CN206727858U - A kind of extra small high-power density permanent magnetic external rotor motor device of volume - Google Patents

A kind of extra small high-power density permanent magnetic external rotor motor device of volume Download PDF

Info

Publication number
CN206727858U
CN206727858U CN201720355144.8U CN201720355144U CN206727858U CN 206727858 U CN206727858 U CN 206727858U CN 201720355144 U CN201720355144 U CN 201720355144U CN 206727858 U CN206727858 U CN 206727858U
Authority
CN
China
Prior art keywords
end cap
rear end
rotor rim
rotor
bearing bracket
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.)
Active
Application number
CN201720355144.8U
Other languages
Chinese (zh)
Inventor
梁泊山
卢友文
黄林森
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.)
Ningde Times Motor Technology Co Ltd
Contemporary Amperex Technology Co Ltd
Original Assignee
Ningde Times Motor Technology Co Ltd
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 Ningde Times Motor Technology Co Ltd filed Critical Ningde Times Motor Technology Co Ltd
Priority to CN201720355144.8U priority Critical patent/CN206727858U/en
Application granted granted Critical
Publication of CN206727858U publication Critical patent/CN206727858U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Motor Or Generator Cooling System (AREA)
  • Permanent Field Magnets Of Synchronous Machinery (AREA)

Abstract

The utility model discloses a kind of extra small high-power density permanent magnetic external rotor motor device of volume, including rotating shaft, the left and right sides of the rotating shaft is connected with drive end bearing bracket and rear end cap by fore bearing and rear bearing respectively;Band radiating ribs aluminium casing is provided between drive end bearing bracket and rear end cap;Rotor rim is connected with by circlip for shaft in the rotating shaft;Rotor rim be located at drive end bearing bracket, rear end cap, with radiating ribs aluminium casing three formed housing in;By some reinforcements are interval with the rotor rim, local blade structure is formed;Magnet steel is connected with by magnet steel skeleton in rotor rim;There is stator core the inner side of rear end cap by fastening screw connection;The rotor rim covers at stator core interior.The utility model is compact-sized, control is simple, manufacturing process is simple, cost is low, convenient installation, service life length;Reinforcement in rotor rim produces local blade structure, internal temperature heat is passed on band radiating ribs aluminium casing in time, good heat dissipation effect.

Description

A kind of extra small high-power density permanent magnetic external rotor motor device of volume
Technical field
It the utility model is related to energy device field, more particularly to a kind of extra small high-power density permanent magnetic outer rotor of volume Electric machine.
Background technology
Its radiator structure of current magneto is solved by the radiating ribs on housing, such design Volume is big, and radiating effect is bad, and power is small.
Utility model content
The purpose of this utility model is to overcome above-mentioned weak point of the prior art and provide a kind of simple in construction, reality The extra small high-power density permanent magnetic external rotor motor device of volume.
The utility model is realized in the following way:
A kind of extra small high-power density permanent magnetic external rotor motor device of volume, it is characterised in that:Including rotating shaft 1, described turn The left and right sides of axle 1 is connected with drive end bearing bracket 11 and rear end cap 14 by fore bearing 3 and rear bearing 9 respectively;The He of drive end bearing bracket 11 Rear end cap 14 is rotatable relative to rotating shaft 1;Band radiating ribs aluminium casing 13 is provided between the drive end bearing bracket 11 and rear end cap 14;It is described Rotor rim 5 is connected with by circlip for shaft 8 in rotating shaft 1;The rotor rim 5 is located at drive end bearing bracket 11, rear end cap 14, band In the housing that the three of radiating ribs aluminium casing 13 is formed;By some reinforcements are interval with the rotor rim 5, local wind is formed Impeller structure;Magnet steel 6 is connected with by magnet steel skeleton 7 in rotor rim 5;The inner side of the rear end cap 14 is connected by trip bolt 15 It is connected to stator core 16;The rotor rim 5 covers at stator core 16 interior.
Preferably, the rear end cap 14 is provided with radiating ribs 18.
The beneficial effects of the utility model are:Compact-sized, control is simply, manufacturing process is simple, cost is low, convenient peace Dress, service life length, transmission efficiency are good;Reinforcement in rotor rim produces local blade structure, by internal temperature heat and When pass to band radiating ribs aluminium casing on, good heat dissipation effect.
Brief description of the drawings
Fig. 1 the utility model structure diagrams.
Embodiment
In conjunction with accompanying drawing, the utility model embodiment is described in detail:
As shown in figure 1, a kind of extra small high-power density permanent magnetic external rotor motor device of volume, including rotating shaft 1, rotating shaft 1 The left and right sides is connected with drive end bearing bracket 11 and rear end cap 14 by fore bearing 3 and rear bearing 9 respectively;Drive end bearing bracket 11 and the phase of rear end cap 14 It is rotatable for rotating shaft 1;Band radiating ribs aluminium casing 13 is provided between drive end bearing bracket 11 and rear end cap 14;Pass through axle bullet in rotating shaft 1 Property back-up ring 8 is connected with rotor rim 5;Rotor rim 5 is located at drive end bearing bracket 11, rear end cap 14, the three's shape of band radiating ribs aluminium casing 13 Into housing in;By some reinforcements are interval with rotor rim 5, local blade structure is formed;Pass through magnetic in rotor rim 5 Steel skeleton 7 is connected with magnet steel 6;The inner side of rear end cap 14 is connected with stator core 16 by trip bolt 15;Rotor rim 5 will be fixed In sub- iron core 16 covers at.
The utility model rear end cap 14 is provided with radiating ribs 18, for radiating.
Reinforcement in the utility model rotor rim 5 produces local blade structure, and internal temperature heat is passed in time On band radiating ribs aluminium casing 13, good heat dissipation effect.
Embodiment of the present utility model is the foregoing is only, not thereby limits the scope of the claims of the present utility model, it is every The equivalent structure or equivalent flow conversion made using the utility model specification and accompanying drawing content, or be directly or indirectly used in Other related technical areas, similarly it is included in scope of patent protection of the present utility model.

Claims (2)

  1. A kind of 1. extra small high-power density permanent magnetic external rotor motor device of volume, it is characterised in that:Including rotating shaft (1), described turn The left and right sides of axle (1) is connected with drive end bearing bracket (11) and rear end cap (14) by fore bearing (3) and rear bearing (9) respectively;It is described Drive end bearing bracket (11) and rear end cap (14) are rotatable relative to rotating shaft (1);It is provided between the drive end bearing bracket (11) and rear end cap (14) Band radiating ribs aluminium casing (13);Rotor rim (5) is connected with by circlip for shaft (8) on the rotating shaft (1);The rotor Yoke (5) be located at drive end bearing bracket (11), rear end cap (14), with radiating ribs aluminium casing (13) three formed housing in;The rotor By some reinforcements are interval with yoke (5), local blade structure is formed;In rotor rim (5) by magnet steel skeleton (7) even It is connected to magnet steel (6);The inner side of the rear end cap (14) is connected with stator core (16) by trip bolt (15);The rotor magnetic Yoke (5) covers at stator core (16) interior.
  2. A kind of 2. extra small high-power density permanent magnetic external rotor motor device of volume according to claim 1, it is characterised in that: The rear end cap (14) is provided with radiating ribs (18).
CN201720355144.8U 2017-04-06 2017-04-06 A kind of extra small high-power density permanent magnetic external rotor motor device of volume Active CN206727858U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720355144.8U CN206727858U (en) 2017-04-06 2017-04-06 A kind of extra small high-power density permanent magnetic external rotor motor device of volume

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720355144.8U CN206727858U (en) 2017-04-06 2017-04-06 A kind of extra small high-power density permanent magnetic external rotor motor device of volume

Publications (1)

Publication Number Publication Date
CN206727858U true CN206727858U (en) 2017-12-08

Family

ID=60503366

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720355144.8U Active CN206727858U (en) 2017-04-06 2017-04-06 A kind of extra small high-power density permanent magnetic external rotor motor device of volume

Country Status (1)

Country Link
CN (1) CN206727858U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106803710A (en) * 2017-04-06 2017-06-06 宁德时代电机科技有限公司 A kind of extra small high-power density permanent magnetic external rotor motor device of volume

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106803710A (en) * 2017-04-06 2017-06-06 宁德时代电机科技有限公司 A kind of extra small high-power density permanent magnetic external rotor motor device of volume

Similar Documents

Publication Publication Date Title
CN206727827U (en) The permanent-magnetic outer rotor motor of fan blade built in a kind of high-power nodal wood type of small volume
CN207166304U (en) A kind of permagnetic synchronous motor
CN107231066A (en) A kind of high power density lightweight concentratred winding water-cooled outer rotor permagnetic synchronous motor
CN103312107A (en) Brushless direct-current industrial motor
CN106849503A (en) A kind of permanent-magnetic outer rotor motor of the built-in fan blade of the high-power nodal wood type of small volume
CN206727858U (en) A kind of extra small high-power density permanent magnetic external rotor motor device of volume
CN106803710A (en) A kind of extra small high-power density permanent magnetic external rotor motor device of volume
CN201601542U (en) Motor rotor with axial-flow fan blade of electric vehicle
CN203301333U (en) Brushless DC industrial motor
CN205583904U (en) Send out motor heat dissipation shell
CN107017735A (en) A kind of special interior cooling motor of screw air compressor
CN206727852U (en) A kind of high-power dual stator and rotor permanent magnet external rotor motor device of high power density
CN204408066U (en) For the compact(ing) machine of hybrid vehicle
CN204992998U (en) Self cooling PMSM of special power assisted steering of new energy automobile
CN109038949A (en) A kind of rotor cooling structure suitable for totally-enclosed interior permanent magnet machines
CN211089247U (en) Brushless external rotor motor
CN112688495B (en) Permanent magnet synchronous motor and controller integrated assembly for negative pressure fan
CN201536279U (en) Direct current motor
US20130328321A1 (en) Rare earth permanent magnetic coreless generator set
CN204741350U (en) Low magnetic leakage high reliability high power density axial magnetic field circle disk generator
CN202949295U (en) Vehicle alternating-current generator rotor assembly with combined fan
CN106972719A (en) A kind of high-power density permanent magnetic double external rotor air compressor motor device
CN106787539A (en) A kind of high-power dual stator and rotor permanent magnet external rotor motor device of high power density
CN203278547U (en) Motor wind road structure
CN103580421A (en) Permanent magnet synchronous motor with air-cooling heat-dissipating structure

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant