CN104062320A - Motor coil exposed surface insulating layer damage detection device and detection method - Google Patents
Motor coil exposed surface insulating layer damage detection device and detection method Download PDFInfo
- Publication number
- CN104062320A CN104062320A CN201410090569.1A CN201410090569A CN104062320A CN 104062320 A CN104062320 A CN 104062320A CN 201410090569 A CN201410090569 A CN 201410090569A CN 104062320 A CN104062320 A CN 104062320A
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- motor coil
- exposed surface
- bristle tuft
- insulation course
- detection device
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- 238000001514 detection method Methods 0.000 title claims abstract description 58
- 238000000034 method Methods 0.000 claims abstract description 12
- 238000009413 insulation Methods 0.000 claims description 43
- 238000010892 electric spark Methods 0.000 claims description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 11
- 238000012360 testing method Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000003321 amplification Effects 0.000 description 2
- 230000001680 brushing effect Effects 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000009527 percussion Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The invention relates to a motor detection device and a detection method and provides a motor coil exposed surface insulating layer damage detection device which includes a detection power supply. One end of the detection power supply is connected to one end of a first wire and the other end of the detection power supply is connected to one end of a second wire. A conductive brush bundle is connected to the other end of the second wire. During a detection process, a motor coil terminal is connected to one end of the detection power supply and the brush bundle brushes an exposed surface of a motor coil. When a spark is found through observation for determining whether the spark is generated, damage is proved to be existed. The invention provides a motor coil exposed surface insulating layer damage detection device and a detection method. By means of the detection device and the detection method, it can be conveniently detected whether damage exists on a motor coil exposed surface insulating layer. Problems of inconvenient detection and a high misdetection rate during observation, which is carried out directly through eyes, for determining whether damage exists on the motor coil exposed surface insulating layer are solved.
Description
Technical field
The present invention relates to motor test equipment and detection method, relate in particular to a kind of motor coil exposed surface insulation course damage detection device and detection method.
Background technology
Motor is commonly called as " motor ", refers to a kind of calutron of realizing electric energy conversion or transmit according to the law of electromagnetic induction.Be 93231403 in China Patent No., Granted publication day be Mays 11 nineteen ninety-five day, be called in the patent documentation of " motor " and disclose a kind of motor.The structure of motor is as disclosed in this patent, comprise shell, be fixed on the stator in shell and be positioned at the rotor of stator, stator is made up of iron core and the motor coil (claiming again machine winding coil) that is arranged in iron core.The existing detection to motor coil mainly contains following several: 1, direct current resistance: the DC impedance of test coil and impedance balance degree; 2, withstand voltage: the proof voltage ability between test coil and iron core; 3, insulation resistance: the insulation resistance between test coil and iron core, to determine the insulating property of coil; 4, coil pulse is impacted: whether the insulating property in testing of electric motors coil between each circle coil, between alternate coil and enameled wire exist breakage, pin hole and enamel-cover to cross the problems such as thin; 5, rotation direction: testing of electric motors rotating magnetic field direction.It is therefore existing that to insulating motor coil layer, whether breakage is tested by coil pulse percussion mechanism.Be 2012205049650 in China Patent No., Granted publication day is that the patent document that May 1 in 2013, day, were called " a kind of device that carries out motor coil pulse shock detection under vacuum state " discloses a kind of damage state based device of magnetic test coil that can be used for.
The existing device that breakage detects to coil can only detect the damaged situation (be in coil between each circle coil, between alternate coil, between coil and iron core) of the non-exposed part of coil, and do not measure for the whether damaged inspection of insulation course of coil exposed part surface (hereinafter referred to as motor coil exposed surface), when but coil exposed part insulation course produces breakage, after motor coil is installed in motor housing, the damaged part of motor coil exposed surface may affect with adjacent component generation contacts such as motor housings electric property and the security of motor.Existing detection motor coil exposed surface insulation course whether damaged method for observing by estimating; but because coil is that copper wire is made; and the color of copper wire is very approaching with the color of insulation course, effort but also often can not find that damaged part, especially damaged area are hour while therefore not only detection.
Summary of the invention
The invention provides a kind of motor coil exposed surface insulation course that can detect easily and whether produce damaged motor coil exposed surface insulation course damage detection device and detection method, solved and directly observed motor coil exposed surface insulation course by eyes and whether produce the existing detection effort of damaged method and the high problem of loss.
