CN204741391U - Single -phase DC Brushless motor - Google Patents
Single -phase DC Brushless motor Download PDFInfo
- Publication number
- CN204741391U CN204741391U CN201520344224.4U CN201520344224U CN204741391U CN 204741391 U CN204741391 U CN 204741391U CN 201520344224 U CN201520344224 U CN 201520344224U CN 204741391 U CN204741391 U CN 204741391U
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- stator
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- brushless motor
- motor drive
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- Y02P80/116—
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model relates to a single -phase DC Brushless motor, including stator and rotor, the stator includes annular stator core and a plurality of stator coil, and stator coil circumference equipartition is on stator core's inner wall, and every stator coil matches along the equidistant recess that is equipped with fixed stator coil of circumferencial direction, the tip shape and the groove phase of utmost point tooth including utmost point tooth, the coil skeleton and the coil of coiling on coil skeleton of cover on utmost point tooth, stator core's inner wall, and the tip of utmost point tooth inlays in the recess, the utility model discloses a complex structure of stator core recess and utmost point tooth, convenient wire winding, wire winding production facility price higher than the technical scheme wire winding machining efficiency of a body structure of present stator is hanged down.
Description
Technical field
The utility model relates to a kind of single-phase DC brushless motor.
Background technology
Traditional single-phase DC brushless motor, stator is integrative-structure, and the efficiency of coiling is lower, and production cost is higher, and the cost of coiling production equipment is also very high.Once bad, be difficult to maintenance, the cost of maintenance is also very high.
Utility model content
In order to solve the problem, the utility model provides a kind of single-phase DC brushless motor to solve the problems referred to above.
The utility model solves the technical scheme that its technical problem adopts: a kind of single-phase DC brushless motor, comprise stators and rotators, described stator comprises the stator core of annular and multiple stator coil, described stator coil circumference is distributed on the inwall of stator core, each stator coil comprises pole tooth, be enclosed within the coil rack on the tooth of pole, and the coil be wound on coil rack, the inwall of described stator core is along the circumferential direction equidistantly provided with the groove of fixed stator coils, the end shape of described pole tooth and groove match, the end of pole tooth is embedded in groove.
Described pole tooth is Y-shaped, comprises shank and arc portion, and described shank one end is connected with the closing end in arc portion, and the other end is fixedly connected with groove, the openend in described arc portion and described rotor outer circle bias.Sector portion, pole adopts eccentric arc design, makes the non-uniform air-gap of stators and rotators, can effectively avoid electric motor starting dead point, increases the starting torque of motor.
Described rotor comprise axle, multipole magnetization mould magnetic ferrites magnet ring and axle sleeve, what described axle was arranged on multipole magnetization moulds in the inner circle of magnetic ferrites magnet ring, and described axle sleeve is coated on moulding on magnetic ferrites magnet ring of multipole magnetization.
Also include housing unit, cap assembly and motor drive plate, described motor drive plate is arranged in housing unit, described housing unit is connected with cap assembly buckle, arranges described stators and rotators in the cavity that described housing unit and the encirclement of cap assembly are formed.
Described housing unit comprises housing and the first cover plate, the the first cavity internal fixtion formed between described housing and the first cover plate has clutch shaft bearing and the first spring leaf, described cap assembly comprises cap and the second cover plate, the second bearing and my the second spring leaf is provided with successively in the second cavity that described cap and the second cover plate are formed, fill up the first fiber grease in the first described cavity, in the second described cavity, fill up the second fiber grease.
Described stator coil has 4.
Described motor drive plate is provided with DC power supplier, motor drive ic, motor coil current detection module and tach signal feedback module; Described DC power supply is connected with the feeder ear of motor drive ic; the control output end of described motor drive ic is connected with the stator coil of single-phase brushless direct-current motor; current detecting end, the velocity measuring end of described motor drive ic are connected with the output of motor coil current detection module with tach signal feedback module respectively, and the input of described DC power supplier is provided with reverse connecting protection element.
Described DC power supplier comprises DC power supply and filter circuit, and described reverse connecting protection element arranges and is connected between DC power supply and filter circuit.
The beneficial effects of the utility model are, (1) housing unit and cap assembly by buckle structure link together instead of traditional screw by housing unit and cap assembly fastening, do not need screw, save material cost and installation time, (2) structure coordinated of stator core groove and pole tooth is adopted, facilitate coiling, higher than the technical scheme coiling working (machining) efficiency of the integrative-structure of existing stator, coiling production equipment price is low, (3) sector portion in pole adopts eccentric arc design, make the non-uniform air-gap of stators and rotators, can effectively avoid electric motor starting dead point, increase the starting torque of motor, (4) reverse-connection protection circuit in motor drive plate, if electric power polarity connects instead, the diode of the reverse connecting protection of electric machine controller can stop electric current ramp metering device, thus avoid the possibility damaging electric machine controller.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the structural representation of the optimum embodiment of the utility model single-phase DC brushless motor,
Fig. 2 is the structural representation of the utility model housing unit,
Fig. 3 is the structural representation of the utility model cap assembly,
Fig. 4 is the utility model stator structure schematic diagram,
Fig. 5 is the structured flowchart of the utility model motor drive plate.
In figure 1, stator, 11, stator core, 12, stator coil, 121, pole tooth, 122, coil rack, 123, coil, 1211, shank, 1212, arc portion, 2, rotor, 21, axle, 3, housing unit, 31, housing, 32, the first cover plate, 33, clutch shaft bearing, the 34, first spring leaf, 4, cap assembly, 41, cap, the 42, second cover plate, 43, the second bearing, the 44, second spring leaf, 5, motor drive plate.
Embodiment
By reference to the accompanying drawings the utility model is described in further detail now.These accompanying drawings are the schematic diagram of simplification, only basic structure of the present utility model are described in a schematic way, and therefore it only shows the formation relevant with the utility model.
The utility model single-phase DC brushless motor, comprise stator 1 and rotor 2, stator 1 comprises stator core 11 and multiple stator coil 12 of annular, stator coil 12 circumference is distributed on the inwall of stator core 11, the coil 123 that each stator coil 12 comprises pole tooth 121, is enclosed within the coil rack 122 on pole tooth 121 and is wound on coil rack 122, the inwall of stator core 11 is along the circumferential direction equidistantly provided with the groove of fixed stator coils 12, the end shape of pole tooth 121 and groove match, the end of pole tooth 121 is embedded in groove.
Pole tooth 121 is Y-shaped, comprises shank 1211 and arc portion 1212, and shank 1211 one end is connected with the closing end in arc portion 1212, and the other end is fixedly connected with groove, the openend in arc portion 1212 and rotor 2 excircle eccentricity.
Rotor 2 comprise axle 21, multipole magnetization mould magnetic ferrites magnet ring and axle sleeve, what axle 21 was arranged on multipole magnetization moulds in the inner circle of magnetic ferrites magnet ring, and axle sleeve is coated on moulding on magnetic ferrites magnet ring of multipole magnetization.
Also include housing unit 3, cap assembly 4 and motor drive plate 5, motor drive plate 5 is arranged in housing unit 3, and housing unit 3 is connected with cap assembly 4 buckle, arranges stator 1 and rotor 2 in the cavity that housing unit 3 and cap assembly 4 encirclement are formed.Housing unit 3 and cap assembly 4 all have axis hole, and axle 21 stretches out in axis hole.
Housing unit 3 comprises housing 31 and the first cover plate 32, clutch shaft bearing 33 and the first spring leaf 34 is fixed with successively in the first cavity formed between housing 31 and the first cover plate 32, cap assembly 4 comprises cap 41 and the second cover plate 42, the second bearing 43 and the second spring leaf 44 is provided with successively in the second cavity that cap 41 and the second cover plate 42 are formed, fill up in first cavity in the first fiber grease 35, second cavity and fill up the second fiber grease 45.
Stator coil 12 has 4.
Motor drive plate 5 is provided with DC power supplier, motor drive ic, motor coil current detection module and tach signal feedback module; DC power supply is connected with the feeder ear of motor drive ic; the control output end of motor drive ic is connected with the stator coil 12 of single-phase brushless direct-current motor; current detecting end, the velocity measuring end of motor drive ic are connected with the output of motor coil current detection module with tach signal feedback module respectively, and the input of DC power supplier is provided with reverse connecting protection element.
DC power supplier comprises DC power supply and filter circuit, and reverse connecting protection element arranges and is connected between DC power supply and filter circuit.
With above-mentioned according to desirable embodiment of the present utility model for enlightenment, by above-mentioned description, relevant staff in the scope not departing from this utility model technological thought, can carry out various change and amendment completely.The technical scope of this utility model is not limited to the content on specification, must determine its technical scope according to right.
Claims (8)
1. a single-phase DC brushless motor, it is characterized in that: comprise stator (1) and rotor (2), described stator (1) comprises stator core (11) and multiple stator coil (12) of annular, described stator coil (12) circumference is distributed on the inwall of stator core (11), each stator coil (12) comprises pole tooth (121), be enclosed within the coil rack (122) on pole tooth (121), and the coil (123) be wound on coil rack (122), the inwall of described stator core (11) is along the circumferential direction equidistantly provided with the groove of fixed stator coils (12), the end shape of described pole tooth (121) and groove match, the end of pole tooth (121) is embedded in groove.
2. single-phase DC brushless motor according to claim 1, it is characterized in that: described pole tooth (121) is Y-shaped, comprise shank (1211) and arc portion (1212), described shank (1211) one end is connected with the closing end of arc portion (1212), the other end is fixedly connected with groove, the openend of described arc portion (1212) and described rotor (2) excircle eccentricity.
3. single-phase DC brushless motor according to claim 1, it is characterized in that: described rotor (2) comprise axle (21), multipole magnetization mould magnetic ferrites magnet ring and axle sleeve, what described axle (21) was arranged on multipole magnetization moulds in the inner circle of magnetic ferrites magnet ring, and described axle sleeve is coated on moulding on magnetic ferrites magnet ring of multipole magnetization.
4. single-phase DC brushless motor according to claim 1, it is characterized in that: also include housing unit (3), cap assembly (4) and motor drive plate (5), described motor drive plate (5) is arranged in housing unit (3), described housing unit (3) is connected with cap assembly (4) buckle, arranges described stator (1) and rotor (2) in the cavity that described housing unit (3) and cap assembly (4) encirclement are formed.
5. single-phase DC brushless motor according to claim 4, it is characterized in that: described housing unit (3) comprises housing (31) and the first cover plate (32), clutch shaft bearing (33) and the first spring leaf (34) is fixed with successively in the first cavity formed between described housing (31) and the first cover plate (32), described cap assembly (4) comprises cap (41) and the second cover plate (42), the second bearing (43) and the second spring leaf (44) is provided with in the second cavity that described cap (41) and the second cover plate (42) are formed, the first fiber grease (35) is filled up in the first described cavity, the second fiber grease (45) is filled up in the second described cavity.
6. single-phase DC brushless motor according to claim 1, is characterized in that: described stator coil (12) has 4.
7. single-phase DC brushless motor according to claim 4, is characterized in that: described motor drive plate (5) is provided with DC power supplier, motor drive ic, motor coil current detection module and tach signal feedback module;
Described DC power supply is connected with the feeder ear of motor drive ic, and the control output end of described motor drive ic is connected with the stator coil (12) of single-phase brushless direct-current motor,
Current detecting end, the velocity measuring end of described motor drive ic are connected with the output of motor coil current detection module with tach signal feedback module respectively,
The input of described DC power supplier is provided with reverse connecting protection element.
8. single-phase DC brushless motor according to claim 7, is characterized in that: described DC power supplier comprises DC power supply and filter circuit, and described reverse connecting protection element arranges and is connected between DC power supply and filter circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520344224.4U CN204741391U (en) | 2015-05-25 | 2015-05-25 | Single -phase DC Brushless motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520344224.4U CN204741391U (en) | 2015-05-25 | 2015-05-25 | Single -phase DC Brushless motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204741391U true CN204741391U (en) | 2015-11-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520344224.4U Active CN204741391U (en) | 2015-05-25 | 2015-05-25 | Single -phase DC Brushless motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204741391U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106451853A (en) * | 2016-10-27 | 2017-02-22 | 佛山市三水日彩电器有限公司 | Low-frequency mute efficient direct-current motor |
| WO2018072397A1 (en) * | 2016-10-20 | 2018-04-26 | 广东美的环境电器制造有限公司 | Stator of single phase direct current motor for fan, single phase direct current motor, and fan |
| CN108390499A (en) * | 2017-02-03 | 2018-08-10 | 信浓绢糸株式会社 | Motor and air blower |
-
2015
- 2015-05-25 CN CN201520344224.4U patent/CN204741391U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018072397A1 (en) * | 2016-10-20 | 2018-04-26 | 广东美的环境电器制造有限公司 | Stator of single phase direct current motor for fan, single phase direct current motor, and fan |
| CN106451853A (en) * | 2016-10-27 | 2017-02-22 | 佛山市三水日彩电器有限公司 | Low-frequency mute efficient direct-current motor |
| CN108390499A (en) * | 2017-02-03 | 2018-08-10 | 信浓绢糸株式会社 | Motor and air blower |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Wujin District 213011 of Jiangsu Province, Changzhou City Yaoguan Tong Road No. 19 Patentee after: JIANGSU LEILI MOTOR CO., LTD. Address before: Wujin District 213011 of Jiangsu Province, Changzhou City Yaoguan Tong Road No. 19 Patentee before: Changzhou Leshi Leili Electrical Appliance Co., Ltd. |