CN110767432A - Outdoor transformer lightning arrester for power engineering and installation method thereof - Google Patents
Outdoor transformer lightning arrester for power engineering and installation method thereof Download PDFInfo
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- CN110767432A CN110767432A CN201911210461.0A CN201911210461A CN110767432A CN 110767432 A CN110767432 A CN 110767432A CN 201911210461 A CN201911210461 A CN 201911210461A CN 110767432 A CN110767432 A CN 110767432A
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- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000009434 installation Methods 0.000 title abstract description 9
- 239000002184 metal Substances 0.000 claims abstract description 168
- 229910052751 metal Inorganic materials 0.000 claims abstract description 168
- 239000000919 ceramic Substances 0.000 claims abstract description 102
- 230000017525 heat dissipation Effects 0.000 claims description 33
- 238000003466 welding Methods 0.000 claims description 10
- 238000010521 absorption reaction Methods 0.000 claims description 8
- 238000009413 insulation Methods 0.000 claims description 8
- 238000010030 laminating Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 22
- 230000003139 buffering effect Effects 0.000 abstract description 16
- 230000009471 action Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 230000002265 prevention Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
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- 230000005674 electromagnetic induction Effects 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/40—Structural association with built-in electric component, e.g. fuse
- H01F27/402—Association of measuring or protective means
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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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Abstract
The invention discloses an outdoor transformer lightning arrester for power engineering and an installation method thereof, wherein the outdoor transformer lightning arrester comprises a box body, wherein the upper surface of the box body is in screwed connection with a first ceramic plate, and the upper surface of the first ceramic plate is fixedly connected with a second ceramic plate; make the area of contact increase of electric current through the second metal polar plate, and lead electrical pillar through setting up two first conductive columns and second, collect the electric current and lead to on the first metal polar plate, make the effect of collecting the lightning current improved, and the second is led electrical pillar and will be connected to the second metal mesh, the second is led electrical pillar, first conductive pillar, first metal mesh and the cooperation of second metal mesh, form twice to the collection buffering of lightning current and prevent that the electric current from leaking, cooperation through second ceramic plate and insulating rubber piece, make the collection electric current diminish gradually, reach the effect of electric current buffering, and block the electric current once more through first ceramic plate, the effectual electric current that reduces the thunder, the influence of thunder has been avoided, and the condition that leads to the power supply not enough takes place.
Description
Technical Field
The invention relates to the technical field of power engineering, in particular to an outdoor transformer lightning arrester for power engineering and an installation method thereof.
Background
The electric power engineering, i.e. the engineering related to the production, transmission and distribution of electric energy, also includes the engineering of applying electricity as power and energy in various fields in a broad sense, and can be understood to the engineering of transmitting and transforming electricity, along with the rapid development of national economy in China, the demand for electric power is increasing day by day, as the main equipment in the power transmission and transformation system, the transformer is also rapidly developed, the transformer is a device for changing alternating voltage by using the principle of electromagnetic induction, and the main components are a primary coil, a secondary coil and an iron core (magnetic core). The main functions are as follows: voltage conversion, current conversion, impedance conversion, isolation, voltage stabilization (magnetic saturation transformer), and the like, and can be classified into: the lightning protection device comprises a power transformer and a special transformer (an electric furnace transformer, a rectification transformer, a power frequency test transformer, a voltage regulator, a mining transformer, an audio transformer, an intermediate frequency transformer, a high frequency transformer, an impact transformer, an instrument transformer, an electronic transformer, a reactor, a mutual inductor and the like).
Disclosure of Invention
The invention aims to provide an outdoor transformer lightning arrester for power engineering and an installation method thereof, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: an outdoor transformer lightning arrester for power engineering comprises a box body, wherein the upper surface of the box body is in screwed connection with a first ceramic plate, the upper surface of the first ceramic plate is fixedly connected with a second ceramic plate, one side, far away from the box body, of the second ceramic plate is provided with a first metal polar plate, the upper surface of the first metal polar plate is provided with two first conductive columns, two ends of the first metal polar plate are in screwed connection with supporting plates, one sides, far away from the first metal polar plate, of the two supporting plates are welded with a second metal net, one sides, far away from the supporting plates, of the two second metal nets are in screwed connection with the outer wall of the second ceramic plate, the upper part of the first metal polar plate is provided with the first metal net, one ends, far away from the first metal polar plate, of the two first conductive columns penetrate through the inside of the first metal net, one end, at the top, the both sides screwed connection of second metal polar plate has the second to lead electrical pillar, the second is led electrical pillar from the top down and is run through in first metal mesh and first metal polar plate in proper order, the second is led electrical pillar and is kept away from one end screwed connection in one side of second metal mesh of second metal polar plate.
As further preferable in the present technical solution: two lightning rod bodies are respectively arranged on two sides of the upper surface of the second metal polar plate, one side of each lightning rod body is connected with a grounding wire, and a joint of the grounding wire is led into the ground.
