CN104467234B - Motor and magnetic pole insulation structure - Google Patents
Motor and magnetic pole insulation structure Download PDFInfo
- Publication number
- CN104467234B CN104467234B CN201410812229.5A CN201410812229A CN104467234B CN 104467234 B CN104467234 B CN 104467234B CN 201410812229 A CN201410812229 A CN 201410812229A CN 104467234 B CN104467234 B CN 104467234B
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- Prior art keywords
- pole
- supporting plate
- insulation structure
- plate framework
- coil
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/32—Windings characterised by the shape, form or construction of the insulation
- H02K3/34—Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation
- H02K3/345—Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation between conductor and core, e.g. slot insulation
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Insulation, Fastening Of Motor, Generator Windings (AREA)
Abstract
The invention discloses a magnetic pole insulation structure of a motor. The magnetic pole insulation structure comprises a supporting plate frame which comprises an upper supporting plate frame (2) and a lower supporting plate frame (5). The upper supporting plate frame (2) and the lower supporting plate frame (5) are arranged at the upper end and the lower end of a magnetic pole coil (6) respectively in a sleeving mode. The supporting plate frame is an insulation frame, and the magnetic pole coil (6) is exposed. A magnetic pole iron core (3) which is arranged on the magnetic pole coil (6) in a sleeving mode is provided with a pouring structure, and insulation sealing gum can be poured to the magnetic pole insulation structure through the pouring structure. The magnetic pole insulation structure effectively solves the problem that magnetic insulation is not stable or reliable, so that insulation integration happens. The invention further discloses the motor including the magnetic pole insulation structure.
Description
Technical field
The present invention relates to technical field of motors, the pole insulation structure of more particularly to a kind of motor.Additionally, the present invention is also
It is related to a kind of motor including above-mentioned pole insulation structure.
Background technology
The rotor magnetic pole of motor is made up of pole coil, pole core two large divisions, such as main and backup generator, pole line
Circle, pole core are the vitals setting up rotating excitation field magnetic induction, and, the electrical equipment such as pole insulation structure and materials on motor
The safety of equipment is extremely important.Pole insulation structure design and selection are improper, and insulation resistance is relatively low, and pole insulation structure can be subject to
The etchant gases such as acid, alkali are encroached on, and cause coil unclean, overheated or excessively moist, ambient temperature is too low, will cause insulation knot
The fault such as structure is aging.
In prior art, motor coil is put down around rear, between coil in addition to need pad turn-to-turn insulation, after usual coil solidating molding
Also need to carry out outsourcing insulation, guarantee motor safety reliability service.Coil set magnetic pole when, between gap often using felt, fill out
Fill the materials such as mud to be insulated.But, the thermal diffusivity of this pole insulation structure is poor, and temperature rise is higher, the easy moisture absorption, outsourcing
Insulating surface easily tarnishes, the unstable reliability of motor insulation structure, and strict to technological requirement, time-consuming takes material.
In sum, how to efficiently solve the unstable reliable problem of pole insulation, be current those skilled in the art
Urgent problem.
Content of the invention
It is an object of the invention to provide a kind of pole insulation structure, efficiently solve the unstable reliability of pole insulation, make
The problems such as insulation integration；It is a further object of the present invention to provide a kind of motor including above-mentioned pole insulation structure.
For solving above-mentioned technical problem, the present invention provides following technical scheme：
A kind of pole insulation structure of motor, including supporting plate framework, described supporting plate framework includes pop-up plate framework and subiculum
Plate framework, described pop-up plate framework and subiculum plate framework are set with the upper and lower end in pole coil, described supporting plate
Framework is Insulating frame, and described pole coil is exposed, and pole core on described pole coil for the set pole has integrated cast structure, leads to
Crossing described integrated cast structure can be to the casting insulated fluid sealant of described pole insulation structure.
Preferably, described supporting plate framework passes through moulding compound compression molding；Described supporting plate framework and the compacting of described pole coil
Molding.
Preferably, described supporting plate framework specifically adopts composite fiberglass material to strengthen moulding compound compression molding.
Preferably, the internal and external frames consistent size of the compact dimensions of described supporting plate framework and described pole coil.
Preferably, described integrated cast structure is specially opened in the plug hole on described pole core, pours from described plug hole
The fluid sealant of note can fill the gap between described supporting plate framework, pole coil and pole core.
Preferably, described fluid sealant is specially in RTV silica gel, and described RTV silica gel and is furnished with catalyst.
Preferably, the pressing plate that described pole core includes iron core body and is located at described iron core body two ends, described cast
Hole is particularly located on described pressing plate；And the diameter disc of described plug hole is flushed with the outer face of described pressing plate.
Preferably, there is between described supporting plate framework and described pole coil the felt pad in adjustment gap.
Preferably, the described pole coil turn-to-turn soaking through insulating varnish is lined with the fibrous paper of insulation；
The first circle end of described pole coil and last circle end are all enclosed with composite insulating foil and glass lagos rubber.
The present invention also provides a kind of motor, is installed on rotor including pole insulation structure and described pole insulation structure
On, described pole insulation structure is specially the pole insulation structure described in any of the above-described.
The pole insulation structure of motor provided by the present invention, including supporting plate framework, supporting plate framework includes pop-up plate framework
With subiculum plate framework, mounting plate framework is set in the upper end of pole coil, and bottom plate framework is set in the lower end of pole coil
Portion, the bare copper wire of the magnetic pole of motor is put down and is wound on coil die, and pole coil does not have outsourcing to insulate, and supporting plate framework is not by magnetic
Polar curve circle is closed in wherein, and supporting plate framework is Insulating frame, and pole coil is exposed.Pole core tool on pole coil for the set pole
There is integrated cast structure, can be injected in pole insulation structure to the casting insulated fluid sealant of pole insulation structure by integrated cast structure
The fluid sealant in portion reaches the gap of pole coil and pole core, makes do not have space between pole coil and pole core, makes absolutely
Edge integration, the heat producing during motor pole work can directly shed, and heat will not be gathered in inside magnetic pole, controls temperature
Rise, be effectively improved the stability of insulation system, thereby may be ensured that motor safety reliability service.
This kind of pole insulation structure ensure that motor radiating preferably, and temperature rise will not be too high, is difficult the moisture absorption；And, supporting plate
Framework surface is difficult to tarnish, and motor insulation structure is reliable and stable；Meanwhile, motor insulation structure processing technique is simple, saves former
Material.
The present invention also provides a kind of motor, is installed on rotor including pole insulation structure and pole insulation structure,
This pole insulation structure is specially any of the above-described kind of pole insulation structure.Because above-mentioned pole insulation structure has above-mentioned technology
Effect, the motor with this pole insulation structure also should have corresponding technique effect.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Have technology description in required use accompanying drawing be briefly described it should be apparent that, drawings in the following description be only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, acceptable
Other accompanying drawings are obtained according to these accompanying drawings.
The pole assemblage figure that Fig. 1 is provided by specific embodiment a kind of in the present invention；
Fig. 2 is the left view of Fig. 1；
Fig. 3 is the sectional view in A-A face in Fig. 1；
Fig. 4 is the structural representation of pole coil in Fig. 1；
Fig. 5 is the left view of Fig. 4；
Fig. 6 is the sectional view in B-B face in Fig. 4.
In accompanying drawing, labelling is as follows：
1- pressing plate, 2- pop-up plate framework, 3- pole core, 4- plug hole, 5- subiculum plate framework, 6- pole coil, 7- are exhausted
Edge pad.
Specific embodiment
The core of the present invention is to provide a kind of pole insulation structure, efficiently solves the unstable reliability of pole insulation, makes
The problems such as insulation integration；Another core of the present invention is to provide a kind of motor including above-mentioned pole insulation structure.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation description is it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of not making creative work
Embodiment, broadly falls into the scope of protection of the invention.
Refer to Fig. 1 to Fig. 6, the pole assemblage figure that Fig. 1 is provided by specific embodiment a kind of in the present invention；Fig. 2 is
The left view of Fig. 1；Fig. 3 is the sectional view in A-A face in Fig. 1；Fig. 4 is the structural representation of pole coil in Fig. 1；Fig. 5 is Fig. 4's
Left view；Fig. 6 is the sectional view in B-B face in Fig. 4.
