CN109668878A - A kind of enameled wire breakage test equipment and its test method - Google Patents
A kind of enameled wire breakage test equipment and its test method Download PDFInfo
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- CN109668878A CN109668878A CN201910089987.1A CN201910089987A CN109668878A CN 109668878 A CN109668878 A CN 109668878A CN 201910089987 A CN201910089987 A CN 201910089987A CN 109668878 A CN109668878 A CN 109668878A
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- 238000012360 testing method Methods 0.000 title claims abstract description 86
- 238000010998 test method Methods 0.000 title claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 47
- KJFMBFZCATUALV-UHFFFAOYSA-N Phenolphthalein Natural products C1=CC(O)=CC=C1C1(C=2C=CC(O)=CC=2)C2=CC=CC=C2C(=O)O1 KJFMBFZCATUALV-UHFFFAOYSA-N 0.000 claims description 37
- 150000003839 salts Chemical class 0.000 claims description 20
- 239000004922 lacquer Substances 0.000 claims description 14
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 10
- 239000000243 solution Substances 0.000 claims description 10
- 238000009413 insulation Methods 0.000 claims description 9
- 238000012797 qualification Methods 0.000 claims description 8
- 239000012266 salt solution Substances 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 6
- 239000012811 non-conductive material Substances 0.000 claims description 6
- 239000000945 filler Substances 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 4
- 238000004090 dissolution Methods 0.000 claims description 3
- 239000012994 photoredox catalyst Substances 0.000 claims description 3
- 239000004417 polycarbonate Substances 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 239000005060 rubber Substances 0.000 claims description 3
- 239000002305 electric material Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000005299 abrasion Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 4
- 238000003411 electrode reaction Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005868 electrolysis reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- XLYOFNOQVPJJNP-ZSJDYOACSA-N heavy water Substances [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000035800 maturation Effects 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 239000010963 304 stainless steel Substances 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 206010014405 Electrocution Diseases 0.000 description 1
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000010892 electric spark Methods 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
- G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
- G01N21/78—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/06—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool
- G01M3/08—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool for pipes, cables or tubes; for pipe joints or seals; for valves; for welds
- G01M3/081—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool for pipes, cables or tubes; for pipe joints or seals; for valves; for welds for cables
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Plasma & Fusion (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Testing Relating To Insulation (AREA)
Abstract
The present invention relates to cable mechanical manufacturing fields, more particularly to a kind of enameled wire breakage test equipment and its test method, it mainly solves and is filled with water in the prior art with simple basin, then into the water by the cathode of power supply, by drum in basin, exists and be unfavorable for finding breaking point, it is also necessary to carry out length testing, the time is expended, the problem for causing enameled wire test inconvenient.A kind of enameled wire breakage test equipment of the present invention, comprising: bracket component, including crossbeam and support column, the support column are vertically arranged, and the crossbeam level is welded in the middle and lower part position of two support columns；Sink is set to above the bracket component；Accommodating chamber, it is set to support column middle and upper part position, one end by enameled wire to be tested is only needed to be clamped on negative conductive folder when test, rest part immerses in water bath, it subsequently powers on, then by counting red dot quantity it may determine that whether enameled wire is qualified, quickly and easily enameled wire can be tested.
Description
Technical field
The present invention relates to cable mechanical manufacturing field, it is related specifically to a kind of enameled wire breakage test equipment and its survey
Method for testing.
Background technique
Traditional power transmission mode needs to realize that electric energy is transmitted by electric interconnection between power supply unit and electrical equipment, this
Method is not particularly suited for the use of electrical equipment under the harsh conditions such as extra long distance, high-speed mobile, adverse circumstances, and component at
This and later maintenance cost are higher.In addition to linking transmission of electricity, also has and transmit electricity using the way of contact of sliding or rolling friction
Can, but there is very big quality and security risk: electric spark, device abrasion, easily causes Communication Jamming, unexpected touch touching at carbon distribution
Electricity etc..