Above technical matters solves by following technical proposal: a kind of motor coil exposed surface insulation course damage detection device, comprise detection power supply, one end of described detection power supply connects one end of the first wire, and the other end of described detection power supply connects one end of the second wire, the other end of described the second wire is connected with the bristle tuft of conduction.When use, after being removed to insulation course (for insullac), motor coil termination links together with the first wire electric conductivity, open detection power supply, then remove to brush motor coil exposed surface by bristle tuft, if motor coil exposed surface has disrepair phenomenon, when the bristle in bristle tuft was touched breaking point, there will be spark, whether have spark to gush out by observation and judged whether breakage.Owing to removing to sweep motor coil exposed surface by the bristle tuft of conduction, the breaking point that area is little also can find, can detect several times, so almost can not produce undetected phenomenon by many brushes back and forth; Go to judge whether breakage by spark, laborsaving when observation.
As preferably, the other end of described the first wire is connected with conductive clip, and described conductive clip comprises a pair of intermediate plate that can automatically close up, and described intermediate plate is provided with clamping face.When use, be clamped on motor coil termination and realize motor coil with the connection that detects power supply by conductive clip.Improve the convenience while connection.
As preferably, described clamping face is provided with wing.When use, motor coil termination that insulation course is not scraped off is clamped in conductive clip and with wing to be contacted, be parallel to perpendicular to the direction of the plane of conductive clip folding direction and pull motor coil termination by edge, when move motor coil termination, insulation course is wiped off by wing and exposed, thereby realizes the electric conductivity contact of motor coil termination with conductive clip.Convenience while having improved the insulation course divesting on motor coil termination.
As preferably, the cutting edge of the wing on the intermediate plate clamping face on another intermediate plate that tilts.Convenient while not only peelling off the insulation course of motor coil termination; And pull motor coil termination and peel off in the process of insulation course, the power that pulls the power of motor coil termination can make a pair of intermediate plate produce to be clamped on motor coil termination, prevent that without external force conductive clip from opening, thereby improved the convenience while peelling off insulation course.
As preferably, described clamping face is provided with some stopper slots.Can improve the clamping effect of conductive clip to motor coil termination, make the connection reliability between conductive clip and motor coil termination good, connection reliability well can improve the accuracy of testing result.
The present invention also comprises the enlarging lens with described bristle tuft alignment.When use, see through enlarging lens and remove to observe spark, spark is had to amplification, make that damaged area is little or detection time is of short duration and cause the spark that produces hour also can be found, thereby play the accuracy that improves while detection and the effect of precision.
The present invention also comprises brace table, and described brace table is provided with motor coil swivel mount and bristle tuft fixed mechanism.When use, motor coil is fixed on motor coil swivel mount, carrys out rotary electric machine coil to change the position of motor coil with bristle tuft by motor coil swivel mount, play the effect that improves the convenience while detection.
As preferably, described brace table is also provided with darkroom, and described motor coil swivel mount and bristle tuft fixed mechanism are all positioned at described darkroom, and described darkroom is provided with the view window towards described bristle tuft.Darkroom is set, spark brightness hour also can be observed, thereby play the accuracy that improves while detection and the effect of precision.
The damaged detection method of a kind of motor coil exposed surface insulation course, is characterized in that,
The first step, the end of a thread of motor coil is linked together with detecting one end electric conductivity of power supply;
Second step, by the bristle tuft brush motor coil exposed surface with detecting the conduction that the other end electric conductivity of power supply links together;
The 3rd step, in the process with bristle tuft brush motor coil exposed surface, observe between bristle tuft and motor coil whether produce electric spark, if produce electric spark, represent that motor coil exposed surface insulation course has breakage.
As preferably, in second step, pass through bristle tuft fixed mechanism stationary brush pieces, by motor coil swivel mount fixed electrical machinery coil and the position that motor coil is rotated change the same bristle tuft of motor coil to contact, motor coil and bristle tuft are all arranged in darkroom, darkroom is provided with view window, and view window is provided with the enlarging lens of same bristle tuft alignment; In the 3rd step, observe whether produce electric spark by enlarging lens.
The present invention has following advantage: the bristle tuft by conduction is removed inswept motor coil exposed surface, and breaking point hour also can touch and produce spark phenomenon with bristle, can reduce loss; Go to judge whether breakage by spark, laborsaving when observation.
