CN205490055U - Concentrated winding permanent magnet synchronous motor that special no bearing of compressor directly allies oneself with - Google Patents
Concentrated winding permanent magnet synchronous motor that special no bearing of compressor directly allies oneself with Download PDFInfo
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- CN205490055U CN205490055U CN201521073026.5U CN201521073026U CN205490055U CN 205490055 U CN205490055 U CN 205490055U CN 201521073026 U CN201521073026 U CN 201521073026U CN 205490055 U CN205490055 U CN 205490055U
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- Prior art keywords
- rotor
- compressor
- bearing
- stator coil
- punching
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- 238000004804 winding Methods 0.000 title claims abstract description 21
- 230000001360 synchronised Effects 0.000 title abstract description 5
- 210000002356 Skeleton Anatomy 0.000 claims abstract description 4
- 238000004080 punching Methods 0.000 claims description 21
- 230000001681 protective Effects 0.000 claims description 6
- 238000009827 uniform distribution Methods 0.000 claims description 3
- 238000005516 engineering processes Methods 0.000 abstract description 5
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000001816 cooling Methods 0.000 description 4
- 238000010586 diagrams Methods 0.000 description 4
- 239000003570 air Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 2
- 210000003660 Reticulum Anatomy 0.000 description 1
- 238000006243 chemical reactions Methods 0.000 description 1
- 230000001808 coupling Effects 0.000 description 1
- 238000005859 coupling reactions Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
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Abstract
The utility model discloses a concentrated winding permanent magnet synchronous motor that special no bearing of compressor directly allies oneself with, including frame, rotor, stator coil, fan blade, wind scooper, protection casing, hoist and mount bolt, the flange of frame directly links with the flange of compressor host computer, and the direct projecting shaft with the compressor host computer of no bearing main shaft of rotor links, just the rotor is permanent magnet rotor, and stator coil is centralized winding formula stator coil, centralized winding formula stator coil's enameled wire is fixed on stator core's stator tooth through the slot wedge around on the skeleton, the fan blade snap -on is on the rotor, and wind scooper, protection casing, hoist and mount bolt are fixed on the frame respectively. The utility model discloses a stator adopts centralized winding, under the prerequisite of guaranteeing the performance that the high efficiency is excellent, makes the structure simpler, and the production technology is simpler high -efficient, is convenient for improve production efficiency, the straight antithetical couplet technology drive of the no bearing of adoption, simple structure, the fault rate is low, high transmission efficiency, the operation is reliable.
Description
Technical field
This utility model relates to permasyn morot, the concentratred winding permanent magnet motor that a kind of compressor using bearing-free direct connection is special.
Background technology
At present the compressor major part in Chinese market uses conventional asynchronous motor, with the coupling method of compressor host head also based on belt transmission and shaft coupling transmission.Its shortcoming is obvious: volume is big, and efficiency is low, and energy consumption is big, and fault rate is high, need to often safeguard.Although occurring in that frequency conversion permanent magnet compressor on nearly 2 years markets, permagnetic synchronous motor is used to drive, although its efficiency is with the obvious advantage with conventional asynchronous motor, but the structure of magneto is identical with normal asynchronous (has front and back bearings, front and rear cover, independent blower fan etc.), motor bearings needs periodic maintenance, and fault rate is high (fault of motor more than 60% is that bearing causes).
Utility model content
For the problems referred to above, this utility model provides the concentratred winding permasyn morot of a kind of compressor special bearing-free direct connection, to solve the problems of the prior art.
To achieve these goals, the technical solution of the utility model is as follows:
The concentratred winding permasyn morot of compressor special bearing-free direct connection, it is characterised in that include support, rotor, stator coil, fan blade, wind scooper, protective cover, lifting bolt；Wherein, the flange of support directly couples with the flange of compressor host, the bearing-free main shaft of rotor directly couples with the projecting shaft of compressor host, and described rotor is p-m rotor, stator coil is centralized winding type stator coil, the enamel-covered wire of described centralized winding type stator coil is wound on skeleton, is fixed on the stator tooth of stator core by slot wedge；Fan blade is directly anchored on rotor, and wind scooper, protective cover, lifting bolt are separately fixed on support.
In a preferred embodiment of the present utility model, the rotor punching of described rotor includes punching body, the middle part of described punching body includes that axle connecting hole, the cylindrical of punching body are arranged at intervals with gap slot, and punching body is further opened with the tri-angle-holed of circumference uniform distribution.Further, described punching body is further opened with strip gap.
In a preferred embodiment of the present utility model, the degree of protection of described electric machine casing uses IP23.
This utility model has obvious technical characterstic compared with existing compressor motor special, specifically have: 1. motor stator uses the centralized winding of particular design, coordinate special rotor design scheme, on the premise of ensureing the most excellent performance, make structure simpler, production technology is simpler efficiently, it is simple to improve production efficiency；2. using the direct connection technology humanized of bearing-free, simple in construction, failure rate is low, transmission efficiency is high, reliable；3. motor uses natural air cooled cooling scheme, rotor carries fan blade, by special wind path design, is not required to extra independent cooling fan, simple in construction, reduces the power consumption of complete machine simultaneously, indirectly improve the operational efficiency of compressor complete machine；4. degree of protection uses IP23, has filled up the blank of prior art, is the special permanent-magnet synchronous oil-cooled motor of the compressor of a kind of novel unique bearing-free direct connection.
Feature of the present utility model see graphic and the most preferably embodiment the detailed description of this case and obtains and be well understood to.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present utility model.
Fig. 2 is the side view of Fig. 1.
Fig. 3 is the schematic diagram of stator coil.
Fig. 4 be in Fig. 3 A-A to sectional view.
Fig. 5 is the schematic diagram of stator core.
Fig. 6 is the schematic diagram of rotor punching.
Detailed description of the invention
For the technological means making this utility model realize, creation characteristic, reach purpose and be easy to understand with effect, this utility model is expanded on further below in conjunction with specific embodiment.
Seeing Fig. 1 and 2, the concentratred winding permasyn morot of compressor special bearing-free direct connection, including support 1, rotor 2, stator coil 3, fan blade 4, wind scooper 5, protective cover 6, lifting bolt 7.Wherein, the flange of support 1 directly couples with the flange of compressor host, and the bearing-free main shaft of rotor 2 directly couples with the projecting shaft of compressor host.Rotor is directly stretched with the armature spindle of compressor host and is coupled, and front motor cover can use the flange of compressor host, and bonnet also can directly be reduced to a sheet iron simultaneously.This structure eliminates front and back bearings and front and rear cover simultaneously, reduces cost, simplifies structure, eliminates the maintenance in later stage, greatly reduces the fault rate of motor, improves the stability of whole compressor.
Additionally motor uses natural air cooled cooling scheme, rotor carries fan blade, by special wind path design, is not required to extra independent cooling fan, simple in construction, reduces the power consumption of complete machine simultaneously, indirectly improve the operational efficiency of compressor complete machine.
Rotor has high-performance permanent magnet (p-m rotor), its rotor punching is the concentratred winding permagnetic synchronous motor Special rotor punching of unique design, see Fig. 6, the rotor punching of rotor includes punching body, the middle part of described punching body includes axle connecting hole 11, the cylindrical of punching body is arranged at intervals with gap slot 12, and punching body is further opened with tri-angle-holed the 13 of circumference uniform distribution.It is further opened with strip gap 14 on described punching body.By the optimization of rotating pole-piece, i.e. use non-uniform gap design, thus obtain the permanent magnetism air gap flux density close to sinusoidal wave distribution, be substantially improved motor performance.
Seeing Fig. 3,4 and 5, stator coil 3 is centralized winding type stator coil, and the enamel-covered wire of centralized winding type stator coil is wound on skeleton 8, is fixed on the stator tooth of stator core 10 by slot wedge 9；Fan blade is directly anchored on rotor 2, and wind scooper 5, protective cover 6, lifting bolt 7 are separately fixed on support 1.
The degree of protection of motor uses IP23.
Of the present utility model ultimate principle, principal character and of the present utility model advantage have more than been shown and described.Skilled person will appreciate that of the industry; this utility model is not restricted to the described embodiments; simply principle of the present utility model described in above-described embodiment and description; on the premise of without departing from this utility model spirit and scope, this utility model also has various changes and modifications, and these changes and improvements both fall within the range of claimed this utility model.The protection domain that this utility model requires is defined by appending claims and equivalent thereof.
Claims (3)
1. the concentratred winding permasyn morot of compressor special bearing-free direct connection, it is characterised in that include support, rotor, stator coil, fan blade, wind scooper, protective cover, lifting bolt；Wherein, the flange of support directly couples with the flange of compressor host, the bearing-free main shaft of rotor directly couples with the projecting shaft of compressor host, and described rotor is p-m rotor, stator coil is centralized winding type stator coil, the enamel-covered wire of described centralized winding type stator coil is wound on skeleton, is fixed on the stator tooth of stator core by slot wedge；Fan blade is directly anchored on rotor, and wind scooper, protective cover, lifting bolt are separately fixed on support.
The concentratred winding permasyn morot of compressor the most according to claim 1 special bearing-free direct connection, it is characterized in that, the rotor punching of described rotor includes punching body, the middle part of described punching body includes axle connecting hole, the cylindrical of punching body is arranged at intervals with gap slot, and punching body is further opened with the tri-angle-holed of circumference uniform distribution.
The concentratred winding permasyn morot of compressor the most according to claim 2 special bearing-free direct connection, it is characterised in that be further opened with strip gap on described punching body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521073026.5U CN205490055U (en) | 2015-12-22 | 2015-12-22 | Concentrated winding permanent magnet synchronous motor that special no bearing of compressor directly allies oneself with |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521073026.5U CN205490055U (en) | 2015-12-22 | 2015-12-22 | Concentrated winding permanent magnet synchronous motor that special no bearing of compressor directly allies oneself with |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205490055U true CN205490055U (en) | 2016-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521073026.5U CN205490055U (en) | 2015-12-22 | 2015-12-22 | Concentrated winding permanent magnet synchronous motor that special no bearing of compressor directly allies oneself with |
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| Country | Link |
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| CN (1) | CN205490055U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106300854A (en) * | 2016-10-27 | 2017-01-04 | 驰美电机（上海）有限公司 | A kind of compressor special utility permasyn morot of Graphene concentratred winding |
| CN106357023A (en) * | 2016-10-27 | 2017-01-25 | 驰美电机（上海）有限公司 | Special no-bearing direct-connection permanent-magnet synchronous motor for compressor using graphene winding |
| CN106451867A (en) * | 2016-10-27 | 2017-02-22 | 驰美电机（上海）有限公司 | Special bearing-less direct-connection synchronous reluctance motor with graphene windings for compressor |
| CN106451843A (en) * | 2016-10-27 | 2017-02-22 | 驰美电机（上海）有限公司 | Special bearingless direct-connection sealing permanent-magnet synchronous motor with graphene winding for compressor |
-
2015
- 2015-12-22 CN CN201521073026.5U patent/CN205490055U/en active IP Right Grant
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106300854A (en) * | 2016-10-27 | 2017-01-04 | 驰美电机（上海）有限公司 | A kind of compressor special utility permasyn morot of Graphene concentratred winding |
| CN106357023A (en) * | 2016-10-27 | 2017-01-25 | 驰美电机（上海）有限公司 | Special no-bearing direct-connection permanent-magnet synchronous motor for compressor using graphene winding |
| CN106451867A (en) * | 2016-10-27 | 2017-02-22 | 驰美电机（上海）有限公司 | Special bearing-less direct-connection synchronous reluctance motor with graphene windings for compressor |
| CN106451843A (en) * | 2016-10-27 | 2017-02-22 | 驰美电机（上海）有限公司 | Special bearingless direct-connection sealing permanent-magnet synchronous motor with graphene winding for compressor |
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| GR01 | Patent grant | ||
| C14 | Grant of patent or utility model |