CN203289289U - Three-phase alternating-current synchronous motor based on sealing structure - Google Patents
Three-phase alternating-current synchronous motor based on sealing structure Download PDFInfo
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- CN203289289U CN203289289U CN2013202499439U CN201320249943U CN203289289U CN 203289289 U CN203289289 U CN 203289289U CN 2013202499439 U CN2013202499439 U CN 2013202499439U CN 201320249943 U CN201320249943 U CN 201320249943U CN 203289289 U CN203289289 U CN 203289289U
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Abstract
The utility model discloses a three-phase alternating-current synchronous motor based on a sealing structure. The three-phase alternating-current synchronous motor comprises a rotor and a stator which are installed in a housing, wherein the stator comprises a four-claw stator tooth body and a stator yoke part; the stator tooth body is L-shaped, and the straight end of the L-shaped stator tooth body penetrates through a shielding clapboard to fit with the stator yoke part; the hook end of the L-shaped stator tooth body is effectively level with the rotor; the shielding clapboard, the rear end cover of the housing and the stator yoke part are connected and sealed to form a stator cavity; a stator winding is wound on the stator tooth body, and the stator winding is located in the stator cavity; and compressed air is filled in the stator cavity. The three-phase alternating-current synchronous motor disclosed by the utility model is capable of realizing complete isolation for the stator and the rotor of the motor, and achieving the purpose of protecting the stator winding only by static sealing, good in sealing effect, good in running safety, and few in faults.
Description
Technical field
The utility model relates to the submersible motor technical field, particularly relates to a kind of ac three-phase asynchronous motor based on hermetically-sealed construction.
Background technology
Along with the expansion in motor application field, the demand of the motors such as extra large motor, submersible motor, dust-proof motor, grease proofing motor, fire-proof motor of diving increases gradually.These motors need good sealing property, the particularly Sealing Technology of motor winding particularly crucial, so this technology is also the emphasis of various countries' research always.
In existing motor seal technology, in order to protect stator winding, major part is all used the employing dynamic sealing technology, makes the hermetically-sealed construction more complicated that becomes, and sealing effectiveness is also undesirable; Along with the variation of the external factor such as pressure, temperature, extraneous moisture, greasy dirt and dust and other impurities are easy to invade in the space at motor winding place, cause coil wearing and tearing, corrosion and aging, have a strong impact on motor useful life.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of ac three-phase asynchronous motor based on hermetically-sealed construction, makes stator winding avoid the impact such as moisture, greasy dirt and dust and cause aging and damaging.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of ac three-phase asynchronous motor based on hermetically-sealed construction is provided, comprise installation rotor and stator in the enclosure, described stator comprises stator tooth body and the stator yoke section of four paws, described stator tooth body is L-shaped, the straight end of described L shaped stator tooth body passes shielded partitions and the laminating of stator yoke section, and the hook end of described L shaped stator tooth body effectively aligns with described rotor; The rear end cap of described shielded partitions, shell is connected sealing and forms bore of stator with stator yoke section, described stator tooth is wound with stator winding with it, and described stator winding is positioned at bore of stator.
Described rotor one end is connected with motor shaft, and the other end passes described bore of stator and is connected with the rear end cap of shell with bearing cap by bearing.
Described rotor one end is connected with motor shaft, and the other end is connected with described shielded partitions.
Described shielded partitions is provided with cylinder, and described cylinder is connected with described stator yoke section, and is positioned at described bore of stator.
On described shielded partitions, the position of corresponding stator tooth body has installing hole; The straight end of described stator tooth body passes described installing hole and installs and coordinate with described shielded partitions, and by O RunddichtringO and epoxy sealing.
The rear end cap of described stator yoke section and described shell is structure as a whole.
Described rear end cap is provided with and is filled with hole, and described being filled with on hole has seal cover, and described seal cover is by O RunddichtringO and epoxy sealing.
Beneficial effect
Owing to having adopted above-mentioned technical scheme, the utility model compared with prior art, have following advantage and good effect: the utility model can be realized the isolation fully of motor stator and rotor, only uses static seal just can reach the purpose of protection stator winding, has good sealing effect; The motor safety in operation is good, and fault is few.
Description of drawings
Fig. 1 is the structural representation of embodiment 1 in the utility model;
Fig. 2 is the structural representation of embodiment 2 in the utility model;
Fig. 3 is the structural representation of stator in the utility model;
Fig. 4 is the structural representation of stator tooth body in the utility model;
Fig. 5 is the structural representation after in the utility model, stator and rotor coordinate.
Embodiment
, below in conjunction with specific embodiment, further set forth the utility model.Should be understood that these embodiment only to be used for explanation the utility model and be not used in restriction scope of the present utility model.Should be understood that in addition those skilled in the art can make various changes or modifications the utility model after the content of having read the utility model instruction, these equivalent form of values fall within the application's appended claims limited range equally.
