CN203301333U - Brushless DC industrial motor - Google Patents

Brushless DC industrial motor Download PDF

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Publication number
CN203301333U
CN203301333U CN2013203542474U CN201320354247U CN203301333U CN 203301333 U CN203301333 U CN 203301333U CN 2013203542474 U CN2013203542474 U CN 2013203542474U CN 201320354247 U CN201320354247 U CN 201320354247U CN 203301333 U CN203301333 U CN 203301333U
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China
Prior art keywords
bearing
support
shaft
cap
stator core
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Active
Application number
CN2013203542474U
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Chinese (zh)
Inventor
薛昌辉
薛安志
缪立春
杜吉林
蔡清理
应新乐
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Zhejiang Sanxing Mechanical & Electronical Stock Co Ltd
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Zhejiang Sanxing Mechanical & Electronical Stock Co Ltd
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Priority to CN2013203542474U priority Critical patent/CN203301333U/en
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Publication of CN203301333U publication Critical patent/CN203301333U/en
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Abstract

The utility model provides a brushless DC industrial motor, comprising a support, a rotor and a stator arranged in the support, and a first end cap, a first bearing, a second end cap, a second bearing, a hall sensor and a fan housing. The first bearing is arranged in the first end cap, the second bearing is arranged in the second end cap, and the first end cap, the second end cap and the fan housing are independently fixedly arranged on the support. The rotor comprises a main shaft, a rotor core and a permanent magnetic steel; the stator comprises a stator core, an insulation rack and a coil winding; and the support is molded by thermosetting polyester injection, and the support is integrally molded with the stator core by injection. According to the brushless DC industrial motor, the support and the stator core are integrally molded by injection, thereby costs of the whole motor are lower, making process is simpler, and the weight of the integral motor is lighter.

Description

A kind of industrial motor of brushless direct-current
Technical field
The utility model relates to the industrial motor field, is specifically related to a kind of industrial motor of brushless direct-current.
Background technology
Brshless DC motor is a kind of of permanent magnetic synchronous electrical motor, and is not real direct current machine, the English 2LD3 that is called for short.Be different from brushless motor, brshless DC motor does not use the brushgear of machinery, adopt square wave autocontrol permagnetic synchronous motor, replace the carbon brush commutator with Hall element, use the permanent magnetic material of neodymium iron boron as rotor, comparing general traditional direct current machine on performance and have great advantage, is current optimal buncher.But present brshless DC motor on the market is due to the complex structure of its housing, stator and rotor, and generally all cost is higher.
The utility model content
The utility model is for above-mentioned the deficiencies in the prior art, provides that a kind of cost is low, the industrial motor of the simple brushless direct-current of technique.
The utility model is achieved by the following technical solution:
A kind of industrial motor of brushless direct-current, comprise support, be arranged on rotor and the stator of base inner, and the first end cap, clutch shaft bearing, the second end cap, the second bearing, Hall element and fan housing; Described clutch shaft bearing is installed in the first end cap, and the second bearing is installed in the second end cap, and described the first end cap, the second end cap and fan housing be fastening being arranged on support respectively;
It is characterized in that, described rotor comprises main shaft, rotor core and permanent magnetic steel, and described main shaft is positioned at the center of motor, the two ends of main shaft respectively with clutch shaft bearing and the second bearing hinge joint; Rotor core is packed in the periphery of main shaft; The cylindrical of rotor core is provided with the boss of many circumferential registration permanent magnetic steels, and the shape of described permanent magnetic steel is annular, and in permanent magnetic steel, ring sticks with glue agent and is packed in the cylindrical of rotor core, by the boss location of rotor core;
Described stator comprises stator core, insulating frame and coil windings; The cylindrical of described stator core is packed in support; Stator core is provided with a plurality of wire casings, and the wire casing inboard is provided with insulating frame, and coil windings is wound on insulating frame;
Described support is the support of a thermosetting polyester injection mo(u)lding, described support and stator core integrated injection molding.
Further setting of the present utility model is, the cylindrical of described stator core is provided with many square grooves;
Described Hall element is contained in the Hall element support to be responded to mutually with the periphery of permanent magnetic steel; Described Hall element support is positioned on a square groove on the stator core cylindrical, with screw, is installed in support;
Remaining square groove is filled with thermosetting polyester when support and stator core integrated injection molding.
Further setting of the present utility model is, be provided with the first shaft part, clutch shaft bearing position, the 3rd shaft part, the second bearing position, the second shaft part and draw-in groove on described main shaft, clutch shaft bearing position and clutch shaft bearing pivot joint, the first shaft part is positioned at the front end of clutch shaft bearing position, with shaft coupling, is connected; The second bearing position and the second bearing hinge joint, the second shaft part is positioned at the rear end of the second bearing position, with fan blade, is connected; The rear end of slot the second shaft part, assemble with snap ring; The 3rd shaft part between clutch shaft bearing position and the second bearing position, is fixedly mounted with rotor core.
Further setting of the present utility model is, described rotor core is that the silicon steel sheet punching laminates moulding, and the punching plane is provided with a plurality of snap closes, by the high velocity ram machine automatic overlapping and assembling, is formed, and the rotor core center is provided with the endoporus that is fixedly mounted with main shaft.
Further setting of the present utility model is, described stator core is to laminate moulding by the silicon steel sheet punching, and the punching plane is provided with a plurality of snap closes, by the high velocity ram machine automatic overlapping and assembling, is formed.
The industrial motor of the brushless direct-current that the utility model provides has all advantages of traditional direct current machine, has cancelled again carbon brush, slip ring structure simultaneously; Can the high-power operation of low speed, can save reductor and directly drive large load; Volume is little, lightweight, exert oneself large; Torque characteristics is excellent, in, the low speed torque performance is good, detent torque is large, starting current is little; Stepless speed regulation, speed adjustable range is wide, and overload capacity is strong; The anti-vibrations of jolting, noise is low, shakes littlely, and running is level and smooth, and the life-span is long.
The industrial motor of the brushless direct-current that the utility model provides has following beneficial effect:
1, support and stator core integrated injection molding in the utility model, can make the cost of whole motor lower like this, and manufacture craft is simpler, and the overall weight of motor is also lighter simultaneously.
2, the permanent magnetic steel of the utility model rotor is bonded in the outside of rotor core, with the embedded mounting means of tradition, compares, and this bonding way can be saved the material of rotor core, further reduces motor cost.
3, in the utility model, permanent magnetic steel is by the boss location of rotor core, and it is more accurate to locate, and structure is simpler.
4, in the utility model, permanent magnetic steel adopts annular magnetic steel, with traditional square magnetic steel, compares, and its magnetic circuit is more reasonable, and air gap is less, and noise is little, and efficiency is high.
5, in the utility model, the cylindrical of stator core is provided with many square grooves, when injection moulding, the part square groove is filled, and can improve the torsional strength of support, strengthens the reliability that stator core is connected with support.
Description of drawings
Fig. 1 is structure chart of the present utility model;
Fig. 2 is the A-A cross-section cutaway view of Fig. 1;
Fig. 3 is the structure chart of main shaft;
Fig. 4 is the structure chart of rotor;
Fig. 5 is the structure chart of stator;
Fig. 6 is the structure chart of Hall element;
Fig. 7 is the structure chart of permanent magnetic steel.
Embodiment
The utility model is described in more detail below in conjunction with the drawings and specific embodiments.
As shown in Fig. 1-7, the utility model provides a kind of industrial motor of brushless direct-current, comprises rotor 1, stator 2, support 3, the first end cap 4, clutch shaft bearing 5, the second end cap 6, the second bearing 7 Hall elements 8, fan blade 9, snap ring 10, fan housing 11, lifting bolt 12.
Described rotor 1 comprises main shaft 11, rotor core 12 and permanent magnetic steel 13.Described stator 2 comprises stator core 21, insulating frame 22 and coil windings 23.
Described support 3 is thermosetting polyester injection mo(u)ldings, it is that the stator core 21 of the coil windings 23 that winds is contained in the injection mould of support 3 and moulds with the thermosetting polyester envelope, can make like this cost of motor lower, manufacture craft is simpler, and the overall weight of motor is also lighter simultaneously.
Described main shaft 11 is positioned at the center of motor, clutch shaft bearing position 112 and clutch shaft bearing 5 pivot joints of main shaft 11, and the front end of clutch shaft bearing position 112 has the first shaft part 111 that is connected with shaft coupling; The second bearing position 114 of main shaft 11 and the second bearing 7 pivot joints, the rear end of the second bearing position 114 have the draw-in groove 116 of the second shaft part 115 of being connected with fan blade 9 and snap ring 10 assemblings; The 3rd shaft part 113 that is fixedly mounted with rotor core 2 is arranged between clutch shaft bearing position 112 and the second bearing position 114;
Described clutch shaft bearing 5 is installed on the first end cap 4, the second bearings 7 and is installed on the second end cap 6, and the rear end face of the second bearing 7 is provided with wave washer 13.Described the first end cap 4, the second end cap 6, fan housing 11 are arranged on respectively on support 3, by screw fastening, are installed.
Described rotor core 12 is that the silicon steel sheet punching laminates moulding, and the punching plane is provided with a plurality of snap closes 122, by the high velocity ram machine automatic overlapping and assembling, is formed, and rotor core 12 centers are provided with the endoporus 121 that is packed in the 3rd shaft part 113; Rotor core 12 cylindricals are provided with the boss 123 of many circumferential registration permanent magnetic steels 13; Described permanent magnetic steel 13 shapes are annular, and interior ring sticks with glue agent and is packed in the cylindrical of rotor core 2, by boss 123 location of rotor core 12.
Described stator core 21 is to laminate moulding by the silicon steel sheet punching, and the punching plane is provided with a plurality of snap closes 212, by the high velocity ram machine automatic overlapping and assembling, is formed, and stator core 21 cylindricals are provided with many square grooves 211, and stator core 21 cylindricals are fixedly mounted with in support 3; Stator core 21 is provided with a plurality of wire casings 213, and wire casing 213 inboards are provided with insulating frame 22, and coil windings 23 is located on wire casing insulating frame 22.
Described Hall element 8 is contained in Hall element support 81 to be responded to mutually with rotor rear end permanent magnetic steel 13 peripheries; Described Hall element support 81 is positioned on the square groove 211 of stator core 21 circumference, with screw, is installed in support 3 endosomes; Remaining square groove 211 is filled with thermosetting polyester when support 3 and stator core 21 integrated injection molding, can increase like this torsional strength of support 3.The shell of described support 3 also is provided with many radiator structure reinforcements 311, is used for the body heat radiation.
It is apparent to one skilled in the art that the utility model can be changed into various ways, and such change is not thought and broken away from scope of the present utility model.The apparent modification of the technical staff to described field that all are such, within being included in the scope of this claim.

Claims (6)

1. the industrial motor of a brushless direct-current, comprise support (3), be arranged on support (3) inner rotor (1) and stator (2), and the first end cap (4), clutch shaft bearing (5), the second end cap (6), the second bearing (7), Hall element (8) and fan housing (11); Described clutch shaft bearing (5) is installed in the first end cap (4), and the second bearing (7) is installed in the second end cap (6), and described the first end cap (4), the second end cap (6) and fan housing (11) be fastening being arranged on support (3) respectively;
It is characterized in that, described rotor (1) comprises main shaft, rotor core (12) and permanent magnetic steel (13), and described main shaft is positioned at the center of motor, the two ends of main shaft respectively with clutch shaft bearing (5) and the second bearing (7) pivot joint; Rotor core (12) is packed in the periphery of main shaft (11); The cylindrical of rotor core (12) is provided with the boss (123) of many circumferential registration permanent magnetic steels (13), the shape of described permanent magnetic steel (13) is annular, in permanent magnetic steel (13), ring sticks with glue agent and is packed in the cylindrical of rotor core (2), by boss (123) location of rotor core (12);
Described stator (2) comprises stator core (21), insulating frame (22) and coil windings (23); The cylindrical of described stator core (21) is packed in support (3); Stator core (21) is provided with a plurality of wire casings (213), and wire casing (213) inboard is provided with insulating frame (22), and coil windings (23) is wound on insulating frame (22);
Described support (3) is the support (3) of a thermosetting polyester injection mo(u)lding, described support (3) and stator core (21) integrated injection molding.
2. the industrial motor of brushless direct-current according to claim 1, is characterized in that, the cylindrical of described stator core (21) is provided with many square grooves (211);
Described Hall element (8) is contained in Hall element support (81) to be responded to mutually with the periphery of permanent magnetic steel (13); Described Hall element support (81) is positioned on a square groove (211) on stator core (21) cylindrical, with screw, is installed in support (3);
Remaining square groove (211) is filled with thermosetting polyester when support (3) and stator core (21) integrated injection molding.
3. the industrial motor of brushless direct-current according to claim 1, it is characterized in that, be provided with the first shaft part (111), clutch shaft bearing position (112), the 3rd shaft part (113), the second bearing position (114), the second shaft part (115) and draw-in groove (116) on described main shaft, clutch shaft bearing position (112) and clutch shaft bearing (5) pivot joint, the first shaft part (111) is positioned at the front end of clutch shaft bearing position (112), with shaft coupling, is connected; The second bearing position (114) and the second bearing (7) pivot joint, the second shaft part (115) is positioned at the rear end of the second bearing position (114), with fan blade (9), is connected; The rear end of draw-in groove (116) position the second shaft part (115), assemble with snap ring (10); The 3rd shaft part (113) is positioned between clutch shaft bearing position (112) and the second bearing position (114), with rotor core (12), is fixedly mounted with.
4. the industrial motor of brushless direct-current according to claim 1, it is characterized in that, described rotor core (12) is that the silicon steel sheet punching laminates moulding, the punching plane is provided with a plurality of snap closes (122), formed by the high velocity ram machine automatic overlapping and assembling, rotor core (12) center is provided with the endoporus (121) that is fixedly mounted with main shaft.
5. the industrial motor of brushless direct-current according to claim 1, is characterized in that, described stator core (21) is to laminate moulding by the silicon steel sheet punching, and the punching plane is provided with a plurality of snap closes (212), by the high velocity ram machine automatic overlapping and assembling, is formed.
6. the industrial motor of brushless direct-current according to claim 1, is characterized in that, described support (3) shell has many radiator structure reinforcements (311).
CN2013203542474U 2013-06-19 2013-06-19 Brushless DC industrial motor Active CN203301333U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2013203542474U CN203301333U (en) 2013-06-19 2013-06-19 Brushless DC industrial motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2013203542474U CN203301333U (en) 2013-06-19 2013-06-19 Brushless DC industrial motor

Publications (1)

Publication Number Publication Date
CN203301333U true CN203301333U (en) 2013-11-20

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Status (1)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103312107A (en) * 2013-06-19 2013-09-18 浙江三星机电股份有限公司 Brushless direct-current industrial motor
CN104795954A (en) * 2015-05-06 2015-07-22 长沙美福沛林电子科技有限公司 Steering engine and multi-pole-pair permanent magnetic direct-current brushless motor for same
CN104836409A (en) * 2015-05-27 2015-08-12 深圳市雅腾电机有限公司 Brushless DC motor for soybean milk machine
CN105370582A (en) * 2014-08-26 2016-03-02 杭州三花研究院有限公司 Electronic water pump

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103312107A (en) * 2013-06-19 2013-09-18 浙江三星机电股份有限公司 Brushless direct-current industrial motor
CN105370582A (en) * 2014-08-26 2016-03-02 杭州三花研究院有限公司 Electronic water pump
CN104795954A (en) * 2015-05-06 2015-07-22 长沙美福沛林电子科技有限公司 Steering engine and multi-pole-pair permanent magnetic direct-current brushless motor for same
CN104836409A (en) * 2015-05-27 2015-08-12 深圳市雅腾电机有限公司 Brushless DC motor for soybean milk machine

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