CN101661835A - Insulator for stator and stator of rotating transformer with insulator - Google Patents
Insulator for stator and stator of rotating transformer with insulator Download PDFInfo
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- CN101661835A CN101661835A CN200810146426A CN200810146426A CN101661835A CN 101661835 A CN101661835 A CN 101661835A CN 200810146426 A CN200810146426 A CN 200810146426A CN 200810146426 A CN200810146426 A CN 200810146426A CN 101661835 A CN101661835 A CN 101661835A
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- insulator
- extension
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- stator
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Abstract
The invention relates to an insulator for a stator of a rotating transformer and a stator using the insulator. The stator comprises an iron core, an insulator, a lead connection terminal, a winding and a lead, wherein the iron core is provided with teeth and grooves which are distributed evenly; the insulator comprises an insulating cap circular ring part, a circular ring periphery part and an extension part; the insulating cap circular ring part is coated on the teeth and the grooves of the iron core; the winding is wound on the teeth coated with the insulating cap circular ring part and is electrically insulated from the iron core; the lead connection terminal is fixed on the extension part and is connected with the lead and the end part of the lead-out part of the winding; the extensionpart of the insulator is provided with a plurality of insulating lug bosses; the lead-out part of the winding is wound on the insulating lug bosses so as to prevent the winding from winding wire breakage caused by expansion or shrinkage generated by the influence of temperature or vibration and simultaneously simplify the assembly among the insulator, the lead connection terminal, the extension part of the winding and the lead greatly.
Description
Technical field
The present invention relates to a kind of resolver, relate in particular to a kind of stator and insulator thereof of resolver.
Background technology
Resolver is a precision control motor commonly used in the automatics.When the stator winding of giving resolver applied single-phase alternating current, the voltage of its rotor winding output became functional relations such as sine and cosine relation or linear relationship with angle of rotor.Resolver is the most frequently used a kind of position transducer that arrives in all kinds of electromechanical equipments, is generally used for work under bad environment, the place that required precision is higher.Rotating transformer structures and wire wound asynchronous motor are similar, have stator and rotor.
The stator of resolver comprises iron core, insulator, lead connecting terminal, winding and the company lead-in wire to the stator outside.Particularly, as shown in Figure 1, the stator of resolver comprises iron core 10, insulator 20, lead connecting terminal 40, winding 50 and goes between 60.Iron core comprises groove 11 and tooth 12.Insulator 20 comprises insulator cap annulus part 21, annulus peripheral edge portion 22, extension 23 and is positioned at hole 24 on the extension 23.The annulus that insulator cap annulus part 21 surrounds for a plurality of insulator caps, insulator cap evenly are arranged on the inboard of insulator cap annulus part 21, are used to coat tooth 12 and groove 11 on the stator, and the annulus outside of insulator cap annulus part 21 is connected with annulus peripheral edge portion 22.Coated and be wound with winding 50 on the tooth 12 of insulator cap and form electric insulations with iron core 10.Extension 23 be provided with the hole 24 that is used to embed lead connecting terminal 40 and with hole 24 corresponding grooves.Lead connecting terminal 40 is L shaped, one end of " L " shape terminal is connected with to the lead-in wire 60 of the outside of stator and inserts the hole 24 on the extension 23 and then imbed in the corresponding groove, winding 50 also comprises the extension that is used to connect lead connecting terminal 40, and the other end of " L " shape terminal exposes the extension 23 of insulator and is connected with the extension of winding 50.
Though in the prior art by extension that on lead connecting terminal 40, twines winding 50 and the end of welding this extension, rupture to prevent that winding wire from expanding or shrinking the winding wire that causes, but the other end of lead connecting terminal 40 is welded with and connects to the lead-in wire 60 of the outside of stator and embed in the insulator, particularly, an end that is welded with lead-in wire 60 lead connecting terminal 40 inserted the hole 24 on the extension 23 and imbed in the groove corresponding with hole 24, this groove has radially outside outlet, a lead-in wire end of 60 is welded on the end in lead connecting terminal 40 insertion grooves, the other end of lead-in wire 60 passes groove and extends to the stator outside, to groove, fill viscose glue from the radially outside outlet of groove lead connecting terminal 40 embeddings are fixed on the extension 23, then extension 23 is bonded on the iron core 10.If the extension of winding 50 directly is welded on the lead connecting terminal 40, bad working environment causes winding wire to be subjected to the influence of variations in temperature and vibration, expand easily or shrink and fracture occurs, therefore first extension with winding 50 is wrapped in lead connecting terminal 40 and exposes on the end of extension 23, end with the extension of winding 50 is welded on the lead connecting terminal 40 then, thereby prevents because the winding wire that variations in temperature causes expands or shrinks line is broken.Obviously, the annexation complexity of lead connecting terminal, insulator, winding and lead-in wire, the assembly technology difficulty is big, and is not easy to operate.
In addition, in the prior art, insulator 20 is to be made of a pair of divided portion up and down, promptly comprise and being separately positioned on along upper insulator 20a on the top and bottom of iron core thickness and lower insulator 20b, as shown in Figures 2 and 3, upper insulator 20a and lower insulator 20b comprise insulator cap annulus part 21a separately respectively, 21b and annulus peripheral edge portion 22a, 22b, that is to say, insulator cap annulus part 21a is connected with annulus peripheral edge portion 22a, insulator cap annulus part 21b is connected with annulus peripheral edge portion 22b, upper insulator 20a and lower insulator 20b coat the tooth 12 and the groove 11 of stator respectively from the upper and lower surface of stator, and about the joint of insulator cap 21a and 21b is connected with the insulation viscose glue insulated part, thereby form a plurality of complete insulator caps, thereby insulation coats the tooth 12 and the groove 11 of stator, and annulus peripheral edge portion 22a and 22b are bonded in respectively on the top and bottom of iron core.Need therefore, there be the conforming problem that is difficult to guarantee the lower insulator size by manual bonding each insulator cap when the insulator of this structure is assemblied on the stator, may causes to form complete insulator cap, and increase assembly difficulty.
In addition, between the last lower insulator, be connected by viscose glue between insulator and the iron core, the temperature change of stator or can cause the disengagement of viscose glue when vibration takes place causes the accident.
Summary of the invention
In the stator of the resolver of prior art, cause the winding wire fracture in order to prevent winding expansion or contraction, need on lead connecting terminal, twine the extension of winding, and on lead connecting terminal, be connected with the end and the lead-in wire of the extension of winding, thereby caused the annexation complexity of lead connecting terminal and insulator.Therefore, the invention provides a kind of stator insulator, described insulator is assemblied on the stator can simplify above-mentioned assembly technology; The present invention also provides a kind of stator that uses the resolver of described insulator.
Insulator of the present invention comprises insulator cap annulus part, annulus peripheral edge portion and extension, and wherein, the extension of described insulator has a plurality of insulation boss.
The stator of resolver of the present invention comprises iron core, insulator, lead connecting terminal, winding and lead-in wire, and described iron core has equally distributed tooth and groove; Described insulator comprises annulus peripheral edge portion, insulator cap annulus part and extension, and the insulator cap annulus of described insulator partly is coated on the described iron core; Described winding be wrapped on the tooth that is coated with described insulator cap annulus part and with described iron core electric insulation; Described lead connecting terminal is fixed on the described extension and is connected with the end of the extension of described lead-in wire and described winding, wherein, the extension of described insulator has a plurality of insulation boss, and the extension of described winding is wrapped on the described insulation boss.
When described insulator is assemblied on the stator, the extension of described winding can be wrapped on the described insulation boss to prevent winding wire fracture by winding expands or contraction causes, make described lead connecting terminal only play the effect of the end of the extension that connects described lead-in wire and described winding, thereby simplified the assembly technology between the extension of described lead connecting terminal and described insulator, described lead-in wire, described winding greatly, and then simplified the assembling of stator.
Description of drawings
Fig. 1 is the structural representation of stator of the resolver of prior art;
Fig. 2 is the schematic diagram of upper insulator 20a of stator of the resolver of prior art;
Fig. 3 is the schematic diagram of lower insulator 20b of stator of the resolver of prior art;
Fig. 4 is the view according to a kind of execution mode of insulator of the present invention;
Fig. 5 is the rear view according to the another kind of execution mode of insulator of the present invention;
Fig. 6 is the structural representation according to a kind of execution mode of the stator of resolver of the present invention;
Fig. 7 is the annexation schematic diagram of lead connecting terminal in a kind of execution mode of stator shown in Figure 6, winding and lead-in wire.
Embodiment
According to a kind of execution mode of insulator of the present invention, as shown in Figure 4, this stator comprises insulator cap annulus part 21, annulus peripheral edge portion 22 and extension 23 with insulator 20, and wherein, described extension 23 has a plurality of insulation boss 231.The annulus outside of the insulator cap annulus part 21 of described insulator 20 is connected with annulus peripheral edge portion 22, extension 23 stretches out from the part of annulus peripheral edge portion 22, when described insulator 20 is assembled to stator, prevent on the boss 231 that winding wire from expanding or shrink and cause winding wire fracture thereby the extension of winding 50 can be wrapped under the effect of variations in temperature or vibration, thereby the lead connecting terminal 40 that makes stator needn't be born this extra effect, only is used to connect the extension of lead-in wire 60 and winding 50.
Another kind of execution mode according to insulator of the present invention, the two ends of described insulator cap annulus part 21 can have described annulus peripheral edge portion 22 respectively, and described extension 23 stretches out from the part of an annulus peripheral edge portion 22, preferably, extension 23 extending radially outwardly along annulus peripheral edge portion 22.That is to say that insulator cap annulus part 21 is annulus that a plurality of equally distributed complete insulator caps surround, described insulator 20 is an integral body, thereby simplifies the assembling of insulator 20 and iron core when the assembling that is used for stator.In the present embodiment, the rear view of insulator 20 as shown in Figure 5, as can be seen, described annulus peripheral edge portion 22 is arranged on the two ends of described insulator cap annulus part 21, described extension 23 is connected with the annulus peripheral edge portion 22 of insulator cap annulus part 21 1 ends and extends radially outward, described insulator 20 is an integral body that is formed by insulating material, has a plurality of equally distributed complete insulator caps, thereby intactly coats the tooth 12 and the groove 11 of described iron core 10.Connect complicated problems with the assembling that solves upper and lower insulator.
Preferably, described insulator 20 can form an integral body with the mode of insulating material by injection mo(u)lding.
Figure 6 shows that a kind of execution mode according to the stator of resolver of the present invention, wherein, this stator comprises iron core 10, insulator 20, lead connecting terminal 40, winding 50 and goes between 60.Iron core 10 is formed by multilayer ring-type lamination riveted and has equally distributed groove 11 and a tooth 12.Insulator 20 is made by insulating material.On the tooth 12 that coats with insulator cap annulus part 21, be wound with winding 50, thereby make described winding 50 and described iron core 10 electric insulations.Lead connecting terminal 40 is fixed on the insulator 20, and is connected with the end of the extension of lead-in wire 60 and winding 50.Wherein, described extension 23 has a plurality of insulation boss 231, and the extension of winding 50 is wrapped on the insulation boss 231, thereby prevents that winding wire from rupturing because of expanding or shrinking.
Wherein, the annulus of the insulator cap annulus part 21 of described insulator 20 outside is connected with annulus peripheral edge portion 22, and extension 23 stretches out from the part of annulus peripheral edge portion 22.As shown in Figure 7, after the extension of winding 50 is wrapped on the insulation boss 231, because lead connecting terminal 40 is not used further to twine the extension of winding 50, therefore lead connecting terminal 40 can be fixed on the described extension 23 and make described lead connecting terminal 40 at least a portion expose described extension 23, thereby on the part that described lead connecting terminal 40 is exposed, be connected to the end and the lead-in wire 60 that connects to the outside of stator of the extension of winding 50, preferably, the end of the extension of winding 50 and lead-in wire 60 are welded on respectively on the part that described lead connecting terminal 40 exposes.
Preferably, the two ends of insulator cap annulus part 21 can have described annulus peripheral edge portion 22 respectively, and described extension 23 stretches out from the part of an annulus peripheral edge portion 22, more preferably, along extending radially outwardly of annulus peripheral edge portion 22, thereby make insulator 20 form an integral body.
For described insulator 20 closely is connected on the described iron core 10, and described insulator 20 integral body are formed, the present invention adopts the mode of injection mo(u)lding, and described insulator 20 is as a whole with described iron core 10 injection mouldings, thereby described insulator 20 is closely linked together with iron core 10.
Particularly, iron core 10 is placed in the injection mould, the insulating material that melts being heated is injected die cavity by high pressure, behind cooling curing, has evenly been covered the groove 11 and the tooth 12 of described iron core 10 and closely has been connected insulator 20 on the described iron core 10.Wherein injected plastics material is an insulating material, can select as engineering materials such as polypropylene.Obviously, in the insulator 20 that injection moulding obtains, the two ends of described insulator cap annulus part 21 have described annulus peripheral edge portion 22 respectively, and insulator cap annulus part 21 has a plurality of equally distributed complete insulator caps, and make described annulus peripheral edge portion 22 be formed at the both sides up and down of described iron core 10.Extension 23 is connected with the part of an annulus peripheral edge portion 22 of insulator 20 and extends radially outward.By injection mo(u)lding, described insulator 20 forms an integral body, and injection molding process makes described insulator 20 closely be connected on the described iron core 10, can not become flexible because of the influence of working temperature and vibration.
Preferably, described lead connecting terminal 40 can be injection-moulded in the described insulator 20 with iron core 10.To guarantee during injection moulding that described lead connecting terminal 40 at least a portion expose described extension 23, thus connect described winding 50 extension the end and connect lead-in wire 60 to the outside of stator.As shown in Figure 7, the part of lead connecting terminal 40 is injection-moulded in the described insulator 20, make another part of described lead connecting terminal 40 expose described extension 23, after winding the extension of winding 50 on the insulation boss 231, the end of the extension of described winding 50 and described company are connected on the part that lead connecting terminal 40 exposes to the lead-in wire 60 of the outside of stator, preferably, end and the lead-in wire 60 with the extension of winding 50 is welded on respectively on the described exposed portions serve.
Claims (11)
1. a stator is with insulator (20), and this insulator (20) comprises insulator cap annulus part (21), annulus peripheral edge portion (22) and extension (23), it is characterized in that the extension of described insulator (23) have a plurality of insulation boss (231).
2. insulator according to claim 1 (20), wherein, the annulus of insulator cap annulus part (21) outside is connected with annulus peripheral edge portion (22), and described extension (23) stretch out from the part of annulus peripheral edge portion (22).
3. insulator according to claim 2 (20), wherein, the two ends of described insulator cap annulus part (21) have described annulus peripheral edge portion (22) respectively, and described extension (23) stretch out from the part of an annulus peripheral edge portion (22).
4. according to any described insulator (20) in the claim 1 to 3, wherein said insulator (20) is formed by the mode of insulating material by injection mo(u)lding.
5. the stator of a resolver comprises iron core (10), insulator (20), lead connecting terminal (40), winding (50) and lead-in wire (60), and described iron core (10) has equally distributed tooth (12) and groove (11); Described insulator (20) comprises insulator cap annulus part (21), annulus peripheral edge portion (22) and extension (23), and described insulator cap annulus part (21) is coated on the tooth (12) and groove (11) of iron core (10); Described winding (50) be wrapped in that the tooth (12) that is coated with described insulator cap annulus part (21) is gone up and with described iron core (10) electric insulation; Described lead connecting terminal (40) is fixed on the end that the extension of described lead-in wire (60) and described winding (50) was gone up and be connected with in described extension (23), it is characterized in that, the extension of described insulator (23) has a plurality of insulation boss (231), and the extension of described winding (50) is wrapped on the described insulation boss (231).
6. the stator of resolver according to claim 5, wherein, described lead connecting terminal (40) is fixed on that go up described extension (23) and at least a portion is exposed described extension (23).
7. the stator of resolver according to claim 6, wherein, the end of the extension of described winding (50) and described lead-in wire (60) are connected on the part that described lead connecting terminal (40) exposes.
8. the stator of resolver according to claim 5, wherein, described lead connecting terminal (40) is fixed on the extension (23) of described insulator (20) by the mode of injection mo(u)lding.
9. the stator of resolver according to claim 5 wherein, is connected with annulus peripheral edge portion (22) outside the annulus of insulator cap annulus part (21), and described extension (23) stretch out from the part of annulus peripheral edge portion (22).
10. the stator of resolver according to claim 9, wherein, the two ends of described insulator cap annulus part (21) have described annulus peripheral edge portion (22) respectively, and described extension (23) stretch out from the part of an annulus peripheral edge portion (22).
11. the stator of resolver according to claim 10, wherein, described insulator (20) is to be integrally formed on the described iron core (10) by the mode of insulating material by injection mo(u)lding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810146426A CN101661835A (en) | 2008-08-28 | 2008-08-28 | Insulator for stator and stator of rotating transformer with insulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810146426A CN101661835A (en) | 2008-08-28 | 2008-08-28 | Insulator for stator and stator of rotating transformer with insulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101661835A true CN101661835A (en) | 2010-03-03 |
Family
ID=41789775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810146426A Pending CN101661835A (en) | 2008-08-28 | 2008-08-28 | Insulator for stator and stator of rotating transformer with insulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101661835A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103192994A (en) * | 2013-04-16 | 2013-07-10 | 张锦海 | Aerial photographing motor for model airplanes |
| CN105655116A (en) * | 2016-03-10 | 2016-06-08 | 王喜平 | Injection molding structure of stator iron core of rotary transformer |
| CN106992065A (en) * | 2017-03-21 | 2017-07-28 | 常州华旋传感技术有限公司 | The integrated junction track structure of the loose ends coiling of magnetic resistance speed sensor coil rack |
-
2008
- 2008-08-28 CN CN200810146426A patent/CN101661835A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103192994A (en) * | 2013-04-16 | 2013-07-10 | 张锦海 | Aerial photographing motor for model airplanes |
| CN105655116A (en) * | 2016-03-10 | 2016-06-08 | 王喜平 | Injection molding structure of stator iron core of rotary transformer |
| CN106992065A (en) * | 2017-03-21 | 2017-07-28 | 常州华旋传感技术有限公司 | The integrated junction track structure of the loose ends coiling of magnetic resistance speed sensor coil rack |
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Application publication date: 20100303 |