Brief description of the drawings
Fig. 1 is the schematic diagram of the pick-up unit in the embodiment of the present invention one.
Fig. 2 is the use view of the pick-up unit in the embodiment of the present invention one.
Fig. 3 is the schematic diagram of the pick-up unit in the embodiment of the present invention two.
Fig. 4 is the perspective view of the amplification of the conductive clip in the embodiment of the present invention two.
Fig. 5 is the use view of the pick-up unit in the embodiment of the present invention two.
Fig. 6 is the schematic diagram while removing to divest the insulation course of motor coil termination by the conductive clip in embodiment bis-.
In figure: detect power supply 1, the first wire 11, the second wire 12, conductive clip 2, a pair of intermediate plate 21, the first intermediate plate 21-1, the second intermediate plate 21-2, hinge 22, clamping face 23, stopper slot 231, wing 232, the cutting edge 2321 of wing, handle 24, bristle tuft 3, motor coil 4, motor coil termination 41, motor coil exposed surface 42, iron core 43, brace table 5, darkroom 51, view window 511, motor coil swivel mount 52, base plate 521, reference column 522, motor 523, bristle tuft fixed mechanism 53, enlarging lens 54.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the present invention is further illustrated.
Embodiment mono-, referring to Fig. 1, a kind of motor coil exposed surface insulation course damage detection device, comprises and detects power supply 1, conductive clip 2 and bristle tuft 3.
Conductive clip 2 is connected to one end of detecting power supply 1 by the first wire 11.Conductive clip 2 comprises a pair of intermediate plate 21.Two intermediate plates in a pair of intermediate plate 21 are respectively the first intermediate plate 21-1 and the second intermediate plate 21-2.The middle part of the first intermediate plate 21-1 and the second intermediate plate 21-2 is hinged by hinge 22.One end of two intermediate plates in a pair of intermediate plate 21 is provided with clamping face 23, the other end is provided with handle 24.Clamping face 23 is provided with some stopper slots 231.
Conductive clip 2 also comprises that the clamping face 23 making in the first intermediate plate 21-1 and the second intermediate plate 21-2 is close together the co-clip spring (not drawing in figure) of (even if clip closes up).Co-clip spring is torsion spring and is set on hinge 22.Certainly by making a pair of intermediate plate link together and realize and can automatically close up also and be fine with the mode elasticity of integrative-structure.
Bristle in bristle tuft 3 is made by conductive material.Bristle tuft 3 links together with the other end electric conductivity that detects power supply 1 by the second wire 12.
By the above-mentioned motor coil exposed surface insulation course damage detection device method that breakage detects to motor coil exposed surface insulation course be:
Referring to Fig. 2, motor coil 4 is mounted on iron core 43, and motor coil 4 is provided with motor coil termination 41.
The first step, insulation course on motor coil termination 41 is removed to part, the handle 24 pushing on the first intermediate plate 21-1 and the second intermediate plate 21-2 by subtend opens conductive clip 2, the part that the insulation course of motor coil termination 41 has been got rid of makes motor coil termination 41 between the first intermediate plate 21-1 and the second intermediate plate 21-2 towards the mode of clamping face 23, unclamp the chip hold down to handle 24, the first intermediate plate 21-1 automatically closes up with the second intermediate plate 21-2 and is clamped on motor coil termination 41 and contacts with the part that the insulation course of motor coil termination 41 has been got rid of, thereby realize the electrical connection of the same detection power supply 1 of coil end 41.
Second step, open detection power supply 1, then brushing motor coil exposed surface 42(by bristle tuft 3 is the surface that motor coil 4 is positioned at the part of stator 43 outsides).Accuracy while detection in order to improve, bristle tuft 3 is brushed motor coil exposed surface 42 by reciprocal back and forth mode, the same position of motor coil exposed surface 42 is at least brushed to (be respectively called once for one and one time, backwash is once to brush twice) twice in a mode of having a try.
The 3rd step, in the process of brushing motor coil exposed surface 42 by bristle tuft 3, observe between bristle tuft 3 and motor coil 4 whether produce electric spark, if produce electric spark, represent that motor coil exposed surface 42 insulation courses have breakage.
Embodiment bis-, pick-up unit with the difference of embodiment mono-is:
Referring to Fig. 3, be also provided with brace table 5.Brace table 5 is provided with darkroom 51.Darkroom 51 is hood-like structure.Darkroom 51 is to be directly shelved on brace table 5, can certainly be designed to be fixed together and be provided with door version.Brace table 5 is also provided with motor coil swivel mount 52 and bristle tuft fixed mechanism 53.Bristle tuft 3 is fixed on (bristle tuft 3 is still electrically connected with detection power supply 1 by the second wire 12) on bristle tuft fixed mechanism 53.Bristle tuft fixed mechanism 53 is connected in the inside in darkroom 51 by universal joint.By universal joint connect can make bristle tuft 3 towards regulating.Bristle tuft 2 is positioned at the upper end in darkroom 51.Darkroom 51 is provided with the view window 511 towards bristle tuft 3.View window 511 is provided with the enlarging lens 54 of same bristle tuft alignment.Prop up motor coil swivel mount 52 and comprise base plate 521.Base plate 521 is provided with reference column 522.Base plate 521 is provided with magnet.Base plate 521 is supported on brace table 5 by motor 523.Motor coil swivel mount 52 is positioned at darkroom 51.In this section towards all referring to alignment the meaning that can observe bristle tuft through view window.
Referring to Fig. 4, clamping face 23 is provided with wing 232.The tilt cutting edge 2321 of the wing on clamping face 23, the second intermediate plate 22-1 of the second intermediate plate 21-2 of the cutting edge 2321 of the wing on the first intermediate plate 21-1 tilts towards the clamping face 23 of the first intermediate plate 21-1.Wing 232 is arranged in the one end (being also the one end at the place, articulated section of two intermediate plates of the wing 232 close a pair of intermediate plate that is positioned at clamping face 23) at close hinge 22 places of clamping face 23, the beneficial effect of this design is: even if draw the power (hereinafter referred to as distraction force) that the first intermediate plate 21-1 and the second intermediate plate 21-2 are separated of producing in the process of coil end, the moment that conductive clip is separated that distraction force produces little, thereby the convenience while making motor coil termination divest insulation course is good and laborsaving.
Pick-up unit with the difference of embodiment mono-is:
Referring to Fig. 5, in second step by motor coil swivel mount 52 fixed electrical machinery coils 4 and the position that motor coil is rotated change the same bristle tuft 3 of motor coil to contact.Specific operation process is: motor coil 4 being set on reference column 522 and being shelved on base plate 521 (is between base plate and the hypomere of motor coil 4, to have drawn gap in order to see reference column 522 in figure, actually do not have), by the magnet on base plate 521, motor coil 4 is adsorbed and fixed, the position of adjusting bristle tuft 3 makes bristle tuft 3 contact with bristle tuft 3 with the part that is positioned at iron core 43 tops in motor coil exposed surface 42.Darkroom 51 is covered on motor coil 4.Make the square rotation of motor 523, realize bristle tuft 3 and can brush each position that is positioned at the part of iron core 43 tops in motor coil exposed surface 42.In the 3rd step, observe whether produce spark by enlarging lens 54.
Motor coil 4 is turned around along the vertical direction, complete the detection of the part to being positioned at iron core 43 belows in motor coil exposed surface 42 by aforesaid method.
Referring to Fig. 6, the method of removing the insulation course on motor coil termination in the first step is: make motor coil termination 41 between the first intermediate plate 21-1 and the wing 232 of 21-2, when clip closes up automatically, two wings 232 are clamped on motor coil termination 41, then along A in figure to drawing motor coil termination 41, the cutting edge 2321 of wing divests the insulation course on motor coil termination 41.After divesting, can keep motor coil termination 41 constant in current location, also can move in the part that is provided with stopper slot 231 in clamping face 23.If when detection voltage is higher, take to be arranged in the part that is provided with stopper slot 231 of clamping face 23, be not easy like this to burn out the cutting edge 2321 of wing, make the cutting edge 2321 of wing to keep for a long time sharp.
Claims (10)
1. a motor coil exposed surface insulation course damage detection device, it is characterized in that, comprise detection power supply, one end of described detection power supply connects one end of the first wire, and the other end of described detection power supply connects one end of the second wire, the other end of described the second wire is connected with the bristle tuft of conduction.
2. motor coil exposed surface insulation course damage detection device according to claim 1, is characterized in that, the other end of described the first wire is connected with conductive clip, and described conductive clip comprises a pair of intermediate plate that can automatically close up, and described intermediate plate is provided with clamping face.
3. motor coil exposed surface insulation course damage detection device according to claim 2, is characterized in that, described clamping face is provided with wing.
4. motor coil exposed surface insulation course damage detection device according to claim 3, is characterized in that, the cutting edge of the wing on the intermediate plate clamping face on another intermediate plate that tilts.
5. according to the motor coil exposed surface insulation course damage detection device described in claim 2 or 3 or 4, it is characterized in that, described clamping face is provided with some stopper slots.
6. according to the motor coil exposed surface insulation course damage detection device described in claim 1 or 2 or 3 or 4, it is characterized in that, also comprise the enlarging lens with described bristle tuft alignment.
7. according to the motor coil exposed surface insulation course damage detection device described in claim 1 or 2 or 3 or 4, it is characterized in that, also comprise brace table, described brace table is provided with motor coil swivel mount and bristle tuft fixed mechanism.
8. motor coil exposed surface insulation course damage detection device according to claim 7, it is characterized in that, described brace table is also provided with darkroom, and described motor coil swivel mount and bristle tuft fixed mechanism are all positioned at described darkroom, and described darkroom is provided with the view window towards described bristle tuft.
9. the damaged detection method of motor coil exposed surface insulation course, is characterized in that,
The first step, the end of a thread of motor coil is linked together with detecting one end electric conductivity of power supply;
Second step, by the bristle tuft brush motor coil exposed surface with detecting the conduction that the other end electric conductivity of power supply links together;
The 3rd step, in the process with bristle tuft brush motor coil exposed surface, observe between bristle tuft and motor coil whether produce electric spark, if produce electric spark, represent that motor coil exposed surface insulation course has breakage.
10. the damaged detection method of motor coil exposed surface insulation course according to claim 9, it is characterized in that, in second step, pass through bristle tuft fixed mechanism stationary brush pieces, by motor coil swivel mount fixed electrical machinery coil and the position that motor coil is rotated change the same bristle tuft of motor coil to contact, motor coil and bristle tuft are all arranged in darkroom, darkroom is provided with view window, and view window is provided with the enlarging lens of same bristle tuft alignment; In the 3rd step, observe whether produce electric spark by enlarging lens.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410090569.1A CN104062320B (en) | 2014-03-13 | 2014-03-13 | Motor coil exposed surface insulating barrier damage detection device and detection method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410090569.1A CN104062320B (en) | 2014-03-13 | 2014-03-13 | Motor coil exposed surface insulating barrier damage detection device and detection method |
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| CN104062320A true CN104062320A (en) | 2014-09-24 |
| CN104062320B CN104062320B (en) | 2016-11-23 |
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| CN104111275A (en) * | 2014-04-16 | 2014-10-22 | 衢州兰玲机电科技有限公司 | Coil exposed surface insulation layer damage detection device and detection method |
| CN106887932A (en) * | 2017-05-05 | 2017-06-23 | 深圳市立昌机电设备有限公司 | A kind of rotor coiling equipment |
| CN106961193A (en) * | 2017-05-04 | 2017-07-18 | 深圳市立昌机电设备有限公司 | A kind of motor rotor Winder |
| WO2018201389A1 (en) * | 2017-05-04 | 2018-11-08 | 深圳市立昌机电设备有限公司 | Motor rotor winding apparatus |
| WO2018201419A1 (en) * | 2017-05-05 | 2018-11-08 | 深圳市立昌机电设备有限公司 | Coil winding apparatus for motor rotor |
| CN109975677A (en) * | 2019-04-24 | 2019-07-05 | 杭州富生电器有限公司 | A kind of yarn detection device of motor stator |
| CN113671413A (en) * | 2021-10-21 | 2021-11-19 | 常州明玥辉光电照明科技有限公司 | Coil insulation layer detection device applied to motor coil |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104111275A (en) * | 2014-04-16 | 2014-10-22 | 衢州兰玲机电科技有限公司 | Coil exposed surface insulation layer damage detection device and detection method |
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| CN109975677A (en) * | 2019-04-24 | 2019-07-05 | 杭州富生电器有限公司 | A kind of yarn detection device of motor stator |
| CN109975677B (en) * | 2019-04-24 | 2024-02-23 | 杭州富生电器有限公司 | Wire detection device of motor stator |
| CN113671413A (en) * | 2021-10-21 | 2021-11-19 | 常州明玥辉光电照明科技有限公司 | Coil insulation layer detection device applied to motor coil |
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