CN209134230U - The built-in heat dissipation water route of stator slot and the concatenated permanent-magnetic outer rotor motor of main waterway - Google Patents

Abstract

The utility model discloses water route and the concatenated permanent-magnetic outer rotor motors of main waterway of radiating built in a kind of stator slot, including motor housing, the stator that is connected in the motor housing inner wall, the drive end bearing bracket being connected on the left of the motor housing, the cooler rear end cap being connected on the right side of the motor housing, the shaft for being laterally installed in the rotor of bore of stator, being horizontally through in the middle part of rotor sidewall, and install in front end cover cavity and be connected to the cold wind cooling mechanism of shaft outer surface.The utility model the rotation generation of blade and shaft synchronous high-speed can continue cold wind in the same direction in motor operation, and pass through the principle of cold airflow and thermal current circulation replacement, by the high temperature hot gas dissipation inside when motor operation outside motor, to play the purpose of radiating and cooling to motor, reduce motor high temperature erosion wear caused by motor housing when long-time uses, extends the service life of motor housing.

Description

The built-in heat dissipation water route of stator slot and the concatenated permanent-magnetic outer rotor motor of main waterway

Technical field

The utility model relates to permanent-magnetic outer rotor motor field, the built-in heat dissipation water route of specially a kind of stator slot and main waterway Concatenated permanent-magnetic outer rotor motor.

Background technique

External rotor electric machine, which has, saves space, feature compact to design and beautiful；It is adapted for mount in impeller, has best Cooling effect；Without V-type band, additional tension band or other equipment；With the continuous development of science and technology, occur in the market not Congener external rotor electric machine, permanent-magnetic outer rotor motor are exactly one such.

But permanent-magnetic outer rotor motor at present on the market, whole heat dissipation effect is poor, in motor long-play, The inside of motor housing can gather a large amount of hot gas, cause the surface temperature of motor housing very high, and motor housing is for a long time by height The lasting erosion for warming gas, affects the service life of motor housing, causes permanent-magnetic outer rotor motor that can not be used for a long time.

Utility model content

The purpose of this utility model is to provide turn outside radiate built in a kind of stator slot water route and the concatenated permanent magnetism of main waterway Sub-motor, in motor long-play motor housing poor to solve whole heat dissipation effect mentioned above in the background art Inside can gather a large amount of hot gas, make motor housing lasting erosion by high temperature hot gas for a long time, motor housing service life It is short, the problem of permanent-magnetic outer rotor motor cannot be used for a long time.

To achieve the above object, the utility model provides the following technical solutions:

The built-in heat dissipation water route of stator slot and the concatenated permanent-magnetic outer rotor motor of main waterway, including motor housing, it is connected in this The stator of motor housing inner wall, the drive end bearing bracket being connected on the left of the motor housing, the cooler being connected on the right side of the motor housing Rear end cap is laterally installed in the rotor of bore of stator, the shaft being horizontally through in the middle part of rotor sidewall and installs in drive end bearing bracket Chamber and the cold wind cooling mechanism for being connected to shaft outer surface；Extend the left side central portion of drive end bearing bracket, shaft in the left end of the shaft The outer surface position that is in contact with front end cap body be socketed with first bearing；The right end of shaft extends the right side of cooler rear end cap Middle side part, the outer surface of the shaft position that is in contact with cooler rear end cap body are socketed with second bearing；The cold wind heat dissipation machine Structure is by installing in front end cover cavity and being socketed in that shaft outer surface is rectangular to determine block, annular spread and be vertically fixed on and determine block Four groups of rectangular blades of side wall are fixed on the connecting tube determined block right side wall and be fixedly attached to shaft outer surface, are located at Connecting tube outer tube wall and before being fixed on integrated screw by connecting tube and shaft and be sheathed on connecting tube outer tube wall and be tightly attached to The rectangular Air Filter of end cap inner wall is constituted.

Preferably, the bottom end of blade is fixed with rectangular connecting plate, and the plate body bottom end of the connecting plate is tight by screw The block middle part for fastening at the top for determining block, and determining block, which is offered, is horizontally through perforation in rounded shape for shaft.

Preferably, the outer tube wall perforation of connecting tube offers the through-hole passed perpendicularly through for screw, and the right side wall of connecting tube leans on It is bordering on the left side of rotor.

Preferably, the top surface of Air Filter right side wall and the corresponding left side for being tightly attached to stator in the bottom surface of Air Filter right side wall Wall, the lateral wall of the Air Filter are in contact position with motor housing inner wall equipped with adhesive.

Preferably, the left side central portion of drive end bearing bracket is in " C " shape structure, and " C " section face interval of the drive end bearing bracket offers rounded The heat release hole of shape.

