CN207304248U - Flange-cooled shield electric machine stator - Google Patents
Flange-cooled shield electric machine stator Download PDFInfo
- Publication number
- CN207304248U CN207304248U CN201721219192.0U CN201721219192U CN207304248U CN 207304248 U CN207304248 U CN 207304248U CN 201721219192 U CN201721219192 U CN 201721219192U CN 207304248 U CN207304248 U CN 207304248U
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- flange
- casing body
- stator winding
- stator
- heat
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Abstract
The utility model discloses a kind of flange-cooled shield electric machine stator, including casing body, stator winding, forward flange and rear flange, heat sink is provided with the casing body, there is preceding cavity and rear cavity before and after stator winding, heat conductive silica gel is filled in the preceding cavity and the rear cavity.The heat that two end-coil of stator winding produces quickly is passed on casing body using the heat-transfer effect of heat conductive silica gel, stator ferrite core can be transferred heat to directly on casing body, the heat sink set on casing body well can distribute heat, when ensure that pumped (conveying) medium temperature is higher, requirement is disclosure satisfy that without cooling down hydroelectric machine surface temperature and stator winding coil temperature.
Description
Technical field
A kind of shield electric machine stator is the utility model is related to, is specifically a kind of flange-cooled shield electric machine stator.
Background technology
Canned motor pump all uses in the place that oil, chemical industry etc. have requirement of explosion proof substantially, and shield electric machine stator surface temperature must
It must control within the temperature range of requirement of explosion proof.The type of cooling of shield electric machine mainly has air-cooled and water cooling two ways at present,
Air-cooled is exactly to be radiated by shield electric machine stator surface of shell, and water cooling is exactly that cooling is set on shield electric machine stator housing
Water leg, cools down motor with cooling water.The shortcomings that both the above type of cooling, is as follows：
Only poor by the air cooling way heat dissipation effect of motor stator machine surface of shell heat dissipation, pumped (conveying) medium temperature is little higher,
The temperature of stator winding, which will exceed stator winding insulation, allows temperature, and the aging life-span of stator winding shortens, it is another on, stator
The surface temperature of shell can also exceed the temperature of requirement of explosion proof.Although spy's C class F insulating material Fs can be used, can only ensure stator around
Group insulation allows temperature not exceeded, and more than requirement of explosion proof temperature, this problem still can't resolve stator casing surface temperature,
So chuck can only be set in motor stator machine surface of shell, cooled down using cooling water.But cooled down using water cooling
One side waste water resource, on the other hand some conditions of cooling water are not provided using the scene of canned motor pump.
Utility model content
According to technical problem set forth above, the utility model provides a kind of flange-cooled shield electric machine stator.
The utility model adopts the following technical solution：
A kind of flange-cooled shield electric machine stator, including casing body, stator winding, forward flange and rear flange, the machine
Housing is cylindrical in shape, and the both ends of the casing body are fixedly connected with the forward flange and the rear flange respectively, the casing body
Axis is overlapped with the axis of the forward flange and the rear flange, the inner wall of the casing body and the outer surface of the stator winding
It is fixedly connected, the stator winding has central through hole, and the length of the stator winding is less than the length of the casing body, described
There is certain space between the both ends of the surface of stator winding and the forward flange and the rear flange, be equipped with the central through hole tight
The stator can of the stator winding is pasted, the both ends of the stator can are consolidated with the forward flange and the rear flange respectively
Fixed connection；
Be equipped with preceding reinforcing sleeve between the front end face of the forward flange and the stator winding, the preceding reinforcing sleeve with it is described fixed
The outer surface socket of sub- housing, is equipped with rear reinforcing sleeve, after described between the rear flange and the rear end face of the stator winding
The outer surface of reinforcing sleeve and the stator can is socketed, and the stator winding passes through the preceding reinforcing sleeve and the rear reinforcing sleeve
It is fixedly connected with the forward flange and the rear flange；
The forward flange, the stator winding, the preceding reinforcing sleeve and the casing body form a closed preceding cavity, described
Rear flange, the stator winding, the rear reinforcing sleeve and the casing body form a closed rear cavity, and the casing body is described
Cavity position is provided with the motor down-lead mouth connected with rear cavity afterwards, and junction box seat is equipped with the motor down-lead mouth,
The casing external surface is equipped with multiple heat sinks, and the heat sink is evenly distributed along the axis of the casing body.
The casing body is provided with for filling heat-conductive silica gel to be led in cavity forward in the preceding cavity position
Hot silica gel filler port I, is provided with silk seat and the silk to match with the silk seat size shape at the heat conductive silica gel filler port I
It is stifled, gasket is equipped between the silk seat and the silk plug.
