CN107275926B - A clearance structure that is used for surge protection to have multilayer big aperture insulator ring - Google Patents
A clearance structure that is used for surge protection to have multilayer big aperture insulator ring Download PDFInfo
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- CN107275926B CN107275926B CN201710318921.6A CN201710318921A CN107275926B CN 107275926 B CN107275926 B CN 107275926B CN 201710318921 A CN201710318921 A CN 201710318921A CN 107275926 B CN107275926 B CN 107275926B
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- discharge
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
- H01T4/00—Overvoltage arresters using spark gaps
- H01T4/10—Overvoltage arresters using spark gaps having a single gap or a plurality of gaps in parallel
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
- H01T4/00—Overvoltage arresters using spark gaps
- H01T4/02—Details
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
- H01T4/00—Overvoltage arresters using spark gaps
- H01T4/16—Overvoltage arresters using spark gaps having a plurality of gaps arranged in series
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Abstract
The invention provides a gap structure with a plurality of layers of large and small hole insulating rings for surge protection, which comprises one or more components of a discharge anode, an insulating ring group, a discharge cathode, an insulating plate and a screw, the insulating ring plate group comprises a first insulating ring plate and a second insulating ring plate, through holes with different apertures are arranged on the first insulating ring plate and the second insulating ring plate, the discharge anode and the insulating plate are provided with screw holes and fixed together through the screws, the invention provides a gap structure with multiple layers of large and small hole insulating rings for surge protection, realizes the technical promotion of miniaturization, flattening and high reliability, and has the characteristics of low cost, convenient processing, simple process, suitability for mechanical and chemical engineering and the like, and great economic use value.
Description
Technical Field
The invention relates to the technical field of switch type surge protection design, in particular to a gap structure with multiple layers of large and small hole insulating rings for surge protection.
Background
The conventional air gap structure has special nonlinear current-voltage switching characteristics, once abnormal conditions occur, such as lightning stroke, electromagnetic field interference, frequent action of a power switch, power system faults and the like, so that voltage on a circuit is suddenly increased and exceeds the breakdown voltage of the air gap, the circuit enters a conducting area, overvoltage forms surge current and flows out, and connected electronic products or expensive components are protected.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the gap protection structure with the multiple layers of large and small hole insulation rings, which has high assembly efficiency and long service life and is used for the surge protector.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
the invention provides a gap structure with multiple layers of large and small hole insulating rings for surge protection, which is characterized in that: including the positive pole that discharges, insulating ring piece group, discharge negative pole, insulation board that from top to bottom stacks gradually, the positive pole that discharges and the negative pole that discharges are made by electrically conductive material, insulating ring piece group includes first insulating ring piece and second insulating ring piece, be provided with the different through-hole in aperture on first insulating ring piece and the second insulating ring piece, the insulation board is used for fixing insulating ring piece group, discharge negative pole and the positive pole that discharges, discharge the positive pole with be provided with the screw on the insulation board, discharge the positive pole with the insulation board passes through the fix with screw and is in the same place, and right insulating ring piece group, discharge the negative pole are fixed.
Furthermore, extraction electrodes are arranged on the discharge anode and the discharge cathode, and the extraction directions of the extraction electrodes of the discharge anode and the discharge cathode are radial or axial extraction.
Further, still including the box body, the box body comprises upper cover and lower cover, the installation in the box body discharge positive pole, insulating ring piece group with discharge negative pole, the lower cover one side is the plane, and the another side is provided with circular or rectangle concave surface, is used for placing discharge positive pole, insulating ring piece group with discharge negative pole, the upper cover with also be provided with the screw on the lower cover, settle in the screw, the upper cover with the lower cover passes through the screw with the fix with screw is in the same place, insulating ring piece group includes 1 at least first insulating ring piece and 1 second insulating ring piece, insulating ring piece group installs discharge positive pole with discharge between the negative pole.
Furthermore, the upper cover is provided with a first electrode leading-out hole for leading out the discharge anode leading-out electrode in the radial direction, the lower cover is provided with a leading-out hole for leading out the leading-out electrode of the discharge cathode in the axial direction, and the leading-out hole is rectangular or circular.
The discharge anode and the discharge cathode are arranged between the discharge anode and the discharge cathode and fixed on the insulating plate, and the insulating plate and the discharge anode are fixed together through screw holes and screws.
Furthermore, the discharge anode and the discharge cathode are flat, plano-convex, round-convex and ring-convex, and are made of conductive materials with the thickness of 0.1-4 mm,
the main bodies of the discharge anode and the discharge cathode in the flat plate shape are in a circular or rectangular sheet shape,
the plane convex is a plane protruding from the center of the sheet,
the round convex is a sheet-shaped convex semi-circular convex body protruding from the center,
the ring convex is a sheet-shaped convex semicircular bulge body protruding from the center, a convex circular ring is arranged from the center of the semicircular bulge body to the edge 1/2 of the semicircular bulge body, and the height of the circular ring is not higher than that of the semicircular bulge body.
Further, the discharge anode material is one or a combination of more of copper, copper alloy, iron-nickel alloy, aluminum-nickel alloy, graphite alloy, carbon or carbon alloy.
Further, the thickness of the insulating ring plate set is 0.1-3 mm, the aperture of each of the first insulating ring plate and the second insulating ring plate is 3-30 mm and 5-40 mm, and the insulating ring plate set is made of one or a combination of mica, epoxy plates, red paper plates, aluminum oxide, ceramic sheets, glass and silicon oxide sheets.
Further, the insulating plate is round or rectangular, and the material of the insulating plate is one or a combination of more of epoxy plate, mica, plastic, polytetrafluoroethylene, red paper board, alumina and ceramic sheet.
Furthermore, the number of the insulating plates provided with the screw holes is 2, the discharge anode, the insulating ring group and the discharge cathode are arranged among the 2 insulating plates, and the 2 insulating plates are fixed by screws.
The invention has the beneficial effects that:
the invention relates to a large-small hole insulating ring, which is arranged in a staggered mode, and avoids positive discharge of a discharge anode to a discharge cathode or positive and negative short circuit of an anode and a cathode in the negative discharge process of the discharge cathode to the discharge anode due to carbonization of the aperture edge of an insulating ring sheet formed by electrocautery and granulation, wherein the electrocautery only causes the ignition and carbonization of the inner diameter edge of the small hole insulating ring sheet due to different apertures of multiple insulating ring sheets, and the large hole insulating ring sheet is isolated, so that accidents are avoided, and the reliability is improved.
Drawings
FIG. 1 is an exploded view of a single chip assembly structure for surge protection of a gap structure with multiple layers of large and small hole insulating rings in example 1;
FIG. 2 is an equivalent circuit diagram of a gap structure for surge protection with a multi-layer large and small hole insulating ring in embodiment 1;
FIG. 3a is a structural view of a discharge anode of a flat plate-shaped circular body for surge protection with a gap structure of a multi-layer large and small hole insulating ring according to the embodiment;
FIG. 3b is a structural diagram of a discharge anode of a flat plate-shaped rectangular main body for surge protection with a gap structure of multiple layers of large and small hole insulating rings according to the present embodiment;
FIG. 4a is a structural view of a discharge anode of a plano-convex circular body for surge protection with a gap structure of multi-layer large and small hole insulating rings according to the present embodiment;
FIG. 4b is a structural view of a discharge anode of a plano-convex rectangular body for surge protection with a gap structure of multi-layer large and small hole insulating rings according to the present embodiment;
FIG. 5a is a structural view of a discharge anode of a round convex body for surge protection with a gap structure of a multi-layer large-small hole insulation ring according to the embodiment;
FIG. 5b is a structural diagram of a discharge anode of a convex rectangular main body for surge protection with a gap structure of a multi-layer large-small hole insulation ring according to the embodiment;
FIG. 6a is a structural diagram of a discharge anode of a ring convex circular body for surge protection of a gap structure with multiple layers of large and small hole insulating rings according to the present embodiment;
FIG. 6b is a structural diagram of a discharge anode of a ring convex rectangular body for surge protection with a gap structure of multi-layer large and small hole insulating rings according to the present embodiment;
FIG. 7 is an exploded view of a structure for surge protection of a gap structure having a plurality of layers of large and small hole insulating rings according to embodiment 2;
FIG. 8 is an equivalent circuit diagram of a gap structure for surge protection with a multilayer large and small hole insulating ring in embodiment 2;
FIG. 9 is an exploded view of a multi-gap series protection architecture with multiple layers of large and small hole insulator rings for surge protection in example 3;
fig. 10 is an equivalent circuit diagram of a gap structure for surge protection having a multilayer large and small hole insulating ring in embodiment 3.
Detailed Description
The embodiments of the present invention will be described in detail with reference to the accompanying drawings, which are for reference and illustrative purposes only and are not intended to limit the scope of the invention.
Example 1
As shown in fig. 1 to 6, the present invention provides a gap structure with multiple layers of large and small hole insulating rings for surge protection, which is characterized in that: including the positive pole 1 that discharges, insulating ring piece group 2, the negative pole 3 that discharges, insulation board 4 that from top to bottom stacks gradually, the positive pole 1 that discharges is made by conductive material with the negative pole 3 that discharges, insulating ring piece group 2 includes first insulating ring piece 21 and second insulating ring piece 22, be provided with the different through-hole 23 in aperture on first insulating ring piece 21 and the second insulating ring piece 22, insulation board 4 is used for fixing insulating ring piece group 2, discharge negative pole 3 with discharge positive pole 1, discharge positive pole 1 with be provided with screw 6 on the insulation board 4, discharge positive pole 1 with insulation board 4 is together fixed through screw 5, and right insulating ring piece group 2, discharge negative pole 3 are fixed, and in this embodiment, insulation board 4 that is provided with the screw is 1.
In this embodiment, the discharge anode 1 and the discharge cathode 3 are provided with extraction electrodes, the discharge anode 1 is provided with a discharge anode extraction electrode 11, and the discharge cathode 3 is provided with a discharge cathode extraction electrode 31.
In this embodiment, the discharge anode 1 and the discharge cathode 3 have a flat plate shape 100, a flat convex shape 200, a circular convex shape 300 and a circular convex shape 400, and are made of a conductive material with a thickness of 0.1-4 mm;
as shown in fig. 3, the flat plate-shaped discharge anode 100 has a circular or rectangular plate shape;
as shown in fig. 4, a plane 201 is protruded from the plano-convex discharge anode 200;
as shown in fig. 5, a semicircular convex body 301 is protruded on the round convex discharge anode 300;
as shown in fig. 6, a semicircular convex body 401 protrudes from the annular convex discharge anode 400, and a convex circular ring 402 is arranged from the center of the semicircular convex body to the edge 1/2 of the semicircular convex body, and the height of the circular ring is not higher than that of the semicircular convex body.
In this embodiment, the leading-out direction of the leading-out electrode of the discharge anode 1 is radial leading-out, and the leading-out direction of the leading-out electrode of the discharge cathode 3 is radial leading-out.
In this embodiment, the discharge anode 1 is made of one or more of copper, copper alloy, iron-nickel alloy, aluminum-nickel alloy, graphite alloy, carbon, and carbon alloy.
In this embodiment, the thickness of the insulating ring piece set 2 is 0.1-3 mm, the aperture of each of the first insulating ring piece 2 and the second insulating ring piece 2 is 3-30 mm and 5-40 mm, and the insulating ring piece set 2 is made of one or a combination of mica, epoxy board, red paper board, alumina, ceramic sheet, glass and silicon oxide sheet.
In this embodiment, the insulating plate 4 is circular or rectangular, and the material of the insulating plate 4 is one or a combination of epoxy board, mica, plastic board, polytetrafluoroethylene, red paper board, alumina, and ceramic sheet.
Example 2
As shown in fig. 7 and 8, in this embodiment, a box 7 is further included, the box is composed of an upper cover 71 and a lower cover 72, the discharging anode 1, the insulating ring group 2 and the discharging cathode 3 are arranged in the box body 7, one surface of the lower cover 72 is a plane, the other surface is provided with a round or rectangular concave surface 721, used for placing the discharge anode 1, the insulation ring plate group 2 and the discharge cathode 3, screw holes 6 are arranged on the upper cover 71 and the lower cover 72, a screw 5 is arranged in the screw hole 6, the upper cover 71 and the lower cover 72 are fixed together through the screw hole 6 and the screw 5, the insulating ring piece group 2 comprises 2 first insulating ring pieces 21 and 1 second insulating ring piece 22, the 2 first insulating ring pieces 21 are arranged on two sides of the 1 second insulating ring piece 22, and the insulating ring piece group 2 is arranged between the discharge anode 1 and the discharge cathode 3.
In this embodiment, the upper cover 71 is provided with a first electrode lead-out hole 711 for radially leading out the discharge anode 1 lead-out electrode, the lower cover 72 is provided with a second electrode lead-out hole 722 for axially leading out the discharge cathode lead-out electrode, and the second electrode lead-out hole 722 is rectangular.
Example 3
As shown in fig. 9 and 10, in this embodiment, the discharge adaptor board 8 is further included, a group of insulating ring sets 9 is respectively disposed on two sides of the discharge adaptor board 8, each insulating ring set 9 includes 2 first insulating ring pieces 21 and 1 second insulating ring piece 22 installed between the 2 first insulating ring pieces 21, the discharge adaptor board 8 and the insulating ring set 2 are disposed between the discharge anode 1 and the discharge cathode 3 and fixed on the insulating board 4, and the insulating board 4 and the discharge anode 1 are fixed together through a screw hole 6 and a screw 5.
The invention provides a gap structure with multiple layers of large and small hole insulating rings for surge protection, which realizes the technical improvement of miniaturization, flattening and high reliability, has the characteristics of low cost, convenient processing, simple process, suitability for mechanical and chemical engineering and the like, and has great economic use value.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention.
Claims (14)
1. A clearance structure for surge protection with multilayer big aperture insulating ring which characterized in that: including the positive pole that discharges, insulating ring piece group, discharge negative pole, insulation board that from top to bottom stacks gradually, the positive pole that discharges and the negative pole that discharges are made by electrically conductive material, insulating ring piece group includes first insulating ring piece and second insulating ring piece, be provided with the different through-hole in aperture on first insulating ring piece and the second insulating ring piece, the insulation board is used for fixing insulating ring piece group, discharge negative pole and the positive pole that discharges, discharge the positive pole with be provided with the screw on the insulation board, discharge the positive pole with the insulation board passes through the fix with screw and is in the same place, and right insulating ring piece group, discharge the negative pole are fixed.
2. The gap structure with multiple layers of large and small hole insulating rings for surge protection as claimed in claim 1, wherein: and leading-out electrodes are arranged on the discharge anode and the discharge cathode, and the leading-out directions of the leading-out electrodes of the discharge anode and the discharge cathode are radial or axial leading-out.
3. A gap structure with multiple layers of large and small hole insulating rings for surge protection according to claim 1 or 2, wherein: the discharge adapter plate and the insulation ring piece set are arranged between the discharge anode and the discharge cathode and fixed on the insulation plate, and the insulation plate and the discharge anode are fixed together through screw holes and screws.
4. The gap structure with multiple layers of large and small hole insulating rings for surge protection as claimed in claim 1, wherein: the discharge anode and the discharge cathode are in one of a flat plate shape, a plano-convex shape, a circular convex shape and a circular convex shape, and are made of a conductive material with the thickness of 0.1-4 mm,
the main bodies of the flat discharge anode and the discharge cathode are in a circular or rectangular sheet shape,
the plane convex is a plane protruding from the center of the sheet,
the round convex is a sheet-shaped convex semi-circular convex body protruding from the center,
the ring convex is a sheet-shaped convex semicircular bulge body protruding from the center, the center of the semicircular bulge body reaches the position of the ring convex edge 1/2, a convex circular ring is arranged, and the height of the circular ring is not higher than that of the semicircular bulge body.
5. The gap structure with multiple layers of large and small hole insulating rings for surge protection as claimed in claim 1, wherein: the discharge anode is made of one or a combination of more of copper, copper alloy, iron-nickel alloy, aluminum-nickel alloy, carbon or carbon alloy.
6. The gap structure with multiple layers of large and small hole insulating rings for surge protection as claimed in claim 1, wherein: the thickness of the insulating ring piece set is 0.1-3 mm, the aperture of each of the first insulating ring piece and the second insulating ring piece is 3-30 mm and 5-40 mm, and the insulating ring piece set is made of one or a combination of mica, epoxy boards, red paper boards, aluminum oxide, ceramic sheets, glass and silicon oxide sheets.
7. The gap structure with multiple layers of large and small hole insulating rings for surge protection as claimed in claim 1, wherein: the insulating plate is round or rectangular, and the material of the insulating plate is one or a combination of more of epoxy boards, mica, plastics, red paper boards, aluminum oxide and ceramic sheets.
8. A clearance structure for surge protection with multilayer big aperture insulating ring which characterized in that: including the positive pole that discharges, insulating ring piece group, discharge negative pole, insulation board that from top to bottom stacks gradually, discharge positive pole and discharge negative pole are made by electrically conductive material, insulating ring piece group includes first insulating ring piece and second insulating ring piece, be provided with the different through-hole in aperture on first insulating ring piece and the second insulating ring piece, the insulation board is used for fixing insulating ring piece group, discharge negative pole and the positive pole that discharges, the insulation board that is equipped with the screw is 2, settles between 2 insulation boards discharge positive pole, insulating ring piece group and discharge negative pole, 2 with the fix with screw between the insulation board.
9. A clearance structure for surge protection with multilayer big aperture insulating ring which characterized in that: the discharge anode and the discharge cathode are made of conductive materials, the insulation ring group comprises a first insulation ring piece and a second insulation ring piece, and through holes with different apertures are formed in the first insulation ring piece and the second insulation ring piece;
still including box body and screw, the box body comprises upper cover and lower cover, install in the box body discharge positive pole, insulating ring piece group with discharge negative pole, the lower cover one side is the plane, and the another side is provided with circular or rectangle concave surface, is used for placing discharge positive pole, insulating ring piece group with discharge negative pole, the upper cover with cover down and be provided with the screw, settle the screw in the screw, the upper cover with the lower cover passes through the screw with the fix with screw is in the same place, insulating ring piece group includes 1 at least first insulating ring piece and 1 second insulating ring piece, insulating ring piece group installs discharge positive pole with discharge between the negative pole.
10. The gap structure with multiple layers of large and small hole insulating rings for surge protection as claimed in claim 9, wherein: and leading-out electrodes are arranged on the discharge anode and the discharge cathode, and the leading-out directions of the leading-out electrodes of the discharge anode and the discharge cathode are radial or axial leading-out.
11. The gap structure with multiple layers of large and small hole insulator rings for surge protection as claimed in claim 10, wherein: the upper cover is provided with a first electrode leading-out hole for leading out the discharge anode leading-out electrode in the radial direction, the lower cover is provided with a second electrode leading-out hole for leading out the leading-out electrode of the discharge cathode in the axial direction, and the second electrode leading-out hole is rectangular.
12. The gap structure with multiple layers of large and small hole insulating rings for surge protection as claimed in claim 9, wherein: the discharge anode and the discharge cathode are in one of a flat plate shape, a flat convex shape, a circular convex shape and a circular convex shape, and are made of a conductive material with the thickness of 0.1-4 mm,
the main bodies of the flat discharge anode and the discharge cathode are in a circular or rectangular sheet shape,
the plane convex is a plane protruding from the center of the sheet,
the round convex is a sheet-shaped convex semi-circular convex body protruding from the center,
the ring convex is a sheet-shaped convex semicircular bulge body protruding from the center, the center of the semicircular bulge body reaches the position of the ring convex edge 1/2, a convex circular ring is arranged, and the height of the circular ring is not higher than that of the semicircular bulge body.
13. The gap structure with multiple layers of large and small hole insulating rings for surge protection as claimed in claim 9, wherein: the discharge anode is made of one or a combination of more of copper, copper alloy, iron-nickel alloy, aluminum-nickel alloy, carbon or carbon alloy.
14. The gap structure with multiple layers of large and small hole insulating rings for surge protection as claimed in claim 9, wherein: the thickness of the insulating ring piece set is 0.1-3 mm, the aperture of each of the first insulating ring piece and the second insulating ring piece is 3-30 mm and 5-40 mm, and the insulating ring piece set is made of one or a combination of mica, epoxy boards, red paper boards, aluminum oxide, ceramic sheets, glass and silicon oxide sheets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710318921.6A CN107275926B (en) | 2017-05-08 | 2017-05-08 | A clearance structure that is used for surge protection to have multilayer big aperture insulator ring |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710318921.6A CN107275926B (en) | 2017-05-08 | 2017-05-08 | A clearance structure that is used for surge protection to have multilayer big aperture insulator ring |
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| Publication Number | Publication Date |
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| CN107275926A CN107275926A (en) | 2017-10-20 |
| CN107275926B true CN107275926B (en) | 2022-05-24 |
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| CN201710318921.6A Active CN107275926B (en) | 2017-05-08 | 2017-05-08 | A clearance structure that is used for surge protection to have multilayer big aperture insulator ring |
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| CN110867728A (en) * | 2019-11-27 | 2020-03-06 | 捷祥电子（吴江）有限公司 | Surge absorber |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103181041A (en) * | 2010-10-22 | 2013-06-26 | 德恩及索恩两合股份有限公司 | Spark gap with a plurality of series-connected single spark gaps in a stacked arrangement |
| CN105610049A (en) * | 2016-02-25 | 2016-05-25 | 深圳市槟城电子有限公司 | Gas discharge tube |
| CN106329316A (en) * | 2016-11-07 | 2017-01-11 | 深圳市瑞隆源电子有限公司 | Open circuit failure mode discharge tube |
| CN207338900U (en) * | 2017-05-08 | 2018-05-08 | 隆科电子(惠阳)有限公司 | A kind of interstitial structure for surge protection with the big aperture dead ring of multilayer |
-
2017
- 2017-05-08 CN CN201710318921.6A patent/CN107275926B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103181041A (en) * | 2010-10-22 | 2013-06-26 | 德恩及索恩两合股份有限公司 | Spark gap with a plurality of series-connected single spark gaps in a stacked arrangement |
| CN105610049A (en) * | 2016-02-25 | 2016-05-25 | 深圳市槟城电子有限公司 | Gas discharge tube |
| CN106329316A (en) * | 2016-11-07 | 2017-01-11 | 深圳市瑞隆源电子有限公司 | Open circuit failure mode discharge tube |
| CN207338900U (en) * | 2017-05-08 | 2018-05-08 | 隆科电子(惠阳)有限公司 | A kind of interstitial structure for surge protection with the big aperture dead ring of multilayer |
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| CN107275926A (en) | 2017-10-20 |
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