CN207339475U - The encapsulating structure of induction machine stator - Google Patents
The encapsulating structure of induction machine stator Download PDFInfo
- Publication number
- CN207339475U CN207339475U CN201721038036.4U CN201721038036U CN207339475U CN 207339475 U CN207339475 U CN 207339475U CN 201721038036 U CN201721038036 U CN 201721038036U CN 207339475 U CN207339475 U CN 207339475U
- Authority
- CN
- China
- Prior art keywords
- stator
- insulating layer
- induction machine
- encapsulating structure
- insulating materials
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The encapsulating structure of induction machine stator, including：One casing；One stator, is arranged in the casing, which includes：One stator core：And one stator winding around the stator core；One first insulating layer, is formed by one first insulating materials and is directly covered in the stator winding；And one second insulating layer, formed by one second insulating materials and be covered in first insulating layer；Wherein the shrinking percentage of first insulating materials is less than the shrinking percentage of second insulating materials.
Description
Technical field
The utility model be on a kind of encapsulating structure of induction machine stator, it is espespecially a kind of to improve dissipating for motor stator
The encapsulating structure of thermal effect and package strength.
Background technology
The encapsulating structure of known induction machine stator is that insulating materials is covered on stator winding with stator winding
Form insulating layer.The function of insulating layer on stator winding is can to protect stator winding, and causes leading for stator winding
Insulate between electric position and stator core, and then induction machine stator can normally be operated.But insulating layer is easily in induced electricity
Machine is produced fracture and come off during operating.The fragment of insulating layer can be mutual with rotor and stator under induction electromotor rotor high-speed rotation
Mutually rub and cause induction machine to burn.It is thus known that the encapsulating structure of induction machine stator can not only allow insulating layer completely
Effect is played, but also the time that induction machine can be made to fail is done sth. in advance.
Utility model content
The utility model provides a kind of encapsulating structure of induction machine stator, including sets the stator of an induction machine one
In casing, wherein the stator includes a stator core, and a stator winding around the stator core；Pour into one first insulation material
To form one first insulating layer in the casing, wherein first insulating layer directly overlays on the stator winding material；And fill
Enter one second insulating materials to form one second insulating layer in the casing, wherein second insulating layer is covered in first insulation
On layer.Wherein, the shrinking percentage of first insulating materials is less than the shrinking percentage of second insulating materials.
The utility model also provides a kind of encapsulating structure of induction machine stator, including a casing, a stator, one first exhausted
Edge layer and one second insulating layer, the stator are arranged in the casing.The stator includes a stator core and a stator winding, this is fixed
Sub- winding is around the stator core.First insulating layer is to be formed by one first insulating materials and directly overlayed the stator winding
On.Second insulating layer is to be formed by one second insulating materials and be covered on first insulating layer.Wherein first insulation material
The shrinking percentage of material is less than the shrinking percentage of second insulating materials.
Compared to prior art, the encapsulating structure of the utility model induction machine stator is with the first small insulation of shrinking percentage
Material forms the first insulating layer, since the first insulating layer is directly overlayed on stator winding, using shrinking percentage it is small first
Insulating materials can avoid damaging stator winding in the curing process.Furthermore the second insulating materials that the utility model uses
Mechanical strength is strong compared with the mechanical strength of the first insulating materials, therefore the second insulating layer that the second insulating materials is formed after hardening
The first insulating layer can be protected, to avoid the first insulating layer produces fracture during induction machine operates and comes off.On the other hand,
The thermal conductivity of first insulating materials is also larger, it is possible to increase the heat dissipation effect of stator.Therefore the utility model induction machine stator
Encapsulating structure can improve the heat dissipation effect and package strength of motor stator.
Brief description of the drawings
Fig. 1 is the schematic diagram before the encapsulation of the utility model induction machine stator；
Fig. 2 is that the encapsulating structure of the utility model induction machine stator forms the schematic diagram before the first insulating layer；
Fig. 3 is that the encapsulating structure of the utility model induction machine stator forms the schematic diagram after the first insulating layer；
Fig. 4 is that the encapsulating structure of the utility model induction machine stator forms the schematic diagram before the second insulating layer；
Fig. 5 is that the encapsulating structure of the utility model induction machine stator forms the schematic diagram after the second insulating layer；
Fig. 6 is the schematic diagram after the completion of the encapsulation of the utility model induction machine stator；
Fig. 7 is the flow chart of the method for packing of the utility model induction machine stator.
