CN104062320B - Motor coil exposed surface insulating barrier damage detection device and detection method - Google Patents
Motor coil exposed surface insulating barrier damage detection device and detection method Download PDFInfo
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- CN104062320B CN104062320B CN201410090569.1A CN201410090569A CN104062320B CN 104062320 B CN104062320 B CN 104062320B CN 201410090569 A CN201410090569 A CN 201410090569A CN 104062320 B CN104062320 B CN 104062320B
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Abstract
The present invention relates to motor test equipment and detection method.A kind of motor coil exposed surface insulating barrier damage detection device, including 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 second wire connects the bristle tuft having conduction.Make motor coil termination link together with detection power supply one end during detection, by bristle tuft brush motor coil exposed surface, seeing whether to produce spark, if producing spark, representing damaged.The invention provides a kind of motor coil exposed surface insulating barrier damage detection device and detection method that can detect whether motor coil exposed surface insulating barrier produces breakage easily, solve and directly observe whether motor coil exposed surface insulating barrier produces the problem that detection is laborious and loss is high existing for damaged method by eyes.
Description
Technical field
The present invention relates to motor test equipment and detection method, particularly relate to a kind of motor coil exposed surface insulating barrier damage detection device and detection method.
Background technology
Motor is commonly called as " motor ", refers to realize electric energy conversion or a kind of calutron of transmission according to the law of electromagnetic induction.China Patent No. be 93231403, authorized announcement date be May 11 nineteen ninety-five, entitled " motor " patent documentation in disclose a kind of motor.The structure of motor includes shell, the stator being fixed in shell as disclosed in this patent and is positioned at the rotor of stator, and stator is made up of iron core and installation motor coil (also known as machine winding coil) in the core.The existing detection to motor coil mainly has following several: 1, D.C. resistance: the DC impedance of test coil and impedance balance degree；2, pressure: 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 properties of coil；4, coil pulse impact: in testing of electric motors coil, whether insulating properties and enamel-covered wire between each circle coil, between alternate coil exist breakage, pin hole and enamel-cover and cross the problems such as thin；5, rotation direction: testing of electric motors rotating excitation field direction.It is the most existing that to insulating motor coil layer, whether breakage is tested by coil pulse percussion mechanism.China Patent No. be 2012205049650, authorized announcement date be that on May 1st, 2013, the patent document of entitled " a kind of device carrying out motor coil pulse shock detection under vacuum conditions " i.e. disclose a kind of device that can be used for detecting coil breakage state.
The existing device detecting coil breakage can only detect the breakage (i.e. in coil between each circle coil, between alternate coil, between coil and iron core) of the non-exposed part of coil, and the most damaged inspection of insulating barrier for coil exposed part surface (hereinafter referred to as motor coil exposed surface) does not measures, when but coil exposed part insulating barrier produces damaged, after being installed in motor housing by motor coil, the damaged part of motor coil exposed surface may produce contact with adjacent components such as motor housings and affect electric property and the safety of motor.Whether damaged existing detection motor coil exposed surface insulating barrier method for observing by estimating; but owing to coil is that copper wire is made; and the color of copper wire is sufficiently close to the color of insulating barrier, the most not only arduously but also often can not find during detection when damaged part, especially damaged area are less.
Summary of the invention
The invention provides a kind of motor coil exposed surface insulating barrier damage detection device and detection method that can detect whether motor coil exposed surface insulating barrier produces breakage easily, solve and directly observe whether motor coil exposed surface insulating barrier produces the problem that detection is laborious and loss is high existing for damaged method by eyes.
More than technical problem is that and solved by following technical proposal: a kind of motor coil exposed surface insulating barrier damage detection device, including 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 second wire connects the bristle tuft having conduction.During use, motor coil termination is removed insulating barrier (for insullac) link together with the first wire electric conductivity afterwards, open detection power supply, then brush motor coil exposed surface is removed by bristle tuft, if motor coil exposed surface has disrepair phenomenon, then the bristle in bristle tuft there will be spark when touching breaking point, determines whether breakage by having seen whether that spark gushes out.Owing to going to sweep motor coil exposed surface by the bristle tuft of conduction, the breaking point that area is little also is able to find, can be carried out several times by the most brushes detecting, so almost can not producing detection leakage phenomenon；Go to judge whether breakage by spark, laborsaving during observation.
As preferably, the other end of described first wire connects has conductive clamp, described conductive clamp to include a pair intermediate plate that can automatically close up, and described intermediate plate is provided with clamping face.During use, it is clamped on motor coil termination by conductive clamp and realizes motor coil with the connection detecting power supply.Improve convenience during connection.
