CN109301694B - Method for manufacturing discharge tubes with multiple discharge cavities connected in parallel - Google Patents
Method for manufacturing discharge tubes with multiple discharge cavities connected in parallel Download PDFInfo
- Publication number
- CN109301694B CN109301694B CN201811222399.2A CN201811222399A CN109301694B CN 109301694 B CN109301694 B CN 109301694B CN 201811222399 A CN201811222399 A CN 201811222399A CN 109301694 B CN109301694 B CN 109301694B
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- discharge
- insulator
- flat plate
- discharge electrodes
- particles
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Classifications
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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
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/02—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances
- H01B3/12—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances ceramics
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
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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
- H01T1/00—Details of spark gaps
- H01T1/02—Means for extinguishing arc
-
- 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
- H01T21/00—Apparatus or processes specially adapted for the manufacture or maintenance of spark gaps or sparking plugs
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention provides a method for manufacturing a discharge tube with multiple parallel discharge cavities, which comprises an insulator, wherein discharge electrodes are respectively arranged at two ends of the insulator, a plurality of discharge cavities are arranged on the insulator, and the discharge cavities penetrate through the insulator and are connected with the discharge electrodes at the two ends; the manufacturing method comprises the following steps: s1, preparing an insulator material: taking ceramic powder, plastic particles and a flame retardant; s2, processing of the insulator material: weighing, stirring, grinding and homogenizing the components; s3, insulator molding: extruding the processed insulator material into a flat plate by adopting a forming jig; s4, forming a discharge cavity: punching a multi-hole structure on a flat plate by using a punching machine to generate a discharge cavity; s5, discharge electrode bonding: placing the discharge electrodes at two ends of the flat plate, clamping the discharge electrodes by using a clamp, and then placing the discharge electrodes in an oven to bond the discharge electrodes with the flat plate; the parallel connection of the multiple discharge cavities has the advantages of simple structure, easiness in realization, long service life and good safety.
Description
Technical Field
The invention belongs to the technical field of discharge tubes, and particularly relates to a method for manufacturing a discharge tube with multiple parallel discharge cavities.
Background
Gas discharge tube is when carrying out thunderbolt or overvoltage protection, bear thunderbolt or overvoltage back gas discharge tube and present the state of low resistance, when having operating current in the equipment that gas discharge tube protected, operating current can pour into gas discharge tube for gas discharge produces the follow current that lasts, when many times or long time act on, can lead to air gap contaminated and short circuit or melt or short circuit, lose original function, cause the electric line trouble, lead to burning out even, arouse accidents such as conflagration.
Therefore, a method for manufacturing a multi-discharge-cavity parallel discharge tube with simple structure, easy realization, long service life and good safety is needed.
Disclosure of Invention
The invention aims to provide a method for manufacturing a discharge tube with multiple discharge cavities connected in parallel, which aims to solve the problems that air gaps are easy to damage and potential safety hazards are caused in the working process of the existing gas discharge tube.
The invention provides the following technical scheme:
a manufacturing method of a discharge tube with multiple discharge cavities connected in parallel comprises an insulator, wherein discharge electrodes are arranged at two ends of the insulator respectively, a plurality of discharge cavities are arranged on the insulator, the discharge cavities penetrate through the insulator and are connected with the discharge electrodes at two ends, and the manufacturing method comprises the following steps:
s1, preparing an insulator material: taking ceramic powder, plastic particles and a flame retardant;
s2, processing of the insulator material: the components account for 10 to 70 percent of ceramic powder, 20 to 60 percent of plastic particles and 2 to 10 percent of flame retardant by the total mass percentage, and are weighed, stirred, ground and homogenized;
s3, insulator molding: extruding the processed insulator material into a flat plate by adopting a forming jig;
s4, forming a discharge cavity: punching a multi-hole structure on a flat plate by using a punching machine to generate a discharge cavity;
s5, discharge electrode bonding: placing the discharge electrodes at two ends of the flat plate, clamping the discharge electrodes by using a clamp, and then placing the discharge electrodes in an oven to bond the discharge electrodes with the flat plate;
preferably, the ceramic powder is kaolin, mica powder, alumina ceramic, magnesia ceramic, silica ceramic or calcium carbonate ceramic.
Preferably, the plastic particles are PVC particles, PE particles, PC particles or PEG particles.
Preferably, the flame retardant is melamine polyphosphate, melamine cyanurate or PBT/PET flame retardant.
Preferably, the discharge electrode is made of a metal material including steel, iron, copper, and an alloy.
Preferably, the discharge chambers are equal in size.
The invention has the beneficial effects that:
the invention relates to a discharge tube with multiple parallel discharge cavities, which comprises an insulator, wherein discharge electrodes are respectively arranged at two ends of the insulator, a plurality of discharge cavities are arranged on the insulator, when voltages are applied to an upper discharge electrode and a lower discharge electrode, free electrons of each discharge cavity start to directionally move under the action of an electric field, when the number of electrons in a certain discharge cavity reaches the number of formed electrons, the discharge phenomenon occurs in the electrode cavity, the voltage between the upper discharge electrode and the lower discharge electrode is reduced, and the directional movement of the electrons in other discharge cavities is weakened, so that the discharge phenomenon cannot occur; the insulator is made of plastic particles and flame retardant, the plastic particles and the flame retardant are melted and filled in the discharge cavity, the breakdown voltage in the discharge cavity is increased, the discharge is terminated, and the discharge arc is extinguished, so that the effect of safety protection is achieved; the other discharge chambers have no discharge behavior and are not influenced by the discharge chambers to keep the original state and still be in a working state, so that the effect of long service life is achieved; the discharge tube is composed of three parts and has simple structure; the manufacturing method is simple and easy to realize, and is beneficial to production and use.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a flow chart of a method of manufacturing the present invention.
