CN108011461A - A kind of low voltage DC motor for retractable door - Google Patents
A kind of low voltage DC motor for retractable door Download PDFInfo
- Publication number
- CN108011461A CN108011461A CN201711443772.2A CN201711443772A CN108011461A CN 108011461 A CN108011461 A CN 108011461A CN 201711443772 A CN201711443772 A CN 201711443772A CN 108011461 A CN108011461 A CN 108011461A
- Authority
- CN
- China
- Prior art keywords
- motor
- low voltage
- rotor
- retractable door
- rotor core
- Prior art date
- 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.)
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
- H02K11/21—Devices for sensing speed or position, or actuated thereby
- H02K11/215—Magnetic effect devices, e.g. Hall-effect or magneto-resistive elements
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
- H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Abstract
The invention discloses a kind of low voltage DC motor for retractable door, including casing (1), the wire bar (2) and rotor (3) to cooperate is equipped with casing (1), protecgulum (4) is additionally provided with casing (1)；The rotor (3) includes shaft (5), is arranged with rotor core (6) in shaft (5), rotor core (6) is externally provided with magnetic shoe (7)；The rotor core (6) includes polylith rotor (601), rotor (601) outer face is equipped with one group of equally distributed card slot (602), and card slot (602) both ends are equipped with the card access surface (603) of incline structure；The magnetic shoe (7) is located in card slot (602).The present invention has the characteristics that easy for installation and reduces magnetic leakage.
Description
Technical field
The present invention relates to a kind of direct current generator, particularly a kind of low voltage DC motor for retractable door.
Background technology
Since most retractable door is outdoor, in order to ensure safety, low voltage DC motor can be generally selected to drive.
But it is by setting a hole on rotor core, then by magnetic shoe between the rotor core and magnetic shoe of existing direct current generator
Grafting, completes to fix, and this mode not only installs trouble, but also motor can also produce leakage field phenomenon in the process of running, influences
The normal use of motor.Therefore, there is installation trouble and easy the problem of leakage field occurs for existing technology.
The content of the invention
It is an object of the present invention to provide a kind of low voltage DC motor for retractable door.The present invention has easy for installation
The characteristics of with magnetic leakage is reduced.
Technical scheme：A kind of low voltage DC motor for retractable door, including casing, casing is interior to be equipped with mutually
The wire bar and rotor of cooperation, are additionally provided with protecgulum on casing；The rotor includes shaft, and rotor core is arranged with shaft, turns
Sub- iron core is externally provided with magnetic shoe；The rotor core includes polylith rotor, and rotor outer face is equipped with one group of equally distributed card
Groove, card slot both ends are equipped with the card access surface of incline structure；The magnetic shoe is located in card slot.
In a kind of foregoing low voltage DC motor for retractable door, the lower end of the rotor core flushes cloth with wire bar
Put, rotor core upper end is higher than wire bar upper end, and the distance between rotor core upper end and wire bar upper end are 1-3mm.
In a kind of foregoing low voltage DC motor for retractable door, between the rotor core upper end and wire bar upper end
Distance is 2mm.
In a kind of foregoing low voltage DC motor for retractable door, the angle between described two card access surfaces is 16-18
Degree.
In a kind of foregoing low voltage DC motor for retractable door, the thickness of the card slot is 3-5mm.
In a kind of foregoing low voltage DC motor for retractable door, the magnetic shoe includes the magnetic shoe body of arcuate structure,
Magnetic shoe body both ends are equipped with inclined plane, and the angle between two inclined planes is 16-18 degree, and the thickness of magnetic shoe body is 3-5mm.
In a kind of foregoing low voltage DC motor for retractable door, the wire bar is equipped with enameled wire group, enameled wire
Group is connected with motor connecting wire group；Hall subassembly is additionally provided with the wire bar, Hall subassembly is connected with external connection group, external connection
Group external part is equipped with terminal.
In a kind of foregoing low voltage DC motor for retractable door, the protecgulum includes front cover body, front cover body
Lower section is equipped with shackle member, and the middle part below front cover body is equipped with bearing installation cavity, and through hole is equipped with above bearing installation cavity；Described
Casing top is equipped with and the matched horizontal threaded securing bores of protecgulum.
In a kind of foregoing low voltage DC motor for retractable door, the shackle member lower end is equipped with incline structure, and inclines
Angle between biassed fabric and shackle member vertical plane is 15-25 degree.
In a kind of foregoing low voltage DC motor for retractable door, the height of the rotor core is 26.75-
27.25mm。
Compared with prior art, the present invention is set by setting card slot on the outer face of rotor, and at the both ends of card slot
The card access surface of incline structure, it is not only easy for installation for fixing magnetic shoe, and also the precision installed is also higher, at the same time, moreover it is possible to magnetic shoe
Degree of firmly installing it is also higher；By the close contact between magnetic shoe and card slot internal face, the leakage rate in magnetic field can be reduced, is blocked
The card access surface that groove both ends are in tilted layout can also effectively stop leakage magnetic field, both combine, so as to subtract to greatest extent
The generation of few magnetic leakage phenomenon.In conclusion the present invention has the characteristics that easy for installation and reduces magnetic leakage.
In addition, the lower end of rotor core and wire bar flush arrangement, rotor core upper end are higher than wire bar upper end 1-3mm, so that
Enable Hall subassembly more preferably, monitor coherent signal faster, improve the induction sensitivity of Hall subassembly, and then improve motor
Overall operation stability and the precision of control.
It is separately provided by the way that the external connection group of the motor connecting wire group of enameled wire group and Hall subassembly is divided into two strands, both side
Just use, and can be easy to repair.Meanwhile by carrying out mutual cooperation fixation with casing in front cover body and shackle member, and lead to
The incline structure of shackle member lower end is crossed, can effectively improve installation accuracy, the installation for also greatly facilitating protecgulum is fixed.It is logical
Cross and horizontal threaded securing bores are set on casing, for fixing and adjusting protecgulum, convenient installation.
Brief description of the drawings
Fig. 1 is the structure diagram of the present invention；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is the structure diagram of rotor；
Fig. 4 is the structure diagram of rotor core；
Fig. 5 is the structure diagram of magnetic shoe；
Fig. 6 is the structure diagram of protecgulum.
Mark in attached drawing for：1- casings, 2- wire bars, 3- rotors, 4- protecgulums, 5- shafts, 6- rotor cores, 7- magnetic shoes,
8- motor connecting wire groups, 9- external connection groups, 10- terminals, 401- front cover bodies, 402- shackle members, 403- bearing installation cavitys, 404-
Through hole, 405- incline structures, 601- rotors, 602- card slots, 603- card access surfaces, 701- magnetic shoe bodies, 702- inclined planes.
Embodiment
The present invention is further illustrated with reference to the accompanying drawings and examples, but be not intended as to the present invention limit according to
According to.
Embodiment.A kind of low voltage DC motor for retractable door, is formed as shown in Figures 1 to 6, including casing 1, casing
The wire bar 2 and rotor 3 to cooperate is equipped with 1, protecgulum 4 is additionally provided with casing 1；The rotor 3 includes shaft 5, in shaft 5
Rotor core 6 is arranged with, rotor core 6 is externally provided with magnetic shoe 7；The rotor core 6 includes polylith rotor 601, outside rotor 601
One group of equally distributed card slot 602 is equipped with along face, 602 both ends of card slot are equipped with the card access surface 603 of incline structure；The magnetic shoe
7 in card slot 602.
The lower end of the rotor core 6 and 2 flush arrangement of wire bar, 6 upper end of rotor core is higher than 2 upper end of wire bar, and rotor
The distance between 6 upper end of iron core and 2 upper end of wire bar are 1-3mm.
The distance between 6 upper end of rotor core and 2 upper end of wire bar are 2mm.
Angle between described two card access surfaces 603 is 16-18 degree.Angle between two card access surfaces 603 is preferably 17
Degree.
The thickness of the card slot 602 is 3-5mm.The thickness of the card slot 602 is preferably 4mm.
The magnetic shoe 7 includes the magnetic shoe body 701 of arcuate structure, and 701 both ends of magnetic shoe body are equipped with inclined plane 702, two
Angle between inclined plane 702 is 16-18 degree, and the thickness of magnetic shoe body 701 is 3-5mm.Angle between two inclined planes 702
Preferably 17 degree, the thickness of magnetic shoe body 701 is preferably 4mm.
The wire bar 2 is equipped with enameled wire group, and enameled wire group is connected with motor connecting wire group 8；On the wire bar 2 also
Equipped with Hall subassembly, Hall subassembly is connected with external connection group 9, and 9 external part of external connection group is equipped with terminal 10.
The protecgulum 4 includes front cover body 401, and the lower section of front cover body 401 is equipped with shackle member 402, under front cover body 401
The middle part of side is equipped with bearing installation cavity 403, and the top of bearing installation cavity 403 is equipped with through hole 404；1 top of casing be equipped with
The matched horizontal threaded securing bores 11 of protecgulum 4.
402 lower end of shackle member is equipped with incline structure 405, and between 402 vertical plane of incline structure 405 and shackle member
Angle is 15-25 degree.Angle between 402 vertical plane of incline structure 405 and shackle member is preferably 20 degree.
The height of the rotor core 6 is 26.75-27.25mm.The highly preferred of rotor core 6 is 27mm.
The both ends of the shaft are additionally provided with bearing, and two bearings are individually fixed in the inside of bottom of shell and protecgulum.
The polylith rotor is fixed through rivet interlacement.
The installation process of rotor：Rotor core is pressed into shaft, it is then appropriate in the card slot surface smear of rotor core
Anaerobic adhesive, magnetic shoe is then inserted into card slot, adjacent magnetic shoe is respectively N poles and S poles, is preferably respectively pressed at the both ends of shaft
Bearing.
The thickness of the magnetic shoe refers to the difference of the internal-and external diameter of the magnetic shoe of arcuate structure.
The installation process of the present invention：First the wire bar for being wound with enameled wire group and Hall subassembly is installed in casing, then
The bearing of rotor one end is fixed on bottom of shell, the rotor core lower end on rotor is flushed with wire bar lower end, on rotor core
End face is higher by wire bar upper surface 2mm, and protecgulum then is pressed into casing so that the bearing of rotor upper end is fixed on the axis of front cover body
Holding in installation cavity, rotor is topmost located at outside protecgulum, while motor connecting wire group and edge group are covered in the past respectively
It is pierced by two holes, is finally fixed protecgulum and casing with bolt.
Claims (10)
- A kind of 1. low voltage DC motor for retractable door, it is characterised in that：Including casing (1), phase interworking is equipped with casing (1) The wire bar (2) and rotor (3) of conjunction, are additionally provided with protecgulum (4) on casing (1)；The rotor (3) includes shaft (5), shaft (5) On be arranged with rotor core (6), rotor core (6) is externally provided with magnetic shoe (7)；The rotor core (6) includes polylith rotor (601), rotor (601) outer face is equipped with one group of equally distributed card slot (602), and card slot (602) both ends are equipped with incline structure Card access surface (603)；The magnetic shoe (7) is located in card slot (602).
- A kind of 2. low voltage DC motor for retractable door according to claim 1, it is characterised in that：The rotor core (6) lower end and wire bar (2) flush arrangement, rotor core (6) upper end be higher than wire bar (2) upper end, and rotor core (6) upper end and The distance between wire bar (2) upper end is 1-3mm.
- A kind of 3. low voltage DC motor for retractable door according to claim 2, it is characterised in that：The rotor core (6) the distance between upper end and wire bar (2) upper end are 2mm.
- A kind of 4. low voltage DC motor for retractable door according to claim 1, it is characterised in that：Described two clampings Angle between face (603) is 16-18 degree.
- A kind of 5. low voltage DC motor for retractable door according to claim 1, it is characterised in that：The card slot (602) thickness is 3-5mm.
- A kind of 6. low voltage DC motor for retractable door according to claim 1, it is characterised in that：The magnetic shoe (7) Magnetic shoe body (701) including arcuate structure, magnetic shoe body (701) both ends are equipped with inclined plane (702), two inclined planes (702) Between angle be 16-18 degree, the thickness of magnetic shoe body (701) is 3-5mm.
- A kind of 7. low voltage DC motor for retractable door according to claim 1, it is characterised in that：The wire bar (2) enameled wire group is equipped with, enameled wire group is connected with motor connecting wire group (8)；Hall group is additionally provided with the wire bar (2) Part, Hall subassembly are connected with external connection group (9), and external connection group (9) external part is equipped with terminal (10).
- A kind of 8. low voltage DC motor for retractable door according to claim 1, it is characterised in that：The protecgulum (4) include front cover body (401), be equipped with shackle member (402) below front cover body (401), the middle part below front cover body (401) Equipped with bearing installation cavity (403), through hole (404) is equipped with above bearing installation cavity (403)；Described casing (1) top be equipped with The matched horizontal threaded securing bores (11) of protecgulum (4).
- A kind of 9. low voltage DC motor for retractable door according to claim 8, it is characterised in that：The shackle member (402) lower end is equipped with incline structure (405), and the angle between incline structure (405) and shackle member (402) vertical plane is 15- 25 degree.
- A kind of 10. low voltage DC motor for retractable door according to claim 1, it is characterised in that：The rotor iron The height of core (6) is 26.75-27.25mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711443772.2A CN108011461B (en) | 2017-12-27 | 2017-12-27 | Low-voltage direct current motor for retractable door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711443772.2A CN108011461B (en) | 2017-12-27 | 2017-12-27 | Low-voltage direct current motor for retractable door |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108011461A true CN108011461A (en) | 2018-05-08 |
| CN108011461B CN108011461B (en) | 2020-07-21 |
Family
ID=62061607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711443772.2A Active CN108011461B (en) | 2017-12-27 | 2017-12-27 | Low-voltage direct current motor for retractable door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108011461B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000116044A (en) * | 1998-09-29 | 2000-04-21 | Mitsubishi Electric Corp | Permanent magnet motor |
| CN202014180U (en) * | 2011-04-14 | 2011-10-19 | 侯学青 | 60 W to 320 W brushless permanent magnetic direct current motor structure without position sensor |
| CN102687373A (en) * | 2009-11-24 | 2012-09-19 | 三菱电机株式会社 | Permanent magnet type rotating electrical machine and electrically operated power steering device using the same |
| CN202488239U (en) * | 2011-09-28 | 2012-10-10 | 卧龙电气集团股份有限公司 | Permanent magnetic direct current motor rotor |
| CN103117610A (en) * | 2013-01-31 | 2013-05-22 | 滁州市荣德电子科技有限公司 | Magnetic-steel-embedded rotor structure of brushless motor |
| CN105322675A (en) * | 2014-06-26 | 2016-02-10 | 日本电产株式会社 | Motor |
| CN106208578A (en) * | 2016-08-04 | 2016-12-07 | 日本电产凯宇汽车电器（江苏）有限公司 | A kind of permasyn morot |
| CN106979157A (en) * | 2017-05-31 | 2017-07-25 | 广东美芝制冷设备有限公司 | Compressor and refrigeration plant |
-
2017
- 2017-12-27 CN CN201711443772.2A patent/CN108011461B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000116044A (en) * | 1998-09-29 | 2000-04-21 | Mitsubishi Electric Corp | Permanent magnet motor |
| CN102687373A (en) * | 2009-11-24 | 2012-09-19 | 三菱电机株式会社 | Permanent magnet type rotating electrical machine and electrically operated power steering device using the same |
| CN202014180U (en) * | 2011-04-14 | 2011-10-19 | 侯学青 | 60 W to 320 W brushless permanent magnetic direct current motor structure without position sensor |
| CN202488239U (en) * | 2011-09-28 | 2012-10-10 | 卧龙电气集团股份有限公司 | Permanent magnetic direct current motor rotor |
| CN103117610A (en) * | 2013-01-31 | 2013-05-22 | 滁州市荣德电子科技有限公司 | Magnetic-steel-embedded rotor structure of brushless motor |
| CN105322675A (en) * | 2014-06-26 | 2016-02-10 | 日本电产株式会社 | Motor |
| CN106208578A (en) * | 2016-08-04 | 2016-12-07 | 日本电产凯宇汽车电器（江苏）有限公司 | A kind of permasyn morot |
| CN106979157A (en) * | 2017-05-31 | 2017-07-25 | 广东美芝制冷设备有限公司 | Compressor and refrigeration plant |
Non-Patent Citations (1)
| Title |
|---|
| 叶金虎 编著: "《现代无刷直流永磁电动机的原理和设计》", 31 August 2007, 中国电力出版社 * |
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| Publication number | Publication date |
|---|---|
| CN108011461B (en) | 2020-07-21 |
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