CN109828190A - Enameled wire breakdown voltage test system and test method - Google Patents
Enameled wire breakdown voltage test system and test method Download PDFInfo
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- CN109828190A CN109828190A CN201910133153.6A CN201910133153A CN109828190A CN 109828190 A CN109828190 A CN 109828190A CN 201910133153 A CN201910133153 A CN 201910133153A CN 109828190 A CN109828190 A CN 109828190A
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Abstract
The present invention provides a kind of enameled wire breakdown voltage test system and test method, the device includes insulation placement plate, test suite and voltage tester, test suite includes plate-shaped conductive component, test position is provided on plate plate-shaped conductive component, test position is for placing enameled wire to be tested；The voltage output end connecting plate-shaped conductive component of voltage tester, the voltage input end of voltage tester is for connecting enameled wire, enameled wire sample is placed on plate-shaped conductive component, the insulating layer and plate-shaped conductive component touch for keeping the narrow side of enameled wire sample most weak, make voltage tester, plate-shaped conductive component and enameled wire sample form a circuit, plate-shaped conductive component in the device can be most weak with enameled wire narrow side insulating layer completely attached to, the resistance to sparking energy of the most weak insulating layer of enameled wire narrow side can accurately be tested out, to obtain the minimum resistance to sparking energy of the enameled wire sample, more accurately reflect the performance of the enameled wire.
Description
Technical field
The present invention relates to high-voltage detecting device field, it is specifically related to a kind of enameled wire breakdown voltage test system and test
Method.
Background technique
With the development of enameled wire industry, section is that flat or square configuration special-shaped enameled wire is led accordingly
Occupy certain advantage in domain.The same flat or square enamel-covered wire by after the completion of producing, which requires to meet certain mass, to be wanted
It asks, just needs to carry out the test of a series of qualitative items in this to be assessed or be determined, wherein the destruction voltage of insulating layer
Performance is particularly important.Known existing test method is mostly that metal ball method in GB, JIS, IEC and NEMA standard is used (also to cry
Steel ball method), referring to Fig. 1, the test method of steel ball method are as follows: by enameled wire sample 1 be bent after be put into fill steel ball 2 plastic cement it is exhausted
In edge container, after one end removal insulating layer of enameled wire sample 1, the test electrode of breakdown voltage tester, enameled wire examination are connected
The other end of sample 1 is then exposed at outside container, is guaranteed that the both ends of enameled wire sample 1 have enough length to expose outside test container, is kept away
Exempt from flashover occur；And another test electrode of breakdown voltage tester connects the steel ball 2 in container.But steel ball method is deposited
In test result distortion or side leakage phenomenon, referring to fig. 2, since there are certain interval, enameled wire samples 1 between steel ball 2 and steel ball 2
It can not be completely attached to steel ball 2.Referring to Fig. 3 and Fig. 4, section is flat or is coated company by insulating layer close to rectangular enameled wire
The influence of continuous property and coating processes, the insulating layer in the knee of the narrow side of enameled wire is the weakest, also should be breakdown point at this, but
Be be difficult to contact with steel ball at this so that test result there are side leakage or distortion the phenomenon that, can not accurately test out the enameled wire
The breakdown voltage resistant numerical value of minimum, can not reflect the accurate performance numerical value of the enameled wire, bring one to the use of later period enameled wire
Fixed security risk.
Summary of the invention
The enameled wire that the first object of the present invention is to provide a kind of accurate test enameled wire narrow side insulating layer pressure resistance performance is hit
Wear voltage test device.
The enameled wire that the second object of the present invention is to provide a kind of accurate test enameled wire narrow side insulating layer pressure resistance performance is hit
Wear voltage test method.
In order to realize the first above-mentioned purpose, enameled wire breakdown voltage test system provided by the invention includes that insulation is placed
Plate, test suite and voltage tester, test suite include plate-shaped conductive component, are provided with test on plate plate-shaped conductive component
Position, test position is for placing enameled wire to be tested；The voltage output end connecting plate-shaped conductive component of voltage tester, voltage are surveyed
The voltage input end of examination instrument is for connecting enameled wire.
By above scheme as it can be seen that enameled wire sample is placed on plate-shaped conductive component, make the narrow side of enameled wire sample most
Weak insulating layer and plate-shaped conductive component touch, the voltage output end connecting plate-shaped conductive component of voltage tester, voltage are surveyed
The voltage input end for trying instrument connects enameled wire sample, so that voltage tester, plate-shaped conductive component and enameled wire sample form one
A circuit obtains the resistance to breakdown of the most weak insulating layer of narrow side of enameled wire sample by the test number on voltage tester
Performance, the insulating layer that the plate-shaped conductive component in the device can be most weak with enameled wire narrow side are completely attached to, can be accurate
The resistance to sparking energy of the most weak insulating layer of enameled wire narrow side is tested out, to obtain the minimum resistance to sparking of the enameled wire sample
Can, more accurately reflect the performance of the enameled wire.
