CN106848841A - A kind of high pressure external serial gap lightning protection combination unit - Google Patents

A kind of high pressure external serial gap lightning protection combination unit Download PDF

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Publication number
CN106848841A
CN106848841A CN201710043496.4A CN201710043496A CN106848841A CN 106848841 A CN106848841 A CN 106848841A CN 201710043496 A CN201710043496 A CN 201710043496A CN 106848841 A CN106848841 A CN 106848841A
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CN
China
Prior art keywords
electrode
metal
metal electrode
lightning protection
zinc oxide
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Granted
Application number
CN201710043496.4A
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Chinese (zh)
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CN106848841B (en
Inventor
刘炜
陈永忠
史兴坤
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Guo Electricity Investment Co Ltd Of Shenzhen
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Guo Electricity Investment Co Ltd Of Shenzhen
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Priority to CN201710043496.4A priority Critical patent/CN106848841B/en
Publication of CN106848841A publication Critical patent/CN106848841A/en
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Publication of CN106848841B publication Critical patent/CN106848841B/en
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Classifications

    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01TSPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T4/00Overvoltage arresters using spark gaps
    • H01T4/02Details
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01TSPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T1/00Details of spark gaps
    • H01T1/02Means for extinguishing arc
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01TSPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T4/00Overvoltage arresters using spark gaps
    • H01T4/16Overvoltage arresters using spark gaps having a plurality of gaps arranged in series

Abstract

The invention discloses a kind of high pressure external serial gap lightning protection combination unit, lightning protection combination unit includes two parts,, the zinc oxide valve plate component for being placed in bottom, the discharging gap component passes through Stud connection zinc oxide valve plate component to the discharging gap component for being placed in top respectively;Lightning protection combination unit of the present invention prevents destruction of the thunder and lightning to 10kV high-voltage conducting wires, solves the convenience of construction and installation, and the stability of equipment operation improves equipment operational factor.Gap keeps level electric discharge, solves during vertical discharge together because rainwater or icing cause line short circuit;Substituting traditional aluminium electrode using high-quality stainless steel metal electrode strengthens resistance to calcination ability, and service life increases;Employ new technology making zinc oxide valve plate, make conducting capacity big.

Description

A kind of high pressure external serial gap lightning protection combination unit
Technical field
The present invention relates to electrical equipment technical field, a kind of high pressure external serial gap lightning protection combination dress is particularly related to Put.
Background technology
The effect of lightning protection device be in protecting low-voltage distribution system various electric equipments from lightning surge, operated A kind of protection electrical equipment that voltage, Frequency Transient Overvoltage are impacted and damaged.
Existing lightning protection device has following weak point:
1. arrester individually is used, service life is short;
2. gap individually is used, it is impossible to block afterflow, line tripping rate is high;
3. arrester coordinates with gap, and clearance distance is not fixed, discharge instability;
4. integrated molding device, need to be uneconomical by arrester integral replacing during transformation, dumb.
Therefore, traditional lightning protection device needs to improve.
The content of the invention
For deficiency of the prior art, the technical problem to be solved in the present invention there are provided a kind of high pressure external serial gap Lightning protection is combined the unit.Lightning protection combination unit is prevented from destruction of the thunder and lightning to 10kV high-voltage conducting wires, solves construction and installation just Profit, the stability of equipment operation, raising equipment operational factor.
In order to solve the above technical problems, the present invention is realized by following scheme:A kind of high pressure external serial gap lightning protection combination Device, lightning protection combination unit includes two parts, and the discharging gap component that top is placed in respectively is, the zinc oxide for being placed in bottom Valve block component;
The discharging gap component passes through Stud connection zinc oxide valve plate component;
The discharging gap component includes arc electrode component, upper silica gel insulation sleeve and is arranged in order from top to bottom exhausted in upper silica gel The first metal electrode, Fiber glass rod, the second metal electrode in edge set, first metal electrode, the second metal electrode point The oral area of silica gel insulation sleeve upper and lower side is not arranged on;The arc electrode component includes arc electrode and is arranged at striking electricity The first metal discharge ball in extreme outer portion, the arc electrode inner end connects the second metal electrode by electrode column;Described One metal electrode sidepiece is connected with electrode column, and electrode column outer end is connected with the second metal discharge ball, the second metal discharge ball Expose to silica gel insulation sleeve, and with the first metal discharge ball horizontal alignment;
The zinc oxide valve plate component includes lower silica gel insulation sleeve, interior insulation sleeve and is arranged in order from top to bottom in lower interior insulation The 3rd metal electrode in sleeve, multilayer zinc oxide valve block, the 4th metal electrode, the 3rd metal electrode, the 4th metal electricity Pole is respectively placed in the two ends oral area of lower silica gel insulation sleeve;
The multilayer zinc oxide valve block is composite, and it includes following mass parts composition:
Silica 30%-40%;
Aluminum oxide 10%-20%;
Germanium oxide 5%-15%;
Other are zinc oxide.
Further, it is provided with separator between the Fiber glass rod and the first metal electrode, the second metal electrode.
Further, the first metal electrode upper end connection insulation soft copper wire.
Further, the upper silica gel insulation sleeve, lower silica gel insulation sleeve outer wall are provided with multilayer umbrella flange collar, upper silicone insulation Diameter of the set diameter less than lower silica gel insulation sleeve.
Further, the 4th metal electrode lower end connects metal bolts by electrode column;
First metal electrode, the second metal electrode, the 3rd metal electrode, the 4th metal electrode, the first metal discharge ball, Two metal discharge balls, metal bolts are made of stainless steel material.
Further, the multilayer zinc oxide valve block includes following mass parts composition:
Silica 35.8%;
Aluminum oxide 15.6%;
Germanium oxide 8.75%;
Other are zinc oxide.
Further, the arc electrode is right angle L-type shape.
Relative to prior art, the beneficial effects of the invention are as follows:
1. lightning protection combination unit of the present invention prevents destruction of the thunder and lightning to 10kV high-voltage conducting wires, solves the convenience of construction and installation, if The stability of received shipment row, improves equipment operational factor.
2. gap keeps level electric discharge, solves during vertical discharge together because rainwater or icing cause circuit short Connect;
3. substituting traditional aluminium electrode using high-quality stainless steel metal electrode strengthens resistance to calcination ability, and service life increases;
4. employ new technology making zinc oxide valve plate, make conducting capacity big(10kA), residual voltage is low, stable performance;(Such as silica: Aluminum oxide;Cooperation is formed by a firing oxidation germanium material etc. by a certain percentage);
5. discharging gap component is used with arrester decomposable asymmetric choice net, it is ensured that a kind of model is used instead of various;
6. resistance to calcination ability is strong, long service life;
7. discharging gap is fixed, easy for installation;
8. the mode that upper and lower two parts are connected by screw bolts, is convenient for changing any a part of component, dismounting group when implementing at the scene Close flexible, more economical reasonable, protective value is reliable and stable;
9. lightning protection combination unit of the present invention is installed different insulative on 10kV circuits and is applied;
10. lightning protection combination unit of the present invention reduces other harm that foreign object is caused.(Such as:Icing, debris etc.).
Brief description of the drawings
Fig. 1 is that lightning protection of the present invention combines the unit structural representation;
Fig. 2 is the horizontal clearance structure between two metal discharge balls of discharging gap component of the present invention.
Marked in accompanying drawing:Insulation soft copper wire 1, the first metal discharge ball 2, arc electrode 3, lower silica gel insulation sleeve 4, multilayer Zinc oxide valve plate 5, the 4th metal electrode 6, metal bolts 7, interior insulation sleeve 8, the 3rd metal electrode 9, the second metal electrode 10, Upper silica gel insulation sleeve 11, Fiber glass rod 12, the first metal electrode 13, the second metal discharge ball 14.
Specific embodiment
The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings, so that advantages and features of the invention energy It is easier to be readily appreciated by one skilled in the art, apparent is clearly defined so as to be made to protection scope of the present invention.
Accompanying drawing 1-2 is refer to, a kind of high pressure external serial gap lightning protection combination unit of the invention, lightning protection combination unit includes Two parts, the discharging gap component that top is placed in respectively are, the zinc oxide valve plate component for being placed in bottom;
The discharging gap component passes through Stud connection zinc oxide valve plate component;
The discharging gap component includes arc electrode component, upper silica gel insulation sleeve 11 and is arranged in order from top to bottom in upper silica gel The first metal electrode 13, Fiber glass rod 12 in insulation sleeve 11, the second metal electrode 10, first metal electrode 13, Two metal electrodes 10 are separately positioned on the oral area of the upper and lower side of silica gel insulation sleeve 11;The arc electrode component includes arc electrode 3 and the first metal discharge ball 2 of arc electrode outer end is arranged at, the inner end of the arc electrode 3 connects the by electrode column Two metal electrodes 10;The sidepiece of first metal electrode 13 is connected with electrode column, and electrode column outer end is connected with the second metal and puts Electric ball 14, the second metal discharge ball 14 exposes to silica gel insulation sleeve 11, and with the horizontal alignment of the first metal discharge ball 2;
The zinc oxide valve plate component includes lower silica gel insulation sleeve 4, interior insulation sleeve 8 and is arranged in order from top to bottom in lower interior exhausted The 3rd metal electrode 9 in edge sleeve 8, multilayer zinc oxide valve block 5, the 4th metal electrode 6, the 3rd metal electrode the 9, the 4th Metal electrode 6 is respectively placed in the two ends oral area of lower silica gel insulation sleeve 4;
The multilayer zinc oxide valve block 5 is composite, and it includes following mass parts composition:
Silica 30%-40%;
Aluminum oxide 10%-20%;
Germanium oxide 5%-15%;
Other are zinc oxide.
Separator is provided between the metal electrode 13 of the Fiber glass rod 12 and first, the second metal electrode 10.
The upper end of the first metal electrode 13 connection insulation soft copper wire 1, easy for installation, decay resistance is strong, and leads It is logical functional.
The upper silica gel insulation sleeve 11, the outer wall of lower silica gel insulation sleeve 4 are provided with multilayer umbrella flange collar, and upper silica gel insulation sleeve 11 is straight Diameter of the footpath less than lower silica gel insulation sleeve 4.
The lower end of 4th metal electrode 6 connects metal bolts 7 by electrode column;
First metal electrode 13, the second metal electrode 10, the 3rd metal electrode 9, the 4th metal electrode 6, the first metal are put Electric ball 2, the second metal discharge ball 14, metal bolts 7 are made of stainless steel material, improve electric discharge calcination ability, corrosion-resistant.
The arc electrode is right angle L-type shape.
The optimal mix proportion scheme of the multilayer zinc oxide valve block 5 is:
Silica 35.8%;
Aluminum oxide 15.6%;
Germanium oxide 8.75%;
Other are zinc oxide, are fired by this mix proportion scheme, can obtain the optimal product of multilayer zinc oxide valve block 5.Multilayer Zinc oxide valve plate 5, the first metal electrode 13, the second metal electrode 10, the 3rd metal electrode 9, the 4th metal electrode 6 pass through one Secondary property sulfidization molding, it is ensured that favorable sealing property.
Discharging gap component uses disposal integral molding, it is ensured that the gap of discharging gap a is fixed(As shown in Figure 2).
When circuit suffers lightning impulse, overvoltage or formation power-frequency overvoltage is caused to reach the critical of insulation soft copper wire 1 During point, the metal bolts 7 combined the unit by lightning protection, electric current imports multilayer zinc oxide valve block 5 and the 3rd metal electrode 9, the Two metal electrodes 10, by the arc electrode 3 on discharging gap component, two metal discharge balls carry out gap discharge, by remnants Light current pressure introduces the earth, it is ensured that the normal operation of circuit.
The preferred embodiment of the present invention is the foregoing is only, the scope of the claims of the invention, every profit is not thereby limited The equivalent structure or equivalent flow conversion made with description of the invention and accompanying drawing content, or directly or indirectly it is used in other phases The technical field of pass, is included within the scope of the present invention.

Claims (7)

1. a kind of high pressure external serial gap lightning protection is combined the unit, it is characterised in that lightning protection combination unit includes two parts, respectively The discharging gap component for being placed in top is, the zinc oxide valve plate component for being placed in bottom;
The discharging gap component passes through Stud connection zinc oxide valve plate component;
The discharging gap component includes arc electrode component, upper silica gel insulation sleeve(11)And be arranged in order from top to bottom in upper silicon Glue insulation sleeve(11)The first interior metal electrode(13), Fiber glass rod(12), the second metal electrode(10), first metal Electrode(13), the second metal electrode(10)It is separately positioned on silica gel insulation sleeve(11)The oral area of upper and lower side;The arc electrode Component includes arc electrode(3)And it is arranged at the first metal discharge ball of arc electrode outer end(2), the arc electrode(3) Inner end connects the second metal electrode by electrode column(10);First metal electrode(13)Sidepiece is connected with electrode column, electricity Pole outer end is connected with the second metal discharge ball(14), the second metal discharge ball(14)Expose to silica gel insulation sleeve (11), and with the first metal discharge ball(2)Horizontal alignment;
The zinc oxide valve plate component includes lower silica gel insulation sleeve(4), interior insulation sleeve(8)And be arranged in order under from top to bottom Interior insulation sleeve(8)The 3rd interior metal electrode(9), multilayer zinc oxide valve block(5), the 4th metal electrode(6), the 3rd gold medal Category electrode(9), the 4th metal electrode(6)It is respectively placed in lower silica gel insulation sleeve(4)Two ends oral area;
The multilayer zinc oxide valve block(5)It is composite, it includes following mass parts composition:
Silica 30%-40%;
Aluminum oxide 10%-20%;
Germanium oxide 5%-15%;
Other are zinc oxide.
2. a kind of high pressure external serial gap lightning protection according to claim 1 is combined the unit, it is characterised in that:The glass fibre Rod(12)With the first metal electrode(13), the second metal electrode(10)Between be provided with separator.
3. a kind of high pressure external serial gap lightning protection according to claim 1 is combined the unit, it is characterised in that:First metal Electrode(13)Upper end connection insulation soft copper wire(1).
4. a kind of high pressure external serial gap lightning protection according to claim 1 is combined the unit, it is characterised in that:The upper silica gel is exhausted Edge set(11), lower silica gel insulation sleeve(4)Outer wall is provided with multilayer umbrella flange collar, upper silica gel insulation sleeve(11)Diameter is exhausted less than lower silica gel Edge set(4)Diameter.
5. a kind of high pressure external serial gap lightning protection according to claim 1 is combined the unit, it is characterised in that:4th metal Electrode(6)Lower end connects metal bolts by electrode column(7);
First metal electrode(13), the second metal electrode(10), the 3rd metal electrode(9), the 4th metal electrode(6), One metal discharge ball(2), the second metal discharge ball(14), metal bolts(7)It is made of stainless steel material.
6. a kind of high pressure external serial gap lightning protection according to claim 1 is combined the unit, it is characterised in that:The multilayer oxidation Zinc valve block(5)Including following mass parts composition:
Silica 35.8%;
Aluminum oxide 15.6%;
Germanium oxide 8.75%;
Other are zinc oxide.
7. a kind of high pressure external serial gap lightning protection according to claim 1 is combined the unit, it is characterised in that:The arc electrode (3)It is right angle L-type shape.
CN201710043496.4A 2017-01-19 2017-01-19 A kind of high pressure external serial gap lightning protection combination unit Active CN106848841B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2020289726B1 (en) * 2020-05-25 2021-08-05 State Grid Corporation Of China Insulator for preventing lightning-caused breaking and personal electric shock

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004200092A (en) * 2002-12-20 2004-07-15 Ngk Insulators Ltd Arrestor with gap
CN102157253A (en) * 2011-01-26 2011-08-17 吉林市能兴电力设备有限公司 Outer-gap lightning arrester
CN204424022U (en) * 2015-01-27 2015-06-24 河北安达电气科技有限公司 A kind of external series gap metal zinc oxide lightning arrester
CN205621532U (en) * 2016-05-17 2016-10-05 保定通力电器设备有限公司 Outer clearance zinc oxide arrester is fixed to strain insulator pole

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004200092A (en) * 2002-12-20 2004-07-15 Ngk Insulators Ltd Arrestor with gap
CN102157253A (en) * 2011-01-26 2011-08-17 吉林市能兴电力设备有限公司 Outer-gap lightning arrester
CN204424022U (en) * 2015-01-27 2015-06-24 河北安达电气科技有限公司 A kind of external series gap metal zinc oxide lightning arrester
CN205621532U (en) * 2016-05-17 2016-10-05 保定通力电器设备有限公司 Outer clearance zinc oxide arrester is fixed to strain insulator pole

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2020289726B1 (en) * 2020-05-25 2021-08-05 State Grid Corporation Of China Insulator for preventing lightning-caused breaking and personal electric shock

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