Labeled as: 1. insulator, 2 discharge chamber, 3 discharge electrode.
Detailed Description
As shown in figure 1, the multi-discharge-cavity parallel discharge tube comprises an insulator 1, discharge electrodes 2 are respectively arranged at two ends of the insulator 1, a plurality of discharge cavities 2 are arranged on the insulator 1, and the discharge cavities 2 penetrate through the insulator and are connected with discharge electrodes 3 at two ends.
As shown in fig. 2, a method for manufacturing a multi-discharge-chamber parallel discharge tube includes the following steps:
s1, preparing insulator 1 material: taking ceramic powder, plastic particles and a flame retardant;
s2, insulator 1 material treatment: the components account for 10 to 70 percent of ceramic powder, 20 to 60 percent of plastic particles and 2 to 10 percent of flame retardant by the total mass percentage, and are weighed, stirred, ground and homogenized;
s3, molding of the insulator 1: extruding the processed insulator material into a flat plate by adopting a forming jig;
s4, forming the discharge cavity 2: punching a multi-hole structure on a flat plate by using a punching machine to generate a discharge cavity;
s5, bonding of discharge electrodes 3: placing the discharge electrodes at two ends of the flat plate, clamping the discharge electrodes by using a clamp, and then placing the discharge electrodes in an oven to bond the discharge electrodes with the flat plate;
specifically, the ceramic powder is kaolin, mica powder, alumina ceramic, magnesia ceramic, silica ceramic or calcium carbonate ceramic, the plastic particles are PVC particles, PE particles, PC particles or PEG particles, the flame retardant is melamine polyphosphate, melamine cyanurate or PBT/PET flame retardant, the discharge electrode 3 is made of metal materials, the metal materials comprise steel, iron, copper and alloy, and the discharge cavity 2 is equal in size.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The manufacturing method of the discharge tube with the multiple discharge cavities connected in parallel comprises an insulator, wherein discharge electrodes are arranged at two ends of the insulator respectively, a plurality of discharge cavities are arranged on the insulator, the discharge cavities penetrate through the insulator and are connected with the discharge electrodes at two ends, and the manufacturing method is characterized by comprising the following steps:
s1, preparing an insulator material: taking ceramic powder, plastic particles and a flame retardant;
s2, processing of the insulator material: the components account for 10 to 70 percent of ceramic powder, 20 to 60 percent of plastic particles and 2 to 10 percent of flame retardant by the total mass percentage, and are weighed, stirred, ground and homogenized;
s3, insulator molding: extruding the processed insulator material into a flat plate by adopting a forming jig;
s4, forming a discharge cavity: punching a multi-hole structure on a flat plate by using a punching machine to generate a discharge cavity;
s5, discharge electrode bonding: the discharge electrodes are placed at both ends of the flat plate and clamped by a clamp, and then the flat plate is put into an oven to be bonded with the discharge electrodes.
2. The method of claim 1, wherein the ceramic powder is kaolin, mica powder, alumina ceramic, magnesia ceramic, silica ceramic or calcium carbonate ceramic.
3. The method of claim 1, wherein the plastic particles are PVC particles, PE particles, PC particles or PEG particles.
4. The method of claim 1, wherein the flame retardant is melamine polyphosphate, melamine cyanurate, or PBT/PET flame retardant.
5. The method of claim 1 wherein the discharge electrodes are made of a metallic material including steel, iron, copper and alloys.
6. The method of claim 1 wherein the discharge chambers are of equal size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811222399.2A CN109301694B (en) | 2018-10-19 | 2018-10-19 | Method for manufacturing discharge tubes with multiple discharge cavities connected in parallel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811222399.2A CN109301694B (en) | 2018-10-19 | 2018-10-19 | Method for manufacturing discharge tubes with multiple discharge cavities connected in parallel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109301694A CN109301694A (en) | 2019-02-01 |
| CN109301694B true CN109301694B (en) | 2019-12-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811222399.2A Active CN109301694B (en) | 2018-10-19 | 2018-10-19 | Method for manufacturing discharge tubes with multiple discharge cavities connected in parallel |
Country Status (1)
| Country | Link |
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| CN (1) | CN109301694B (en) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202210506U (en) * | 2011-08-23 | 2012-05-02 | 百圳君耀电子（深圳）有限公司 | Discharge tube |
| CN205177764U (en) * | 2015-12-04 | 2016-04-20 | 深圳市槟城电子有限公司 | Gas discharge tube |
| CN207398060U (en) * | 2017-09-25 | 2018-05-22 | 东莞市阿甘半导体有限公司 | Gas-discharge tube |
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2018
- 2018-10-19 CN CN201811222399.2A patent/CN109301694B/en active Active
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| Publication number | Publication date |
|---|---|
| CN109301694A (en) | 2019-02-01 |
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