CN203813633U - Ultra-thin permanent magnet synchronous motor - Google Patents
Ultra-thin permanent magnet synchronous motor Download PDFInfo
- Publication number
- CN203813633U CN203813633U CN201420158968.2U CN201420158968U CN203813633U CN 203813633 U CN203813633 U CN 203813633U CN 201420158968 U CN201420158968 U CN 201420158968U CN 203813633 U CN203813633 U CN 203813633U
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- CN
- China
- Prior art keywords
- permanent magnet
- motor
- magnet synchronous
- synchronous motor
- upper cover
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000001360 synchronised effect Effects 0.000 title claims abstract description 23
- 230000004323 axial length Effects 0.000 claims abstract description 14
- 238000007789 sealing Methods 0.000 claims description 27
- 230000002528 anti-freeze Effects 0.000 claims description 5
- 238000002955 isolation Methods 0.000 claims description 5
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 239000012774 insulation material Substances 0.000 abstract 2
- 238000009434 installation Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000011664 signaling Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Motor Or Generator Frames (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
Abstract
The utility model discloses an ultra-thin permanent magnet synchronous motor including a base and a sealed upper cover. A position encoder, a motor bearing, a motor stator and a permanent magnet rotor are installed between the base and the sealed upper cover. An end of the position encoder and the motor bearing are respectively embedded to a yoke portion of the permanent magnet rotor. A permanent magnet is also attached to the inner shaft end of the permanent magnet rotor, and outer surfaces of the motor bearing and the position encoder are respectively wrapped by magnetic insulation material layers. Through structural improvement, the motor becomes thinner as a whole, the axial length of the motor bearing is less than or equal to 55mm, and the loading space is greatly saved; the motor bearing and the position encoder are wrapped by the magnetic insulation material layers to avoid the interference of a magnetic field generated by the permanent magnet, so that a position signal outputted by the position encoder is more stable; and the ultra-thin permanent magnet synchronous motor has a waterproof function, is highly adaptable, can be adapted to complex environments, and thus is very popular.
Description
Technical field
The utility model relates to motor apparatus technical field, specifically, relates to a kind of in order to control the ultrathin permanent magnet synchronous motor of elevator door.
Background technology
In prior art, most of bearing capacities are the elevator below 100kg, the rated moment of the motor of desired control elevator door switch is between 2.7Nm～3.5Nm, and current elevator door drives motor, its axial length is also long, be unfavorable for the installation of elevator door, be also unfavorable for saving space resources.
But, due to the restriction of elevator door installing space, make to require motor to get over Bao Yuehao in axial length, so, just can be convenient to the installation of elevator door, further save installing space.The motor of existing control elevator door, its axial length is long, is generally greater than 75mm, can not solve space problem, makes the space of the elevator hoistways of each building also can be excessive, thereby, can increase too much installation cost.
By this, design aly in order to control the extra-thin permanent magnet synchronous motor of elevator door, be convenient to the installation of elevator door and save space resources etc., be necessary.
Utility model content
The purpose of this utility model is to overcome the deficiency of above-mentioned prior art and the ultrathin permanent magnet synchronous motor of the one that provides.
The technical scheme that the utility model solution prior art problem adopts is: a kind of ultrathin permanent magnet synchronous motor, its improvement is: it comprises base and sealing upper cover, between described base and sealing upper cover, position coder, motor bearings, motor stator and p-m rotor is installed; Wherein, one end of described position coder and described motor bearings are inlayed respectively the yoke portion to described p-m rotor, and the interior axle head of described p-m rotor is adhesive with a permanent magnet.
Below above technical scheme is further elaborated:
Preferably, the axial length≤55mm of described motor bearings.
Preferably, the outer surface of described motor bearings and position coder is enclosed with respectively a NULL layer.
Preferably, described NULL layer is any one in antifreeze plate or magnetic isolation plate.
Preferably, described base and described sealing upper cover fix by screw, and are provided with sealing ring between described base and sealing upper cover.
Preferably, the back side of described base is provided with motor mounting hole site.
Preferably, also comprise the power line and the position coder binding post that are connected with described motor and position coder respectively, the side of described sealing upper cover has wire hole, described power line and position coder binding post stretch out by described wire hole respectively, and described power line and position coder binding post are arranged with respectively the draw in described wire hole place.
The beneficial effects of the utility model are:
One, the ultrathin permanent magnet synchronous motor of one provided by the utility model, the yoke portion to described p-m rotor is inlayed respectively in one end of described position coder and described motor bearings, make the whole axial length≤55mm of motor bearings, compared with traditional permanent magnet motor, the utility model dwindles the volume of whole motor greatly, the raw material of motor itself are saved, also saved the installing space of motor, thereby, also facilitate greatly the installation of elevator door, saved cost.
Two, in the present embodiment, the outer surface of described motor bearings and position coder is enclosed with respectively a NULL layer, adopt antifreeze plate or magnetic isolation plate that motor bearings and position coder are packed, make to ensure that the magnetic field that permanent magnet that the interior axle head of p-m rotor is pasted produces can not produce electromagnetic interference to motor bearings and position coder, make motor bearings moment of friction little, the position signalling of position coder output is also more stable, motor longer service life.
Three, in the specific implementation, between described base and sealing upper cover, adopt screw to fix, and be provided with sealing ring between described base and sealing upper cover, make the utility model form one, sealing is good, and noise is low, environmental protection, and there is water-proof function, can adapt to complex environment.
Four, in the specific implementation, on described base, have motor mounting hole site, while specifically installation, can the utility model be fixed on by motor mounting hole site to the position of the applicable driving elevator doors such as elevator hoistways sidewall, easy for installation, fast save time.
Five, in the present embodiment, described power line and position coder binding post are all to stretch out from the side of sealing upper cover, with respect to traditional stretching out from base, the utility model has further dwindled the axial length of motor itself, is also convenient to make the utility model to become thinner, and volume is small and exquisite, easy to use, more can save loading space, thereby, the utility model can be very welcome, can effectively be promoted and extensive use.
Brief description of the drawings
Fig. 1 is the overall structure schematic diagram 1 of the ultrathin permanent magnet synchronous motor of the utility model;
Fig. 2 is the overall structure schematic diagram 2 of the ultrathin permanent magnet synchronous motor of the utility model;
Fig. 3 is the longitudinal profile structural representation of the ultrathin permanent magnet synchronous motor of the utility model.
Realization, functional characteristics and the advantage of the utility model object, in connection with embodiment, are described further with reference to accompanying drawing.
In figure, base 10; Sealing upper cover 20; Position coder 30; Motor bearings 40; Motor stator 50; P-m rotor 60; Power line 70; Position coder binding post 80.
Embodiment
Describe the technical solution of the utility model in detail below with reference to drawings and the specific embodiments, so as clearer, understand invention essence of the present utility model intuitively.
Fig. 1 is the overall structure schematic diagram 1 of the ultrathin permanent magnet synchronous motor of the utility model; Fig. 2 is the overall structure schematic diagram 2 of the ultrathin permanent magnet synchronous motor of the utility model; Fig. 3 is the longitudinal profile structural representation of the ultrathin permanent magnet synchronous motor of the utility model.
Shown in Fig. 1, Fig. 2 and Fig. 3, the ultrathin permanent magnet synchronous motor of one provided by the utility model, is mainly used in the control of the elevator door to each building;
Specifically, the utility model comprises base 10 and sealing upper cover 20, between described base 10 and sealing upper cover 20, position coder 30, motor bearings 40, motor stator 50 and p-m rotor 60 is installed; Wherein, one end of described position coder 30 and described motor bearings 40 are inlayed respectively the yoke portion to described p-m rotor 60; The interior axle head of described p-m rotor 60 is adhesive with a permanent magnet, and axially outer end is fixed with a belt guide wheel, and the axial length≤55mm of described motor bearings 40.
It should be noted that, in the specific implementation, described permanent magnet is square, and described permanent magnet includes radial magnetizing type and axial charging type.
Thereby, by the improvement to an electricity machine internal part structure and position, make the whole axial length≤55mm of motor bearings 40, compare the motor of traditional control elevator door, motor axial length can reduce 27%, and also can keep the longitudinal length≤140mm of motor, compared with traditional permanent magnet motor, the utility model dwindles the volume of whole motor greatly, also more frivolous on the whole, the raw material of motor itself are saved, also saved the installing space of motor, thereby, also facilitated greatly the installation of elevator door, save cost.
And in the present embodiment, the outer surface of described motor bearings 40 and position coder 30 is enclosed with respectively a NULL layer, concrete, described NULL layer is any one in antifreeze plate or magnetic isolation plate.
By this, by NULL layer is set, adopt antifreeze plate or magnetic isolation plate that motor bearings 40 and position coder 40 are packed, make to ensure that the magnetic field that permanent magnet that the interior axle head of p-m rotor 60 is pasted produces can not produce electromagnetic interference to motor bearings 40 and position coder 30, make motor bearings 40 moment of frictions little, the position signalling that position coder 30 is exported is also more stable, and motor is also longer useful life.
Further, in the specific implementation, described base 10 fixes by screw with described sealing upper cover 20, concrete, on base 10, have the screw of depression, while making by screw, base 10 to be fixed with described sealing upper cover 20, the nut of screw flushes with base back surface, make the whole axial length of motor reduce again the distance of a nut, further make motor attenuation, and be provided with sealing ring between described base 10 and sealing upper cover 20.Thereby, make the utility model form one, sealing is good, and noise is low, environmental protection, and there is water-proof function, can adapt to complex environment.
And on described base 10, have motor mounting hole site, while specifically installation, can the utility model be fixed on by motor mounting hole site to the position of the applicable driving elevator doors such as elevator hoistways sidewall, easy for installation, fast save time.
It should be noted that, the utility model also comprises the power line 70 and the position coder binding post 80 that are connected with described motor and position coder 30 respectively, the side of described sealing upper cover 20 has wire hole, described power line 70 and position coder binding post 80 stretch out by described wire hole respectively, and described power line 70 and position coder binding post 80 are arranged with respectively the draw in described wire hole place.
And then, the utility model is by the improvement of line outlet position, stretch out from the side of sealing upper cover 20 respectively by described power line 70 and position coder binding post 80, make with respect to traditional stretching out from base 10, the utility model has further dwindled the axial length of motor itself, be also convenient to make the utility model to become thinner, and volume is small and exquisite, easy to use, more can save loading space.
In sum, the utility model is by structural improvement, make the thickness of motor entirety become thinner, can reach the axial length≤55mm that makes motor bearings 40, save greatly loading space, further, the utility model has NULL layer in the outer wrap of motor bearings 40 and position coder 30, can avoid the interference in the magnetic field that permanent magnet produces, long service life, and the utlity model has water-proof function, strong adaptability, can adapt to complex environment, thereby, the utility model can be very welcome, can effectively be popularized, there is good application value.
The foregoing is only preferred embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model specification and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (7)
1. a ultrathin permanent magnet synchronous motor, is characterized in that: it comprises base and sealing upper cover, between described base and sealing upper cover, position coder, motor bearings, motor stator and p-m rotor is installed; Wherein, one end of described position coder and described motor bearings are inlayed respectively the yoke portion to described p-m rotor, and the interior axle head of described p-m rotor is adhesive with a permanent magnet.
2. ultrathin permanent magnet synchronous motor according to claim 1, is characterized in that: the axial length≤55mm of described motor bearings.
3. ultrathin permanent magnet synchronous motor according to claim 2, is characterized in that: the outer surface of described motor bearings and position coder is enclosed with respectively a NULL layer.
4. ultrathin permanent magnet synchronous motor according to claim 3, is characterized in that: described NULL layer is any one in antifreeze plate or magnetic isolation plate.
5. ultrathin permanent magnet synchronous motor according to claim 1, is characterized in that: described base and described sealing upper cover fix by screw, and is provided with sealing ring between described base and sealing upper cover.
6. ultrathin permanent magnet synchronous motor according to claim 5, is characterized in that: the back side of described base is provided with motor mounting hole site.
7. ultrathin permanent magnet synchronous motor according to claim 5, it is characterized in that: also comprise the power line and the position coder binding post that are connected with described motor and position coder respectively, the side of described sealing upper cover has wire hole, described power line and position coder binding post stretch out by described wire hole respectively, and described power line and position coder binding post are arranged with respectively the draw in described wire hole place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420158968.2U CN203813633U (en) | 2014-04-02 | 2014-04-02 | Ultra-thin permanent magnet synchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420158968.2U CN203813633U (en) | 2014-04-02 | 2014-04-02 | Ultra-thin permanent magnet synchronous motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203813633U true CN203813633U (en) | 2014-09-03 |
Family
ID=51452333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420158968.2U Expired - Fee Related CN203813633U (en) | 2014-04-02 | 2014-04-02 | Ultra-thin permanent magnet synchronous motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203813633U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109742905A (en) * | 2018-12-20 | 2019-05-10 | 深圳市优必选科技有限公司 | A kind of electric machine assembly and steering engine |
-
2014
- 2014-04-02 CN CN201420158968.2U patent/CN203813633U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109742905A (en) * | 2018-12-20 | 2019-05-10 | 深圳市优必选科技有限公司 | A kind of electric machine assembly and steering engine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHENZHEN LUJIADE PRECISION INDUSTRY TECHNOLOGY CO. Free format text: FORMER OWNER: SHENZHEN YUANHENG MAGNETIC ELECTRICAL TECHNOLOGY CO., LTD. Effective date: 20150803 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150803 Address after: 207 room 518000, B building, Shenzhen Institute of Tsinghua University, Nanshan District hi tech Zone, Shenzhen, Guangdong Patentee after: SHENZHEN LUJIADE SEIKO TECHNOLOGY Co.,Ltd. Address before: 518000 Guangdong city of Shenzhen province Baoan District Guanlan Street Community Li Si Da BU Xiang Road No. 286 honland Eagle Science Park D401 Patentee before: SHENZHEN YUANHENG MAGNETIC ELECTRICAL TECHNOLOGY CO.,LTD. |
|
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: Nanshan District Xili street of Shenzhen city in Guangdong province 518000 white pine road Nangang first industrial park, 9 floor building, 1-4 Patentee after: SHENZHEN MOTOTEK SMART TECHNOLOGY CO.,LTD. Address before: 207 room 518000, B building, Shenzhen Institute of Tsinghua University, Nanshan District hi tech Zone, Shenzhen, Guangdong Patentee before: SHENZHEN LUJIADE SEIKO TECHNOLOGY Co.,Ltd. |
|
| 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: 20140903 |