Execution mode of the present utility model relates to a kind of ac three-phase asynchronous motor based on hermetically-sealed construction, as shown in Figure 1, comprise installation rotor 1 and stator 2 in the enclosure, described stator 2 comprises stator tooth body 21 and the stator yoke section 22 of four paws, described stator tooth body 21 is L-shaped, the straight end 211 of described L shaped stator tooth body 21 passes shielded partitions 3 and 22 laminatings of stator yoke section, and the hook end 212 of described L shaped stator tooth body 21 effectively aligns with described rotor 1; The rear end cap 4 of described shielded partitions 3, shell is connected with stator yoke section and is connected sealing and form bore of stator 8, is wound with stator winding 213 on described stator tooth body 21, and described stator winding 213 is positioned at bore of stator 8.Wherein, described rotor 1 one ends are connected with motor shaft 5, and the other end passes described bore of stator 8 and is connected with the rear end cap 4 of shell with bearing cap 6 by bearing 7.Can select whether filling medium or not filling medium according to different sealing grades in described bore of stator 8, when the needs filling medium, medium can be compressed air, also can be transformer insulation oil, can also be pure water, to meet different sealing grades.
As shown in Figure 3 and Figure 4, stator 2 of the present utility model comprises stator tooth body 21 and stator yoke section 22, stator tooth body 21 is L-shaped, and the straight end 211 of L shaped stator tooth body 21 is very long, 213 of stator winding require on a segment distance of tooth root section according to Electromagnetic Design, and after installation, stator winding 213 is positioned at the bore of stator of sealing.Adopt large, the non-magnetic materials processing of resistivity to become shielded partitions 3, the position perforate of corresponding stator tooth body 21, assemble up it and stator tooth body 21 in the above, by O RunddichtringO and the epoxy resin binding site to them, encapsulates.Stator yoke section 22 can also can fix separately with rear end cap 4 as one, and after needing to guarantee to assemble, the tail end of stator tooth body 21 and stator yoke section 22 fit fully.Wherein, described rear end cap 4 is provided with and is filled with hole, and described being filled with on hole has seal cover 41, and described seal cover 41 is by O RunddichtringO and epoxy sealing.Shielded partitions 3, stator tooth body 21, stator yoke section 22 and rear end cap 4 form bore of stator, and by O RunddichtringO and epoxy sealing, making bore of stator is a complete hermetic part, and so the stator winding of motor part is sealed in bore of stator fully.
As shown in Figure 5, rotor 1 of the present utility model is fixed in (being between the hook end of L shaped stator tooth body) between stator 2 extensions by bearing with rotor 1, makes rotor 1 iron core align with stator 2 iron core live parts.
After group of motors of the present utility model installs,, because stator winding has been partly totally enclosed, just not there will be moisture, greasy dirt and dust and other impurities to enter in the motor stator chamber, cause the problems such as coil damage.
Embodiment 2
Execution mode of the present utility model relates to a kind of ac three-phase asynchronous motor based on hermetically-sealed construction, as shown in Figure 2, comprise installation rotor 1 and stator 2 in the enclosure, described stator 2 is comprised of stator tooth body 21 and the stator yoke section 22 of four paws, described stator tooth body 21 is L-shaped, the straight end 211 of described L shaped stator tooth body 21 passes shielded partitions 3 and 22 laminatings of stator yoke section, and the hook end 212 of described L shaped stator tooth body 21 effectively aligns with described rotor 1; The rear end cap 4 of described shielded partitions 3, shell is connected with stator yoke section and is connected sealing and form bore of stator 8, is wound with stator winding 213 on described stator tooth body 21, and described stator winding 213 is positioned at bore of stator 8.Wherein, described rotor 1 one ends are connected with motor shaft 5, and the other end is connected with described shielded partitions 3.Described shielded partitions 3 is provided with cylinder, and described cylinder is connected with described stator yoke section 22, and is positioned at described bore of stator 8.Can select whether filling medium or not filling medium according to different sealing grades in described bore of stator 8, when the needs filling medium, medium can be compressed air, also can be transformer insulation oil, can also be pure water, to meet different sealing grades.
As shown in Figure 3 and Figure 4, stator of the present utility model comprises stator tooth body 21 and stator yoke section 22, stator tooth body 21 is L-shaped, and the straight end of L shaped stator tooth body 21 is very long, 213 of stator winding require on a segment distance of tooth root section according to Electromagnetic Design, and after installation, stator winding 213 is positioned at the bore of stator of sealing.Adopt large, the non-magnetic materials processing of resistivity to become shielded partitions 3, the position perforate of corresponding stator tooth body 21, assemble up it and stator tooth body 21 in the above, by O RunddichtringO and the epoxy resin binding site to them, encapsulates.Cylinder is made in the place of the corresponding bore of stator of the another side of shielded partitions 3, to increase the mechanical strength of bore of stator.Stator yoke section 22 can also can fix separately with rear end cap 4 as one, needs to guarantee that the tail end and the stator yoke section 22 that assemble rear stator tooth body 21 fit fully.Wherein, described rear end cap 4 is provided with and is filled with hole, and described being filled with on hole has seal cover 41, and described seal cover 41 is by O RunddichtringO and epoxy sealing.Shielded partitions 3, stator tooth body 21, stator yoke section 22 and rear end cap 4 form bore of stator, and by O RunddichtringO and epoxy sealing, making bore of stator is a complete hermetic part, and so the stator winding of motor part is sealed in bore of stator fully.
