CN202918081U - Permanent-magnetic brushless sensorless direct current motor - Google Patents

Permanent-magnetic brushless sensorless direct current motor Download PDF

Info

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
Authority
CN
China
Prior art keywords
stator
bearing
stator core
permanent magnet
shell
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.)
Expired - Fee Related
Application number
CN 201220538819
Other languages
Chinese (zh)
Inventor
章恒毅
Original Assignee
章恒毅
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 章恒毅 filed Critical 章恒毅
Priority to CN 201220538819 priority Critical patent/CN202918081U/en
Application granted granted Critical
Publication of CN202918081U publication Critical patent/CN202918081U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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

A kind of brushless, permanently is without the sensing direct current machine
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.
CN 201220538819 2012-10-11 2012-10-11 Permanent-magnetic brushless sensorless direct current motor Expired - Fee Related CN202918081U (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (4)

* Cited by examiner, † Cited by third party
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

Similar Documents

Publication Publication Date Title
CN204559345U (en) Adopt single stator and double-rotor desk permanent-magnet wheel hub motor of printed circuit winding
CN203352408U (en) A brushless DC motor, and a water pump and an electric appliance using the same
CN204013168U (en) A kind of flat DC permanent magnet iron-core-free brushless motor for ultra-thin DVD
CN102457120B (en) Motor and radiating fan formed by motor
CN202918081U (en) Permanent-magnetic brushless sensorless direct current motor
CN202004614U (en) Ironless and brushless permanent magnet DC (Direct Current) motor with inner and outer rotors
CN203352300U (en) Stator assembly and sealed motor
CN201256311Y (en) Non iron core disc type motor
CN203377713U (en) An external rotor motor
CN203301333U (en) Brushless DC industrial motor
CN1707919A (en) Inserted iron-core axial magnetic field permanent magnetic disc type electric machine
CN204497938U (en) A kind of external rotor electric machine
CN103312107A (en) Brushless direct-current industrial motor
CN102969862A (en) Outer rotor type brushless direct current motor
CN209472457U (en) A kind of ultrahigh speed three-phase slotless fan motor
CN110829653A (en) Single-spindle driving permanent magnet synchronous motor structure of integrated two-for-one twister
CN204761192U (en) External rotor electric machine
CN201393150Y (en) Permanent-magnetic DC electric motor with double commutators
CN203632517U (en) Motor without magnet ring structure
CN215733691U (en) Novel low-speed direct-drive brushless hub motor
CN206389261U (en) A kind of long-life three-phase brushless dc motor
CN209472453U (en) A kind of three-phase slotless high-speed motor
CN202616903U (en) Radial-magnetic-field brushless coreless permanent magnet motor
CN210431043U (en) Small-size efficient power generation device
CN2583871Y (en) Brushless dc motor

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