CN208189332U - A kind of transformer lightning protection device - Google Patents
A kind of transformer lightning protection device Download PDFInfo
- Publication number
- CN208189332U CN208189332U CN201820474653.7U CN201820474653U CN208189332U CN 208189332 U CN208189332 U CN 208189332U CN 201820474653 U CN201820474653 U CN 201820474653U CN 208189332 U CN208189332 U CN 208189332U
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- transformer
- fixedly installed
- metal
- plate
- polar plate
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Abstract
The utility model provides a kind of transformer lightning protection device, it is related to power domain, including pedestal, the centre of the base top is fixedly installed with transformer body, the two sides of the transformer body are provided with oil tank of transformer, and insulation top plate is provided with above the transformer body, is provided with lightning arrester above the insulation top plate, lightning arrester includes shell, and the first wire mesh is fixedly installed at the top of the outer casing inner wall.The transformer lightning protection device; by the first metal polar plate of setting and the second metal polar plate, the contact area of electric current is greatly increased, the voltage of collected current is effectively reduced; bottom by the way that metal cone is arranged is tip-shape; using the principle of point discharge, collect electric current, improves the ability that lightning arrester collects thunder-strike current; by the way that the first wire mesh is arranged; making metal cone, electric arc leaks during discharge, keeps the collection rate of electric current higher, protects the safety of transformer significantly.
Description
Technical field
The utility model relates to technical field of electric power, specially a kind of transformer lightning protection device.
Background technique
Electric power is the energy using electric energy as power, and the invention and application of electric power have started second of industrialization climax, at
Since human history, one of scientific and technological revolution three times that the world occurs changes people's lives from this science and technology, it is current for being both
Internet era we still have the demand of sustainable growth to electric power because we have invented computer and household electrical appliances etc. more to make
With the product of electric power, the emergence of undeniable new technology so that electric power becomes the necessity of people, power distribution cabinet be it is a kind of at
Switchgear and control equipment are covered, it is mainly used as setting power circuit, main electricity consumption as power center (PC) and main switching compound
Standby control, monitoring, measurement and protection, is component part indispensable in distribution system, and importance is self-evident, so
It is particularly important that lightning arrester is set outside transformer；Many transformers currently on the market are also assembled with lightning arrester, but
There is the lightning arrester structure of some installations relatively simple, is only taken shelter from the thunder with one or more metal bar, electric current when lightning stroke
Capacity gauge is not strong, is difficult the safe handling of safe guarantee transformer.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of transformer lightning protection device, solves above-mentioned back
The problem of being proposed in scape technology.
(2) technical solution
In order to achieve the above object, the utility model is achieved by the following technical programs: a kind of transformer lightning protection dress
It sets, including pedestal, the centre of the base top is fixedly installed with transformer body, and the two sides of the transformer body are respectively provided with
There is oil tank of transformer, insulation top plate is provided with above the transformer body, is provided with above the insulation top plate lightning-arrest
Device.
Lightning arrester includes shell, and the first wire mesh, first gold medal are fixedly installed at the top of the outer casing inner wall
Belong to the top on the inside of silk screen and be fixedly installed with the first metal polar plate, the bottom of first metal polar plate is fixedly installed with metal cone
Body, the bottom of the metal cone are provided with the second metal polar plate, and first metal polar plate passes through metal cone and the second gold medal
Belong to pole plate connection, the centre of the outer casing inner wall is fixedly installed with insulation sleeve, is fixedly installed with epoxy on the inside of the insulation sleeve
It manages, the bottom on the inside of the epoxy tube is fixedly installed with third metal polar plate, and the bottom of the third metal polar plate is fixedly mounted
There is insulating ceramics, the bottom of the insulating ceramics is fixedly installed with arc sheetmetal, the fixed peace in the bottom of the arc sheetmetal
Equipped with metal profile, the bottom of the shell is fixedly installed with the 4th metal polar plate, and the bottom of the pedestal is fixedly installed with
Grounding plate, the grounding plate are internally provided with cavity, and the 4th metal polar plate passes through grounding rod and ground connection gold
Belong to plate connection.
Preferably, be provided with heat sink on the outside of the oil tank of transformer, the bottom of the heat sink by mounting base with
Pedestal is fixedly connected, and the top of the heat sink is fixedly connected by mounting base with insulation top plate.
Preferably, the bottom of the metal cone is tip-shape, and the quantity of the metal cone is eight.
Preferably, the top on the inside of the epoxy tube is fixedly installed with insulating bar, and the bottom of the insulating bar is fixedly mounted
There is resistor disc, the bottom of the resistor disc is fixedly installed with insulation spacer.
Preferably, the arc sheetmetal is the arch sheet to raise upward, the arc sheetmetal and metal profile it
Between be provided with the second wire mesh.
Preferably, the bottom of the third metal polar plate is fixedly installed with conducting wire, and the conducting wire is far from third metal polar plate
One end be fixedly connected with arc sheetmetal.
(3) beneficial effect
The utility model provides a kind of transformer lightning protection device.Have it is following the utility model has the advantages that
1, the transformer lightning protection device makes the contact of electric current by the first metal polar plate of setting and the second metal polar plate
Area greatly increases, and effectively reduces the voltage of collected current, by be arranged metal cone bottom be it is tip-shape, utilize point
The principle for holding electric discharge, collects electric current, the ability that lightning arrester collects thunder-strike current is improved, by the way that the first wire is arranged
Net, making metal cone, electric arc leaks during discharge, keeps the collection rate of electric current higher, protects the peace of transformer significantly
Entirely.
2, the transformer lightning protection device cooperates epoxy tube by setting insulation sleeve, makes electric current be not easy to leak, pass through setting
The combination of insulating bar, resistor disc and insulation spacer gradually reduces the Current Voltage collected, by the way that insulating ceramics, arc is arranged
Being arranged alternately for metal plate and metal profile, is buffered electric current, effectively reduces electric current and voltage, is led by setting
The resistance inside lightning arrester can be effectively reduced in line, effectively reduce the fever of lightning arrester.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is enlarged drawing at A in the utility model Fig. 1.
In figure: 1 pedestal, 2 transformer bodies, 3 oil tank of transformer, 4 insulation top plates, 5 heat sinks, 6 mounting bases, 7 shells, 8
First wire mesh, 9 first metal polar plates, 10 metal cones, 11 second metal polar plates, 12 insulation sleeves, 13 epoxy tubes, 14 insulation
Stick, 15 resistor discs, 16 insulation spacers, 17 third metal polar plates, 18 insulating ceramicses, 19 arc sheetmetals, 20 second wire meshes,
21 conducting wires, 22 metal profiles, 23 the 4th metal polar plates, 24 grounding rods, 25 grounding plates, 26 cavitys.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The utility model embodiment provides a kind of transformer lightning protection device, as shown in Figs. 1-2, including pedestal 1, pedestal 1
The centre at top is fixedly installed with transformer body 2, and the two sides of transformer body 2 are provided with oil tank of transformer 3, transformer master
The top of body 2 is provided with insulation top plate 4, by setting insulation top plate 4, can prevent from making transformer in electric current intrusion transformer
At loss, the outside of oil tank of transformer 3 is provided with heat sink 5, and the bottom of heat sink 5 connects by the way that mounting base 6 and pedestal 1 are fixed
It connects, the top of heat sink 5 is fixedly connected by mounting base 6 with insulation top plate 4, by the way that heat sink 5 is arranged, makes transformer body 2
Heat dissipation prevents transformer body 2 from generating heat, and the top of insulation top plate 4 is provided with lightning arrester.
