CN202918081U - Permanent-magnetic brushless sensorless direct current motor - Google Patents
Permanent-magnetic brushless sensorless direct current motor Download PDFInfo
- Publication number
- CN202918081U CN202918081U CN 201220538819 CN201220538819U CN202918081U CN 202918081 U CN202918081 U CN 202918081U CN 201220538819 CN201220538819 CN 201220538819 CN 201220538819 U CN201220538819 U CN 201220538819U CN 202918081 U CN202918081 U CN 202918081U
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- stator
- stator core
- bearing
- permanent magnet
- direct current
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Abstract
The utility model discloses a permanent-magnetic brushless sensorless direct current motor, which comprises a shell, a stator core, a shell end cover, a rotor permanent magnet, a positioning copper sleeve, a first bearing, a second bearing, an adjusting gasket, an epoxy wiring board, a lower stator end plate, an upper stator end plate, a rotor shaft, stator coils, and wiring grooves, wherein the adjusting gasket is arranged on the end cover of the bearing side of the shell end cover; the positioning copper sleeve is arranged on the rotor shaft of the bearing driving side; the outer diameter of the stator core is 40-50mm; the inner hole diameter of the stator core is 18-28mm; the length of the stator core is 20-30mm; the number of the wiring grooves is six; the stator coils are sleeved respectively on each groove; and the stator coils form a Y-type wiring way via the epoxy wiring board. By adopting the above structure, the quality is ensured, and assembly is facilitated; the motor has low noise, saves materials, is light in weight, and stable output of the motor power is facilitated; and the motor has the advantages of simple structure, convenient installation, high efficiency, light weight, low production cost and the like.
Description
Technical field
The utility model belongs to machine field, particularly a kind of for without the brushless, permanently of blade fan without the sensing direct current machine.
Background technology
Existing without the blade fan electric machine structure, some weak point below main the existence: the one, with the dc brushless motor of Hall element, because being electronic component, uses at the high environment of temperature Hall element, very easily damage, often damage in the Hall element welding process and scrap, repair rate is high, production efficiency is low, scrappage is high.The 2nd, Rotor Assembly adopts magnet ring, armature spindle, core structure, and production process is complicated, efficient is low, and the rotor assembling is inconvenient, and manufacturability is poor.The 3rd, rotor adopts the level Four permanent magnet, makes easily without blade fan and produces resonance noise, and repair rate is high.
Summary of the invention
Technical problem to be solved in the utility model provides that a kind of, good manufacturability stable without hall sensing, low noise, power stage, cost are low, the brushless, permanently being convenient to produce in batches is without the sensing direct current machine, to solve prior art permanent magnetic brushless band hall sensing, fragile, repair rate is high, manufacturability is poor, noise is large, the defectives such as processing cost height.
The technical scheme that its technical problem that solves the utility model adopts is:
A kind of brushless, permanently is without the sensing direct current machine, comprise casing, stator core, shell end cover, rotor permanent magnet, the location copper sheathing, clutch shaft bearing, the second bearing, adjust pad, the epoxy terminal block, lower stator end plate, upper stator end plate, armature spindle, stator coil, the armature spindle equal diameters, end cap in bearing one side of shell end cover arranges the adjustment pad, driving one side armature spindle at bearing arranges the location copper sheathing, the external diameter of stator core is 40-50mm, the endoporus aperture of stator core is 18-28mm, the length of stator core is 20-30mm, also comprise winding slot, winding slot is provided with six grooves, overlap respectively on each groove stator coil is arranged, stator coil forms the Y type mode of connection by the epoxy terminal block, the stator coil wire diameter adopts 0.08-0.31mm, rotor permanent magnet adopts eight magnetic poles, and the air gap between stator core and the rotor permanent magnet is 0.5-1.Omm.
Described rotor permanent magnet is that the oblique magnetic Shooting Technique of employing and armature spindle are one-body molded.
The beneficial effects of the utility model are:
In the utility model, motor stator adopts the Y type mode of connection by the epoxy terminal block, has simplified to a great extent technique, has improved the manufacturability of product.
In the utility model, motor stator does not adopt Hall element, directly adopts DC driven, has reduced the scrapping of product, repair rate, has improved simultaneously production efficiency, has reduced production cost.
In the utility model, rotor permanent magnet and armature spindle adopt oblique magnetic injection moulding integrated molding, can reduce process complexity, enhance productivity.Tiltedly the magnetic Shooting Technique can also reduce motor noise simultaneously.
Description of drawings
Fig. 1 is the utility model cutaway view.
Embodiment
Below in conjunction with specific embodiment, further set forth the utility model.Should understand these embodiment only is used for the explanation utility model and is not used in restriction scope of the present utility model.Should be understood that in addition those skilled in the art can make various changes or modifications utility model after the content of having read the utility model instruction, these equivalent form of values fall within the application's appended claims limited range equally.
As shown in Figure 1, the described a kind of brushless, permanently of present embodiment comprises casing 1, stator core 2, shell end cover 3, rotor permanent magnet 4, location copper sheathing 5, clutch shaft bearing 6, the second bearing 7, adjusts pad 8, epoxy terminal block 9, lower stator end plate 10, upper stator end plate 11, armature spindle 12, stator coil 13 without the sensing direct current machine.Armature spindle 12 equal diameters, arrange at the end cap of bearing 6 one sides of shell end cover 3 and to adjust pad 8, driving one side armature spindle 12 at bearing 7 arranges location copper sheathing 5, the external diameter of stator core 2 is 40-50mm, the endoporus aperture of stator core 2 is 18-28mm, and the length of stator core 2 is 20-30mm.Also comprise winding slot, winding slot is provided with six grooves, overlap respectively on each groove stator coil 13 is arranged, stator coil 13 forms the Y type mode of connection by epoxy terminal block 9, stator coil 13 wire diameters adopt 0.08-0.31mm, rotor permanent magnet 4 adopts eight magnetic poles, and the air gap between stator core 2 and the rotor permanent magnet 4 is 0.5-1.Omm.Rotor permanent magnet 4 is that the oblique magnetic Shooting Technique of employing and armature spindle 12 are one-body molded.
Claims (2)
1. a brushless, permanently is without the sensing direct current machine, comprise casing (1), stator core (2), shell end cover (3), rotor permanent magnet (4), location copper sheathing (5), clutch shaft bearing (6), the second bearing (7), adjust pad (8), epoxy terminal block (9), lower stator end plate (10), upper stator end plate (11), armature spindle (12), stator coil (13), it is characterized in that: armature spindle (12) equal diameters, arrange at the end cap of bearing (6) one sides of shell end cover (3) and to adjust pad (8), driving one side armature spindle (12) at bearing (7) arranges location copper sheathing (5), the external diameter of stator core (2) is 40-50mm, the endoporus aperture of stator core (2) is 18-28mm, the length of stator core (2) is 20-30mm, also comprise winding slot, winding slot is provided with six grooves, overlap respectively on each groove stator coil (13) is arranged, stator coil (13) forms the Y type mode of connection by epoxy terminal block (9), stator coil (13) wire diameter adopts 0.08-0.31mm, rotor permanent magnet (4) adopts eight magnetic poles, and the air gap between stator core (2) and the rotor permanent magnet (4) is 0.5-1.0mm.
2. brushless, permanently according to claim 1 is characterized in that without the sensing direct current machine: described rotor permanent magnet (4) is that the oblique magnetic Shooting Technique of employing and armature spindle (12) are one-body molded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220538819 CN202918081U (en) | 2012-10-11 | 2012-10-11 | Permanent-magnetic brushless sensorless direct current motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220538819 CN202918081U (en) | 2012-10-11 | 2012-10-11 | Permanent-magnetic brushless sensorless direct current motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202918081U true CN202918081U (en) | 2013-05-01 |
Family
ID=48166357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220538819 Expired - Fee Related CN202918081U (en) | 2012-10-11 | 2012-10-11 | Permanent-magnetic brushless sensorless direct current motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202918081U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104426315A (en) * | 2013-09-04 | 2015-03-18 | 山洋电气株式会社 | Three-phase electromagnetic motor |
| CN105375657A (en) * | 2015-12-14 | 2016-03-02 | 广东美芝制冷设备有限公司 | Motor and compressor equipped with same |
-
2012
- 2012-10-11 CN CN 201220538819 patent/CN202918081U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104426315A (en) * | 2013-09-04 | 2015-03-18 | 山洋电气株式会社 | Three-phase electromagnetic motor |
| US10069365B2 (en) | 2013-09-04 | 2018-09-04 | Sanyo Denki Co., Ltd. | Three-phase electromagnetic motor with 8*n permanent magnet rotor and 6*n magnetic pole stator with 3*n windings around every other magnetic pole |
| CN104426315B (en) * | 2013-09-04 | 2020-06-26 | 山洋电气株式会社 | Three-phase electromagnetic motor |
| CN105375657A (en) * | 2015-12-14 | 2016-03-02 | 广东美芝制冷设备有限公司 | Motor and compressor equipped with same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Zhang Hengyi Document name: Notification to Pay the Fees |
|
| DD01 | Delivery of document by public notice |
Addressee: Zhang Longyang Document name: Notification of Termination of Patent Right |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130501 Termination date: 20131011 |