CN101997351A - Capacitor-type single-phase induction motor - Google Patents
Capacitor-type single-phase induction motor Download PDFInfo
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- CN101997351A CN101997351A CN201010202815XA CN201010202815A CN101997351A CN 101997351 A CN101997351 A CN 101997351A CN 201010202815X A CN201010202815X A CN 201010202815XA CN 201010202815 A CN201010202815 A CN 201010202815A CN 101997351 A CN101997351 A CN 101997351A
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Abstract
A capacitor-type single-phase induction motor has a structure for easily preventing primary coil jumper wire and subsidiary coil jumper wire from short circuit by enwinding a primary coil and a subsidiary coil to a stator through centralization convolution. The motor comprises: a stator core having a plurality of teeth arranged in a ring shape around an axes; the primary coil and the subsidiary coil enwinded to the plurality of teeth respectively through the centralization convolution; the primary coil jumper wire for connecting the primary coil enwinded to the teeth one another; a subsidiary coil jumper wire for connecting the subsidiary coil enwinded to the teeth one another, wherein the primary coil jumper wire is arranged on one side of the stator core in an axis direction, and the subsidiary coil jumper wire is arranged on the other side of the stator core in the axis direction.
Description
Technical field
The present invention relates to a kind of capacitor type monocyclic-start induction motor that possesses main coil and ancillary coil.
Background technology
In the past, a kind of as monocyclic-start induction motor by utilizing electric capacity, make the phase shifting of the electric current that flows to main coil and ancillary coil, made stator produce rotating magnetic field, and the so-called capacitor type monocyclic-start induction motor that makes the rotor rotation is by known.In such capacitor type monocyclic-start induction motor, for example, as Japanese kokai publication hei 5-122992 communique shown in Figure 5, main coil directly is connected with AC power, and on the other hand, ancillary coil is connected with above-mentioned AC power through electric capacity.Thus, compare with the electric current that flows through above-mentioned main coil because flow through the electric current of above-mentioned ancillary coil, about in advance 90 degree of phase place, so, in stator, produce rotating magnetic field, can make the rotor rotation.
On the other hand, as the method that main coil and ancillary coil is wrapped on the stator core, main coil and ancillary coil are wrapped in what is called on separately the tooth concentrate to reel and main coil and ancillary coil are striden what is called that a plurality of teeth twine and distribute and reel by known.Under the situation of concentrate reeling, because to compare manufacturing process simple with the situation of reeling of distributing, so, cut down the cost that brings in the time of can seeking by worker and reduce.
Patent documentation 1: Japanese kokai publication hei 5-122992 communique
Summary of the invention
Invent problem to be solved
But, under the situation of capacitor type monocyclic-start induction motor, as mentioned above, because flow to the phase place and about 90 degree of the phase shifting of the electric current that flows to ancillary coil of the electric current of above-mentioned main coil, so, between this main coil and ancillary coil, produce and the corresponding potential difference of this part.
Here, under situation about by concentrated coiling as described above main coil and ancillary coil being wrapped on the tooth, there is not the directly situation of contact of the main coil that is wrapped on the tooth and ancillary coil.But, because main coil and ancillary coil be to the method for winding of tooth, existence will be wrapped in the jumper (ancillary coil jumper) that the main coil on the tooth jumper (main coil jumper) that is connected with each other and the ancillary coil that will be wrapped on the tooth be connected with each other and contact and the possibility of short circuit.To this, though also can consider insulating material to be set each other at above-mentioned jumper,, with this part correspondingly, material cost, flow chart increase, so cost rises.
The objective of the invention is to, in the capacitor type monocyclic-start induction motor that by concentrate reeling main coil and ancillary coil is wrapped on the stator, obtaining easily to prevent the structure of the short circuit of main coil jumper and ancillary coil jumper.
In order to solve the means of problem
The present invention possesses: comprise the stator core that is configured to roughly circular a plurality of teeth around axis; Be wrapped in main coil and ancillary coil on above-mentioned a plurality of tooth respectively by concentrate reeling; With the main coil main coil jumper connected to one another that is wrapped on the above-mentioned tooth; With the ancillary coil ancillary coil jumper connected to one another that is wrapped on the above-mentioned tooth, above-mentioned main coil jumper is configured in side's side of the axis direction of said stator core, and above-mentioned ancillary coil jumper is configured in the opposing party's side of the axis direction of said stator core.
According to said structure, because main coil jumper and ancillary coil jumper are distinguished a side side and the opposing party side of separate configuration at the axis direction of stator, so, can both be separated fully by simple structure.Therefore, can prevent that the different main coil jumper of current potential from directly contacting with the ancillary coil jumper.Thus, can prevent between main coil jumper and ancillary coil jumper, to produce short circuit.
The effect of invention
According to the present invention, in the capacitor type monocyclic-start induction motor that by concentrate reeling main coil and ancillary coil is wrapped on the tooth, because with main coil jumper and ancillary coil jumper separate configuration side's side and the opposing party's side at the axis direction of stator core, so, can prevent the short circuit of main coil jumper and ancillary coil jumper by simple structure.
Description of drawings
Fig. 1 is the longitudinal section of schematic configuration of the capacitor type monocyclic-start induction motor of relevant embodiments of the present invention.
Fig. 2 is the end view of the stator in the capacitor type monocyclic-start induction motor shown in Figure 1.
Fig. 3 is the vertical view of the stator among Fig. 2, is the figure that sees from the second bobbin portion side of taking in the ancillary coil jumper.
Fig. 4 is the loop diagram of the loop structure when roughly representing to be connected to the main coil of capacitor type monocyclic-start induction motor shown in Figure 1 and ancillary coil on AC power and the electric capacity.
Fig. 5 is the figure of the winding order of pattern ground expression main coil and the tooth of ancillary coil in stator shown in Figure 2, being respectively (A) is the vertical view that twines the tooth of main coil, (B) be the end view of extension of taking in the bobbin portion of main coil jumper, (C) being the end view of extension of taking in the bobbin portion of ancillary coil jumper, (D) is the upward view that twines the tooth of ancillary coil.
Fig. 6 is connected to the figure suitable with Fig. 4 under the situation on AC power and the electric capacity with the capacitor type monocyclic-start induction motor in other execution mode.
Embodiment
For the mode that carries out an invention
Below, based on accompanying drawing, describe embodiments of the present invention in detail.In addition, the illustration that following execution mode comes down to, rather than intention limits the scope of the present invention, its suitable thing or its purposes.
Overall structure
Fig. 1 represents the schematic configuration of the capacitor type monocyclic-start induction motor 1 of relevant embodiments of the present invention.This capacitor type monocyclic-start induction motor 1 is the motor of so-called inner-rotor type, possesses the stator 2 roughly cylindraceous that has twined the two kinds of coils 8,9 that are connected in parallel and is configured in the interior side's of this stator 2 roughly columned rotor 3.Above-mentioned capacitor type monocyclic-start induction motor 1 as shown in Figure 4, a side of the coil 8,9 of said stator 2 directly and single-phase AC power 17 be connected, and the opposing party of this coil 8,9 is connected with this AC power 17 through electric capacity 18.Thus, can utilize electric capacity 18, make the phase shifting of the electric current of the coil 8,9 that flows to said stator 2, make in this stator 2 and produce rotating magnetic field.And, by this rotating magnetic field, in above-mentioned rotor 3, produce induced current, this rotor 3 therefore induced current and rotating magnetic field effect and rotate.
Said stator 2 possesses the stator core 5 roughly cylindraceous that has 12 tooth T1～T12 in interior all sides; Be configured in a pair of bobbin portion 10,20 at both ends of the axis direction of this stator core 5 respectively; Be wrapped in the main coil 8 and the ancillary coil 9 of the above-mentioned two kinds of coils of conduct on above-mentioned tooth T1～T12.
Said stator core 5, as shown in Figure 2, the thin-plate member 5a lamination by regulation shape that many are made of silicon steel plate constitutes.That is, on these thin-plate members 5a, be provided with the tooth portion of T word shape respectively,, constituted the tooth T1～T12 of stator core 5 by the tooth portion of lamination by this thin-plate member of lamination 5a.These teeth T1～T12 around axis P, equally spaced forms at circumferencial direction.
Above-mentioned bobbin portion the 10, the 20th, with the resin component roughly cylindraceous that the mode at the both ends of the axis direction of covering stator core 5 disposes, a plurality of insulation divisions 11,21 that to be integrally formed respectively form in the mode that covers above-mentioned tooth T1～T12 and to be the parts of the extension 12,22 that the mode of extending forms to the axial foreign side of the axis P of above-mentioned stator core 5 from the tooth base end side of this insulation division 11,21 roughly cylindricly.
On above-mentioned extension 12,22, formed on the outer peripheral face of this extension 12,22 circumferencial direction spread all over the guiding groove 13,14,23,24 that extends on specific length ground and with the part of this extension 12,22 from extending the end to above-mentioned guiding groove 13,14,23,24 notchs that cut away 15,16,25,26 in the form of slot.In above-mentioned guiding groove 13,14,23,24, as described later, take in jumper 8a, 9a that the coil 8,9 that will be wrapped on tooth T1～T12 is connected with each other.Detailed structure about these guiding grooves 13,14,23,24 and notch 15,16,25,26 will be set forth in the back.
Above-mentioned main coil 8 and ancillary coil 9 by concentrate reeling, alternately are wrapped on tooth T1～T12 that the insulation division 11,21 by above-mentioned bobbin portion 10,20 covers.That is, above-mentioned main coil 8 and ancillary coil 9 twine alternately with respect to above-mentioned tooth T1～T12.In addition, above-mentioned main coil 8 and ancillary coil 9 respectively with respect to above-mentioned tooth T1～T12, are seen to twine at the tooth of dextrorotation veer winding with in the mode that the tooth that is rotated counterclockwise the direction winding replaces from the tooth front.
Therefore, above-mentioned main coil 8 and ancillary coil 9 twine alternately with respect to above-mentioned tooth T1～T12, and its winding direction also twines in the mode that becomes equidirectional alternately with respect to the tooth that twines same coil.
Specifically, in the example of Fig. 5, above-mentioned main coil 8 sees being rotated counterclockwise direction from the front (upper side Fig. 5 (A)) of tooth with respect to tooth T2, T6, T10 and twines, and sees in the dextrorotation veer from the front of tooth with respect to tooth T4, T8, T12 and to twine.Equally, ancillary coil 9 sees being rotated counterclockwise direction from the front (lower side Fig. 5 (D)) of tooth with respect to tooth T1, T5, T9 and twines, and sees in the dextrorotation veer from the front of tooth with respect to tooth T3, T7, T11 and to twine.
In addition, for the purpose of simplifying the description, in the explanation of the winding direction of relevant below coil, see from the front of tooth to abbreviate the dextrorotation veer as clockwise direction, will be rotated counterclockwise direction and abbreviate as counterclockwise.
And then, above-mentioned main coil 8 and ancillary coil 9, begin side and reel to finish side is positioned at the axis direction of stator core 5 by this main coil 8 and ancillary coil 9 concentrated areas the mode of end separately with coiling, be wrapped on this tooth T1～T12 with respect to tooth T1～T12.Specifically, main coil 8 begins side with the coiling with respect to tooth and reel to finish the mode that side is positioned at distolateral (upper side of Fig. 1 and Fig. 2) of stator core 5 to twine.On the other hand, ancillary coil 9 begins side with the coiling with respect to tooth and reel to finish the mode that side is positioned at another distolateral (lower side of Fig. 1 and Fig. 2) of stator core 5 to twine.
Thus, can reach main coil jumper 8a that ancillary coil 9 is connected with each other and ancillary coil jumper 9a separate configuration both end sides each other with being wrapped in main coil 8 on the tooth respectively at the axis direction of stator core 5.Therefore, can above-mentioned main coil jumper 8a and ancillary coil jumper 9a be separated fully by simple structure.In addition, above-mentioned main coil 8 and main coil jumper 8a are made of a series of main line astragal 40, and above-mentioned ancillary coil 9 and ancillary coil jumper 9a are made of a series of boost line astragal 41.
Here, as shown in Figure 2, in the bobbin portion 20 of the side in above-mentioned bobbin portion 10,20, be provided with and compare outstanding bar- shaped pin terminal 35a, 35b, 35c with the extension end (downside of Fig. 2) of its extension 22 to the axis direction foreign side of axis P.On these pin terminals 35a, 35b, 35c, connect at least one end of above-mentioned main coil 8 and ancillary coil 9, and also connected the lead (omitting diagram) that links to each other with AC power 17.
Specifically, as shown in Figure 4, one of above-mentioned main coil 8 distolaterally is connected with pin terminal 35a, and another is distolateral to be connected with pin terminal 35c.On the other hand, one of above-mentioned ancillary coil 9 distolaterally is connected with pin terminal 35b, and another is distolateral to be connected with pin terminal 35c.And, between above-mentioned pin terminal 35a and pin terminal 35b, connected electric capacity 18 by not shown lead.That is, on above-mentioned pin terminal 35a, 35c, be connected in parallel main coil 8 and electric capacity 18 that is connected in series and ancillary coil 9.And then, on above-mentioned pin terminal 35a, 35c, connected AC power 17 by not shown lead.
Thus, can access the loop structure that above-mentioned main coil 8 and the above-mentioned ancillary coil that is connected in series 9 and electric capacity 18 are connected in parallel with respect to AC power 17.By making such loop structure, the phase place that can make the electric current that flows to above-mentioned ancillary coil 9 by above-mentioned electric capacity 18 is with respect to the phase place of the electric current that flows to above-mentioned main coil 8 90 degree in advance.Therefore, main coil 8 and ancillary coil 9 can make in the stator 2 that is wound and produce rotating magnetic field, make rotor 3 rotations in this stator 2.
Said stator 2 is resin-blocked by sealing, thus, has formed the housing that the round-ended cylinder shape is arranged 4 that is made of this sealing resin.Near the central portion of the bottom surface of this housing 4, formed the bellying 4a that the foreign side to this housing 4 bloats, in the inboard of this bellying 4a, disposed the metal carriage 33 that the round-ended cylinder shape is arranged in mode towards interior side's opening of housing 4.Disposed bearing 34 in the inboard of this carriage 33.
On the other hand, the peristome of above-mentioned housing 4 covers by forming roughly discoideus metal carriage 30.At the middle body of this carriage 30, formed the bellying 30a that the foreign side to above-mentioned housing 4 bloats.At the central portion of this bellying 30a, formed the through hole 31 that is used for inserting logical rotating shaft 7 described later.In addition, disposed bearing 32 in the inboard of above-mentioned bellying 30a.
Above-mentioned rotor 3 possesses rotor core 3a roughly cylindraceous; Be configured in the conductor 3b that constitutes by aluminium or copper on the groove that equally spaced is provided with in full week (slot) of the outer peripheral face that spreads all over this rotor core 3a; Make the short-circuited conducting sleeve 3c of these conductor short circuits at the two ends of axis direction.Bar-shaped rotating shaft 7 has been fixed to insert logical state in center at the rotor core 3a of this rotor 3.This rotating shaft 7 is rotatably mounted by above-mentioned bearing 32,34.In addition, one of above-mentioned rotating shaft 7 distolateral perforation is formed on the through hole 31 on the above-mentioned carriage 30 and gives prominence to outside housing 4.Thus, the rotation of rotor 3 can be transmitted to the outside.
The structure of stator end
Then, based on Fig. 2, Fig. 3 and Fig. 5, the structure of the end of the axis direction of detailed description said stator 2.As mentioned above, at the both ends of the axis P of said stator 2 direction, disposed bobbin roughly cylindraceous portion 10,20 respectively.The first bobbin portion 10 in these bobbin portions 10,20 disposes in the mode of distolateral (upside of Fig. 2) of covering said stator core 5.On the other hand, the second bobbin portion 20 disposes in the mode of another distolateral (downside of Fig. 2) that cover this stator core 5.
These bobbin portions 10,20 possess respectively to axis P direction foreign side and are the extension 12,22 that extends cylindricly.Front and base end side in the side of this extension 12,22 have formed guiding groove 14,24 in a plurality of outer guiding groove 13,23 that circumferencial direction extends reaches respectively.In detail, the front in the side of above-mentioned extension 12,22, respectively circumferencial direction be provided with side by side a plurality of outside guiding groove 13,23.On the other hand, the base end side in the side of above-mentioned extension 12,22, respectively circumferencial direction be provided with side by side a plurality of in guiding groove 14,24.
One end of above-mentioned guiding groove 13,14,23,24 be formed on be wrapped in certain tooth on the circumferential locations of the corresponding extension 12,22 of the coiling latter end of coil 8,9.On the other hand, the other end of above-mentioned guiding groove 13,14,23,24 is formed on the circumferential locations that begins the corresponding extension of part 12,22 with the coiling tooth of following above-mentioned tooth ground winding around 8,9, coil 8,9.That is, above-mentioned guiding groove 13,14,23,24 is to have forming to the mode that the coiling with respect to the tooth of next winding around 8,9 of coil 8,9 begins the length of part with respect to the coiling latter end of certain tooth from coil 8,9.
In addition, on the extension 22 that is provided with above-mentioned pin terminal 35a, 35b, 35c, the interior guiding groove 24a and outer guiding groove 23a, the 23b that are used to take in the ancillary coil 9 that is connected with this pin terminal 35a, 35b, 35c have been formed.
In the guiding groove 14, configuration will be wrapped in the main coil jumper 8a that the main coil 8 on tooth T2, T4, T6, T8, T10, the T12 is connected with each other in outer guiding groove 13 on being formed at above-mentioned extension 12 reaches.On the other hand, in the guiding groove 24, configuration will be wrapped in the ancillary coil jumper 9a that the ancillary coil 9 on tooth T1, T3, T5, T7, T9, the T11 is connected with each other in the outer guiding groove 23 on being formed at above-mentioned extension 22 reaches.
Like this, by above-mentioned main coil jumper 8a and ancillary coil jumper 9a separately being accommodated in the guiding groove 13,14 that is formed in the first bobbin portion 10 respectively and being formed in the guiding groove 23,24 in the second bobbin portion 20, this first bobbin portion 10 is configured in the distolateral of stator core 5, it is distolateral that this second bobbin portion 20 is configured in another of this stator core 5, can fully dispose main coil jumper 8a and ancillary coil jumper 9a with leaving.Therefore, can prevent that this main coil jumper 8a from contacting with ancillary coil jumper 9a, short circuit.
And, because it is integrally formed to have formed the insulation division 11,21 of the extension 12,22 of above-mentioned guiding groove 13,14,23,24 and above-mentioned bobbin portion 10,20, so, the new parts that formed the guiding groove 13,14,23,24 that is used to take in coil jumper 8a, 9a need not be set, just can be with distolateral and another is distolateral at stator core 5 of coil crossover line 8a, 9a separate configuration.Thus because there is no need the parts that are provided with guiding groove 13,14,23,24 are assembled as other parts, so, with this part correspondingly, can prevent the increase of the number of working processes.
Here, as mentioned above, main coil 8 and ancillary coil 9 are alternately to carry out repeatedly with respect to tooth T1～T12 to being rotated counterclockwise the direction winding and twining to the mode that the dextrorotation veer is twined.In the case, as if the coil 8,9 of reeling successively respectively with respect to tooth T1～T12, then as shown in Figure 5, the coiling with respect to each tooth T1～T12 of coil 8,9 begins the position of part and alternately replace the position of coiling latter end.So, the part that on main coil jumper 8a and ancillary coil jumper 9a, overlaps respectively.In addition, main coil jumper 9a will be connected to each other with respect to the main coil 8 that tooth T2, T4, T6, T8, T10, T12 twine, and ancillary coil jumper 9a will be connected to each other with respect to the ancillary coil 9 that tooth T1, T3, T5, T7, T9, T11 twine.Under the situation of present embodiment, begin side and reel and finish main coil jumper 8a that side links to each other and begin the ancillary coil jumper 9a difference overlapped (the A part among Fig. 5) that side links to each other with the end side of reeling with the coiling of the ancillary coil 9 that twines in the dextrorotation veer with respect to tooth respectively at the coiling that is rotated counterclockwise the main coil 8 that direction twines respectively with respect to tooth.
To this, in the present embodiment, as above-mentioned shown in Figure 5, with above-mentioned main coil jumper 8a and ancillary coil jumper 9a to begin jumper 8a, 9a that side links to each other and to finish the mode that jumper 8a, 9a that side links to each other be positioned at guiding groove 13,14,23,24 separately and dispose with reeling with the coiling of tooth.Specifically, will with respect to tooth the coiling that is rotated counterclockwise the main coil 8 that direction twines begin main coil jumper 8a that side links to each other be configured in in the guiding groove 14, and will be configured in the outer guiding groove 13 with the main coil jumper 8a that the coiling end side of this main coil 8 links to each other.On the other hand, will with respect to tooth the coiling of the ancillary coil 9 that the dextrorotation veer is twined begin ancillary coil jumper 9a that side links to each other be configured in in the guiding groove 24, and will be configured in the outer guiding groove 23 with the ancillary coil jumper 9a that the coiling end side of this ancillary coil 9 links to each other.
As mentioned above, reach each other in the ancillary coil jumper 9a lap (the A part among Fig. 5) each other at main coil jumper 8a, will begin jumper 8a, 9a that side links to each other with the coiling with respect to tooth of coil 8,9 and finish jumper 8a, 9a that side links to each other and be configured in separately the guiding groove 13,14,23,24 with reeling.Thus, jumper 8a, 9a are configured in the guiding groove 13,14,23,24 too, can prevent to produce short circuit.And then, by making above-mentioned such jumper 8a, the configuration of 9a, with respect to tooth T1～T12 winding around 8,9 o'clock, can in long notch 16,26 described later, prevent to begin jumper 8a, 9a that side links to each other and finish jumper 8a, the 9a interference that side links to each other with reeling with the coiling with respect to tooth of coil 8,9.
On above-mentioned extension 12,22, formed respectively in axis P direction and extended the notch 15,16,25,26 that end (fore-end of bearing of trend) extends to the groove shape of above-mentioned guiding groove 13,14,23,24 from it.In detail, on above-mentioned extension 12,22, formed from the extension end of this extension 12,22 extend to above-mentioned outside guiding groove 13,23 the end short notch 15,25 and from the extension end of this extension 12,22 extend to above-mentioned in the long notch 16,26 of end of guiding groove 14,24.That is, above-mentioned short notch 15,25 and long notch 16,26 form the groove shape so that take in the both ends of the guiding groove 13,14,23,24 of jumper 8a, 9a with the mode that the axis P direction foreign side of above-mentioned extension 12,22 is communicated with.
Here, above-mentioned guiding groove 13,14,23,24 begins side with their end and the coiling of the coil 8,9 of Width one side that becomes each tooth T1～T12 or opposite side or reels to finish the corresponding mode of side and form.Therefore, the notch 15,16,25,26 that extends to this end also forms accordingly with Width one side or the opposite side of each tooth T1～T12.
Above-mentioned short notch 15,25 and long notch 16,26 are constituted as can insert logical coil crossover line 8a, the 9a that is configured in the above-mentioned guiding groove 13,14,23,24.Thus, be configured in jumper 8a, 9a in the above-mentioned guiding groove 13,14,23,24, begin side and the end side of reeling with respect to the coiling that is wrapped in the coil 8,9 on tooth T1～T12, any one ground of inserting logical above-mentioned short notch 15,25 or long notch 16,26 respectively links to each other.
That is, according to above-mentioned structure, as shown in Figure 5, the position relation with respect to the notch 15,16,25,26 of the end that is arranged on guiding groove 13,14,23,24 of tooth T1～T12 is determined.Therefore, insert the jumper 8a of logical this notch 15,16,25,26, the assigned position of tooth that 9a is positioned at regulation.
Therefore, when main line astragal 40 and boost line astragal 41 were twined with respect to each tooth T1～T12, jumper 8a, 9a that the coil 8,9 that is wrapped on the tooth is connected with each other can correctly be guided in the predetermined guiding groove 13,14,23,24.
And as mentioned above, the position of above-mentioned notch 15,16,25,26 and each tooth T1～T12 relation is determined.Therefore, lead in this notch 15,16,25,26, then winding wire 40,41 can be configured in the position of determining of definite tooth if above-mentioned main line astragal 40 and boost line astragal 41 are inserted.Therefore, can carry out the winding operation with respect to each tooth T1～T12 of coil 8,9 swimmingly.
The effect of execution mode
As mentioned above, according to present embodiment, main coil jumper 8a is configured in the guiding groove 13,14 that is arranged in the bobbin portion 10, this bobbin portion 10 is installed on the distolateral of stator core 5.And, ancillary coil jumper 9a is configured in the guiding groove 23,24 that is arranged in the bobbin portion 20, it is distolateral that this bobbin portion 20 is installed on another of stator core 5.Thus, can fully dispose this main coil jumper 8a and ancillary coil jumper 9a with leaving.Therefore, can prevent that both from contacting, short circuit by simple structure.
That is,, begin side and reel to finish the distolateral mode that side is positioned at stator core 5 and twine this main coil 8 with the coiling of main coil 8 with respect to tooth T1～T12.Then, begin side and reel and finish another distolateral mode that side is positioned at stator core 5, twine this ancillary coil 9 with the coiling of ancillary coil 9.Thus, can fully dispose main coil jumper 8a and ancillary coil jumper 9a as described above with leaving.
Here, as present embodiment, main coil 8 and ancillary coil 9 with respect to the alternately different situation of the winding direction of tooth T1～T12 under, shown in the A of above-mentioned Fig. 5 part, produce the part that jumper 8a, 9a overlap each other.
To this, outer guiding groove 13,23 and interior guiding groove 14,24 are set respectively on the extension 12,22 of online axial region 10,20.Thus, be configured in separately the guiding groove 13,14,23,24 owing to main coil jumper 8a can be reached each other part that ancillary coil jumper 9a overlaps each other, so, can prevent that jumper 8a, 9a from contacting with each other.
In addition, in above-mentioned overlapping part, will begin with the coiling with respect to tooth of coil 8,9 jumper 8a, 9a that side links to each other be configured in in the guiding groove 14,24.And, will be configured in the outer guiding groove 13,23 with jumper 8a, the 9a that the coiling end side with respect to tooth of coil 8,9 links to each other.Thus, wrap wire astragal 40,41 o'clock, can be in being formed at this prevent that jumper 8a, 9a from interfering with each other in long notch 16,26 at the both ends of guiding groove 14,24.
In addition, above-mentioned guiding groove 13,14,23,24 is formed on to possess and is used for tooth T1～T12 and is wrapped in main coil 8 on this tooth T1～T12 and the bobbin portion 10,20 of the insulation division 11,21 that ancillary coil 9 insulate.Therefore, the both end sides that new parts just can be configured in main coil jumper 8a and ancillary coil jumper 9a respectively stator core 5 need not be set.Therefore, with the part of the assembling operation that there is no need to carry out new parts correspondingly, can prevent the increase of manufacturing cost.
And then above-mentioned guiding groove 13,14,23,24 and its two ends are wrapped in the coiling latter end of the coil 8,9 on the tooth and the coiling with respect to the tooth of following this tooth ground winding around 8,9 of coil 8,9 begins part formation accordingly.And, formed notch 15,16,25,26 accordingly with the both ends of this guiding groove 13,14,23,24.Thus, when winding operation, can prevent from main coil jumper 8a and ancillary coil jumper 9a are configured in the wrong guiding groove.And, according to this structure, because can main line astragal 40 and boost line astragal 41 be configured in the position of regulation with respect to tooth T1～T12, so, can carry out winding operation swimmingly.
Other execution mode
Relevant capacitor type monocyclic-start induction motor of the present invention is not limited to above-mentioned execution mode, also comprises various structures in addition.For example, in the above-described embodiment, on the online axial region 10,20, formed notch 15,16,25,26 accordingly with the both ends of outer guiding groove 13,23 and interior guiding groove 14,24 with different incisions degree of depth, but, be not limited to this, the mode of the degree of depth of guiding groove 14,24 is provided with in for example also can extending to all notchs.In addition, be provided with guiding groove 13,14,23,24 on the online axial region 10,20, in this guiding groove 13,14,23,24, disposed jumper 8a, 9a, but be not limited to this, also can on other parts, guiding groove be set, configuration jumper 8a, 9a in this guiding groove.
