CN110350467A - A kind of outdoor use has the transformer of lightning protection function - Google Patents
A kind of outdoor use has the transformer of lightning protection function Download PDFInfo
- Publication number
- CN110350467A CN110350467A CN201910710036.1A CN201910710036A CN110350467A CN 110350467 A CN110350467 A CN 110350467A CN 201910710036 A CN201910710036 A CN 201910710036A CN 110350467 A CN110350467 A CN 110350467A
- Authority
- CN
- China
- Prior art keywords
- transformer
- lightning
- plate
- lightning protection
- alternate conductivity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
-
- 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
Abstract
It is disclosed by the invention to belong to lightning protection transformer technical field, specially a kind of outdoor use has the transformer of lightning protection function, including bottom plate and top plate, there are two transformers for installation between the bottom plate and top plate, arrester is installed between the bottom plate and top plate, and arrester is located between transformer described in two sides, damping device is uniformly provided at the top of the top plate, the top of the damping device is equipped with alternate conductivity plate, the present invention is by being equipped with leading electric pole, cooperate arrester, carry out prolonged lightning protection use, it is surprisingly damaged there is leading electric pole, as the body of rod is broken, circular arc sphere is impaired or led panel is because when broken by lightning leads to not lightning-arrest, spare lightning rod can be passed through, alternate conductivity plate and service ground lead carry out interim lightning-arrest use, to guarantee in strong wind day, the lightning protection effect of transformer, it avoids being struck by lightning The damage of transformer is caused to directly influence the use of electrical appliance.
Description
Technical field
The present invention relates to lightning protection transformer technical field, specially a kind of outdoor use has the transformer of lightning protection function.
Background technique
Transformer is the device for changing alternating voltage using the principle of electromagnetic induction, is widely used in power construction row
Industry, and existing transformer occurs meeting with lightning stroke often when encountering thunderstorm weather, leads to the very fast rising of utilization voltage, thus
The damage of transformer and electrical appliance is caused, in order to avoid transformer is struck by lightning, so being widely used in the top of transformer peace
Thunder Protection is carried out equipped with lightning rod or arrester, but thunderstorm weather is often along with strong wind weather, in this regard, lightning rod holds
Under the influence of easily appearing in strong wind weather, constantly by stress, so as to cause the decline of lightning rod service life, so needs pair
The lightning protection of existing transformer improves, and improves lightning protection effect.
Summary of the invention
The purpose of the present invention is to provide the transformers that a kind of outdoor use has lightning protection function, to solve above-mentioned background technique
The problem of how playing interim auxiliary lightning protection effect when lightning rod occurs unexpected of middle proposition.
To achieve the above object, the invention provides the following technical scheme: a kind of outdoor use has the transformer of lightning protection function,
Including bottom plate and top plate, there are two transformers for installation between the bottom plate and top plate, are equipped with and keep away between the bottom plate and top plate
Thunder device, and arrester is located between transformer described in two sides, and damping device, the damping dress are uniformly provided at the top of the top plate
The top set is equipped with alternate conductivity plate, and the top uniform welding of the top plate has alternate conductivity bar, and the alternate conductivity bar is inserted
In the inner ring for connecing the damping device described in adjacent side, and the alternate conductivity bar runs through alternate conductivity plate, and described spare leads
The junction of battery plate and alternate conductivity bar is equipped with conduct piece, and the alternate conductivity bar is plugged in the inner ring of conduct piece, described
The top of alternate conductivity bar is kept away integrally formed with spare circular arc sphere, the top of the spare circular arc sphere integrally formed with spare
Thunder needle, is welded with two leading electric poles at the top of the alternate conductivity plate, and the leading electric pole is located at described in adjacent side and becomes
The surface of depressor, the top of the leading electric pole is integrally formed with main circular arc sphere, the top one of the main circular arc sphere
Main lightning rod is formed, stress eliminating device, the bottom middle position of the top plate are socketed on the outer wall of the leading electric pole
It is welded with led panel, the bottom of the leading electric pole is connect by conducting wire with led panel, and the led panel is by leading
Line is connect with arrester, and the bottom of the arrester is connected with main ground lead, is connected on the right side wall of the alternate conductivity plate
There is service ground lead, and the main ground lead and service ground lead are respectively connected with attracting thunder needle, the stress eliminating device
Including sealing bearing, is welded on the outer ring of the sealing bearing and shell, the outer ring left and right sides of the shell are symmetrically welded with
Connecting rod is welded with lateral symmetry stress hemisphere on connecting rod described in two sides.
Preferably, the spare lightning rod is overhead height lower than the lightning rod at the top of the main lightning rod.
Preferably, the conduct piece includes sleeve, and conductive wire is uniformly nested on the inner wall of sleeve, and conductive gold
Belong to line and alternate conductivity bar outer wall fit, and in the inner cavity of the alternate conductivity plate integrally formed with conductive metal wire phase
The metallic conduction inner core of connection, and the service ground lead is connected on metallic conduction inner core.
Preferably, the damping device includes the upper and lower two dish-shaped rubber pads being symmetrically superimposed, and dish-shaped rubber pad socket
On the outer wall of alternate conductivity bar.
Preferably, uniformly integrally formed with drawing thunder conduction burr on the hemispheroidal outer wall of the stress.
Preferably, on the outer wall of the leading electric pole integrally formed with the card slot to match with stress eliminating device, and institute
Stress eliminating device is stated to be connected in the inner cavity of card slot.
Preferably, the stress hemisphere is semi arch ball-shape hollow structure, and the stress hemisphere and connecting rod
Longitudinally perpendicular line is equipped with 3 ° of inclination angle.
Compared with prior art, the beneficial effects of the present invention are:
1) present invention cooperates arrester, carries out prolonged lightning protection use, leading electric pole meaning occurring by being equipped with leading electric pole
It is outer impaired, it, can be by standby such as the body of rod is broken, circular arc sphere is impaired or led panel because when broken by lightning leads to not lightning-arrest
Lightning rod, alternate conductivity plate and service ground lead carry out interim lightning-arrest use, to guarantee in strong wind day, transformation
The lightning protection effect of device, the use for avoiding lightning stroke that the damage of transformer is caused to directly influence electrical appliance.
2) present invention passes through dish when ensure that normal support effect by being equipped with damping device and stress eliminating device
The extruding reduction of shape rubber pad and stress hemisphere are rotated by wind-force, are effectively raised to caused by leading electric pole stress
Stress neutralization effect improves the service life of main lightning rod, and draws thunder conduction burr by being equipped on stress hemisphere, answers
Force eliminating device is also small-sized attracting thunder needle simultaneously, assists the lightning protection effect of leading electric pole, thus realize that three layers of lightning protection use, with
Lightning rod height it is impaired, subsequent spare lightning arrester can quickly carry out spare, and lightning stroke is avoided to cause to damage.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is conduct piece structural schematic diagram of the present invention；
Fig. 3 is stress eliminating device structural schematic diagram of the present invention.
In figure: 1 bottom plate, 2 top plates, 3 transformers, 4 arresters, 5 damping devices, 6 alternate conductivity plates, 7 alternate conductivity bars, 8
Conduct piece, 9 spare circular arc spheres, 10 spare lightning rods, 11 leading electric poles, 12 main circular arc spheres, 13 main lightning rods, 14 stress disappear
Except device, 141 sealing bearings, 142 shells, 143 connecting rods, 144 stress hemispheres, 15 led panels, 16 main ground leads, 17 standby
With ground lead, 18 attracting thunder needles.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term " on ", "lower", "front", "rear", "left", "right", "top",
The orientation or positional relationship of the instructions such as "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, merely to just
In description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with
Specific orientation construction and operation, therefore be not considered as limiting the invention.
Please refer to Fig. 1-3, the present invention provides a kind of technical solution: a kind of outdoor use has the transformer of lightning protection function, packet
Bottom plate 1 and top plate 2 are included, there are two transformers 3 for installation between the bottom plate 1 and top plate 2, install between the bottom plate 1 and top plate 2
There is arrester 4, and arrester 4 is located between transformer 3 described in two sides, bottom plate 1 and top plate 2 realize the normal peace to transformer 3
Dress, and certain protection effect is played, arrester 4 is used in 14 use process of main lightning rod and stress eliminating device, main
Pressure limiting effect, to avoid in long-time use process, the very fast rising of voltage causes transformer 3 to damage.
The top of the top plate 2 is uniformly provided with damping device 5, and the top of the damping device 5 is equipped with alternate conductivity plate 6,
Damping device 5 can realize alternate conductivity in certain stroke by using the dish-shaped rubber pad of two superpositions symmetrical above and below
Plate 6 moves up and down, and then realizes the buffering to the vertical direction stress of leading electric pole 11, improve vertically to stress offset.
The top uniform welding of the top plate 2 has alternate conductivity bar 7, and the alternate conductivity bar 7 is plugged on adjacent side
In the inner ring of the damping device 5, and the alternate conductivity bar 7 runs through alternate conductivity plate 6, and the alternate conductivity plate 6 and standby
Conduct piece 8 is installed with the junction of conducting rod 7, the alternate conductivity bar 7 is plugged in the inner ring of conduct piece 8, described spare
The top of conducting rod 7 is kept away integrally formed with spare circular arc sphere 9, the top of the spare circular arc sphere 9 integrally formed with spare
Thunder needle 10, by being equipped with the alternate conductivity bar 7, spare circular arc sphere 9 and the spare lightning rod 10 that are fixed on top plate 2, by standby
Conduction is carried out with the conduct piece 8 on conductive plate 6, completes the design of two sets of lightning protection, to realize in main lightning protection
It is impaired, it is spare by completely drawing thunder design progress when generation height change or lightning protection effect are damaged, and pass through eminence
The elasticity that electric current preferentially drains realizes that gradient type draws thunder using a lower height of spare lightning rod 10, deposits daily carry out is spare
It puts.
The top of the alternate conductivity plate 6 is welded with two leading electric poles 11, and the leading electric pole 11 is located at adjacent one
The surface of transformer 3 described in side, the top of the leading electric pole 11 is integrally formed with main circular arc sphere 12, the main arc ball
The top of body 12 is socketed with stress eliminating device 14, institute on the outer wall of the leading electric pole 11 integrally formed with main lightning rod 13
The bottom middle position for stating top plate 2 is welded with led panel 15, and the bottom of the leading electric pole 11 passes through conducting wire and led panel
15 connections, and the led panel 15 is connect by conducting wire with arrester 4, the bottom of the arrester 4 is connected with main grounding lead
Line 16, is connected with service ground lead 17 on the right side wall of the alternate conductivity plate 6, and the main ground lead 16 and spare connects
Ground lead 17 is respectively connected with attracting thunder needle 18, by being equipped with main lightning protection, is installed according to optimal construction reference,
To ensure that daily lightning protection effect, main anti-lightning protection function is played.
The stress eliminating device 14 includes sealing bearing 141, welding and shell on the outer ring of the sealing bearing 141
142, the outer ring left and right sides of the shell 142 is symmetrically welded with connecting rod 143, and it is laterally right to be welded on connecting rod 143 described in two sides
The stress hemisphere 144 of title occurs passing through 144 outer wall of stress hemisphere because when circular arc guide face is impaired in Zhu's lightning protection
On uniformly integrally formed with thunder conduction burr is drawn, realize drainage, play the substitution to main circular arc sphere 12, and by outer
When power, stress hemisphere 144 is rotated under the external forces such as wind-force, so that shell 142 be driven to be rotated, passes through sealing
The friction of bearing 141 is offset, and stress suffered by leading electric pole 11 is carried out extraction elimination, and that improves leading electric pole 11 uses the longevity
Life.
Wherein, the spare lightning rod 10 is lightning rod of the overhead height lower than main 13 top of lightning rod, realizes day
Often draw thunder use by higher-height main lightning rod 13, main lightning rod 13 occur being broken or can not water conservancy diversion when, pass through
Spare lightning rod 10 carries out quick water conservancy diversion use, improves the protecting effect to transformer 3, and the conduct piece 8 includes sleeve, and
Conductive wire is uniformly nested on the inner wall of sleeve, and the outer wall of conductive metal wire and alternate conductivity bar 7 fits, and described
Integrally formed with the metallic conduction inner core being connected with conductive metal wire in the inner cavity of alternate conductivity plate 6, and the service ground
Lead 17 is connected on metallic conduction inner core, is realized alternate conductivity bar 7 and is contacted completion conduction with conductive metal wire, and does not influence
Alternate conductivity plate 6 normally moves up and down, to protect to leading electric pole 11, the damping device 5 includes upper and lower two
The dish-shaped rubber pad being symmetrically superimposed, and dish-shaped rubber pad is socketed on the outer wall of alternate conductivity bar 7, is guaranteed in certain stroke
It is interior, elimination of the elastic buffer to stress is realized, uniformly integrally formed with drawing thunder conduction hair on the outer wall of the stress hemisphere 144
Thorn realizes the small-sized lightning rod and arc surface design of needle-like, plays and draw Lei Zuoyong, can carry out the same of lateral stress elimination
When, spare design carried out to main lightning protection, on the outer wall of the leading electric pole 11 integrally formed with stress eliminating device 14
The card slot to match, and the stress eliminating device 14 is connected in the inner cavity of card slot realizes bearing 141 and leading electric pole 11
Normally connection, and the friction between the inner ring and outer ring for passing through bearing 141 when rotation, carry out stress elimination, thus raising pair
The protection of leading electric pole 11, prolongs the service life and external force resistance effect, and the stress hemisphere 144 is that semi arch ball-shape is hollow
Structure, and the longitudinally perpendicular line of the stress hemisphere 144 and connecting rod 143 is equipped with 3 ° of inclination angle, changes Impact direction, it is real
Now to the multi-direction counteracting of stress.
Working principle: the present invention carries out lightning-arrest design by being equipped with main lightning protection, installation standard, and main lightning-arrest
Equipment has spare lightning protection, to be carried out by spare lightning protection urgent under main lightning protection damage situations
Lightning protection, improve under main lightning protection damage status, the lightning protection effect of transformer 3 improves anti-lightning strike probability, thus
The damage to electrical part is reduced, and by being equipped with there are two the dish-shaped rubber pad and stress eliminating device 14 being symmetrically superimposed, it is real
The counteracting to stress suffered by leading electric pole 11 has been showed, convenient for the external force resistance effect of leading electric pole 11 being improved and being made in strong wind weather
Draw thunder conduction burr, i.e. two small-sized lightning rods with the service life, and by being equipped on stress hemisphere 144, thunder is drawn in raising
While effect, spare effect is played, is used convenient for the lightning protection of outdoor transformer 3.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention, for this field skill
For art personnel, it is clear that invention is not limited to the details of the above exemplary embodiments, and without departing substantially from spirit of the invention or
In the case where essential characteristic, the present invention can be realized in other specific forms；Therefore, in all respects, should all incite somebody to action
Embodiment regards exemplary as, and is non-limiting, the scope of the present invention by appended claims rather than on state
Bright restriction, it is intended that including all changes that fall within the meaning and scope of the equivalent elements of the claims in the present invention
Interior, any reference signs in the claims should not be construed as limiting the involved claims.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (7)
1. a kind of outdoor use has the transformer of lightning protection function, including bottom plate (1) and top plate (2), the bottom plate (1) and top plate
(2) there are two transformer (3) for installation between, are equipped with arrester (4) between the bottom plate (1) and top plate (2), and arrester
(4) it is located between transformer (3) described in two sides, it is characterised in that: damping device (5) are uniformly provided at the top of the top plate (2),
The top of the damping device (5) is equipped with alternate conductivity plate (6), and the top uniform welding of the top plate (2) has alternate conductivity bar
(7), and the alternate conductivity bar (7) is plugged in the inner ring of damping device described in adjacent side (5), and the alternate conductivity bar
(7) run through alternate conductivity plate (6), and the junction of the alternate conductivity plate (6) and alternate conductivity bar (7) is equipped with conduct piece
(8), the alternate conductivity bar (7) is plugged in the inner ring of conduct piece (8), and the top of the alternate conductivity bar (7) is integrally formed
There is spare circular arc sphere (9), the top of the spare circular arc sphere (9) is described spare integrally formed with spare lightning rod (10)
Two leading electric poles (11) are welded at the top of conductive plate (6), and the leading electric pole (11) is located at transformation described in adjacent side
The surface of device (3), the top of the leading electric pole (11) is integrally formed with main circular arc sphere (12), the main circular arc sphere
(12) top is socketed with stress eliminating device on the outer wall of the leading electric pole (11) integrally formed with main lightning rod (13)
(14), the bottom middle position of the top plate (2) is welded with led panel (15), and the bottom of the leading electric pole (11) is by leading
Line is connect with led panel (15), and the led panel (15) is connect by conducting wire with arrester (4), the arrester (4)
Bottom be connected with main ground lead (16), be connected with service ground lead (17) on the right side wall of the alternate conductivity plate (6),
And the main ground lead (16) and service ground lead (17) are respectively connected with attracting thunder needle (18), the stress eliminating device (14)
Including sealing bearing (141), welding and shell (142) on the outer ring of sealing bearing (141), the shell (142) it is outer
The circle left and right sides is symmetrically welded with connecting rod (143), and lateral symmetry stress hemisphere is welded on connecting rod (143) described in two sides
(144).
2. the transformer that a kind of outdoor use according to claim 1 has lightning protection function, it is characterised in that: described spare to keep away
Thunder needle (10) is overhead height lower than the lightning rod at the top of the main lightning rod (13).
3. the transformer that a kind of outdoor use according to claim 1 has lightning protection function, it is characterised in that: the conduct piece
(8) include sleeve, and be uniformly nested with conductive wire on the inner wall of sleeve, and conductive metal wire and alternate conductivity bar (7)
Outer wall fits, and integrally formed with the metallic conduction being connected with conductive metal wire in the inner cavity of the alternate conductivity plate (6)
Inner core, and the service ground lead (17) is connected on metallic conduction inner core.
4. the transformer that a kind of outdoor use according to claim 1 has lightning protection function, it is characterised in that: the damping dress
Setting (5) includes the upper and lower two dish-shaped rubber pads being symmetrically superimposed, and dish-shaped rubber pad is socketed in the outer wall of alternate conductivity bar (7)
On.
5. the transformer that a kind of outdoor use according to claim 1 has lightning protection function, it is characterised in that: the stress half
Uniformly integrally formed with drawing thunder conduction burr on the outer wall of sphere (144).
6. the transformer that a kind of outdoor use according to claim 1 has lightning protection function, it is characterised in that: the leading electricity
Integrally formed with the card slot to match with stress eliminating device (14) on the outer wall of bar (11), and the stress eliminating device (14)
It is connected in the inner cavity of card slot.
7. the transformer that a kind of outdoor use according to claim 1 has lightning protection function, it is characterised in that: the stress half
Sphere (144) is semi arch ball-shape hollow structure, and the longitudinally perpendicular line of the stress hemisphere (144) and connecting rod (143)
It is equipped with 3 ° of inclination angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910710036.1A CN110350467B (en) | 2019-08-02 | 2019-08-02 | Outdoor transformer with lightning protection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910710036.1A CN110350467B (en) | 2019-08-02 | 2019-08-02 | Outdoor transformer with lightning protection function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110350467A true CN110350467A (en) | 2019-10-18 |
| CN110350467B CN110350467B (en) | 2020-07-17 |
Family
ID=68183760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910710036.1A Active CN110350467B (en) | 2019-08-02 | 2019-08-02 | Outdoor transformer with lightning protection function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110350467B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113015026A (en) * | 2021-02-21 | 2021-06-22 | 韩娜 | Security and protection method based on 5G network communication base station |
| CN115020090A (en) * | 2022-06-28 | 2022-09-06 | 国网安徽省电力有限公司望江县供电公司 | Lightning protection device of transformer |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205986079U (en) * | 2016-07-31 | 2017-02-22 | 国网山东省电力公司日照供电公司 | Security arrester |
| CN207303653U (en) * | 2017-10-26 | 2018-05-01 | 四川国软科技发展有限责任公司 | A kind of railway lightning protection device |
| CN208111275U (en) * | 2018-05-02 | 2018-11-16 | 天津景茂科技发展有限公司 | A kind of transformer with lightning protection function |
| CN109286170A (en) * | 2018-10-16 | 2019-01-29 | 国网江西省电力有限公司吉安供电分公司 | A kind of power equipment lightning arrester |
| CN209133841U (en) * | 2018-11-23 | 2019-07-19 | 河北弘顺安全技术服务有限公司 | A kind of skyscraper lightning protection device |
-
2019
- 2019-08-02 CN CN201910710036.1A patent/CN110350467B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205986079U (en) * | 2016-07-31 | 2017-02-22 | 国网山东省电力公司日照供电公司 | Security arrester |
| CN207303653U (en) * | 2017-10-26 | 2018-05-01 | 四川国软科技发展有限责任公司 | A kind of railway lightning protection device |
| CN208111275U (en) * | 2018-05-02 | 2018-11-16 | 天津景茂科技发展有限公司 | A kind of transformer with lightning protection function |
| CN109286170A (en) * | 2018-10-16 | 2019-01-29 | 国网江西省电力有限公司吉安供电分公司 | A kind of power equipment lightning arrester |
| CN209133841U (en) * | 2018-11-23 | 2019-07-19 | 河北弘顺安全技术服务有限公司 | A kind of skyscraper lightning protection device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113015026A (en) * | 2021-02-21 | 2021-06-22 | 韩娜 | Security and protection method based on 5G network communication base station |
| CN113015026B (en) * | 2021-02-21 | 2022-08-19 | 深圳中云通信技术有限公司 | Security and protection method based on 5G network communication base station |
| CN115020090A (en) * | 2022-06-28 | 2022-09-06 | 国网安徽省电力有限公司望江县供电公司 | Lightning protection device of transformer |
| CN115020090B (en) * | 2022-06-28 | 2023-09-08 | 国网安徽省电力有限公司望江县供电公司 | Lightning protection device of transformer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110350467B (en) | 2020-07-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110350467A (en) | A kind of outdoor use has the transformer of lightning protection function | |
| CN203747241U (en) | Air gap lightning arrester | |
| CN201608424U (en) | Enhanced direct stroke protective device | |
| CN203011953U (en) | A high voltage withstanding test wiring support | |
| CN114023532B (en) | Anti-collision protection device of transformer | |
| CN215419531U (en) | Lightning protection device for 10kV distribution line | |
| CN106448977A (en) | Metal oxide arrester device for +/-660kV DC transmission line | |
| CN206040336U (en) | 660kV direct current transmission is metal oxide lightning arrester device for circuit | |
| CN206673547U (en) | A kind of new 6 10 kilovolts of overhead lines double-rod structure for installing lightning arrester | |
| CN209374191U (en) | A kind of lightning protection device | |
| CN202601858U (en) | Lightning-proof gap type grounding device | |
| CN109686537A (en) | A kind of transformer improvement contact system | |
| CN206313286U (en) | A kind of arrester | |
| CN210002994U (en) | lightning protection power transmission tower | |
| CN201369539Y (en) | Lightning-proof grounding device for marginal station | |
| CN220209304U (en) | Sleeve structure for graphene grounding | |
| CN104358465A (en) | Tower head capable of preventing windage yaw | |
| CN207909590U (en) | A kind of vacuum rigidity needle type ceramic insulators | |
| CN212908949U (en) | 110kv circuit lightning stroke clamping protector | |
| CN218940316U (en) | Electric iron tower with lightning arrester | |
| CN204424891U (en) | A kind of composite type lightning protection line overvoltage protection device | |
| CN214478428U (en) | Lightning protection device for power transmission and transformation engineering | |
| CN208723316U (en) | Lightning protection device for electrical cabinet | |
| CN217881006U (en) | Arc attracting angle with good arc transfer capacity | |
| CN201421951Y (en) | Bent shielding type lightning rod of power transmission line tower |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |