CN201904710U - Brushless permanent magnet DC motor with HS - Google Patents
Brushless permanent magnet DC motor with HS Download PDFInfo
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- CN201904710U CN201904710U CN2010206737536U CN201020673753U CN201904710U CN 201904710 U CN201904710 U CN 201904710U CN 2010206737536 U CN2010206737536 U CN 2010206737536U CN 201020673753 U CN201020673753 U CN 201020673753U CN 201904710 U CN201904710 U CN 201904710U
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Abstract
A brushless permanent magnet DC motor with an HS (Hall Sensor) comprises an outer rotor component, a stator component, an HS component and a frame component, wherein the frame component comprises a frame including a sleeve and a circular disc, and bearings respectively arranged at two ends of the inner circle of the sleeve; the HS component comprises an IC (Integrated Circuit) board sleeved on the outer circle of the sleeve, as well as an HS element and a lead group both arranged on the IC board; the stator component comprises an iron core provided with a plurality of poles and sleeved in the outer circle of the sleeve, and an insulating layer with a coil wound thereon and arranged on the outer surface of the iron core; the outer rotor component comprises a cup-shaped magnetic yoke, a rotating shaft coaxially mounted with an inner circle of the cup-shaped magnetic yoke via a liner bushing, and a magnet arranged in the inner circle of the cup-shaped magnetic yoke; the rotating shaft is sleeved in the inner circle of the bearing in a penetrating manner; a spring is arranged between the liner bushing and the bearing; the cup-shaped magnetic yoke is movably sleeved at the edge of the iron core; and a clamping ring is arranged at the head part of the rotating shaft. The brushless permanent magnet DC motor with the HS has small volume, large power, high rotational speed and efficiency, good speed regulation and heat dissipation property, long service life, good low-voltage start-up property, small noise, no commutation spark interference, etc.
Description
Technical field
The utility model relates to electrical micro-machine, relates in particular to a kind of Hall element brushless permanent-magnet DC of external-rotor-type.
Background technology
Over year, micromotor is used widely on control automatically, robot, Medical Devices, toy surplus in the of nearly ten, but most of for having the brush miniature magnetic DC motor.There are shortcomings such as interference is big, noise is big, the life-span is short in this motor, while production technology more complicated, and the production cycle is long.In needs long-life, low noise and glitch-free occasion, especially in the application of Medical Devices, existingly have the brush miniature magnetic DC motor and just can't satisfy its requirement.
The utility model content
The utility model purpose is to disturb technical problem big, that noise is big, the life-span is short in order to solve existing miniature magnetic DC motor, proposes that a kind of no-spark interference, long-life, moment are big, the high and low noise of rotating speed, low vibration and the good Hall that has of startability be the brushless permanent-magnet DC of transducer.
For solving the problems of the technologies described above, the band Hall element brushless permanent-magnet DC that the utility model proposes, it comprises coaxial installation all-in-one-piece external rotor assembly, stator module, hall sensor component and frame component.
Described frame component comprises: by a sleeve be located at support that the disk of this sleeve one end forms, be located at the bearing of justifying two ends in this sleeve respectively;
Described hall sensor component comprises: be set in the sleeve cylindrical of described support the IC plate, by be set up on the IC plate and by three Hall elements of phase angle requirements distribution be welded on lead wire set on the IC plate;
Described stator module comprises: repeatedly press the iron core that forms, the appearance of this iron core to be provided with insulating barrier by stator punching, and stator punching is provided with a plurality of utmost points, winds on it with coil; And iron core sleeve is loaded on the cylindrical of the sleeve of support;
Described external rotor assembly comprises: cup-shaped yoke, be connected with cup-shaped yoke by a lining and the coaxial rotating shaft of circle in this cup-shaped yoke, be located at the magnet on the cup-shaped yoke inner peripheral surface; Described rotating shaft is passed in the interior circle of sleeve inner bearing, is provided with a spring between the lining bearing relative with it, and the cup-shaped yoke kink of external rotor assembly is in the outer rim of iron core, and the head of rotating shaft is provided with a collar.
The utility model is made into one with iron core, coil and Hall element, and adorn an external rotor that has a permanent magnet in its outer rim, magnet adopts high performance material to make, and has that volume is little, power is big, rotating speed is high, efficient is high, characteristics such as electric machine speed regulation performance and perfect heat-dissipating.Owing to adopted the Hall element electronic commutation, motor low-voltage startability is better than the non sensor brushless permanent magnet direct current motor.The utility model is because brushless contact and with the Hall element commutation, also have the life-span long, noise is little and characteristics such as non-commutation spark interference, and compact conformation, reliable operation is suitable in enormous quantities, high efficiency production.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples, wherein:
Fig. 1 is the three-dimensional explosive view of the utility model preferred embodiment;
Fig. 2 is the cutaway view of the utility model preferred embodiment;
Fig. 3 is the cutaway view of rotor assembly;
Fig. 4 is the cutaway view of stator module;
Fig. 5 a and Fig. 5 b are respectively hall sensor component front view and end view.
Embodiment
Fig. 1, Fig. 2 show the basic structure of the utility model preferred embodiment, described band Hall element brushless permanent-magnet DC, and it comprises external rotor assembly 1, stator module 4, hall sensor component 5 and frame component.
Please in conjunction with Fig. 3, external rotor assembly 1 comprises: cup-shaped yoke 10, coaxially in the circle in this cup-shaped yoke be provided with a rotating shaft 9, this rotating shaft is fixedlyed connected with the bottom wall body of cup-shaped yoke 10 by a lining 8, and also is provided with the magnet 11 of ring-type on cup-shaped yoke 10 inner peripheral surfaces.The yoke of cup-shaped housing can be carried out than dynamic balancing on request.Magnet 11 adopts high-performance magnet steel-strong magnets, can be processed into roundly, magnetic and becomes 2 pairs of utmost points, press the distribution of N-S polarity.Also can be processed into the magnet of 4 ~ 14 pieces watts of shapes, distributing by polarity is fixed on the internal circular surfaces of yoke 10.The concrete piece number of magnet can be chosen according to number of magnetic poles.
Please in conjunction with Fig. 4, stator module 4 comprises: repeatedly press the iron core 14 that forms by stator punching, the appearance of this iron core is provided with insulating barrier, and stator punching is provided with a plurality of utmost points, winds on it with coil 13.Present embodiment, the stator punching of iron core are provided with 6 utmost points, also can choose 6 ~ 12 utmost points as required.Iron core is extremely gone up by three-phase Y-connection method and is wound with coil 13, also can distribute according to polarity and press triangle connection coiling 13.The insulating barrier of iron core appearance adopts goes up insulating case 12, following insulating case 15 structures, and iron core appearance insulating barrier also can be the epoxy insulation layer that applies.
Please in conjunction with Fig. 5 a and Fig. 5 b, hall sensor component 5 comprises: have through hole IC plate 18, be located at three Hall elements 17 on the IC plate and be welded on lead wire set 19 on the IC plate by support 16, three Hall elements distribute by the phase angle requirement, guarantee that three phase windings commutate smoothly.
Frame component comprises: by a sleeve 30 be located at support 6 that the disk of this sleeve one end forms, be located at the bearing 3 of justifying two ends in this sleeve respectively.
As depicted in figs. 1 and 2, the iron core 14 of IC plate 18 in the hall sensor component and stator module is set in the cylindrical of the sleeve 30 of support.The rotating shaft 9 of rotor assembly is passed in the interior circle of the bearing 3 in the sleeve 30, is provided with a spring 2 between lining 8 bearing 3 relative with it, and cup-shaped yoke 10 kinks of external rotor assembly are in the outer rim of iron core 14.The head on rotating shaft 9 right sides is provided with a collar 7, and with external rotor assembly 1, stator module 4, hall sensor component 5 with frame component is coaxial links into an integrated entity, promptly guarantees the location of external rotor assembly and stator module, has guaranteed that again the rotation of external rotor assembly is flexible.Bearing 3 is accurate high rotating speed bearing, guaranteed the concentricity of external rotor assembly and stator module cylindrical, so that rotor rotation is flexible, is fit to high-revolving requirement.
The overall dimension of present embodiment is: diameter phi 24 ~ φ 60, height 15 ~ 50mm.Stator has Hall element, brushless.Rotating part is the external rotor assembly.Work as energized, external rotor assembly 1 just can be relative to rotating with the fixing stator module 4 of support 6 under the effect of magnetic force, and by the left end of rotating shaft 9 torque is exported.The utility model volume is little, power is big, rotating speed is high, efficient is high, electric machine speed regulation performance and perfect heat-dissipating.Because brushless contact and have Hall element, have the life-span long, the low voltage starting performance is good, noise is little and characteristics such as non-commutation spark interference, and compact conformation, reliable operation.
Claims (5)
1. a band Hall element brushless permanent-magnet DC comprises coaxial installation all-in-one-piece external rotor assembly (1), stator module (4), hall sensor component (5) and frame component, it is characterized in that,
Described frame component comprises: by a sleeve (30) be located at support (6) that the disk of this sleeve one end forms, be located at the bearing (3) at circle two ends in this sleeve respectively;
Described hall sensor component (5) comprising: be set in sleeve (30) cylindrical of described support IC plate (18), be located at three Hall elements (17) on the IC plate and that distribute by the phase angle requirement and be welded on lead wire set (19) on the IC plate by support (16);
Described stator module (4) comprising: repeatedly press the iron core (14) that forms, the appearance of this iron core to be provided with insulating barrier by stator punching, and stator punching is provided with a plurality of utmost points, winds on it with coil (13); Iron core (14) is set in the cylindrical of the sleeve (30) of support;
Described external rotor assembly (1) comprising: cup-shaped yoke (10), be connected with cup-shaped yoke by a lining (8) and the coaxial rotating shaft (9) of circle in this cup-shaped yoke, be located at the magnet on the cup-shaped yoke inner peripheral surface; Described rotating shaft (9) is passed in the interior circle of bearing (3) of sleeve (30), be provided with a spring (2) between lining (8) bearing (3) relative with it, cup-shaped yoke (10) kink of external rotor assembly is in the outer rim of iron core (14), and the head of rotating shaft (9) is provided with a collar (7).
2. motor as claimed in claim 1 is characterized in that, the stator punching of described iron core (14) is provided with 6 ~ 12 utmost points.
3. motor as claimed in claim 2 is characterized in that, the insulating barrier of described iron core (14) is last insulating case (12) and following insulating case (15) or the epoxy insulation layer for applying.
4. motor as claimed in claim 3 is characterized in that, described coil (13) forms by three-phase star or the coiling of triangle connection method.
5. motor as claimed in claim 4 is characterized in that, described magnet (11) is ring-like strong magnet or is the ring-type strong magnet by polarity distribution formation by 4 ~ 14 pieces watts of shapes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206737536U CN201904710U (en) | 2010-12-22 | 2010-12-22 | Brushless permanent magnet DC motor with HS |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206737536U CN201904710U (en) | 2010-12-22 | 2010-12-22 | Brushless permanent magnet DC motor with HS |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201904710U true CN201904710U (en) | 2011-07-20 |
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ID=44275302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206737536U Expired - Lifetime CN201904710U (en) | 2010-12-22 | 2010-12-22 | Brushless permanent magnet DC motor with HS |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201904710U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104009607A (en) * | 2014-04-03 | 2014-08-27 | 昆山航天林泉电机有限公司 | Outer rotor type brushless direct-current motor for vehicle-mounted power |
| WO2015035765A1 (en) * | 2013-09-12 | 2015-03-19 | 中山大洋电机制造有限公司 | External rotor motor structure |
| CN106787580A (en) * | 2017-03-29 | 2017-05-31 | 大连碧蓝节能环保科技有限公司 | Pin-connected panel micro brushless dc motor |
| CN107725310A (en) * | 2017-11-09 | 2018-02-23 | 农业部南京农业机械化研究所 | A kind of plant protection unmanned plane dispenser pump and its control method |
| CN108496300A (en) * | 2016-02-22 | 2018-09-04 | 深圳市大疆灵眸科技有限公司 | Motor position senses |
| CN109391079A (en) * | 2017-08-08 | 2019-02-26 | 罗伯特·博世有限公司 | Electric motor |
| WO2022110897A1 (en) * | 2020-11-25 | 2022-06-02 | 台州正立电机有限公司 | Device for testing performance of non-inductive control system of permanent magnet motor |
-
2010
- 2010-12-22 CN CN2010206737536U patent/CN201904710U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015035765A1 (en) * | 2013-09-12 | 2015-03-19 | 中山大洋电机制造有限公司 | External rotor motor structure |
| CN104009607A (en) * | 2014-04-03 | 2014-08-27 | 昆山航天林泉电机有限公司 | Outer rotor type brushless direct-current motor for vehicle-mounted power |
| CN108496300A (en) * | 2016-02-22 | 2018-09-04 | 深圳市大疆灵眸科技有限公司 | Motor position senses |
| US10903723B2 (en) | 2016-02-22 | 2021-01-26 | Sz Dji Osmo Technology Co., Ltd. | Motor positional sensing |
| US11411472B2 (en) | 2016-02-22 | 2022-08-09 | Sz Dji Osmo Technology Co., Ltd. | Motor positional sensing |
| CN106787580A (en) * | 2017-03-29 | 2017-05-31 | 大连碧蓝节能环保科技有限公司 | Pin-connected panel micro brushless dc motor |
| CN106787580B (en) * | 2017-03-29 | 2018-10-12 | 大连碧蓝节能环保科技有限公司 | Pin-connected panel micro brushless dc motor |
| CN109391079A (en) * | 2017-08-08 | 2019-02-26 | 罗伯特·博世有限公司 | Electric motor |
| CN107725310A (en) * | 2017-11-09 | 2018-02-23 | 农业部南京农业机械化研究所 | A kind of plant protection unmanned plane dispenser pump and its control method |
| WO2022110897A1 (en) * | 2020-11-25 | 2022-06-02 | 台州正立电机有限公司 | Device for testing performance of non-inductive control system of permanent magnet motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110720 |
|
| CX01 | Expiry of patent term |