In a kind of specific embodiment, the pole insulation structure of motor provided by the present invention, pole insulation structure and
Material is extremely important for the safety of the electric equipments such as motor, and motor is specifically as follows main and backup generator.Magnetic pole includes pole line
Circle 6 and pole core 3, pole coil 6 and pole core 3 are part common on the market, and magnetic pole is to set up rotating excitation field magnetic strength
The vitals answered.Pole insulation structure includes supporting plate framework, and supporting plate framework includes pop-up plate framework 2 and subiculum plate framework 5, on
Supporting plate framework 2 is set in the upper end of pole coil 6, and subiculum plate framework 5 is set in the bottom of pole coil 6.The magnetic of motor
The bare copper wire of pole is put down and is wound on coil die, and pole coil 6 does not have outsourcing to insulate, and pop-up plate framework 2 is set in pole coil 6
Upper end, subiculum plate framework 5 is set in the bottom of pole coil 6.Supporting plate framework can be one or more insulant
Combination, can according to the feature of motor and dimensional requirement will supporting plate framework and conductor part design integral, have in order to completely cut off
The current-carrying part of potential difference.Pole insulation is carried out by supporting plate framework, insulation resistance is the most basic insulation index of motor, is to comment
One of important symbol of valency insulation quality, insulation resistance is the bigger the better.Insulator has the characteristic stoping electric current from passing through, non-conductive.
Ideal resistance is infinitely great, but reality always has leakage current to pass through, and insulation resistance can stop leakage current from passing through, and resistance is bigger better,
Insulation resistance is often affected by environment, such as the etchant gas such as epidemic disaster, acid, alkali.Pole insulation is carried out by supporting plate framework,
Supporting plate framework is Insulating frame, and insulation resistance is larger, can be with insulation against ground.Pole coil 6 does not have outsourcing to insulate, and supporting plate framework does not have
Have and pole coil 6 is closed in wherein, supporting plate framework is Insulating frame, pole coil 6 is exposed, produce during motor pole work
Heat can directly shed, and heat will not be gathered in inside magnetic pole, controls temperature rise.Magnetic pole ferrum on pole coil 6 for the set pole
Core 3 has integrated cast structure, can inject pole insulation knot to the casting insulated fluid sealant of pole insulation structure by integrated cast structure
Fluid sealant within structure can reach the gap of pole coil 6 and pole core 3, makes not have between pole coil 6 and pole core 3
There is space, make insulation integration, be effectively improved the stability of insulation system, thereby may be ensured that motor safety is reliably transported
OK.
This kind of pole insulation structure, preferably, temperature rise is good, is difficult the moisture absorption for magnetic pole thermal diffusivity；And, supporting plate framework surface is not
Easily tarnish, motor insulation structure is reliable and stable；Meanwhile, motor insulation structure processing technique is simple, saves raw material.
Above-mentioned pole insulation structure is only a kind of preferred version, is specifically not limited thereto, on this basis can be according to reality
Border needs to make having targetedly to adjust, thus obtaining different embodiments, supporting plate framework passes through moulding compound compression molding；
Supporting plate framework and pole coil 6 are compressing.Supporting plate framework compression molding process is specially first by powdery, granular or fibrous
Plastics are put in the mold cavity under forming temperature, and then mold closing pressurizes and makes its molding and solidify.Plastics are specifically as follows mould
Plastics, moulding compound is thermosetting plastics, and moulding compound has higher physical dimension stability, the complexity more resistant to extreme high heat and humidity
The features such as environment, chemicals-resistant burn into high mechanical properties.Supporting plate framework and pole coil 6 are compressing, supporting plate framework and magnetic pole
Coil 6 is assembled into an entirety, for insulation against ground.
On the basis of above-mentioned specific embodiment, those skilled in the art can be according to the difference of concrete occasion, to magnetic
Pole insulation system carries out some changes, and supporting plate framework specifically adopts composite fiberglass material to strengthen moulding compound compression molding.Can
To strengthen the insulating properties of supporting plate framework using composite fiberglass material, composite fiberglass material is specifically as follows unsaturation
Polyester glass fiber, it is, of course, also possible to be other suitable isolation material, which kind of isolation material specifically used can be according to concrete
Applicable cases sets itself, the present invention does not do to this and limits further, all in protection domain.
Obviously, under the guidance of this thought, those skilled in the art can be according to the difference of concrete occasion to above-mentioned
Supporting plate framework in specific embodiment carries out some changes, the internal and external frames chi of the compact dimensions of supporting plate framework and pole coil 6
Very little consistent.Preferably, the size of supporting plate framework is moderate, too greatly, with pole line for the supporting plate framework plasticity of moulding compound compression molding
The size of circle 6 is inharmonious, affects aesthetic property, also increases the load-bearing burden of motor；Too little, possible insulation against ground is bad, impact electricity
The normal operation of machine.Preferably, the size of supporting plate framework and the internal and external frames consistent size of pole coil 6, not only coordinate attractive in appearance,
The better performances of its insulation against ground can also be ensured；Meanwhile, supporting plate framework just coincide with pole coil 6 inside casing size, permissible
Make pole coil 6 and the integration of supporting plate framework magnetic pole.
It is important to note that pole insulation structure provided by the present invention is not intended to be limited to this kind of situation, cast
Structure is specially opened in the plug hole 4 on pole core 3, and the plug hole 4 on pole core 3 is through hole, pours into a mould from plug hole 4
Fluid sealant can fill the gap between supporting plate framework, pole coil 6 and pole core 3.Supporting plate framework and 6 groups of pole coil
Install, affixed to insulating paper on pole core 3 using glue, carry out pole core 3 and pole coil 6 is set with.Supporting plate framework,
There is between pole coil 6 and pole core 3 gap, supporting plate framework, pole coil 6 and pole core 3 are not an entirety, shadow
Ring insulation against ground, for this, plug hole 4 can be opened up on pole core 3, from the plug hole 4 note fluid sealant of pole core 3, make
The gap between supporting plate framework, pole coil 6 and pole core 3 filled by fluid sealant, and the fluid sealant of injection finally flows into magnetic pole ferrum
In any space between core 3 and pole coil 6.Fluid sealant is filled as far as possible to gap depths, and outer surface is as far as possible smooth, filling
Standing setting time after finishing, such as 4 hours, adhesive curing to be sealed, eliminate the gap within magnetic pole, make magnetic pole integration more
Firmly, fine and close and compact.Air gap is not had to flow inside pole core 3, produced by magnetic pole, heat energy can directly shed, absolutely
More preferably, the temperature rise of motor reduces edge performance, and operate more stable reliability, so that the dielectric level of motor pole has reached new height
Degree, has good electric, mechanical, heat-resisting, anti-moisture performance, and the contaminated ability of resistance to surface is strong, thus improve motor can
By property.
In order to optimize technique scheme further it is preferable that being furnished with fluid sealant specially RTV silica gel, and RTV silica gel
Catalyst.Fluid sealant is specifically as follows RTV silica gel, it is, of course, also possible to be other suitable fluid sealant.RTV silica gel has height leads
The features such as hot, cohesive force is strong, RTV silica gel is a kind of fluid sealant, can make supporting plate framework, pole coil 6 and pole core 3 relatively
Good bonding, makes magnetic pole integration more compact.Special-purpose catalyst can be joined in RTV silica gel, further enhance fluid sealant
Caking property, makes magnetic pole integration more firm.
Pole insulation structure provided by the present invention, in the case of other parts are immovable, pole core 3 includes iron core
Body and the pressing plate 1 being located at iron core body two ends, plug hole 4 is particularly located on pressing plate 1；And the diameter disc of plug hole 4 and pressure
The outer face of plate 1 flushes.The end of pole core 3 is pressing plate 1, and pressing plate 1 is a part for pole core 3, specifically, cast
Hole 4 can be opened on pressing plate 1, and pressing plate 1 outer face contacting during 6 sets of pole of the diameter disc of plug hole 4 and pole coil flushes,
During injecting glue, be easy to fluid sealant flowing smooth, can fill to gap depths, reach each gap, thus keep magnetic pole integration.
Because of reasons such as manufactures, between supporting plate framework and pole coil 6, there is gap, in order to improve magnetic pole further
Integration, can arrange the felt pad 7 in adjustment gap, concrete felt pad 7 can be NHN between supporting plate framework and pole coil 6
Composite insulating foil.NHN composite insulating foil is that one kind is preferably carried out mode, is not unique, can also be the felt pad 7 of other materials.
In addition to insulation against ground, another inventive concept provided by the present invention is, soaks through insulating varnish
Pole coil 6 turn-to-turn is lined with the fibrous paper of insulation；The first circle end of pole coil 6 and last circle end are all enclosed with composite insulating foil and glass
Glass lagos rubber.Pole coil 6 is flat to launch turn-to-turn around rear, soaks bare wire circle with insulating varnish, after drying, every layer of turn-to-turn pad insulation
Fibrous paper, fibrous paper can be no asbestos high temperature insulation fibrous paper, can also be the fibrous paper of other materials, concrete fiber paper
The number of plies do not do and limit further.Insulating varnish can be water base insulating varnish, can also be other insulating varnishes.Pole line
NHN composite insulating foil and glass lagos rubber can be wrapped up in the first circle end of circle 6 and last circle end, first, last circle end is carried out exhausted over the ground
Edge and tightening up.