As further preferable in the present technical solution: insulation plates are bonded to two sides of the inner wall of the box body and the top of the inner wall of the box body, and a moisture absorption plate is bonded to the bottom of the inner wall of the box body.
As further preferable in the present technical solution: the equal screwed connection of both sides inner wall of box has the heat dissipation fan, the one end intercommunication of heat dissipation fan has the blast pipe, the one end that the heat dissipation fan was kept away from to the blast pipe runs through in one side of box, the inside filter screen that is provided with of one end that the heat dissipation fan was kept away from to the blast pipe.
As further preferable in the present technical solution: the lightning rod comprises a lightning rod body and is characterized in that two fixing pieces are fixedly connected to the two sides of the lightning rod body, a bolt is connected to the inner threads of the fixing pieces in a threaded mode, and the bolt penetrates through the fixing pieces and the second metal polar plate from top to bottom in sequence.
As further preferable in the present technical solution: the both ends laminating of second ceramic plate is connected with the baffle, one side bottom screw connection that is close to second ceramic plate of baffle is in upper surface one side of first ceramic plate, the shape that second ceramic plate one side was kept away from to the baffle is curved shape setting.
As further preferable in the present technical solution: the mutual symmetrical welding in bottom both sides of transformer body has two bases, the inner wall both sides welding that the box is close to the base has the fixed plate, two one side of keeping away from the transformer body of base runs through in the inside of fixed plate, one side fixed connection of base lower surface is in the upper surface of moisture absorption plate.
As further preferable in the present technical solution: the through-hole that the equidistance distributes is seted up to the upper surface of fixed plate, the inside of through-hole all is provided with the grid.
As further preferable in the present technical solution: the lower surface of the second ceramic plate is bonded with an insulating rubber sheet, the lower surface of the insulating rubber sheet is fixedly connected with a supporting column, and one end of the supporting column, far away from the insulating rubber sheet, is fixedly connected to the upper surface of the first ceramic plate.
In addition, the present invention also provides: an installation method of an outdoor transformer lightning arrester for power engineering comprises the following steps:
s1, firstly, mounting two sides of a second ceramic plate on a first ceramic plate, then supporting a supporting plate through a baffle plate, fixing a second metal net and a first metal polar plate on the supporting plate, enabling the bottom of the first metal polar plate to be attached to the top of the second ceramic plate, and enabling the arc length of the first ceramic plate to be 2/3-1/4 of the circumference length;
s2, fixing the two first conductive columns and the second conductive column on the first metal polar plate, and enabling the bottom of the second conductive column to be connected with the second metal mesh, wherein the tops of the first conductive columns and the second conductive column are connected with the second metal polar plate through the first metal mesh, the gap distance between the first metal polar plate and the second metal polar plate is 7-15cm, the distance between the two first conductive columns is 6-12cm, and the distance between the first conductive columns and the second conductive column is 9-15 cm;
and S3, connecting the lightning rod bodies to the second metal pole plate through fixing pieces, connecting the lightning rod bodies to the grounding wire, and finally connecting the grounding wire to the ground, wherein the distance between the two lightning rod bodies is 28-38 cm.
Compared with the prior art, the invention has the beneficial effects that: make the area of contact increase of electric current through the second metal polar plate, and lead electrical pillar through setting up two first conductive columns and second, collect the electric current and lead to on the first metal polar plate, make the effect of collecting the lightning current improved, and the second is led electrical pillar and will be connected to the second metal mesh, the second is led electrical pillar, first conductive pillar, first metal mesh and the cooperation of second metal mesh, form twice to the collection buffering of lightning current and prevent that the electric current from leaking, cooperation through second ceramic plate and insulating rubber piece, make the collection electric current diminish gradually, reach the effect of electric current buffering, and block the electric current once more through first ceramic plate, the effectual electric current that reduces the thunder, the influence of thunder has been avoided, and the condition that leads to the power supply not enough takes place.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of region A of FIG. 1 according to the present invention;
FIG. 3 is an enlarged view of region B of FIG. 1 according to the present invention;
FIG. 4 is an enlarged view of region C of FIG. 1 according to the present invention;
fig. 5 is a schematic view of the internal structure of the exhaust pipe according to the present invention.
In the figure: 1. a box body; 2. an insulating plate; 3. a first ceramic plate; 4. a first metal plate; 5. a first metal mesh; 6. a second metal plate; 7. a first conductive post; 8. a second conductive post; 9. a ground line; 11. a baffle plate; 12. a heat dissipation fan; 13. an exhaust pipe; 14. a filter screen; 16. a fixing member; 17. a bolt; 18. a lightning rod body; 19. a base; 20. a grid; 21. a moisture absorption plate; 22. a transformer body; 23. a through hole; 24. a second metal mesh; 25. a second ceramic plate; 26. a support pillar; 27. an insulating rubber sheet; 28. a fixing plate; 29. and a support plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1-5, the present invention provides a technical solution: an outdoor transformer lightning arrester for power engineering comprises a box body 1, wherein the upper surface of the box body 1 is in screwed connection with a first ceramic plate 3, the upper surface of the first ceramic plate 3 is fixedly connected with a second ceramic plate 25, one side, far away from the box body 1, of the second ceramic plate 25 is provided with a first metal pole plate 4, the upper surface of the first metal pole plate 4 is provided with two first conductive posts 7, two ends of the first metal pole plate 4 are respectively in screwed connection with a support plate 29, one sides, far away from the first metal pole plate 4, of the two support plates 29 are respectively welded with a second metal mesh 24, one side, far away from the support plate 29, of the two second metal meshes 24 is in screwed connection with the outer wall of the second ceramic plate 25, the upper part of the first metal pole plate 4 is provided with a first metal mesh 5, and one end, far away from the first metal pole plate 4, of the two first conductive posts 7 runs, first lead 7 top one end screwed connection of electrical pillar and have second metal polar plate 6, the both sides screwed connection of second metal polar plate 6 has the second to lead electrical pillar 8, the second leads electrical pillar 8 from the top down and runs through in first metal mesh 5 and first metal polar plate 4 in proper order, the second leads electrical pillar 8 to keep away from one side of second metal polar plate 6 one end screwed connection in second metal mesh 24. The upper surface both sides of second metal polar plate 6 are provided with two lightning rod bodies 18 respectively, one side of lightning rod body 18 is connected with earth connection 9, earth connection 9's joint introduces ground, and through above setting, when the lightning touched lightning rod body 18, earth connection 9 can be with the lightning to draw ground, and the electric current in time introduces the ground, has improved the anti-thunder and lightning's of transformer impact strength. Insulation board 2 has all been bonded to the inner wall both sides and the inner wall top of box 1, moisture absorption plate 21 has been bonded to the inner wall bottom of box 1, and through above setting, insulation board 2 can play certain insulating effect in the inside of box 1, and the buffering or the lightening take place thunder and lightning electric current and to transformer body 22 contact. Equal screwed connection of both sides inner wall of box 1 has heat dissipation fan 12, the one end intercommunication of heat dissipation fan 12 has blast pipe 13, blast pipe 13 is kept away from the one end of heat dissipation fan 12 and is run through in one side of box 1, blast pipe 13 is kept away from the inside filter screen 14 that is provided with of the one end of heat dissipation fan 12, and the heat of fan 12 with the inside transformer body 22 of box 1 through the heat dissipation is effused, and heat dissipation fan 12 and through-hole 23's cooperation makes the air cycle flow in the box 1, and blast pipe 13 is located the outer one end position of box 1 and towards ground, can prevent that the rainwater from getting into heat dissipation fan 12 from blast pipe 13 in, cause the harm to heat dissipation fan 12 and the transformer body 22 in. Two mounting 16 of the equal fixedly connected with in both sides of lightning rod body 18, the inside threaded connection of mounting 16 has bolt 17, bolt 17 from the top down runs through mounting 16 and second metal polar plate 6 in proper order, and through above setting, two mounting 16 carry out the centre gripping to lightning rod body 18 to fix through bolt 17 and second metal polar plate 6, prevent that lightning rod body 18 from using for a long time, and lead to the security unstable, and can produce the fixed action to second metal polar plate 6. The laminating of the both ends of second ceramic plate 25 is connected with baffle 11, one side bottom screw connection that is close to second ceramic plate 25 of baffle 11 is in upper surface one side of first ceramic plate 3, the shape that second ceramic plate 25 one side was kept away from to baffle 11 is the curved setting, and through above setting, baffle 11 forms rain-proof cover, can prevent that the rainwater from directly falling into on box 1 to guaranteed the safe operation of transformer, improved the lightning protection's of transformer function. Two bases 19 of transformer body 22's the mutual symmetrical welding in bottom both sides, the inner wall both sides welding that box 1 is close to base 19 has fixed plate 28, two one side of keeping away from transformer body 22 of base 19 runs through in the inside of fixed plate 28, one side fixed connection of base 19 lower surface is in the upper surface of hygroscopic plate 21, through above setting, base 19 is used for isolated transformer body 22 and box 1's bottom direct contact, and the effect through-hole 23, makes the space formation circulation of air between box 1 and fixed plate 28, and hygroscopic plate 21 can absorb box 1 and base 19's junction moisture, has reduced the humidity of box 1 bottom, makes transformer body 22 keep dry, improves transformer body 22's lightning protection effect. Through-hole 23 that the equidistance distributes is seted up to the upper surface of fixed plate 28, the inside of through-hole 23 all is provided with grid 20, and through above setting, through-hole 23 helps the circulation with the inside heat air of transformer body 22, and prevents through grid 20 that the dust from entering into transformer body 22 in the box 1 from through-hole 23 on. The lower surface of second ceramic plate 25 bonds and has insulating rubber piece 27, insulating rubber piece 27's lower fixed surface is connected with support column 26, support column 26 keeps away from insulating rubber piece 27's one end fixed connection in the upper surface of first ceramic plate 3, through above setting, two support columns 26 support the both sides of second ceramic plate 25 respectively, and the lower surface of second ceramic plate 25 sets up insulating rubber piece 27, plays certain insulating effect, avoids electrically conductive, and second ceramic plate 25 and insulating rubber piece 27's cooperation reinforcing second ceramic plate 25's protection, the buffering or alleviate take place lightning current to transformer body 22 contact, avoid causing transformer body 22's damage.
In addition, the present invention also provides: an installation method of an outdoor transformer lightning arrester for power engineering comprises the following steps:
s1, firstly, mounting two sides of a second ceramic plate on a first ceramic plate, then supporting a supporting plate through a baffle plate, fixing a second metal net and a first metal pole plate on the supporting plate, and enabling the bottom of the first metal pole plate to be attached to the top of the second ceramic plate, wherein the arc length of the first ceramic plate is 1/3 of the circumference;
s2, fixing the two first conductive columns and the second conductive column on the first metal polar plate, and enabling the bottom of the second conductive column to be connected with the second metal mesh, wherein the tops of the first conductive columns and the second conductive column are connected with the second metal polar plate through the first metal mesh, the gap distance between the first metal polar plate and the second metal polar plate is 8cm, the distance between the two first conductive columns is 6cm, and the distance between the first conductive columns and the second conductive columns is 10 cm;
and S3, connecting the lightning rod bodies to the second metal pole plate through fixing pieces, connecting the lightning rod bodies to the grounding wire, and finally connecting the grounding wire to the ground, wherein the distance between the two lightning rod bodies is 28 cm.
The working principle or the structural principle is that when the lightning rod is used, firstly, when the lightning rod body 18 is touched by the lightning, the grounding wire 9 can lead the lightning to the ground, the current is led to the ground in time, the impact strength of the transformer against the lightning is improved, the contact area of the current is increased through the second metal pole plate 6, the current is converged and led to the first metal pole plate 4 through the two first conductive columns 7 and the two second conductive columns 8, the effect of collecting the lightning current is improved, in the process of leading the current, the current is prevented from leaking out through the first metal net 5, the second conductive columns 8 are connected to the second metal net 24, the second conductive columns 8 and the first conductive columns 7 form twice collection buffering of the lightning current and the current leakage prevention, then, the collected current is gradually reduced through the matching of the second ceramic plate 25 and the insulating rubber sheet 27, and the effect of current buffering is achieved, and the current is blocked again through the first ceramic plate 3, effectively reducing the current of the thunder and lightning.
Example 2
Referring to fig. 1-5, the present invention provides a technical solution: an outdoor transformer lightning arrester for power engineering comprises a box body 1, wherein the upper surface of the box body 1 is in screwed connection with a first ceramic plate 3, the upper surface of the first ceramic plate 3 is fixedly connected with a second ceramic plate 25, one side, far away from the box body 1, of the second ceramic plate 25 is provided with a first metal pole plate 4, the upper surface of the first metal pole plate 4 is provided with two first conductive posts 7, two ends of the first metal pole plate 4 are respectively in screwed connection with a support plate 29, one sides, far away from the first metal pole plate 4, of the two support plates 29 are respectively welded with a second metal mesh 24, one side, far away from the support plate 29, of the two second metal meshes 24 is in screwed connection with the outer wall of the second ceramic plate 25, the upper part of the first metal pole plate 4 is provided with a first metal mesh 5, and one end, far away from the first metal pole plate 4, of the two first conductive posts 7 runs, first lead 7 top one end screwed connection of electrical pillar and have second metal polar plate 6, the both sides screwed connection of second metal polar plate 6 has the second to lead electrical pillar 8, the second leads electrical pillar 8 from the top down and runs through in first metal mesh 5 and first metal polar plate 4 in proper order, the second leads electrical pillar 8 to keep away from one side of second metal polar plate 6 one end screwed connection in second metal mesh 24. The upper surface both sides of second metal polar plate 6 are provided with two lightning rod bodies 18 respectively, one side of lightning rod body 18 is connected with earth connection 9, earth connection 9's joint introduces ground, and through above setting, when the lightning touched lightning rod body 18, earth connection 9 can be with the lightning to draw ground, and the electric current in time introduces the ground, has improved the anti-thunder and lightning's of transformer impact strength. Insulation board 2 has all been bonded to the inner wall both sides and the inner wall top of box 1, moisture absorption plate 21 has been bonded to the inner wall bottom of box 1, and through above setting, insulation board 2 can play certain insulating effect in the inside of box 1, and the buffering or the lightening take place thunder and lightning electric current and to transformer body 22 contact. Equal screwed connection of both sides inner wall of box 1 has heat dissipation fan 12, the one end intercommunication of heat dissipation fan 12 has blast pipe 13, blast pipe 13 is kept away from the one end of heat dissipation fan 12 and is run through in one side of box 1, blast pipe 13 is kept away from the inside filter screen 14 that is provided with of the one end of heat dissipation fan 12, and the heat of fan 12 with the inside transformer body 22 of box 1 through the heat dissipation is effused, and heat dissipation fan 12 and through-hole 23's cooperation makes the air cycle flow in the box 1, and blast pipe 13 is located the outer one end position of box 1 and towards ground, can prevent that the rainwater