CN108964314A - A kind of cross motor of good heat dissipation effect - Google Patents
A kind of cross motor of good heat dissipation effect Download PDFInfo
- Publication number
- CN108964314A CN108964314A CN201810945886.5A CN201810945886A CN108964314A CN 108964314 A CN108964314 A CN 108964314A CN 201810945886 A CN201810945886 A CN 201810945886A CN 108964314 A CN108964314 A CN 108964314A
- Authority
- CN
- China
- Prior art keywords
- face
- cross motor
- rotor
- fan
- armature spindle
- 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.)
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/32—Rotating parts of the magnetic circuit with channels or ducts for flow of cooling medium
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
- H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
Abstract
The present invention provides a kind of cross motor of good heat dissipation effect, including shell, set on the drive end bearing bracket of case nose, set on the rear end cap of outer casing back, stator in shell, rotor at stator center and the armature spindle at rotor center, rotor has a plurality of axially disposed cooling ducts and first end face and second end face, a fan unit is arranged on each end face, fan unit is at least made of two fan sections, each fan section corresponds respectively to a cooling duct, and it is alternately arranged in first end face and second end face, fan section has at least one air guide channel and at least one air guiding walls, it is achieved in interlaced arrangement of the fan section on two end faces.Making cooling medium in this way, accordingly (i.e. self-powered moved end is towards output extreme direction or from output end towards driving extreme direction) is flowed through from cooling duct in the opposite direction.It that is to say the heat dissipation effect for promoting cross motor.
Description
Technical field
The present invention relates to technical field of motors more particularly to a kind of cross motors of good heat dissipation effect.
Background technique
With the development of permanent-magnet material, microelectric technique, automated control technology and power electronic technique, the structure of motor
It is also improved and is promoted with performance.The generally not set waterproof construction of traditional motor, external water easily along armature spindle into
Enter inside motor, influences the service life and service performance of motor.In order to solve the defect of water inlet, some manufacturers set on motor
Waterproof construction is set, but the waterproof construction on existing motor is complex, manufacturing cost is higher.
In addition, motor can generate the loss heat for needing accordingly to be discharged when working.Known way be for motor (especially
Enclosed motor) it is equipped with internal cooling circuit, it is accordingly cooled down by the temperature difference in compensation machine inner cavity, but such side
The heat dissipation effect of formula is general, is not able to satisfy existing requirement.
Summary of the invention
The purpose of the present invention is to provide a kind of good heat dissipation effect and the cross motors of water, shock.
In order to achieve the above object, the present invention adopts the following technical scheme: a kind of cross motor of good heat dissipation effect, including
Shell, the rear end cap set on outer casing back, the stator in shell, is set to stator center at the drive end bearing bracket set on case nose
The rotor at place and the armature spindle at rotor center, armature spindle is horizontally disposed, and rotor drives armature spindle rotation to realize power
Output, the axis hole that shell is stretched out for armature spindle is equipped at the center of drive end bearing bracket, the front end face of drive end bearing bracket is equipped with around axis hole
Forwardly convex annular convex platform is arranged flexible bump protection ring on annular convex platform, and the front end sleeve of armature spindle sets flexible waterproof
Circle, water proof ring is placed in axis hole and front end face exceeds the front end face of annular convex platform, and the side wall of water proof ring circumferentially is oblique,
And the outer front end without leave of side wall is gradually increased to the back-end, the bottom of annular convex platform front end is equipped with notch, the bottom of bump protection ring front end
Equipped with discharge opening corresponding with notch, which is characterized in that the rotor has a plurality of axially disposed cooling ducts and the
One end face and second end face are arranged with a fan unit on each end face, and fan unit is at least made of two fan sections, often
A fan section corresponds respectively to a cooling duct, and is alternately arranged in first end face and second end face, and fan section has extremely
A few air guide channel and at least one air guiding walls.
Further, the air guiding walls are configured as, at least partly adjacent or Chong Die with adjacent fans section.