Based on the pole insulation structure providing in above-described embodiment, present invention also offers a kind of motor, this motor includes
Pole insulation structure and pole insulation structure are installed on rotor, and wherein pole insulation structure is any in above-described embodiment
A kind of pole insulation structure.Employ the pole insulation structure in above-described embodiment due to this motor, so this motor is beneficial
Effect refer to above-described embodiment.
In this specification, each embodiment is described by the way of going forward one by one, and what each embodiment stressed is and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses the present invention.
Multiple modifications to these embodiments will be apparent from for those skilled in the art, as defined herein
General Principle can be realized without departing from the spirit or scope of the present invention in other embodiments.Therefore, the present invention
It is not intended to be limited to the embodiments shown herein, and be to fit to and principles disclosed herein and features of novelty phase one
The scope the widest causing.
Claims (8)
1. it is characterised in that including supporting plate framework, described supporting plate framework includes pop-up sheet frame to a kind of pole insulation structure of motor
Frame (2) and subiculum plate framework (5), described pop-up plate framework (2) and subiculum plate framework (5) are set with pole coil (6)
Upper and lower end, described supporting plate framework is Insulating frame, and described pole coil (6) is exposed, and set pole is in described pole coil
(6) pole core (3) on has integrated cast structure, can be casting insulated to described pole insulation structure by described integrated cast structure
Fluid sealant；
Described integrated cast structure is specially opened in the plug hole (4) on described pole core (3), from described plug hole (4) cast
Fluid sealant can fill the gap between described supporting plate framework, pole coil (6) and pole core (3)；
The pressing plate (1) that described pole core (3) includes iron core body and is located at described iron core body two ends, described plug hole (4)
It is particularly located on described pressing plate (1)；And the diameter disc of described plug hole (4) is flushed with the outer face of described pressing plate (1).
2. pole insulation structure according to claim 1 is it is characterised in that described supporting plate framework is molded into by moulding compound
Type；Described supporting plate framework and described pole coil (6) are compressing.
3. pole insulation structure according to claim 2 is it is characterised in that described supporting plate framework specifically adopts compound glass
Fibrous material strengthens moulding compound compression molding.
4. pole insulation structure according to claim 2 it is characterised in that the compact dimensions of described supporting plate framework with described
The internal and external frames consistent size of pole coil (6).
5. pole insulation structure according to claim 1 is it is characterised in that described fluid sealant is specially RTV silica gel, and institute
State in RTV silica gel and be furnished with catalyst.
6. the pole insulation structure according to any one of claim 1-5 is it is characterised in that described supporting plate framework and described magnetic
There is between polar curve circle (6) felt pad (7) in adjustment gap.
7. the pole insulation structure according to any one of claim 1-5 it is characterised in that through insulating varnish soak institute
State the fibrous paper that pole coil (6) turn-to-turn is lined with insulation；
The first circle end of described pole coil (6) and last circle end are all enclosed with composite insulating foil and glass lagos rubber.
8. a kind of motor, be installed on rotor including pole insulation structure and described pole insulation structure it is characterised in that
Described pole insulation structure is specially the pole insulation structure described in any one of claim 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410812229.5A CN104467234B (en) | 2014-12-23 | 2014-12-23 | Motor and magnetic pole insulation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410812229.5A CN104467234B (en) | 2014-12-23 | 2014-12-23 | Motor and magnetic pole insulation structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104467234A CN104467234A (en) | 2015-03-25 |
| CN104467234B true CN104467234B (en) | 2017-02-15 |
Family
ID=52912801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410812229.5A Active CN104467234B (en) | 2014-12-23 | 2014-12-23 | Motor and magnetic pole insulation structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104467234B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1901328A (en) * | 2003-05-23 | 2007-01-24 | 本田技研工业株式会社 | Stator and insulating bobbin and a manufacturing method of the stator |
| CN101895157A (en) * | 2010-07-28 | 2010-11-24 | 重庆长安汽车股份有限公司 | Electrical machine insulation stator for vehicle |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003111329A (en) * | 2001-10-03 | 2003-04-11 | Mitsubishi Electric Corp | Stator for rotating electric machine |
-
2014
- 2014-12-23 CN CN201410812229.5A patent/CN104467234B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1901328A (en) * | 2003-05-23 | 2007-01-24 | 本田技研工业株式会社 | Stator and insulating bobbin and a manufacturing method of the stator |
| CN101895157A (en) * | 2010-07-28 | 2010-11-24 | 重庆长安汽车股份有限公司 | Electrical machine insulation stator for vehicle |
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| Publication number | Publication date |
|---|---|
| CN104467234A (en) | 2015-03-25 |
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