CN202260737U - Alternating current (AC) brushless motor - Google Patents
Alternating current (AC) brushless motor Download PDFInfo
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- CN202260737U CN202260737U CN2011204081457U CN201120408145U CN202260737U CN 202260737 U CN202260737 U CN 202260737U CN 2011204081457 U CN2011204081457 U CN 2011204081457U CN 201120408145 U CN201120408145 U CN 201120408145U CN 202260737 U CN202260737 U CN 202260737U
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- rotating shaft
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Abstract
The utility model relates to a motor, in particular to an alternating current (AC) brushless motor which has the technical scheme that the AC brushless motor comprises a shell, and a stator component, a rotor component and a wiring component which are arranged in the shell, wherein the stator component comprises a stator body; the inner wall of the stator body is evenly provided with a plurality of clamping grooves which are internally provided with insulation sheets; the rotor component comprises a rotating shaft and a coating body; the wiring component comprises a wire holder, a binding post and a plug which are arranged on the shell; locating pieces used for locating the insulation sheets and the stator body are arranged between the insulation sheets and the end surfaces of the two axial ends of the stator body; the shell is provided with a lead inlet at the mounting position of the wire holder; a sealing gasket is arranged between the wire holder and the lead inlet; and the coating body of the rotor component is evenly distributed with a plurality of radiating holes passing through the coating body. After the technical scheme is adopted, the AC brushless motor which is dustproof, waterproof, good in heat dissipation effect, stable in operation and simple in structure can be provided.
Description
Technical field
The utility model relates to a kind of motor, particularly a kind of AC brushless electric machine.
Background technology
AC brushless electric machine is a kind of cage motor that does not have carbon brush; Replaced traditional brush motor; It has removed brush, and the most directly changing is exactly the electric spark that produces when not had the brush motor running, has so just greatly reduced the interference of electric spark to remote control radio equipment; And the noise in when operation is low, and it is smooth and easy to turn round.
At present, the AC brushless electric machine that occurs on market and the data mainly is made up of shell, stator module, rotor assembly and the connector assembly be located in the shell.Wherein, AC brushless electric machine is heating, particularly rotor assembly easily after long-time the use, and how it is dispelled the heat is the difficult problem that these those skilled in the art can't overcome always; The connector assembly of AC brushless electric machine is mainly by the binding post of being located at junction block on the shell, being in the junction block and being connected through lead with coil block in the shell and be located on the junction block and the plug that is electrically connected with binding post is formed.For the comparatively abominable motor of environment for use, dust and water electrode are prone to enter into enclosure through junction block, and the part of enclosure is caused damage, and cause the motor shortening in useful life; Stator module mainly includes hollow stator body in the form of a ring; Offer some draw-in grooves on the inwall of stator body uniformly, insulate, in draw-in groove, can place insulating trip usually in order to make between stator and the coil windings on the stator; In the early stage installation process; Insulating trip is positioned at the spacing processing that the place, axial two ends of stator has no, and in transportation or carry out in the process of post-processed, the installation site of insulating trip changes easily; Cause to insulate completely between stator and the coil windings, thereby have influence on the normal use of motor.
Summary of the invention
To the deficiency that prior art exists, the utility model provides a kind of dustproof, waterproof, good heat dissipation effect, AC brushless electric machine stable, simple in structure.
For realizing above-mentioned purpose; The utility model provides following technical scheme: a kind of AC brushless electric machine; Include shell, be located at stator module, rotor assembly and connector assembly in the shell; Described stator module includes stator body, offers some draw-in grooves on the inwall of stator body uniformly, is arranged with insulating trip in the draw-in groove; Described rotor assembly includes rotating shaft and is sheathed on the cladding in the rotating shaft; Described connector assembly includes the junction block be located on the shell, be in the junction block and the binding post that is connected through lead with coil block in the shell and be located on the junction block and the plug that is electrically connected with binding post, it is characterized in that: be provided with the keeper that formation insulating trip and stator body are located between the end face at the axial two ends of described insulating trip and stator body; The installation place that described shell is positioned at junction block is provided with the lead import, is provided with sealing gasket between junction block and this lead import; Be evenly equipped with some louvres that run through cladding on the cladding in the said rotor assembly.
Wherein, Insulating trip includes the extension that is arranged in the insulated part in the stator body draw-in groove and extends to end, the axial two ends of stator body; Keeper is the extension of insulating trip; This extension and insulated part turnover, conflict with respect to the other end that is connected an end with insulated part and stator body axial end in the extension; Described some louvres are opened on the axial end of cladding and around its periphery and are uniformly distributed with, and some louvres are through to another end face by the axial end face of cladding; And offer two groups of louvres on the axial end of cladding at least, each organizes louvre interleaved setting respectively.
Adopt technique scheme; Insulating trip is extended to the outer part place of stator body keeper is set; Obtain the location after making insulating trip be mounted on the stator body, prevent that its installation site from skew taking place and cause the electronics fluctuation of service, and adopt the mode of insulating trip flanging to position; Need not to use other parts and implement the location, simple in structure; Through offering louvre being used to discharge on the cladding of permanent magnet, the heat that produces in the time of can be with the rotating shaft high speed rotating looses fast and removes, and prevents that effectively the too high heat of motor accumulated from damaging inner vigour part or reduce its useful life.And it is easy to process to offer louvre, simple in structure; Through between the lead import of shell and junction block, sealing gasket being set, can prevent that extraneous dust or water from being entered in the shell by the lead import, the parts in the shell have been played the effect of protection, the useful life of having extended motor.
The utility model further is set to: be provided with gasket seal between junction block and the plug, pass through cross coiled hair screw between plug and the junction block.
Adopt technique scheme, the binding post of gasket seal in can the butted line seat is set between junction block and plug protects.
The utility model further is set to: the draw-in groove on the stator body include cross section be arcuation placed cavity and with the opening of placed cavity conducting; Be provided with tapered opening between opening and the placed cavity; Be provided with insulating trip in the described draw-in groove, tapered opening place of said draw-in groove is provided with the insulation inserted sheet with the tapered opening clamping.
Adopt technique scheme because insulating trip is a soft materials, be mounted to it in draw-in groove after; Can be extended to by the opening part of draw-in groove outside the inner peripheral surface of stator body by the part of bending; Through tapered opening place the insulation inserted sheet is set, can insulating trip be plugged in the placed cavity, prevent to produce friction between extension and the rotor of insulating trip at draw-in groove; Guaranteed the stability of motor operation, and simple in structure.
The utility model further is set to: be provided with stator side face locating part between stator body and the shell, this stator side face locating part includes the tapped through hole that is opened on the shell, be located on the stator body outside wall surface and with shell on the corresponding setting of tapped through hole screw and be inserted in tapped through hole and extend to the screw rod in the screw.
Adopt technique scheme; Through stator side face locating part is set between stator body and shell; Can access the location after making stator body be in the shell; Prevented that effectively the motor position that stator body is in the shell in use or transportation from changing, guaranteed the stability of motor operation.And adopt the fixing mode of screw rod simple in structure, the convenient installation and dismounting.
The utility model further is set to: be arranged with in the rotating shaft of rotor assembly and be the encoder that removably connects with it.
Wherein, Rotating shaft is connected through bolt with encoder; The end face of the axial end of said rotating shaft is provided with screwed hole; Encoder is provided with the mounting blocks that is connected with the rotating shaft socket, and mounting blocks is provided with the hole adaptive with the rotating shaft upper screwed hole, and the edge, hole that bolt passes on the mounting blocks extends in the screwed hole in the rotating shaft.
Adopt technique scheme; Through sheathed encoder in rotating shaft, encoder can be added up the speed and the number of turns of rotating shaft rotation, then signal is transferred to servo-driver; Make operating personnel know the ruuning situation of rotating shaft; Through servo-driver motor is debugged then, realized the control and the statistics of countershaft rotating speed, expanded the scope of application of AC brushless electric machine.
Below in conjunction with accompanying drawing the utility model is further described.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the I portion enlarged diagram of Fig. 1;
Fig. 3 is the structural representation of stator module among the utility model embodiment;
Fig. 4 is the A-A generalized section of Fig. 3;
Fig. 5 is the structural representation of stator body among the utility model embodiment;
Fig. 6 is the structural representation of insulating trip among the utility model embodiment;
Fig. 7 is the structural representation of the utility model embodiment rotor assembly;
Fig. 8 is that the B of Fig. 7 is to sketch map;
Fig. 9 is the structural representation that stator body combines with shell among the utility model embodiment;
Figure 10 is the II portion enlarged diagram of Fig. 9.
Embodiment
Like Fig. 1-a kind of AC brushless electric machine shown in Figure 10, include shell 1, be located at stator module 2, rotor assembly 3 and connector assembly 4 in the shell 1.
In the utility model embodiment; Stator module 2 includes stator body 21; Offer some draw-in grooves 22 on the inwall of stator body 21 uniformly, be arranged with insulating trip 23 in the draw-in groove 22, insulating trip 23 is a modified poly ester film nonwoven polyester fabric composite flexible material; Be provided with the keeper that constitutes insulating trip 23 and stator body 21 location between the end face at the axial two ends of insulating trip 23 and stator body 21; Wherein, Insulating trip 23 includes the extension 232 that is arranged in the insulated part 231 in stator body 21 draw-in grooves 22 and extends to stator body 21 axial ends, two ends; Keeper is the extension 232 of insulating trip 23; This extension 232 and insulated part 231 turnovers, conflict with respect to the other end that is connected an end with insulated part 231 and stator body 21 axial ends in extension 232.Insulating trip 23 is extended to stator body 21 outer part places keeper is set; Obtain the location after making insulating trip 23 be mounted on the stator body 21; Prevent that its installation site from taking place to squint and cause the electronics fluctuation of service; And adopt the mode of insulating trip 23 flangings to position, need not to use other parts and implement the location, simple in structure.Need to prove; Draw-in groove 22 on the stator body 21 include cross section be arcuation placed cavity 221 and with the opening 222 of placed cavity 221 conductings; Be provided with tapered opening 223 between opening 222 and the placed cavity 221; Insulating trip 23 is in draw-in groove 22, and tapered opening 223 places of draw-in groove 22 are provided with the insulation inserted sheet 24 with tapered opening 223 clampings.Because insulating trip 23 is a soft materials; After being mounted to it in draw-in groove 22, can be extended to outside the inner peripheral surface of stator body 21 by opening 222 places of draw-in groove 22, insulation inserted sheet 24 is set through tapered opening 223 places at draw-in groove 22 by the part of bending; Can insulating trip 23 be plugged in the placed cavity 221 of draw-in groove 22; Prevent to produce friction between extension 232 and the rotor assembly 3 of insulating trip 23, guaranteed the stability of motor operation, and simple in structure.
In the utility model embodiment, rotor assembly 3 includes rotating shaft 31 and is sheathed on the cladding 32 in the rotating shaft 31; Be evenly equipped with some louvres 321 that run through cladding 32 on the cladding 32; Some louvres 321 are opened on the axial end of cladding 32 and around its periphery and are uniformly distributed with, and some louvres 321 are through to another end face by the axial end face of cladding 32; And offer two groups of louvres 321 on the axial end of cladding 32 at least, each organizes louvre 321 interleaved setting respectively.Offer louvre 321 being used to discharge on the cladding 32 of permanent magnet, the heat that produces in the time of can be with rotating shaft 31 high speed rotating looses fast and removes, and prevents that effectively the too high heat of motor accumulated from damaging inner vigour part or reduce its useful life.And it is easy to process to offer louvre 321, simple in structure.More convenient at the axial end of cladding 32 louvre 321 that is arranged, and radiating effect is more obvious.Be arranged with in the rotating shaft 31 of rotor assembly 3 and be the encoder 33 that removably connects with it; Encoder 33 connects through bolt 331; The end face of rotating shaft 31 axial ends is provided with screwed hole 311; Encoder 34 is provided with the mounting blocks 341 that is connected with rotating shaft 31 sockets, and mounting blocks 341 is provided with and the adaptive hole 342 of rotating shaft 31 upper screwed holes 311, and bolt 331 passes hole 342 on the mounting blocks 341 along extending in the screwed hole 311 in the rotating shaft 31.Through sheathed encoder 34 in rotating shaft 31; Encoder 34 can be added up the speed and the number of turns of rotating shaft 31 rotations; Then signal is transferred to servo-driver, make operating personnel know the ruuning situation of rotating shaft, through servo-driver motor is debugged then; Realize the control and the statistics of countershaft 31 rotating speeds, expanded the scope of application of AC brushless electric machine.
In the utility model embodiment, connector assembly 4 includes the junction block 41 be located on the shell 1, be in the junction block 41 and the binding post 42 that is connected through lead with coil block in the shell 1 and be located on the junction block 41 and the plug 43 that is electrically connected with binding post 42.Through between the lead import of shell 1 and junction block 41, sealing gasket 44 being set, can prevent that extraneous dust or water from being entered in the shell 1 by the lead import, the parts in the shell 1 have been played the effect of protection, the useful life of having extended motor.And, be provided with gasket seal 45 between junction block 41 and the plug 43, pass through cross coiled hair screw between plug 43 and the junction block 41.
In the utility model embodiment; Be provided with stator side face locating part 5 between stator body 21 and the shell 1, this stator side face locating part 5 includes the tapped through hole 51 that is opened on the shell 1, be located on stator body 21 outside wall surface and with shell 1 on tapped through hole 51 corresponding settings screw 52 and be inserted in tapped through hole 51 and extend to the screw rod 53 in the screw 52.Through stator side face locating part 5 is set between stator body 21 and shell 1; Can access the location after making stator body 21 be in the shell 1; Prevented that effectively the motor position that stator body 21 is in the shell 1 in use or transportation from changing, guaranteed the stability of motor operation.And the mode that adopts screw rod 53 to fix is simple in structure, the convenient installation and dismounting.
Claims (8)
1. an AC brushless electric machine includes shell, is located at stator module, rotor assembly and connector assembly in the shell, and described stator module includes stator body, offers some draw-in grooves on the inwall of stator body uniformly, is arranged with insulating trip in the draw-in groove; Described rotor assembly includes rotating shaft and is sheathed on the cladding in the rotating shaft; Described connector assembly includes the junction block be located on the shell, be in the junction block and the binding post that is connected through lead with coil block in the shell and be located on the junction block and the plug that is electrically connected with binding post, it is characterized in that: be provided with the keeper that formation insulating trip and stator body are located between the end face at the axial two ends of described insulating trip and stator body; The installation place that described shell is positioned at junction block is provided with the lead import, is provided with sealing gasket between junction block and this lead import; Be evenly equipped with some louvres that run through cladding on the cladding in the said rotor assembly.
2. AC brushless electric machine according to claim 1; It is characterized in that: described insulating trip includes the extension that is arranged in the insulated part in the stator body draw-in groove and extends to end, the axial two ends of stator body; Keeper is the extension of insulating trip; This extension and insulated part turnover, conflict with respect to the other end that is connected an end with insulated part and stator body axial end in the extension; Described some louvres are opened on the axial end of cladding and around its periphery and are uniformly distributed with, and some louvres are through to another end face by the axial end face of cladding; And offer two groups of louvres on the axial end of cladding at least, each organizes louvre interleaved setting respectively.
3. AC brushless electric machine according to claim 1 and 2 is characterized in that: be provided with gasket seal between described junction block and the plug, pass through cross coiled hair screw between plug and the junction block.
4. AC brushless electric machine according to claim 1 and 2; It is characterized in that: the draw-in groove on the said stator body include cross section be arcuation placed cavity and with the opening of placed cavity conducting; Be provided with tapered opening between opening and the placed cavity; Be provided with insulating trip in the described draw-in groove, tapered opening place of said draw-in groove is provided with the insulation inserted sheet with the tapered opening clamping.
5. AC brushless electric machine according to claim 1 and 2; It is characterized in that: be provided with stator side face locating part between described stator body and the shell, this stator side face locating part includes the tapped through hole that is opened on the shell, be located on the stator body outside wall surface and with shell on the corresponding setting of tapped through hole screw and be inserted in tapped through hole and extend to the screw rod in the screw.
6. AC brushless electric machine according to claim 3; It is characterized in that: be provided with stator side face locating part between described stator body and the shell, this stator side face locating part includes the tapped through hole that is opened on the shell, be located on the stator body outside wall surface and with shell on the corresponding setting of tapped through hole screw and be inserted in tapped through hole and extend to the screw rod in the screw.
7. according to claim 1 or 2 or 6 described AC brushless electric machines, it is characterized in that: be arranged with in the rotating shaft of said rotor assembly and be the encoder that removably connects with it.
8. AC brushless electric machine according to claim 7; It is characterized in that: said rotating shaft is connected through bolt with encoder; The end face of the axial end of said rotating shaft is provided with screwed hole; Encoder is provided with the mounting blocks that is connected with the rotating shaft socket, and mounting blocks is provided with the hole adaptive with the rotating shaft upper screwed hole, and the edge, hole that bolt passes on the mounting blocks extends in the screwed hole in the rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204081457U CN202260737U (en) | 2011-10-24 | 2011-10-24 | Alternating current (AC) brushless motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204081457U CN202260737U (en) | 2011-10-24 | 2011-10-24 | Alternating current (AC) brushless motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202260737U true CN202260737U (en) | 2012-05-30 |
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ID=46121920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204081457U Expired - Fee Related CN202260737U (en) | 2011-10-24 | 2011-10-24 | Alternating current (AC) brushless motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202260737U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104836385A (en) * | 2015-05-27 | 2015-08-12 | 巢惠英 | Novel alternating current servo motor for machine tool |
| CN107769407A (en) * | 2017-12-04 | 2018-03-06 | 南京磁谷科技有限公司 | A kind of stators for refrigeration compressor motor axial fixing structure |
| CN109756050A (en) * | 2019-03-19 | 2019-05-14 | 苏州欧比特机械有限公司 | A kind of transverse flux motor of simple rotor structure |
-
2011
- 2011-10-24 CN CN2011204081457U patent/CN202260737U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104836385A (en) * | 2015-05-27 | 2015-08-12 | 巢惠英 | Novel alternating current servo motor for machine tool |
| CN107769407A (en) * | 2017-12-04 | 2018-03-06 | 南京磁谷科技有限公司 | A kind of stators for refrigeration compressor motor axial fixing structure |
| CN107769407B (en) * | 2017-12-04 | 2023-11-21 | 南京磁谷科技有限公司 | Axial fixing structure for motor stator of refrigeration compressor |
| CN109756050A (en) * | 2019-03-19 | 2019-05-14 | 苏州欧比特机械有限公司 | A kind of transverse flux motor of simple rotor structure |
| CN109756050B (en) * | 2019-03-19 | 2024-04-05 | 苏州欧比特机械有限公司 | Transverse flux motor with simple rotor structure |
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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: 20120530 Termination date: 20141024 |
|
| EXPY | Termination of patent right or utility model |