Compared with prior art, the utility model has the beneficial effects that

1, the utility model improves the overall structure of the external rotor electric machine inner cavity, energy by setting cold wind cooling mechanism Blade, is connected in the outer surface of shaft by the cooperation for enough relying on connecting tube, determining block and screw, and shaft is high in motor operation During fast circle rotation in the same direction, the rotation of blade and shaft synchronous high-speed is allowed, blade generates hold in high-speed rotation process Continue cold wind in the same direction, and hot gas caused by inside when motor operation is passed through into the original of cold airflow and thermal current circulation replacement therewith Reason, by the high temperature hot gas dissipation inside when motor operation outside motor, so that the purpose of radiating and cooling is played to motor, so that electric The temperature on motor housing surface is not too high when captain's time uses, reduction motor long-time use when high temperature to motor housing Caused by erosion wear, extend the service life of motor housing, be conducive to the long-time service of the permanent-magnetic outer rotor motor.

Detailed description of the invention

Fig. 1 is the utility model structure front section view；

Fig. 2 is structure enlargement diagram at the A of the utility model Fig. 1；

Fig. 3 is the overall structure stereogram that the utility model determines block and connecting tube is combined；

Fig. 4 is the structural perspective of the utility model blade.

In figure: 1 motor housing, 2 stators, 3 drive end bearing brackets, 31 heat release holes, 4 cooler rear end caps, 5 rotors, 6 shafts, 7 cold wind Block, 711 perforation, 72 blades, 721 connecting plates, 722 screws, 73 connecting tubes, 731 through-holes, 74 screws, 75 anti-is determined in cooling mechanism, 71 Dirt net.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-4 is please referred to, the utility model provides a kind of technical solution:

The built-in heat dissipation water route of stator slot and the concatenated permanent-magnetic outer rotor motor of main waterway, including motor housing 1, it is connected in this The stator 2 of 1 inner wall of motor housing, is connected in the cold of 1 right side of motor housing at the drive end bearing bracket 3 for being connected in 1 left side of motor housing But device rear end cap 4, transverse direction are installed in the rotor 5 of 2 inner cavity of stator, the shaft 6 being horizontally through in the middle part of 5 side wall of rotor and install In 3 inner cavity of drive end bearing bracket and it is connected to the cold wind cooling mechanism 7 of 6 outer surface of shaft；Extend a left side for drive end bearing bracket 3 in the left end of shaft 6 Middle side part, the outer surface of shaft 6 position that is in contact with 3 lid of drive end bearing bracket are socketed with first bearing；The right end of shaft 6 extends cold But the right side central of device rear end cap 4, the outer surface of shaft 6 position that is in contact with 4 lid of cooler rear end cap are socketed with the second axis It holds；Cold wind cooling mechanism 7 by install in 3 inner cavity of drive end bearing bracket and be socketed in 6 outer surface of shaft it is rectangular determine block 71, annular point Cloth is simultaneously vertically fixed on and determines four groups of rectangular blades 72 of 71 side wall of block, is fixed on and determines 71 right side wall of block and be fixedly attached to The connecting tube 73 of 6 outer surface of shaft is fixed on integrated screw positioned at 73 outer tube wall of connecting tube and by connecting tube 73 and shaft 6 It 74 and is sheathed on 73 outer tube wall of connecting tube and is tightly attached to the rectangular Air Filter 75 of 3 inner wall of drive end bearing bracket and constitute.

The bottom end of blade 72 is fixed with rectangular connecting plate 721, and the plate body bottom end of the connecting plate 721 passes through screw 722 are tightly secured in the top for determining block 71, and the block middle part for determining block 71 offers and is horizontally through in rounded shape wear for shaft 6 Hole 711.

The outer tube wall perforation of connecting tube 73 offers the through-hole 731 passed perpendicularly through for screw 74, the right side wall of connecting tube 73 Close to the left side of rotor 5.

The top surface of 75 right side wall of Air Filter and the corresponding left side wall for being tightly attached to stator 2 in the bottom surface of 75 right side wall of Air Filter, The lateral wall of the Air Filter 75 is in contact position with 1 inner wall of motor housing equipped with adhesive；The setting of adhesive can be further Reinforce the overall stability that Air Filter 75 is mounted on 3 inner cavity of drive end bearing bracket；The setting for wherein passing through Air Filter 75, can obstruct in leaf During the rotation of piece 72 generates cold wind, reduces dust impurity in cold wind and enter abrasion caused by rotor 5 and stator 2, thus Play the role of protection, the service life of Extending Rotor 5 and stator 2 to rotor 5 and stator 2, and then extends the permanent-magnetic outer rotor The service life of motor.

The left side central portion of drive end bearing bracket 3 is in " C " shape structure, and " C " section face interval of the drive end bearing bracket 3 offers in rounded shape dissipate Hot hole 31.

The cooperation that the utility model can rely on connecting tube 73, determine block 71 Yu screw 74, is connected in shaft 6 for blade 72 Outer surface, and in motor operation the high speed of shaft 6 in the same direction circle rotation during, allow blade 72 and 6 synchronous high-speed of shaft Rotation, blade 72 generates in high-speed rotation process continues cold wind in the same direction, and therewith will when motor operation inside produced by Hot gas, by the principle of cold airflow and thermal current circulation replacement, by the high temperature hot gas dissipation inside when motor operation in motor Outside, to play the purpose of radiating and cooling to motor, so that the temperature on 1 surface of motor housing will not mistake when motor uses for a long time Height, when long-time uses, for high temperature to erosion wear caused by motor housing 1, extend motor housing 1 uses the longevity to reduction motor Life, is conducive to the long-time service of the permanent-magnetic outer rotor motor.

Working principle: in use, Air Filter 75 is installed on 6 outer surface of shaft of 3 inner cavity of drive end bearing bracket in advance, then will Connecting tube 73 and determine block 71 and be mounted on 6 surface of shaft, the left end of connecting tube 73 and determine 71 block of block and be fixed on one, reuses Connecting tube 73 is fastened and inserted on 6 outer surface of shaft by screw 74, and corresponding be distributed in of four groups of blades 72 is then determined the outer of block 71 again Side wall；Reuse the motor, at this time motor operation, rotor 52 inner periphery of stator rotate, in the mistake of 5 circle rotation of rotor The circle rotation therewith of shaft 6 in journey drives blade 72 is synchronous to carry out circle rotation, in blade 72 by the circle rotation of shaft 6 It is generated during high speed rotation and blows to drive end bearing bracket 3 from right to left and by hot gas caused by inside when motor operation, lead to rapidly It crosses 72 high speed rotation of blade and generates air flow, hot gas caused by inside when motor operation is constantly dissipated, so that electric The decline of machine bulk temperature reduces high temperature erosion suffered by motor with this, extends the service life of motor.

Wherein, by the cooperation of connecting tube 73 and screw 74, block 71 will be determined and blade 72 is firmly mounted on shaft 6 by facilitating Outer surface is conducive to the long-term use of blade 72.

Wherein, in blade 72 and 6 synchronous rotary of shaft, the cold wind that blade 72 generates can lead to the hot gas inside motor Heat release hole 31 is crossed to dissipate.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (5)

1. the built-in heat dissipation water route of stator slot and the concatenated permanent-magnetic outer rotor motor of main waterway, including motor housing (1), it is connected in this The stator (2) of motor housing (1) inner wall, is connected in the motor housing at the drive end bearing bracket (3) being connected on the left of the motor housing (1) (1) cooler rear end cap (4), transverse direction on the right side of are installed in the rotor (5) of stator (2) inner cavity, are horizontally through in rotor (5) side wall The shaft (6) in portion and the cold wind cooling mechanism (7) for installing in drive end bearing bracket (3) inner cavity and being connected to shaft (6) outer surface；Its It is characterized in that: extending the left side central portion of drive end bearing bracket (3), the outer surface of shaft (6) and drive end bearing bracket in the left end of the shaft (6) (3) the lid position that is in contact is socketed with first bearing；The right end of shaft (6) extends the right side central of cooler rear end cap (4), The outer surface of shaft (6) position that is in contact with cooler rear end cap (4) lid is socketed with second bearing；The cold wind cooling mechanism (7) by installing in drive end bearing bracket (3) inner cavity and being socketed in that shaft (6) outer surface is rectangular to determine block (71), annular spread and hang down It is directly fixed on and determines four groups of rectangular blades (72) of block (71) side wall, is fixed on and determines block (71) right side wall and be fixedly attached to The connecting tube (73) of shaft (6) outer surface is located at connecting tube (73) outer tube wall and connecting tube (73) and shaft (6) is fixed on one It the screw (74) of body and is sheathed on connecting tube (73) outer tube wall and is tightly attached to the rectangular Air Filter of drive end bearing bracket (3) inner wall (75) it constitutes.

2. the built-in heat dissipation water route of stator slot according to claim 1 and the concatenated permanent-magnetic outer rotor motor of main waterway, special Sign is: the bottom end of blade (72) is fixed with rectangular connecting plate (721), and the plate body bottom end of the connecting plate (721) passes through Screw (722) is tightly secured in the top for determining block (71), and the block middle part for determining block (71) offers and is horizontally through for shaft (6) Perforation (711) in rounded shape.

3. the built-in heat dissipation water route of stator slot according to claim 1 and the concatenated permanent-magnetic outer rotor motor of main waterway, special Sign is: the outer tube wall perforation of connecting tube (73) offers the through-hole (731) passed perpendicularly through for screw (74), connecting tube (73) Left side of the right side wall close to rotor (5).

4. the built-in heat dissipation water route of stator slot according to claim 1 and the concatenated permanent-magnetic outer rotor motor of main waterway, special Sign is: the top surface of Air Filter (75) right side wall and the corresponding left side for being tightly attached to stator (2) in the bottom surface of Air Filter (75) right side wall Side wall, the lateral wall of the Air Filter (75) are in contact position with motor housing (1) inner wall equipped with adhesive.

5. the built-in heat dissipation water route of stator slot according to claim 1 and the concatenated permanent-magnetic outer rotor motor of main waterway, special Sign is: the left side central portion of drive end bearing bracket (3) is in " C " shape structure, and " C " section face interval of the drive end bearing bracket (3) offers in rounded shape Heat release hole (31).