CN1925264A - Electric motor using armature - Google Patents
Electric motor using armature Download PDFInfo
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- CN1925264A CN1925264A CN 200510014912 CN200510014912A CN1925264A CN 1925264 A CN1925264 A CN 1925264A CN 200510014912 CN200510014912 CN 200510014912 CN 200510014912 A CN200510014912 A CN 200510014912A CN 1925264 A CN1925264 A CN 1925264A
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Abstract
This invention relates to motor armature, which comprises the following parts: magnetic core formed by several motor steel board with several raw gear along radium direction; one side open along radium direction between adjacent raw; tank insulation paper with one side along inner wall to other side when in plane projection; tank weld to block tank open formed by insulator; central bending curve relative to tank shape to above magnetic core formed along magnetic core.
Description
Technical field
The present invention relates to a kind of electric motor using armature.
Background technology
As everyone knows, motor is the device that converts electrical energy into mechanical energy.Here, armature is the flux that blocking is formed by magnetic pole (field), and together carries out relative motion for magnetic field with magnetic pole, thereby converts electrical energy into the part of mechanical energy.
Usually, above-mentioned armature all is that the center is rotated motion with the rotating shaft in motor such as DC motor.And above-mentioned armature generally possesses has following components to constitute: will possess has along the radial direction magnetic core that forms of the dynamo steel sheet insulating laminate of a plurality of grooves of opening laterally; Be wound in the coil of groove.
As shown in Figure 1, 2, 3, electric motor using armature is by following components: will alternately be formed with the magnetic core 11 that dynamo steel sheet 12 insulating laminates of sawtooth 13 and groove 15 form along circumferencial direction; Be wound in the coil 20 of the inside of groove 15.
Each dynamo steel sheet 12 forms the circular plate shape with certain diameter, and its outer peripheral face possesses and have along the radial direction setting, and along the circle tangent line to mutually from every a plurality of sawtooth 13 and groove 15.In addition, the center of above-mentioned each dynamo steel sheet 12 connects and is formed with the axis hole 17 that can insert in conjunction with the rotating shaft (not shown).
The inside of each groove 15 is inserted and is combined with the slot liner paper 21 that the insulator by film like constitutes.Here, the effect of above-mentioned slot liner paper 21 is: can make coil 20 and magnetic core 11 mutually insulateds.In addition, the opening portion of above-mentioned each groove 15 is combined with the slot wedge 23 with " V " section configuration.Here, the effect of above-mentioned slot wedge is the blocking opening.
But, in above-mentioned existing electric motor using armature, in order to make magnetic core 11 and coil 20 mutually insulateds, the slot liner paper 21 that will have " U " section configuration along the internal face of groove 15 is inserted into the inside of groove 15, and in order to interdict the opening portion of groove 15, in conjunction with slot wedge 23 with " V " section configuration.But, can cause the insulation problem fully inadequately in linking zone of each end of each end of slot liner paper 21 and slot wedge 23 like this.
Therefore, the medial surface that need to guarantee sawtooth 13 and coil 20 with a certain distance from creepage distance more than.For this reason, under the big relatively situation of the volume (volume) of the coil 20 that is wound in groove 15 inside, can utilize diameter that dwindles coil 20 or the method that increases the laminated thickness of magnetic core 11 to guarantee creepage distance.But said method can cause the motor reliability decrease, and the problem of cost rising.
In addition, because the adhesion of slot wedge 23 is abundant inadequately, therefore when follow-up engineering was carried out, slot wedge 23 can spin off from corresponding groove 15, thereby can cause adverse consequences.
Summary of the invention
Technical problem underlying to be solved by this invention is, overcomes the defective that existing electric motor using armature structurally exists, and a kind of electric motor using armature is provided, because it can increase creepage distance, thereby can guarantee the reliability of motor, and saves cost.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of electric motor using armature, it is characterized in that, comprise following components: the magnetic core that a plurality of dynamo steel sheet laminations form: a plurality of sawtooth that above-mentioned magnetic core is provided with along radial direction during by plane projection, and be formed between the adjacent sawtooth, and along a side opening of radial direction, and the A/F a plurality of grooves narrow with respect to inboard width constitute; Be wound in the coil of above-mentioned groove inside; As the insulator of film like, when plane projection, have from opening one side of above-mentioned groove extend to the length of opposite side always, and then play the slot liner paper of the effect between above-mentioned magnetic core of insulation and the above-mentioned coil along inwall.
Aforesaid electric motor using armature, wherein it also includes: form insulator, the slot wedge of combination for the opening portion that interdicts above-mentioned groove.
Aforesaid electric motor using armature, it is when plane projection, and the both ends of above-mentioned slot wedge are corresponding to the center side bending to above-mentioned magnetic core of the shape of above-mentioned groove.