Be equipped with heat conductive silica gel filler port II at the top of the junction box seat, at the heat conductive silica gel filler port II equipped with it is described
The connector cover that heat conductive silica gel filler port II matches.
Heat conductive silica gel is equipped with the preceding cavity and the rear cavity.
The casing body and the heat sink manufacture for metal.
The heat conductive silica gel injects through heat conductive silica gel filler port I and fills the preceding cavity, and the heat conductive silica gel is through heat conduction
Silica gel filler port II injects further flows into and fills the rear cavity from motor down-lead mouth.
The utility model has the following advantages：
1st, the heat that two end-coil of stator winding produces quickly is passed on casing body using the heat-transfer effect of heat conductive silica gel,
Stator ferrite core can be transferred heat to directly on casing body.
2nd, the heat sink set on casing body well can distribute heat, ensure that pumped (conveying) medium temperature is higher
When, it disclosure satisfy that requirement without cooling down hydroelectric machine surface temperature and stator winding coil temperature.
The utility model can be widely popularized in fields such as shield electric machine stators for the foregoing reasons.
Brief description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is done simply to introduce, it should be apparent that, drawings in the following description are
Some embodiments of the utility model, for those of ordinary skill in the art, in the premise of not making the creative labor property
Under, other attached drawings can also be obtained according to these attached drawings.
Fig. 1 is a kind of flange-cooled shield electric machine stator structure schematic diagram of the utility model.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, those of ordinary skill in the art's all other embodiments obtained without making creative work, belongs to
The scope of the utility model protection.
As shown in Figure 1, a kind of flange-cooled shield electric machine stator, a kind of flange-cooled shield electric machine stator, including
Casing body 1, stator winding 2, forward flange 3 and rear flange 4, the casing body 1 are cylindrical in shape, the both ends of the casing body 1 respectively with
The forward flange 3 is fixedly connected with the rear flange 4, the axis of the casing body 1 and the forward flange 3 and the rear flange 4
Axis overlap, the inner wall of the casing body 1 is fixedly connected with the outer surface of the stator winding 2, and the stator winding 2 has
Central through hole, the length of the stator winding 2 are less than the length of the casing body 1, the both ends of the surface of the stator winding 2 with it is described
There is certain space between forward flange 3 and the rear flange 4, be equipped with the central through hole and be close to determining for the stator winding 2
Sub- housing 5, the both ends of the stator can 5 are fixedly connected with the forward flange 3 and the rear flange 4 respectively；
Be equipped with preceding reinforcing sleeve 51 between the front end face of the forward flange 3 and the stator winding 2, the preceding reinforcing sleeve 51 with
The outer surface of the stator can 5 is socketed, and is strengthened after being equipped between the rear end face of the rear flange 4 and the stator winding 2
Set 52, the outer surface of the rear reinforcing sleeve 52 and the stator can 5 are socketed, and the stator winding 2 passes through the preceding reinforcement
Set 51 and the rear reinforcing sleeve 52 are fixedly connected with the forward flange 3 and the rear flange 4；
It is closed preceding empty that the forward flange 3, the stator winding 2, the preceding reinforcing sleeve 51 and the casing body 1 form one
Chamber, the rear flange 4, the stator winding 2, the rear reinforcing sleeve 52 and the casing body 1 form a closed rear cavity, described
Cavity position is provided with the motor down-lead mouth 11 connected with rear cavity, the motor down-lead mouth to casing body 1 in the rear
It is equipped with junction box seat 12 at 11,1 outer surface of casing body is equipped with multiple heat sinks 6, and the heat sink 6 is along the casing body
Axis is evenly distributed.
The casing body 1 is provided with for filling heat-conductive silica gel to be led in cavity forward in the preceding cavity position
Hot silica gel filler port I 13, be provided with the heat conductive silica gel filler port I 13 silk seat 14 and with the 14 size shape phase of silk seat
The silk plug 15 matched somebody with somebody, is equipped with gasket 16 between the silk seat 14 and the silk plug 15.
Be equipped with heat conductive silica gel filler port II 17 at the top of the junction box seat, at the heat conductive silica gel filler port II 17 equipped with
The connector cover 18 that the heat conductive silica gel filler port II 17 matches.
Heat conductive silica gel 7 is equipped with the preceding cavity and the rear cavity.
The casing body 1 and the heat sink 6 manufacture for metal.