Lightning arrester includes shell 7, and the first wire mesh 8 is fixedly installed at the top of 7 inner wall of shell, passes through setting first
Wire mesh 8, making metal cone 10, electric arc leaks during discharge, keeps the collection rate of electric current higher, protects change significantly
The top of the safety of depressor, 8 inside of the first wire mesh is fixedly installed with the first metal polar plate 9, the bottom of the first metal polar plate 9
Be fixedly installed with metal cone 10, the bottom of metal cone 10 be it is tip-shape, the bottom by the way that metal cone 10 is arranged is tip
Shape collects electric current using the principle of point discharge, improves the ability that lightning arrester collects thunder-strike current, metal cone 10
Quantity be eight, the bottom of metal cone 10 is provided with the second metal polar plate 11, pass through setting the first metal polar plate 9 and second
Metal polar plate 11 greatly increases the contact area of electric current, effectively reduces the voltage of collected current, the first metal polar plate 9
It is connected to by metal cone 10 with the second metal polar plate 11, the centre of 7 inner wall of shell is fixedly installed with insulation sleeve 12, insulation sleeve 12
Inside be fixedly installed with epoxy tube 13, by setting insulation sleeve 12 cooperate epoxy tube 13, make electric current be not easy to leak, epoxy tube 13
Insulating bar 14 is fixedly installed at the top of inside, the bottom of insulating bar 14 is fixedly installed with resistor disc 15, the bottom of resistor disc 15
It is fixedly installed with insulation spacer 16, by the way that the combination of insulating bar 14, resistor disc 15 and insulation spacer 16 is arranged, makes the electric current collected
Voltage gradually reduces, and the bottom of 13 inside of epoxy tube is fixedly installed with third metal polar plate 17, the bottom of third metal polar plate 17
It is fixedly installed with insulating ceramics 18, the bottom of insulating ceramics 18 is fixedly installed with arc sheetmetal 19, the bottom of arc sheetmetal 19
Portion is fixedly installed with metal profile 22, passes through the alternating of setting insulating ceramics 18, arc sheetmetal 19 and metal profile 22
Setting, is buffered electric current, effectively reduces electric current and voltage, arc sheetmetal 19 is the arch sheet to raise upward, arc
The second wire mesh 20 is provided between shape metal plate 19 and metal profile 22, the bottom of third metal polar plate 17 is fixedly mounted
There is conducting wire 21, the one end of conducting wire 21 far from third metal polar plate 17 is fixedly connected with arc sheetmetal 19, by the way that conducting wire is arranged
21, the resistance inside lightning arrester can be effectively reduced, effectively reduce the fever of lightning arrester, the bottom of shell 7 is fixedly mounted
There is the 4th metal polar plate 23, enters the 4th metal polar plate 23 by the electric current that resistance is handled, the bottom of pedestal 1, which is fixedly installed with, to be connect
Ground metal plate 25, grounding plate 25 are internally provided with cavity 26, and the 4th metal polar plate 23 passes through grounding rod 24 and ground connection gold
Belong to plate 25 to be connected to, the 4th metal polar plate 23 is conducted electrical currents in grounding plate 25 by grounding rod 24.
In conclusion the transformer lightning protection device is made by the first metal polar plate 9 of setting and the second metal polar plate 11
The contact area of electric current greatly increases, and effectively reduces the voltage of collected current, and the bottom by the way that metal cone 10 is arranged is
It is tip-shape, using the principle of point discharge, collect electric current, the ability that lightning arrester collects thunder-strike current is improved, by setting
Set the first wire mesh 8, making metal cone 10, electric arc leaks during discharge, keeps the collection rate of electric current higher, protects significantly
The safety for having protected transformer cooperates epoxy tube 13 by setting insulation sleeve 12, makes electric current be not easy to leak, by the way that insulating bar is arranged
14, the combination of resistor disc 15 and insulation spacer 16 gradually reduces the Current Voltage collected, by the way that insulating ceramics 18, arc is arranged
Being arranged alternately for shape metal plate 19 and metal profile 22, is buffered electric current, effectively reduces electric current and voltage, pass through
Conducting wire 21 is set, the resistance inside lightning arrester can be effectively reduced, effectively reduce the fever of lightning arrester.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of transformer lightning protection device, including pedestal (1), it is characterised in that: the intermediate fixed peace at the top of the pedestal (1)
Equipped with transformer body (2), the two sides of the transformer body (2) are provided with oil tank of transformer (3), the transformer body
(2) it is provided with insulation top plate (4) above, is provided with lightning arrester above the insulation top plate (4)；
Lightning arrester includes shell (7), is fixedly installed with the first wire mesh (8) at the top of shell (7) inner wall, and described
Top on the inside of one wire mesh (8) is fixedly installed with the first metal polar plate (9), and the bottom of first metal polar plate (9) is solid
Dingan County is equipped with metal cone (10), and the bottom of the metal cone (10) is provided with the second metal polar plate (11), first gold medal
Belong to pole plate (9) to be connected to by metal cone (10) with the second metal polar plate (11), the intermediate of shell (7) inner wall is fixedly mounted
Have insulation sleeve (12), is fixedly installed with epoxy tube (13) on the inside of the insulation sleeve (12), the bottom on the inside of the epoxy tube (13)
Portion is fixedly installed with third metal polar plate (17), and the bottom of the third metal polar plate (17) is fixedly installed with insulating ceramics
(18), the bottom of the insulating ceramics (18) is fixedly installed with arc sheetmetal (19), the bottom of the arc sheetmetal (19)
It is fixedly installed with metal profile (22), the bottom of the shell (7) is fixedly installed with the 4th metal polar plate (23), the pedestal
(1) bottom is fixedly installed with grounding plate (25), being internally provided with cavity (26) for the grounding plate (25), described
4th metal polar plate (23) is connected to by grounding rod (24) with grounding plate (25).
2. a kind of transformer lightning protection device according to claim 1, it is characterised in that: the oil tank of transformer (3)
Outside is provided with heat sink (5), and the bottom of the heat sink (5) is fixedly connected by mounting base (6) with pedestal (1), described to dissipate
The top of hot plate (5) is fixedly connected by mounting base (6) with insulation top plate (4).
3. a kind of transformer lightning protection device according to claim 1, it is characterised in that: the bottom of the metal cone (10)
Portion be it is tip-shape, the quantity of the metal cone (10) is eight.
4. a kind of transformer lightning protection device according to claim 1, it is characterised in that: on the inside of the epoxy tube (13)
Top is fixedly installed with insulating bar (14), and the bottom of the insulating bar (14) is fixedly installed with resistor disc (15), the resistor disc
(15) bottom is fixedly installed with insulation spacer (16).
5. a kind of transformer lightning protection device according to claim 1, it is characterised in that: the arc sheetmetal (19) is
The arch sheet to raise upward is provided with the second wire mesh between the arc sheetmetal (19) and metal profile (22)
(20)。
6. a kind of transformer lightning protection device according to claim 1, it is characterised in that: the third metal polar plate (17)
Bottom be fixedly installed with conducting wire (21), the conducting wire (21) far from third metal polar plate (17) one end and arc sheetmetal
(19) it is fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820474653.7U CN208189332U (en) | 2018-04-04 | 2018-04-04 | A kind of transformer lightning protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820474653.7U CN208189332U (en) | 2018-04-04 | 2018-04-04 | A kind of transformer lightning protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208189332U true CN208189332U (en) | 2018-12-04 |
Family
ID=64436476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820474653.7U Expired - Fee Related CN208189332U (en) | 2018-04-04 | 2018-04-04 | A kind of transformer lightning protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208189332U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110335740A (en) * | 2019-06-28 | 2019-10-15 | 马逍 | A kind of induction can eliminate the transformer tank of corona discharge and electron stream from energization |
| CN110767432A (en) * | 2019-12-02 | 2020-02-07 | 衢州学院 | Outdoor transformer lightning arrester for power engineering and installation method thereof |
-
2018
- 2018-04-04 CN CN201820474653.7U patent/CN208189332U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110335740A (en) * | 2019-06-28 | 2019-10-15 | 马逍 | A kind of induction can eliminate the transformer tank of corona discharge and electron stream from energization |
| CN110767432A (en) * | 2019-12-02 | 2020-02-07 | 衢州学院 | Outdoor transformer lightning arrester for power engineering and installation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181204 Termination date: 20190404 |