CN103236768A - Water filling type three-phase alternating current asynchronous motor based on sealed structure and application - Google Patents
Water filling type three-phase alternating current asynchronous motor based on sealed structure and application Download PDFInfo
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- CN103236768A CN103236768A CN2013101699396A CN201310169939A CN103236768A CN 103236768 A CN103236768 A CN 103236768A CN 2013101699396 A CN2013101699396 A CN 2013101699396A CN 201310169939 A CN201310169939 A CN 201310169939A CN 103236768 A CN103236768 A CN 103236768A
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Abstract
The invention relates to a water filling type three-phase alternating current asynchronous motor based on a sealed structure and application. The motor comprises a rotor and a stator, wherein the rotor and the stator are arranged in a case, the stator comprises a six-claw stator tooth body and a stator yoke part, the stator tooth body is in an L shape, the straight end of the L-shaped stator tooth body passes through a shielding separation plate to be pasted with the stator yoke part, the hook end of the L-shaped stator tooth body is effectively aligned with the rotor, the shielding separation plate, a back end cover of the case and the stator yoke part are connected and sealed for forming a stator cavity, a stator winding is wound on the stator tooth body and is positioned in the stator cavity, and pure water is filled in the stator cavity. The water filling type three-phase alternating current asynchronous motor can be applied to see diving motors. The water filling type three-phase alternating current asynchronous motor has the advantages that the complete isolation of the stator and the rotor of the motor can be realized, the goal of protecting the stator winding can be reached only through adopting the static sealing, a good sealing effect is realized, the operation safety of the motor is good, and the fault is few.
Description
Technical field
The present invention relates to the submersible motor technical field, particularly relate to a kind of Water ac three-phase asynchronous motor and application based on hermetically-sealed construction.
Background technology
Dive extra large motor mainly as the main dynamics equipment of ocean activity, be mainly used in electric pump and oil-well rig at present.In the development of the extra large motor of diving, the conductivity of seawater and corrosivity are one of emphasis of paying close attention to always, and the coil Sealing Technology of the relevant extra large motor of diving is the emphasis of various countries' research.Existing Sealing Technology has multiple, wherein be applied in the latent extra large motor, mainly contain 4 classes: dry type, protected type, filling type and Water, wherein back two kinds can't be come basic assurance to seal completely from principle, and dry type is difficult to satisfy the latent extra large degree of depth requirement above 20 meters, though existing protected type can satisfy the deep diving requirement, but because the increasing of shielding thickness will directly increase the loss of motor.Along with the expansion of ocean activity, the complexity of demand and diversity are had higher requirement to the extra large motor properties of diving.Here propose a kind of latent extra large motor of new construction, make by new construction and do not reducing substantially under the motor performance prerequisite, improve the anti-seawater seepage of motor effectively.
In the 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 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.Here propose a kind of new electric machine structure, do not reduce under the prerequisite of motor performance in maintenance, effectively improve the sealing property of motor.
Summary of the invention
Technical problem to be solved by this invention provides a kind of Water ac three-phase asynchronous motor and application based on hermetically-sealed construction, makes stator winding avoid influence such as moisture, greasy dirt and dust and cause aging and damaging.
The technical solution adopted for the present invention to solve the technical problems is: a kind of Water 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 portion of six pawls, described stator tooth body is L-shaped, the straight end of described L shaped stator tooth body passes shielded partitions and stator yoke portion fits, 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 portion, described stator tooth is wound with stator winding on one's body, and described stator winding is positioned at bore of stator; Be filled with pure water in the described bore of stator.
Described rotor one end links to each other with motor shaft, and the other end passes described bore of stator and links to each other with the rear end cap of shell with bearing cap by bearing.
Described rotor one end links to each other with motor shaft, and the other end links to each other with described shielded partitions.
Described shielded partitions is provided with cylinder, and described cylinder links to each other with described stator yoke portion, and is positioned at described bore of stator.
The position of corresponding stator tooth body has installing hole on the described shielded partitions; The straight end of described stator tooth body passes described installing hole and cooperates with described shielded partitions installation, and by O RunddichtringO and epoxy sealing.
The rear end cap of described stator yoke portion and described shell is structure as a whole.
Described rear end cap is provided with and charges into the hole, and described charging into has seal cover on the hole, and described seal cover is by O RunddichtringO and epoxy sealing.
The technical solution adopted for the present invention to solve the technical problems is: a kind of above-mentioned application of Water ac three-phase asynchronous motor in the extra large motor of diving based on hermetically-sealed construction also is provided.
