CN111091963B

CN111091963B - Outdoor lightning protection type transformer

Info

Publication number: CN111091963B
Application number: CN201911290138.9A
Authority: CN
Inventors: 不公告发明人
Original assignee: Shanghai Electric Group Zhangjiagang Transformer Co Ltd
Current assignee: Shanghai Electric Group (Zhangjiagang) Transformer Co., Ltd
Priority date: 2019-12-16
Filing date: 2019-12-16
Publication date: 2021-01-26
Anticipated expiration: 2039-12-16
Also published as: CN111091963A

Abstract

The invention discloses an outdoor lightning protection type transformer which comprises a transformer protection cabinet, a humidity sensor, a motor and a lightning rod body, wherein the humidity sensor is fixedly installed on one side of the top of the transformer protection cabinet, a reserved air cavity is formed in the bottom of the transformer protection cabinet, the rod end of a screw rod is fixedly connected with the motor, a wind shielding push plate is movably installed on the outer wall of the screw rod, an insulating ceramic cylinder is fixedly installed on the outer wall of the side of the transformer protection cabinet, the lightning rod body is located in an inner cavity, a rubber ring is movably installed at the position of an outlet of the top of the insulating ceramic cylinder, and a positioning rubber block is fixed on the inner wall of one end, located outside the sleeve, of an insulating connecting rod. This outdoor lightning protection type transformer can carry out the use of lightning protection structure by oneself and accomodate the protection, reduces the external wind-force of depositing and leading to and bends and damage, can greatly reduce wind and rain impact external force at the in-process that uses simultaneously, reaches the use protection of lightning protection structure.

Description

Outdoor lightning protection type transformer

Technical Field

The invention relates to the technical field of transformers, in particular to an outdoor lightning protection type transformer.

Background

The transformer is the equipment instrument that adjusts alternating voltage through the electromagnetic induction effect, use through the transformer, when carrying out long-distance alternating current transmission and transport, maintain the stability of transmission voltage, the effectual alternating current of avoiding produces because of the voltage unstability that resistance problem consumed at the in-process of carrying, influence the normal supply use of electric energy, in current power transmission, the transformer is by extensive use, make the remote area also can carry out good power supply application, obvious use advantage has, in order to avoid power transmission, the power transmission circuit damage because of the thunderbolt problem causes, need carry out outdoor use's lightning protection to the transformer.

However, the existing lightning protection type transformer has the following problems when in use:

1. because the transformer body is in the outdoor environment for a long time, the lightning protection structure has large acting force and reaction force which receive wind power when the transformer body works outdoors, and generates swinging motion due to the long-term wind power, the positioning connection part of the transformer body is easy to be damaged due to the wind power, and the transformer body needs frequent inspection and maintenance, so that economic burden is caused, and the normal lightning protection work of the transformer is influenced;

2. in rainwater weather, the lightning protection structure carries out the during operation, and lightning protection structure wind and rain strikes exogenic action greatly, and the antidetonation barrier propterty of structure body is not good, and the damage of buckling in the use appears easily, leads to the normal lightning protection work inefficacy of transformer.

In order to solve the above problems, innovative design based on the original lightning protection transformer is urgently needed.

Disclosure of Invention

The invention aims to provide an outdoor lightning protection type transformer, and aims to solve the problems that the existing lightning protection type transformer is easily damaged by wind power at a positioning connection part, needs frequent inspection and maintenance, causes economic burden and influences the normal lightning protection work of the transformer, has large wind and rain impact external force action of the lightning protection structure when the lightning protection structure works in rainy weather, has poor anti-seismic protection performance of the structure body, is easy to bend and damage in the use process and causes the failure of the normal lightning protection work of the transformer due to the fact that the transformer body is in an outdoor environment for a long time, and has large acting force and reacting force of the lightning protection structure receiving the wind power when the lightning protection structure works in the outdoor work.

In order to achieve the purpose, the invention provides the following technical scheme: an outdoor lightning protection type transformer comprises a transformer protection cabinet, a humidity sensor, a motor and a lightning rod body, wherein the humidity sensor is fixedly installed on one side of the top of the transformer protection cabinet, a reserved air cavity is formed in the bottom of the transformer protection cabinet, a lead screw is rotatably installed in the reserved air cavity, the motor is fixedly connected to the rod end of the lead screw, a wind shielding push plate is movably installed on the outer wall of the lead screw, an insulating ceramic cylinder is fixedly installed on the outer wall of the side of the transformer protection cabinet, an inner cavity is reserved in the insulating ceramic cylinder, a conductive rod is fixedly arranged in the inner cavity, a grounding wire is movably connected to the end portion of the conductive rod, the lightning rod body is located in the inner cavity, a connecting seat is movably connected to the bottom of the lightning rod body, a positioning ring is fixedly arranged at the top of the connecting seat, and, the avris of connecting seat is fixed with the conducting ring, and the conducting ring cover is located on the outer wall of conducting rod to equal fixed mounting has sealed isolating ring on the outer wall of connecting seat and conducting ring, the top exit position department movable mounting of an insulating ceramic section of thick bamboo has the rubber ring, transformer protection cabinet top is by being fixed with the location support to one side of an insulating ceramic section of thick bamboo, and the location support runs through and installs the sleeve, and movable mounting has the one end of insulating connecting rod in the sleeve, and two faces of the right extreme point of telescopic horizontal direction left and right ends inner wall and insulating connecting rod are fixed with first magnet piece and second magnet piece respectively, the insulating connecting rod is located the outer one end inner wall of sleeve and is fixed with the location rubber piece, and the outer wall of location rubber piece is laminated each other with the outer wall of lightning rod body and is connected to be fixed with thin pole between.

Preferably, the inside of the reserved air cavity is communicated with the bottom of the inner cavity, the inner volume of the reserved air cavity is smaller than that of the inner cavity, and the reserved air cavity and the inner cavity are communicated in a two-way mode.

Preferably, the screw rod and the reserved air cavity are coaxially arranged, the outer wall of the screw rod is in threaded connection with the middle of the wind shielding push plate, and the outer edge of the wind shielding push plate is in close sealing sliding connection with the inner wall of the reserved air cavity.

Preferably, the connecting end of the conducting rod and the grounding wire is arranged to be of an annular structure, the grounding wire is connected with the insulating ceramic cylinder and the annular end of the conducting rod in a penetrating mode, and the outer wall of the grounding wire is attached to the inner portion of the annular end of the conducting rod.

Preferably, connecting seat and lightning rod body set up the dismantlement mounting structure into the laminating, and the vertical coaxial distribution of connecting seat and holding ring to the equidistance angular slope distributes on the holding ring has the gim peg, and the tip of gim peg is connected for the extrusion formula block with the outer wall of lightning rod body moreover.

Preferably, the connecting seat, the conducting ring and the inner cavity form a lifting structure in sliding connection, and a sealing structure is arranged between the connecting positions of the outer walls of the connecting seat and the conducting ring and the inner wall of the inner cavity through a sealing isolation ring.

Preferably, the middle part of location support evenly runs through to be fixed with the sleeve at an equal interval, and the relative extending structure of sleeve and insulating connecting rod's constitution to the both ends of insulating connecting rod set up respectively to cyclic annular and "T" style of calligraphy structure, and the cyclic annular tip of insulating connecting rod is located same vertical straight line with the lightning rod body moreover.

Preferably, the first magnet piece is located on both sides of the second magnet piece, and the first magnet piece and the second magnet piece have the same magnetism facing the opposite surfaces.

Compared with the prior art, the invention has the beneficial effects that: the outdoor lightning protection type transformer can automatically carry out use and storage protection on a lightning protection structure, reduces wind bending damage caused by external storage, and can greatly reduce wind and rain impact external force in the use process to achieve use protection of the lightning protection structure;

1. the lightning rod body of the inner cavity can do lifting motion due to the change of the air pressure only by mutually communicating the air between the reserved air cavity and the inner cavity under the action of the air pressure of the air in the reserved air cavity, so that the lightning rod body can be rapidly stored and isolated and protected, the lightning rod body cannot be bent and damaged due to the long-term transverse action force of external wind when the lightning rod body is idle, the lightning protection structure is isolated and protected, and the whole structure is simple;

2. when the lightning rod body exposes the use, under homopolar magnetism repulsion effect between first magnet piece and the second magnet piece, carry out wind and rain external force shock attenuation protection to the lightning rod body in the use, avoid the lightning rod body to cause the bending to destroy because of receiving the impact of wind and rain when using, carry out the secondary protection of lightning protection structure, make its working life extension, accomplish the use protection of lightning protection structure.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic view of a connection structure of a conductive rod and a ground wire according to the present invention;

FIG. 3 is a schematic view of the distribution structure of the seal ring of the present invention;

fig. 4 is a schematic view of the mounting structure of the lightning rod body according to the invention;

FIG. 5 is a schematic view of the mounting structure of the insulated connecting rod of the present invention;

fig. 6 is a schematic view of the operation of the humidity sensor.

In the figure: 1. a transformer protection cabinet; 2. a humidity sensor; 3. reserving an air cavity; 4. a screw rod; 5. a motor; 6. a wind shielding push plate; 7. an insulating ceramic cylinder; 8. an inner cavity; 9. a conductive rod; 10. a ground line; 11. a lightning rod body; 12. a connecting seat; 13. a positioning ring; 14. positioning bolts; 15. conducting rings; 16. sealing the isolating ring; 17. a rubber ring; 18. positioning a support; 19. a sleeve; 20. an insulating connecting rod; 21. a first magnet piece; 22. a second magnet piece; 23. positioning a rubber block; 24. a thin rod.

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.

Referring to fig. 1-6, the present invention provides a technical solution: an outdoor lightning protection type transformer comprises a transformer protection cabinet 1, a humidity sensor 2, a reserved air cavity 3, a lead screw 4, a motor 5, a wind shielding push plate 6, an insulating ceramic cylinder 7, an inner cavity 8, a conducting rod 9, a grounding wire 10, a lightning rod body 11, a connecting seat 12, a positioning ring 13, a positioning bolt 14, a conducting ring 15, a sealing isolation ring 16, a rubber ring 17, a positioning support 18, a sleeve 19, an insulating connecting rod 20, a first magnet piece 21, a second magnet piece 22, a positioning rubber block 23 and a thin rod 24, wherein the humidity sensor 2 is fixedly installed on one side of the top of the transformer protection cabinet 1, the reserved air cavity 3 is formed in the bottom of the transformer protection cabinet 1, the lead screw 4 is rotatably installed inside the reserved air cavity 3, the rod end of the lead screw 4 is fixedly connected with the motor 5, the wind shielding push plate 6 is movably installed on the outer wall of the lead screw 4, the insulating ceramic cylinder 7 is, an inner cavity 8 is reserved inside the insulating ceramic cylinder 7, a conductive rod 9 is fixed inside the inner cavity 8, the end part of the conductive rod 9 is movably connected with a grounding wire 10, a lightning rod body 11 is positioned in the inner cavity 8, the bottom of the lightning rod body 11 is movably connected with a connecting seat 12, the top of the connecting seat 12 is fixed with a positioning ring 13, a positioning bolt 14 is arranged on the positioning ring 13 in a penetrating way, a conductive ring 15 is fixed on the side edge of the connecting seat 12, the conductive ring 15 is sleeved on the outer wall of the conductive rod 9, a sealing isolation ring 16 is fixedly arranged on the outer walls of the connecting seat 12 and the conductive ring 15, a rubber ring 17 is movably arranged at the outlet position of the top of the insulating ceramic cylinder 7, a positioning support 18 is fixed on one side of the top of the transformer protection cabinet 1 close to the insulating ceramic cylinder 7, a sleeve 19 is arranged on the positioning support 18 in a penetrating way, and the inner wall of the left and right ends of the horizontal direction of the sleeve 19 and the two faces of the right end point of the insulating connecting rod 20 are respectively fixed with a first magnet piece 21 and a second magnet piece 22, the inner wall of one end of the insulating connecting rod 20, which is positioned outside the sleeve 19, is fixed with a positioning rubber block 23, the outer wall of the positioning rubber block 23 is mutually attached and connected with the outer wall of the lightning rod body 11, and a thin rod 24 is fixed between the middle parts of the insulating connecting rods 20.

Intercommunication setting between the inside of reservation air cavity 3 and inner chamber 8's bottom, and the inside volume of reservation air cavity 3 is less than the inside volume of inner chamber 8, and two-way link up between the two, lead screw 4 and the coaxial setting of reservation air cavity 3, and threaded connection between the outer wall of lead screw 4 and the middle part of the push pedal 6 that keeps out the wind, and the sealed sliding connection of the outward flange of the push pedal 6 that keeps out the wind and the inner wall of reservation air cavity 3 for the laminating, the inside gas of being convenient for reservation air cavity 3 and inner chamber 8 link up each other, thereby control connecting seat 12 and lightning rod body 11's elevating movement effect, carry out lightning rod body 11's use and accomodate, protect lightning rod body 11.

The link of conducting rod 9 and earth connection 10 sets up to annular structure, and earth connection 10 and insulating ceramic section of thick bamboo 7 and the annular end through connection of conducting rod 9 to the outer wall of earth connection 10 and the inside laminating each other of the 9 annular ends of conducting rod, the use of conducting rod 9 is more convenient, and its installation of being convenient for is used, introduces the thunder and lightning at the bottom of the ground.

Connecting seat 12 and lightning rod body 11 set up the dismantlement mounting structure to the laminating, and connecting seat 12 and the vertical coaxial distribution of holding ring 13, and the equidistance angular slope distribution has the gim peg 14 on the holding ring 13, and the tip of gim peg 14 is connected for the extrusion formula block with the outer wall of lightning rod body 11, connecting seat 12 and conducting ring 15 constitute sliding connection's elevation structure with inner chamber 8, and set up to seal structure through sealed spacer ring 16 between the junction of the outer wall of connecting seat 12 and conducting ring 15 and the 8 inner walls of inner chamber, make things convenient for the use and the change maintenance of lightning rod body 11, when using and accomodating, high durability and convenient operation, simple structure.

The middle part of location support 18 evenly runs through to be fixed with sleeve 19 at an equal interval, and sleeve 19 and the relative extending structure of constitution of insulating connecting rod 20, and the both ends of insulating connecting rod 20 set up respectively to cyclic annular and "T" style of calligraphy structure, and the cyclic annular tip of insulating connecting rod 20 is located same vertical straight line with lightning rod body 11, first magnet piece 21 is located the both sides of second magnet piece 22, and first magnet piece 21 and second magnet piece 22 are the same towards the magnetism of opposite face, be convenient for lightning rod body 11's use installation location, simultaneously at its in-process that uses, can be better carry out external force shock attenuation protection, protect lightning rod body 11 in the use, reduce the damage that external force strikes and lead to.

The working principle is as follows: when the outdoor lightning protection type transformer is used, firstly, as shown in fig. 1-3, when the transformer is used for lightning protection, the grounding wire 10 and the conducting rod 9 are attached, penetrated and arranged, and the grounding wire 10 and the ground bottom are connected with each other, so that when the lightning rod body 11 is struck by lightning in work, the lightning sequentially passes through the lightning rod body 11, the connecting seat 12, the conducting ring 15, the conducting rod 9 and the grounding wire 10 and is led underground, thereby protecting and protecting the transformer protection cabinet 1, as shown in fig. 1, 3 and 6, in the process of the transformer protection cabinet 1 in work and use, when the transformer protection cabinet 1 is in rain weather, the humidity sensor 2 senses the external humidity, converts the sensed humidity information into data information through the single chip microcomputer, and compares the data information with the preset information of the system, when the external humidity exceeds the preset threshold value, the lead screw 5 is driven to rotate in a positive and negative mode by the lead, the wind shielding push plate 6 moves left and right in the reserved air cavity 3 under the threaded connection effect of the screw rod 4, and the air in the reserved air cavity 3 is led into the inner cavity 8 due to the jointed sealing connection arrangement between the reserved air cavity 3 and the wind shielding push plate 6, as shown in figures 1 and 3, because the sealing isolation ring 16 is arranged, the inner cavity 8 below the connecting seat 12 and the conducting ring 15 is also arranged in a sealing way, so that the air pressure in the connecting seat 12 and the conducting ring 15 is increased, in order to maintain stable air pressure, the connecting seat 12 and the conducting ring 15 drive the lightning rod body 11 to move upwards, the whole lightning rod body 11 is led out from the inside of the insulating ceramic cylinder 7, the lightning rod body 11 is used, and similarly in a clear day, the lightning rod body 11 is accommodated in the insulating ceramic cylinder 7, so that the lightning rod body 11 is isolated and protected, and the external part of the lightning rod body 11 is prevented from being bent and damaged due to long-term wind blowing;

as shown in fig. 1 and 4-5, when the replacement of the lightning rod body 11 is required, as shown in fig. 4, the positioning bolt 14 arranged obliquely performs extrusion type positioning on the lightning rod body 11, so that the lightning rod body is integrally stable in operation and convenient to maintain and replace, meanwhile, the lightning rod body 11 and the connecting base 12 are attached to each other, so that the lightning rod body 11 is smoothly conductive when in use, as shown in fig. 1 and 5, when the lightning rod body 11 extends outwards for use, the end of the ring structure of the outer wall of the insulating connecting rod 20 is initially positioned under the extrusion action of the positioning rubber block 23, meanwhile, when the lightning rod body 11 is blown by wind, the external force applied to the lightning rod body 11 is weakened under the action of the magnetic like poles of the first magnet piece 21 and the second magnet piece 22, the lightning rod body 11 in the use process is subjected to shock absorption protection, and bending damage in the use process is avoided.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims

1. The utility model provides an outdoor lightning protection type transformer, includes transformer protection cabinet (1), humidity transducer (2), motor (5) and lightning rod body (11), its characterized in that: the transformer protection cabinet is characterized in that a humidity sensor (2) is fixedly mounted on one side of the top of the transformer protection cabinet (1), a reserved air cavity (3) is formed in the bottom of the transformer protection cabinet (1), a lead screw (4) is rotatably mounted in the reserved air cavity (3), a motor (5) is fixedly connected to the rod end of the lead screw (4), a wind shielding push plate (6) is movably mounted on the outer wall of the lead screw (4), an insulating ceramic cylinder (7) is fixedly mounted on the outer wall of the side of the transformer protection cabinet (1), an inner cavity (8) is reserved in the insulating ceramic cylinder (7), a conductive rod (9) is fixed in the inner cavity (8), a grounding wire (10) is movably connected to the end of the conductive rod (9), a lightning rod body (11) is located in the inner cavity (8), and a connecting seat (12) is movably connected to the bottom of the lightning, and the top of the connecting seat (12) is fixed with a positioning ring (13), a positioning bolt (14) is installed on the positioning ring (13) in a penetrating way, a conducting ring (15) is fixed on the side of the connecting seat (12), the conducting ring (15) is sleeved on the outer wall of the conducting rod (9), a sealing isolation ring (16) is fixedly installed on the outer walls of the connecting seat (12) and the conducting ring (15), a rubber ring (17) is movably installed at the outlet position of the top of the insulating ceramic cylinder (7), a positioning support (18) is fixed on one side of the top of the transformer protection cabinet (1) close to the insulating ceramic cylinder (7), a sleeve (19) is installed in the positioning support (18) in a penetrating way, one end of an insulating connecting rod (20) is movably installed in the sleeve (19), and a first magnet piece (21) and a second magnet piece (22) are respectively fixed on the inner wall of the end part of the sleeve (19) and two sides of the end part of, insulating connecting rod (20) are located the outer one end inner wall of sleeve (19) and are fixed with location block rubber (23), and the outer wall of location block rubber (23) and the outer wall of lightning rod body (11) are laminated each other and are connected to be fixed with thin pole (24) between the middle part of insulating connecting rod (20).

2. An outdoor lightning protection type transformer according to claim 1, characterized in that: the inside of the reserved air cavity (3) is communicated with the bottom of the inner cavity (8), the inner volume of the reserved air cavity (3) is smaller than that of the inner cavity (8), and the reserved air cavity and the inner cavity are communicated in two directions.

3. An outdoor lightning protection type transformer according to claim 1, characterized in that: the lead screw (4) and the reserved air cavity (3) are coaxially arranged, the outer wall of the lead screw (4) is in threaded connection with the middle of the wind shielding push plate (6), and the outer edge of the wind shielding push plate (6) is in sealing sliding connection with the inner wall of the reserved air cavity (3) in a fitting mode.

4. An outdoor lightning protection type transformer according to claim 1, characterized in that: the connecting end of the conducting rod (9) and the grounding wire (10) is of an annular structure, the grounding wire (10) is connected with the insulating ceramic cylinder (7) and the annular end of the conducting rod (9) in a penetrating mode, and the outer wall of the grounding wire (10) is attached to the inner portion of the annular end of the conducting rod (9).

5. An outdoor lightning protection type transformer according to claim 1, characterized in that: connecting seat (12) and lightning rod body (11) set up the dismantlement mounting structure into the laminating, and connecting seat (12) and the vertical coaxial distribution of holding ring (13) to equidistance slope distribution has gim peg (14) on holding ring (13), and the tip of gim peg (14) is connected for the extrusion formula block with the outer wall of lightning rod body (11) moreover.

6. An outdoor lightning protection type transformer according to claim 1, characterized in that: the connecting seat (12), the conducting ring (15) and the inner cavity (8) form a sliding connection lifting structure, and a sealing structure is arranged between the connecting positions of the outer walls of the connecting seat (12) and the conducting ring (15) and the inner wall of the inner cavity (8) through a sealing isolation ring (16).

7. An outdoor lightning protection type transformer according to claim 1, characterized in that: the middle part of location support (18) is equidistant evenly to run through and is fixed with sleeve (19), and sleeve (19) and insulating connecting rod (20) constitute relative extending structure to the both ends of insulating connecting rod (20) set up respectively to cyclic annular and "T" style of calligraphy structure, and the cyclic annular tip of insulating connecting rod (20) is located same vertical straight line with lightning rod body (11) moreover.

8. An outdoor lightning protection type transformer according to claim 1, characterized in that: the first magnet piece (21) is positioned on two sides of the second magnet piece (22), and the magnetism of the first magnet piece (21) and the magnetism of the second magnet piece (22) facing to the opposite surfaces are the same.