Further embodiment is that plate-shaped conductive component includes the first conductive plate, and the first conductive plate abuts against insulation placement plate
On.
Further embodiment is that plate-shaped conductive component includes the first conductive sponge, and the first conductive sponge is arranged in the first conductive plate
On the side wall of side far from insulation placement plate.
As it can be seen that conductive sponge has flexibility, when enameled wire is placed on the first conductive sponge, the first conductive sponge can will be painted
The narrow side in the section of envelope curve is surrounded completely, so that enameled wire and the contact effect of the first conductive sponge are more preferable, so that test effect is more
It is good.
Further embodiment is that test suite includes switching switch, and plate-shaped conductive component includes the second conductive plate, and second leads
Battery plate is arranged in the top of the first conductive plate, and the second conductive plate can be mobile towards the first conductive plate, and switching switch is respectively with first
Conductive plate, the connection of the second conductive plate, test position between the first conductive plate and the second conductive plate.
As it can be seen that for enameled wire between the first conductive plate and the second conductive plate, the second conductive plate compresses enamel-cover in test
Line, switching switch are connect with the first conductive plate, the second conductive plate respectively, so that after the test of completion enameled wire section one end, nothing
Enameled wire need to be overturn, the connection direction of switching switch need to be only converted, the test of the enameled wire section other end can be initially entered, had
Effect improves working efficiency.
Further embodiment is that plate-shaped conductive component includes the second conductive sponge, and the second conductive sponge is arranged in the second conductive plate
Towards on the side wall of the side of the first conductive plate.
Further embodiment is that test suite further includes guidance set, and guidance set includes at least two eradication edge guide posts,
Insulation guide post is separately positioned in insulation placement plate, and two eradication edge guide posts are located at the horizontal plane of insulation placement plate not
On ipsilateral, insulation guide post runs through the second conductive plate simultaneously.
As it can be seen that the second conductive plate is moved along the extending direction of insulation guide post, and guide post setting of insulating is placed in insulation
On plate, keep the second conductive plate accurately dynamic towards the test displacement in insulation placement plate.
Further embodiment is that test suite includes insulation pressure-testing block, and insulation pressure-testing block is arranged on the second conductive plate.
As it can be seen that enameled wire being capable of preferably the first conductive plate under the pressure effect of the second conductive plate and insulation pressure-testing block
It is contacted with the second conductive plate, keeps test effect more preferable.
Alternatively, plate guidance set includes the first conductive sponge, and the first conductive sponge abuts against insulation and places
On plate.
Further embodiment is that plate-shaped conductive component includes the second conductive sponge, and test suite includes switching device, and second leads
The top of first guiding cotton is set to cotton, tests position between the first conductive sponge and the second conductive sponge, the second conductive sponge can
Mobile towards the first conductive sponge, switching device is connect with the first conductive sponge, the second guiding cotton respectively.
In order to realize that the second above-mentioned purpose, enameled wire breakdown voltage test method provided by the invention include: by enamel-cover
Line sample is placed on enameled wire breakdown voltage test system, and enameled wire breakdown voltage test system is that above-mentioned enameled wire punctures
Voltage test device；Enameled wire breakdown voltage test method includes placing step and testing procedure,
Placing step includes:
Enameled wire is placed on test position；
The narrow side in the section of enameled wire contacts plate conductive component；
The both ends of enameled wire are located at outside enameled wire breakdown voltage test system；
Testing procedure includes:
The voltage input end of the voltage output end connecting plate-shaped conductive component of voltage tester, voltage tester connects enamel-cover
The electric connecting terminal of line；
Start to test.
Detailed description of the invention
Fig. 1 is the test schematic diagram of steel ball method in the prior art.
Fig. 2 is the enlarged drawing in Fig. 1 at A.
Fig. 3 is the sectional view of existing one enameled wire of type.
Fig. 4 is the sectional view of existing two enameled wire of type.
Fig. 5 is the schematic diagram placed when enameled wire test.
Fig. 6 is the structure chart of enameled wire breakdown voltage test system first embodiment of the present invention.
Signal when Fig. 7 is enameled wire breakdown voltage test system first embodiment one enameled wire of test-types of the present invention
Figure.
Fig. 8 another signal when being enameled wire breakdown voltage test system first embodiment one enameled wire of test-types of the present invention
Figure.
Fig. 9 is the structure chart of enameled wire breakdown voltage test system second embodiment of the present invention.
Figure 10 is the structure chart of enameled wire breakdown voltage test system 3rd embodiment of the present invention.
Signal when Figure 11 is enameled wire breakdown voltage test system 3rd embodiment one enameled wire of test-types of the present invention
Figure.
Another schematic diagram when Figure 12 is enameled wire breakdown voltage test system 3rd embodiment one enameled wire of test-types.
Schematic diagram when Figure 13 is enameled wire breakdown voltage test system 3rd embodiment two enameled wire of test-types.
Figure 14 is the structure chart of enameled wire breakdown voltage test system fourth embodiment of the present invention.
The invention will be further described with reference to the accompanying drawings and embodiments.
Specific embodiment
Referring to Fig. 3, the section of one enameled wire of type is in flat, in the section of one enameled wire of type, one enamel-cover of type
Line includes two broadsides being oppositely arranged (a is existed) and two narrow sides (when b) being oppositely arranged, and the narrow side of one enameled wire of type is in arc
Shape is influenced by insulating layer continuity and coating processes, and there are most thin dielectric layers at the angle R for the narrow side of one enameled wire of type.
Referring to fig. 4, the cross sectional shape of two enameled wire of type is close to rectangle, in the section of two enameled wire of type, type two
Enameled wire includes two broadsides being oppositely arranged (a is existed) and two narrow sides being oppositely arranged (when b).Two enameled wire of type has everywhere
It is arc-shaped at the angle R, it is influenced by insulating layer continuity and coating processes, there is most thin insulating at the angle R of two enameled wire of type
Layer.
As shown in figure 5, when placing enameled wire sample 3, enameled wire sample 3 is in spiral shape, by 3 section of enameled wire sample
Narrow side is stood in the test position of test device, and wherein enameled wire sample 3 such as can also be in U-shape at the other shapes, is placing enameled wire examination
When sample 3, the shapes such as U-shaped increase relative to shapes such as linears with the contact area of test device, thus when making test, enamel-cover
Line is more firm.The both ends of enameled wire sample 3 along its length are respectively electric connecting terminal 31 and idle end 32, are placing enamel-cover
When line sample 3, the electric connecting terminal 31 and idle end 32 of enameled wire sample 3 are located at outside test device, i.e. enameled wire sample 3
Electric connecting terminal 31 supported without supporting element with idle end 32, prevent flashover.
Enameled wire breakdown voltage test system of the invention includes insulation placement plate 4, test suite 5 and voltage tester,
Test suite 5 includes plate-shaped conductive component 6, and test position 62 is provided on plate-shaped conductive component, and test position 62 is to be measured for placing
The enameled wire sample 3 of examination.The voltage output end connecting plate-shaped conductive component of voltage tester, the voltage input end of voltage tester
For connecting enameled wire sample 3.
Referring to Fig. 6, embodiment one: the plate-shaped conductive component 6 in enameled wire breakdown voltage test system of the invention includes
First conductive plate 61, the first conductive plate 61 are provided adjacent in insulation placement plate 4, and test position is provided on the first conductive plate 61
62, test position 62 is for placing enameled wire sample 3 to be tested.The voltage output end of voltage tester connects the first conductive plate
61, the electric connecting terminal 31 of the voltage input end connection enameled wire sample 3 of voltage tester.Referring to Fig. 7, so that enameled wire sample 3
Narrow side the angle R at contacted with the first conductive plate 61, thus voltage tester, the first conductive plate 61 and enameled wire sample 3 formation
One circuit, by the test number on voltage tester, most weak the resistance to of insulating layer of narrow side for obtaining enameled wire sample 3 is hit
Wear performance.
Plate-shaped conductive component 6 includes the first conductive sponge 63, and the setting of the first conductive sponge 63 is in the first conductive plate 61 far from insulation
On the side wall of the side of conductive plate 4, test position 62 is transferred on the first conductive sponge 63, referring to Fig. 8, in enameled wire sample 3 itself
It under the action of gravity, is fallen into conducting wire cotton 63 at the angle R of the narrow side of enameled wire sample 3, so that one enameled wire sample 3 of type is narrow
Side can complete to be coated by the first conductive sponge 63, so that exposure level is bigger, so that test effect is more preferable.