As preferably, described clamping face is provided with wing.During use, the motor coil termination making insulating barrier not scraped off is clamped in conductive clamp and contacts with wing, by pulling motor coil termination along the direction being parallel to be perpendicular to the plane in conductive clamp folding direction, when motor coil termination is moved, insulating barrier is wiped off by wing and exposed, thus realizes the motor coil termination conductive electrical contact with conductive clamp.Improve the convenience during insulating barrier divested on motor coil termination.
As preferably, the cutting edge of the wing on an intermediate plate tilts towards the clamping face on another intermediate plate.It is convenient not only to peel off during the insulating barrier of motor coil termination；And during pulling motor coil termination and peelling off insulating barrier, the power pulling motor coil termination can make a pair intermediate plate produce be clamped on motor coil termination power, without external force to prevent conductive clamp from opening, thus improve convenience when peelling off insulating barrier.
As preferably, described clamping face is provided with some stopper slots.Can improve the conductive clamp clamping effect to motor coil termination so that the connection reliability between conductive clamp and motor coil termination is good, connection reliability the most then can improve the accuracy of testing result.
Present invention additionally comprises the enlarging lens alignd with described bristle tuft.Go to observe spark through enlarging lens during use, spark is had amplification so that damaged area is little or the detection time is of short duration and also is able to be found time spark that is that result in is less, thus plays accuracy when improving detection and the effect of precision.
Present invention additionally comprises support platform, described support platform is provided with motor coil swivel mount and bristle tuft fixed mechanism.Motor coil is fixed on motor coil swivel mount during use, carrys out rotary electric machine coil with change motor coil with the position of bristle tuft by motor coil swivel mount, play the effect improving convenience when detecting.
As preferably, described support platform is additionally provided with darkroom, and described motor coil swivel mount and bristle tuft fixed mechanism are all located in described darkroom, and described darkroom is provided with the observation window of described bristle tuft.Darkroom is set so that spark brightness also is able to be observed time less, thus plays accuracy when improving detection and the effect of precision.
A kind of motor coil exposed surface insulating barrier damage testing method, it is characterised in that
The first step, by the end of a thread of motor coil with detection power supply one end electric conductivity link together；
Second step, the bristle tuft brush motor coil exposed surface of the conduction linked together by the same other end electric conductivity detecting power supply；
3rd step, during with bristle tuft brush motor coil exposed surface, observing between bristle tuft and motor coil whether produce electric spark, if producing electric spark, representing that motor coil exposed surface insulating barrier has breakage.
As preferably, second step fixes bristle tuft by bristle tuft fixed mechanism, rotation changes the position that the same bristle tuft of motor coil contacts with making motor coil to fix motor coil by motor coil swivel mount, motor coil and bristle tuft are all located in darkroom, darkroom is provided with observation window, and observation window is provided with the enlarging lens of same bristle tuft alignment；3rd step sees whether to produce electric spark by enlarging lens.
The present invention has an advantage that and removes inswept motor coil exposed surface by the bristle tuft of conduction, and breaking point hour also is able to same bristle and touches and produce spark phenomenon, it is possible to reduce loss；Go to judge whether breakage by spark, laborsaving during observation.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the detection device in the embodiment of the present invention one.
Fig. 2 is the use view of the detection device in the embodiment of the present invention one.
Fig. 3 is the schematic diagram of the detection device in the embodiment of the present invention two.
Fig. 4 is the perspective view of the amplification of the conductive clamp in the embodiment of the present invention two.
Fig. 5 is the use view of the detection device in the embodiment of the present invention two.
Fig. 6 is to remove the schematic diagram during insulating barrier divesting motor coil termination by the conductive clamp in embodiment two.
In figure: detection power supply 1, first wire 11, second wire 12, conductive clamp 2, a pair intermediate plate 21, first intermediate plate 21-1, 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, support platform 5, darkroom 51, observation window 511, motor coil swivel mount 52, base plate 521, locating dowel 522, motor 523, bristle tuft fixed mechanism 53, enlarging lens 54.
Detailed description of the invention
The present invention is further illustrated with embodiment below in conjunction with the accompanying drawings.
Embodiment one, sees Fig. 1, and a kind of motor coil exposed surface insulating barrier damage detection device, including detection power supply 1, conductive clamp 2 and bristle tuft 3.
Conductive clamp 2 is connected to detect one end of power supply 1 by the first wire 11.Conductive clamp 2 includes a pair intermediate plate 21.Two panels intermediate plate in a pair intermediate plate 21 is 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 panels intermediate plate in a pair 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 clamp 2 also includes the co-clip spring (not drawing in figure) making the clamping face 23 in the first intermediate plate 21-1 and the second intermediate plate 21-2 be close together (even if clip closes up).Co-clip spring is torsion spring and is set on hinge 22.Realize automatically closing up also possible of course through making a pair intermediate plate be resiliently connected together in the way of integrative-structure.
