CN115249954A - Transformer box that possesses lightning protection function - Google Patents
Transformer box that possesses lightning protection function Download PDFInfo
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- CN115249954A CN115249954A CN202211150880.1A CN202211150880A CN115249954A CN 115249954 A CN115249954 A CN 115249954A CN 202211150880 A CN202211150880 A CN 202211150880A CN 115249954 A CN115249954 A CN 115249954A
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- transformer box
- lightning
- main body
- box main
- lightning protection
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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
- H02B1/46—Boxes; Parts thereof or accessories therefor
- H02B1/48—Mounting of devices therein
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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
- H02B1/16—Earthing arrangements
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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
- H02B1/46—Boxes; Parts thereof or accessories therefor
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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
- H02B1/50—Pedestal- or pad-mounted casings; Parts thereof or accessories therefor
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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
- H02B5/00—Non-enclosed substations; Substations with enclosed and non-enclosed equipment
- H02B5/01—Earthing arrangements, e.g. earthing rods
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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
- H02B7/00—Enclosed substations, e.g. compact substations
- H02B7/06—Distribution substations, e.g. for urban network
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G13/00—Installations of lightning conductors; Fastening thereof to supporting structure
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G13/00—Installations of lightning conductors; Fastening thereof to supporting structure
- H02G13/40—Connection to earth
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G13/00—Installations of lightning conductors; Fastening thereof to supporting structure
- H02G13/80—Discharge by conduction or dissipation, e.g. rods, arresters, spark gaps
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Regulation Of General Use Transformers (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
The invention belongs to the technical field of transformer cabinets, and particularly relates to a transformer box with a lightning protection function, which comprises a transformer box main body, wherein the transformer box main body is arranged on a concrete table top, and the top end of the transformer box main body is fixedly connected with a rain shelter through a support; the lightning protection assembly is arranged on the concrete table board, the lightning protection assembly is uniformly distributed around the transformer box main body, the lightning protection assembly is used for preventing lightning from invading the transformer box main body, the isolation assembly is arranged between the lightning rod and the transformer box main body, and the isolation assembly is used for weakening and isolating the lightning and preventing the transformer box main body from generating induction current and vortex due to current change.
Description
Technical Field
The invention belongs to the technical field of power transformation cabinets, and particularly relates to a power transformation box with a lightning protection function.
Background
The transformation box is a box body of a place for transforming, concentrating and distributing the voltage and the current of electric energy in an electric power system, in the site selection and design process of the outdoor transformation box, in order to protect the transformation box from being attacked by thunder and lightning, an independent lightning rod is often arranged around the transformation box, the transformation box is prevented from being attacked by the thunder and lightning by attracting the lightning,
when the independent lightning rod is installed around the transformer box in design, the distance between the independent lightning rod and the transformer box in a conventional state is not less than 5m, and in a mountain land or plateau environment in a thunder and lightning multi-occurrence region, because the occurrence probability of lightning shielding is high, when the distance between the independent lightning rod and the transformer box is large, the lightning shielding can be prevented from avoiding the independent lightning rod from acting on the transformer box, so that the hidden danger in the use of the transformer box is large, and when the distance between the independent lightning rod and the transformer box is small, when thunder and lightning flows on the lightning rod, because the current is made to generate induction with a metal material in the transformer box in the flowing process, on one hand, the excessively high induction electricity is generated in the transformer box, so that the current in a circuit in the transformer box is increased, on the other hand, when the current intensity in the circuit is changed greatly, eddy current is generated in a metal component in the transformer box, so that the transformer box generates heat, the temperature in the transformer box is rapidly increased, so that the accelerated aging of electronic components in the transformer box is caused, and the electronic components are also can be irreversibly damaged,
in order to reduce the influence of the shielding failure lightning on the transformer box in the related art, a plurality of lightning protection components are arranged on the transformer box, so that the lightning protection components are arranged according to a certain rule, and the probability of the shielding failure lightning on the transformer box is further reduced, but the influence of the shielding failure lightning is reduced, and meanwhile, the problems of induction current and eddy current generated in the transformer box when the lightning flows through a circuit are not considered, so that the problem that the heating of the transformer box is increased when the lightning flows through the transformer box, and the internal temperature of the transformer box is increased is still caused,
in view of this, the present invention provides a transformer box with a lightning protection function, so as to solve the above technical problems.
