CN110221187A - A kind of charing path sample and preparation method thereof - Google Patents
A kind of charing path sample and preparation method thereof Download PDFInfo
- Publication number
- CN110221187A CN110221187A CN201910535718.3A CN201910535718A CN110221187A CN 110221187 A CN110221187 A CN 110221187A CN 201910535718 A CN201910535718 A CN 201910535718A CN 110221187 A CN110221187 A CN 110221187A
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- conducting wire
- device noumenon
- hole
- preparation
- path sample
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/20—Preparation of articles or specimens to facilitate testing
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- General Physics & Mathematics (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a kind of charing path samples and preparation method thereof, and the device noumenon including open-topped box like structure, opposite sides face corresponding position is respectively arranged with first through hole and the second through-hole；Device noumenon is insulating materials preparation, is built-in with conductive powder body；Further include the first conducting wire goed deep into device noumenon from first through hole and gos deep into the second conducting wire in device noumenon from the second through-hole；First conducting wire and the second conducting wire are oppositely arranged, and are goed deep into device noumenon portion of external and are not set the exposed core of insulating layer；Production method of the present invention is simple, safe and reliable, practical, consistency is good.
Description
Technical field
The present invention relates to the charing path samples and preparation method thereof that arc fault protector carries out electric arc detection.
Background technique
Carbonizing path is a kind of electrical failure mode, and charing path sample is the sample for simulating such electric fault, is used for
It is used when carrying out arc fault detection." the general requirement of GB/T 31143-2014 electric arc fault protection electric appliance (AFDD) " and " UL
1699 " charing path sample is all arrived in standard, when carrying out arc fault detection to arc fault protector."GB/T 31143-
The general requirement of 2014 arc fault protectors (AFDD) " production charing path Sample Method are as follows: be by two sectional areas first
The conducting wire of 1.5 mm2 bundles, and being cut into length is 200 mm, and 25 mm of both ends is punished into single cord；It will be exhausted between conducting wire
Edge layer cuts 50 mm, should expose conducting wire without cutting off filament；Secondly, insulation cuts are wrapped up two layers with PVC insulating tape, then use
Glass fiber tape wraps up two layers；The insulation of conducting wire one end is peeled off into 12 mm of the moon, with joint test circuit.Cable test product and one
30 mA of short circuit current is connected with the circuit of 7 kV or more of open-circuit voltage, be powered 10 s or to stop smolder；Or cable test product and one
A 300 mA of short circuit current is connected with the circuit of 2 kV of voltage, be powered 1 min or to stop smolder, the two applies in turn；To electricity
The pretreatment of cable test product between conducting wire to generate charing channel in insulation.If the incandescent lamp of one 100W/230V of series connection starts to send out
Light, i.e., it is believed that having formed charing path.Above-mentioned manufacturing process, safety is poor, success rate is low, sample consistency is bad.
Summary of the invention
The present invention, which provides, a kind of makes simple, safe and reliable charing path sample practical, consistency is good and its preparation side
Method.
The technical solution adopted by the present invention is that: a kind of charing path sample, the device including open-topped box like structure
Ontology, opposite sides face corresponding position are respectively arranged with first through hole and the second through-hole；Device noumenon is insulating materials preparation,
It is built-in with conductive powder body；Further include the first conducting wire goed deep into device noumenon from first through hole and gos deep into device sheet from the second through-hole
Intracorporal second conducting wire；First conducting wire and the second conducting wire are oppositely arranged, and going deep into device noumenon portion of external, not set insulating layer exposed
Core.
A kind of preparation method carbonizing path sample, comprising the following steps:
Step 1: conducting wire being straightened, is truncated to form the first conducting wire and the second conducting wire along its vertical direction；Truncated position insulating layer strips
Expose core；
Step 2: the first conducting wire and the second conducting wire are penetrated into device noumenon along first through hole and the second through-hole respectively；
Step 3: required sample can be obtained by conductive powder body charging apparatus ontology, making it be filled up completely full device noumenon.
Further, distance is 2~5 mm between first conducting wire and the second conducting wire.
Further, the conductive powder body is powdered carbon or graphitic carbon.
Further, it is 3~5 mm that first conducting wire and the second conducting wire, which expose core part,；First conducting wire and second
It includes partial insulative layer part that conducting wire, which penetrates device noumenon,.
Further, it is 2.5mm that first conducting wire and the second conducting wire, which are diameter,2Or 4mm2Multicore or single-core line.
The beneficial effects of the present invention are:
Simple, safe and reliable, the practical consistency of charing path sample and its preparation process that the present invention is prepared is good.
Detailed description of the invention
Fig. 1 is device noumenon structural schematic diagram in the present invention.
