CN209199692U - A kind of tension-resistant rod external series gap metal oxide arrester - Google Patents
A kind of tension-resistant rod external series gap metal oxide arrester Download PDFInfo
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- CN209199692U CN209199692U CN201822153652.5U CN201822153652U CN209199692U CN 209199692 U CN209199692 U CN 209199692U CN 201822153652 U CN201822153652 U CN 201822153652U CN 209199692 U CN209199692 U CN 209199692U
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- core
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- protective cover
- outer protective
- ball stud
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Abstract
The utility model discloses a kind of tension-resistant rod external series gap metal oxide arresters, including core, insulating outer protective cover, insulating outer protective cover is set on the outside of core, core inner space is disposed with top electrode, resistor disc, discharge electrode, insulated column, lower electrode from one end to the other end, and top electrode, lower electrode are separately positioned on the both ends inside core；The installation holding screw being piercing in outside core and insulating outer protective cover is connected in top electrode, the connection bolt being piercing in outside core and insulating outer protective cover is connected on discharge electrode, Binding post/stud, ball stud are connected on lower electrode, Binding post/stud is connected with ball stud, the insulated wire being piercing in outside core and insulating outer protective cover respectively；Connection bolt sheath, ball stud sheath are provided on the outside of connection bolt, ball stud, connection bolt sheath, ball stud sheath are integrally connected on insulating outer protective cover.The utility model 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 tension-resistant rod external series gap
Metal oxide arrester.
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 resistance in electric system and for protecting electrical equipment and electric line to damage from atmospheric over-voltage and switching overvoltage
Tension rod external series gap 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 tension-resistant rod external series gap metal oxide arrester of the utility model, it is characterised in that: including core, absolutely
Insulating outer protective cover is arranged in edge oversheath, the core outside, and core inner space is disposed with from one end to the other end
Electrode, resistor disc, discharge electrode, insulated column, lower electrode, the top electrode, lower electrode are separately positioned on two inside core
End；The installation holding screw being piercing in outside core and insulating outer protective cover, the electric discharge are connected in the top electrode
The connection bolt being piercing in outside core and insulating outer protective cover is connected on electrode, be connected on the lower electrode Binding post/stud,
Ball stud, the Binding post/stud are connected with ball stud, the insulated wire being piercing in outside core and insulating outer protective cover respectively；?
Connection bolt sheath, ball stud sheath, the connection bolt shield are provided on the outside of the connection bolt, ball stud
Set, ball stud sheath are 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, in the insulating outer protective cover for being provided with installation holding screw one end
Outside is provided with end cap, and the installation on the outside of the end cap is with being connected with hex nut and plain washer on holding screw.
As another preferred embodiment of the utility model, set on the outside of the insulated wire and Binding post/stud junction
It is equipped with heat-shrink tube.
As another preferred embodiment of the utility model, the insulated column is epoxy fibreglass leading-drawing rod, described
Insulated wire is 0.6m high voltage insulated cable.
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, ball stud sheath are all made of silicone rubber material and are made.
As another preferred embodiment of the utility model, the connection bolt is bent bolt, connects bolt
The end that acorn nut and connection bolt bending part are provided on the end of bending part is interlinked to the outside with bolt sheath is connect；Institute
The ball stud sheath stated covers the half of ball stud, be exposed to outer the other half ball stud with connect bolt bending part
Exposed end is opposite.
The beneficial effects of the utility model.
A kind of tension-resistant rod external series gap metal oxide arrester provided by the utility model, is mainly used for power transmission and distribution
In electric system, for protecting electrical equipment and electric line to damage from atmospheric over-voltage and switching overvoltage；Specifically,
The utility model can effectively prevent insulator by lightning surge impact failure for protecting in 10~20kV distribution line,
It can be with effective protection insulated conductor from lightning-caused breaking；Maximum feature is that high reliablity, failure rate are low, maintenance workload
It 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 structural schematic diagram of tension-resistant rod external series gap metal oxide arrester of the utility model.
Description of symbols in figure: 1 it is insulated wire, 2 is heat-shrink tube, 3 is Binding post/stud, 4 is lower electrode, 5 is insulated column, 6 is
Ball stud, 7 be ball stud sheath, 8 be connection bolt sheath, 9 be acorn nut, 10 be connection bolt, 11 be electric discharge electricity
Pole, 12 be insulating outer protective cover, 13 be core, 14 be resistor disc, 15 be top electrode, 16 be installation holding screw, 17 be hexagonal
Nut, 18 be plain washer, 19 be end cap.
Specific embodiment
In conjunction with shown in attached drawing, a kind of tension-resistant rod external series gap metal oxide arrester of the utility model, including core
13, insulating outer protective cover 12 is arranged on the outside of the core 13 for insulating outer protective cover 12, and 13 inner space of core is from one end to the other end
It is disposed with top electrode 15, resistor disc 14, discharge electrode 11, insulated column 5, lower electrode 4, the top electrode 15, lower electrode 4
It is separately positioned on the both ends inside core 13；It is connected in the top electrode 15 and is piercing in core 13 and insulating outer protective cover 12
Outer installation holding screw 16 is connected with the company being piercing in outside core 13 and insulating outer protective cover 12 on the discharge electrode 11
Connecting bolt 10, is connected with Binding post/stud 3, ball stud 6 on the lower electrode 4, the Binding post/stud 3 respectively be piercing in
Core 13 is connected with ball stud 6, the insulated wire 1 outside insulating outer protective cover 12；In described connection bolt 10, ball stud 6
Outside is provided with connection bolt sheath 8, ball stud sheath 7, and the connection bolt sheath 8, ball stud sheath 7 are integrally
It is connected on insulating outer protective cover 12.
As a kind of preferred embodiment of the utility model, the resistor disc 14 is provided with three pieces, three pieces resistor disc 14 according to
It is secondary to be connected and be set between top electrode 15 and discharge electrode 11.
As another preferred embodiment of the utility model, protected being provided with installation with outside the insulation of 16 one end of holding screw
12 outside of set is provided with end cap 19, and the installation in 19 outside of end cap is with being connected with hex nut 17 and flat on holding screw 16
Washer 18.
As another preferred embodiment of the utility model, in the outside of the insulated wire 1 and 3 junction of Binding post/stud
It is provided with heat-shrink tube 2.
As another preferred embodiment of the utility model, the insulated column 5 is epoxy fibreglass leading-drawing rod, described
Insulated wire 1 is 0.6m high voltage insulated cable.
As another preferred embodiment of the utility model, the core 13 is made of SMC plastic material, described
Insulating outer protective cover 12, connection bolt sheath 8, ball stud sheath 7 are all made of silicone rubber material and are made.
As another preferred embodiment of the utility model, the connection bolt 10 is bent bolt, connects bolt
Be provided on the end of 10 bending part acorn nut 9 and connect 10 bending part of bolt end with connect bolt sheath 8
It is interlinked to the outside；The ball stud sheath 7 covers the half of ball stud 6, be exposed to outer the other half ball stud 6 with connect
The end of 10 bending part of bolt is opposite.
The utility model can effectively prevent insulator to be rushed by lightning surge for protecting in 10~20kV distribution line
Damage is hit, it can be with effective protection insulated conductor from lightning-caused breaking；The feature of the utility model maximum is high reliablity, maintenance
Workload is few；Arrester only protects lightning surge and a small amount of amplitude switching overvoltage, for excessively electric in general power frequency
Pressure is not responding to substantially, therefore the damage of arrester is all lightning impulse damage, and impact energy is big, is easier to blow, Ke Yicong
Side housing damaged condition judges whether product is intact；After arrester is by impact failure, route operation is had substantially no effect on, no
Ground fault can be generated, 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 tension-resistant rod external series gap metal oxide arrester, it is characterised in that: including core (13), insulating outer protective cover
(12), insulating outer protective cover (12) are set on the outside of the core (13), core (13) inner space is from one end to the other end successively
It is provided with top electrode (15), resistor disc (14), discharge electrode (11), insulated column (5), lower electrode (4), the top electrode
(15), lower electrode (4) is separately positioned on the internal both ends of core (13)；It is connected in the top electrode (15) and is piercing in core
The installation of body (13) and insulating outer protective cover (12) outside is connected on the discharge electrode (11) and is piercing in holding screw (16)
The connection bolt (10) of core (13) and insulating outer protective cover (12) outside, be connected on the lower electrode (4) Binding post/stud (3),
Ball stud (6), the Binding post/stud (3) respectively be piercing in the ball stud of core (13) and insulating outer protective cover (12) outside
(6), insulated wire (1) is connected；Connection bolt sheath is provided on the outside of the connection bolt (10), ball stud (6)
(8), ball stud sheath (7), the connection bolt sheath (8), ball stud sheath (7) are integrally connected to the outer shield that insulate
It covers on (12).
2. a kind of tension-resistant rod external series gap metal oxide arrester according to claim 1, it is characterised in that: described
Resistor disc (14) be provided with three pieces, three pieces resistor disc (14) is sequentially connected and is set to top electrode (15) and discharge electrode (11)
Between.
3. a kind of tension-resistant rod external series gap metal oxide arrester according to claim 1, it is characterised in that: setting
It is equipped on the outside of the insulating outer protective cover (12) of installation holding screw (16) one end and is provided with end cap (19), the end cap (19) is outside
The installation of side is with being connected with hex nut (17) and plain washer (18) on holding screw (16).
4. a kind of tension-resistant rod external series gap metal oxide arrester according to claim 1, it is characterised in that: in institute
The insulated wire (1) stated and heat-shrink tube (2) are provided on the outside of Binding post/stud (3) junction.
5. a kind of tension-resistant rod external series gap metal oxide arrester according to claim 1, it is characterised in that: described
Insulated column (5) be epoxy fibreglass leading-drawing rod, the insulated wire (1) be 0.6m high voltage insulated cable.
6. a kind of tension-resistant rod external series gap metal oxide arrester according to claim 1, it is characterised in that: described
Core (13) be made of SMC plastic material, the insulating outer protective cover (12), connection bolt sheath (8), ball stud shield
Set (7) is all made of silicone rubber material and is made.
7. a kind of tension-resistant rod external series gap metal oxide arrester according to claim 1, it is characterised in that: described
Connection bolt (10) be bent bolt, connect bolt (10) bending part end on be provided with acorn nut (9) and
The end of connection bolt (10) bending part is interlinked to the outside with bolt sheath (8) is connect；The ball stud sheath (7) covers ball
It is opposite with the connection end of bolt (10) bending part to be exposed to the other half outer ball stud (6) for the half of hook bolt (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822153652.5U CN209199692U (en) | 2018-12-21 | 2018-12-21 | A kind of tension-resistant rod external series gap metal oxide arrester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822153652.5U CN209199692U (en) | 2018-12-21 | 2018-12-21 | A kind of tension-resistant rod external series gap metal oxide arrester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209199692U true CN209199692U (en) | 2019-08-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822153652.5U Active CN209199692U (en) | 2018-12-21 | 2018-12-21 | A kind of tension-resistant rod external series gap metal oxide arrester |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109448939A (en) * | 2018-12-21 | 2019-03-08 | 辽宁华隆电力科技股份有限公司 | A kind of tension-resistant rod external series gap metal oxide arrester |
| US11759279B2 (en) | 2020-05-28 | 2023-09-19 | BioGenware, LLC | Packaging for a medical device |
-
2018
- 2018-12-21 CN CN201822153652.5U patent/CN209199692U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109448939A (en) * | 2018-12-21 | 2019-03-08 | 辽宁华隆电力科技股份有限公司 | A kind of tension-resistant rod external series gap metal oxide arrester |
| US11759279B2 (en) | 2020-05-28 | 2023-09-19 | BioGenware, LLC | Packaging for a medical device |
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