Disclosure of Invention
In order to make up for the defects of the prior art and solve the technical problems, the invention provides a transformer box with a lightning protection function.
The technical scheme adopted by the invention for solving the technical problems is as follows: according to the invention, a plurality of lightning rods are arranged in a surrounding manner, and the linear distance between the lightning rods and the transformer box is 5m, so that the advantages of the number of the lightning rods can be utilized, the interception and the guidance of direct lightning and shielding lightning are enhanced, the damage of the direct lightning and the shielding lightning to the transformer box main body is effectively reduced, meanwhile, through the arrangement of the shielding plate and the shielding net, in the process that the lightning is attracted by the lightning rods, induced current and eddy current are generated in the shielding plate and the shielding net in one step, and then the energy of electromagnetic waves is weakened and lost and finally converted into heat to be dissipated, so that the protection effect on the transformer box main body is achieved, compared with the phenomenon that the induced current and the eddy current are generated in the transformer box main body, the energy is converted into heat in the transformer box main body, the phenomenon of induced current and the eddy current is generated in the shielding plate and the shielding net, and the energy is converted into heat and dissipated outwards, and the damage to electronic components in the transformer box main body is effectively reduced.
The invention relates to a transformer box with lightning protection function, which comprises
The transformer box comprises a transformer box main body, a supporting frame and a power supply, wherein the transformer box main body is arranged on a concrete table surface, and the top end of the transformer box main body is fixedly connected with a rain shelter through the supporting frame;
and also comprises
The lightning protection subassembly, the lightning protection unit mount is in the concrete mesa, the lightning protection subassembly evenly arranges around the transformer case main part, the lightning protection subassembly is used for preventing the thunder and lightning attack transformer case main part, the lightning protection subassembly includes
The lightning rod is arranged on the concrete table board and surrounds the transformer box main body;
the protection sleeve is fixedly arranged on the concrete table board, the protection sleeve is sleeved on the outer side of the lightning rod, and the protection sleeve is made of glass fiber reinforced plastic materials;
the anti-isolation assembly is arranged between the lightning rod and the transformer box main body and is used for weakening and isolating, and the phenomenon that the transformer box main body generates induced current and eddy current due to current change is avoided.
Further, the anti-separating component comprises
The protective sleeve is provided with a protective cover, the protective cover is provided with a shielding plate, and the protective cover is provided with an isolation groove;
the shielding net is fixedly arranged between the transformer box main body and the protective sleeve,
the shielding net and the shielding plate are both made of high-conductivity materials and high-permeability materials.
Furthermore, the glass fiber reinforced plastic grids are installed on two sides of the shielding net, a containing groove is formed in one side, close to one side, of each glass fiber reinforced plastic grid, and the containing groove is used for containing the shielding net.
Further, fixedly connected with guide plate on the rainshelter, fixedly connected with drainage plate between guide plate and the lag, concrete mesa one side opening design is kept away from to the isolation groove, the drainage plate extends to the isolation inslot, the drainage plate cooperates with the guide plate for the guide rainwater flows to the isolation inslot.
Further, fixed mounting has the extension pipe on the drainage plate, the extension pipe extends to in the holding tank.
Further, articulated spoiler in the guide plate, the spoiler corresponds extension tube, the equal fixedly connected with waterproof rubber buffer of isolation groove opening part, the spoiler extends to in the isolation groove, the hot bimetallic strip of fixedly connected with on the shield plate, shield plate one end and spoiler fixed connection are kept away from to hot bimetallic strip.
Furthermore, a water storage tank is fixedly mounted between the guide plate and the drainage plate, the spoiler extends into the water storage tank, and the spoiler is fixedly connected with a choke plug in the water storage tank.
Furthermore, unidirectional air outlets which are uniformly distributed are formed in the isolation groove and the accommodating groove.
Furthermore, the one-way air outlet holes are opened towards one side of the transformer box main body.
The invention has the following beneficial effects:
1. according to the power transformation box with the lightning protection function, the lightning rods are arranged in a surrounding mode, and the straight line distance between the lightning rods and the power transformation box is 5m, so that the advantages of the number of the lightning rods can be utilized, interception and guidance of direct lightning and winding lightning are enhanced, damage of the direct lightning and the winding lightning to the power transformation box body is effectively reduced, meanwhile, the outer sides of the lightning rods are sleeved with the protective sleeve, the lightning rods are wrapped by the protective sleeve, the two ends of the protective sleeve are provided with the sealing rings, and the lightning rods and the protective sleeve are in a relative sealing state.
2. According to the transformer box with the lightning protection function, the shielding plate and the shielding net are arranged, in the process that lightning is attracted by the lightning rod, induced current and eddy current are generated in the shielding plate and the shielding net in one step, energy of electromagnetic waves is weakened and lost, and the electromagnetic waves are finally converted into heat to be dissipated, so that the transformer box main body is protected, and compared with the phenomenon that the induced current and the eddy current are generated in the transformer box main body, the energy is converted into the heat in the transformer box main body, the induced current and the eddy current are generated in the shielding plate and the shielding net, the energy is converted into the heat in the shielding plate and the shielding net and dissipated outwards, and further the damage to electronic components in the transformer box main body is effectively reduced.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a perspective view of the present invention;
FIG. 2 isbase:Sub>A partial cross-sectional view taken at A-A of FIG. 1;
FIG. 3 is a partial cross-sectional view taken at B-B of FIG. 2;
FIG. 4 is an enlarged view of a portion of FIG. 2 at C;
in the figure: 1. a transformer box main body; 11. a rain shelter; 12. a concrete table top; 2. a lightning rod; 21. a protective sleeve; 3. a shield plate; 31. a shielding mesh; 32. an isolation trench; 4. a fiberglass grid; 41. accommodating grooves; 42. a baffle; 43. a drainage plate; 44. an extension pipe; 5. a spoiler; 51. a waterproof rubber plug; 52. a thermal bimetallic strip; 6. a water storage tank; 61. a choke plug; 7. a one-way air outlet; 8. a lightning receptor; 81. a pillar; 82. and a down conductor connected to ground.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 4, the transformer box with lightning protection function according to the present invention comprises
The transformer box comprises a transformer box main body 1, wherein the transformer box main body 1 is installed on a concrete table top 12, and the top end of the transformer box main body 1 is fixedly connected with a rain shelter 11 through a support;
and also comprises
The lightning protection assembly is arranged on the concrete table top 12, the lightning protection assembly is evenly distributed around the transformer box main body 1 and used for preventing lightning from invading the transformer box main body 1, and the lightning protection assembly comprises
The lightning rod 2 is installed on the concrete table top 12, and the lightning rod 2 surrounds the transformer box main body 1;
the protection cover 21 is fixedly arranged on the concrete table board 12, the protection cover 21 is sleeved on the outer side of the lightning rod 2, and the protection cover 21 is made of glass fiber reinforced plastic materials;
the anti-collision assembly is arranged between the lightning rod 2 and the transformer box main body 1 and is used for weakening and isolating the phenomenon that the transformer box main body 1 generates induction current and eddy current due to current change;
when a transformer box is built and constructed in a plateau and mountain area with multiple lightning, a concrete table top 12 is poured on the ground for providing a transformer box installation site, then a transformer box main body 1 is installed on the concrete table top 12, the transformer box main body 1 is composed of an outer shell matched with internal electrical equipment and control equipment, meanwhile, in order to prevent lightning from invading, a lightning rod 2 is installed on the concrete table top 12 at the periphery of the transformer box main body 1, the lightning rod 2 is composed of a lightning receptor 8, a grounding down lead 82 and a grounding body, wherein the lightning receptor 8 is preferably made of round steel materials with the diameter of 15-20 mm, the length of 1-2 m and the top end of conical tip, and is fixed above a support 81 and connected with the grounding body through the grounding down lead 82, wherein the grounding body is pre-buried in the ground below the concrete table top 12, the grounding body is built by a plurality of steel pipes, after the lightning receptor 8 receives the electric charge of an upper space, the electric charge is output to the grounding down lead to the ground through the grounding body, and then the lightning is guided to the ground,
meanwhile, a plurality of lightning rods 2 are arranged in a surrounding manner, the straight line distance between the lightning rods 2 and the power transformation box is 5m, so that the advantages of the number can be utilized, the interception and the guidance of direct lightning and winding lightning are enhanced, the damage of the direct lightning and the winding lightning to the power transformation box main body 1 is effectively reduced, meanwhile, the outer side of each lightning rod 2 is sleeved with a protective sleeve 21, the lightning rods 2 are wrapped by the protective sleeves 21, sealing rings are adopted at the two ends of each protective sleeve 21, and the space between each lightning rod 2 and each protective sleeve 21 is in a relatively sealed state, so that when the lightning rod type transformer substation is in actual use, on one hand, most of the lightning rods 2 exposed out of the concrete table top 12 can be wrapped by the protective sleeves 21, the protective sleeves 21 made of glass fiber reinforced plastics have good insulating property and good insulating property, and effectively wrap and isolate most of the lightning rods 2 exposed out of the concrete table top 12, and further reduce the use potential safety hazards of the lightning rods 2,
meanwhile, the anti-explosion component is arranged between the lightning rod 2 and the transformer box main body 1, when current flows in the lightning rod 2, the potential of the lightning rod 2 changes greatly before and after the lightning rod 2 receives the current, and therefore after the lightning rod 2 is connected with the current, a magnetic field with certain strength exists around the lightning rod 2, induction current and eddy current are easily generated inside the transformer box main body 1, the temperature of a conductor can be increased due to the induction current and the eddy current, and further the internal heating phenomenon of the transformer box main body 1 is serious.
Illustratively, the decoupling assembly comprises
The protective sleeve 21 is internally provided with an isolation groove 32, the isolation groove 32 is internally fixedly provided with the shielding plate 3, and the shielding plate 3 is in a semi-annular design;
a shielding net 31, wherein the shielding net 31 is fixedly arranged between the transformer box main body 1 and the protective cover 21,
the shielding net 31 and the shielding plate 3 are both made of high-conductivity materials and high-magnetic-permeability materials;
when electromagnetic weakening and shielding are carried out, firstly, an isolation groove 32 is arranged in a protective sleeve 21, a shielding plate 3 is arranged in the isolation groove 32, under the isolation action of the protective sleeve 21, direct contact does not exist between the shielding plate 3 and a lightning rod 2, and further, when lightning is conducted on the lightning rod 2, the lightning does not directly flow to the shielding plate 3, but when electromagnetic change exists in the current flowing and changing process, when electromagnetic waves generated by the lightning reach the surface of the shielding plate 3, due to impedance discontinuity on an interface between air and the shielding plate 3, incident waves are reflected, and further, the electromagnetic waves are weakened, and after the unreflected electromagnetic waves enter the shielding plate 3, when the electromagnetic waves are conducted in the shielding plate 3, the electromagnetic waves are absorbed by the shielding plate 3, so that the energy of the electromagnetic waves is continuously weakened and isolated through the shielding plate 3, and when the electromagnetic waves pass through the shielding plate 3, the shielding net 31 is obstructed again, so that further, the electromagnetic induction effect and the electric current transformation effect generated by the lightning box body 1 when the current flows in the lightning rod 2 are further reduced, and the electromagnetic induction protection body 1 is formed,
the shielding net 31 and the shielding plate 3 in the present application are made of high conductivity materials and high permeability materials, specifically, when the shielding net 31 and the shielding plate 3 are prepared, the high conductivity materials and the high permeability materials can be separately manufactured, after the manufacturing is completed, the high conductivity materials and the high permeability materials are stacked, and then the characteristics of the high conductivity materials and the high permeability materials are utilized to respectively block the low frequency electromagnetic waves and the high frequency electromagnetic waves, so that the high frequency electromagnetic waves generated by thunder and lightning can be intercepted, and simultaneously, when the transformer box main body 1 works, the low frequency electromagnetic waves conducted outwards by the transformer box main body 1 can be intercepted and weakened,
through setting up shield plate 3 and shielding net 31 in this application, in the in-process that the thunder and lightning was attracted by lightning rod 2, earlier one step in shield plate 3 and shielding net 31 in produce induced-current and vortex, and then energy generation to the electromagnetic wave weakens, the loss, and finally convert it into the heat and give off, the guard action to transformer box main part 1 has been played, compare in 1 inside induced-current and the vortex phenomenon of producing at transformer box main part, cause the energy to turn into the heat in 1 inside transformer box main part, this application produces induced-current and vortex phenomenon in shield plate 3 and shielding net 31, and then cause the energy to turn into the heat in shield plate and shielding net, and outwards give off, and then effectual reduction is to the damage of the inside electronic components of transformer box main part 1.
Illustratively, glass fiber reinforced plastic grids 4 are mounted on two sides of the shielding net 31, accommodating grooves 41 are formed in the sides, close to each other, of the glass fiber reinforced plastic grids 4, and the accommodating grooves 41 are used for accommodating the shielding net 31;
because high conductivity material and high magnetic permeability material, such as ferrite, silicon steel material etc. use in conventional environment, stand to blow by wind, the sun, rain, will cause its life to obtain the decay, cause it to corrode under the effect such as oxidation, external force, the probability of damage is great, consequently, through set up glass steel grid 4 in shielding net 31 both sides, and all set up holding tank 41 in glass steel grid 4 relative one side, utilize glass steel grid 4 to accomodate, cage the shielding net 31, and then protect shielding net 31, not only can effectually utilize glass steel grid 4 to carry out the cage to shielding net 31, reduce the damage of external environment to shielding net 31, ageing, can also isolate shielding net 31 with the external world simultaneously, further reduce the potential safety hazard that shielding net 31 exists in the use.
Illustratively, a flow guide plate 42 is fixedly connected to the rainshelter 11, a flow guide plate 43 is fixedly connected between the flow guide plate 42 and the protective sleeve 21, an opening is formed in one side of the isolation groove 32, which is far away from the concrete table 12, the flow guide plate 43 extends into the isolation groove 32, and the flow guide plate 43 is matched with the flow guide plate 42 for guiding rainwater to flow into the isolation groove 32;
after lightning circulates from the lightning rod 2, the current intensity in the lightning rod 2 is changed, and then under the action of electromagnetic induction, induced electromotive force is generated on the shielding plate 3 and the shielding net 31, and further eddy current is generated inside the conductor, and under the action of eddy current, because the electrical resistivity of the conductor is low, the conductor generates a large amount of heat, and because the glass fiber reinforced plastic material has good heat insulation performance, the shielding plate 3 protected by the protecting sleeve 21 cannot effectively conduct the heat to the outside, at the moment, the guide plate 42 is arranged on the rain shelter 11, rainwater borne on the rain shelter 11 is guided by the guide plate 42, so that the rainwater flows into the drainage plate 43 along the guide plate 42 and further flows into the isolating groove 32, and after entering the isolating groove 32, the rainwater is in contact with the shielding plate 3 through the rainwater, and further heat exchange is generated between the shielding plate 3 and the rainwater, and further, evaporation and flowing of the rainwater are utilized, the absorption of the heat in the shielding plate 3 is enhanced, and further the effect of quickly cooling the shielding plate 3 is reduced, and further, and the resistance of the shielding plate 3 is increased, and the shielding plate 3 is effectively prevented from being damaged.
Illustratively, an extension tube 44 is fixedly mounted on the drainage plate 43, and the extension tube 44 extends into the accommodating groove 41;
at the in-process that carries out the drainage to the rainwater, pass through extension 44 with the rainwater and guide to holding tank 41 in, and then utilize the rainwater to cool down in step to the shielding net 31 in the holding tank 41, and then strengthen the stability in use who separates the subassembly that disappears, avoid removing to separate the subassembly after absorption, conversion electromagnetic pulse, the heat of its production can't leak.
Exemplarily, a spoiler 5 is hinged in the flow guide plate 42, a waterproof rubber plug 51 is fixedly connected to the spoiler 5 corresponding to the extension pipe 44 and the opening of the isolation slot 32, the spoiler 5 extends into the isolation slot 32, a thermal bimetallic strip 52 is fixedly connected to the shielding plate 3, and one end of the thermal bimetallic strip 52 away from the shielding plate 3 is fixedly connected to the spoiler 5;
when the environment is deteriorated, the acidity of rainwater is high, therefore, in daily use, it is not suitable to cause the shielding plate 3 and the shielding net 31 to be in a rainwater environment for a long time, when current passes through the lightning rod 2, the temperature of the lightning rod 2 rises rapidly, at this time, under the conduction action of temperature and electromagnetic waves caused by lightning, an eddy current heating phenomenon exists inside the shielding plate 3, at this time, the temperature of the shielding plate 3 rises, the shielding plate 3 with the raised temperature conducts heat to the thermal bimetallic strip 52, and further the thermal bimetallic strip 52 with different thermal expansion coefficients at two sides is converted into a bent plate from a straight plate in an initial state, under the action of the thermal bimetallic strip 52, one end of the spoiler 5 positioned in the isolation groove 32 is lifted upwards, so that the waterproof rubber plug 51 fixedly connected to the spoiler 5 is lifted synchronously, so that rainwater guided by the flow guide plate 42 and the flow guide plate 43 can flow into the isolation groove 32 and the accommodating groove 41, the shielding plate 3 and the shielding net 31 inside are subjected to heat dissipation treatment, and when there is no lightning rod 2 attracted by the lightning in the weather, and the shielding groove 3 is not subjected to the shielding effect of shielding, so that the shielding plate 3 cannot be corroded by the shielding groove 32, and the shielding plate 31, and the shielding groove 32 cannot be blocked by the shielding plate 3, thereby the shielding effect of preventing the shielding plate 3 from being corroded by the shielding effect of the shielding plate 32.
Illustratively, a water storage tank 6 is fixedly installed between the flow guide plate 42 and the flow guide plate 43, the flow guide plate 5 extends into the water storage tank 6, and a flow blocking plug 61 is fixedly connected to the flow guide plate 5 in the water storage tank 6;
because the thunder and lightning is received by the lightning rod 2 frequently and the time is uncertain, by arranging the water storage tank 6, in rainy days, after the rainwater is received by the rain shelter 11, the rainwater is guided by the drainage plate 43 and the guide plate 42 to flow into the water storage tank 6, so that the water level in the water storage tank 6 is raised, at the moment, if the thunder and lightning does not pass through the lightning rod 2, the spoiler 5 is attached to the drainage plate 43 under the action of the thermal bimetallic strip 52, so that the spoiler plug 61 fixedly connected with the spoiler 5 in the water storage tank 6 blocks the opening of the water storage tank 6, the water flow loss is avoided, and when the thunder and lightning passes through the lightning rod 2, the thermal bimetallic strip 52 is heated and bent, at this moment, the spoiler 5 deflects, and then cause the spoiler 5 to be located one and serve the synchronous rotation of fixed connection's choked flow stopper 61 in the water storage box 6, and then make rivers in the water storage box 6 pass through the spoiler 5, choked flow stopper 61 both sides flow in to drainage plate 43, and then get into isolation groove 32, in the holding tank 41, play to shielding net 31, shielding plate 3 carries out the effect of cooling, the existence of water storage box 6 can be in no rain and thunder electricity weather, or the thunder sends out earlier, in the weather that falls behind the rainwater, the rainwater that utilizes the deposit is timely to shielding net 31, shielding plate 3 carries out the effect of cooling, the reinforcing is to shielding net 31, the radiating stability of shielding plate 3.
Illustratively, the isolating groove 32 and the accommodating groove 41 are internally provided with uniformly distributed one-way air outlet holes 7;
through setting up evenly distributed's one-way venthole 7 at the isolated slot 32, holding tank 41 lateral wall, utilize the one-way conduction effect of one-way venthole 7, cause the rainwater at the shielding net 31 with high temperature, the in-process of shielding plate 3 contact, the vapor that produces can outwards be drifted along one-way venthole 7, and then avoid the production of steam, cause isolated slot 32, the internal pressure of holding tank 41 increases, and then lead to subsequent rainwater can't flow in isolated slot 32, holding tank 41, and then cause shielding net 31, the heat dissipation of shielding plate 3, the cooling effect receives the influence, it is concrete, one-way venthole 7 can be adopted for downthehole installation taper rubber buffer, and taper rubber buffer trompil, under the initial condition, taper rubber buffer opening is closed, as isolated slot 32, the internal pressure of holding tank 41 increases, under the effect of atmospheric pressure, taper rubber buffer produces the deformation, and then cause one-way venthole 7 to open, water smoke can circulate to the external world, the existence of one-way venthole 7 simultaneously, can also after thunderstorm, cause isolated slot 32, the inside of isolated slot 41 can one-way venthole 7 can outwards flow, and then avoid long-way venthole to shield plate 31, and then cause the shielding net 31, rainwater to form the shielding net 31, it soaks weather to soak, and form the shielding plate 3.
Illustratively, the one-way air outlet holes 7 are all opened towards one side of the transformer box main body 1,
through the opening direction orientation transformer box main part 1 one side of one-way venthole 7, therefore after lightning passed through lightning rod 2, can cause the fog that high temperature produced to circulate to being close to transformer box main part 1 one side, reduce the potential safety hazard that water smoke, the outside injection of steam caused on the one hand, on the other hand, the flow of water smoke, steam causes the increase of the air current flow rate around transformer box main part 1, and then strengthens transformer box main part 1's rate of heat dissipation.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. A transformer box with lightning protection function comprises
The transformer box comprises a transformer box main body, a supporting frame and a power supply, wherein the transformer box main body is arranged on a concrete table surface, and the top end of the transformer box main body is fixedly connected with a rain shelter through the supporting frame;
the method is characterized in that: also comprises
The lightning protection assembly is arranged on the concrete table board and evenly distributed around the transformer box main body, and the lightning protection assembly is used for preventing lightning from invading the transformer box main body and comprises
The lightning rod is arranged on the concrete table board and surrounds the transformer box main body;
the protection sleeve is fixedly arranged on the concrete table board, the protection sleeve is sleeved on the outer side of the lightning rod, and the protection sleeve is made of glass fiber reinforced plastic materials;
the anti-isolation assembly is arranged between the lightning rod and the transformer box main body and is used for weakening and isolating, and the phenomenon that the transformer box main body generates induced current and eddy current due to current change is avoided.
2. The transformer box with the lightning protection function according to claim 1, characterized in that: the anti-partition component comprises
The protective sleeve is provided with a protective cover, the protective cover is provided with a shielding plate, and the protective cover is provided with an isolation groove;
the shielding net is fixedly arranged between the transformer box main body and the protective sleeve,
the shielding net and the shielding plate are both made of high-conductivity materials and high-magnetic-permeability materials.
3. The transformer box with the lightning protection function according to claim 2, characterized in that: glass steel grids are all installed to the shielding net both sides, the holding tank has all been seted up to glass steel grids one side of being close to each other, the holding tank is used for accomodating the shielding net.
4. The transformer box with the lightning protection function according to claim 3, characterized in that: fixedly connected with guide plate on the rainshelter, fixedly connected with drainage plate between guide plate and the lag, concrete mesa one side open design is kept away from to the isolation groove, the drainage plate extends to the isolation inslot, drainage plate and guide plate cooperation are used for guiding the rainwater to flow to the isolation inslot.
5. The transformer case with the lightning protection function according to claim 4, wherein: an extension pipe is fixedly mounted on the drainage plate and extends into the accommodating groove.
6. The transformer box with the lightning protection function according to claim 5, characterized in that: articulated spoiler in the guide plate, the spoiler corresponds extension tube, the equal waterproof rubber buffer of fixedly connected with of isolation groove opening part, the spoiler extends to in the isolation groove, the hot bimetallic strip of fixedly connected with on the shield plate, shield plate one end and spoiler fixed connection are kept away from to hot bimetallic strip.
7. The transformer box with the lightning protection function according to claim 6, characterized in that: fixed mounting has the water storage box between guide plate and the drainage plate, the spoiler extends to in the water storage box, and the spoiler is located fixedly connected with choked flow stopper in the water storage box.
8. The transformer box with the lightning protection function according to claim 5, characterized in that: unidirectional air outlets which are uniformly distributed are formed in the isolation groove and the accommodating groove.
9. The transformer box with the lightning protection function according to claim 8, characterized in that: and the unidirectional air outlet holes are opened towards one side of the transformer box main body.
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| CN202211150880.1A CN115249954B (en) | 2022-09-21 | 2022-09-21 | Transformer box that possesses lightning protection function |
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| CN202211150880.1A CN115249954B (en) | 2022-09-21 | 2022-09-21 | Transformer box that possesses lightning protection function |
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| CN115249954B CN115249954B (en) | 2022-12-30 |
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| US20110162863A1 (en) * | 2010-01-04 | 2011-07-07 | Hidetaka Azuma | Lightning protection system and method |
| CN103066401A (en) * | 2013-01-07 | 2013-04-24 | 李景禄 | Direct lightning protection and ground connection method in inflammable and explosive places |
| CN206053507U (en) * | 2016-08-25 | 2017-03-29 | 中国电建集团贵阳勘测设计研究院有限公司 | Main transformer framework for lightning protection |
| CN109244878A (en) * | 2018-09-29 | 2019-01-18 | 河南亚诺电气设备有限公司 | A kind of lightening arresting method of power transformation box and distribution box with anti-lightning strike function |
| CN214280584U (en) * | 2020-12-10 | 2021-09-24 | 中科天际科技股份有限公司 | Lightning protection type electrical distribution box |
| CN215418976U (en) * | 2021-06-17 | 2022-01-04 | 泗阳物华电气有限公司 | Low-voltage distribution switch control cabinet with lightning protection capability |
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2022
- 2022-09-21 CN CN202211150880.1A patent/CN115249954B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US20110162863A1 (en) * | 2010-01-04 | 2011-07-07 | Hidetaka Azuma | Lightning protection system and method |
| CN103066401A (en) * | 2013-01-07 | 2013-04-24 | 李景禄 | Direct lightning protection and ground connection method in inflammable and explosive places |
| CN206053507U (en) * | 2016-08-25 | 2017-03-29 | 中国电建集团贵阳勘测设计研究院有限公司 | Main transformer framework for lightning protection |
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| CN214280584U (en) * | 2020-12-10 | 2021-09-24 | 中科天际科技股份有限公司 | Lightning protection type electrical distribution box |
| CN215418976U (en) * | 2021-06-17 | 2022-01-04 | 泗阳物华电气有限公司 | Low-voltage distribution switch control cabinet with lightning protection capability |
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| CN115249954B (en) | 2022-12-30 |
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