Embodiment two: referring to Fig. 9, plate-shaped conductive component in enameled wire breakdown voltage test system of the invention includes the
One conductive sponge 63, the first conductive sponge 63 are provided adjacent in insulation placement plate 4, and test position 62 is provided on the first conductive sponge 63,
Test position 62 is for placing enameled wire sample 3 to be tested.Relative to embodiment one, the first conductive sponge 63 is used in embodiment two
Instead of the first conductive plate 61.During the test, also as shown in figure 8, a wherein narrow side in one enameled wire sample of type, 3 section
It is coated by the first conductive sponge 63.Behind the section for completing one enameled wire sample 3 of type wherein the proof voltage test of a narrow side, by class
The overturning of one enameled wire sample 3 of type, starts the proof voltage energy of another narrow side in one enameled wire sample of test-types, 3 section.
Embodiment three: referring to Figure 10, enameled wire breakdown voltage test system of the invention includes insulation placement plate 4, test
Component 5 and voltage tester, test suite 5 include plate-shaped conductive component 6, switching switch 7, guidance set 8 and insulation pressure block
9, plate-shaped conductive component 6 includes the first conductive plate 61 and the second conductive plate 64.Guidance set 8 includes four eradication edge guide posts 81.
In the present embodiment, insulation placement plate 4 is in rectangle, and four eradication edge guide posts 81 are separately positioned on the horizontal plane of insulation placement plate 4
On, four eradication edge guide posts 81 respectively correspond four angles of insulation placement plate 4.First conductive plate 61 is provided adjacent in insulation discharge
It sets on plate 4, the top of the first guide plate 61 is arranged in the second conductive plate 64, and four insulation guide posts 81 are led also cross second
Battery plate 64, the second conductive plate 64 are moved along the extending direction of insulation guide post 81 towards the first conductive plate 61.First conductive plate 61
Test position 62 is provided between the second conductive plate 64, test position 62 is for placing enameled wire sample 3 to be tested.Voltage tester
The voltage output end of instrument and switching switch 7, the voltage output end of voltage tester by switch switch 7 respectively with the first conductive plate
61, the second conductive plate 64 connects, and the conductor in the voltage input end of voltage tester and the electric connecting terminal of enameled wire sample 3 connects
It connects.Switching device 7 is connect with the first conductive plate 61, the second conductive plate 64 respectively.During the test, enameled wire sample 3 is such as
It is placed on shown in Fig. 5 on test position, makes one narrow side point the first conductive plate 61 contact in the section of enameled wire sample 3, second leads
Battery plate 64 is moved along four eradication edge guide posts 81 towards test position 62, and the second conductive plate 64 compresses the enameled wire on test position 62
Sample 3, so that the second conductive plate 64 is also contacted with another narrow side in 3 section of enameled wire sample, referring to Figure 11, enameled wire sample 3
Between the first conductive plate 61 and the second conductive plate 64, and two narrow sides in 3 section of enameled wire sample are conductive with first respectively
Plate 61, the contact of the second conductive plate 64.Insulation pressure block 9 setting is in the second conductive plate 64, in the pressure effect of insulation pressure block 9
Under, the effect that the second conductive plate 64 squeezes enameled wire sample 3 is more preferable.During the test, the voltage output end of voltage tester
Connection switching switch 7, switching switch 7 first connect the first conductive plate 61, the voltage input end connection enameled wire examination of voltage tester
Sample 3 tests out paint at this point, voltage tester, switching switch 7, the first conductive plate 61 form a circuit with enameled wire sample 3
The breakdown voltage resistant numerical value of envelope curve sample 3 and the first conductive plate 61 contact one narrow side.When the connection second of switching switch 7 is conductive
When plate 64, voltage tester, switching switch 7, the second conductive plate 64 form a circuit with enameled wire sample, test out enameled wire
The breakdown voltage resistant numerical value for another narrow side that sample 3 is contacted with the second conductive plate 64.
Plate-shaped conductive component further includes the first conductive sponge 63 and the second conductive sponge 65, and the setting of the first conductive sponge 63 is led first
Battery plate 61 towards on the side wall of the side of the second conductive plate 64, leads in the second conductive plate 64 towards first by the setting of the second conductive sponge 65
On the side wall of the side of battery plate 61, thus during the test, in the pressure and the second conductive plate 64 itself weight of insulation pressure block 9
Under the action of power, referring to Figure 12, two narrow sides in one enameled wire sample of type, 3 section are recessed respectively in corresponding conductive sponge,
So that two narrow sides in 3 section of enameled wire sample are coated completely, the effect of test is more preferably more acurrate.Referring to Figure 13, type two is painted
Envelope curve is placed between the first conductive sponge 63 and the second conductive sponge 65, due to two enameled wire of type section shape close to square
Shape, when two enameled wire of type is squeezed by the first conductive sponge 63 and the second conductive sponge 65, the angle the R punishment of two enameled wire of type everywhere
It is not coated by the first conductive sponge 63 and the second conductive sponge 65, similarly, more preferably can more accurately test two enameled wire of type
Proof voltage numerical value at the angle R at most weak insulating layer everywhere.