Further, there are two air guiding walls for the fan section tool.
Further, the second air guiding walls are arranged closer to first or second end face.
Further, air guiding walls on the air guide channel are to be parallel to the first or second end face of rotor
Mode is arranged.
Further, the air guiding walls of described two adjacent fans sections are least partially overlapped or adjacent, fan section aluminium
Casting is made, and fan section is bolted on the end face of rotor.
Further, the annular convex platform is equipped with the bulge loop circumferentially outwardly protruded, and bump protection ring is equipped with matches with bulge loop
The card slot of conjunction, bump protection ring are set on annular convex platform by the engagement sleeves of card slot and bulge loop.
Further, the inside of the bulge loop forms annular groove, and the rear end of water proof ring is equipped with waterproof ring, and waterproof ring protrudes into
In annular groove.
Further, the bump protection ring is greater than annular convex platform along axial height along axial thickness.
Further, the front end of the armature spindle is equipped with the limiting slot that is interference fitted with water proof ring, water proof ring by with limit
The interference fit of position slot is sheathed on armature spindle.
After adopting the above technical scheme, the present invention has the advantage that
In the present invention, by being arranged bump protection ring on annular convex platform, water proof ring is set, and the front end face of water proof ring is super in axis hole
The front end face of annular convex platform out, the side wall of water proof ring circumferentially is oblique, and notch is arranged in the bottom of annular convex platform front end, shockproof
Discharge opening is arranged in the bottom for enclosing front end.When installation, bump protection ring replaces drive end bearing bracket to contact with fixed station, and motor work can be effectively relieved
When caused vibration, realize shockproof function.When external water is entered in annular convex platform from axis hole, in the barrier effect of water proof ring
Under flow downward, and by notch, discharge opening flow out annular convex platform, realize water-proof function.Meanwhile rotor is with a plurality of along axis
To the cooling duct of arrangement.A fan unit is respectively disposed on two end faces of rotor, fan unit is at least by two wind
Sector is constituted, wherein each fan section corresponds respectively to a cooling duct.Fan section is all alternating cloth on two end faces
It sets, that is to say, that the fan section on each end face is connected with each cooling duct being separated by.Fan section has air guiding logical
Road and air guiding walls.Fan unit is at least made of two fan sections, that is to say, that by multiple fan section construction, one has
The fan unit of effect.Each fan section corresponds respectively to a cooling duct, and replaces cloth in first end face and second end face
Set, as a result, on each end face, fan section respectively be installed on each cooling duct being separated by.If rotor has
There is 1 to n a cooling duct (1-n), the fan section in first end face is just arranged on odd number cooling duct, the wind in second end face
Sector is then accordingly arranged on even number cooling duct.For example, if there are six cooling duct, the wind of first end face for rotor tool
Sector is just arranged in first, third and the 5th cooling duct, and the fan section of second end face is just arranged in the second, the 4th and the 6th
On cooling duct.It is achieved in interlaced arrangement of the fan section on two end faces.Make in this way cooling medium accordingly with
Opposite direction (i.e. self-powered moved end is towards output extreme direction or from output end towards driving extreme direction) is flowed through from cooling duct.Namely
It is the heat dissipation effect for promoting cross motor.
Detailed description of the invention
The present invention will be further explained below with reference to the attached drawings:
Fig. 1 is the longitudinal sectional view of cross motor of the present invention.
Fig. 2 is the transverse sectional view of cross motor of the present invention.
Fig. 3 is the structural schematic diagram of fan section in cross motor of the present invention.
Fig. 4 is the structural schematic diagram of another fan section in cross motor of the present invention.
Fig. 5 is the top view of Fig. 4.
Fig. 6 is the structural schematic diagram of bump protection ring in cross motor of the present invention.
Fig. 7 is the structural schematic diagram of water proof ring in cross motor of the present invention.
Marked the names of the parts are as follows in figure:
1, motor；2, armature spindle；3, rotor；4, stator；5a, first end face；5b, second end face；6, fan unit；7, wind
Sector；7a, air guide channel；7b, air guiding walls；7c, air guiding walls；8, cooling duct；9, End winding；10, outer
Shell；11, rear end cap；12, overlay structure；13, bump protection ring；131, discharge opening；132, fixation hole；133, card slot；14, water proof ring；
141, side wall；142, waterproof ring；143, sets of holes.
Specific embodiment
Below in conjunction with drawings and the specific embodiments, the present invention is described in further detail.
As shown in Fig. 1 to 7, the present invention provides a kind of cross motor of good heat dissipation effect, including shell 10, be set to shell before
The drive end bearing bracket at end set on the rear end cap 11 of outer casing back, the stator 4 in shell, the rotor 3 at stator center and is set
Armature spindle 2 at rotor center, stator 4 have End winding 9, and armature spindle 2 is horizontally disposed, and rotor 3 drives armature spindle 2 to rotate
The axis hole that shell 10 is stretched out for armature spindle 2 is equipped with to realize the output of power, at the center of drive end bearing bracket, on the front end face of drive end bearing bracket
Equipped with the annular convex platform forwardly convex around axis hole, flexible bump protection ring 13, the front end sleeve of armature spindle 2 are arranged on annular convex platform
If flexible water proof ring 14, water proof ring 14 is placed in axis hole and front end face exceeds the front end face of annular convex platform, water proof ring 14
Side wall 141 circumferentially is oblique, and the outer front end without leave of side wall 141 is gradually increased to the back-end, the bottom of annular convex platform front end
Portion is equipped with notch, and the bottom of 13 front end of bump protection ring is equipped with discharge opening 131 corresponding with notch, is set up defences by covering on annular convex platform
Shake circle, axis hole is interior to be arranged water proof ring, and the front end face of water proof ring exceeds the front end face of annular convex platform, and the side wall of water proof ring circumferentially is in
Skewed, notch is arranged in the bottom of annular convex platform front end, and discharge opening is arranged in the bottom of bump protection ring front end.When installation, bump protection ring generation
It is contacted for drive end bearing bracket with fixed station, caused vibration when motor work can be effectively relieved, realize shockproof function.External water is from axis
It when entering in annular convex platform at hole, flows downward under the barrier effect of water proof ring, and convex annular is flowed out by notch, discharge opening
Platform realizes water-proof function.
In the present embodiment, it is arranged with fan unit 6 on two end faces 5a, 5b of rotor 3, fan unit is by a plurality of wind
Sector 7 is constituted.In addition, rotor 3 also has a plurality of axial cooling ducts 8.Fan section 7 is alternately arranged at two end faces 5a, 5b
On.After cooling medium (being particularly air) is configured in the sucking of the fan unit 6 on two end faces 5a, 5b, lead to from cooling
It flows through in road 8 and fan section 7, is flowed by End winding 9 towards the inner wall of shell 10 and rear end cap 11, finally returned to cooling logical
Road 8.Fan unit 6 is made of multiple fan sections 7, and effective radial fan is consequently formed.
The transverse cross-sectional view of the first rotor end face one end 5a of motor 1 of the present invention is shown in Fig. 2.Attached drawing is shown clearly
The cooling duct 8 of rotor 3, wherein being provided with 16 cooling ducts 8 altogether.Each cooling duct 8 is provided with a fan section 7,
As a result, being arranged with eight fan sections on each end face 5a, 5b.In addition, also shown in figure air guide channel 7a and
Air guiding walls 7b and 7c.Air guiding walls 7b and 7c are parallel to shown end face 5a arrangement.As described above, air guiding walls 7b
With 7c interlaced arrangement, and it is positioned such that the second air guiding walls 7c closer to end face 5a.Thus overlay structure 12 is generated,
This is because the second air guiding walls 7c of fan section 7 is inserted in below the first air guiding walls 7b of adjacent fans section 7.Certainly
First air guiding walls can also be inserted in below the second air guiding walls.These air guiding walls can not also be overlapped, and only
It is adjacent to each other.In addition to this, according to Fig.2, the construction mode that air guiding walls 7b and 7c is taken makes for air
The air guide channel 8 of feedback is accordingly kept unimpeded, so that being mounted on the fan unit on the end face of 3 other end of rotor
The air that (not shown) is sucked can be freely accessible to cooling duct 8.
The fan section 7 of first embodiment is shown in Fig. 3.Fan section 7 is by an air guide channel 7a and a sky
Gas guiding walls 7b is constituted.Air guide channel 7a is for conveying and aspirating air.Air guiding walls 7b is to be parallel to one of them
The mode of end face 5a or 5b (not shown herein) are arranged on air guide channel 7a.Air guiding walls are configured as, at least
Part and the adjacent fans section that attached drawing is not shown are adjacent or Chong Die.
The fan section 7 of second embodiment is shown in Fig. 4.Fan section 7 has an air guide channel 7a and two
Air guiding walls 7b, 7c, the two air guiding walls extend in air guide channel 7a opposite two sides.It can be special from Fig. 4
It not can be clearly seen, air guiding walls 7b and 7c arrangement interlaced with each other, wherein air guiding walls 7c is not shown closer to attached drawing
Rotor end-face.Whereby overlay structure can be realized when installing fan section 7.
The top view of fan section 7 shown in Fig. 4 is shown in Fig. 5.As shown in figure 5, air guiding walls 7b and 7c not exist
Extend on entire air guide channel 7a, and only extend to such degree, makes the unshowned cooling fed back for air
Channel is kept unimpeded.
Annular convex platform is equipped with and circumferentially outwardly protrudes the bulge loop to be formed, and is equipped at the center of bump protection ring 13 and annular convex platform
Matched fixation hole 132, the card slot 133 with bulge loop cooperation is offered on the inner wall of fixation hole 132, and bump protection ring 13 passes through card slot
133 are set on annular convex platform with the engagement sleeves of bulge loop.The inside of bulge loop forms annular groove, and the rear end of water proof ring 14 is equipped with waterproof
Ring 142, waterproof ring 142 protrude into annular groove, and bump protection ring 13 is greater than annular convex platform along axial height along axial thickness, prevent
It is equipped at the center of hydrosphere 14 and is equipped with and the sets of holes on water proof ring 14 with the matched sets of holes 143 of armature spindle 2, the front end of armature spindle 2
The limiting slot of 143 interference fits, water proof ring 14 are sheathed on armature spindle 2 by the interference fit of sets of holes and limiting slot.
In addition to above preferred embodiment, there are other embodiments of the invention, and those skilled in the art can be according to this
Invention makes various changes and modifications, and as long as it does not depart from the spirit of the invention, should belong to appended claims of the present invention and determines
The range of justice.
Claims (10)
1. a kind of cross motor of good heat dissipation effect, including shell, set on the drive end bearing bracket of case nose, after outer casing back
End cap, the stator in shell, the rotor at stator center and the armature spindle at rotor center, armature spindle are horizontal
Setting, rotor driving armature spindle rotate the output to realize power, are equipped at the center of drive end bearing bracket and stretch out shell for armature spindle
Axis hole, the front end face of drive end bearing bracket are equipped with the annular convex platform forwardly convex around axis hole, are arranged on annular convex platform flexible anti-
Shake circle, the front end sleeve of armature spindle set flexible water proof ring, and water proof ring is placed in axis hole and front end face is beyond annular convex platform
Front end face, the side wall of water proof ring circumferentially is oblique, and the outer front end without leave of side wall is gradually increased to the back-end, before annular convex platform
The bottom at end is equipped with notch, and the bottom of bump protection ring front end is equipped with discharge opening corresponding with notch, which is characterized in that the rotor tool
There are a plurality of axially disposed cooling ducts and first end face and second end face, a fan list is arranged on each end face
Member, fan unit are at least made of two fan sections, and each fan section corresponds respectively to a cooling duct, and is alternately arranged at
In first end face and second end face, fan section has at least one air guide channel and at least one air guiding walls.
2. cross motor according to claim 1, which is characterized in that the air guiding walls are configured as, at least partly
It is adjacent or Chong Die with adjacent fans section.
3. cross motor according to claim 1, which is characterized in that there are two air guiding walls for the fan section tool.
4. cross motor according to claim 3, which is characterized in that the second air guiding walls are closer to first or
Biend arrangement.
5. cross motor according to claim 1, which is characterized in that air guiding walls on the air guide channel with
The mode for being parallel to the first or second end face of rotor is arranged.
6. cross motor according to claim 1, which is characterized in that the air guiding walls of described two adjacent fans sections are extremely
Small part overlapping is adjacent, and fan section is made of aluminium casting, and fan section is bolted on the end face of rotor.
7. cross motor as claimed in any of claims 1 to 6, which is characterized in that the annular convex platform is equipped with
The bulge loop circumferentially outwardly protruded, bump protection ring are equipped with the card slot cooperated with bulge loop, and bump protection ring passes through the cooperation of card slot and bulge loop
It is sheathed on annular convex platform.
8. cross motor according to claim 7, which is characterized in that the inside of the bulge loop forms annular groove, waterproof
The rear end of circle is equipped with waterproof ring, and waterproof ring protrudes into annular groove.
9. cross motor as claimed in any of claims 1 to 6, which is characterized in that the bump protection ring is along axial direction
Thickness is greater than annular convex platform along axial height.
10. cross motor as claimed in any of claims 1 to 6, which is characterized in that the front end of the armature spindle is set
There is the limiting slot with water proof ring interference fit, water proof ring is sheathed on armature spindle by the interference fit with limiting slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810945886.5A CN108964314A (en) | 2018-08-20 | 2018-08-20 | A kind of cross motor of good heat dissipation effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810945886.5A CN108964314A (en) | 2018-08-20 | 2018-08-20 | A kind of cross motor of good heat dissipation effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108964314A true CN108964314A (en) | 2018-12-07 |
Family
ID=64470792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810945886.5A Pending CN108964314A (en) | 2018-08-20 | 2018-08-20 | A kind of cross motor of good heat dissipation effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108964314A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4142114A1 (en) * | 2021-08-25 | 2023-03-01 | ALSTOM Holdings | Air-cooled electric motor |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0779542A (en) * | 1993-09-09 | 1995-03-20 | Fuji Electric Co Ltd | Air cooling structure for salient pole electric rotating machine |
| CN101411037A (en) * | 2006-03-31 | 2009-04-15 | 西门子公司 | Electrical machine |
| CN107769431A (en) * | 2017-10-31 | 2018-03-06 | 平湖市万顺达机械有限公司 | A kind of cross motor |
-
2018
- 2018-08-20 CN CN201810945886.5A patent/CN108964314A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0779542A (en) * | 1993-09-09 | 1995-03-20 | Fuji Electric Co Ltd | Air cooling structure for salient pole electric rotating machine |
| CN101411037A (en) * | 2006-03-31 | 2009-04-15 | 西门子公司 | Electrical machine |
| CN107769431A (en) * | 2017-10-31 | 2018-03-06 | 平湖市万顺达机械有限公司 | A kind of cross motor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4142114A1 (en) * | 2021-08-25 | 2023-03-01 | ALSTOM Holdings | Air-cooled electric motor |
| FR3126566A1 (en) * | 2021-08-25 | 2023-03-03 | Alstom Transport Technologies | Air-cooled electric motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181207 |
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| RJ01 | Rejection of invention patent application after publication |