Reference numeral：
110：Casing；120：Stator；130：Stator core；140：Stator winding；150：First insulating layer；160：Second is exhausted
Edge layer；210：Encapsulating die on first；220：First time encapsulating die；230：Sealing container；240：Injection hole；250：Pumping
Hole；310：Second encapsulating die；400：Flow chart；410 to 430：Step.
Embodiment
Please refer to Fig.1.Fig. 1 is the schematic diagram before the encapsulation of the utility model induction machine stator.As shown in Figure 1, this practicality
New induction machine stator 120 includes a stator core 130 and a stator winding 140.Stator winding 140 is to be looped around stator
On iron core 130.After the stator 120 of induction machine is arranged in the casing 110 of induction machine, the utility model induction machine is determined
The encapsulating structure of son can be packaged the stator 120 of induction machine.
It please also refer to Fig. 2 and Fig. 3.Fig. 2 is that the encapsulating structure of the utility model induction machine stator forms the first insulation
Schematic diagram before layer.Fig. 3 is that the encapsulating structure of the utility model induction machine stator forms the schematic diagram after the first insulating layer.Such as
Shown in figure, the encapsulating structure of the utility model induction machine stator can be by encapsulating die on first 210 and first time encapsulating die
220 are installed in stator 120.Afterwards, stator 120, encapsulating die 210 and first time encapsulating die 220 on casing 110, first
It can be put into togerther in sealing container 230.Sealing container 230 has an injection hole 240 and an aspirating hole 250.Injection hole 240 is
For being connected to an insulating materials injection device (not shown), and aspirating hole 250 is that (figure is not for being connected to a pumped vacuum systems
Show).It is whole close to be allowed via aspirating hole 250 that the encapsulating structure of the utility model induction machine stator can first start pumped vacuum systems
Seal container 230 and form a vacuum state, afterwards pour into one first insulating materials via the injection hole 240 in sealing container 230
In casing 110.First insulating materials can be via encapsulating die 210 and first time encapsulating die 220 on first after entering casing 110
Guiding is covered on stator winding 140 to form one first insulating layer 150, and the first insulating layer 150 is to directly overlay stator
On winding 140.Afterwards, the encapsulating structure of the utility model induction machine stator is by embedding mould on stator 120, casing 110, first
Tool 210 and first time encapsulating die 220 take out from sealing container 230 together, and are put into baking oven and heat so that the first insulation
Layer 150 cures.After the first insulating layer 150 cures, encapsulating die 210 and first time encapsulating die 220 can move on first
Remove.
It please also refer to Fig. 4 and Fig. 5.Fig. 4 is that the encapsulating structure of the utility model induction machine stator forms the second insulation
Schematic diagram before layer.Fig. 5 is that the encapsulating structure of the utility model induction machine stator forms the schematic diagram after the second insulating layer.Such as
Shown in figure, after the first insulating layer 150 cures, the encapsulating structure of the utility model induction machine stator can be by the second encapsulating die
310 are installed in stator 120.Afterwards, stator 120, casing 110, the second encapsulating die 310 can be put into togerther sealing container 230
It is interior.Next, the encapsulating structure of the utility model induction machine stator can start pumped vacuum systems 250 with via aspirating hole 250
Allow whole sealing container 230 to form a vacuum state, one second insulate via the injection hole 240 in sealing container 230 afterwards
Material is poured into casing 110.Second insulating materials can be covered in after entering casing 110 via the guiding of the second encapsulating die 310
On first insulating layer 150, to form one second insulating layer 160.Afterwards, the encapsulating structure of the utility model induction machine stator will
Stator 120,110 and second encapsulating die 310 of casing take out from sealing container 230 together, and be put into baking oven heat so that
Second insulating layer 160 cures.After the second insulating layer 160 cures, the second encapsulating die 310 can remove.
