CN201774426U - Novel stator expanded form brushless DC (direct current) motor - Google Patents
Novel stator expanded form brushless DC (direct current) motor Download PDFInfo
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- CN201774426U CN201774426U CN2010202680238U CN201020268023U CN201774426U CN 201774426 U CN201774426 U CN 201774426U CN 2010202680238 U CN2010202680238 U CN 2010202680238U CN 201020268023 U CN201020268023 U CN 201020268023U CN 201774426 U CN201774426 U CN 201774426U
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- iron core
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- brushless motor
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- motor
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Abstract
The utility model discloses a novel stator expanded form brushless DC motor, which comprises a stator and a rotor, wherein the stator is embedded in the rotor and is in empty sleeve connection with the rotor, the stator is provided with a plurality of iron cores which are connected in a ring to form a barrel shape, and the iron cores are directly connected through connection layers on the outer sides of the iron cores. The novel stator expanded form brushless DC motor, which adopts the stator structure, is simpler no matter in production process or in iron core winding process, the manufacturing cost is lowered, moreover, the quantity of the iron cores can be increased or decreased without limitation, so that the purpose of changing the size of the stator optionally can be achieved.
Description
Technical field
The present invention relates to a kind of dc brushless motor, especially a kind of novel stator expansion dc brushless motor.
Background technology
Dc brushless motor structurally has very big similarity with brush motor, and rotor and stator are also arranged, only with the inverted configuration of brush motor; The rotor of brush motor is a coil windings, be connected with power output shaft, stator is a permanent magnetic steel, and the rotor of dc brushless motor is a permanent magnetic steel, link to each other with output shaft together with shell, stator is a winding coil, remove brush motor and be used for the commutating brush of checker electromagnetic field, but start by driver, stop, braking, so be referred to as dc brushless motor, the brush motor of comparing, dc brushless motor has brushless, the low interference, noise is low, internal resistance is little, long service life, advantageous feature such as maintenance cost is low, in recent years, dc brushless motor became a kind of power fast-developing in the model field, and in China, though the dc brushless motor start-up time is later, along with the increasingly mature of technology obtained fast development equally with improving page or leaf, and at model plane, medicine equipment, household electrical appliance, be used widely in a plurality of fields such as electric motor car.Yet, the dc brushless motor of traditional structure, because its cost is high, complex manufacturing causes performance to be protected, noise control as the main advantage of dc brushless motor on producing, can't control, energy consumption can't drop to bottom line, and stator structure can only preestablish according to motor size, can't arbitrarily add and change, hindered further developing and promoting the use of of dc brushless motor, therefore, the brushless motor structure that needs a kind of more science changes a series of defectives that have dc brushless motor now.
Summary of the invention
The embodiment of the invention is at the problems referred to above, a kind of novel stator expansion dc brushless motor is provided, brushless motor stator structure by changeable, reach and cut down the consumption of energy and production technology, minimizing production cost, and can adjust the purpose of motor stator structure size, this invention concrete grammar is as follows:
This kind dc brushless motor comprises the rotor that shell and magnet steel constitute, and magnet steel attaches inside the shell, and the rotor outside also is connected with output shaft; Also comprise a plurality of iron cores, iron core circularizes and connects and composes the tubbiness stator; Rotor is installed on the stator outside and is connected with the coaxial empty cover of stator; Iron core section integral body is " worker " font, and mid portion is provided with winding slot; The iron core bottom outside is an arcwall face; Also be provided with articulamentum between the iron core.
Preferably, articulamentum is attached to the iron core bottom outside, and extends to iron core section two side directions.
Preferably, iron core section two bottom sides is provided with inner fovea part.
Preferably, the contact-making surface between iron core bottom surface and the iron core is acute angle.
Use technical scheme of the present invention, the stator of dc brushless motor is formed by connecting by the articulamentum annular of a plurality of detachable iron core unit by the outside, thereby the coiling of iron core can be undertaken by outer winding mode when stator launches, feasible coiling is easier, has improved operating efficiency; The iron core lateral surface is an arc, improved the closed degree of shape of stator, and the inner fovea part of iron core section two bottom sides, make the directly stressed reduction of conflict of portion when barreled between the iron core, improved the useful life of iron core, the dc brushless motor of this kind structure is compared than the dc brushless motor of traditional structure, has reduced energy consumption and noise, and, the dc brushless motor of this kind stator structure can increase or reduce iron core quantity arbitrarily, thereby reaches the purpose of the size that changes the dc brushless motor stator.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, does not constitute to improper qualification of the present invention, in the accompanying drawings:
Fig. 1 is the utility model embodiment 1 dc brushless motor structural representation;
Fig. 2 is the utility model embodiment 1 stator deployed configuration schematic diagram.
Embodiment
Describe the present invention in detail below in conjunction with accompanying drawing and specific embodiment, be used for explaining the present invention in this illustrative examples of the present invention and explanation, but not as a limitation of the invention.
Embodiment 1:
As illustrated in fig. 1 and 2, dc brushless motor shell 11, its inboard is provided with magnet steel layer 12, and direct current machine shell 11 is formed dc brushless motor rotor 1 with inboard magnet steel 12, and rotor 1 outside has been provided with output shaft; In rotor 1 inside, then be provided with stator 3, stator 3 connects into tubbiness by 6 identical iron core 2 annulars and forms, and the section integral body of iron core 2 is " worker " font, and iron core 2 sections bottom, the one side of promptly pointing to rotor 1 is an arcwall face, iron core 2 mid portions are provided with winding slot, between rotor 1 and stator 3, also are provided with silicon steel layer 4, this silicon steel layer 4 is attached to the bottom outer surface of each iron core 2, becomes tubbiness with 2 connections of 6 iron cores and with iron core 2 lock rings.
As improvement of the technical scheme, the closed degree of shape when becoming stator 3 for improving iron core 2 barreleds, the contact-making surface between the bottom surface of iron core 2 and the iron core 2 is 60 degree angles.So, when 6 same iron core 2 barreleds were become stator 3, the closed degree of the shape of iron core 2 was the highest.
As improvement of the technical scheme, the closed degree of shape when becoming stator 3 for improving iron core 2 barreleds, the contact-making surface bottom between iron core 2 also is provided with the inner fovea part 5 that caves inward.
Embodiment 2:
The dc brushless motor shell, its inboard is provided with the magnet steel layer, and the direct current machine shell is formed the dc brushless motor rotor with inboard magnet steel layer, and the rotor outside has been provided with output shaft; At internal rotor, then be provided with stator, stator connects into tubbiness by 9 identical iron core annulars and forms, and the section integral body of iron core is " worker " font, and iron core section bottom, the one side of promptly pointing to rotor is an arcwall face, the iron core mid portion is provided with winding slot, between rotor and stator, also is provided with the silicon steel layer, this silicon steel laminating is attached to the bottom outer surface of each iron core, becomes tubbiness with 9 iron cores connections and with the iron core lock ring.
As improvement of the technical scheme, for improving the closed degree of shape between the iron core, the bottom surface of iron core and the contact-making surface between the iron core are 70 degree angles.So, when 9 same iron core barreleds were become stator, the closed degree of the shape of iron core was the highest.
As improvement of the technical scheme, the closed degree of shape when becoming stator for improving the iron core barreled, the contact-making surface bottom between iron core also is provided with the inner fovea part that caves inward.
In the foregoing description scheme, the stator of dc brushless motor is formed by the annular lock ring of the silicon steel layer in the outside by a plurality of detachable iron cores, thereby the coiling of iron core can be undertaken by outer winding mode when stator launches, feasible coiling is easier, has improved operating efficiency; The iron core lateral surface is an arc, improved the closed degree of shape of stator, and the inner fovea part of iron core section two bottom sides, make the directly stressed reduction of conflict of portion when barreled between the iron core, improved the useful life of iron core, the dc brushless motor of this kind structure is compared than the dc brushless motor of traditional structure, has reduced energy consumption and noise, and, the dc brushless motor of this kind stator structure can increase or reduce iron core quantity arbitrarily, thereby reaches the purpose of the size that changes the dc brushless motor stator
More than the technical scheme that the embodiment of the invention provided is described in detail, used specific case herein the principle and the execution mode of the embodiment of the invention are set forth, the explanation of above embodiment only is applicable to the principle that helps to understand the embodiment of the invention; Simultaneously, for one of ordinary skill in the art, according to the embodiment of the invention, the part that on embodiment and range of application, all can change, in sum, this description should not be construed as limitation of the present invention.
Claims (5)
1. novel stator expansion dc brushless motor is characterized in that: comprise the rotor (1) that shell (11) and magnet steel (12) constitute, magnet steel (12) is attached to shell (11) inboard, and rotor (1) outside also is connected with output shaft;
Also comprise a plurality of iron cores (2), described iron core (2) section integral body is " worker " font, and iron core (2) mid portion is provided with winding slot, circularizes between the iron core (2) and connects and composes tubbiness stator (3);
Stator (3) is installed on rotor (1) inboard, and described stator (3) is connected with the coaxial empty cover of rotor (1);
Described iron core (2) bottom outside is an arcwall face;
Described iron core (2) outside also is provided with articulamentum.
2. novel stator expansion dc brushless motor as claimed in claim 1 is characterized in that:
Described articulamentum is attached to iron core (2) bottom outside, and extends to iron core (2) section two side directions.
3. novel stator expansion dc brushless motor as claimed in claim 1 is characterized in that:
Described articulamentum is silicon steel flaggy (4).
4. novel stator expansion dc brushless motor as claimed in claim 1 is characterized in that:
Described iron core (2) section two bottom sides is provided with inner fovea part (5).
5. novel stator expansion dc brushless motor as claimed in claim 1 is characterized in that:
Be acute angle between described iron core (2) bottom surface and the iron core contact-making surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202680238U CN201774426U (en) | 2010-07-22 | 2010-07-22 | Novel stator expanded form brushless DC (direct current) motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202680238U CN201774426U (en) | 2010-07-22 | 2010-07-22 | Novel stator expanded form brushless DC (direct current) motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201774426U true CN201774426U (en) | 2011-03-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202680238U Expired - Fee Related CN201774426U (en) | 2010-07-22 | 2010-07-22 | Novel stator expanded form brushless DC (direct current) motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201774426U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113489176A (en) * | 2021-07-16 | 2021-10-08 | 鉴丰电子科技有限公司 | Treadmill direct current brushless motor control system and adopt treadmill of this system |
-
2010
- 2010-07-22 CN CN2010202680238U patent/CN201774426U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113489176A (en) * | 2021-07-16 | 2021-10-08 | 鉴丰电子科技有限公司 | Treadmill direct current brushless motor control system and adopt treadmill of this system |
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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: 20110323 Termination date: 20160722 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |