%, slowly dropwise adding the oxalic acid ethanol solution to the aluminum powder suspension prepared in the step (2) under the condition of stirring until the pH value of the system is adjusted to 3.5-4.0, reacting for 10-20 min, adding dilute ammonia water, adjusting the pH value of the system to 6.0-6.5, and standing for 2 days to age and gel;
(4) placing the gel prepared in the step (3) in a drying oven at 20-30 ℃, soaking the gel in absolute ethyl alcohol after losing weight of 20-30%, and then aging the gel for 1 day at 50-55 ℃; placing the aged product in a drying box at 30-40 ℃, soaking the product in acetone after losing weight of 30-40%, and then aging the product for 1 day at 40-50 ℃; and (3) placing the aged mixture in a drying oven at 30-40 ℃, soaking the aged mixture in acetone after losing weight of 50-60%, repeating the operation for 3-4 times, and placing the soaked mixture in the drying oven at 50-55 ℃ for drying for 2-3 days to obtain the magnetic resistance sun-screening layer.
8. The high voltage distribution cabinet according to claim 7, characterized in that: the wetting dispersant is 1100W type high molecular polyester dispersant.
9. The high voltage distribution cabinet according to claim 7, characterized in that: the aluminum powder and the iron powder are superfine powder with the particle size of 1-5 mu m.
10. High voltage distribution cabinet according to claim 7 or 8 or 9, characterized in that: and (3) coating the aluminum powder suspension liquid prepared in the step (2) in the cabinet body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110706459.3A CN113346372B (en) | 2021-06-24 | 2021-06-24 | Magnetism-blocking and sun-blocking high-voltage power distribution cabinet |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110706459.3A CN113346372B (en) | 2021-06-24 | 2021-06-24 | Magnetism-blocking and sun-blocking high-voltage power distribution cabinet |
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| Publication Number | Publication Date |
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| CN113346372A true CN113346372A (en) | 2021-09-03 |
| CN113346372B CN113346372B (en) | 2023-07-25 |
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| CN202110706459.3A Active CN113346372B (en) | 2021-06-24 | 2021-06-24 | Magnetism-blocking and sun-blocking high-voltage power distribution cabinet |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63144127A (en) * | 1986-12-05 | 1988-06-16 | Seiko Epson Corp | Production of quartz glass |
| JP2003164020A (en) * | 2001-11-28 | 2003-06-06 | Otowa Denki Kogyo Kk | Outdoor enclosed transformer board |
| CN203326427U (en) * | 2013-06-26 | 2013-12-04 | 吴江市物华五金制品有限公司 | Outdoor switch cabinet with ventilation and heat dissipation |
| CN203326433U (en) * | 2013-07-19 | 2013-12-04 | 青岛金科电气有限公司 | Low-voltage power distribution cabinet with good heat radiation performance |
| CN211428615U (en) * | 2019-12-20 | 2020-09-04 | 石家庄流畅电子科技有限公司 | High-efficient heat dissipation integration switch board |
| CN111917036A (en) * | 2020-08-07 | 2020-11-10 | 广东电网有限责任公司 | Terminal cabinet and distribution automation station terminal |
| DE202020106478U1 (en) * | 2020-11-11 | 2021-03-09 | Yantai Sanshui Electric Co., Ltd. | Novel waterproof condenser cabinet with easy heat dissipation |
-
2021
- 2021-06-24 CN CN202110706459.3A patent/CN113346372B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63144127A (en) * | 1986-12-05 | 1988-06-16 | Seiko Epson Corp | Production of quartz glass |
| JP2003164020A (en) * | 2001-11-28 | 2003-06-06 | Otowa Denki Kogyo Kk | Outdoor enclosed transformer board |
| CN203326427U (en) * | 2013-06-26 | 2013-12-04 | 吴江市物华五金制品有限公司 | Outdoor switch cabinet with ventilation and heat dissipation |
| CN203326433U (en) * | 2013-07-19 | 2013-12-04 | 青岛金科电气有限公司 | Low-voltage power distribution cabinet with good heat radiation performance |
| CN211428615U (en) * | 2019-12-20 | 2020-09-04 | 石家庄流畅电子科技有限公司 | High-efficient heat dissipation integration switch board |
| CN111917036A (en) * | 2020-08-07 | 2020-11-10 | 广东电网有限责任公司 | Terminal cabinet and distribution automation station terminal |
| DE202020106478U1 (en) * | 2020-11-11 | 2021-03-09 | Yantai Sanshui Electric Co., Ltd. | Novel waterproof condenser cabinet with easy heat dissipation |
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| Publication number | Publication date |
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| CN113346372B (en) | 2023-07-25 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A high-voltage distribution cabinet with magnetic resistance and sun protection Effective date of registration: 20230927 Granted publication date: 20230725 Pledgee: Jiujiang Bank Co.,Ltd. Nanchang Branch Pledgor: Yirentong Electric Group Co.,Ltd. Registration number: Y2023980059775 |
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