The heat conductive silica gel 7 enters through heat conductive silica gel filler port I 13 and fills the preceding cavity, and the heat conductive silica gel 7 passes through
Heat conductive silica gel filler port II 17 injects, and is further flowed into from motor down-lead mouth 11 and fills the rear cavity.Utilize heat conductive silica gel 7
Heat-transfer effect the heat that 2 liang of end-coils of stator winding produce quickly is passed on casing body 1,1 is set on the casing body
The heat sink 6 further distributes heat.The iron core of stator winding 2 and casing body 1 directly contact for metal, stator around
The heat of group 2 can be directly delivered on casing body 1, finally radiated by the heat sink 6 being arranged on casing body 1.
Finally it should be noted that：Various embodiments above is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the utility model is described in detail with reference to foregoing embodiments, those of ordinary skill in the art should
Understand：It can still modify the technical solution described in foregoing embodiments, either to which part or whole
Technical characteristic carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly
The scope of each embodiment technical solution of type.
Claims (5)
- A kind of 1. flange-cooled shield electric machine stator, it is characterised in that：Including casing body, stator winding, forward flange and rear method Orchid, the casing body are cylindrical in shape, and the both ends of the casing body are fixedly connected with the forward flange and the rear flange respectively, described The axis of casing body is overlapped with the axis of the forward flange and the rear flange, inner wall and the stator winding of the casing body Outer surface be fixedly connected, the stator winding has a central through hole, and the length of the stator winding is less than the casing body Length, has certain space between the both ends of the surface of the stator winding and the forward flange and the rear flange, the center leads to Be equipped with hole and be close to the stator can of the stator winding, the both ends of the stator can respectively with the forward flange and institute Rear flange is stated to be fixedly connected；Preceding reinforcing sleeve, the preceding reinforcing sleeve and the stator plates are equipped between the front end face of the forward flange and the stator winding The outer surface socket of set is covered, rear reinforcing sleeve is equipped between the rear flange and the rear end face of the stator winding, is strengthened after described The outer surface of set and the stator can is socketed, and the stator winding passes through the preceding reinforcing sleeve and the rear reinforcing sleeve and institute Forward flange is stated to be fixedly connected with the rear flange；The forward flange, the stator winding, the preceding reinforcing sleeve and the casing body form a closed preceding cavity, the rear method Blue, described stator winding, the rear reinforcing sleeve and the casing body form a closed rear cavity, and the casing body is empty in the rear Chamber position is provided with the motor down-lead mouth connected with rear cavity, and junction box seat is equipped with the motor down-lead mouth, described Casing external surface is equipped with multiple heat sinks, and the heat sink is evenly distributed along the axis of the casing body.
- A kind of 2. flange-cooled shield electric machine stator according to claim 1, it is characterised in that：The casing body is in institute Before stating cavity position be provided with for forward in cavity filling heat-conductive silica gel heat conductive silica gel filler port I, the heat conduction Be provided with silk seat and the silk plug to match with the silk seat size shape at silica gel filler port I, the silk seat and the silk plug it Between be equipped with gasket.
- A kind of 3. flange-cooled shield electric machine stator according to claim 1, it is characterised in that：The junction box seat top Portion is equipped with heat conductive silica gel filler port II, is equipped with the heat conductive silica gel filler port II and matches with the heat conductive silica gel filler port II Connector cover.
- A kind of 4. flange-cooled shield electric machine stator according to claim 1, it is characterised in that：The preceding cavity and institute State in rear cavity and be equipped with heat conductive silica gel.
- A kind of 5. flange-cooled shield electric machine stator according to claim 1-4 any claims, it is characterised in that： The casing body and the heat sink manufacture for metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721219192.0U CN207304248U (en) | 2017-09-21 | 2017-09-21 | Flange-cooled shield electric machine stator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721219192.0U CN207304248U (en) | 2017-09-21 | 2017-09-21 | Flange-cooled shield electric machine stator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207304248U true CN207304248U (en) | 2018-05-01 |
Family
ID=62442348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721219192.0U Expired - Fee Related CN207304248U (en) | 2017-09-21 | 2017-09-21 | Flange-cooled shield electric machine stator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207304248U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108712019A (en) * | 2018-07-06 | 2018-10-26 | 中国核动力研究设计院 | A kind of shield electric machine and its winding overhang cooling mechanism and heat dissipating method |
-
2017
- 2017-09-21 CN CN201721219192.0U patent/CN207304248U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108712019A (en) * | 2018-07-06 | 2018-10-26 | 中国核动力研究设计院 | A kind of shield electric machine and its winding overhang cooling mechanism and heat dissipating method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180501 Termination date: 20200921 |