In addition, in the above-described embodiment, be provided with two-layer guiding groove (outer guiding groove 13,23 and interior guiding groove 14,24) on the online axial region 10,20 respectively, but be not limited to this, the number of plies that is arranged on the guiding groove in the bobbin portion 10,20 also can be one deck, also can be more than three layers.And then above-mentioned guiding groove 13,14,23,24 is provided with a plurality of respectively with arranging at circumferencial direction, still be not limited to this, also can respectively form the guiding groove of ring-type of the full Zhou Yanshen of an outer peripheral face that spreads all over extension 12,22.
In addition, in the above-described embodiment, on extension 12,22, be provided with guiding groove 13,14,23,24 respectively, but be not limited to this, for example also guiding groove can be set, but with a side side and the opposing party side of jumper separate configuration at the both ends of stator 2.
In addition, in the above-described embodiment, the tooth T1～T12 with respect to arranging at circumferencial direction has alternately twined main coil 8 and ancillary coil 9, still, so long as this main coil 8 and ancillary coil 9 get final product with respect to the structure of the concentrated coiling of tooth T1～T12.For example, also can on adjacent a plurality of teeth, concentrate coiling main coil or ancillary coil.
In addition, in the above-described embodiment, as shown in Figure 5, with respect to being wrapped in last main coil 8 of tooth T1～T12 and ancillary coil 9, the such AC power 17 and electric capacity 18 of having connected of the loop diagram shown in the image pattern 4 still is not limited to this, shown in also can image pattern 6 like that, the coiling latter end (right side among Fig. 6) of main coil 8 is connected with pin terminal 35b, and respectively electric capacity 18 is connected with pin terminal 35a, 35c, AC power 17 is connected with pin terminal 35a, 35b.Thus, because the sense of current that flows to above-mentioned ancillary coil 9 is with respect to the situation opposite (example being represented sense of current in each figure by arrow) of above-mentioned loop diagram shown in Figure 4, so, also opposite from the direction in the magnetic field that this ancillary coil 9 produces.Therefore, the direction counter-rotating of the rotating magnetic field that the interior side that can make at stator 2 produces makes the direction of rotation of capacitor type monocyclic-start induction motor 1 become the direction opposite with the situation of above-mentioned execution mode.
In addition, in the above-described embodiment, having made stator 2 and carried out molded so-called molded motor by resin, still, be not limited to this, for example also can be that stator 2 is accommodated in structure in the housing.
Utilize possibility on the industry
As described above, the present invention is useful for the capacitor type monocyclic-start induction motor.
Symbol description
1: the capacitor type monocyclic-start induction motor; 2: stator; 3: rotor; 5: stator core; 8: main coil; 8a: main coil jumper; 9: ancillary coil; 9a: ancillary coil jumper; 10: First Line axial region (bobbin section); 11,21: insulation division; 12,22: extension; 13,23: outer guiding groove; 14,24: interior guiding groove; 15,25: chopped oral area; 16,26: long notch; 20: the second bobbin sections (bobbin section); T1～T12: tooth; P: axis.
Claims (4)
1. capacitor type monocyclic-start induction motor is characterized in that possessing:
Comprise the stator core that is configured to roughly circular a plurality of teeth around axis;
Be wrapped in main coil and ancillary coil on above-mentioned a plurality of tooth respectively by concentrate reeling;
With the main coil main coil jumper connected to one another that is wrapped on the above-mentioned tooth;
With the ancillary coil ancillary coil jumper connected to one another that is wrapped on the above-mentioned tooth,
Above-mentioned main coil jumper is configured in side's side of the axis direction of said stator core,
Above-mentioned ancillary coil jumper is configured in the opposing party's side of the axis direction of said stator core.
2. capacitor type monocyclic-start induction motor according to claim 1 is characterized in that,
Above-mentioned main coil begins the mode of side's side that part and coiling latter end be positioned at the axis direction of said stator core with the coiling with respect to above-mentioned tooth and is wrapped on this tooth, on the other hand,
Above-mentioned ancillary coil begins the mode of the opposing party's side that part and coiling latter end be positioned at the axis direction of said stator core with the coiling with respect to above-mentioned tooth and is wrapped on this tooth.
