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CN202584971U - Delicate three-phase combined lightning arrester - Google Patents

Delicate three-phase combined lightning arrester Download PDF

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Publication number
CN202584971U
CN202584971U CN 201220253181 CN201220253181U CN202584971U CN 202584971 U CN202584971 U CN 202584971U CN 201220253181 CN201220253181 CN 201220253181 CN 201220253181 U CN201220253181 U CN 201220253181U CN 202584971 U CN202584971 U CN 202584971U
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CN
China
Prior art keywords
unit
electrode
lightning arrester
phase combined
ground
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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.)
Expired - Fee Related
Application number
CN 201220253181
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Chinese (zh)
Inventor
赵章开
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ZHEJIANG ZHONGNENG ELECTRICAL CO Ltd
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ZHEJIANG ZHONGNENG ELECTRICAL CO Ltd
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Priority to CN 201220253181 priority Critical patent/CN202584971U/en
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Publication of CN202584971U publication Critical patent/CN202584971U/en
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Abstract

The utility model relates to an arrester device, and in particular relates to a delicate three-phase combined lightning arrester comprising an insulated base (7), wherein the insulated base (7) is connected with a first upper unit (1), a second upper unit (2) and a third upper unit (3); the insulated base (7) comprises a first lower unit (4), a second lower unit (5) and a ground unit (6); the first lower unit (4) is connected with the first upper unit (1) and the second upper unit (2); the second lower unit (5) is connected with the second upper unit (2) and the third upper unit (3); the first lower unit (4), the second lower unit (5) and the ground unit (6) are connected through a lead; and the ground unit (6) is grounded. According to the utility model, the lower units and the ground unit are arranged in the base, and the base is in a solid insulated state, so that the delicate three-phase combined lightning arrester is compact and delicate in structure, small in size, convenient to mount and maintain and capable of effectively avoiding potential safety hazards brought by a neutral conductor and ensuring that the safety factor is greatly increased.