Beneficial effect
Owing to adopted above-mentioned technical scheme, the present invention compared with prior art, have following advantage and good effect: the present invention can realize 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 among the present invention;
Fig. 2 is the structural representation of embodiment 2 among the present invention;
Fig. 3 is the structural representation of stator among the present invention;
Fig. 4 is the structural representation of stator tooth body among the present invention;
Fig. 5 is the structural representation after stator and rotor cooperate among the present invention.
Embodiment
Below in conjunction with specific embodiment, further set forth the present invention.Should be understood that these embodiment only to be used for explanation the present invention and be not used in and limit the scope of the invention.Should be understood that in addition those skilled in the art can make various changes or modifications the present invention after the content of having read the present invention's instruction, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
Embodiments of the present invention relate to a kind of Water 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 portion 22 of six pawls, 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 fits with stator yoke portion 22, 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 sealing and forms bore of stator 8 with stator yoke portion 22, be wound with stator winding 213 on the described stator tooth body 21, and described stator winding 213 is positioned at bore of stator 8; Be filled with pure water in the described bore of stator 8.Wherein, described rotor 1 one ends link to each other with motor shaft 5, and the other end passes described bore of stator 8 and links to each other with the rear end cap 4 of shell with bearing cap 6 by bearing 7.
As shown in Figure 3 and Figure 4, stator 2 of the present invention comprises stator tooth body 21 and stator yoke portion 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 portion according to Electromagnetic Design, and stator winding 213 is positioned at the bore of stator of sealing after the installation.Adopt big, the non-magnetic materials processing of resistivity to become shielded partitions 3, the position perforate of corresponding stator tooth body 21 assembles up it and stator tooth body 21 in the above, encapsulates by O RunddichtringO and the epoxy resin binding site to them.Stator yoke portion 22 can with rear end cap 4 as one, also can fix separately, after need guaranteeing to assemble, the tail end of stator tooth body 21 and stator yoke portion 22 fit fully.Wherein, described rear end cap 4 is provided with and charges into the hole, and described charging into has seal cover 41 on the hole, and described seal cover 41 is by O RunddichtringO and epoxy sealing.Shielded partitions 3, stator tooth body 21, stator yoke portion 22 and rear end cap 4 are formed bore of stator, and by O RunddichtringO and epoxy sealing, making bore of stator is a part of sealing fully, and so the stator winding of motor part is sealed in the bore of stator fully.
As shown in Figure 5, rotor 1 of the present invention 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 invention installs, because stator winding partly is complete closed, just moisture, greasy dirt and dust and other impurities can not occurs and enter in the motor stator chamber, cause problems such as coil damage.
Embodiments of the present invention relate to a kind of Water 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 made up of stator tooth body 21 and the stator yoke portion 22 of six pawls, 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 fits with stator yoke portion 22, 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 sealing and forms bore of stator 8 with stator yoke portion 22, be wound with stator winding 213 on the described stator tooth body 21, and described stator winding 213 is positioned at bore of stator 8; Be filled with pure water in the described bore of stator 8.Wherein, described rotor 1 one ends link to each other with motor shaft 5, and the other end links to each other with described shielded partitions 3.Described shielded partitions 3 is provided with cylinder, and described cylinder links to each other with described stator yoke portion 22, and is positioned at described bore of stator 8.
As shown in Figure 3 and Figure 4, stator of the present invention comprises stator tooth body 21 and stator yoke portion 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 portion according to Electromagnetic Design, and stator winding 213 is positioned at the bore of stator of sealing after the installation.Adopt big, the non-magnetic materials processing of resistivity to become shielded partitions 3, the position perforate of corresponding stator tooth body 21 assembles up it and stator tooth body 21 in the above, encapsulates by O RunddichtringO and the epoxy resin binding site to them.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 portion 22 can with rear end cap 4 as one, also can fix separately, need to guarantee that the tail end and the stator yoke portion 22 that assemble back stator tooth body 21 fit fully.Wherein, described rear end cap 4 is provided with and charges into the hole, and described charging into has seal cover 41 on the hole, and described seal cover 41 is by O RunddichtringO and epoxy sealing.Shielded partitions 3, stator tooth body 21, stator yoke portion 22 and rear end cap 4 are formed bore of stator, and by O RunddichtringO and epoxy sealing, making bore of stator is a part of sealing fully, and so the stator winding of motor part is sealed in the bore of stator fully.
As shown in Figure 5, rotor 1 of the present invention 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 invention installs, because stator winding partly is complete closed, just moisture, greasy dirt and dust and other impurities can not occurs and enter in the motor stator chamber, cause problems such as coil damage.
Water ac three-phase asynchronous motor based on hermetically-sealed construction of the present invention can be applicable to dive in the extra large motor.
What deserves to be mentioned is that motor of the present invention can also can be used as submersible motor, dustproof motor, grease proofing motor, fire-proof motor etc. as the motor of spinning frame.
Be not difficult to find that the present invention can realize the isolation fully of motor stator and rotor, only use static seal just can reach the purpose of protection stator winding, have good sealing effect; The motor safety in operation is good, and fault is few.Structure of the present invention 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 as required to stator winding.
Claims (8)
1. Water 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 portion (22) of six pawls, 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 fits with stator yoke portion (22), 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 sealing and forms bore of stator (8) with stator yoke portion (22), be wound with stator winding (213) on the described stator tooth body (21), and described stator winding (213) is positioned at bore of stator (8); Described bore of stator is filled with pure water in (8).
2. the Water ac three-phase asynchronous motor based on hermetically-sealed construction according to claim 1, it is characterized in that, described rotor (1) one end links to each other with motor shaft (5), and the other end passes described bore of stator (8) and links to each other with the rear end cap (4) of shell with bearing cap (6) by bearing (7).
3. the Water ac three-phase asynchronous motor based on hermetically-sealed construction according to claim 1 is characterized in that, described rotor (1) one end links to each other with motor shaft (5), and the other end links to each other with described shielded partitions (3).
4. the Water 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) links to each other with described stator yoke portion (22), and is positioned at described bore of stator (8).
5. the Water ac three-phase asynchronous motor based on hermetically-sealed construction according to claim 1 is characterized in that, the position that described shielded partitions (3) goes up corresponding stator tooth body (21) has installing hole; The straight end (211) of described stator tooth body (21) passes described installing hole and cooperates with described shielded partitions (3) installation, and by O RunddichtringO and epoxy sealing.
6. the Water ac three-phase asynchronous motor based on hermetically-sealed construction according to claim 1 is characterized in that, described stator yoke portion (22) is structure as a whole with the rear end cap (4) of described shell.
7. the Water 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 charges into the hole, and described charging into has seal cover (41) on the hole, and described seal cover (41) is by O RunddichtringO and epoxy sealing.
8. one kind as the application of the described Water ac three-phase asynchronous motor based on hermetically-sealed construction of arbitrary claim among the claim 1-7 in the extra large motor of diving.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101699396A CN103236768A (en) | 2013-05-09 | 2013-05-09 | Water filling type three-phase alternating current asynchronous motor based on sealed structure and application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101699396A CN103236768A (en) | 2013-05-09 | 2013-05-09 | Water filling type three-phase alternating current asynchronous motor based on sealed structure and application |
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| Publication Number | Publication Date |
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| CN103236768A true CN103236768A (en) | 2013-08-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013101699396A Pending CN103236768A (en) | 2013-05-09 | 2013-05-09 | Water filling type three-phase alternating current asynchronous motor based on sealed structure and application |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106787383A (en) * | 2017-03-02 | 2017-05-31 | 北京交通大学 | A kind of ship magneto waterproof construction |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4684840A (en) * | 1984-06-28 | 1987-08-04 | U.S. Philips Corporation | Synchronous motor having a permanent-magnet modular rotor |
| US6765325B1 (en) * | 1999-09-03 | 2004-07-20 | Elf Exploration Production | Alternating current electric motor |
| CN201639369U (en) * | 2009-12-25 | 2010-11-17 | 江门市瑞荣泵业有限公司 | Structure of submersible motor stator |
| CN103090082A (en) * | 2012-12-31 | 2013-05-08 | 张家政 | Seal valve switch electric machine |
-
2013
- 2013-05-09 CN CN2013101699396A patent/CN103236768A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4684840A (en) * | 1984-06-28 | 1987-08-04 | U.S. Philips Corporation | Synchronous motor having a permanent-magnet modular rotor |
| US6765325B1 (en) * | 1999-09-03 | 2004-07-20 | Elf Exploration Production | Alternating current electric motor |
| CN201639369U (en) * | 2009-12-25 | 2010-11-17 | 江门市瑞荣泵业有限公司 | Structure of submersible motor stator |
| CN103090082A (en) * | 2012-12-31 | 2013-05-08 | 张家政 | Seal valve switch electric machine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106787383A (en) * | 2017-03-02 | 2017-05-31 | 北京交通大学 | A kind of ship magneto waterproof construction |
| CN106787383B (en) * | 2017-03-02 | 2019-05-14 | 北京交通大学 | A kind of ship magneto waterproof construction |
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Application publication date: 20130807 |