Fig. 2 is conductor structure schematic diagram in the present invention.
In figure: 1- device noumenon, 2- first through hole, the second through-hole of 3-, the first conducting wire of 4-, the second conducting wire of 5-, 6- insulating layer.
Specific embodiment
The present invention will be further described in the following with reference to the drawings and specific embodiments.
As depicted in figs. 1 and 2, a kind of charing path sample, the device noumenon 1 including open-topped box like structure,
Opposite sides face corresponding position is respectively arranged with first through hole 2 and the second through-hole 3；Device noumenon 1 is insulating materials preparation, built-in
There is conductive powder body；Further include the first conducting wire 4 goed deep into device noumenon 1 from first through hole 2 and gos deep into device sheet from the second through-hole 3
The second conducting wire 5 in body 1；First conducting wire 4 and the second conducting wire 5 are oppositely arranged, and are goed deep into 1 portion of external of device noumenon and are not set insulating layer
Exposed core.
A kind of preparation method carbonizing path sample, which comprises the following steps:
Step 1: conducting wire being straightened, is truncated to form the first conducting wire 4 and the second conducting wire 5 along its vertical direction；Truncated position insulating layer (6)
3~5mm is stripped, core is exposed；Conducting wire uses diameter for 2.5mm2Or 4mm2Multicore or single-core line.
Step 2: the first conducting wire 4 and the second conducting wire 5 are penetrated into device noumenon 1 along first through hole 2 and the second through-hole 3 respectively；
Wherein the first conducting wire 4 and 5 partial insulative layer 6 of the second conducting wire also penetrate in hole；Distance is 2 between first conducting wire 4 and the second conducting wire 5
~5mm；Device noumenon 1 is that every one side side length is 2~4 times of diameter of wire；First through hole 2 and the second through-hole 3 and diameter of wire
Quite, it is advisable with just penetrating conducting wire.Top-open, the box of other face closures are formed after penetrating conducting wire；Device noumenon 1 uses
Insulating materials preparation, is advisable with the insulating materials with flame-retarding characteristic.
Step 3: it in conductive powder body charging apparatus ontology 1, will be made, which to be filled up completely full device noumenon 1, can be obtained required sample
Product.Powdered carbon is poured on one side from top-open, it is made to be filled up completely full box；Conductive graphitic carbon can be selected in powdered carbon, or
The powdered carbon scraped from conductive carbon-point.Sample preparation is completed to close also not close above.
After the completion of sample preparation, it is series at the circuit 220V, access 60W~100W incandescent lamp bulb is as load, light bulb
Energy normal luminous, and the abnormal phenomenon such as flicker free, interruption then show sample making success.
Claims (10)
1. a kind of charing path sample, which is characterized in that the device noumenon (1) including open-topped box like structure, it is opposite
Two sides corresponding position is respectively arranged with first through hole (2) and the second through-hole (3)；Device noumenon (1) is insulating materials preparation, interior
It is equipped with conductive powder body；It further include the first conducting wire (4) goed deep into device noumenon (1) from first through hole (2) and from the second through-hole (3)
Go deep into the second conducting wire (5) in device noumenon (1)；First conducting wire (4) and the second conducting wire (5) are oppositely arranged, and go deep into device noumenon
(1) portion of external does not set the exposed core of insulating layer.
2. a kind of preparation method for carbonizing path sample a kind of as described in claim 1, which comprises the following steps:
Step 1: conducting wire being straightened, is truncated to form the first conducting wire (4) and the second conducting wire (5) along its vertical direction；Truncated position insulation
Layer (6) strips exposing core；
Step 2: the first conducting wire (4) and the second conducting wire (5) are penetrated into device sheet along first through hole (2) and the second through-hole (3) respectively
Body (1)；
Step 3: by conductive powder body charging apparatus ontology (1), so that it is filled up completely full device noumenon (1) can be obtained required sample
Product.
3. a kind of preparation method for carbonizing path sample according to claim 2, which is characterized in that first conducting wire
(4) distance is 2~5mm between the second conducting wire (5).
4. a kind of preparation method for carbonizing path sample according to claim 2, which is characterized in that the conductive powder body is
Powdered carbon or graphitic carbon.
5. a kind of preparation method for carbonizing path sample according to claim 2, which is characterized in that first conducting wire
(4) and the second conducting wire (5) exposing core part is 3~5mm；First conducting wire (4) and the second conducting wire (5) penetrate device noumenon
It (1) include partial insulative layer part.
6. a kind of preparation method for carbonizing path sample according to claim 2, which is characterized in that first conducting wire
(4) and the second conducting wire (5) be diameter be 2.5mm2Or 4mm2Multicore or single copper wire.