from getting into heat dissipation fan 12 from blast pipe 13 in, cause the harm to heat dissipation fan 12 and the transformer body 22 in. Two mounting 16 of the equal fixedly connected with in both sides of lightning rod body 18, the inside threaded connection of mounting 16 has bolt 17, bolt 17 from the top down runs through mounting 16 and second metal polar plate 6 in proper order, and through above setting, two mounting 16 carry out the centre gripping to lightning rod body 18 to fix through bolt 17 and second metal polar plate 6, prevent that lightning rod body 18 from using for a long time, and lead to the security unstable, and can produce the fixed action to second metal polar plate 6. The laminating of the both ends of second ceramic plate 25 is connected with baffle 11, one side bottom screw connection that is close to second ceramic plate 25 of baffle 11 is in upper surface one side of first ceramic plate 3, the shape that second ceramic plate 25 one side was kept away from to baffle 11 is the curved setting, and through above setting, baffle 11 forms rain-proof cover, can prevent that the rainwater from directly falling into on box 1 to guaranteed the safe operation of transformer, improved the lightning protection's of transformer function. Two bases 19 of transformer body 22's the mutual symmetrical welding in bottom both sides, the inner wall both sides welding that box 1 is close to base 19 has fixed plate 28, two one side of keeping away from transformer body 22 of base 19 runs through in the inside of fixed plate 28, one side fixed connection of base 19 lower surface is in the upper surface of hygroscopic plate 21, through above setting, base 19 is used for isolated transformer body 22 and box 1's bottom direct contact, and the effect through-hole 23, makes the space formation circulation of air between box 1 and fixed plate 28, and hygroscopic plate 21 can absorb box 1 and base 19's junction moisture, has reduced the humidity of box 1 bottom, makes transformer body 22 keep dry, improves transformer body 22's lightning protection effect. Through-hole 23 that the equidistance distributes is seted up to the upper surface of fixed plate 28, the inside of through-hole 23 all is provided with grid 20, and through above setting, through-hole 23 helps the circulation with the inside heat air of transformer body 22, and prevents through grid 20 that the dust from entering into transformer body 22 in the box 1 from through-hole 23 on. The lower surface of second ceramic plate 25 bonds and has insulating rubber piece 27, insulating rubber piece 27's lower fixed surface is connected with support column 26, support column 26 keeps away from insulating rubber piece 27's one end fixed connection in the upper surface of first ceramic plate 3, through above setting, two support columns 26 support the both sides of second ceramic plate 25 respectively, and the lower surface of second ceramic plate 25 sets up insulating rubber piece 27, plays certain insulating effect, avoids electrically conductive, and second ceramic plate 25 and insulating rubber piece 27's cooperation reinforcing second ceramic plate 25's protection, the buffering or alleviate take place lightning current to transformer body 22 contact, avoid causing transformer body 22's damage.
In addition, the present invention also provides: an installation method of an outdoor transformer lightning arrester for power engineering comprises the following steps:
s1, firstly, mounting two sides of a second ceramic plate on a first ceramic plate, then supporting a supporting plate through a baffle plate, fixing a second metal net and a first metal pole plate on the supporting plate, and enabling the bottom of the first metal pole plate to be attached to the top of the second ceramic plate, wherein the arc length of the first ceramic plate is 1/3 of the circumference;
s2, fixing the two first conductive columns and the second conductive column on the first metal polar plate, and enabling the bottom of the second conductive column to be connected with the second metal mesh, wherein the tops of the first conductive columns and the second conductive column are connected with the second metal polar plate through the first metal mesh, the gap distance between the first metal polar plate and the second metal polar plate is 10cm, the distance between the two first conductive columns is 11cm, and the distance between the first conductive columns and the second conductive columns is 13 cm;
and S3, connecting the lightning rod bodies to the second metal pole plate through fixing pieces, connecting the lightning rod bodies to the grounding wire, and finally connecting the grounding wire to the ground, wherein the distance between the two lightning rod bodies is 33 cm.
The working principle or the structural principle is that when the lightning rod is used, firstly, when the lightning rod body 18 is touched by the lightning, the grounding wire 9 can lead the lightning to the ground, the current is led to the ground in time, the impact strength of the transformer against the lightning is improved, the contact area of the current is increased through the second metal pole plate 6, the current is converged and led to the first metal pole plate 4 through the two first conductive columns 7 and the two second conductive columns 8, the effect of collecting the lightning current is improved, in the process of leading the current, the current is prevented from leaking out through the first metal net 5, the second conductive columns 8 are connected to the second metal net 24, the second conductive columns 8 and the first conductive columns 7 form twice collection buffering of the lightning current and the current leakage prevention, then, the collected current is gradually reduced through the matching of the second ceramic plate 25 and the insulating rubber sheet 27, and the effect of current buffering is achieved, and the current is blocked again through the first ceramic plate 3, effectively reducing the current of the thunder and lightning.
Example 3
Referring to fig. 1-5, the present invention provides a technical solution: an outdoor transformer lightning arrester for power engineering comprises a box body 1, wherein the upper surface of the box body 1 is in screwed connection with a first ceramic plate 3, the upper surface of the first ceramic plate 3 is fixedly connected with a second ceramic plate 25, one side, far away from the box body 1, of the second ceramic plate 25 is provided with a first metal pole plate 4, the upper surface of the first metal pole plate 4 is provided with two first conductive posts 7, two ends of the first metal pole plate 4 are respectively in screwed connection with a support plate 29, one sides, far away from the first metal pole plate 4, of the two support plates 29 are respectively welded with a second metal mesh 24, one side, far away from the support plate 29, of the two second metal meshes 24 is in screwed connection with the outer wall of the second ceramic plate 25, the upper part of the first metal pole plate 4 is provided with a first metal mesh 5, and one end, far away from the first metal pole plate 4, of the two first conductive posts 7 runs, first lead 7 top one end screwed connection of electrical pillar and have second metal polar plate 6, the both sides screwed connection of second metal polar plate 6 has the second to lead electrical pillar 8, the second leads electrical pillar 8 from the top down and runs through in first metal mesh 5 and first metal polar plate 4 in proper order, the second leads electrical pillar 8 to keep away from one side of second metal polar plate 6 one end screwed connection in second metal mesh 24. The upper surface both sides of second metal polar plate 6 are provided with two lightning rod bodies 18 respectively, one side of lightning rod body 18 is connected with earth connection 9, earth connection 9's joint introduces ground, and through above setting, when the lightning touched lightning rod body 18, earth connection 9 can be with the lightning to draw ground, and the electric current in time introduces the ground, has improved the anti-thunder and lightning's of transformer impact strength. Insulation board 2 has all been bonded to the inner wall both sides and the inner wall top of box 1, moisture absorption plate 21 has been bonded to the inner wall bottom of box 1, and through above setting, insulation board 2 can play certain insulating effect in the inside of box 1, and the buffering or the lightening take place thunder and lightning electric current and to transformer body 22 contact. Equal screwed connection of both sides inner wall of box 1 has heat dissipation fan 12, the one end intercommunication of heat dissipation fan 12 has blast pipe 13, blast pipe 13 is kept away from the one end of heat dissipation fan 12 and is run through in one side of box 1, blast pipe 13 is kept away from the inside filter screen 14 that is provided with of the one end of heat dissipation fan 12, and the heat of fan 12 with the inside transformer body 22 of box 1 through the heat dissipation is effused, and heat dissipation fan 12 and through-hole 23's cooperation makes the air cycle flow in the box 1, and blast pipe 13 is located the outer one end position of box 1 and towards ground, can prevent that the rainwater from getting into heat dissipation fan 12 from blast pipe 13 in, cause the harm to heat dissipation fan 12 and the transformer body 22 in. Two mounting 16 of the equal fixedly connected with in both sides of lightning rod body 18, the inside threaded connection of mounting 16 has bolt 17, bolt 17 from the top down runs through mounting 16 and second metal polar plate 6 in proper order, and through above setting, two mounting 16 carry out the centre gripping to lightning rod body 18 to fix through bolt 17 and second metal polar plate 6, prevent that lightning rod body 18 from using for a long time, and lead to the security unstable, and can produce the fixed action to second metal polar plate 6. The laminating of the both ends of second ceramic plate 25 is connected with baffle 11, one side bottom screw connection that is close to second ceramic plate 25 of baffle 11 is in upper surface one side of first ceramic plate 3, the shape that second ceramic plate 25 one side was kept away from to baffle 11 is the curved setting, and through above setting, baffle 11 forms rain-proof cover, can prevent that the rainwater from directly falling into on box 1 to guaranteed the safe operation of transformer, improved the lightning protection's of transformer function. Two bases 19 of transformer body 22's the mutual symmetrical welding in bottom both sides, the inner wall both sides welding that box 1 is close to base 19 has fixed plate 28, two one side of keeping away from transformer body 22 of base 19 runs through in the inside of fixed plate 28, one side fixed connection of base 19 lower surface is in the upper surface of hygroscopic plate 21, through above setting, base 19 is used for isolated transformer body 22 and box 1's bottom direct contact, and the effect through-hole 23, makes the space formation circulation of air between box 1 and fixed plate 28, and hygroscopic plate 21 can absorb box 1 and base 19's junction moisture, has reduced the humidity of box 1 bottom, makes transformer body 22 keep dry, improves transformer body 22's lightning protection effect. Through-hole 23 that the equidistance distributes is seted up to the upper surface of fixed plate 28, the inside of through-hole 23 all is provided with grid 20, and through above setting, through-hole 23 helps the circulation with the inside heat air of transformer body 22, and prevents through grid 20 that the dust from entering into transformer body 22 in the box 1 from through-hole 23 on. The lower surface of second ceramic plate 25 bonds and has insulating rubber piece 27, insulating rubber piece 27's lower fixed surface is connected with support column 26, support column 26 keeps away from insulating rubber piece 27's one end fixed connection in the upper surface of first ceramic plate 3, through above setting, two support columns 26 support the both sides of second ceramic plate 25 respectively, and the lower surface of second ceramic plate 25 sets up insulating rubber piece 27, plays certain insulating effect, avoids electrically conductive, and second ceramic plate 25 and insulating rubber piece 27's cooperation reinforcing second ceramic plate 25's protection, the buffering or alleviate take place lightning current to transformer body 22 contact, avoid causing transformer body 22's damage.
In addition, the present invention also provides: an installation method of an outdoor transformer lightning arrester for power engineering comprises the following steps:
s1, firstly, mounting two sides of a second ceramic plate on a first ceramic plate, then supporting a supporting plate through a baffle plate, fixing a second metal net and a first metal pole plate on the supporting plate, and enabling the bottom of the first metal pole plate to be attached to the top of the second ceramic plate, wherein the arc length of the first ceramic plate is 1/4 of the circumference;
s2, fixing the two first conductive columns and the second conductive column on the first metal polar plate, and enabling the bottom of the second conductive column to be connected with the second metal mesh, wherein the tops of the first conductive columns and the second conductive column are connected with the second metal polar plate through the first metal mesh, the gap distance between the first metal polar plate and the second metal polar plate is 13cm, the distance between the two first conductive columns is 11cm, and the distance between the first conductive columns and the second conductive columns is 15 cm;
and S3, connecting the lightning rod bodies to the second metal pole plate through fixing pieces, connecting the lightning rod bodies to the grounding wire, and finally connecting the grounding wire to the ground, wherein the distance between the two lightning rod bodies is 36 cm.
The working principle or the structural principle is that when the lightning rod is used, firstly, when the lightning rod body 18 is touched by the lightning, the grounding wire 9 can lead the lightning to the ground, the current is led to the ground in time, the impact strength of the transformer against the lightning is improved, the contact area of the current is increased through the second metal pole plate 6, the current is converged and led to the first metal pole plate 4 through the two first conductive columns 7 and the two second conductive columns 8, the effect of collecting the lightning current is improved, in the process of leading the current, the current is prevented from leaking out through the first metal net 5, the second conductive columns 8 are connected to the second metal net 24, the second conductive columns 8 and the first conductive columns 7 form twice collection buffering of the lightning current and the current leakage prevention, then, the collected current is gradually reduced through the matching of the second ceramic plate 25 and the insulating rubber sheet 27, and the effect of current buffering is achieved, and the current is blocked again through the first ceramic plate 3, effectively reducing the current of the thunder and lightning.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides an outdoor transformer lightning arrester for power engineering, includes box (1), its characterized in that: the upper surface screw connection of box (1) has first ceramic plate (3), the last fixed surface of first ceramic plate (3) is connected with second ceramic plate (25), one side that box (1) was kept away from in second ceramic plate (25) is provided with first metal polar plate (4), the upper surface of first metal polar plate (4) is provided with two first electrically conductive posts (7), the equal screw connection in both ends of first metal polar plate (4) has backup pad (29), two one side that first metal polar plate (4) were kept away from in backup pad (29) has all welded second metal mesh (24), two one side screw connection that backup pad (29) were kept away from in second metal mesh (24) is in the outer wall of second ceramic plate (25), the upper portion of first metal polar plate (4) is provided with first metal mesh (5), two the one end that first metal polar plate (4) were kept away from in first electrically conductive post (7) runs through in the inside of first metal mesh (5), first lead electrical pillar (7) top one end screwed connection to have second metal polar plate (6), the both sides screwed connection of second metal polar plate (6) has the second to lead electrical pillar (8), the second leads electrical pillar (8) from the top down and runs through in first metal mesh (5) and first metal polar plate (4) in proper order, the second leads electrical pillar (8) to keep away from one end screwed connection in one side of second metal mesh (24) of second metal polar plate (6).
2. An outdoor transformer arrester for power engineering according to claim 1, characterized in that: two lightning rod bodies (18) are respectively arranged on two sides of the upper surface of the second metal polar plate (6), one side of each lightning rod body (18) is connected with a grounding wire (9), and a joint of each grounding wire (9) is led into the ground.
3. An outdoor transformer arrester for power engineering according to claim 1, characterized in that: insulation plates (2) are bonded to two sides of the inner wall of the box body (1) and the top of the inner wall, and a moisture absorption plate (21) is bonded to the bottom of the inner wall of the box body (1).
4. An outdoor transformer arrester for power engineering according to claim 1, characterized in that: the equal screwed connection of both sides inner wall of box (1) has heat dissipation fan (12), the one end intercommunication of heat dissipation fan (12) has blast pipe (13), the one end that heat dissipation fan (12) were kept away from in blast pipe (13) runs through in one side of box (1), the inside filter screen (14) that is provided with of one end that heat dissipation fan (12) were kept away from in blast pipe (13).
5. An outdoor transformer arrester for power engineering according to claim 1, characterized in that: the lightning rod is characterized in that two fixing pieces (16) are fixedly connected to two sides of the lightning rod body (18), a bolt (17) is connected to the inner threads of the fixing pieces (16), and the bolt (17) penetrates through the fixing pieces (16) and the second metal pole plate (6) from top to bottom in sequence.
6. An outdoor transformer arrester for power engineering according to claim 1, characterized in that: the laminating of the both ends of second ceramic plate (25) is connected with baffle (11), one side bottom screw connection that is close to second ceramic plate (25) of baffle (11) is in upper surface one side of first ceramic plate (3), the shape that second ceramic plate (25) one side was kept away from in baffle (11) is crooked form setting.
7. An outdoor transformer arrester for power engineering according to claim 1, characterized in that: the mutual symmetrical welding in bottom both sides of transformer body (22) has two bases (19), the inner wall both sides welding that box (1) is close to base (19) has fixed plate (28), two one side of keeping away from transformer body (22) of base (19) runs through in the inside of fixed plate (28), one side fixed connection of base (19) lower surface is in the upper surface of moisture absorption plate (21).
8. An outdoor transformer arrester for power engineering according to claim 7, characterized in that: through-hole (23) that the equidistance distributes are seted up to the upper surface of fixed plate (28), the inside of through-hole (23) all is provided with grid (20).
9. An outdoor transformer arrester for power engineering according to claim 1, characterized in that: the lower surface of second ceramic plate (25) bonds there is insulating rubber piece (27), the lower fixed surface of insulating rubber piece (27) is connected with support column (26), the one end fixed connection in the upper surface of first ceramic plate (3) of insulating rubber piece (27) is kept away from in support column (26).
10. A method of installing an outdoor transformer arrester for power engineering according to any of claims 1-9, characterized in that: the method comprises the following steps:
s1, firstly, mounting two sides of a second ceramic plate on a first ceramic plate, then supporting a supporting plate through a baffle plate, fixing a second metal net and a first metal polar plate on the supporting plate, enabling the bottom of the first metal polar plate to be attached to the top of the second ceramic plate, and enabling the arc length of the first ceramic plate to be 1/3-1/4 of the circumference length;
s2, fixing the two first conductive columns and the second conductive column on the first metal polar plate, and enabling the bottom of the second conductive column to be connected with the second metal mesh, wherein the tops of the first conductive columns and the second conductive column are connected with the second metal polar plate through the first metal mesh, the gap distance between the first metal polar plate and the second metal polar plate is 7-15cm, the distance between the two first conductive columns is 6-12cm, and the distance between the first conductive columns and the second conductive column is 9-15 cm;
and S3, connecting the lightning rod bodies to the second metal pole plate through fixing pieces, connecting the lightning rod bodies to the ground wire, and finally connecting the ground wire to the ground, wherein the distance between the two lightning rod bodies is 28-42 cm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911210461.0A CN110767432A (en) | 2019-12-02 | 2019-12-02 | Outdoor transformer lightning arrester for power engineering and installation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911210461.0A CN110767432A (en) | 2019-12-02 | 2019-12-02 | Outdoor transformer lightning arrester for power engineering and installation method thereof |
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| JP2001085254A (en) * | 1999-09-13 | 2001-03-30 | Toshiba Corp | Transformer for combined gas-insulated lightning arrester and grounding instrument |
| JP2005228883A (en) * | 2004-02-12 | 2005-08-25 | Docomo Engineering Kansai Inc | Thunder-resistive transformer |
| CN208189332U (en) * | 2018-04-04 | 2018-12-04 | 张瑞泉 | A kind of transformer lightning protection device |
| CN110033923A (en) * | 2019-04-30 | 2019-07-19 | 南通市海王电气有限公司 | A kind of lightning protection heat radiating type transformer |
| CN210956419U (en) * | 2019-12-02 | 2020-07-07 | 衢州学院 | Outdoor transformer lightning arrester for power engineering |
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2019
- 2019-12-02 CN CN201911210461.0A patent/CN110767432A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001085254A (en) * | 1999-09-13 | 2001-03-30 | Toshiba Corp | Transformer for combined gas-insulated lightning arrester and grounding instrument |
| JP2005228883A (en) * | 2004-02-12 | 2005-08-25 | Docomo Engineering Kansai Inc | Thunder-resistive transformer |
| CN208189332U (en) * | 2018-04-04 | 2018-12-04 | 张瑞泉 | A kind of transformer lightning protection device |
| CN110033923A (en) * | 2019-04-30 | 2019-07-19 | 南通市海王电气有限公司 | A kind of lightning protection heat radiating type transformer |
| CN210956419U (en) * | 2019-12-02 | 2020-07-07 | 衢州学院 | Outdoor transformer lightning arrester for power engineering |
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