CN110350467B

CN110350467B - Outdoor transformer with lightning protection function

Info

Publication number: CN110350467B
Application number: CN201910710036.1A
Authority: CN
Inventors: 徐金水; 张成勇
Original assignee: Jiangsu Jianxiong Electrical Installation Engineering Co ltd
Current assignee: Jiangsu Jianxiong Electrical Installation Engineering Co ltd
Priority date: 2019-08-02
Filing date: 2019-08-02
Publication date: 2020-07-17
Anticipated expiration: 2039-08-02
Also published as: CN110350467A

Abstract

The invention discloses a transformer with lightning protection function for outdoor use, which belongs to the technical field of lightning protection transformers and comprises a bottom plate and a top plate, two transformers are arranged between the bottom plate and the top plate, a lightning arrester is arranged between the bottom plate and the top plate, the lightning arrester is positioned between the transformers on the two sides, the top of the top plate is uniformly provided with a damping device, the top of the damping device is provided with a standby conducting plate, the lightning protection device is provided with a leading electric pole and matched with a lightning arrester to perform long-time lightning protection, when the main conducting pole is accidentally damaged, such as the pole body is broken, the arc ball body is damaged or the main conducting plate cannot be protected from lightning due to lightning stroke damage, temporary lightning protection can be performed through the spare lightning rod, the spare conductive plate and the spare grounding lead, therefore, the lightning protection effect of the transformer in a strong wind day is guaranteed, and the situation that the damage of the transformer caused by lightning directly influences the use of the electric appliance is avoided.

Description

Outdoor transformer with lightning protection function

Technical Field

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

Background

The transformer is the device that utilizes electromagnetic induction's principle to change alternating voltage, extensive be used for the electric power construction trade, and current transformer is when meetting thunderstorm weather, often appear meeting with the thunderbolt, lead to rising with the electric voltage extremely fast, thereby cause transformer and consumer's damage, in order to avoid the transformer by the thunderbolt, so widely adopt to install lightning rod or arrester at the top of transformer and carry out lightning protection work, but thunderstorm weather can be followed with strong wind weather often, to this, the lightning rod appears easily under the influence of strong wind weather, continuous stress that receives, thereby lead to lightning rod life to descend, so need improve the lightning protection equipment of current transformer, improve lightning-arrest effect.

Disclosure of Invention

The invention aims to provide an outdoor transformer with a lightning protection function, and the transformer is used for solving the problem of how to play a temporary auxiliary lightning protection effect when an accident occurs to a lightning rod in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a transformer with a lightning protection function for outdoor use comprises a bottom plate and a top plate, wherein two transformers are installed between the bottom plate and the top plate, lightning arresters are installed between the bottom plate and the top plate and located on two sides between the transformers, a damping device is evenly arranged on the top of the top plate, a standby conducting plate is arranged on the top of the damping device, standby conducting rods are evenly welded on the top of the top plate and are inserted into inner rings of the damping device on one adjacent side, the standby conducting rods penetrate through the standby conducting plates, conducting pieces are installed at the joints of the standby conducting plates and the standby conducting rods, the standby conducting rods are inserted into the inner rings of the conducting pieces, standby arc-shaped balls are integrally formed on the tops of the standby conducting rods, standby lightning rods are integrally formed on the tops of the standby arc-shaped balls, and two main conducting rods are welded on the tops of the standby conducting plates, the main leading electric pole is positioned right above the transformer at one adjacent side, a main arc ball body is integrally formed at the top of the main leading electric pole, the top of the main arc sphere is integrally formed with a main lightning rod, the outer wall of the main electric pole is sleeved with a stress relief device, the middle position of the bottom of the top plate is welded with a main conducting plate, the bottom of the main conducting pole is connected with the main conducting plate through a conducting wire, the main conductive plate is connected with a lightning arrester through a wire, the bottom of the lightning arrester is connected with a main grounding lead, the right side wall of the standby conductive plate is connected with a standby grounding lead, and the main grounding lead and the standby grounding lead are both connected with a lightning rod, the stress relieving device comprises a sealing bearing, the sealed bearing is characterized in that a shell is welded on an outer ring of the sealed bearing, connecting rods are symmetrically welded on the left side and the right side of the outer ring of the shell, and stress hemispheres which are transversely symmetrical are welded on the connecting rods on the two sides.

Preferably, the spare lightning rod is a lightning rod with the top height lower than that of the main lightning rod.

Preferably, electrically conductive piece includes the sleeve, and evenly nested has conductive wire on the telescopic inner wall, and conductive wire laminates mutually with the outer wall of reserve conducting rod, just integrated into one piece has the electrically conductive inner core of metal that is connected with conductive wire in the inner chamber of reserve conducting plate, just reserve ground lead connects on the electrically conductive inner core of metal.

Preferably, the damping device comprises an upper disc-shaped rubber pad and a lower disc-shaped rubber pad which are symmetrically overlapped, and the disc-shaped rubber pads are sleeved on the outer wall of the standby conducting rod.

Preferably, the outer wall of the stressed hemisphere is uniformly and integrally formed with lightning-triggering conductive burrs.

Preferably, integrated into one piece has the draw-in groove with stress relief device assorted on the outer wall of leading pole, just stress relief device joint is in the inner chamber of draw-in groove.

Preferably, the stressed hemisphere is a semi-spherical hollow structure, and a 3-degree inclination angle is arranged on a longitudinal vertical line at the joint of the stressed hemisphere and the connecting rod.

Compared with the prior art, the invention has the beneficial effects that:

1) the lightning protection device is provided with the main electric pole and matched with the lightning arrester to perform long-time lightning protection, and when the main electric pole is accidentally damaged, such as a pole body is broken, an arc ball body is damaged or lightning can not be protected due to lightning damage of the main conductive plate, temporary lightning protection can be performed through the spare lightning rod, the spare conductive plate and the spare grounding lead, so that the lightning protection effect of the transformer in a strong wind day is ensured, and the direct influence of the damage of the transformer caused by lightning on the use of electric appliances is avoided.

2) According to the lightning protection device, the damping device and the stress relieving device are arranged, when the normal supporting effect is ensured, the disc-shaped rubber pad is extruded and reduced, the stressed hemispheroid is rotated by wind power, the stress counteracting effect caused by stress on the main electric pole is effectively improved, the service life of the main lightning rod is prolonged, and the lightning-inducing conductive burrs are arranged on the stressed hemispheroid, so that the stress relieving device is also a small lightning-inducing rod, the lightning protection effect of the main electric pole is assisted, the three-layer lightning protection use is realized, and the follow-up standby lightning protection device can be quickly used for standby along with the height damage of the lightning rod, and the damage caused by lightning stroke is avoided.

Drawings

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

FIG. 2 is a schematic view of a conductive device according to the present invention;

FIG. 3 is a schematic structural diagram of a stress relief apparatus according to the present invention.

In the figure: the lightning arrester comprises a base plate 1, a top plate 2, a transformer 3, a lightning arrester 4, a damping device 5, a standby conducting plate 6, a standby conducting rod 7, a conducting piece 8, a standby arc ball 9, a standby lightning rod 10, a main conducting rod 11, a main arc ball 12, a main lightning rod 13, a stress relief device 14, a sealed bearing 141, a shell 142, a connecting rod 143, a stressed hemisphere 144, a main conducting plate 15, a main grounding lead 16, a standby grounding lead 17 and a lightning rod 18.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides an outdoor transformer that has lightning protection function, includes bottom plate 1 and roof 2, install two transformers 3 between bottom plate 1 and the roof 2, install arrester 4 between bottom plate 1 and the roof 2, and arrester 4 is located both sides between the transformer 3, the normal installation to transformer 3 is realized to bottom plate 1 and roof 2 to play certain protecting effect, arrester 4 is arranged in main lightning rod and stress elimination device 14 use, main voltage limiting effect, thereby avoids long-time use, and the extremely fast rising of voltage leads to transformer 3 to damage.

The top of roof 2 evenly is equipped with damping device 5, damping device 5's top is equipped with reserve current conducting plate 6, and damping device 5 can realize reciprocating of reserve current conducting plate 6 in certain stroke through adopting two upper and lower symmetry superimposed dish-shaped rubber pads, and then realizes the buffering to leading the vertical direction atress of pole 11, improves vertical stress and offsets.

Spare conductive rods 7 are uniformly welded on the top of the top plate 2, the spare conductive rods 7 are inserted into the inner rings of the shock absorption devices 5 on the adjacent sides, the spare conductive rods 7 penetrate through the spare conductive plates 6, conductive pieces 8 are installed at the joints of the spare conductive plates 6 and the spare conductive rods 7, the spare conductive rods 7 are inserted into the inner rings of the conductive pieces 8, spare arc spheres 9 are integrally formed on the tops of the spare conductive rods 7, spare lightning rods 10 are integrally formed on the tops of the spare arc spheres 9, the spare conductive rods 7, the spare arc spheres 9 and the spare lightning rods 10 which are fixed on the top plate 2 conduct electricity through the spare conductive plates 8 on the spare conductive plates 6, and the conductive pieces of the two sets of lightning protection equipment are designed, so that when the main lightning protection equipment is damaged, the height is changed or the lightning protection effect is damaged, carry out reserve through complete lightning strike introduction design to elasticity through the preferential drainage of eminence electric current adopts the lower reserve lightning rod 10 of height, realizes gradient formula lightning strike, reserve the depositing in daily going on.

The top welding of reserve current conducting plate 6 has two main lead poles 11, just main lead pole 11 is located adjacent one side directly over transformer 3, the top integrated into one piece of main lead pole 11 has main circular arc spheroid 12, the top integrated into one piece of main circular arc spheroid 12 has main lightning rod 13, stress relieving device 14 has been cup jointed on the outer wall of main lead pole 11, the bottom intermediate position welding of roof 2 has main conducting plate 15, the bottom of main lead pole 11 is connected with main conducting plate 15 through the wire, just main conducting plate 15 is connected with arrester 4 through the wire, the bottom of arrester 4 is connected with main ground lead 16, be connected with reserve ground lead 17 on the right side wall of reserve current conducting plate 6, just main ground lead 16 and reserve ground lead 17 all are connected with lightning rod 18, through installing main lightning-arrest equipment, the lightning protection device is installed according to the optimal construction standard, so that the daily lightning protection effect is guaranteed, and the main lightning protection effect is achieved.

Stress relieving device 14 includes sealed bearing 141, the welding has shell 142 on sealed bearing 141's the outer lane, the symmetrical welding of the outer lane left and right sides of shell 142 has connecting rod 143, both sides the welding has stress hemispheroid 144 of horizontal symmetry on connecting rod 143, when main lightning-arrest equipment appears because the circular arc plane of flow guide is impaired, even integrated into one piece has the lightning-inducing conductive burr on stress hemispheroid 144 outer wall, realize the drainage, played the substitution to main circular arc spheroid 12, and when receiving external force, stress hemispheroid 144 rotates under external force such as wind-force, thereby drive shell 142 and rotate, the friction through sealed bearing 141 offsets, draw the elimination with the stress that leading pole 11 received, improve leading pole 11's life.

Wherein, the spare lightning rod 10 is a lightning rod with the top height lower than that of the main lightning rod 13, so as to realize the daily lightning guiding use through the main lightning rod 13 with higher height, when the main lightning rod 13 is broken or cannot guide current, the spare lightning rod 10 is used for fast guiding current, so as to improve the protection effect on the transformer 3, the conductive piece 8 comprises a sleeve, conductive metal wires are uniformly nested on the inner wall of the sleeve, the conductive metal wires are attached to the outer wall of the spare conductive rod 7, a metal conductive inner core connected with the conductive metal wires is integrally formed in the inner cavity of the spare conductive plate 6, the spare grounding lead 17 is connected onto the metal conductive inner core, so that the spare conductive rod 7 is contacted with the conductive metal wires to complete the conduction, the normal up-and-down movement of the spare conductive plate 6 is not influenced, and the main conductive pole 11 is protected, the damping device 5 comprises two disc-shaped rubber pads which are symmetrically overlapped up and down, the disc-shaped rubber pads are sleeved on the outer wall of the standby conducting rod 7 to ensure that the stress is eliminated by elastic buffering in a certain stroke, the outer wall of the stress hemisphere 144 is uniformly and integrally formed with lightning-inducing conductive burrs, the design of a small lightning rod and an arc surface of a needle type is realized, the lightning-inducing effect is realized, the main lightning equipment can be designed for standby while the transverse stress is eliminated, a clamping groove matched with the stress eliminating device 14 is integrally formed on the outer wall of the main conducting rod 11, the stress eliminating device 14 is clamped in an inner cavity of the clamping groove, the normal connection of the bearing 141 and the main conducting rod 11 is realized, the stress is eliminated through the friction between the inner ring and the outer ring of the bearing 141 during rotation, the protection of the main conducting rod 11 is improved, the service life is prolonged, and the external force resisting effect are achieved, the stressed hemisphere 144 is a semi-spherical hollow structure, and a 3-degree inclination angle is arranged on a longitudinal vertical line at the joint of the stressed hemisphere 144 and the connecting rod 143, so that the stress direction is changed, and multi-directional counteraction of stress is realized.

The working principle is as follows: the invention carries out lightning protection design by arranging main lightning protection equipment and installation construction standards, and spare lightning protection equipment is arranged below the main lightning protection equipment, thereby, under the condition that the main lightning protection equipment is damaged, the emergency lightning protection is carried out by the standby lightning protection equipment, the lightning protection effect of the transformer 3 is improved under the condition that the main lightning protection equipment is damaged, the lightning protection probability is improved, thereby reducing the damage to the electric device, and by arranging two symmetrically superposed dish-shaped rubber pads and a stress eliminating device 14, the counteracting of the stress borne by the leading pole 11 is realized, which is convenient for improving the external force resisting effect and the service life of the leading pole 11 in the windy weather, and by arranging the lightning-inducing conductive burr on the stressed hemispheroid 144, two miniature lightning rod promptly when improving the effect of drawing thunder, play the standby effect, the outdoor transformer 3's of being convenient for lightning protection is used.

While there have been shown and described the fundamental principles and essential features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

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

1. The utility model provides an outdoor transformer that has lightning protection function, includes bottom plate (1) and roof (2), install two transformer (3) between bottom plate (1) and roof (2), install arrester (4) between bottom plate (1) and roof (2), and arrester (4) are located both sides between transformer (3), its characterized in that: the top of the top plate (2) is uniformly provided with a damping device (5), the top of the damping device (5) is provided with a standby conducting plate (6), the top of the top plate (2) is uniformly welded with a standby conducting rod (7), the standby conducting rod (7) is inserted into the inner ring of the damping device (5) on one adjacent side, the standby conducting rod (7) penetrates through the standby conducting plate (6), a conducting piece (8) is installed at the joint of the standby conducting plate (6) and the standby conducting rod (7), the standby conducting rod (7) is inserted into the inner ring of the conducting piece (8), the top of the standby conducting rod (7) is integrally formed with a standby arc ball body (9), the top of the standby arc ball body (9) is integrally formed with a standby lightning rod (10), and the top of the standby conducting plate (6) is welded with two main conducting poles (11), and the main conducting pole (11) is positioned on one adjacent side right above the transformer (3), the top of the main conducting pole (11) is integrally formed with a main arc ball body (12), the top of the main arc ball body (12) is integrally formed with a main lightning rod (13), a stress eliminating device (14) is sleeved on the outer wall of the main conducting pole (11), a main conducting plate (15) is welded at the middle position of the bottom of the top plate (2), the bottom of the main conducting pole (11) is connected with the main conducting plate (15) through a wire, the main conducting plate (15) is connected with the lightning arrester (4) through a wire, the bottom of the lightning arrester (4) is connected with a main grounding lead (16), a standby grounding lead (17) is connected on the right side wall of the standby conducting plate (6), and the main grounding lead (16) and the standby grounding lead (17) are both connected with a lightning rod (18), the stress relieving device (14) comprises a sealing bearing (141), a shell (142) is welded on the outer ring of the sealing bearing (141), connecting rods (143) are symmetrically welded on the left side and the right side of the outer ring of the shell (142), and stress hemispheroids (144) which are transversely symmetrical are welded on the connecting rods (143).

2. The outdoor transformer with lightning protection function according to claim 1, characterized in that: the spare lightning rod (10) is a lightning rod with the top height lower than that of the main lightning rod (13).

3. The outdoor transformer with lightning protection function according to claim 1, characterized in that: the conductive piece (8) comprises a sleeve, a conductive metal wire is uniformly nested on the inner wall of the sleeve, the conductive metal wire is attached to the outer wall of the standby conductive rod (7), a metal conductive inner core connected with the conductive metal wire is integrally formed in the inner cavity of the standby conductive plate (6), and the standby grounding lead (17) is connected to the metal conductive inner core.

4. The outdoor transformer with lightning protection function according to claim 1, characterized in that: the damping device (5) comprises an upper disc-shaped rubber pad and a lower disc-shaped rubber pad which are symmetrically overlapped, and the disc-shaped rubber pads are sleeved on the outer wall of the standby conducting rod (7).

5. The outdoor transformer with lightning protection function according to claim 1, characterized in that: the outer wall of the stressed hemisphere (144) is uniformly and integrally formed with lightning-guiding conductive burrs.

6. The outdoor transformer with lightning protection function according to claim 1, characterized in that: the outer wall of the main electric pole (11) is integrally formed with a clamping groove matched with the stress relieving device (14), and the stress relieving device (14) is clamped in an inner cavity of the clamping groove.

7. The outdoor transformer with lightning protection function according to claim 1, characterized in that: the stress hemisphere (144) is of a semi-arc sphere type hollow structure, and an inclination angle of 3 degrees is arranged on a longitudinal vertical line at the joint of the stress hemisphere (144) and the connecting rod (143).