It refer to Fig. 6.Fig. 6 is the schematic diagram after the completion of the encapsulation of the utility model induction machine stator.As shown in the figure, sensing
Encapsulating structure after the completion of motor stator encapsulation includes casing 110, stator 120, the first insulating layer 150 and the second insulating layer
160.Wherein, the first insulating layer 150 is to be formed by the first insulating materials and directly overlayed on stator winding 140, and second is exhausted
Edge layer 160 is then to be expected to be formed by the second insulation material and be covered on the first insulating layer 150.In the utility model, first is exhausted
The shrinking percentage of edge material is less than the shrinking percentage of the second insulating materials.For example, the first insulating materials can be that silica gel (is shunk
About 0.2%), the second insulating materials can be epoxy resin (shrinking percentage about 2%) to rate.Since the first insulating layer 150 is directly to cover
Cover on stator winding 140, can reduce the first contact with stator winding 140 of insulating layer 150 using the small silica gel of shrinking percentage
Caused stress in the curing process between face, to avoid stator winding 140 is damage in the curing process.In addition, epoxy
The mechanical strength of resin is strong compared with the mechanical strength of silica gel, therefore epoxy resin can protect silica gel after hardening, to avoid first
Insulating layer 150 is produced fracture and come off during induction machine operates.Furthermore since the thermal conductivity (2.8W/mk) of silica gel is compared with ring
The thermal conductivity (2.12W/mk) of oxygen tree fat is high, therefore the first insulating layer 150 of silica gel formation can also improve the heat dissipation of stator 120
Effect.
On the other hand, in the utility model, the volume that the first insulating materials is poured into casing 110 is more than the second insulation material
Material pours into the volume in casing 110.It is preferred that the first insulating materials and the second insulating materials pour into the volume ratio in casing 110
Substantially 7：3.Weight due to pouring into the insulating materials in casing 110 can directly influence the weight of induction machine, using than
The small insulating materials of weight can reduce the weight of induction machine.For example, when the first insulating materials is silica gel (ratio weighs about 4.2)
And second insulating materials when being epoxy resin (ratio weighs about 14), form insulation compared to all casing is poured into using epoxy resin
The weight of the induction machine of layer, the utility model use volume ratio 7：3 silica gel pours into casing to form insulation with epoxy resin
The weight of the induction machine of layer can reduce about percent 49.
In addition, in the encapsulating structure of the utility model induction machine stator, the thickness of the second insulating layer 160 is more than 2 millis
Rice.It is preferred that the thickness of the second insulating layer 160 is 3 to 5 millimeters.
It refer to Fig. 7.Fig. 7 is the flow chart of the method for packing of the utility model induction machine stator.The utility model sense
Answer the flow 400 such as the following steps of the method for packing of motor stator：
Step 410：The stator of one induction machine is set in a casing, wherein the stator includes a stator core and one
Stator winding is around the stator core；
Step 420：One first insulating materials is poured into form one first insulating layer in the casing, wherein first insulation
Layer is directly overlayed on the stator winding；And
Step 430：One second insulating materials is poured into form one second insulating layer in the casing, wherein second insulation
Layer is covered on first insulating layer.
In addition, the method for packing of the utility model induction machine stator is not necessarily to according to sequence described above, and other are walked
Suddenly can also be between above-mentioned steps.
Compared to prior art, the encapsulating structure of the utility model induction machine stator is with the first small insulation of shrinking percentage
Material forms the first insulating layer, since the first insulating layer is directly overlayed on stator winding, using shrinking percentage it is small first
Insulating materials can avoid damaging stator winding in the curing process.Furthermore the second insulating materials that the utility model uses
Mechanical strength is strong compared with the mechanical strength of the first insulating materials, therefore the second insulating layer that the second insulating materials is formed after hardening
The first insulating layer can be protected, to avoid the first insulating layer produces fracture during induction machine operates and comes off.On the other hand,
The thermal conductivity of first insulating materials is also larger, it is possible to increase the heat dissipation effect of stator.Therefore the utility model induction machine stator
Encapsulating structure can improve the heat dissipation effect and package strength of motor stator.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the present invention, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on, should be included within the scope of protection of this utility model.