Bristle in bristle tuft 3 is made by conductive material.Bristle tuft 3 is linked together with the other end electric conductivity of detection power supply 1 by the second wire 12.
The method detected motor coil exposed surface insulating barrier breakage by above-mentioned motor coil exposed surface insulating barrier damage detection device is:
Seeing 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, insulating barrier on motor coil termination 41 is removed part, by making conductive clamp 2 open to the handle 24 extruded on the first intermediate plate 21-1 and the second intermediate plate 21-2, the mode being partially toward clamping face 23 got rid of by the insulating barrier of motor coil termination 41 makes motor coil termination 41 between the first intermediate plate 21-1 and the second intermediate plate 21-2, unclamp the chip hold down to handle 24, first intermediate plate 21-1 and the second intermediate plate 21-2 automatically closes up and is clamped to the part contact got rid of on motor coil termination 41 and with the insulating barrier of motor coil termination 41, thus realize the electrical connection of the same detection power supply 1 of motor coil termination 41.
Second step, open detection power supply 1, be then positioned at the surface of the part outside iron core 43 by the bristle tuft 3 brush motor i.e. motor coil 4 of coil exposed surface 42().In order to improve accuracy during detection, bristle tuft 3 is brush motor coil exposed surface 42 by the way of the most reciprocal, the same position of motor coil exposed surface 42 is brushed to twice (one is respectively referred to as the most once with one time, and brush i.e. carrys out backwash for twice once) by one in the way of at least having a try.
3rd step, during with bristle tuft 3 brush motor coil exposed surface 42, observing between bristle tuft 3 and motor coil 4 whether produce electric spark, if producing electric spark, representing that motor coil exposed surface 42 insulating barrier has breakage.
Embodiment two, detection device with the difference of embodiment one is:
See Fig. 3, be additionally provided with support platform 5.Support platform 5 and be provided with darkroom 51.Darkroom 51 is hood-like structure.Darkroom 51 directly rests on support platform 5, naturally it is also possible to be designed as being fixed together and being provided with the version of door.Support platform 5 and be additionally provided with motor coil swivel mount 52 and bristle tuft fixed mechanism 53.Bristle tuft 3 is fixed on bristle tuft fixed mechanism 53 (bristle tuft 3 is still electrically connected with detection power supply 1) by the second wire 12.Bristle tuft fixed mechanism 53 is connected to the inside in darkroom 51 by universal joint.By universal joint connect enable to bristle tuft 3 towards regulating.Bristle tuft 3 is positioned at the upper end in darkroom 51.Darkroom 51 is provided with the observation window 511 of bristle tuft 3.Observation window 511 is provided with the enlarging lens 54 of same bristle tuft alignment.Motor coil swivel mount 52 includes base plate 521.Base plate 521 is provided with locating dowel 522.Base plate 521 is provided with Magnet.Base plate 521 is supported on support platform 5 by motor 523.Motor coil swivel mount 52 is positioned at darkroom 51.In this section towards with alignment all referring to it be observed that window is able to observe that the meaning of bristle tuft.
Seeing Fig. 4, clamping face 23 is provided with wing 232.The cutting edge 2321 of the wing on the first intermediate plate 21-1 tilts the clamping face 23 towards the second intermediate plate 21-2, and the cutting edge 2321 of the wing on the second intermediate plate 21-2 tilts the clamping face 23 towards the first intermediate plate 21-1.Wing 232 is positioned at the one end (namely wing 232 is positioned at the one end at place, articulated section of the two panels intermediate plate in a pair intermediate plate of clamping face 23) at close hinge 22 place of clamping face 23, make what the first intermediate plate 21-1 and the second separate power of intermediate plate 21-2 (hereinafter referred to as distraction force), distraction force produced to make the separate moment of conductive clamp little, so that convenience when motor coil termination divests insulating barrier is good and laborsaving even if the having the beneficial effect that of this design produces during drawing coil end.
