CN204013146U - High heat radiation asynchronous machine - Google Patents

High heat radiation asynchronous machine Download PDF

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Publication number
CN204013146U
CN204013146U CN201420333568.0U CN201420333568U CN204013146U CN 204013146 U CN204013146 U CN 204013146U CN 201420333568 U CN201420333568 U CN 201420333568U CN 204013146 U CN204013146 U CN 204013146U
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CN
China
Prior art keywords
rotating cylinder
rotor
described rotating
asynchronous machine
heat radiation
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Withdrawn - After Issue
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CN201420333568.0U
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Chinese (zh)
Inventor
朱虹斐
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朱虹斐
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Priority to CN201420333568.0U priority Critical patent/CN204013146U/en
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Abstract

The utility model provides a kind of high heat radiation asynchronous machine, comprises housing, threephase stator winding, rotor; Described threephase stator winding is electrically connected at the electrical module of described outside; Between described threephase stator winding and rotor, be also provided with a rotating cylinder, described drum surface is equidistantly shaped with the bonding jumper that is parallel to rotor shaft for a week; The two ends of all described bonding jumpers are electrically connected at the two ends of described rotating cylinder; The axis of described rotating cylinder overlap with shaft axis described rotor, and described rotating cylinder can rotate freely around described rotating shaft; At least one end of described rotating cylinder is fixed with fan.This asynchronous machine can be in heavy load even under hard service, for motor internal provides good radiating effect.

Description

High heat radiation asynchronous machine
Technical field
The utility model relates to electromechanical equipment field, especially, relates to a kind of asynchronous machine.
Background technology
Asynchronous machine is a kind of very universal motor, and critical piece comprises housing, stator winding, rotor, fan; Wherein, in stator winding, pass into three-phase alternating current, thereby produce the rotating magnetic field of surrounding rotor rotating shaft continuous rotation; Described rotor is subject to the traction of this rotating magnetic field, is turned, externally output torque by continuous band.
For to motor internal heat radiation, the fan basic element of character that is absolutely necessary; For current all motors, fan is all fixed on rotor shaft, and in the time of rotor fast rotational, fan is fast rotational also, thereby plays the effect to motor internal heat radiation.But an actual problem is that, in the time of motor fast rotational, because most electric energy all transform for kinetic energy, therefore, motor internal only exists less heat, only also substantially can dissipate by natural heat dissipation; And larger at motor load, when rotating shaft rotating speed is slower, electric efficiency is lower, and a large amount of electric energy all transforms for heat energy, and now motor internal generates heat seriously on the contrary, and now the rotating speed of fan is very low, and radiating effect is poor; More seriously, in the time that motor overload moves, may occur that motor is stuck, now rotor speed is zero, and the large electric current of motor internal is completely for heating, and rotation speed of the fan is also zero, and now motor extremely easily burns.
Utility model content
For the problems referred to above, the purpose of this utility model is to provide a kind of high heat radiation asynchronous machine, and this asynchronous machine can be in heavy load even under hard service, for motor internal provides good radiating effect.
The utility model solves the technical scheme that its technical problem adopts: this height heat radiation asynchronous machine comprises housing, threephase stator winding, rotor; Described threephase stator winding is electrically connected at the electrical module of described outside; Between described threephase stator winding and rotor, be also provided with a rotating cylinder, described drum surface is equidistantly shaped with the bonding jumper that is parallel to rotor shaft for a week; The two ends of all described bonding jumpers are electrically connected at the two ends of described rotating cylinder; The axis of described rotating cylinder overlap with shaft axis described rotor, and described rotating cylinder can rotate freely around described rotating shaft; At least one end of described rotating cylinder is fixed with fan.
As preferably, described rotating cylinder comprises a thin-walled plastic cylinder, by being coated with metal film at this thin-walled plastic drum surface, by etching mode, the metal etch between each adjacent described bonding jumper is gone again, the isolation thereby formation main part is parallel to each other, and the interconnective each described bonding jumper in two ends.
As preferably, match with the rotating shaft of described rotor by rolling bearing or sliding bearing in the end of described rotating cylinder.
As preferably, described fan has even number sheet flabellum, in fan rotary course, and the wherein air draft opposite direction of the flabellum of the air draft direction of the flabellum of continuous half quantity and continuous second half quantity.Further, one of the each configuration at the two ends of described rotating cylinder of described fan, and two fans each other just right flabellum there is consistent air draft direction.
The beneficial effects of the utility model are: this height heat radiation asynchronous machine is in the time of operation, regardless of the rotating speed of rotor, the rotating magnetic field being produced by threephase stator winding is cut the bonding jumper of described drum surface all the time continuously, thereby traction rotating cylinder continuous rotation, and drive described fan continuous rotation, all the time motor internal is formed to good radiating effect; Further, also has following effect: in the time that rotor speed is very fast, because the energy of described rotating magnetic field is more exported by rotor, therefore, described rotating cylinder rotating speed is slower; Otherwise when rotor speed is slower, rotating cylinder obtains larger kinetic energy, rotating cylinder rotating speed is very fast; This just adapts to rotor speed when very fast, and motor internal only needs slight heat radiation, and rotor speed is when slower, and motor internal needs the feature of high efficiency and heat radiation.
Brief description of the drawings
Fig. 1 is that the side of an embodiment of this height heat radiation asynchronous machine is cutd open schematic diagram.
Fig. 2 is the cross sectional representation of Fig. 1 embodiment.
Fig. 3 is an embodiment schematic diagram of rotating cylinder in this height heat radiation asynchronous machine.
Fig. 4 is an embodiment schematic diagram of this height heat radiation asynchronous machine fan.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further illustrated:
Fig. 1, embodiment illustrated in fig. 2 in, this height heat radiation asynchronous machine comprises housing 1, threephase stator winding 2, rotor 3; Described threephase stator winding 2 is electrically connected at the electrical module 4 of described housing 1 outside; Between described threephase stator winding 2 and rotor 3, be also provided with a rotating cylinder 5, the dead in line axis of described rotating cylinder 5 and rotating shaft 31 described rotor 3, can match with the rotating shaft 31 of described rotor 3 by rolling bearing or sliding bearing in the end of rotating cylinder 5, rotating cylinder 5 can be rotated freely around described rotating shaft 31.
As shown in Figure 3, its surface is equidistantly shaped with the bonding jumper 51 that is parallel to rotor shaft for a week to an embodiment of described rotating cylinder 5; The two ends of all described bonding jumpers 51 are electrically connected at the two ends of described rotating cylinder 5.Particularly, in the time making described rotating cylinder 5, adopt a thin-walled plastic cylinder as matrix 50, be first coated with metal film on these matrix 50 surfaces, then the metal film etching between each adjacent metal bar 51 of by etching mode, wish being made is gone, thereby forms described bonding jumper 51; The isolation that is parallel to each other of the main part of each described bonding jumper 51, and two ends are connected in the two circle beckets 52 at matrix 50 two ends jointly.
The rotating cylinder 5 of said structure is made simple, and volume is little, and light, makes the suffered impact of the prototype structure size of motor internal less.
In embodiment shown in Fig. 1, a fan 6 is fixed respectively at the two ends of described rotating cylinder 5; And offer louvre 10 on described housing 1 end face corresponding with the fan 6 of motor tail end.
For described fan 6, in the present embodiment as shown in Figure 4, there is even number sheet flabellum 61,62,63,64, each flabellum outer end is connected to outer clamping ring 65, and the inner is connected to interior clamping ring 66; The aperture of described interior clamping ring 66 should be greater than the rotating shaft 31 of described rotor 3.In fan rotary course, the wherein air draft opposite direction of the flabellum of the air draft direction of the flabellum of continuous half quantity and continuous second half quantity.In Fig. 4, i.e. the air draft opposite direction of the air draft direction of flabellum 61,62 and flabellum 63,64; The advantage of this generation is: in the process of fan 6 continuous rotations, the flabellum of half quantity carries out air blast to motor internal, and the flabellum of second half quantity carries out exhausting to motor internal; This will make motor internal produce an obvious airflow circulating, as shown in dotted arrow in Fig. 1, thereby significantly improve the radiating effect of motor internal.In fact,, for conventional fan, all flabellums have consistent air draft direction, when operation, from motor end, motor internal is dried or exhausting with sudden force, and the other end of motor is shutoff, therefore, because motor internal cannot form circulation gas circuit, the result causing is, even if the power of fan is very large, also cannot play good radiating effect, be blown into motor internal because wind is extremely difficult from outside, also extremely difficult from motor internal pressure extraction.
It is pointed out that for the architecture advances to described fan 6 in the present embodiment, be not only applicable to the height heat radiation asynchronous machine relating to described in the utility model, even if for all common motors, can be suitable for.
Above-mentioned high heat radiation asynchronous machine is in the time of operation, and regardless of the rotating speed of rotor 3, the rotating magnetic field being produced by threephase stator winding 2 is cut the bonding jumper on described rotating cylinder 5 surfaces all the time continuously, thus traction rotating cylinder 5 continuous rotations; In fact rotating cylinder 5, has now been equivalent to the rotating cage of a new cage motor; Rotating cylinder 5, in rotation process, drives described fan 6 continuous rotations, all the time motor internal is formed to good radiating effect; Further, also has following effect: when rotor 3 rotating speeds are when very fast, because the energy of described rotating magnetic field is more exported by rotor 3, therefore, described rotating cylinder 5 rotating speeds are slower; Otherwise rotor 3 rotating speeds are when slower, rotating cylinder 5 obtains larger kinetic energy, and rotating cylinder 5 rotating speeds are very fast; This just adapts to rotor 3 rotating speeds when very fast, and motor internal only needs slight heat radiation, and rotor 3 rotating speeds are when slower, and motor internal needs the feature of high efficiency and heat radiation.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection range of the present utility model.

Claims (4)

1. a high heat radiation asynchronous machine, comprises housing (1), threephase stator winding (2), rotor (3); Described threephase stator winding (2) is electrically connected at the electrical module (4) of described outside; Between described threephase stator winding (2) and rotor (3), be also provided with a rotating cylinder (5), described rotating cylinder (5) surface is equidistantly shaped with the bonding jumper (51) that is parallel to rotor shaft (31) for a week; The two ends of all described bonding jumpers (51) are electrically connected at the two ends of described rotating cylinder; The axis of described rotating cylinder (5) overlaps with the shaft axis of described rotor (3), and described rotating cylinder (5) can rotate freely around described rotating shaft (31); At least one end of described rotating cylinder (5) is fixed with fan (6).
2. high heat radiation asynchronous machine according to claim 1, is characterized in that: match with the rotating shaft (31) of described rotor by rolling bearing or sliding bearing in the end of described rotating cylinder (5).
3. high heat radiation asynchronous machine according to claim 1, it is characterized in that: described fan (6) has even number sheet flabellum, in fan rotary course, the wherein air draft opposite direction of the flabellum of the air draft direction of the flabellum of continuous half quantity and continuous second half quantity.
4. high heat radiation asynchronous machine according to claim 1, is characterized in that: described fan (6) is one of the each configuration in the two ends of described rotating cylinder, and two fans each other just right flabellum there is consistent air draft direction.
CN201420333568.0U 2014-06-23 2014-06-23 High heat radiation asynchronous machine Withdrawn - After Issue CN204013146U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420333568.0U CN204013146U (en) 2014-06-23 2014-06-23 High heat radiation asynchronous machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420333568.0U CN204013146U (en) 2014-06-23 2014-06-23 High heat radiation asynchronous machine

Publications (1)

Publication Number Publication Date
CN204013146U true CN204013146U (en) 2014-12-10

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420333568.0U Withdrawn - After Issue CN204013146U (en) 2014-06-23 2014-06-23 High heat radiation asynchronous machine

Country Status (1)

Country Link
CN (1) CN204013146U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104052220A (en) * 2014-06-23 2014-09-17 朱虹斐 Asynchronous motor high in heat dissipation performance

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104052220A (en) * 2014-06-23 2014-09-17 朱虹斐 Asynchronous motor high in heat dissipation performance
CN104052220B (en) * 2014-06-23 2016-05-25 国网山东省电力公司阳谷县供电公司 High heat radiation asynchronous machine

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C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20141210

Effective date of abandoning: 20160525

C25 Abandonment of patent right or utility model to avoid double patenting