Therefore just occur realizing the Novel electric of energy transmission by non-contacting coupled modes using electromagnetic induction principle
Cable.Traditional cable structure is more insulated wire twisted synthesizing cables after conductor outer layer squeezes out insulation, then squeezes out one layer in protecting
The oversheath of layer insulation.But such cable is architectural limitation, and is unable to get higher induced flux, and volume is big, inconvenient
In mounting and installation, it passes through air gap completion electromagnetism connection, non-maintaining, zero abrasion.Contactless energy transmission can achieve 10m/s
Above high speed.And cable buries under floor, will not constitute the barrier of interference cross traffic.Improved enameled wire composition
Power-supply system without discharge and pollution it is few, any noise will not be generated, these can significantly improve productivity level, maintenance
It is more efficient with installing, suitable for the transportation system of logistics center, pallet waggon, the conveyer with elevating function, electronic list
The fields such as rail system, magnetic suspension train rail, satellite, floor-based transport, stacking machine, elevator.
However enameled wire generally requires to carry out breakage test, is often only contained in the prior art with simple basin
Then into the water by the cathode of power supply water by enamel-cover drum in basin, exists and is unfavorable for finding enameled wire breaking point, also need
Length testing is carried out, the time is expended, that is, there is a problem of test inconvenience, i.e. being directed in the prior art and there is no maturation
Enameled wire carries out the test equipment of breakage test, and then there is an urgent need to be improved the prior art, finds a kind of maturation
Enameled wire breakage test equipment.
Summary of the invention
The object of the invention is to provide a kind of enameled wire breakage test equipment, mainly solves and only uses in the prior art
Simple basin is filled with water, and then into the water by the cathode of power supply, by drum in basin, exists and is unfavorable for finding that enameled wire is damaged
Point, it is also necessary to carry out length testing, expend the time, there is a problem of test inconvenience.
The two of the object of the invention are to provide a kind of test method based on enameled wire breakage test equipment.
One of in order to achieve the above objectives, the invention adopts the following technical scheme:
A kind of enameled wire breakage test equipment, comprising:
Bracket component 10, including crossbeam 12 and support column 13, the support column 13 are vertically arranged, 12 horizontal welding of crossbeam
It is connected to the middle and lower part position of two support columns 13；
Sink 20 is set to 10 top of bracket component；
Accommodating chamber 30 is set to the 13 middle and upper part position of support column.
Using above-mentioned technological means, when carrying out enameled wire damage test, it is only necessary to by one end of enameled wire to be tested
It is clamped on the negative conductive folder being arranged on the left of sink, rest part immerses+0.2% salt solution of 3% phenolphthalein alcohol of sink
In, subsequently power on DC12V or DC24V mono- minute, then by count red dot appearance quantity it may determine that enameled wire whether
Qualification, solving existing in the prior art is to be filled with water with simple basin, then into the water by the cathode of power supply, by line
Disk causes to be unfavorable for finding breaking point in basin, it is also necessary to carry out length testing, expend the time, lead to enameled wire test not side
Just the problem of, can quickly and easily test enameled wire.The prior art is filled with water with simple basin, then by power supply
Cathode into the water, by enamel-cover drum in basin, is not only not easy to find pin hole, it is (low-priced everywhere to be also easy to failure test ambient enviroment
Be water), and of the invention, the occurrence of being filled with water using sink, can effectively prevent this, test case is preferable.
According to one embodiment of present invention, wherein the bracket component 10 further includes bracket base 11, the bracket bottom
Seat 11 is set to 13 lower part of support column, and the bracket base 11 is internally provided with filler.Using above-mentioned technological means,
11 inside stuffing matter of bracket base in 10 lower part of bracket component, can be realized fixed bracket assembly 10, so that it will not because
It is light and outwell, increase the stability of enameled wire breakage test equipment of the present invention.
According to one embodiment of present invention, wherein the bracket component 10 is set as certain altitude.Using above-mentioned technology
Bracket component 10 is set certain suitable height by means, and tester can be made to carry out breakage survey to enameled wire
It is more light when examination, it is not easy fatigue.