Example IV: corresponding embodiment three, the enameled wire breakdown voltage test system packet referring to Figure 14, in example IV
Two insulation placement plates 4 are included, two conductive plates are removed, the first conductive sponge 63 and the second conductive sponge 65 are separately positioned on two absolutely
In edge placement plate 4, the test position 62 for placing enameled wire sample 3 is arranged between the first conductive sponge 63 and the second conductive sponge 65.Class
During the test, also as shown in figure 12, two narrow sides in one enameled wire sample of type, 3 section are by the first conductive sponge for one enameled wire of type
63 and second cladding completely of conductive sponge 65.During the test, also as shown in figure 13, two enameled wire of type is cut two enameled wire of type
Also by the first conductive sponge 63 and the second conductive sponge 65 cladding completely at the angle R everywhere in face.
Enameled wire breakdown voltage test method of the invention includes: that enameled wire sample is placed on enameled wire breakdown voltage to survey
Trial assembly is set, and enameled wire breakdown voltage test system is above-mentioned enameled wire breakdown voltage test system；Enameled wire breakdown voltage
Test method includes placing step and testing procedure, places step and includes:
Enameled wire is placed on test position；
The narrow side in the section of enameled wire contacts plate conductive component；
The both ends of enameled wire along its length are located at outside enameled wire breakdown voltage test system；
Testing procedure includes:
The voltage input end of the voltage output end connecting plate-shaped conductive component of voltage tester, voltage tester connects enamel-cover
The electric connecting terminal of line；
Start to test.
When placing enameled wire sample, the electric connecting terminal of enameled wire sample and unloaded section need to have enough length all testing
Outside device, flashover is prevented.
During the test, voltage tester is 50HZ~60HZ sinusoidal waveform alternating voltage using frequency, with
The rate of rise of 500V/s measures breakdown voltage, and the detection electric current of insulation breakdown is 1mA~5mA.Test is the condition in room temperature
Lower progress.If test sample in the following table under conditions of, breakdown in 5 seconds, then the rate of rise should reduce, can be according to
Below table content executes:
| Breakdown voltage (V) | The rate of rise (V/s) |
| 0~500 | 20 |
| 500~2500 | 100 |
| 2500 or more | 500 |
Experiment is compared below for different types of enameled wire:
Experimental example 1
Sample uses cross sectional shape are as follows: broadside is (side a) 1.00mm, and narrow side (side b) is 0.12mm, the semi arch R of narrow side
=2a/1, surface coat the flat enameled wire of type one of polyurethane (UE) class insulating layer.Test device is using in embodiment three
Test device, test method use test method of the invention.
Comparative example 1
Sample uses cross sectional shape are as follows: broadside is (side a) 1.00mm, and narrow side (side b) is 0.12mm, the semi arch R of narrow side
=2a/1, surface coat the flat enameled wire of type one of polyurethane (UE) class insulating layer.Test method is tested with steel ball method.
Test result is as follows:
As seen from the above table, it is tested, is obtained by the voltage breakdown that the test device of embodiment three carries out the enameled wire sample
Breakdown voltage value want low 300V~500V compared to the finally obtained breakdown voltage value of steel ball method.
Experimental example 2
Sample uses cross sectional shape are as follows: broadside is (side a) 1.00mm, and narrow side (side b) is 0.12mm, the semi arch R of narrow side
=2a/1, surface coat the flat enameled wire of type one of polyurethane (UE) class insulating layer.Test device is using in example IV
Test device, test method use test method of the invention.
Comparative example 2
Sample uses cross sectional shape are as follows: broadside is (side a) 1.00mm, and narrow side (side b) is 0.12mm, the semi arch R of narrow side
=2a/1, surface coat the flat enameled wire of type one of polyurethane (UE) class insulating layer.Test method is tested with steel ball method.
Test result is as follows:
As seen from the above table, it is tested, is obtained by the voltage breakdown that the test device of example IV carries out the enameled wire sample
Breakdown voltage value want low 500V~800V compared to the finally obtained breakdown voltage value of steel ball method.
