CN112735704B - Ultrahigh voltage-resistant insulating material and electric shock gun insulating wire using same - Google Patents
Ultrahigh voltage-resistant insulating material and electric shock gun insulating wire using same Download PDFInfo
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- CN112735704B CN112735704B CN202011463944.4A CN202011463944A CN112735704B CN 112735704 B CN112735704 B CN 112735704B CN 202011463944 A CN202011463944 A CN 202011463944A CN 112735704 B CN112735704 B CN 112735704B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/56—Insulating bodies
- H01B17/60—Composite insulating bodies
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B12/00—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material
- F42B12/72—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the material
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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Abstract
The invention relates to the technical field of insulated wires, in particular to an ultrahigh voltage-resistant insulating material and an electric shock gun insulated wire using the same. The ultrahigh voltage-resistant insulating material comprises the following raw materials in percentage by weight based on the total mass of the ultrahigh voltage-resistant insulating material: 60% -80% of polyester, 1% -3% of double nitrogen heterocyclic cross-linking agent and 17% -37% of thermoplastic elastomer. The raw material composition and content of the ultrahigh voltage-resistant insulating material are limited, so that the insulating material which is light in weight, high-voltage resistant, excellent in mechanical property and reliable in insulating property is obtained.
Description
Technical Field
The invention relates to the technical field of insulated wires, in particular to an ultrahigh voltage-resistant insulating material and an electric shock gun insulated wire using the same.
Background
In the field of police and defense instruments, gangsters and terrorists are often required to be dealt with, so that aggressive weapons are required, and in consideration of personal safety, the weapons used by the police are required to be as far as possible free from life threats to human bodies, so that the police non-fatal weapons are mainly shock guns at present.
The electric shock gun comprises an electric shock gun with an insulated wire and an electric shock gun for shooting a wireless range-extending electric shock bullet, wherein the electric shock gun with the insulated wire is simple and convenient to operate and is the first choice of a non-lethal weapon. However, the insulation wire of the current electric shock gun has the defects of insufficient withstand voltage and easy breakdown to cause electric shock failure.
Disclosure of Invention
The technical problem underlying the present invention is therefore to overcome the prior art. The electric shock gun insulated wire has the defects of insufficient voltage resistance and easy breakdown, thereby providing the ultrahigh voltage-resistant insulating material and the electric shock gun insulated wire using the same.
In order to solve the technical problems, the technical scheme provided by the invention is as follows:
an ultra-high voltage-resistant insulating material comprises the following raw materials in percentage by weight based on the total mass of the ultra-high voltage-resistant insulating material:
60% -80% of polyester, 1% -3% of double nitrogen heterocyclic cross-linking agent and 17% -37% of thermoplastic elastomer.
Optionally, the polyester comprises at least one of polyethylene terephthalate or polybutylene terephthalate.
Optionally, the thermoplastic elastomer includes at least one of TPE or TPEE.
An electric stun gun insulated wire comprising:
a core conductor;
the polyurethane paint film is coated on the wire core conductor; and the number of the first and second groups,
an insulating layer wrapped on the paint film, wherein the insulating layer is prepared from the ultrahigh voltage-resistant insulating material as claimed in any one of claims 1 to 3.
Optionally, the insulating layer includes a first insulating layer and a second insulating layer, and the first insulating layer and the second insulating layer are the same or different.
Optionally, the thickness of the paint film is 0.04-0.05mm.
Optionally, the core conductor is a beryllium copper alloy core.
Optionally, the density of the beryllium-copper alloy is 8.3g/cm 3 。
Optionally, the tensile strength of the core conductor is 1000 ± 100MPa.
Optionally, the core conductor is obtained by heating beryllium-copper alloy to 800 ℃ in vacuum or inert atmosphere or reducing atmosphere for solid solution strengthening and then tempering at 200 ℃ at low temperature.
The technical scheme of the invention has the following advantages:
1. the polyester of the ultrahigh voltage-resistant insulating material provided by the invention has very excellent insulating property, the double nitrogen heterocyclic cross-linking agent can be decomposed under the condition of heating or ultraviolet irradiation, and is cross-linked through the activation of double carbon-hydrogen bonds, so that the insulating property, the voltage resistance and the mechanical property can be greatly improved, the thermoplastic elastomer is used as a toughening agent, the flexibility of an insulated wire can be improved, the insulation layer of the wire is prevented from being brittle, the reliable insulating property is ensured, and the raw material composition and the content of the ultrahigh voltage-resistant insulating material are limited, so that the insulating material which is light in weight, can resist high voltage, has excellent mechanical property and is reliable in insulating property is obtained.
2. According to the electric shock gun insulated wire, the insulated paint film and the insulated layer are formed outside the wire core conductor, so that the insulation reliability can be fully guaranteed, wherein the insulated layer is made of the ultrahigh voltage-resistant insulated material with high voltage resistance and excellent mechanical property, so that the insulation strength of the electric shock gun insulated wire is improved, the voltage resistance reaches 25KV, and the electric shock failure risk caused by the breakdown of the insulated layer in the using process of the electric shock gun is reduced;
3. according to the insulated wire of the electric shock gun, the beryllium-copper alloy with excellent mechanical property and low density is selected as the material of the wire core conductor, so that the weight of the insulated wire can be reduced, the influence of the weight on the flying trajectory of a bullet is reduced, and the hitting efficiency of the electric shock gun is improved.
4. According to the electric shock gun insulated wire provided by the invention, beryllium copper is treated by solid solution strengthening and tempering processes, the tensile strength reaches 900-1100MPa, the electric shock gun insulated wire has good plasticity and processability and excellent elasticity, and the wire breakage rate of the electric shock gun insulated wire is further reduced, so that the success rate of electric shock is ensured.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic view of the structure of an insulated wire of a stun gun in an embodiment 1 of the present invention;
description of reference numerals:
1. a core conductor; 2. a polyurethane paint film; 3. a first insulating layer; 4. a second insulating layer.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Example 1
As shown in fig. 1, the present embodiment relates to an electrode gun insulated wire, which includes a wire core conductor 1, a polyurethane paint film 2 and an insulating layer, which are sequentially disposed from inside to outside.
The material of the core conductor is beryllium copper alloy, and the insulating layer comprises a first insulating layer 3 and a second insulating layer 4. The first insulating layer 3 and the second insulating layer 4 were formed by mixing 80kg of polybutylene terephthalate (PBT), 17kg of polyester rubber (TPEE) and 3kg of a double nitrogen heterocyclic cross-linking agent and extruding the mixture.
The electric shock gun insulated wire of the embodiment is prepared according to the following steps:
s1, heating a beryllium copper alloy wire with the thickness of 0.14mm to 800 ℃ in a vacuum furnace for solid solution strengthening, and then tempering at low temperature of 200 ℃ to obtain a high-strength high-elasticity wire core conductor with the tensile strength of 1000 MPa;
s2, coating polyurethane on the wire core conductor, and baking and drying to form a polyurethane paint film with the thickness of 0.05 mm;
s3, uniformly mixing 80kg of PBT, 17kg of TPEE and 3kg of double nitrogen heterocyclic cross-linking agent, and then uniformly placing the mixture in a first extruder, wherein the extrusion molding is carried out to coat the outside of the core conductor obtained in the S2 so as to form a first insulating layer with the thickness of 0.05 mm;
and S4, mixing 80kg of PBT, 17kg of TPEE and 3kg of double nitrogen heterocyclic cross-linking agent uniformly, placing the mixture in a second extruder, and extruding and coating the mixture outside the core conductor obtained in the S3 to form a second insulating layer with the thickness of 0.05mm to obtain the electric shock gun insulating wire A.
Example 2
The present embodiment relates to an insulated wire for an electrode gun, and is different from embodiment 1 in that, in the present embodiment, the first insulating layer and the second insulating layer are formed by extruding a mixture of 75kg of polyethylene terephthalate (PET), 24kg of elastomer (TPE) and 1kg of a double nitrogen heterocyclic cross-linking agent.
The electric shock gun insulated wire of the embodiment is prepared according to the following steps:
s1, heating a beryllium-copper alloy wire with the thickness of 0.14mm to 800 ℃ in inert gas for solid solution strengthening, and then tempering at low temperature of 200 ℃ to prepare a high-strength high-elasticity wire core conductor with the tensile strength of 900 MPa;
s2, coating polyurethane on the wire core conductor, and baking and drying to form a polyurethane paint film with the thickness of 0.04 mm;
s3, mixing 75kg of PET, 24kg of TPE and 1kg of double nitrogen heterocyclic cross-linking agent, uniformly placing the mixture in a first extruder, and extruding and coating the mixture outside the core conductor obtained in the S2 to form a first insulating layer with the thickness of 0.05 mm;
and S4, mixing 75kg of PET, 24kg of TPE and 1kg of double nitrogen heterocyclic cross-linking agent, uniformly placing the mixture in a second extruder, and extruding and coating the mixture outside the wire core conductor obtained in the S3 to form a second insulating layer with the thickness of 0.06mm to obtain the electric shock gun insulating wire B.
Example 3
The present embodiment relates to an electrode gun insulated wire, and is different from embodiment 1 in that, in the present embodiment, the first insulating layer and the second insulating layer are formed by extruding a mixture of 70kgPET, 28kgTPE and 2kg of a double nitrogen heterocyclic cross-linking agent.
The electric shock gun insulated wire of the embodiment is prepared according to the following steps:
s1, heating a beryllium-copper alloy wire with the thickness of 0.14mm to 800 ℃ in a reducing atmosphere for solid solution strengthening, and then tempering at a low temperature of 200 ℃ to prepare a high-strength high-elasticity wire core conductor with the tensile strength of 11 MPa;
s2, coating polyurethane on the wire core conductor, and baking and drying to form a polyurethane paint film with the thickness of 0.04 mm;
s3, mixing 70kg of PET, 28kg of TPEE and 2kg of double nitrogen heterocyclic cross-linking agent, uniformly placing the mixture in a first extruder, and extruding and coating the mixture outside the core conductor obtained in the S2 to form a first insulating layer with the thickness of 0.05 mm;
and S4, mixing 70kg of PET, 28kg of TPEE and 2kg of double nitrogen heterocyclic cross-linking agent, uniformly placing the mixture in a second extruder, and extruding and coating the mixture outside the wire core conductor obtained in the S3 to form a second insulating layer with the thickness of 0.06mm to obtain the electric shock gun insulating wire C.
Example 4
The present embodiment relates to an electrode gun insulated wire, and is different from embodiment 1 in that, in the present embodiment, the first insulating layer and the second insulating layer are formed by extruding a mixture of 65kgPET, 33kgTPE and 2kg of a double nitrogen heterocyclic cross-linking agent.
The electric shock gun insulated wire of the embodiment is prepared according to the following steps:
s1, heating a beryllium-copper alloy wire with the thickness of 0.14mm to 800 ℃ in a vacuum furnace for solid solution strengthening, and then tempering at low temperature of 200 ℃ to prepare a high-strength high-elasticity wire core conductor with the tensile strength of 1000 MPa;
s2, coating polyurethane on the wire core conductor, and baking and drying to form a polyurethane paint film with the thickness of 0.05 mm;
s3, mixing 65kg of PET, 33kg of TPE and 2kg of double nitrogen heterocyclic cross-linking agent, uniformly placing the mixture in a first extruder, and extruding and coating the mixture outside the core conductor obtained in the S2 to form a first insulating layer with the thickness of 0.04 mm;
and S4, mixing 65kg of PET, 33kg of TPE and 2kg of double nitrogen heterocyclic cross-linking agent, uniformly placing the mixture in a second extruder, and extruding and coating the mixture outside the wire core conductor obtained in the S3 to form a second insulating layer with the thickness of 0.06mm to obtain the electric shock gun insulating wire D.
Example 5
The present embodiment relates to an electrode gun insulated wire, and is different from embodiment 1 in that, in the present embodiment, the first insulating layer and the second insulating layer are formed by mixing 60kg of pet, 37kg of tpe and 3kg of a double nitrogen heterocyclic cross-linking agent and then extruding the mixture.
The electric shock gun insulated wire of the embodiment is prepared according to the following steps:
s1, heating a beryllium-copper alloy wire with the thickness of 0.14mm to 800 ℃ in a vacuum furnace for solid solution strengthening, and then tempering at low temperature of 200 ℃ to prepare a high-strength high-elasticity wire core conductor with the tensile strength of 1000 MPa;
s2, coating polyurethane on the wire core conductor, and baking and drying to form a polyurethane paint film with the thickness of 0.05 mm;
s3, uniformly mixing 60kg of PET, 37kg of TPE and 3kg of double nitrogen heterocyclic cross-linking agent, placing the mixture in a first extruder, and extruding and coating the mixture outside the core conductor obtained in the S2 to form a first insulating layer with the thickness of 0.05 mm;
and S4, uniformly mixing 60kg of PET, 37kg of TPE and 3kg of double nitrogen heterocyclic cross-linking agent, and uniformly placing the mixture in a second extruder, wherein the extrusion molding is coated outside the wire core conductor obtained in the S3 to form a second insulating layer with the thickness of 0.05mm, so as to obtain the electric shock gun insulating wire E.
Comparative example 1
The present comparative example relates to an electrode gun insulated wire, and is different from example 1 in that, in the present example, the first and second insulating layers are formed by extruding 70kgPET and 30kgTPE after mixing.
The electric shock gun insulated wire of the embodiment is prepared according to the following steps:
s1, preparing a conductor with the mechanical property reaching 260MPa by a 0.14mm bare copper wire through a continuous drawing and continuous annealing process;
s2, coating polyurethane on the wire core conductor, and baking and drying at 200 ℃ to form a polyurethane paint film with the thickness of 0.05 mm;
s3, mixing 70kg of PET and 30kg of TPE, uniformly placing the mixture in a first extruder, and extruding, molding and coating the mixture outside the core conductor obtained in the S2 to form a first insulating layer with the thickness of 0.05 mm;
and S4, mixing 70kg of PET and 30kg of TPE, uniformly placing the mixture in a second extruder, and coating the mixture outside the wire core conductor obtained in the step S3 by extrusion molding to form a second insulating layer with the thickness of 0.05mm to obtain the electric shock gun insulating wire F.
Effect testing
The performance of the stun gun insulated wires a-F provided in examples 1-5 and comparative example 1 were tested.
The test method comprises the following steps:
tensile strength: and testing the tensile strength of the insulated wires A-F by using a universal test tensile machine.
Insulation breakdown voltage: a1.5-meter insulating wire is wound on a copper bar with the length of 8mm to prepare a sample, and the insulation breakdown voltage of the insulating wire of the electric shock gun is tested by adopting a boosting method.
Single weight weighing: samples of 5m long insulated wire were weighed and the average basis weight per meter was calculated.
The test results are shown in Table 1.
