CN1409330A - Method for producing serially combined voltage-equalizing anti-explosion arrester - Google Patents
Method for producing serially combined voltage-equalizing anti-explosion arrester Download PDFInfo
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- CN1409330A CN1409330A CN 02135313 CN02135313A CN1409330A CN 1409330 A CN1409330 A CN 1409330A CN 02135313 CN02135313 CN 02135313 CN 02135313 A CN02135313 A CN 02135313A CN 1409330 A CN1409330 A CN 1409330A
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Abstract
This invention relates to a method for producing insulated lightning protection of transmission and distribution line equipment. The invented method for producing explosion, lightning protection devices of unit combined serial gap voltage-sharing which includes its main body part and fixing sealed sheel. The main body part constitutes at least a set of discharging gap valves in effective discharging large panel porous ventilation type discharging gap valve plate clamping hollow insulation pads connected in series with at least a set of hollow ventilation metal zinc oxide composite stuck with insulated tubes and ventilation holes at the center adhered with ventilation insulating arc shield location disks around its waist, available in the production of lightning protection explosion proof insulators and explosion proof lightning arrestors.
Description
(1) technical field
The present invention relates to fail, the manufacture method of the insulation lightning arrester of distribution line equipment.
(2) background technology
Took the lead in succeeding in developing non-linear ZnO resistors by MAT in 1970; what the world was in vogue at present enumerates stack and the lightning arrester of sealing moulding by zinc oxide resistance sheet; why be in monopoly position in China; be because the molecular structure of this part presents high resistance deal, big parasitic capacitive deal simultaneously; and the stray inductance deal, and have advantages such as non-linear protective feature is good, energy absorption capability big, stability is better.But also there is simultaneously the drawback that is difficult to overcome, produces bigger residual voltage during promptly by big electric current and have the leakage current that differs in size, easily cause the ant cave effect that inrushes.At first, this lightning arrester will produce higher residual voltage by big electric current the time, be to guarantee the safety of line facility, just must satisfy insulation coordination ratio between protected circuit equipment and the residual voltage of arrester-be the requirement of coefficient of safety.Residual voltage is higher, and is also higher to the dielectric strength requirement of protected circuit equipment self.This has just increased cost and the complexity and the difficulty of protected circuit equipment.Moreover, because the power loss that its resistive deal electric current produces-be that leakage current and nonlinear characteristic thereof are the external factors such as height with ambient temperature, solar radiation intensity and the voltage that applies in the external world, inversely proportional circulation, the stack of oxidation zinc metal sheet and the encapsulation that add this lightning arrester again are very tight, there is not the condition that convection current, circulation cycle heat radiation are provided to hot barometric pressure in its inside, special under the strong solar radiation of torridity summer, more aggravated its vicious circle to the reverse ratio of critical condition.Under this state, if meet thunderbolt, single-phase earthing, load rejection, when pernicious operating modes such as accident such as automatic reclosing or switching overvoltage occur, the generation of very easy explosion caused accident.
(3) summary of the invention
The objective of the invention is to make and a kind ofly not only can tolerate the big electric current that repeatedly is struck by lightning; and can reduce lightning arrester significantly in the residual voltage value that is produced when being struck by lightning big electric current and power-frequency overvoltage overcurrent; reduce insulation coordination severe this requirement to the apparatus insulated intensity of protected circuit; protect its line facility insulation not breakdown, improve its defencive function and coefficient of safety.Eliminate the power loss (or claiming leakage current) of resistive deal electric current, reduce the electric energy loss of power line course of conveying.Reduce big electric current by the time lightning arrester inside the burn vestige, keep discharge voltage even, it is stable to keep earth resistance, is beneficial to relaying protection choosing value and adjusts and precision maneuver, and prolong its lightning arrester life-span.The heat expansion air pressure that is produced when giving by big electric current forms convection current, circulation, circulation heat radiation release of pressure and leakage path, to prevent its blast, guarantees its safety.
The objective of the invention is to finish by following measure:
The manufacture method of serially combined voltage-equalizing anti-explosion arrester of the present invention is made up of serially combined voltage-equalizing anti-explosion main part and fixing seal housing parts two parts; Its main part is by at least one group of effective big plane of the effective discharge porous aeration type discharging gap valve group that constitute of the big plane porous aeration type discharging gap valve block clamping hollow insulating washer of discharge, be connected in series mosaic bonding at least one group of periphery waist aeration type insulation center that hides garden, arc location dish air vent hole and the sticking hollow aeration type metal zinc oxide assembly that studs with insulated tube are arranged; The fixing seal housing parts be by base, loam cake more in addition fastening insulating material adhering and sealing formed; Characteristics of the present invention are; Effectively the big plane of discharge porous aeration type discharging gap valve block is by the stainless steel material manufacturing.
The manufacture method of serially combined voltage-equalizing anti-explosion arrester of the present invention, when the serially combined voltage-equalizing anti-explosion main part is made of a plurality of separate units, each separate unit tandem compound is to be coiled by the fastening garden of binodal combined serial to finish, the center of the fastening garden of its binodal combined serial dish is provided with the mesopore airway, and the hole airway is provided with by netted packing ring, axis and makes up the releasing pressure automatically seal valve group device that fastening pin rod, cone seal plug, spring, protecting cover combine therein.
The manufacture method of serially combined voltage-equalizing anti-explosion arrester of the present invention, effectively the big plane of discharge porous aeration type discharging gap valve block is with stainless sheet steel and is provided with a plurality of air vent hole punch formings, its effective cross-section is that 2KV is 60 square millimeters-600 square millimeters when following at every separate unit discharge voltage, at each separate unit discharge voltage is 2KV when above, is 300 square millimeters-1800 square millimeters.
The manufacture method of serially combined voltage-equalizing anti-explosion arrester of the present invention, the selected stainless thickness of big plane porous aeration type discharging gap valve block effectively discharges, at each separate unit discharge voltage is that 2KV chooses at 0.2 millimeter-1.3 millimeters when following, at each separate unit discharge voltage is 2KV when above, chooses at 0.5 millimeter-3.6 millimeters.
The manufacture method of serially combined voltage-equalizing anti-explosion arrester of the present invention, the thickness of the hollow clearance for insulation packing ring of clamping in its big plane porous aeration type discharging gap valve group of effectively discharging, at each separate unit discharge voltage is that 2KV is when following, choose by 0.1 millimeter-1.9 millimeters thickness from bottom to top, at each separate unit discharge voltage is 2KV when above, chooses by 0.3 millimeter-4.8 millimeters thickness from bottom to top.
The manufacture method of serially combined voltage-equalizing anti-explosion arrester of the present invention, its central hole ventilation type metal zinc oxide assembly be by the central hole ventilation type zinc oxide resistance sheet and in its peripheral waist mosaic bonding have the aeration type insulation of air vent hole to hide garden, arc location dish, the thickness that its insulation hides garden, arc location dish is that 2KV is when following at each separate unit discharge voltage, choose at 0.1 millimeter-2 millimeters thickness, at each separate unit discharge voltage is that 2KV is when above, choose at 0.5 millimeter-5 millimeters, and in the center roof vent of its zinc oxide resistance sheet with the bonding high strength insulated tube of having inlayed of high strength insulating adhesive.
The manufacture method of serially combined voltage-equalizing anti-explosion arrester of the present invention, the thickness of its metal zinc oxide is 2KV when following at each separate unit discharge voltage, chooses by 1 millimeter-20 millimeters, at each separate unit discharge voltage is 2KV when above, chooses by 10 millimeters-60 millimeters.
The manufacture method of unit combination series average-voltage anti-explosion arrester of the present invention, it presses solidly spring is that device is in having the location aeration type spring assembly dish of air vent hole.
The manufacture method of serially combined voltage-equalizing anti-explosion arrester of the present invention, its base is provided with the mesopore airway, and is provided with by axis in the upper port of mesopore airway and makes up the sealing automatic decompression valve that fastening pin rod, hemisphere piston valve body, spring, hemisphere packed-piston, protecting cover are formed; Be provided with by spring, cone seal plug, protecting cover, axis in the lower port of mesopore airway and make up the sealing relief valve that fastening pin rod is formed.
The manufacture method of the serially combined voltage-equalizing anti-explosion arrester that the present invention makes, be to have utilized the aforementioned advantageous characteristic that non-linear ZnO resistors had, in addition, 1. transform ZnO resistors as central hole ventilation type, 2. around it in waist mosaic bonding the aeration type insulation hide garden, arc location dish, 3. the bonding high strength insulated tube of having inlayed in hole therein, 4. adopt hardness, fusing point is far above red copper or brass, and the approximate stainless steel that can substitute of characteristic has been made effectively big discharge plane porous aeration type discharging gap valve group, 5. close the series connection ZnO resistors with the effective discharge of many groups big plane porous aeration type discharging gap valve assembly, it is several weak point electric arcs that long arc is blocked, make its blow-out easier, it is slighter to burn, and the lower life-span of its heat and hot barometric pressure is longer, and characteristic is perfect more good.6. at the fastening garden of binodal combination serial connection dish the mesopore airway is set, and in airway, is provided with the sealing automatic decompression valve with heat expansion air pressure heat loss through convection release of pressure.7. the plane is provided with the aeration type packing ring and to heat expansion air pressure a cushion space is set on its base.8. be provided with the mesopore airway at the center of its base, and be provided with the passage that sealing automatic decompression valve group gives the external release of higher thermal flatulence pressure separately at the upper and lower port of airway.
Therefore; the present invention not only can tolerate the big electric current that repeatedly is struck by lightning; and can reduce lightning arrester significantly in the residual voltage value that is produced when being struck by lightning big electric current and power-frequency overvoltage overcurrent; reduce insulation coordination severe this requirement to the apparatus insulated intensity of protected circuit; protect its line facility insulation not breakdown, improve its defencive function and coefficient of safety.Eliminate the power loss (or claiming leakage current) of resistive deal electric current, reduce the electric energy loss of power line course of conveying.Reduce big electric current by the time lightning arrester inside the burn vestige, keep discharge voltage even, it is stable to keep earth resistance, is beneficial to relaying protection choosing value and adjusts and precision maneuver, and prolong its lightning arrester life-span.The heat expansion air pressure that is produced when giving by big electric current forms convection current, circulation, circulation heat radiation release of pressure and leakage path, to prevent its blast, guarantees its safety.
(4) description of drawings
Fig. 1 is a serially combined voltage-equalizing anti-explosion arrester agent structure schematic diagram
Fig. 2 is the structural representation of the fastening garden of binodal combination serial connection dish
Fig. 3 is that three unit-combination types are all pressed explosion-proof lightning protection device structural representation
Fig. 4 all presses lightning-arrest explosion-proof isolation minor structure schematic diagram for being connected in series dividing potential drop
Among the figure:
1. locate aeration type spring assembly dish,
2. the big plane porous aeration type discharging gap valve block that effectively discharges,
3. hollow insulating washer,
4. aeration type pad,
5. the aeration type insulation hides garden, arc location dish
6. central hole ventilation type metal zinc oxide
7. aeration type packing ring
8. axis makes up fastening pin rod
9 hemisphere piston valve bodies
10. spring
11. hemisphere packed-piston
12. protecting cover
13 springs
14. cone seal plug
15. protecting cover
16. axis makes up fastening pin rod
17. base
18. axis makes up fastening pin rod
19. netted packing ring
20. cone seal plug
21. spring
22. protecting cover
23. the fastening garden of binodal combination serial connection dish
(5) preferred forms
Embodiment 1:
As shown in Figure 3, be three unit-combination type explosion-proof lightning protection devices.It is 3.3KV that present embodiment is suitable for every separate unit discharge voltage, and its composite entity voltage is the 10KV anti-explosion arrester.Form by three groups of serially combined voltage-equalizing anti-explosion main parts and fixing seal housing parts two parts; Its main part is made up of three unit, and the structure of upper, middle and lower Unit three is identical substantially.
The main part of its each unit as shown in Figure 3; The effective big plane of the effective discharge porous aeration type discharging gap valve group that constitutes of discharge big plane porous aeration type discharging gap valve block (2) clamping hollow insulating washer (3), be connected in series mosaic bonding in the peripheral waist aeration type insulation center that hides garden, arc location dish (5) air vent hole and sticking hollow aeration type metal zinc oxide (6) assembly that studs with insulated tube are arranged.
During three separate unit tandem compounds, be to finish by the binodal combination fastening garden dish of serial connection (23).As shown in Figure 2, the center of its binodal combination fastening garden dish of serial connection (23) is provided with the mesopore airway, and the hole airway is provided with by netted packing ring (19), axis and makes up fastening pin rod (18), cone seal plug (20) therein.
The fixing seal housing parts be by base (17), loam cake more in addition fastening insulating material adhering and sealing formed.
Base is provided with the mesopore airway, and is provided with by axis in the upper port of mesopore airway and makes up the sealing automatic decompression valve that fastening pin rod (8), hemisphere piston valve body (9), spring (10), hemisphere packed-piston (11), protecting cover (12) are formed; Be provided with by spring (13), cone seal plug (14), protecting cover (15), axis in the lower port of mesopore airway and make up the sealing relief valve that fastening pin rod (16) is formed.
Effectively the big plane porous aeration type discharging gap valve block of discharge (2) is by the stainless steel material manufacturing, and net sectional area is 1500 square millimeters, and thickness is 3 millimeters.The thickness of hollow clearance for insulation packing ring (3) is 3.8 millimeters.The thickness that the aeration type insulation hides garden, arc location dish is 4 millimeters.Central hole ventilation type metal zinc oxide thickness is 50 millimeters.
To the 10KV phase line, discharge voltage 9KV, stretching resistance 70KN level, simulation thunderbolt 4/10us heavy current impact is done by institute, and maximum current is 63.87KA, and its residual voltage is 8.884KV, does not have puncture, no flashover, does not have blast, no explosion, and test product is intact.Through dissecting check measurement, its burn is slight, can bear the 63.87KA rush of current 33 times, and its error maintains ± 5% scope, can keep ground discharge voltage error when impacting 165 times in ± 10% scope.By probability of lightning current is that 90% 10KA impacts 98 times, keeps error ± 5%, impacts 490 times, keeps error ± 10%.
Embodiment 2:
As shown in Figure 4, present embodiment is that every separate unit discharge voltage is lightning-arrest explosion-proof isolation of 3KV.
Effectively the big plane porous aeration type discharging gap valve block of discharge (2) is by the stainless steel material manufacturing, and net sectional area is 816 square millimeters, and thickness is 1.8 millimeters.The thickness of hollow clearance for insulation packing ring (3) is 3 millimeters.The thickness that the aeration type insulation hides garden, arc location dish (5) is 2.5 millimeters.Central hole ventilation type metal zinc oxide (6) is a zinc oxide, and thickness is 15 millimeters.
Its structure member is substantially the same manner as Example 1.
To the explosion-proof lighting-prtection insulator of electric overhead ground wire discharge voltage is that 3KV, stretching resistance are 70KN, and simulation thunderbolt 4/10us heavy current impact is done by institute, and maximum current is 98.42KA, and residual voltage is 19.25KV altogether, does not have puncture, no flashover, does not have blast, no explosion, and test product is intact.Through dissecting check measurement, its burn is slight, can bear 21 its discharge voltage errors of 98.42KA rush of current can maintain ± 5% scope in, can keep its error when impacting 83 times to maintain ± 10% scope in.
Embodiment 3:
Present embodiment is that the first discharge voltage of every independent act is the anti-explosion arrester of 1KV.
Effectively the big plane porous aeration type discharging gap valve block of discharge (2) is by the stainless steel material manufacturing, and net sectional area is 325 square millimeters, and thickness is 0.6 millimeter.The thickness of hollow clearance for insulation packing ring (3) is 0.9 millimeter.The thickness that the aeration type insulation hides garden, arc location dish is 1.2 millimeters.The central hole ventilation type metal zinc oxide is a zinc oxide, and thickness is 12 millimeters.
The main part of present embodiment is that a unit is formed.Its structure member is substantially the same manner as Example 1.
To electric power lightning conducter discharge voltage is that 1KV, stretching resistance are the 70KN level, and simulation thunderbolt 4/10us heavy current impact is done by institute, and maximum current is 43.42KA, and residual voltage is 8.25KV altogether, does not have puncture, no flashover, does not have blast, no explosion, and test product is intact.Through dissecting check measurement, its burn is slight, can bear 15 its discharge voltage errors of 43.42KA rush of current can maintain ± 5% scope in, can keep its error when impacting 53 times to maintain ± 10% scope in.
Claims (10)
1. the manufacture method of a serially combined voltage-equalizing anti-explosion arrester is characterized in that: be made up of serially combined voltage-equalizing anti-explosion arrester main part and fixing seal housing parts two parts; Its main part is by at least one group of effective big plane of the effective discharge porous aeration type discharging gap valve group that constitute of discharge big plane porous aeration type discharging gap valve block (2) clamping hollow insulating washer (3), be connected in series mosaic bonding at least one group of periphery waist aeration type insulation center that hides garden, arc location dish (5) air vent hole and sticking hollow aeration type metal zinc oxide (6) assembly that studs with insulated tube are arranged; The fixing seal housing parts be by base (17), loam cake more in addition fastening insulating material adhering and sealing formed; Effectively the big plane porous aeration type discharging gap valve block of discharge (2) is by the stainless steel material manufacturing.
2. the manufacture method of serially combined voltage-equalizing anti-explosion arrester according to claim 1, it is characterized in that: when serially combined voltage-equalizing anti-explosion arrester is made of a plurality of separate units, combination between each separate unit is to be finished by the fastening garden dish of binodal combined serial (23), the center of the fastening garden dish of its binodal combined serial (23) is provided with the mesopore airway, and the hole airway is provided with by netted packing ring (19) therein, axis makes up fastening pin rod (18), cone seal plug (20), spring (21), the releasing pressure automatically seal valve group device that protecting cover (22) combines.
3. the manufacture method of serially combined voltage-equalizing anti-explosion arrester according to claim 1 and 2, it is characterized in that: the big plane porous aeration type discharging gap valve block that effectively discharges is with stainless sheet steel and is provided with a plurality of air vent hole punch formings, its effective cross-section is that 2KV is 60 square millimeters-600 square millimeters when following at every separate unit discharge voltage, at each separate unit discharge voltage is 2KV when above, is 300 square millimeters-1800 square millimeters.
4. the manufacture method of serially combined voltage-equalizing anti-explosion arrester according to claim 3, it is characterized in that: the selected stainless thickness of big plane porous aeration type discharging gap valve block effectively discharges, at each separate unit discharge voltage is that 2KV chooses at 0.2 millimeter-1.3 millimeters when following, at each separate unit discharge voltage is 2KV when above, chooses at 0.5 millimeter-3.6 millimeters.
5. the manufacture method of serially combined voltage-equalizing anti-explosion arrester according to claim 1 and 2, it is characterized in that: the thickness of the hollow clearance for insulation packing ring of clamping in its big plane porous aeration type discharging gap valve group of effectively discharging, at each separate unit discharge voltage is that 2KV is when following, choose by 0.1 millimeter-1.9 millimeters thickness from bottom to top, at each separate unit discharge voltage is 2KV when above, chooses by 0.3 millimeter-4.8 millimeters thickness from bottom to top.
6. the manufacture method of serially combined voltage-equalizing anti-explosion arrester according to claim 1 and 2, it is characterized in that: its central hole ventilation type metal zinc oxide assembly be by the central hole ventilation type zinc oxide resistance sheet and in its peripheral waist mosaic bonding have the aeration type insulation of air vent hole to hide garden, arc location dish, the thickness that its insulation hides garden, arc location dish is that 2KV is when following at each separate unit discharge voltage, choose at 0.1 millimeter-2 millimeters thickness, at each separate unit discharge voltage is that 2KV is when above, choose at 0.5 millimeter-5 millimeters, and in the center roof vent of its zinc oxide resistance sheet with the bonding high strength insulated tube of having inlayed of high strength insulating adhesive.
7. the manufacture method of serially combined voltage-equalizing anti-explosion arrester according to claim 1 and 2, it is characterized in that: the thickness of its metal zinc oxide, at each separate unit discharge voltage is that 2KV is when following, choose by 1 millimeter-20 millimeters, at each separate unit discharge voltage is 2KV when above, chooses by 10 millimeters-60 millimeters.
8. the manufacture method of serially combined voltage-equalizing anti-explosion arrester according to claim 1 and 2, it is characterized in that: it presses solidly spring is that device is in having the location aeration type spring assembly dish of air vent hole.
9. the manufacture method of unit combination series average-voltage anti-explosion arrester according to claim 1 and 2, it is characterized in that: its base is provided with the mesopore airway, and upper port is provided with by axis and makes up the sealing automatic decompression valve that fastening pin rod (8), hemisphere piston valve body (9), spring (10), hemisphere packed-piston (11), protecting cover (12) are formed on the mesopore airway; Be provided with by spring (13), cone seal plug (14), protecting cover (15), axis in the lower port of mesopore airway and make up the sealing relief valve that fastening pin rod (16) is formed.
10. the manufacture method of unit combination series average-voltage anti-explosion arrester according to claim 1 and 2 is characterized in that: packing ring (7) and pad (4) are provided with the aeration type pad of a plurality of air vent holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02135313 CN1294599C (en) | 2002-07-26 | 2002-07-26 | Method for producing serially combined voltage-equalizing anti-explosion arrester |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02135313 CN1294599C (en) | 2002-07-26 | 2002-07-26 | Method for producing serially combined voltage-equalizing anti-explosion arrester |
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| Publication Number | Publication Date |
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| CN1409330A true CN1409330A (en) | 2003-04-09 |
| CN1294599C CN1294599C (en) | 2007-01-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 02135313 Expired - Fee Related CN1294599C (en) | 2002-07-26 | 2002-07-26 | Method for producing serially combined voltage-equalizing anti-explosion arrester |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106847449A (en) * | 2017-02-20 | 2017-06-13 | 辰硕电子(九江)有限公司 | A kind of high pressure varistor of long-life high reliability |
-
2002
- 2002-07-26 CN CN 02135313 patent/CN1294599C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106847449A (en) * | 2017-02-20 | 2017-06-13 | 辰硕电子(九江)有限公司 | A kind of high pressure varistor of long-life high reliability |
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| CN1294599C (en) | 2007-01-10 |
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Owner name: YANTAI LUOHUA ELECTRICAL APPLIANCES SWITCH EQUIPME Free format text: FORMER OWNER: TANG SHENGYAN Effective date: 20091204 |
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Effective date of registration: 20091204 Address after: No. 799 Xincheng street, Muping District, Shandong, Yantai Patentee after: Yantai Luohua Electric Power Technology Co., Ltd. Address before: No. 40, Longdong Road, Shandong, Ji'nan Province, Shandong Institute of political science and law cadre office, Tang Hong Patentee before: Tang Shengyan |
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Granted publication date: 20070110 Termination date: 20130726 |