According to one embodiment of present invention, wherein the sink 20 is set as non-conductive material sink 20.
According to one embodiment of present invention, wherein the non-conductive material sink 20 be pp material, resin, rubber or
One of PC plate.Using above-mentioned technological means, it is made up of any one material in pp material, resin, rubber or PC plate
Sink 20 be non-conductive material, can prevent tester to enameled wire carry out breakage test when occur electric shock feelings
Condition, and then increase the Security of test of enameled wire breakage test equipment；In addition, pp Material Strength is big, wearability is good,
The service life of equipment can be extended to a certain extent.
According to one embodiment of present invention, wherein the 20 left side side plate of sink is provided with negative conductive folder 21, described
20 bottom of sink is provided with positive conductive folder 22.Using above-mentioned technological means, negative conductive presss from both sides 21 sink inner ends for clamping
Enameled wire to be tested one, negative conductive folder 21 give the cathode of device for connecting power supply；22 outside of positive conductive folder is used for
The anode that power supply gives device is connected, when testing using this equipment enameled wire, removes the insulating lacquer layer of enameled wire one end；?
20 inside of sink, is clamped this end for removing insulating lacquer layer by negative conductive folder 21；By the portion about 1.0m among enameled wire to be measured
Sub-dip enters in+0.2% salt solution of 3% phenolphthalein alcohol；In 20 outside of sink, positive conductive folder 22 powers on anode, cathode
Conductive clip 21 powers on cathode, is anode with solution, using sample as cathode, applies DC12V or DC24V mono- minute；Then it counts
Pin hole quantity.
According to one embodiment of present invention, wherein be provided with power supply in the accommodating chamber 30 and give device.Using above-mentioned skill
Art means, power supply give device and are used for provide test electric current when the test of enameled wire breakage test equipment.
According to one embodiment of present invention, wherein the power supply gives device and provides DC12V or DC24V voltage.
In order to achieve the above objectives two, the invention adopts the following technical scheme:
A kind of test method based on enameled wire breakage test equipment, includes the following steps:
The enameled wire of nominal diameter 0.063mm and following provisions take the sample for being about 1.5m；
Remove the insulating lacquer layer of enameled wire one end；
20 inside of sink, is clamped this end for removing insulating lacquer layer by negative conductive folder 21；
Inside sink 20, about 1.0m among enameled wire to be measured is immersed in+0.2% salt solution of 3% phenolphthalein alcohol part；
20 outside of sink, positive conductive folder 22 power on anode, and negative conductive folder 21 powers on cathode, is with solution
Anode applies DC12V or DC24V mono- minute using sample as cathode；
Then counting pin hole quantity (has the place of pin hole to have bubble to emerge and nearby take on a red color, that is, can see when testing
To obvious red dot)；
Judgement is required according to magnet wire insulation layer, otherwise it is unqualified that every meter of monofilament pinhole number, which is qualification below 1,.
This test method, is added phenolphthalein in a liquid, is emerged by bubble and is nearby taken on a red color, and there is no will when experiment
Enameled wire coiling, that is, can see obvious red dot when testing, to judge pin hole quantity, can be quickly found out the abrasion of enameled wire
Position, thus judge enameled wire breakage, it is convenient and efficient.
The present invention also provides another enamel-cover wire testing methods, include the following steps:
0.06mm enameled wire below is taken out 1.5mm, the enameled wire taking-up 6m of 0.07mm or more, which is not bent, does not elongate examination
Material；
It is put into the enameled wire of taking-up in constant temperature (if being not specified by temperature, by 122-128 degree) at an established temperature, adds
Heat 10 minutes, when heating, are not bent, and do not stretch；
0.06mm enameled wire below is taken out 1mm again, the enameled wire of 0.07mm or more takes out 6m；
Remove the insulating lacquer layer of enameled wire one end；
20 inside of sink, is clamped this end for removing insulating lacquer layer by negative conductive folder 21；
Enameled wire is immersed in+0.2% salt solution of 3% phenolphthalein alcohol；
20 outside of sink, positive conductive folder 22 power on anode, and negative conductive folder 21 powers on cathode, is with solution
Anode applies DC12V or DC24V mono- minute using sample as cathode；
Then counting pin hole quantity (has the place of pin hole to have bubble to emerge and nearby take on a red color, that is, can see when testing
To obvious red dot)；
Judgement is required according to magnet wire insulation layer, otherwise it is unqualified that every meter of monofilament pinhole number, which is qualification below 1,.