TABLE 1 test results for stun gun insulated wires A-F
| Item | Sample line A | Sample line B | Sample line C | Sample line D | Sample line E | Comparative sample F |
| Tensile strength MPa | 1068 | 1003 | 1056 | 1034 | 989 | 230 |
| Breakdown voltage KV | 26.8 | 27.2 | 27.0 | 26.4 | 25.9 | 18.9 |
| G/m of unit weight per meter | 3.55 | 3.54 | 3.54 | 3.56 | 3.55 | 4.3 |
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (8)
1. The ultrahigh voltage-resistant insulating material is characterized by comprising the following raw materials in percentage by weight based on the total mass of the ultrahigh voltage-resistant insulating material:
60% -80% of polyester, 1% -3% of a double nitrogen heterocyclic cross-linking agent and 17% -37% of a thermoplastic elastomer, wherein the polyester comprises at least one of polyethylene terephthalate or polybutylene terephthalate, and the thermoplastic elastomer comprises at least one of TPE or TPEE.
2. An electric stun gun insulated wire, comprising:
a core conductor;
the polyurethane paint film is coated on the wire core conductor; and the number of the first and second groups,
an insulating layer wrapped on the paint film, wherein the insulating layer is prepared from the ultrahigh voltage-resistant insulating material in the claim 1.
3. The stun gun insulated wire of claim 2, wherein the insulation layer comprises a first insulation layer and a second insulation layer, the first insulation layer being the same or different than the second insulation layer.
4. The stun gun insulated wire of claim 2, wherein the paint film has a thickness of 0.04-0.05mm.
5. The electric shock gun insulated wire of claim 2, wherein the wire core conductor is a beryllium copper alloy wire core.
6. The electric shock gun insulated wire of claim 5, wherein the beryllium-copper alloy has a density of 8.3g/cm 3 。
7. The stun gun insulated wire of claim 5 or 6, wherein the tensile strength of the core conductor is 1000 ± 100MPa.
8. The electric shock gun insulated wire of claim 7, wherein the wire core conductor is obtained by heating beryllium copper alloy to 800 ℃ in vacuum or inert atmosphere or reducing atmosphere for solution strengthening and then tempering at 200 ℃ at low temperature.
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| CN113943476B (en) * | 2021-10-18 | 2023-08-25 | 河源市可顺绝缘材料有限公司 | Cold-skinned insulating material, cold-skinned insulating wire and preparation method of cold-skinned insulating wire |
| CN116913671A (en) * | 2023-07-26 | 2023-10-20 | 惠州市英达特电子技术有限公司 | Fluid magnetism integrated into one piece inductance |
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| CA3137379A1 (en) * | 2019-04-26 | 2020-10-29 | Xlynx Materials Inc. | Diazirine-based molecules and uses thereof |
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| EP0440118A3 (en) * | 1990-01-31 | 1992-02-26 | Fujikura Ltd. | Electric insulated wire and cable using the same |
| WO2009000326A1 (en) * | 2007-06-28 | 2008-12-31 | Prysmian S.P.A. | Energy cable |
| CN104347194A (en) * | 2014-11-06 | 2015-02-11 | 山东赛特电工股份有限公司 | Method for producing high-voltage resistant and super-thick-paint-film electromagnetic wire |
| JP2017188340A (en) * | 2016-04-06 | 2017-10-12 | 古河電気工業株式会社 | Insulated wire, coil and electric/electronic apparatus |
| CN107216620A (en) * | 2017-06-26 | 2017-09-29 | 新疆蓝山屯河聚酯有限公司 | A kind of PBT material and preparation method thereof |
| CN209328550U (en) * | 2019-01-21 | 2019-08-30 | 东莞荣星电子有限公司 | A kind of superelevation pressure resistance enameled wire |
| CN210052544U (en) * | 2019-05-10 | 2020-02-11 | 广西纵览线缆集团有限公司 | Double-insulation protection wire for home decoration |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107652954A (en) * | 2017-09-26 | 2018-02-02 | 中国石油天然气集团公司 | A kind of nitrogen heterocyclic ring solid crosslinking agent and its preparation method and application |
| CA3137379A1 (en) * | 2019-04-26 | 2020-10-29 | Xlynx Materials Inc. | Diazirine-based molecules and uses thereof |
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