Claims (4)
1. a kind of encapsulating structure of induction machine stator, including：
One casing；
One stator, is arranged in the casing, which includes：
One stator core：And
One stator winding is around the stator core；
One first insulating layer, is formed by one first insulating materials and is directly overlayed on the stator winding；And
One second insulating layer, is formed by one second insulating materials and is covered on first insulating layer；
Wherein the shrinking percentage of first insulating materials is less than the shrinking percentage of second insulating materials.
2. encapsulating structure as claimed in claim 1, wherein first insulating materials are silica gel.
3. encapsulating structure as claimed in claim 2, wherein second insulating materials are epoxy resin.
4. encapsulating structure as claimed in claim 1, the wherein thickness of second insulating layer are more than 2 millimeters.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721038036.4U CN207339475U (en) | 2017-08-18 | 2017-08-18 | The encapsulating structure of induction machine stator |
| TW106140248A TW201914176A (en) | 2017-08-18 | 2017-11-21 | Induction motor stator package method |
| TW106217256U TWM559543U (en) | 2017-08-18 | 2017-11-21 | Induction motor stator package structure |
| US15/992,156 US10483820B2 (en) | 2017-08-18 | 2018-05-29 | Method of encapsulating induction motor stator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721038036.4U CN207339475U (en) | 2017-08-18 | 2017-08-18 | The encapsulating structure of induction machine stator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207339475U true CN207339475U (en) | 2018-05-08 |
Family
ID=62372963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721038036.4U Active CN207339475U (en) | 2017-08-18 | 2017-08-18 | The encapsulating structure of induction machine stator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207339475U (en) |
-
2017
- 2017-08-18 CN CN201721038036.4U patent/CN207339475U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1144246C (en) | Encapsulated vacuum interrupter and method of making same | |
| JP5033252B1 (en) | CAND MOTOR PUMP AND METHOD OF FILLING PACKING MATERIAL IN ITS STATOR ROOM | |
| JP6168153B2 (en) | Semiconductor device | |
| JPH04223305A (en) | Casting-coated device | |
| CN108702053A (en) | For the improved slot liner thermal conductivity of motor | |
| WO2021098181A1 (en) | Transformer and transformer machining process | |
| WO2017004957A1 (en) | Insulating bush made of thermoplastic material and production method therefor | |
| CN109412304A (en) | The packaging method and structure of induction machine stator | |
| CN207339475U (en) | The encapsulating structure of induction machine stator | |
| CN102468725B (en) | A kind of process for encapsulating stator coil in motor | |
| TWM559543U (en) | Induction motor stator package structure | |
| US10050488B2 (en) | Slot sealing material, slot seal and method for producing a slot seal | |
| CN107369629B (en) | A kind of local pouring method preventing device leakage current | |
| CN107846090A (en) | A kind of oil immersed type motor stator structure and its manufacture method | |
| CN212572230U (en) | Permanent magnet motor coil end single face pouring heat radiation structure | |
| CN106441625A (en) | Temperature sensor and manufacturing method thereof | |
| CN205542412U (en) | Built -in blast proof dry -type power capacitor of pressure | |
| CN206877729U (en) | Cracking resistance cable | |
| CN206947078U (en) | A kind of structure for preventing impregnation between arrester resistor disc | |
| CN206116376U (en) | TO total incapsulation packaging structure | |
| CN202978468U (en) | Brushless rotary transformer with high protection grade | |
| CN216749509U (en) | Magnetic suspension electromagnet unit | |
| CN201839107U (en) | Stator coil packaged in motor | |
| KR101076543B1 (en) | Molding Method of Metal Clad Resistor | |
| CN201185359Y (en) | 10kV safety brushless excitation synchronous motor stator coil |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200605 Address after: 210046, two, Gangcheng Road, Longtan Town, Qixia District, Nanjing, Jiangsu Patentee after: WEIRAN (NANJING) POWER TECHNOLOGY Co.,Ltd. Address before: 200000 room 2901, No. 1438 Hongqiao Road, Changning District, Shanghai (nominal 33 storey) Patentee before: Shanghai XPT Technology Ltd. |
|
| TR01 | Transfer of patent right |