Experimental example 3
Sample uses cross sectional shape are as follows: four fillet R=1/3a~6a, broadside are (side a) 1.00mm, and narrow side (side b) is
0.12mm, surface coat the flat enameled wire of type two of polyester-imide (EI) class insulating layer.Test device is using in embodiment three
Test device, test method use test method of the invention.
Comparative example 3
Sample uses cross sectional shape are as follows: four fillet R=1/3a~6a, broadside are (side a) 1.00mm, and narrow side (side b) is
0.12mm, surface coat the flat enameled wire of type two of polyester-imide (EI) class insulating layer.Test method is surveyed with steel ball method
Examination.
Test result is as follows:
As seen from the above table, it is tested, is obtained by the voltage breakdown that the test device of embodiment three carries out the enameled wire sample
Breakdown voltage value want low 500V~600V compared to the finally obtained breakdown voltage value of steel ball method.
Experimental example 4
Sample uses cross sectional shape are as follows: four fillet R=1/3a~6a, broadside are (side a) 1.00mm, and narrow side is
0.12mm, surface coat the flat enameled wire of type two of polyester-imide (EI) class insulating layer.Test device is using in example IV
Test device, test method use test method of the invention.
Comparative example 4
Sample uses cross sectional shape are as follows: four fillet R=1/3a~6a, broadside are (side a) 1.00mm, and narrow side is
0.12mm, surface coat the flat enameled wire of type two of polyester-imide (EI) class insulating layer.Test method is surveyed with steel ball method
Examination.
Test result is as follows:
As seen from the above table, it is tested, is obtained by the voltage breakdown that the test device of example IV carries out the enameled wire sample
Breakdown voltage value want low 700V~900V compared to the finally obtained breakdown voltage value of steel ball method.
Experimental example 5
Sample uses cross sectional shape are as follows: four fillet R=1/3a~6a, broadside (side a) are 0.21mm, and narrow side is
0.12mm, surface coat the flat enameled wire of type two of polyester-imide (EI) class insulating layer.Test device is using in embodiment three
Test device, test method use test method of the invention.
Comparative example 5
Sample uses cross sectional shape are as follows: four fillet R=1/3a~6a, broadside (side a) are 0.21mm, and narrow side is
0.12mm, surface coat the flat enameled wire of type two of polyester-imide (EI) class insulating layer.Test method is surveyed with steel ball method
Examination.
Test result is as follows:
As seen from the above table, it is tested, is obtained by the voltage breakdown that the test device of embodiment three carries out the enameled wire sample
Breakdown voltage value want low 300V~400V compared to the finally obtained breakdown voltage value of steel ball method.
Experimental example 6
Sample uses cross sectional shape are as follows: four fillet R=1/3a~6a, broadside (side a) are 0.21mm, and narrow side is
0.12mm, surface coat the flat enameled wire of type two of polyester-imide (EI) class insulating layer.Test device is using in example IV
Test device, test method use test method of the invention.
Comparative example 6
Sample uses cross sectional shape are as follows: four fillet R=1/3a~6a, broadside (side a) are 0.21mm, and narrow side is
0.12mm, surface coat the flat enameled wire of type two of polyester-imide (EI) class insulating layer.Test method is surveyed with steel ball method
Examination.
Test result is as follows:
As seen from the above table, it is tested, is obtained by the voltage breakdown that the test device of embodiment three carries out the enameled wire sample
Breakdown voltage value want low 400V~600V compared to the finally obtained breakdown voltage value of steel ball method.
By the above test result it is found that the test device in through the invention in each embodiment carries out voltage breakdown test,
Obtained voltage breakdown numerical value is lower than the voltage breakdown numerical value that steel ball method obtains, and more accurately obtains the minimum of enameled wire
The voltage breakdown value of receiving, accurately reflects enameled wire performance, brings safety guarantee for subsequent use.
Finally it is emphasized that the above description is only a preferred embodiment of the present invention, it is not intended to restrict the invention, it is right
For those skilled in the art, the present invention can have various change and change, all within the spirits and principles of the present invention,
Any modification, equivalent substitution, improvement and etc. done, should all be included in the protection scope of the present invention.
Claims (10)
1. enameled wire breakdown voltage test system characterized by comprising
Insulate placement plate；
Test suite, the test suite are arranged in the insulation placement plate, and the test suite includes plate-shaped conductive component,
Test position is provided on the plate-shaped conductive component, the test position is for placing enameled wire to be tested；
The voltage output end of voltage tester, the voltage tester connects the plate-shaped conductive component, the voltage tester
Voltage input end for connecting the enameled wire.
2. enameled wire breakdown voltage test system according to claim 1, it is characterised in that:
The plate-shaped conductive component includes the first conductive plate, and the test position is arranged on first conductive plate, and described first
Conductive plate abuts against in the insulation placement plate.
3. enameled wire breakdown voltage test system according to claim 2, it is characterised in that:
The plate-shaped conductive component includes the first conductive sponge, and the first conductive sponge setting is in first conductive plate far from described
On the side wall of the side for the placement plate that insulate.
4. according to the described in any item enameled wire breakdown voltage test systems of Claims 2 or 3, it is characterised in that:
The test suite includes switching switch, and the plate-shaped conductive component includes the second conductive plate, and second conductive plate is set
It sets in the top of first conductive plate, second conductive plate can be mobile towards first conductive plate, the switching switch
It is connect respectively with first conductive plate, second conductive plate, the test position is located at first conductive plate and described the
Between two conductive plates.
5. enameled wire breakdown voltage test system according to claim 4, it is characterised in that:
The plate-shaped conductive component includes the second conductive sponge, and the second conductive sponge setting is in second conductive plate described in
On the side wall of the side of first conductive plate.
6. enameled wire breakdown voltage test system according to claim 4, it is characterised in that:
The test suite further includes guidance set, and the guidance set includes at least two eradication edge guide posts, and the insulation is led
It is separately positioned in the insulation placement plate to column, two insulation guide posts are located at the level of the insulation placement plate
Face it is not ipsilateral on, the insulation guide post runs through second conductive plate simultaneously.
7. enameled wire breakdown voltage test system according to claim 4, it is characterised in that:
The test suite includes insulation pressure-testing block, and the insulation pressure-testing block is arranged on second conductive plate.
8. enameled wire breakdown voltage test system according to claim 1, it is characterised in that:
The plate guidance set includes the first conductive sponge, and first conductive sponge abuts against in the insulation placement plate.
9. enameled wire breakdown voltage test system according to claim 8, it is characterised in that:
The plate guidance set includes the second conductive sponge, and the test suite includes switching device, and the second guiding cotton sets
It sets in the top of the first guiding cotton, the test position is between the first conductive sponge and second conductive sponge, and described the
Two conductive sponge can be mobile towards first conductive sponge, and the switching device is led with first conductive sponge, described second respectively
It is connected to cotton.
10. enameled wire breakdown voltage test method, it is characterised in that: enameled wire sample is placed on the test of enameled wire breakdown voltage
On device, the enameled wire breakdown voltage test system is the described in any item enameled wire breakdown voltage tests of claim 1 to 9
Device；The enameled wire breakdown voltage test method includes placing step and testing procedure,
The placement step includes:
The enameled wire is placed on the test position；
The narrow side in the section of the enameled wire contacts the plate-shaped conductive component；
The both ends of the enameled wire are located at outside the enameled wire breakdown voltage test system；
The testing procedure includes:
The voltage output end of the voltage tester connects the plate-shaped conductive component, the voltage input end of the voltage tester
Connect the electric connecting terminal of the enameled wire；
Start to test.
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| CN201910133153.6A CN109828190A (en) | 2019-02-22 | 2019-02-22 | Enameled wire breakdown voltage test system and test method |
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| CN201910133153.6A CN109828190A (en) | 2019-02-22 | 2019-02-22 | Enameled wire breakdown voltage test system and test method |
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| CN109828190A true CN109828190A (en) | 2019-05-31 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112798910A (en) * | 2020-12-29 | 2021-05-14 | 珠海格力电工有限公司 | Enameled wire breakdown voltage detection method |
| CN113984888A (en) * | 2021-11-23 | 2022-01-28 | 远东电缆有限公司 | Method and device for testing bending property of polypropylene high polymer material |
| CN114002616A (en) * | 2020-07-28 | 2022-02-01 | 兴城科技股份有限公司 | Capacitance test system and adjustable micro-short voltage drop generating device |
| CN114137259A (en) * | 2021-11-25 | 2022-03-04 | 经续检验技术(东莞)有限公司 | Steel ball type insulation strength cyclic detection equipment, detection system and detection method |
| CN115616360A (en) * | 2022-10-28 | 2023-01-17 | 天蔚蓝电驱动科技(江苏)有限公司 | Method and device for detecting insulating property of stator slot part |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10330330A1 (en) * | 2003-07-04 | 2005-02-03 | European Advanced Superconductors Gmbh & Co. Gk | Superconducting flat cable insulation test procedure rolls cable with one side against conducting spool and applies high voltage whilst unreeling to locate fault |
| CN202916397U (en) * | 2012-11-16 | 2013-05-01 | 佛山市顺德区禾惠电子有限公司 | Device for voltage-resistant spark test of FFC wire |
| CN206209059U (en) * | 2016-12-05 | 2017-05-31 | 深圳市中宇恒通电热科技有限公司 | Full conductive sponge packaging type pressure-resistant testing machine |
| CN207148270U (en) * | 2017-08-22 | 2018-03-27 | 湖北宏浩泰科技有限公司 | One kind insulation spraying Hi-pot test frock |
| CN207366690U (en) * | 2017-11-13 | 2018-05-15 | 上海恩捷新材料科技股份有限公司 | A kind of device for testing membrane breakdown voltage |
| CN207965035U (en) * | 2018-02-05 | 2018-10-12 | 浙江衡远新能源科技有限公司 | A kind of insulation testing mechanism |
| CN208297663U (en) * | 2018-06-26 | 2018-12-28 | 苏州金浩宇线缆有限公司 | A kind of pressure tester for wire and cable |
| CN209784479U (en) * | 2019-02-22 | 2019-12-13 | 珠海高赢电子科技有限公司 | enameled wire breakdown voltage testing device |
-
2019
- 2019-02-22 CN CN201910133153.6A patent/CN109828190A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10330330A1 (en) * | 2003-07-04 | 2005-02-03 | European Advanced Superconductors Gmbh & Co. Gk | Superconducting flat cable insulation test procedure rolls cable with one side against conducting spool and applies high voltage whilst unreeling to locate fault |
| CN202916397U (en) * | 2012-11-16 | 2013-05-01 | 佛山市顺德区禾惠电子有限公司 | Device for voltage-resistant spark test of FFC wire |
| CN206209059U (en) * | 2016-12-05 | 2017-05-31 | 深圳市中宇恒通电热科技有限公司 | Full conductive sponge packaging type pressure-resistant testing machine |
| CN207148270U (en) * | 2017-08-22 | 2018-03-27 | 湖北宏浩泰科技有限公司 | One kind insulation spraying Hi-pot test frock |
| CN207366690U (en) * | 2017-11-13 | 2018-05-15 | 上海恩捷新材料科技股份有限公司 | A kind of device for testing membrane breakdown voltage |
| CN207965035U (en) * | 2018-02-05 | 2018-10-12 | 浙江衡远新能源科技有限公司 | A kind of insulation testing mechanism |
| CN208297663U (en) * | 2018-06-26 | 2018-12-28 | 苏州金浩宇线缆有限公司 | A kind of pressure tester for wire and cable |
| CN209784479U (en) * | 2019-02-22 | 2019-12-13 | 珠海高赢电子科技有限公司 | enameled wire breakdown voltage testing device |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114002616A (en) * | 2020-07-28 | 2022-02-01 | 兴城科技股份有限公司 | Capacitance test system and adjustable micro-short voltage drop generating device |
| CN112798910A (en) * | 2020-12-29 | 2021-05-14 | 珠海格力电工有限公司 | Enameled wire breakdown voltage detection method |
| CN113984888A (en) * | 2021-11-23 | 2022-01-28 | 远东电缆有限公司 | Method and device for testing bending property of polypropylene high polymer material |
| CN113984888B (en) * | 2021-11-23 | 2023-12-19 | 远东电缆有限公司 | Bending performance test method and device for polypropylene high polymer material |
| CN114137259A (en) * | 2021-11-25 | 2022-03-04 | 经续检验技术(东莞)有限公司 | Steel ball type insulation strength cyclic detection equipment, detection system and detection method |
| CN114137259B (en) * | 2021-11-25 | 2024-04-02 | 经续检验技术(东莞)有限公司 | Steel ball type insulation strength circulating detection equipment, detection system and detection method |
| CN115616360A (en) * | 2022-10-28 | 2023-01-17 | 天蔚蓝电驱动科技(江苏)有限公司 | Method and device for detecting insulating property of stator slot part |
| CN115616360B (en) * | 2022-10-28 | 2023-10-31 | 天蔚蓝电驱动科技(江苏)有限公司 | Method and device for detecting insulation performance of stator groove |
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Effective date of registration: 20230410 Address after: Room 2107, Oxford Mansion, No. 1001 Fenghuang North Road, Xiangzhou District, Zhuhai City, Guangdong Province, 519000 Applicant after: Pan Chaobin Address before: 519000 Nanping Hi-tech Industrial Park, Zhuhai City, Guangdong Province, No. 11, Pingbei Road, BA8631 Applicant before: ZHUHAI GAOYING ELECTRONIC TECHNOLOGY Co.,Ltd. |