7. a kind of charing path sample according to claim 1, which is characterized in that first conducting wire (4) and second is led
Distance is 2~5mm between line (5).
8. a kind of charing path sample according to claim 1, which is characterized in that the conductive powder body is powdered carbon or graphite
Carbon.
9. a kind of charing path sample according to claim 1, which is characterized in that first conducting wire (4) and second is led
It is 3~5mm that line (5), which exposes core part,；It includes that part is exhausted that first conducting wire (4) and the second conducting wire (5), which penetrate device noumenon (1),
Edge layer (6) part.
10. a kind of charing path sample according to claim 1, which is characterized in that first conducting wire (4) and second is led
Line (5) is that diameter is 2.5mm2Or 4mm2Multicore or single copper wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910535718.3A CN110221187A (en) | 2019-06-20 | 2019-06-20 | A kind of charing path sample and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910535718.3A CN110221187A (en) | 2019-06-20 | 2019-06-20 | A kind of charing path sample and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN110221187A true CN110221187A (en) | 2019-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910535718.3A Pending CN110221187A (en) | 2019-06-20 | 2019-06-20 | A kind of charing path sample and preparation method thereof |
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Citations (9)
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|---|---|---|---|---|
| EP0193864A1 (en) * | 1985-02-28 | 1986-09-10 | Eichhorn, Friedrich, Professor Dr.-Ing. | Device for adaptive guidance of a welding head |
| WO2008043606A1 (en) * | 2006-10-10 | 2008-04-17 | Oerlikon Trading Ag, Trübbach | Layer system having at least one mixed crystal layer of a polyoxide |
| CN102107866A (en) * | 2010-12-15 | 2011-06-29 | 中国林业科学研究院木材工业研究所 | Method for preparing wood conductive carbon powder through high-temperature carbonization |
| CN203117322U (en) * | 2013-01-21 | 2013-08-07 | 宁波习羽电子发展有限公司 | Fault arc carbonization track testing device |
| CN104090220A (en) * | 2014-04-28 | 2014-10-08 | 广东集雅电器有限公司 | Novel serial-connection arc test method and device for fault arc detection |
| CN106526377A (en) * | 2016-11-03 | 2017-03-22 | 珠海格力电器股份有限公司 | Fault arc generating system |
| CN107532953A (en) * | 2015-03-31 | 2018-01-02 | 株式会社ＮｅｊｉＬａｗ | The part in band-pass circuit footpath and the patterning method of electrical path and component change measuring method |
| CN107644578A (en) * | 2017-11-16 | 2018-01-30 | 公安部四川消防研究所 | One kind charing path electric discharge fire risk apparatus for demonstrating |
| CN107657878A (en) * | 2017-11-16 | 2018-02-02 | 公安部四川消防研究所 | A kind of electrical fire is multiple and suppresses the demo platform of electric ignition source |
-
2019
- 2019-06-20 CN CN201910535718.3A patent/CN110221187A/en active Pending
Patent Citations (9)
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|---|---|---|---|---|
| EP0193864A1 (en) * | 1985-02-28 | 1986-09-10 | Eichhorn, Friedrich, Professor Dr.-Ing. | Device for adaptive guidance of a welding head |
| WO2008043606A1 (en) * | 2006-10-10 | 2008-04-17 | Oerlikon Trading Ag, Trübbach | Layer system having at least one mixed crystal layer of a polyoxide |
| CN102107866A (en) * | 2010-12-15 | 2011-06-29 | 中国林业科学研究院木材工业研究所 | Method for preparing wood conductive carbon powder through high-temperature carbonization |
| CN203117322U (en) * | 2013-01-21 | 2013-08-07 | 宁波习羽电子发展有限公司 | Fault arc carbonization track testing device |
| CN104090220A (en) * | 2014-04-28 | 2014-10-08 | 广东集雅电器有限公司 | Novel serial-connection arc test method and device for fault arc detection |
| CN107532953A (en) * | 2015-03-31 | 2018-01-02 | 株式会社ＮｅｊｉＬａｗ | The part in band-pass circuit footpath and the patterning method of electrical path and component change measuring method |
| CN106526377A (en) * | 2016-11-03 | 2017-03-22 | 珠海格力电器股份有限公司 | Fault arc generating system |
| CN107644578A (en) * | 2017-11-16 | 2018-01-30 | 公安部四川消防研究所 | One kind charing path electric discharge fire risk apparatus for demonstrating |
| CN107657878A (en) * | 2017-11-16 | 2018-02-02 | 公安部四川消防研究所 | A kind of electrical fire is multiple and suppresses the demo platform of electric ignition source |
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| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190910 |