3. capacitor type monocyclic-start induction motor according to claim 1 and 2 is characterized in that,
Also possess a pair of bobbin portion at both ends that is configured in the axis direction of said stator core in the mode that above-mentioned tooth and main coil and ancillary coil are insulated respectively,
The extension roughly cylindraceous that above-mentioned bobbin portion has the insulation division that forms in the mode that covers above-mentioned tooth respectively and forms in the mode of extending to the axis direction foreign side of above-mentioned stator core at the tooth base end side of this insulation division,
On the outer peripheral face of the extension of above-mentioned bobbin portion, formed the guiding groove that is used to take in above-mentioned main coil jumper or ancillary coil jumper respectively.
4. capacitor type monocyclic-start induction motor according to claim 3 is characterized in that,
Above-mentioned guiding groove is made of with the interior guiding groove that is formed on the base end side of this extension the outer guiding groove of the front of the bearing of trend that is formed on above-mentioned extension,
At least a portion that is accommodated in the jumper in the above-mentioned outer guiding groove links to each other with any one party that the coiling of coil begins part or coiling latter end,
At least a portion that is accommodated in the jumper in the above-mentioned interior guiding groove links to each other with the opposing party that the coiling of above-mentioned coil begins part or coiling latter end,
On above-mentioned extension, formed short notch and long notch,
Described short notch by the circumferential locations corresponding with Width one side of base end part of at least one tooth in the tooth that twines above-mentioned coil be configured in above-mentioned outside in the guiding groove and the jumper that links to each other with above-mentioned coil can insert logical mode and cut away from front guiding groove outside this of the bearing of trend of this extension and constitute
Described long notch by the circumferential locations corresponding with Width the opposing party of the base end part of above-mentioned at least one tooth be configured in above-mentioned in the guiding groove and the jumper that links to each other with above-mentioned coil can insert logical mode from the front of the bearing of trend of this extension to this in guiding groove cut away and constitute.
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| Application Number | Priority Date | Filing Date | Title |
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| JP2009184919A JP5552631B2 (en) | 2009-08-07 | 2009-08-07 | Capacitor type single phase induction motor |
| JP2009-184919 | 2009-08-07 |
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| CN101997351A true CN101997351A (en) | 2011-03-30 |
| CN101997351B CN101997351B (en) | 2014-12-31 |
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Cited By (2)
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| CN102522867A (en) * | 2011-12-31 | 2012-06-27 | 广东朗能电器有限公司 | Single phase capacitor motor and manufacturing method thereof |
| CN103715805A (en) * | 2012-09-28 | 2014-04-09 | 三菱电机株式会社 | Electric motor stator, electric motor, sealed compressor and rotary machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202889143U (en) * | 2011-12-28 | 2013-04-17 | 日本电产株式会社 | Single-phase induction motor |
| JP5974592B2 (en) * | 2012-03-31 | 2016-08-23 | 日本電産株式会社 | Armature and motor |
| JP2013215028A (en) * | 2012-03-31 | 2013-10-17 | Nippon Densan Corp | Single-phase induction motor |
| JP2013219906A (en) * | 2012-04-06 | 2013-10-24 | Nippon Densan Corp | Single-phase induction motor |
| JPWO2014115500A1 (en) * | 2013-01-22 | 2017-01-26 | パナソニックＩｐマネジメント株式会社 | Single-phase induction motor, manufacturing jig therefor, and method for manufacturing single-phase induction motor |
| CN110476332B (en) * | 2017-03-31 | 2022-09-06 | 日本电产高科电机株式会社 | Motor |
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| JP2003134716A (en) * | 2001-10-25 | 2003-05-09 | Odawara Engineering Co Ltd | Parallel connection method for stator coil and its stator |
| CN1841887A (en) * | 2005-03-31 | 2006-10-04 | 富士通将军股份有限公司 | Induction motor and method for fabricating same |
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| JP4860338B2 (en) * | 2006-02-03 | 2012-01-25 | アスモ株式会社 | Stator and brushless motor |
| JP2008167604A (en) * | 2006-12-28 | 2008-07-17 | Ichinomiya Denki:Kk | Stator of inner rotor type mold brushless motor |
| JP5338043B2 (en) * | 2007-07-04 | 2013-11-13 | パナソニック株式会社 | Half-pitch capacitor motor stator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2003134716A (en) * | 2001-10-25 | 2003-05-09 | Odawara Engineering Co Ltd | Parallel connection method for stator coil and its stator |
| CN1841887A (en) * | 2005-03-31 | 2006-10-04 | 富士通将军股份有限公司 | Induction motor and method for fabricating same |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102522867A (en) * | 2011-12-31 | 2012-06-27 | 广东朗能电器有限公司 | Single phase capacitor motor and manufacturing method thereof |
| CN103715805A (en) * | 2012-09-28 | 2014-04-09 | 三菱电机株式会社 | Electric motor stator, electric motor, sealed compressor and rotary machine |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2011041377A (en) | 2011-02-24 |
| JP5552631B2 (en) | 2014-07-16 |
| CN101997351B (en) | 2014-12-31 |
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