The present invention also provides a kind of preparation methods of salt water, mainly include the following steps:
Suitable alcohol is poured into measuring cup, and phenolphthalein (such as: the absolute alcohol of 20g, 6g phenolphthalein) is added simultaneously in 3% ratio
It is sufficiently stirred and is allowed to dissolution as indicator；
Then it is instilled in the salt water (such as: the water of 99.8g, 2g salt) that concentration is 0.2% in right amount；
For the accuracy of guarantee test and visual and clear, fresh phenolphthalein salt water should be prepared daily；When starting test every time, use
Sample end is clicked and entered in salt water, sees the color developing effect of salt water, if color developing effect it is bad to prepare phenolphthalein salt water again；Sample
End cannot be immersed in salt water for a long time, in order to avoid incarnadining salt water, influence next test.
The pin hole test member principle of enameled wire:
Anode electrode reaction equation: Cu-2e-=Cu2+
Cathode electrode reaction equation: 2H++2e-=H2
Overall reaction equation: Cu+2H2O=(electrolysis) Cu (OH) 2+H2
Cu (OH) 2 meets phenolphthalein and reddens in alkalinity.
The utility model has the advantages that
A kind of enameled wire breakage test equipment of the present invention, including bracket component and sink are provided on sink positive and negative
Pole conductive clip, when test, only need one end by enameled wire to be tested to be clamped in the negative conductive folder being arranged on the left of sink
On, rest part immerses in water bath, subsequently powers on DC12V mono- minute, then can by counting the quantity of red dot appearance
To judge whether enameled wire is qualified, having overcome existing in the prior art is to be filled with water with simple basin, then by power supply
Cathode into the water, by drum in basin, cause to be unfavorable for find breaking point, it is also necessary to carry out length testing, expend the time,
The problem for causing enameled wire test inconvenient, can quickly and easily test enameled wire.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is schematic perspective view of the invention.
Fig. 2 is main view of the invention.
Fig. 3 is side view of the invention.
Fig. 4 is top view of the invention.
In attached drawing:
10, bracket component 11, bracket base 12, crossbeam
13, support column 20, sink 21, negative conductive folder
22, positive conductive presss from both sides 30, accommodating chamber 40, fixing piece
Specific embodiment
The purpose of the present invention, technical solution are clearly and completely described and advantage is more clearly understood in order to make, with
The embodiment of the present invention is further elaborated in lower combination attached drawing.It should be appreciated that specific embodiment described herein is
A part of the embodiment of the present invention is only used to explain the present invention, be not intended to limit the present invention instead of all the embodiments,
Every other embodiment obtained by those of ordinary skill in the art without making creative efforts, belongs to this hair
The range of bright protection.
In the description of the present invention, it should be noted that term " center ", " in " "upper", "lower", "left", "right",
The orientation or positional relationship of the instructions such as "inner", "outside", "top", "bottom", " side ", "vertical", "horizontal" is based on the figure
Orientation or positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device of indication or suggestion meaning or
Element must have a particular orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.This
Outside, term " one ", " first ", " second ", " third ", " the 4th ", " the 5th ", " the 6th " are used for description purposes only, and cannot manage
Solution is indication or suggestion relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
For concise and explanation purpose, the principle of embodiment is described by referring mainly to example.In the following description,
Many details are suggested to provide a thorough understanding of embodiments.It will be apparent, however, that for ordinary skill
Personnel, these embodiments can be not limited to these details in practice.In some instances, it does not describe in detail known
Method and structure, to avoid unnecessarily making these embodiments become difficult to understand.In addition, all embodiments can be combined with each other
It uses.
As Figure 1-Figure 4, a kind of enameled wire breakage test equipment, comprising: bracket component 10, including 12 He of crossbeam
Support column 13, the support column 13 are vertically arranged, and 12 level of crossbeam is welded in the middle and lower part position of two support columns 13
It sets；Sink 20, is set to 10 top of bracket component, and the sink 20 is fixed on the bracket component 10 by fixing piece 40
Top；And accommodating chamber 30, it is set to the 13 middle and upper part position of support column.
One end by enameled wire to be tested is only needed to be clamped on the negative conductive folder being arranged on the left of sink when test,
Rest part immerses in water bath, subsequently powers on DC12V or DC24V mono- minute, then (has pin hole by counting red dot appearance
Place have bubble and emerge and nearby take on a red color, that is, can see obvious red dot when testing) quantity it may determine that paint
Whether envelope curve is qualified, is required according to magnet wire insulation layer, and every meter of monofilament pinhole number is qualification below 1, otherwise to be unqualified,
Solving existing in the prior art is to be filled with water with simple basin, and then into the water by the cathode of power supply, drum is existed
In basin, cause to be unfavorable for finding breaking point, it is also necessary to carry out length testing, expend the time, lead to enameled wire test inconvenience
Problem can quickly and easily test enameled wire.The prior art is filled with water with simple basin, then by the cathode of power supply
Into the water, by drum in basin, it is easily destroyed test ambient enviroment (low-priced is water everywhere), and it is of the invention, it is contained using sink
Water, the occurrence of capable of effectivelying prevent this, test case is preferable.
Bracket component 10 makes of the 304 stainless steel square pipes of 50*50*2, and stainless steel square tube can satisfy cosmetic requirements,
And stainless steel square tube is not easy to get rusty, and is able to extend the service life of equipment；10 overall height of bracket component is set as
1000mm sets certain suitable height for bracket component 10, can adapt to the height of human body, tester can be made right
Enameled wire carries out more light when breakage test.20 specification of sink is set as 1200*100*100mm, with a thickness of 10mm,
Sink 20 is made of non-conductive material pp material, is set non-conductive material for 20 material of sink, can be prevented tester from existing
Electrocution conditions occur when carrying out breakage test to enameled wire, and then increase the test of enameled wire breakage test equipment
Safety；In addition, pp Material Strength is big, wearability is good, can extend the service life of equipment to a certain extent, so that
It is worth with better utilization and extention.
The bracket component 10 further includes bracket base 11, and the bracket base 11 is set to 13 lower part of support column,
The bracket base 11 is internally provided with filler, and filler is iron block in the present embodiment, increases enameled wire breakage
The weight of test equipment bottom can be realized fixed bracket assembly 10, so that it will not outwell because of light, increase the present invention
The stability of enameled wire breakage test equipment.
The 20 left side side plate of sink is provided with negative conductive folder 21, and 20 bottom of sink is provided with positive conductive folder
22.For clamping enameled wire to be tested one, negative conductive presss from both sides to be used on the outside of 21 sinks for negative conductive folder 21 sink, 20 inner end
The cathode of device is given in connection power supply；20 outside positive conductive of sink folder 22 gives the anode of device for connecting power supply.Using this
When equipment tests enameled wire, remove the insulating lacquer layer of enameled wire one end；In 20 inside of sink, pass through negative conductive folder 21
This end for removing insulating lacquer layer is clamped；About 1.0m among enameled wire to be measured is immersed into+0.2% salt of 3% phenolphthalein alcohol in part
In solution；In 20 outside of sink, positive conductive folder 22 powers on anode, and negative conductive folder 21 powers on cathode, with solution
Apply DC12V or DC24V mono- minute using sample as cathode for anode；Then counting pin hole quantity (has the place of pin hole to have gas
Bubble emerges and nearby takes on a red color, that is, can see obvious red dot when testing)；Judgement requires, every meter according to magnet wire insulation layer
Monofilament pinhole number is qualification below 1, is otherwise unqualified.
It is provided with power supply in the accommodating chamber 30 and gives device, it is 12v power supply that power supply, which gives device, for being enameled wire breakage feelings
Test electric current is provided when condition test equipment is tested.
A kind of test method based on enameled wire breakage test equipment, includes the following steps:
The enameled wire of nominal diameter 0.063mm and following provisions take the sample for being about 1.5m；
Remove the insulating lacquer layer of enameled wire one end；
20 inside of sink, is clamped this end for removing insulating lacquer layer by negative conductive folder 21；
About 1.0m among enameled wire to be measured is immersed in+0.2% salt solution of 3% phenolphthalein alcohol part；
20 outside of sink, positive conductive folder 22 power on anode, and negative conductive folder 21 powers on cathode, is with solution
Anode applies DC12V mono- minute using sample as cathode；
Then counting pin hole quantity (has the place of pin hole to have bubble to emerge and nearby take on a red color, that is, can see when testing
To obvious red dot)；
Judgement is required according to magnet wire insulation layer, otherwise it is unqualified that every meter of monofilament pinhole number, which is qualification below 1,.
This test method, is added phenolphthalein in a liquid, is emerged by bubble and is nearby taken on a red color, and there is no will when experiment
Enameled wire coiling, that is, can see obvious red dot when testing, to judge pin hole quantity, can be quickly found out the abrasion of enameled wire
Position, thus judge enameled wire breakage, it is convenient and efficient.
The present invention also provides another enamel-cover wire testing methods, include the following steps:
0.06mm enameled wire below is taken out 1.5mm, the enameled wire taking-up 6m of 0.07mm or more, which is not bent, does not elongate examination
Material；
It is put into the enameled wire of taking-up in constant temperature (if being not specified by temperature, by 122-128 degree) at an established temperature, adds
Heat 10 minutes, when heating, are not bent, and do not stretch；
0.06mm enameled wire below is taken out 1mm again, the enameled wire of 0.07mm or more takes out 6m；
Remove the insulating lacquer layer of enameled wire one end；
20 inside of sink, is clamped this end for removing insulating lacquer layer by negative conductive folder 21；
Enameled wire is immersed in+0.2% salt solution of 3% phenolphthalein alcohol；
20 outside of sink, positive conductive folder 22 power on anode, and negative conductive folder 21 powers on cathode, is with solution
Anode applies DC12V mono- minute using sample as cathode；
Then counting pin hole quantity (has the place of pin hole to have bubble to emerge and nearby take on a red color, that is, can see when testing
To obvious red dot)；
Judgement is required according to magnet wire insulation layer, otherwise it is unqualified that every meter of monofilament pinhole number, which is qualification below 1,.
A kind of preparation method of salt water, mainly includes the following steps:
Suitable alcohol is poured into measuring cup, and phenolphthalein (such as: the absolute alcohol of 20g, 6g phenolphthalein) is added simultaneously in 3% ratio
It is sufficiently stirred and is allowed to dissolution as indicator；
Then it is instilled in the salt water (such as: the water of 99.8g, 2g salt) that concentration is 0.2% in right amount；
For the accuracy of guarantee test and visual and clear, fresh phenolphthalein salt water should be prepared daily；When starting test every time, use
Sample end is clicked and entered in salt water, sees the color developing effect of salt water, if color developing effect it is bad to prepare phenolphthalein salt water again；Sample
End cannot be immersed in salt water for a long time, in order to avoid incarnadining salt water, influence next test.
The pin hole test member principle of enameled wire:
Anode electrode reaction equation: Cu-2e-=Cu2+
Cathode electrode reaction equation: 2H++2e-=H2
Overall reaction equation: Cu+2H2O=(electrolysis) Cu (OH) 2+H2
Cu (OH) 2 meets phenolphthalein and reddens in alkalinity.
Although the illustrative specific embodiment of the present invention is described above, in order to the technology of the art
Personnel are it will be appreciated that the present invention, but the present invention is not limited only to the range of specific embodiment, to the common skill of the art
For art personnel, as long as long as various change the attached claims limit and determine spirit and scope of the invention in, one
The innovation and creation using present inventive concept are cut in the column of protection.
Claims (11)
1. a kind of enameled wire breakage test equipment, comprising:
Bracket component (10), including crossbeam (12) and support column (13), the support column (13) are vertically arranged, the crossbeam (12)
Level is welded in the middle and lower part position of two support columns (13)；
Sink (20) is set to above the bracket component (10)；And
Accommodating chamber (30) is set to the support column (13) middle and upper part position.
2. a kind of enameled wire breakage test equipment as described in claim 1, wherein the bracket component (10) is also wrapped
It includes:
Bracket base (11), the bracket base (11) are set to the support column (13) lower part；
The bracket base (11) is internally provided with filler.
3. a kind of enameled wire breakage test equipment as described in claim 1, wherein the bracket component (10) is set as
Certain altitude.
4. a kind of enameled wire breakage test equipment as described in claim 1, wherein the sink (20) is set as not leading
Electric material sink (20).
5. a kind of enameled wire breakage test equipment as claimed in claim 4, wherein the non-conductive material sink (20)
For one of pp material, resin, rubber or PC plate.
6. a kind of enameled wire breakage test equipment as described in claim 1, wherein the sink (20) further include:
Negative conductive presss from both sides (21), is set on the left of the sink (20) on side plate；
Positive conductive presss from both sides (22), is set to the sink (20) bottom.
7. a kind of enameled wire breakage test equipment as described in claim 1, wherein be provided in the accommodating chamber (30)
Power supply gives device.
8. a kind of enameled wire breakage test equipment as described in claim 1, wherein the power supply gives device and provides
DC12V or DC24V voltage.
9. a kind of test method based on enameled wire breakage test equipment, includes the following steps:
The enameled wire of nominal diameter 0.063mm and following provisions take the sample for being about 1.5m；
Remove the insulating lacquer layer of enameled wire one end；
On the inside of sink (20), this end for removing insulating lacquer layer is clamped by negative conductive folder (21)；
Sink (20) is internal, and about 1.0m among enameled wire to be measured is immersed in+0.2% salt solution of 3% phenolphthalein alcohol part；
On the outside of sink (20), positive conductive folder (22) powers on anode, and negative conductive folder (21) powers on cathode, with solution
Apply DC12V mono- minute for anode using sample as cathode；
Then pin hole quantity is counted；
Judgement is required according to magnet wire insulation layer, otherwise it is unqualified that every meter of monofilament pinhole number, which is qualification below 1,.
10. a kind of preparation method of salt water, mainly includes the following steps:
Suitable alcohol is poured into measuring cup；
Phenolphthalein is added and is sufficiently stirred in 3% ratio and is allowed to dissolution as indicator；
Then it is instilled in the salt water that concentration is 0.2% in right amount.
It is the accuracy of guarantee test and straight further 11. a kind of preparation method of salt water according to claim 10
It is clear to see, and should prepare fresh phenolphthalein salt water daily；It when starting test every time, is clicked and entered in salt water with sample end, sees the aobvious of salt water
Color effect, if color developing effect it is bad to prepare phenolphthalein salt water again.
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| CN201910089987.1A CN109668878A (en) | 2019-01-31 | 2019-01-31 | A kind of enameled wire breakage test equipment and its test method |
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| CN110346427A (en) * | 2019-06-19 | 2019-10-18 | 铜陵有色股份铜冠电工有限公司 | A kind of swept-back salt water pin hole experimental rig for enameled wire detection |
| CN111707912A (en) * | 2020-06-12 | 2020-09-25 | 阜阳腾冠电力科技有限公司 | Insulation detection device for power distribution cabinet |
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