Aforesaid electric motor using armature, wherein groove is along the radial direction opening formation laterally of above-mentioned magnetic core.
The present invention solves its technical problem also can adopt following technical scheme:
A kind of electric motor using armature, it is characterized in that, it comprises: the magnetic core that a plurality of dynamo steel sheet laminations form, above-mentioned magnetic core be during by plane projection one side along the radial direction setting, and the end amplitude is along a plurality of sawtooth of projected direction expansion, and be formed between the adjacent sawtooth, and along a side opening of radial direction, and the A/F a plurality of grooves narrow with respect to inboard width constitute; Be wound in the coil of the inside of above-mentioned groove; To insulate in order making between above-mentioned magnetic core and the above-mentioned coil, and to be arranged at the slot liner paper of the inside of above-mentioned groove; When plane projection, both ends corresponding to the interior shape of above-mentioned groove to the central side bending of above-mentioned magnetic core, and with above-mentioned slot liner paper overlapping inside that is arranged at above-mentioned groove in the certain-length interval, thereby interdict the slot wedge of the opening of above-mentioned groove.
Aforesaid electric motor using armature wherein when plane projection, dwindles with respect to inboard amplitude in order to make the open side amplitude, and the both ends of above-mentioned slot liner paper are bent to form to mutual approaching direction.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is the schematic perspective view of the slot wedge (wedge) of existing electric motor using armature in released state.
Fig. 2 is the vertical view of the dynamo steel sheet of Fig. 1.
Fig. 3 is the expansion sectional drawing of the major part of Fig. 2.
Fig. 4 is that the slot wedge of electric motor using armature of first embodiment of the invention is at the schematic perspective view of released state.
Fig. 5 is the expansion sectional drawing of the major part of Fig. 4.
Fig. 6 is the expansion sectional drawing of major part of the electric motor using armature of another embodiment of the present invention.
Fig. 7 is the expansion sectional drawing of major part of the electric motor using armature of further embodiment of this invention.
The number in the figure explanation:
11: magnetic core 12: dynamo steel sheet
13: sawtooth 15: groove
31: slot liner paper 33: slot wedge
Embodiment
For convenience of explanation, with front narration or the identical or identical considerable part of illustrated structure, identical with reference to label with continuing to quote.
Shown in Fig. 4,5, electric motor using armature 30 of the present invention comprises following components: the magnetic core 11 that possesses a plurality of grooves 15 of oriented outer openings; Be wound in the coil 20 of the inside of groove 15; Form the insulator of film like, and when plane projection, have from opening one side of above-mentioned groove 15 extend to the length of opposite side always, and then play the slot liner paper 31 of the effect between above-mentioned magnetic core 11 of insulation and the above-mentioned coil 20 along inwall.
In addition, the inside of each groove 15 is accommodated and is combined with slot liner paper 31.Here, above-mentioned slot liner paper 31 is corresponding to the shape of groove 15, and when plane projection, both ends are bent to form to mutual approaching direction corresponding to the shape of groove 15, thereby can interdict the medial surface of each sawtooth 13.The inboard of each slot liner paper 31 is wound with coil 20.Opening portion at each groove 15, the overlapping insertion in both ends and the both ends of slot liner paper 31 with slot wedge 33 of " U " section configuration combines.
According to structure as mentioned above, when plane projection, therefore the overlapping combination in certain length of interval of the both ends of slot liner paper 31 and slot wedge 33 can increase the creepage distance of coil 20 and magnetic core 11.Therefore, can twine many relatively coils in groove 15 inside of identical size, so do not need to increase the laminated thickness of magnetic core 11.Therefore, can cost saving, improve insulation property, guarantee the reliability of motor.
In addition, the both ends of slot wedge 33 are inserted and are incorporated between slot liner paper 31 and the magnetic core 11, therefore can increase adhesion, thus in service at motor, do not need the problem of worrying that slot wedge can spin off from corresponding groove 15.
As shown in Figure 6, the electric motor using armature 40 of present embodiment comprises following components: the magnetic core 11 that possesses a plurality of grooves 15 of oriented outer openings; Be wound in the coil 20 of the inside of groove 15; Form the insulator of film like, the slot liner paper 41 that is provided with in order to make insulation between above-mentioned magnetic core 11 and the above-mentioned coil 20; When plane projection, both ends are to the center position bending of magnetic core 11, and the slot wedge 43 of both ends overlapping opening portion that is inserted in groove 15 between slot liner paper 41 and magnetic core 11.
In addition, when plane projection, the both ends of slot wedge 43 have " U " section configuration to the center position bending of magnetic core 11.And the overlapping insertion in both ends is incorporated between the both ends and magnetic core 11 of slot liner paper 41.