Description

A kind of three phase combined lightning arrester of exquisiteness
Technical field
The utility model relates to a kind of arrester device, has related in particular to a kind of three phase combined lightning arrester of exquisiteness.
Background technology
Three phase combined lightning arrester in the market is made up of 4 elements; One end of 4 elements connects into a neutral point; Three phase elements keep spaced apart to be installed on the metallic plate side by side, are installed by another ground member supports ground connection, or add an insulator twin columns support installation again; Wherein the other end of three elements is connected the other end ground connection of an element respectively with by A, B, the C triple line of protection equipment.This Modular Three-Phase Overvoltage Protector has solved the harm that overvoltage is brought to equipment, and still, huger, the shared spatial area of its structure is big, is not suitable for to be installed in the switch cubicle.
Another kind of three phase combined lightning arrester is that 4 elements become the in-line arrangement to be assembled on the insulator foot on the market; The connection neutral line of four elements is hidden in the insulator foot; Its other end is drawn from element internal by high-voltage cable, is connected to by A, B, C triple line and the ground wire of protection equipment.Though this structure can be dwindled phase spacing, consider the dielectric strength between the neutral line is over the ground, on coefficient of safety, reduce greatly.
A kind of small-sized structure appearred in recent years: three phase elements; Together with the high-tension cable lead-out wire; Be installed on the insulator foot; A ground element is assembled in the insulator foot and draws ground connection through bolt by base; The characteristic of this product is called oneself and is adopted the high energy resistor disc to add automatic disengaging protection in addition, but what go out to exhale expectation is that this product resistor disc is a zinc oxide valve plate, and diameter is little to refer to slightly be about Ф 11mm~Ф 13mm to big mother; The at present domestic high energy resistor disc minimum dimension that will satisfy the discharge capacity value of national standard and industry standard regulation is Ф 28mm, and can not find relevant resistor disc discharge capacity: any data that 18 tolerances of 2000 μ s rectangular impulse currents and 4/10 μ s impact 2 tolerances; The releasing mechanism of this product is that the fuse of connecting with gap or resistor disc or tiny copper wire are wrapped in that filling has served as voltage energy fuse or copper wire are blown with quartz sand on the insulated tube, the nationality quartz sand extinguish arcs product function of also just having scattered and disappeared.This product is low and voguish with valency, but accident frequently takes place, and rate of failure is high, uses the user in harm always.
Summary of the invention
The utility model is to above shortcoming in the prior art, provides a kind of and avoided equipment to receive overvoltage injuring delicate structure, and it is little to take up room, and the three phase combined lightning arrester of the high a kind of exquisiteness of safety system.
In order to solve the problems of the technologies described above, the utility model is able to solve through following technical proposals:
A kind of three phase combined lightning arrester of exquisiteness; Comprise insulator foot, be connected on the insulator foot that on the unit, the 3rd unit on the unit on first, second, described insulator foot comprise first lower unit, second lower unit, the unit; On first lower unit and first on the unit, second unit be connected; On second lower unit and second on the unit, the 3rd unit be connected, first lower unit, second lower unit, the unit connect unit, ground ground connection through lead.Through this connected mode, can two lower unit and ground unit exquisiteness be arranged in the insulator foot, and base adopts solid-state insulation, compact conformation, exquisiteness, volume is little, and is convenient for installation and maintenance.
As preferably, described first lower unit is formed by stacking resistor disc, and the upper end of resistor disc is provided with the circle copper sheet, circle copper sheet during the centre is provided with, and the lower end is provided with down the circle copper sheet.First lower unit, second lower unit are formed by stacking resistor disc, and the upper end of resistor disc, centre, lower end all are welded with round copper sheet, are used for connecting lead.
As preferably, the unit is connected with the wiring nose through the high-tension cable lead-out wire on described first, and the wiring nose is connected with protected phase line A; The unit is connected with protected phase line B on second; The unit is connected with protected phase line C on the 3rd, is connected through core between the unit on the high-tension cable lead-out wire and first.
As preferably, the unit comprises clearance component and the resistive element that is connected in series on described first, and the clearance component upper end is connected with top electrode, and the lower end of resistive element is connected with bottom electrode.The resistor disc lower end connects bottom electrode, and through polyphone, product is isolated with system under system's operate as normal, does not bear the operating voltage of system, and Leakage Current is atomic little, and does not have the chargeability effect, and ageing-resistant performance is good, long service life.
As preferably, described resistive element is formed by stacking resistor disc, and clearance component comprises copper electrode, porcelain ring, and copper electrode is installed on the porcelain ring, and copper electrode comprises copper electrode, copper electrode down.。
As preferably, twine insulating material outside the integral body of described clearance component and resistive element, top electrode, bottom electrode combination, and integral body is encapsulated with silastic material.
As preferably, unit, described ground comprises copper electrode, and copper electrode is installed on the porcelain ring, and the copper electrode two ends are provided with round copper sheet, circle copper sheet.The unit, ground comprises copper electrode, and copper electrode is installed on the porcelain ring, and the copper electrode two ends are provided with round copper sheet, and the circle copper sheet is used for connecting lead.
As preferably, on described first on the unit, second on the unit, the 3rd the porcelain ring inboard in the unit be provided with irradiation electrode, the irradiation electrode outer surface scribbles the high resistant glaze.Porcelain ring inboard is provided with irradiation electrode, and the irradiation electrode outer surface scribbles the high resistant glaze, has all pressure effects, adds the radiation of irradiation electrode, makes gap discharge stable performance, dispersed little.
As preferably, the porcelain ring inboard in the unit, described ground is provided with irradiation electrode, and the irradiation electrode outer surface scribbles the high resistant glaze.Porcelain ring inboard is provided with irradiation electrode, and the irradiation electrode outer surface scribbles the high resistant glaze, has all pressure effects, adds the radiation of irradiation electrode, makes gap discharge stable performance, dispersed little.
The utility model is owing to adopted above technical scheme; Have significant technique effect: the utility model is installed in lower unit and unit, ground in the base, and base adopts solid-state insulation, compact conformation, exquisiteness; Volume is little; Potential safety hazard convenient for installation and maintenance, as to adopt above-mentioned CONFIG effectively to avoid the neutral line to bring increases coefficient of safety greatly; Being welded with copper sheet on the high energy ZnO can effectively link to each other with lead; Discharging gap and zinc oxide resistance sheet polyphone can guarantee this lightning arrester under system's normal operating conditions, isolate with system, do not bear the operating voltage of system, and Leakage Current is minimum, and does not have the effect of chargeability, and ageing-resistant performance is good, long service life; The irradiation electrode that scribbles the high resistant glaze that the porcelain ring is inboard can make gap discharge stable performance, dispersed little, adds and the reasonable disposition of zinc oxide resistance sheet that do not have afterflow basically, arc extinction performance is reliable.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment 1.
Fig. 2 is the sectional top view of insulator foot A-A face among Fig. 1.
The toponym that each number designation referred in the above accompanying drawing is following: unit on 1-the first wherein; Unit on 2-the second; Unit on 3-the three; 4-the first lower unit; 5-the second lower unit; Unit, 6-ground; 7-insulator foot; 11-high-tension cable lead-out wire; 12-core; 13-top electrode; 14-copper electrode; 15-porcelain ring; 16-insulating material; 17-silastic material; 18-resistor disc; 19-bottom electrode; 41-middle round copper sheet; 42-resistor disc; 43-upward round copper sheets; 44-down circle copper sheets; 45-silastic material; 51-circle copper sheet; 52-circle copper sheet; 53-circle copper sheet; 61-copper electrode; 62-porcelain ring; 63-silastic material; 64-circle copper sheet; 65-circle copper sheet; 71-bolt; 72-lead; 73-bolt; 74-lead; 75-lead; 76-lead; 77-lead; 78-bolt; 141-upward copper electrodes; 142-following copper electrode.
Embodiment
Below in conjunction with accompanying drawing 1 to Fig. 2 and embodiment the utility model is described in further detail:
Embodiment 1
A kind of three phase combined lightning arrester of exquisiteness; Extremely shown in Figure 2 like Fig. 1; Comprise insulator foot 7, be connected on first on the unit 1, second unit 3 on the unit 2, the 3rd on the insulator foot 7, described insulator foot 7 comprise first lower unit 4, second lower unit 5, unit 6; On first lower unit 4 and first on the unit 1, second unit 2 be connected; On second lower unit 5 and second on the unit 2, the 3rd unit 3 be connected, first lower unit 4, second lower unit 5, unit 6 connect unit, ground 6 ground connection through lead.Insulator foot 7 forms for dielectric strength and the good insulating material integral die of mechanical strength; Profile is two arch-shaped, cuboids that inside is provided with many muscle and groove; Two lower unit and the exquisite skilful Bu Qinei in unit, a ground; The unit is connected with the ground units in series through 1/2nd or lower unit of two lower unit on each, forms overvoltage protection relatively; The unit is connected with 1/2nd series connection of a lower unit or two lower unit on each, constitutes alternate overvoltage protection.Through this connected mode, can two lower unit and ground unit exquisiteness be arranged in the insulator foot 7, and base adopts solid-state insulation, compact conformation, exquisiteness, volume is little, and is convenient for installation and maintenance.First lower unit is connected on the bolt 73 through lead 74, and bolt 73 connects unit on second, on second on the cellular construction and first cellular construction identical; First lower unit links to each other with second lower unit again through lead 75, and the second lower unit structure is identical with first lower unit, and second lower unit links to each other through unit on the lead 76 and the 3rd; And be connected with the unit, ground through lead 77, unit, ground other end ground connection, the unit, ground comprises copper electrode 61 and porcelain ring 62; Copper electrode 61 two ends are provided with round copper sheet, with copper electrode 61, and porcelain ring 62; Circle copper sheet integral body is twined fastening with thermoplastic cover or glass fiber strap, molded vulcanization is encapsulated in the silastic material 63 at last then.
First lower unit 4 is formed by stacking resistor disc 42, and the upper end of resistor disc 42 is provided with circle copper sheet 43, circle copper sheet 41 during the centre is provided with, and the lower end is provided with down circle copper sheet 44.First lower unit, second lower unit are formed by stacking resistor disc, and the upper end of resistor disc, centre, lower end all are welded with round copper sheet, are used for connecting lead.First lower unit, 4 one ends are welded with circle copper sheet 43; Other end welding is circle copper sheet 44 down; Circle copper sheet 41 during the centre is welded with; Middle circle copper sheet 41 is divided into the identical two parts of performance parameter with resistor disc, and first lower unit, 4 usefulness thermoplastics cover or the fastening back of glass fiber strap winding integral die vulcanize seals the shaping silastic material.
Unit 1 is connected with the wiring nose through high-tension cable lead-out wire 11 on first, and the wiring nose is connected with protected phase line A; Unit 2 is connected with protected phase line B on second; Unit 3 is connected with protected phase line C on the 3rd, is connected through core 12 between the unit 1 on the high-tension cable lead-out wire 11 and first, and core 12 is connected with top electrode 13, and resistor disc 18 lower ends connect bottom electrode 19.The unit is connected on the insulator foot 7 through bolt 71 on first, and bolt 71 is connected with first lower unit through lead 72, and first lower unit is formed by stacking resistor disc 42; The upper end of resistor disc 42; Centre and lower end all are welded with round copper sheet, are used to connect lead, the resistor disc 42 usefulness thermoplastics cover that stack is good or fastening with the winding of glass fiber strap; The integral die sulfuration is encapsulated in the silastic material 45 at last.
Unit 1 comprises clearance component and the resistive element that is connected in series on first, and the clearance component upper end is connected with top electrode 13, and the lower end of resistive element is connected with bottom electrode 19.Resistor disc 18 lower ends connect bottom electrode 19, and through polyphone, product is isolated with system under system's operate as normal, does not bear the operating voltage of system, and Leakage Current is atomic little, and does not have the chargeability effect, and ageing-resistant performance is good, long service life.Connected with a resistor disc by clearance component in last unit, use at two ends, bottom electrode compresses, fastening with insulating material winding, the curable epoxide of similar epoxy glass wool cloth band then, applies bonding couplant, and the integral die sulfuration is sealed silastic material and formed; Said clearance component is assembled by a pair of cup-shaped copper electrode and porcelain ring, and said porcelain ring is for the special ceramic material outer surface of high Jie is coated with glass glaze, the inboard is provided with a pair of irradiation electrode and has all special materials of pressure effect; Its central hole sealing of electric conducting material that very is similar to aluminium alloy that powers on is welded with the parts that high-tension cable goes between; Bottom electrode is connected with the bolt of base for being provided with blind threaded confession with its lower end of top electrode same material; Silastic material is fire-retardant, the anti-electric traceization and the strong insulating material that deteriorates; Resistor disc is the excellent resistor disc of nonlinear characteristic.
Resistive element is formed by stacking multi-disc resistor disc 18.Resistor disc 18 is the high-performance zinc oxide resistor disc.Clearance component comprises copper electrode 14, porcelain ring 15, and copper electrode 14 is installed on the porcelain ring 15, and copper electrode 14 comprises copper electrode 141, following copper electrode 142.
Clearance component and resistive element, top electrode 13, the whole outer of bottom electrode 19 combinations twine insulating material 16, and integral body is encapsulated with silastic material 17.Insulating material 16 is the epoxy fibreglass strap.Be connected with the discharging gap unit below the top electrode 13; The discharging gap unit is made up of copper electrode 14, porcelain ring 15, and porcelain ring inboard is provided with irradiation electrode, and the irradiation electrode outer surface applies the high resistant glaze; Connect resistor disc 18 below the discharging gap unit; Resistor disc 18 connects bottom electrode 19, and bottom electrode 19 is provided with blind threaded, supplies to be connected with the bolt of base.Assemble top electrode 13, copper electrode 14, porcelain ring 15, resistor disc 18 and bottom electrode 19 then, twine with epoxy fibreglass cloth 16, apply bonding couplant, last integral die sulfuration is encapsulated in the silastic material 17.
Unit 6, ground comprises copper electrode 61, and copper electrode 61 is installed on the porcelain ring 62, and copper electrode 61 two ends are provided with round copper sheet 64, circle copper sheet 65.The unit, ground comprises copper electrode, and copper electrode is installed on the porcelain ring, and the copper electrode two ends are provided with round copper sheet, and the circle copper sheet is used for connecting lead.The unit, ground be and last unit adopts identical clearance component, and there is the company's lead that has welded round copper sheet at the cup-shaped electrode place at its two ends closed assembly respectively, with thermoplastic cover or glass fiber strap twine fastening after, integral die vulcanizes seals the shaping silastic material.
On first on the unit 1, second on the unit 2, the 3rd porcelain ring 15 inboards in the unit 3 be provided with irradiation electrode, the irradiation electrode outer surface scribbles the high resistant glaze.Porcelain ring inboard is provided with irradiation electrode, and the irradiation electrode outer surface scribbles the high resistant glaze, has all pressure effects, adds the radiation of irradiation electrode, makes gap discharge stable performance, dispersed little.
Porcelain ring 62 inboards in the unit, ground 6 are provided with irradiation electrode, and the irradiation electrode outer surface scribbles the high resistant glaze.Porcelain ring inboard is provided with irradiation electrode, and the irradiation electrode outer surface scribbles the high resistant glaze, has all pressure effects, adds the radiation of irradiation electrode, makes gap discharge stable performance, dispersed little.Concrete protected mode, overvoltage protection relatively:
The A phase line: the overvoltage electric current on the A phase line is realized A overvoltage protection relatively through the unit → ground, the first half → lead 77 → ground of the first half → lead 75 → the second lower unit of bolt 71 → lead 72 → the first lower unit;
The B phase line: the overvoltage electric current on the B phase line is realized B overvoltage protection relatively through the unit → ground, the first half → lead 77 → ground of Lower Half → lead 75 → the second lower unit of bolt 73 → lead 74 → the first lower unit;
The C phase line: the overvoltage electric current on the C phase line is realized C overvoltage protection relatively through bolt 78 → the second lower unit → unit → ground, lead 77 → ground.
Alternate overvoltage protection:
A, B phase line: through bolt 71 → lead 72 → the first lower unit → lead 74 → bolt 73 → B, realize the alternate overvoltage protection of A, B phase by A;
B, C phase line: by the Lower Half → lead 76 → bolt 78 → C of B, realized the alternate overvoltage protection of B, C phase through Lower Half → lead 75 → the second lower unit of bolt 73 → lead 74 → the first lower unit;
A, C phase line: by the Lower Half → lead 76 → bolt 78 → C of A through the first half → lead 75 → the second lower unit of bolt 71 → lead 72 → the first lower unit.
In a word, the above is merely the preferred embodiment of the utility model, and all equalizations of being done according to the utility model claim change and modify, and all should belong to the covering scope of the utility model patent.

Claims (9)

1. the three phase combined lightning arrester of an exquisiteness; Comprise insulator foot (7); Be connected on the insulator foot (7) on the unit on first (1), second on unit (2), the 3rd unit (3); It is characterized in that: described insulator foot (7) comprise first lower unit (4), second lower unit (5), unit (6), on first lower unit (4) and first on unit (1), second unit (2) be connected, on second lower unit (5) and second on unit (2), the 3rd unit (3) be connected; First lower unit (4), second lower unit (5), unit (6) connect unit, ground (6) ground connection through lead.
2. the three phase combined lightning arrester of a kind of exquisiteness according to claim 1; It is characterized in that: described first lower unit (4) is formed by stacking resistor disc (42); The upper end of resistor disc (42) is provided with circle copper sheet (43); Circle copper sheet (41) during the centre is provided with, the lower end is provided with down circle copper sheet (44).
3. the three phase combined lightning arrester of a kind of exquisiteness according to claim 1 is characterized in that: unit on described first (1) is connected with the wiring nose through high-tension cable lead-out wire (11), and the wiring nose is connected with protected phase line A; Unit on second (2) is connected with protected phase line B; Unit on the 3rd (3) is connected with protected phase line C, is connected through core (12) between unit (1) on the high-tension cable lead-out wire (11) and first.
4. the three phase combined lightning arrester of a kind of exquisiteness according to claim 1; It is characterized in that: unit on described first (1) comprises clearance component and the resistive element that is connected in series; The clearance component upper end is connected with top electrode (13), and the lower end of resistor disc element is connected with bottom electrode (19).
5. the three phase combined lightning arrester of a kind of exquisiteness according to claim 4; It is characterized in that: described resistive element is formed by stacking resistor disc (18); Clearance component comprises copper electrode (14), porcelain ring (15); Copper electrode (14) is installed on the porcelain ring (15), and copper electrode (14) comprises copper electrode (141), following copper electrode (142).
6. the three phase combined lightning arrester of a kind of exquisiteness according to claim 5; It is characterized in that: described clearance component and resistive element, top electrode (13), the whole outer of bottom electrode (19) combination twine insulating material (16), and integral body is encapsulated with silastic material (17).
7. the three phase combined lightning arrester of a kind of exquisiteness according to claim 1; It is characterized in that: unit, described ground (6) comprise copper electrode (61); Copper electrode (61) is installed on the porcelain ring (62), and copper electrode (61) two ends are provided with round copper sheet (64), circle copper sheet (65).
8. the three phase combined lightning arrester of a kind of exquisiteness according to claim 5; It is characterized in that: on unit on described first (1), second on unit (2), the 3rd porcelain ring (15) inboard in unit (3) be provided with irradiation electrode, the irradiation electrode outer surface scribbles the high resistant glaze.
9. the three phase combined lightning arrester of a kind of exquisiteness according to claim 7 is characterized in that: porcelain ring (62) inboard in unit, described ground (6) is provided with irradiation electrode, and the irradiation electrode outer surface scribbles the high resistant glaze.
CN 201220253181 2012-05-31 2012-05-31 Delicate three-phase combined lightning arrester Expired - Fee Related CN202584971U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220253181 CN202584971U (en) 2012-05-31 2012-05-31 Delicate three-phase combined lightning arrester

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Application Number Priority Date Filing Date Title
CN 201220253181 CN202584971U (en) 2012-05-31 2012-05-31 Delicate three-phase combined lightning arrester

Publications (1)

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CN202584971U true CN202584971U (en) 2012-12-05

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103928199A (en) * 2013-01-11 2014-07-16 上海雷博司电气股份有限公司 Arrester insulating sleeve used for solid insulating ring main unit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103928199A (en) * 2013-01-11 2014-07-16 上海雷博司电气股份有限公司 Arrester insulating sleeve used for solid insulating ring main unit

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20121205

Termination date: 20170531

CF01 Termination of patent right due to non-payment of annual fee