CN209199696U - A kind of novel metal oxide arrester - Google Patents
A kind of novel metal oxide arrester Download PDFInfo
- Publication number
- CN209199696U CN209199696U CN201822153049.7U CN201822153049U CN209199696U CN 209199696 U CN209199696 U CN 209199696U CN 201822153049 U CN201822153049 U CN 201822153049U CN 209199696 U CN209199696 U CN 209199696U
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- core
- protective cover
- outer protective
- insulating outer
- bolt
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Abstract
The utility model discloses a kind of novel metal oxide arrester, including core, insulating outer protective cover, insulating outer protective cover is set on the outside of core, core inner space sets gradually top electrode, resistor disc, discharge electrode, lower electrode from one end to the other end；Binding post/stud is connected in top electrode, the high voltage insulated cable being piercing in outside core and insulating outer protective cover is connected on Binding post/stud, the connection bolt being piercing in outside core and insulating outer protective cover is connected on discharge electrode, it is connected with the ball stud being piercing in outside core and insulating outer protective cover on lower electrode, the core outboard end of electrode one end is fixedly connected with installation tight fixed bolt under setting；Installation is with mounting plate is fixedly connected on tight fixed bolt, in the outside setting connection bolt sheath of connection bolt.The utility model can effectively prevent insulator by lightning surge impact failure, can be with effective protection insulated conductor from lightning-caused breaking；Maximum feature is that high reliablity, failure rate are low, and maintenance workload is few.
Description
Technical field
The utility model belongs to power transmission and distribution electrical equipment technical field, particularly relates to a kind of novel metal oxide and keeps away
Thunder device.
Background technique
As power matching network route constantly lengthens, insulating design is popularized, and damage to crops caused by thunder causes line-outage contingency to highlight, insulator
Breakdown accident statistical magnitude constantly rises, and has seriously threatened distribution network line safe operation.Arrester is that one kind is connected in parallel on electrically
Protection equipment in equipment, as the inter space device being artificially arranged in route or equipment, under normal working voltage
In isolated insulation state, the breakdown ground connection of inter space device is under overvoltage with decompression of discharging, to play protection under overvoltage
Route perhaps apparatus insulated effect its be also sometimes referred to as over-voltage protector or overvoltage limiter；Arrester is usual
It is connected between power grid conducting wire and ground wire, however is also connected to electric appliance winding side or conducting wire sometimes.Currently, existing arrester is deposited
In following disadvantage: insulator can not be effectively prevent by lightning surge impact failure, it can not effective protection insulated conductor
By lightning-caused breaking, and it is main be existing arrester reliability is low, high failure rate, so as to cause maintenance workload
It is various.
Utility model content
The utility model makes up the deficiencies in the prior art aiming at the above problem, provides one kind and is mainly used for power transmission and distribution
It is new in electric system and for protecting electrical equipment and electric line to damage from atmospheric over-voltage and switching overvoltage
Type metal oxide arrester is a kind of overvoltage protection.
To achieve the above object, the utility model adopts the following technical solution.
A kind of novel metal oxide arrester of the utility model, it is characterised in that: including core, insulating outer protective cover, institute
Insulating outer protective cover is set on the outside of the core stated, core inner space be disposed with from one end to the other end top electrode, resistor disc,
Discharge electrode, lower electrode, the top electrode, lower electrode are separately positioned on the both ends inside core；In the top electrode
It is connected with Binding post/stud, the high voltage insulated cable being piercing in outside core and insulating outer protective cover, institute are connected on the Binding post/stud
It is connected with the connection bolt being piercing in outside core and insulating outer protective cover on the discharge electrode stated, is connected with and wears on the lower electrode
For the ball stud outside core and insulating outer protective cover, the core outboard end of electrode one end is fixedly connected with installation and uses under setting
Tight fixed bolt；The installation is provided on the outside of the connection bolt with mounting plate is fixedly connected on tight fixed bolt
Bolt sheath is connected, the connection bolt sheath is integrally connected on insulating outer protective cover.
As a kind of preferred embodiment of the utility model, the resistor disc is provided with three pieces, three pieces resistor disc successively phase
Connect and is set between top electrode and discharge electrode.
As another preferred embodiment of the utility model, the core is made of SMC plastic material, and described is exhausted
Edge oversheath, connection bolt sheath are all made of silicone rubber material and are made.
As another preferred embodiment of the utility model, the high-voltage isulation line length is 0.6m.
As another preferred embodiment of the utility model, the connection bolt is bent bolt, connects bolt
The end of bending part is interlinked to the outside with bolt sheath is connect, the end of the connection bolt bending part and the ball of ball stud
Head is opposite.
As another preferred embodiment of the utility model, pass through six between the mounting plate and installation tight fixed bolt
Angle nut is fixedly connected, and pad is equipped with plain washer, spring washer between the hex nut and mounting plate.
As another preferred embodiment of the utility model, circular mounting hole is provided on the mounting plate end.
The beneficial effects of the utility model.
A kind of novel metal oxide arrester provided by the utility model, is mainly used in power transmission and distribution electric system,
For protecting electrical equipment and electric line to damage from atmospheric over-voltage and switching overvoltage；Specifically, the utility model
For protecting in 6kV distribution line, insulator can be effectively prevent by lightning surge impact failure, it can be exhausted with effective protection
Edge conducting wire is from lightning-caused breaking；Maximum feature is that high reliablity, failure rate are low, and maintenance workload is few.
Detailed description of the invention
The technical issues of in order to keep the utility model solved, technical solution and beneficial effect are more clearly understood, below
In conjunction with the drawings and the specific embodiments, the present invention will be further described in detail.It should be appreciated that tool described herein
Body embodiment is only used to explain the utility model, is not used to limit the utility model.
Fig. 1 is a kind of schematic perspective view of novel metal oxide arrester of the utility model.
Fig. 2 is the direction the B view of Fig. 1.
Fig. 3 is the sectional structure chart of the A-A of Fig. 2.
Description of symbols in figure: 1 be high voltage insulated cable, 2 be insulating outer protective cover, 3 be connection bolt sheath, 4 be connection bolt,
5 be plain washer, 6 be hex nut, 7 be installation tight fixed bolt, 8 be spring washer, 9 be mounting plate, 10 be circular mounting hole,
11 it is ball stud, 12 be top electrode, 13 be resistor disc, 14 be discharge electrode, 15 be lower electrode, 16 be Binding post/stud, 17 is
Core.
Specific embodiment
In conjunction with shown in attached drawing, a kind of novel metal oxide arrester of the utility model, it is characterised in that: including core
17, insulating outer protective cover 2, are arranged insulating outer protective cover 2 on the outside of the core 17,17 inner space of core from one end to the other end according to
Secondary to be provided with top electrode 12, resistor disc 13, discharge electrode 14, lower electrode 15, the top electrode 12, lower electrode 15 are respectively set
Both ends inside core 17；It is connected with Binding post/stud 16 in the top electrode 12, is connected on the Binding post/stud 16
There is the high voltage insulated cable 1 being piercing in outside core 17 and insulating outer protective cover 2, is connected on the discharge electrode 14 and is piercing in core
17 and insulating outer protective cover 2 outside connection bolt 4, be connected on the lower electrode 15 and be piercing in core 17 and insulating outer protective cover 2
Outer ball stud 11,17 outboard end of core of 15 one end of electrode is fixedly connected with installation tight fixed bolt 7 under setting；It is described
Installation with being fixedly connected with mounting plate 9 on tight fixed bolt 7, the outside of the connection bolt 4 is provided with connection bolt shield
Set 3, the connection bolt sheath 3 is integrally connected on insulating outer protective cover 2.
As a kind of preferred embodiment of the utility model, the resistor disc 13 is provided with three pieces, three pieces resistor disc 13 according to
It is secondary to be connected and be set between top electrode 12 and discharge electrode 14.
As another preferred embodiment of the utility model, the core 17 is made of SMC plastic material, described
Insulating outer protective cover 2, connection bolt sheath 3 are all made of silicone rubber material and are made.
As another preferred embodiment of the utility model, 1 length of high voltage insulated cable is 0.6m.
As another preferred embodiment of the utility model, the connection bolt 4 is bent bolt, connects bolt 4
The end of bending part be interlinked to the outside with bolt sheath 3 is connect, the end of connection 4 bending part of bolt and ball stud
11 bulb is opposite.
As another preferred embodiment of the utility model, pass through between the mounting plate 9 and installation tight fixed bolt 7
Hex nut 6 is fixedly connected, and pad is equipped with plain washer 5, spring washer 8 between the hex nut 6 and mounting plate 9.
As another preferred embodiment of the utility model, circular mounting hole 10 is provided on 9 end of mounting plate.
The utility model can effectively prevent insulator to be impacted by lightning surge and damage for protecting in 6kV distribution line
It is bad, it can be with effective protection insulated conductor from lightning-caused breaking；The feature of the utility model maximum is high reliablity, maintenance work
Amount is few；Arrester only protects lightning surge and a small amount of amplitude switching overvoltage, for overvoltage base in general power frequency
Originally it is not responding to, therefore the damage of arrester is all lightning impulse damage, impact energy is big, is easier to blow, can be from side
Housing damaged condition judges whether product is intact；After arrester is by impact failure, route operation is had substantially no effect on, will not be produced
Raw ground fault, fortune inspection personnel can choose the suitable time and replace.
It is understood that being merely to illustrate the utility model above with respect to the specific descriptions of the utility model and not being
It is limited to technical solution described in the utility model embodiment, those skilled in the art should understand that, it still can be with
It modifies to the utility model or equivalent replacement, to reach identical technical effect；Needs are used as long as meeting, all in this reality
Within novel protection scope.
Claims (7)
1. a kind of novel metal oxide arrester, it is characterised in that: including core (17), insulating outer protective cover (2), the core
Insulating outer protective cover (2) are set on the outside of body (17), core (17) inner space is disposed with top electrode from one end to the other end
(12), resistor disc (13), discharge electrode (14), lower electrode (15), the top electrode (12), lower electrode (15) are separately positioned on
The internal both ends of core (17)；It is connected with Binding post/stud (16) in the top electrode (12), the Binding post/stud (16)
On be connected with and be piercing in the high voltage insulated cable (1) of core (17) and insulating outer protective cover (2) outside, the discharge electrode connects on (14)
It is connected to and is piercing in the connection bolt (4) of core (17) and insulating outer protective cover (2) outside, be connected with and be pierced by the lower electrode (15)
In the ball stud (11) of core (17) and insulating outer protective cover (2) outside, core (17) outboard end of electrode one end is solid under setting
Surely installation tight fixed bolt (7) are connected with；The installation is with mounting plate (9) are fixedly connected on tight fixed bolt (7), described
Connection bolt (4) on the outside of be provided with connection bolt sheath (3), the connection bolt sheath (3) is integrally connected to insulate
On oversheath (2).
2. a kind of novel metal oxide arrester according to claim 1, it is characterised in that: the resistor disc (13)
Three pieces are provided with, three pieces resistor disc (13) is sequentially connected and is set between top electrode (12) and discharge electrode (14).
3. a kind of novel metal oxide arrester according to claim 1, it is characterised in that: the core (17) is adopted
It is made of SMC plastic material, the insulating outer protective cover (2), connection bolt sheath (3) are all made of silicone rubber material and are made.
4. a kind of novel metal oxide arrester according to claim 1, it is characterised in that: the high voltage insulated cable
(1) length is 0.6m.
5. a kind of novel metal oxide arrester according to claim 1, it is characterised in that: the connection bolt
It (4) is bent bolt, the end for connecting the bending part of bolt (4) is interlinked to the outside with bolt sheath (3) is connect, the connection
The end of bolt (4) bending part is opposite with the bulb of ball stud (11).
6. a kind of novel metal oxide arrester according to claim 1, it is characterised in that: the mounting plate (9)
It is fixedly connected with installation between tight fixed bolt (7) by hex nut (6), between the hex nut (6) and mounting plate (9)
Pad is equipped with plain washer (5), spring washer (8).
7. a kind of novel metal oxide arrester according to claim 1, it is characterised in that: the mounting plate (9)
Circular mounting hole (10) are provided on end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822153049.7U CN209199696U (en) | 2018-12-21 | 2018-12-21 | A kind of novel metal oxide arrester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822153049.7U CN209199696U (en) | 2018-12-21 | 2018-12-21 | A kind of novel metal oxide arrester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209199696U true CN209199696U (en) | 2019-08-02 |
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ID=67430003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822153049.7U Active CN209199696U (en) | 2018-12-21 | 2018-12-21 | A kind of novel metal oxide arrester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209199696U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109346253A (en) * | 2018-12-21 | 2019-02-15 | 辽宁华隆电力科技股份有限公司 | A kind of novel metal oxide arrester |
-
2018
- 2018-12-21 CN CN201822153049.7U patent/CN209199696U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109346253A (en) * | 2018-12-21 | 2019-02-15 | 辽宁华隆电力科技股份有限公司 | A kind of novel metal oxide arrester |
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