CN205265385U - Plastic envelope stator of external rotor electric machine and external rotor electric machine of using thereof - Google Patents

Plastic envelope stator of external rotor electric machine and external rotor electric machine of using thereof Download PDF

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Publication number
CN205265385U
CN205265385U CN201521101331.0U CN201521101331U CN205265385U CN 205265385 U CN205265385 U CN 205265385U CN 201521101331 U CN201521101331 U CN 201521101331U CN 205265385 U CN205265385 U CN 205265385U
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CN
China
Prior art keywords
plastic packaging
electric machine
plastic
stator
cavity
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Active
Application number
CN201521101331.0U
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Chinese (zh)
Inventor
曾崇生
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhongshan Broad Ocean Motor Co Ltd
Original Assignee
Zhongshan Broad Ocean Motor Co Ltd
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Application filed by Zhongshan Broad Ocean Motor Co Ltd filed Critical Zhongshan Broad Ocean Motor Co Ltd
Priority to CN201521101331.0U priority Critical patent/CN205265385U/en
Priority to PCT/CN2016/075897 priority patent/WO2017107315A1/en
Application granted granted Critical
Publication of CN205265385U publication Critical patent/CN205265385U/en
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K1/00Details of the magnetic circuit
    • H02K1/06Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/12Stationary parts of the magnetic circuit
    • H02K1/14Stator cores with salient poles
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K1/00Details of the magnetic circuit
    • H02K1/06Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/12Stationary parts of the magnetic circuit
    • H02K1/18Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K11/00Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/20Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Motor Or Generator Frames (AREA)

Abstract

The utility model discloses a plastic envelope stator of external rotor electric machine, the single -phase asynchronous motor comprises a stator core, the tip is insulating, coil winding and plastic -sealed body, the tip insulation is installed on stator core's terminal surface, the coil winding is on locating the tip insulation, install a plurality of binding post on the tip is insulating, binding post links together with the coil winding electricity, the plastic -sealed body is stator core, the tip is insulating to be joined integratively become with the coil winding, in stator core one end, be provided with the plastic envelope end plate on the plastic -sealed body, the cavity has been offered on the top surface of plastic envelope end plate, install the hall circuit board inside the cavity, binding post stretches into the cavity the inside from the plastic -sealed body and links together with hall circuit board electricity, lead -out wire on the hall circuit board is from the cavity toward stretching out outward, a structure is simple, easy installation.

Description

A kind of plastic packaging stator of external rotor electric machine and the external rotor electric machine of application thereof
Technical field:
The utility model relates to a kind of plastic packaging stator of external rotor electric machine and the external rotor electric machine of application thereof, belongs toTechnical field of motors.
Background technology:
In the existing plastic packaging stator that is applied to external rotor electric machine, Hall circuit board is to be all generally first arranged on endIn insulation, then adopt Shooting Technique that Hall circuit board and stator core, overhang insulation and coil windings are connectedStrike up partnership, but its assembly technology comparatively bothers, has relatively high expectations, in injection moulding process easily to fixedThe fixing Hall circuit board in position impacts, and cause the skew of position, or the injected plastics material of high temperature is easyHall element is caused damage, and this all will affect the accuracy of detection of Hall element, and then affects the normal of motorOperation.
Summary of the invention:
First object of the present utility model is to provide a kind of plastic packaging stator of external rotor electric machine, it is simple in structure,Easy for installation;
Second object of the present utility model is to provide a kind of external rotor electric machine, and it is simple in structure, reliable.
The purpose of this utility model is achieved by following technical proposals.
A plastic packaging stator for external rotor electric machine, comprises stator core, overhang insulation, coil windings and plastic packagingBody, overhang insulation is arranged on the end face of stator core, and coil windings is set around on overhang insulation, in endSome binding posts are installed in insulation, and binding post and coil windings are electrically connected, and plastic-sealed body is fixedSub-iron core, overhang insulation and coil windings connect to one, on stator core one end, plastic-sealed body, are provided withPlastic packaging end plate offers cavity on the end face of plastic packaging end plate, in cavity the inside, Hall circuit board is installed,Binding post extend into cavity the inside from plastic-sealed body and is electrically connected with Hall circuit board, on Hall circuit boardLead-out wire stretch out outward from cavity.
Above-mentionedly be provided with first order step at cavity inner wall, binding post stretches out from first order step, described inHall circuit board is bearing on described first order step and with described binding post and is electrically connected.
The above-mentioned opening part at cavity top is provided with second level step, on the step of the described second level, is provided withGland, gland seals the opening at cavity top.
The above-mentioned diapire at cavity is provided with some grooves, and the Hall element that is arranged on Hall circuit board bottom is stretchedEnter to groove the inside, glue sealing board is installed on overhang insulation, described binding post passes in the middle of glue sealing board.
Above-mentionedly between second level step and gland, be provided with 2 wire bushings, 2 wire bushings lay respectively at glandA side, the lead-out wire on Hall circuit board comprises power outlet and Hall lead-out wire, power outlet fromAfter wherein passing in the middle of 1 wire bushing, stretch out outward, Hall lead-out wire passes in the middle of another 1 wire bushingStretch out outward.
Above-mentioned plastic packaging stator also comprises receiver, and receiver is sleeved on the axis hole the inside in the middle of stator core, fromIn the top outer rim of receiver, stretch out outward some legs, in the outer rim of leg, be provided with installing hole, plastic packagingEnd plate is wrapped in leg outside and the installing hole in leg outer rim is exposed from the end face of plastic packaging end plate.
The quantity of above-mentioned leg is 4, wherein on the centre position of 2 adjacent legs, is provided with screwHole, screw hole exposes from the end face of plastic packaging end plate, screw through gland and be screwed into screw hole the inside fromAnd gland is arranged on the end face of plastic packaging end plate.
A kind of external rotor electric machine, comprises rotating shaft, plastic packaging stator and outer rotor, and outer rotor is sheathed on plastic packaging statorOutside, rotating shaft is arranged in the middle of plastic packaging stator and links together with outer rotor, on described plastic packaging stator isState described plastic packaging stator.
Above-mentioned outer rotor comprises casing sleeve and some permanent magnets, the circumferentially spaced machine that is arranged on of some permanent magnetsIn the interior sidewall surface of valve jacket cylinder, between 2 adjacent permanent magnets, separate by shell fragment.
The above-mentioned top at plastic packaging stator is provided with electric machine controller.
The utility model compared with prior art, has following effect:
1) on the end face of plastic packaging end plate, offer cavity, in cavity the inside, Hall circuit board, wiring are installedTerminal extend into cavity the inside from plastic-sealed body and is electrically connected with Hall circuit board, drawing on Hall circuit boardOutlet is stretched out outward from cavity, Hall circuit board easy for installation, firm, its assembly technology is comparatively simple,Require lowlyer, and power outlet and Hall lead-out wire on Hall circuit board can be unified from cavity toward overhangingGo out, be beneficial to the connection of lead-out wire, thereby can improve the reliability of efficiency of assembling and connection;
2) be provided with first order step at cavity inner wall, binding post stretches out from first order step, suddenly describedYour wiring board is bearing on described first order step and with described binding post and is electrically connected, simple in structure,Facilitate being electrically connected between location, installation and binding post and Hall circuit board;
3) be provided with second level step at the opening part at cavity top, on the step of the described second level, pressure be installedLid, gland, the sealing of the opening at cavity top, can ensure the sealing of Hall circuit board installation environment thus,Ensure Hall accuracy of detection and extend the Hall object in service life thereby can reach;
4) glue sealing board is installed on overhang insulation, described binding post passes in the middle of glue sealing board, structure letterSingle, facilitate location, the installation of binding post, ensure the installation accuracy of binding post, so that binding post canForm and be electrically connected better with Hall circuit board;
5) thus screw through gland and be screwed into screw hole the inside gland is arranged on the top of plastic packaging end plateOn face, the installation of gland is simple, convenient;
6), in described external rotor electric machine, the installation of Hall circuit board is simple, convenient, and precision is high, is difficult forBe damaged, can ensure thus the accuracy of detection of Hall element, thereby reach the order that ensures motor safety operation.
Brief description of the drawings:
Fig. 1 is the stereogram of plastic packaging stator in embodiment;
Fig. 2 is the top view of plastic packaging stator in embodiment;
Fig. 3 is A-A line cutaway view in Fig. 2;
Fig. 4 is the explosive view of plastic packaging stator in embodiment;
Fig. 5 is the partial exploded view of plastic packaging stator in embodiment;
Fig. 6 is the plastic packaging stator stereogram that plastic-sealed body is not installed in embodiment;
Fig. 7 is the plastic packaging stator explosive view that plastic-sealed body is not installed in embodiment;
Fig. 8 is the stereogram of external rotor electric machine in embodiment;
Fig. 9 is the outer rotor motor structure cutaway view that there is no mounted motor controller in embodiment;
Figure 10 is the stereogram of outer rotor in embodiment.
Detailed description of the invention:
Also by reference to the accompanying drawings the utility model is described in further detail below by specific embodiment.
Embodiment mono-: as shown in Figures 1 to 7, the present embodiment is a kind of plastic packaging stator of external rotor electric machine,Comprise stator core 11, overhang insulation 12, coil windings 13 and plastic-sealed body 14, overhang insulation 12 is arranged onOn the end face of stator core 11, preferred, described overhang insulation 12 is that injection moulding is wrapped in outside stator core 11Face, coil windings is located on overhang insulation 12 around 13, and some terminals are installed on overhang insulation 12Son 2, binding post 2 is electrically connected with coil windings 13, and plastic-sealed body 14 is stator core 11, endPortion's insulation 12 and coil windings 13 connect to one, on stator core 11 one end, plastic-sealed body 14, arrangeThere is plastic packaging end plate 15, on the end face of plastic packaging end plate 15, offer cavity 16, be provided with in cavity 16 the insidesHall circuit board 3, binding post 2 extend into cavity 16 the insides and Hall circuit board 3 is electrically connected from plastic-sealed body 14Be connected together, the lead-out wire on Hall circuit board 3 stretches out outward from cavity 16. In cavity 16 inwall settingsHave first order step 161, binding post 2 stretches out from first order step 161,3 of described Hall circuit boardsHold on described first order step 161 and with described binding post 2 and be electrically connected. At cavity 16 topsOpening part be provided with second level step 162, on described second level step 162, gland 4 is installed, glandThe opening sealing at 4 cavity 16 tops. Be provided with some grooves 163 at the diapire of cavity 16, be arranged on suddenlyYou extend into groove 163 the insides by the Hall element 31 of wiring board 3 bottoms, on overhang insulation 12, are provided withGlue sealing board 5, described binding post 2 passes in the middle of glue sealing board 5. Second level step 162 and gland 4 itBetween be provided with 6,2 wire bushings 6 of 2 wire bushings and lay respectively at a side of gland 4, on Hall circuit board 3Lead-out wire comprise power outlet 32 and Hall lead-out wire 33, power outlet 32 from wherein 1 protect lineAfter passing in the middle of cover 6, stretch out outward, Hall lead-out wire 33 is past overhanging passing in the middle of another 1 wire bushing 6Go out. Described plastic packaging stator also comprises receiver 17, and receiver 17 is sleeved on the axis hole in the middle of stator core 11Some legs 171 are stretched out outward, in the outer rim of leg 171 in the inside the top outer rim of receiver 17Be provided with installing hole 1711, plastic packaging end plate 15 is wrapped in leg 171 outsides and makes in leg 171 outer rimsInstalling hole 1711 exposes from the end face of plastic packaging end plate 15. The quantity of described leg 171 is 4, wherein 2On the centre position of individual adjacent leg 171, be provided with screw hole 1712, screw hole 1712 is from plastic packaging end plateOn 15 end face, expose, thereby screw 7 passes gland 4 and is screwed into screw hole 1712 the insides gland 4Be arranged on the end face of plastic packaging end plate 15.
Embodiment bis-: as shown in Fig. 8 to Figure 10, the present embodiment is a kind of external rotor electric machine, comprise rotating shaft 8,Plastic packaging stator and outer rotor 9, outer rotor 9 is sheathed on plastic packaging stator outside, and rotating shaft 8 is arranged in plastic packaging statorBetween and link together with outer rotor 9, described plastic packaging stator is the plastic packaging stator described in embodiment mono-,Do not repeat them here.
Described outer rotor 9 comprises casing sleeve 91 and some permanent magnets 92, the circumferential interval of some permanent magnets 92The interior sidewall surface that is arranged on casing sleeve 91 on, between 2 adjacent permanent magnets 92 by separator everyOpen, described separator is shell fragment 93 or plastic stent, in the present embodiment, preferred, adopts shell fragment 93As separator, 2 adjacent permanent magnets 92 are separated. Top at plastic packaging stator is provided with electric machine controller10。
Above embodiment is preferred embodiments of the present invention, but embodiments of the present invention are not limited to this, itsHe is any does not deviate from change, the modification done under Spirit Essence of the present invention and principle, substitute, combination, letterChange, be equivalent substitute mode, within being included in protection scope of the present invention.

Claims (10)

1. the plastic packaging stator of an external rotor electric machine, comprise stator core (11), overhang insulation (12), coil windings (13) and plastic-sealed body (14), overhang insulation (12) is arranged on the end face of stator core (11), coil windings is located on overhang insulation (12) around (13), some binding posts (2) are installed on overhang insulation (12), binding post (2) is electrically connected with coil windings (13), plastic-sealed body (14) is stator core (11), overhang insulation (12) and coil windings (13) connect to one, in stator core (11) one end, on plastic-sealed body (14), be provided with plastic packaging end plate (15), it is characterized in that: on the end face of plastic packaging end plate (15), offer cavity (16), in cavity (16) the inside, Hall circuit board (3) is installed, binding post (2) extend into cavity (16) the inside from plastic-sealed body (14) and is electrically connected with Hall circuit board (3), lead-out wire on Hall circuit board (3) stretches out outward from cavity (16).
2. the plastic packaging stator of a kind of external rotor electric machine according to claim 1, it is characterized in that: be provided with first order step (161) at cavity (16) inwall, binding post (2) stretches out from first order step (161), and described Hall circuit board (3) is bearing in described first order step (161) above and is electrically connected with described binding post (2).
3. the plastic packaging stator of a kind of external rotor electric machine according to claim 2, it is characterized in that: the opening part at cavity (16) top is provided with second level step (162), gland (4) is installed on described second level step (162), and gland (4) seals the opening at cavity (16) top.
4. according to the plastic packaging stator of a kind of external rotor electric machine described in claim 1 or 2 or 3, it is characterized in that: be provided with some grooves (163) at the diapire of cavity (16), the Hall element (31) that is arranged on Hall circuit board (3) bottom extend into groove (163) the inside, glue sealing board (5) is installed on overhang insulation (12), and described binding post (2) passes in the middle of glue sealing board (5).
5. the plastic packaging stator of a kind of external rotor electric machine according to claim 3, it is characterized in that: between second level step (162) and gland (4), be provided with 2 wire bushings (6), 2 wire bushings (6) lay respectively at a side of gland (4), lead-out wire on Hall circuit board (3) comprises power outlet (32) and Hall lead-out wire (33), power outlet (32) stretches out passing in the middle of 1 wire bushing (6) wherein outward, Hall lead-out wire (33) stretches out passing in the middle of another 1 wire bushing (6) outward.
6. according to the plastic packaging stator of a kind of external rotor electric machine described in claim 3 or 5, it is characterized in that: described plastic packaging stator also comprises receiver (17), receiver (17) is sleeved on the axis hole the inside in the middle of stator core (11), the top outer rim of receiver (17), stretch out outward some legs (171), in the outer rim of leg (171), be provided with installing hole (1711), plastic packaging end plate (15) is wrapped in leg (171) outside and the installing hole (1711) in leg (171) outer rim is exposed from the end face of plastic packaging end plate (15).
7. the plastic packaging stator of a kind of external rotor electric machine according to claim 6, it is characterized in that: also include screw (7), the quantity of described leg (171) is 4, wherein on the centre position of 2 adjacent legs (171), be provided with screw hole (1712), screw hole (1712) exposes from the end face of plastic packaging end plate (15), screw (7) through gland (4) and be screwed into screw hole (1712) thus the inside gland (4) is arranged on the end face of plastic packaging end plate (15).
8. an external rotor electric machine, comprise rotating shaft (8), plastic packaging stator and outer rotor (9), outer rotor (9) is sheathed on plastic packaging stator outside, rotating shaft (8) is arranged in the middle of plastic packaging stator and links together with outer rotor (9), it is characterized in that: described plastic packaging stator is the described plastic packaging stator of claim 1 to 7 any one.
9. a kind of external rotor electric machine according to claim 8, it is characterized in that: described outer rotor (9) comprises casing sleeve (91) and some permanent magnets (92), in the circumferentially spaced interior sidewall surface that is arranged on casing sleeve (91) of some permanent magnets (92), between adjacent 2 permanent magnets (92), separate by separator.
10. a kind of external rotor electric machine according to claim 9, is characterized in that: described separator is shell fragment (93) or plastic stent, and electric machine controller (10) is installed at the top of plastic packaging stator.
CN201521101331.0U 2015-12-23 2015-12-23 Plastic envelope stator of external rotor electric machine and external rotor electric machine of using thereof Active CN205265385U (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201521101331.0U CN205265385U (en) 2015-12-23 2015-12-23 Plastic envelope stator of external rotor electric machine and external rotor electric machine of using thereof
PCT/CN2016/075897 WO2017107315A1 (en) 2015-12-23 2016-03-08 Plastic package stator of external rotor motor and external rotor motor having same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201521101331.0U CN205265385U (en) 2015-12-23 2015-12-23 Plastic envelope stator of external rotor electric machine and external rotor electric machine of using thereof

Publications (1)

Publication Number Publication Date
CN205265385U true CN205265385U (en) 2016-05-25

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WO (1) WO2017107315A1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
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CN109565232A (en) * 2016-08-05 2019-04-02 日本电产株式会社 Motor
WO2020015360A1 (en) * 2018-07-14 2020-01-23 中山大洋电机股份有限公司 Dc brushless outer rotor motor
EP3496248B1 (en) * 2016-08-05 2022-02-09 Nidec Corporation Motor
WO2022110360A1 (en) * 2020-11-27 2022-06-02 瑞声声学科技(深圳)有限公司 Brushless electric motor

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CN108718148A (en) * 2018-08-20 2018-10-30 宁波菲仕电机技术有限公司 Linear electric motor primary modular construction and its plastic package method
CN110011463B (en) * 2019-05-16 2024-04-02 深圳南方德尔汽车电子有限公司 Wire passing structure of fuel pump motor
US11757330B2 (en) 2019-12-19 2023-09-12 Black & Decker, Inc. Canned outer-rotor brushless motor for a power tool
US11437900B2 (en) 2019-12-19 2022-09-06 Black & Decker Inc. Modular outer-rotor brushless motor for a power tool
CN111064301A (en) * 2020-01-07 2020-04-24 常州祥明智能动力股份有限公司 External rotor motor

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JP4434885B2 (en) * 2004-08-31 2010-03-17 株式会社東芝 motor
CN103855847B (en) * 2012-11-30 2016-09-07 中山大洋电机股份有限公司 A kind of motor down-lead geometrical clamp assembly and the motor of application thereof
CN204615524U (en) * 2015-04-28 2015-09-02 中山大洋电机制造有限公司 A kind of plastic packaging stator of external rotor electric machine and the external rotor electric machine of application thereof
CN104836358B (en) * 2015-05-22 2018-03-30 广东威灵电机制造有限公司 Stator winding end Insulating frame, plastic packaging stator assembly and plastic packaging motor
CN204733056U (en) * 2015-06-15 2015-10-28 中山大洋电机股份有限公司 The blower fan of a kind of DC brushless outer rotor motor and application thereof

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109565232A (en) * 2016-08-05 2019-04-02 日本电产株式会社 Motor
CN109565232B (en) * 2016-08-05 2021-02-05 日本电产株式会社 Motor
US11063496B2 (en) 2016-08-05 2021-07-13 Nidec Corporation Vertical motor with resin bracket and cover having circuit board with wireless communication unit
EP3496248B1 (en) * 2016-08-05 2022-02-09 Nidec Corporation Motor
WO2020015360A1 (en) * 2018-07-14 2020-01-23 中山大洋电机股份有限公司 Dc brushless outer rotor motor
US11404940B2 (en) * 2018-07-14 2022-08-02 Zhongshan Broad-Ocean Motor Co., Ltd. Brushless direct current motor
WO2022110360A1 (en) * 2020-11-27 2022-06-02 瑞声声学科技(深圳)有限公司 Brushless electric motor

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