Detection device with the difference of embodiment one is:
Seeing Fig. 5, rotation changes the position that the same bristle tuft 3 of motor coil contacts with making motor coil to fix motor coil 4 by motor coil swivel mount 52 in second step.Specific operation process is: is set in locating dowel 522 by motor coil 4 and is shelved on base plate 521 and (is able in figure see that locating dowel 522 depicts gap between the hypomere of base plate and motor coil 4, really do not have), being adsorbed by motor coil 4 by the Magnet on base plate 521 and fix, the position adjusting bristle tuft 3 makes bristle tuft 3 contact with bristle tuft 3 with the part being positioned in motor coil exposed surface 42 above iron core 43.Darkroom 51 is covered on motor coil 4.Make the square rotation of motor 523, realize bristle tuft 3 and can brush each position being positioned at the part above iron core 43 in motor coil exposed surface 42.3rd step sees whether to produce spark by enlarging lens 54.
Motor coil 4 is turned around along the vertical direction, completes the detection to the part being positioned in motor coil exposed surface 42 below iron core 43 by aforesaid method.
See Fig. 6, the method removing the insulating barrier on motor coil termination in the first step is: make motor coil termination 41 between the wing 232 of the first intermediate plate 21-1 and the second intermediate plate 21-2, when clip closes up automatically, two panels wing 232 is clamped on motor coil termination 41, then along figure, A is to drawing motor coil termination 41, and the insulating barrier on motor coil termination 41 is divested by the cutting edge 2321 of wing.Can keep after divesting in the part being provided with stopper slot 231 that motor coil termination 41 is constant in current location, can also move in clamping face 23.If detection voltage is higher, take, in the part being provided with stopper slot 231 that is positioned in clamping face 23, to be so not easy to burn out the cutting edge 2321 of wing so that the cutting edge 2321 of wing can keep sharp for a long time.
Claims (7)
1. a motor coil exposed surface insulating barrier damage detection device, it is characterized in that, including supporting platform and detection power supply, one end of described detection power supply connects one end of the first wire, the other end of described detection power supply connects one end of the second wire, the other end of described second wire connects the bristle tuft having conduction, described support platform is provided with motor coil swivel mount and bristle tuft fixed mechanism, described support platform is additionally provided with darkroom, described motor coil swivel mount and bristle tuft fixed mechanism are all located in described darkroom, described darkroom is provided with the observation window of described bristle tuft, described observation window is provided with the enlarging lens of same bristle tuft alignment.
Motor coil exposed surface insulating barrier damage detection device the most according to claim 1, it is characterised in that the other end of described first wire connects has conductive clamp, described conductive clamp to include a pair intermediate plate that can automatically close up, and described intermediate plate is provided with clamping face.
Motor coil exposed surface insulating barrier damage detection device the most according to claim 2, it is characterised in that described clamping face is provided with wing.
Motor coil exposed surface insulating barrier damage detection device the most according to claim 3, it is characterised in that the cutting edge of the wing on an intermediate plate tilts towards the clamping face on another intermediate plate.
5. according to the motor coil exposed surface insulating barrier damage detection device described in Claims 2 or 3 or 4, it is characterised in that described clamping face is provided with some stopper slots.
6. a motor coil exposed surface insulating barrier damage testing method, it is characterised in that
The first step, by the end of a thread of motor coil with detection power supply one end electric conductivity link together；
Second step, the bristle tuft brush motor coil exposed surface of the conduction linked together by the same other end electric conductivity detecting power supply；
3rd step, during with bristle tuft brush motor coil exposed surface, observing between bristle tuft and motor coil whether produce electric spark, if producing electric spark, representing that motor coil exposed surface insulating barrier has breakage.
Motor coil exposed surface insulating barrier damage testing method the most according to claim 6, it is characterized in that, second step fixes bristle tuft by bristle tuft fixed mechanism, rotation changes the position that the same bristle tuft of motor coil contacts with making motor coil to fix motor coil by motor coil swivel mount, motor coil and bristle tuft are all located in darkroom, darkroom is provided with observation window, and observation window is provided with the enlarging lens of same bristle tuft alignment；3rd step sees whether to produce electric spark by enlarging lens.
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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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| 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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| CN108760816B (en) * | 2014-04-16 | 2021-01-08 | 盐城盐高保障房建设有限公司 | Coil bare surface insulating layer damage detection device and detection method |
| 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 |
| 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 |
| CN109975677B (en) * | 2019-04-24 | 2024-02-23 | 杭州富生电器有限公司 | Wire detection device of motor stator |
| CN113671413B (en) * | 2021-10-21 | 2021-12-31 | 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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Address after: 311401 Hangzhou, Zhejiang, Dongzhou street, Dongzhou industrial function zone, Road No. nine, No. 1, No. Applicant after: Hangzhou Fusheng Electrical Appliance Co., Ltd. Address before: 311401 Hangzhou, Zhejiang, Dongzhou street, Dongzhou industrial function zone, Road No. nine, No. 1, No. Applicant before: Hangzhou Fusheng Electrical Co.,Ltd. |
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