According to structure as mentioned above, what the both ends of slot wedge 43 were overlapping is inserted between slot liner paper 41 and the magnetic core 11, thereby can increase the creepage distance of 11 of coil 20 and magnetic cores.Therefore can twine many relatively coils 20 in groove 15 inside with identical size, thus can cost saving, improve insulation property, increase adhesion, therefore can suppress the disengaging of slot wedge 43, thereby guarantee the reliability of motor.
As shown in Figure 7, the electric motor using armature 50 of present embodiment comprises following components and constitutes: the magnetic core 11 that possesses a plurality of grooves 15 of oriented outer openings; Be wound in the coil 20 of the inside of groove 15; Form the insulator of film like, and when plane projection, have from opening one side of above-mentioned groove 15 extend to the length of opposite side always, and then play the slot liner paper 51 of the effect between above-mentioned magnetic core 11 of insulation and the above-mentioned coil 20 along inwall.
When plane projection, the both ends of each slot liner paper 51 are bent to form to mutual approaching direction corresponding to the shape of groove 15, and the inside of groove 15 is wound with coil 20.The opening portion of each groove 15 is provided with the slot wedge 53 with " V " section configuration, and the overlapping insertion in the both ends of each slot wedge 53 is incorporated between the both ends and magnetic core 11 of slot liner paper 51.
According to structure as mentioned above, the overlapping combination in certain length of interval of the both ends of slot liner paper 51 and slot wedge 53, thereby can increase the creepage distance of coil 20 and magnetic core 11, cost saving.And can improve insulation property, suppress the disengaging of slot wedge 53, thereby can guarantee the reliability of motor.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, every foundation technical spirit of the present invention all still belongs in the scope of technical solution of the present invention any simple modification, equivalent variations and modification that above embodiment did.
The effect of invention
The present invention comprises following components and consists of:
The magnetic core (core) that a plurality of dynamo steel sheet laminations form: here, above-mentioned magnetic core is by plane projection The time one side along the radial direction setting, and the end amplitude is along a plurality of sawtooth of projected direction expansion (teeth) 13, and be formed between the adjacent sawtooth, and along a side opening of radial direction, And the A/F a plurality of grooves narrow with respect to inboard width consist of;
Be wound in the coil of above-mentioned groove inside;
As the insulator of film-form, when plane projection, has opening one side from above-mentioned groove along interior Wall extends to the length of opposite side always, and then plays the effect between the above-mentioned magnetic core of insulation and the above-mentioned coil Slot insulating paper.
Therefore, can increase creepage distance, thereby the reliability of guaranteeing motor can be provided, and joint The electric motor using armature of cost-saving.
In addition, an alternative embodiment of the invention provides to comprise the electric motor using armature that following components consists of:
The magnetic core (core) that a plurality of dynamo steel sheet laminations form: here, above-mentioned magnetic core is by plane projection The time one side along the radial direction setting, and the end amplitude is along a plurality of sawtooth of projected direction expansion (teeth), and be formed between the adjacent sawtooth, and along a side opening of radial direction, and And the A/F a plurality of grooves narrow with respect to inboard width consist of;
Be wound in the coil of the inside of above-mentioned groove;
To insulate in order making between above-mentioned magnetic core and the above-mentioned coil, and to be arranged at the slot insulation of the inside of above-mentioned groove Paper;
When plane projection, both ends corresponding to the interior shape of above-mentioned groove to the central side bending of above-mentioned magnetic core, and with above-mentioned slot liner paper overlapping inside that is arranged at above-mentioned groove in the certain-length interval, thereby interdict the slot wedge of the opening of above-mentioned groove.
According to said structure, can increase creepage distance, therefore can provide the reliability of guaranteeing motor, and cost-effective electric motor using armature.
Claims (6)
1, a kind of electric motor using armature is characterized in that, comprises following components:
The magnetic core that a plurality of dynamo steel sheet laminations form: a plurality of sawtooth that above-mentioned magnetic core is provided with along radial direction during by plane projection, and be formed between the adjacent sawtooth, and along a side opening of radial direction, and the A/F a plurality of grooves narrow with respect to inboard width constitute;
Be wound in the coil of above-mentioned groove inside;
As the insulator of film like, when plane projection, have from opening one side of above-mentioned groove extend to the length of opposite side always, and then play the slot liner paper of the effect between above-mentioned magnetic core of insulation and the above-mentioned coil along inwall.
2, electric motor using armature according to claim 1 is characterized in that, it also includes:
Form insulator, the slot wedge of combination for the opening portion that interdicts above-mentioned groove.
3, electric motor using armature according to claim 2 is characterized in that:
When plane projection, the both ends of above-mentioned slot wedge are corresponding to the center side bending to above-mentioned magnetic core of the shape of above-mentioned groove.
4, according to each described electric motor using armature in the claim 1 to 3, it is characterized in that:
Above-mentioned groove is along the radial direction opening formation laterally of above-mentioned magnetic core.
5, a kind of electric motor using armature is characterized in that, it comprises
The magnetic core that a plurality of dynamo steel sheet laminations form, above-mentioned magnetic core be during by plane projection one side along the radial direction setting, and the end amplitude is along a plurality of sawtooth of projected direction expansion, and be formed between the adjacent sawtooth, and along a side opening of radial direction, and the A/F a plurality of grooves narrow with respect to inboard width constitute;
Be wound in the coil of the inside of above-mentioned groove;
To insulate in order making between above-mentioned magnetic core and the above-mentioned coil, and to be arranged at the slot liner paper of the inside of above-mentioned groove;
When plane projection, both ends corresponding to the interior shape of above-mentioned groove to the central side bending of above-mentioned magnetic core, and with above-mentioned slot liner paper overlapping inside that is arranged at above-mentioned groove in the certain-length interval, thereby interdict the slot wedge of the opening of above-mentioned groove.
6, electric motor using armature according to claim 5 is characterized in that:
When plane projection, dwindle with respect to inboard amplitude in order to make the open side amplitude, the both ends of above-mentioned slot liner paper are bent to form to mutual approaching direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510014912 CN1925264A (en) | 2005-08-30 | 2005-08-30 | Electric motor using armature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510014912 CN1925264A (en) | 2005-08-30 | 2005-08-30 | Electric motor using armature |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1925264A true CN1925264A (en) | 2007-03-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510014912 Pending CN1925264A (en) | 2005-08-30 | 2005-08-30 | Electric motor using armature |
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| CN (1) | CN1925264A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101917072A (en) * | 2010-06-21 | 2010-12-15 | 无锡哈电电机有限公司 | Winding stator core of medium variable frequency motor |
| CN102270889A (en) * | 2011-06-21 | 2011-12-07 | 裴亚军 | Armature in starter |
| CN103107624A (en) * | 2011-11-11 | 2013-05-15 | 罗伯特·博世有限公司 | Slot closure element for sealing groove opening of machine element e.g. stator of rotatory electric machine e.g. synchronous machine, has plane segments connected to each other in single plane, having predetermined angle |
| CN105762963A (en) * | 2016-03-29 | 2016-07-13 | 杭州九维电机有限公司 | Motor stator and motor stator slot sealing method |
| CN105811672A (en) * | 2016-03-29 | 2016-07-27 | 杭州九维电机有限公司 | Slot wedge paper forming die for groove sealing of motor stator |
| CN110233531A (en) * | 2018-03-06 | 2019-09-13 | 大众汽车有限公司 | Slot insulating paper, winding core and the winding method for this winding core |
| DE102020109897A1 (en) | 2020-04-08 | 2021-10-14 | Schaeffler Technologies AG & Co. KG | Coil component with closure element with trough-shaped recess for receiving an insulation layer; as well as electric machine |
-
2005
- 2005-08-30 CN CN 200510014912 patent/CN1925264A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101917072A (en) * | 2010-06-21 | 2010-12-15 | 无锡哈电电机有限公司 | Winding stator core of medium variable frequency motor |
| CN102270889A (en) * | 2011-06-21 | 2011-12-07 | 裴亚军 | Armature in starter |
| CN102270889B (en) * | 2011-06-21 | 2013-11-06 | 裴亚军 | Armature in starter |
| CN103107624A (en) * | 2011-11-11 | 2013-05-15 | 罗伯特·博世有限公司 | Slot closure element for sealing groove opening of machine element e.g. stator of rotatory electric machine e.g. synchronous machine, has plane segments connected to each other in single plane, having predetermined angle |
| CN103107624B (en) * | 2011-11-11 | 2017-03-01 | 罗伯特·博世有限公司 | It is applied to the slot-sealing-wedge of the machine components of motor |
| CN105762963A (en) * | 2016-03-29 | 2016-07-13 | 杭州九维电机有限公司 | Motor stator and motor stator slot sealing method |
| CN105811672A (en) * | 2016-03-29 | 2016-07-27 | 杭州九维电机有限公司 | Slot wedge paper forming die for groove sealing of motor stator |
| CN105811672B (en) * | 2016-03-29 | 2018-08-17 | 杭州天铭科技股份有限公司 | Motor stator sealing groove slot wedge paper molding die |
| CN110233531A (en) * | 2018-03-06 | 2019-09-13 | 大众汽车有限公司 | Slot insulating paper, winding core and the winding method for this winding core |
| CN110233531B (en) * | 2018-03-06 | 2021-09-07 | 大众汽车有限公司 | Slot insulating paper, winding core and winding method for such winding core |
| DE102020109897A1 (en) | 2020-04-08 | 2021-10-14 | Schaeffler Technologies AG & Co. KG | Coil component with closure element with trough-shaped recess for receiving an insulation layer; as well as electric machine |
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Open date: 20070307 |