As shown in Figure 5, rotor 1 of the present utility model is fixed in (being between the hook end of L shaped stator tooth body) between stator 2 extensions by bearing with rotor 1, makes rotor core align with the stator core live part.
After group of motors of the present utility model installs,, because stator winding has been partly totally enclosed, just not there will be moisture, greasy dirt and dust and other impurities to enter in the motor stator chamber, cause the problems such as coil damage.
It is worth mentioning that, motor of the present utility model can be as the motor that uses under motor, the diving of spinning frame, dive extra large motor and various environment.
Be not difficult to find, the utility model can be realized the isolation fully of motor stator and rotor, only uses static seal just can reach the purpose of protection stator winding, has good sealing effect; The motor safety in operation is good, and fault is few.Structure of the present utility model has realized the separation configuration of stator winding and rotor in the magnetic structure of motor, can partly carry out the sealing of different brackets to stator winding as required.
Claims (7)
1. ac three-phase asynchronous motor based on hermetically-sealed construction, comprise installation rotor (1) and stator (2) in the enclosure, described stator (2) comprises stator tooth body (21) and the stator yoke section (22) of four paws, it is characterized in that, described stator tooth body (21) is L-shaped, the straight end (211) of described L shaped stator tooth body (21) passes shielded partitions (3) and stator yoke section (22) laminating, and the hook end (212) of described L shaped stator tooth body (21) effectively aligns with described rotor (1); The rear end cap (4) of described shielded partitions (3), shell is connected 22 with stator yoke section) connect sealing formation bore of stator (8), be wound with stator winding (213) on described stator tooth body (21), described stator winding (213) is positioned at bore of stator (8).
2. the ac three-phase asynchronous motor based on hermetically-sealed construction according to claim 1, it is characterized in that, described rotor (1) one end is connected with motor shaft (5), and the other end passes described bore of stator (8) and is connected with the rear end cap (4) of shell with bearing cap (6) by bearing (7).
3. the ac three-phase asynchronous motor based on hermetically-sealed construction according to claim 1, is characterized in that, described rotor (1) one end is connected with motor shaft (5), and the other end is connected with described shielded partitions (3).
4. the ac three-phase asynchronous motor based on hermetically-sealed construction according to claim 3, it is characterized in that, described shielded partitions (3) is provided with cylinder (31), and described cylinder (31) is connected with described stator yoke section (22), and is positioned at described bore of stator (8).
5. the ac three-phase asynchronous motor based on hermetically-sealed construction according to claim 1, is characterized in that, the position of the upper corresponding stator tooth body (21) of described shielded partitions (3) has installing hole; The straight end (211) of described stator tooth body (21) passes described installing hole and installs and coordinate with described shielded partitions (3), and by O RunddichtringO and epoxy sealing.
6. the ac three-phase asynchronous motor based on hermetically-sealed construction according to claim 1, is characterized in that, described stator yoke section (22) is structure as a whole with the rear end cap (4) of described shell.
7. the ac three-phase asynchronous motor based on hermetically-sealed construction according to claim 1, it is characterized in that, described rear end cap (4) is provided with and is filled with hole, and described being filled with on hole has seal cover (41), and described seal cover (41) is by O RunddichtringO and epoxy sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202499439U CN203289289U (en) | 2013-05-09 | 2013-05-09 | Three-phase alternating-current synchronous motor based on sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202499439U CN203289289U (en) | 2013-05-09 | 2013-05-09 | Three-phase alternating-current synchronous motor based on sealing structure |
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| Publication Number | Publication Date |
|---|---|
| CN203289289U true CN203289289U (en) | 2013-11-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013202499439U Expired - Fee Related CN203289289U (en) | 2013-05-09 | 2013-05-09 | Three-phase alternating-current synchronous motor based on sealing structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113228477A (en) * | 2018-12-21 | 2021-08-06 | 三星电子株式会社 | Motor assembly, method of manufacturing the same, and cleaner having the same |
-
2013
- 2013-05-09 CN CN2013202499439U patent/CN203289289U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113228477A (en) * | 2018-12-21 | 2021-08-06 | 三星电子株式会社 | Motor assembly, method of manufacturing the same, and cleaner having the same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131113 Termination date: 20160509 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |