CN105553149B - Hollow core shaft becomes the double down motor of the double increasings of magnetic structure and generator - Google Patents
Hollow core shaft becomes the double down motor of the double increasings of magnetic structure and generator Download PDFInfo
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- CN105553149B CN105553149B CN201610132103.2A CN201610132103A CN105553149B CN 105553149 B CN105553149 B CN 105553149B CN 201610132103 A CN201610132103 A CN 201610132103A CN 105553149 B CN105553149 B CN 105553149B
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- end cap
- rotor
- double
- core
- right end
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Classifications
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- 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
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2201/00—Specific aspects not provided for in the other groups of this subclass relating to the magnetic circuits
- H02K2201/06—Magnetic cores, or permanent magnets characterised by their skew
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The present invention proposes hollow core shaft and becomes the double down motor of the double increasings of magnetic structure and generator, realizes equal temperature technique of circulation, the internal heat of rotor assembly can effectively be discharged, reduce energy consumption 30-32%, greatly improve service life.The technological core of the present invention：The motor and generator of the prior art are improved, a little as follows, the improvement of 1. rotor assemblies is mainly set about：Rotor center axis uses hollow core shaft, and is equipped with heat emission hole；Wide groove, two narrow grooves there are two being set in the case where there is rotor core, on rotor core, cause the imbalance in magnetic field intentionally, improve the inertia of rotor assembly, improve rotating speed；It is equipped with inside heat emission hole and armature spindle and is connected at the big groove and little groove of rotor core；2. the improvement of body：Multiple heat emission holes are equipped in certain rule on body, in the case where ensureing not leakage field, realize gravity-flow ventilation heat dissipation.
Description
Technical field
The present invention relates to motor and generator, especially hollow core shafts to become the double down motor of the double increasings of magnetic structure and power generation
Machine.
Background technology
It is well known that since man invented motor and generator, motor and generator are all essentially identical knots
Structure.
The operation principle of motor is：Electromagnetism is just generated after the coil windings of motor are powered, consumes electric current, generates rotation
Turn magnetic field, the rotating excitation field cutting rotor winding, to generate induced current in rotor windings（Rotor windings are to be closed to lead to
Road）, the rotor conductor of current-carrying will generate electromagnetic force under the effect of stator rotating excitation field, to form electromagnetism turn on machine shaft
Square, drive motor rotation, and motor direction of rotation is identical as rotating excitation field direction.
The operation principle of generator is：The electromagnetic induction principle that electric energy is induced using conductor cutting magnetic force lines, original is dynamic
The mechanical energy of machine becomes electric energy output.Synchronous generator is made of stator and rotor two parts, and stator is the armature for sending out electric power,
Rotor is magnetic pole.Stator is by armature core, the compositions such as the coil windings and engine base of uniform discharge and end cap.Rotor is usually by excitation
Winding, iron core and axis composition.
Motor and generator are all basically same structure, including body, field frame assembly, rotor assembly, rotor assembly
One end of armature spindle be designed with fan.The configuration of this structure, calorific value is big during the work time, rotor assembly internal heat without
Method excludes, and power loss is big, causes service life short；The setting of fan further increases the energy consumption of rotor assembly.
Invention content
The present invention proposes that hollow core shaft becomes the double down motor of the double increasings of magnetic structure and generator, realizes equal temperature technique of circulation, energy
The effectively internal heat of discharge rotor assembly, reduces energy consumption 30-32%, greatly improves service life.
The technical concept of the present invention：To reach goal of the invention, the motor and generator of the prior art are improved, it is main
Set about a little as follows：
1. the improvement of rotor assembly：Rotor center axis uses hollow core shaft, and is equipped with heat emission hole；Rotor core is equipped with two
A wide groove, two narrow grooves, cause the imbalance in magnetic field intentionally, improve the inertia of rotor assembly, improve rotating speed；Rotor iron
It is equipped with inside heat emission hole and armature spindle and is connected at the big groove and little groove of core；
2. the improvement of body：Multiple heat emission holes are equipped in certain rule on body, in the case where ensureing not leakage field, are realized
Gravity-flow ventilation is radiated.
On the basis of the technical concept of the present invention, it is described that technical scheme is as follows.
Technical solution one
The double double down motor of increasing of hollow core shaft change magnetic structure, including body, left end cap, right end cap, field frame assembly, rotor are total
At field frame assembly includes stator core, coil windings, and rotor assembly includes central shaft, rotor core, rotor windings, stator iron
Core is fastened around on body, and left end cap, right end cap are fixedly connected on the both ends of body, and the central shaft of rotor assembly passes through bearing
Coaxial support is on left end cap, right end cap, it is characterised in that：
Central shaft is the hollow core shaft for having centre bore, and the rotor core installation axle journal upper edge of hollow core shaft is axially in certain
It is equipped at intervals at least three heat emission holes；It is set on the circumference of rotor core there are two identical wide groove, on the circumference of rotor core
It is symmetrical arranged there are two identical narrow groove with two wide grooves；The bottom of the wide groove and narrow groove is equipped with iron core heat emission hole
It is connected to central shaft；Correspond to bearings at both ends installation place on central shaft and is equipped with bearing heat emission hole；
Body is equipped with multiple heat emission holes；Bearing is mounted on from outside to inside in the supported hole of left end cap and right end cap, left end
The end face of lid and right end cap is equipped with end-face heat sinking hole.
Technical solution two
The double double down generators of increasing of hollow core shaft change magnetic structure, including body, left end cap, right end cap, field frame assembly, rotor are total
At field frame assembly includes stator core, coil windings, and rotor assembly includes central shaft, rotor core, Exciting Windings for Transverse Differential Protection, stator iron
Core is fastened around on body, and left end cap, right end cap are fixedly connected on the both ends of body, and the central shaft of rotor assembly passes through bearing
Coaxial support is on left end cap, right end cap, it is characterised in that：
Central shaft is the hollow core shaft for having centre bore, and the rotor core installation axle journal upper edge of hollow core shaft is axially in certain
It is equipped at intervals at least three heat emission holes；It is set on the circumference of rotor core there are two identical wide groove, on the circumference of rotor core
It is symmetrical arranged there are two identical narrow groove with two wide grooves；The bottom of the wide groove and narrow groove is equipped with iron core heat emission hole
It is connected to central shaft；Correspond to bearings at both ends installation place on central shaft and is equipped with bearing heat emission hole；
Body is equipped with multiple heat emission holes；Bearing is mounted on from outside to inside in the supported hole of left end cap and right end cap, left end
The end face of lid and right end cap is equipped with end-face heat sinking hole.
Above-mentioned technical proposal is further limited：In order to ensure not leakage field, and the purpose of ventilation and heat is played, the machine
Heat sink hole diameter on body is 6-10 millimeters.
Above-mentioned technical proposal is further limited：The outside of the left end cap or right end cap is separately installed, and there are one electric wind
Fan.
Above-mentioned technical proposal is further limited：The engine base is aluminum casting, further strengthens the effect of heat dissipation.
Advantageous effect：The present invention changes for field frame assembly, body, the end cover structure of existing motor and generator
Into breaking the normal procedure, have following advantages：
1. the central shaft of rotor assembly is hollow core shaft, central shaft and rotor core are equipped with heat emission hole, also are provided on body
Heat emission hole；To which internal heat is dispersed into air, gravity-flow ventilation, Temperature fall improves service life；
2. being set on the circumference of rotor core, there are two wide groove and two identical narrow grooves, cause the injustice in magnetic field intentionally
Weighing apparatus improves the inertia of rotor assembly, improves rotating speed, takes full advantage of the magnetic field of stator winding generation, forms energy-conservation energy consumption
Inevitable outcome；
3. the central shaft heat emission hole of bearing installation, end cap heat emission hole ensure that bearing does not generate heat, prolong the service life；Make
2 times or more can be improved with the service life；
4. body reaches the mesh of heat dissipation equipped with a diameter of 6-10 millimeters of heat emission hole in the case where ensureing not leakage field
's；
5. the outside of the left end cap or right end cap is separately installed, there are one electric fans, do not connect with the central shaft of rotor assembly
It connects, that is, achievees the purpose that further to radiate, there is the rotary resistance for not increasing rotor assembly.
Description of the drawings
Fig. 1 is the structure chart of central shaft in the present invention.
Fig. 2 is in Fig. 1 along A-A sectional views.
Fig. 3 is the installation diagram of rotor core and central shaft in the present invention.
Fig. 4 is in Fig. 3 along B-B sectional views.
Fig. 5 is that hollow core shaft of the present invention becomes the double front views for increasing double down motor of magnetic structure.
Fig. 6 is that hollow core shaft of the present invention becomes the double vertical views for increasing double down motor of magnetic structure.
Fig. 7 is that the hollow core shaft shown in Fig. 5 becomes the double left views for increasing double down motor of magnetic structure.
Fig. 8 is that hollow core shaft of the present invention becomes the double another structure charts for increasing double down motor of magnetic structure.
Specific implementation mode
As shown in Figure 1 and Figure 2, it is the structure chart of central shaft in the present invention, central shaft 1 is the hollow core for having centre bore 2
The rotor core installation axle journal upper edge of axis, hollow core shaft is axially equipped at least three heat emission holes 6, the heat emission hole in certain intervals
6 extend radially through central shaft 1；Central shaft 1 is equipped with left limit step 7, right limit step 5, left limit step 7 and right limit step 5
Outside be bearing installation 4, bearing installation 4 is equipped with bearing heat emission hole 8；It is output connecting pin 3 on the outside of bearing installation.
As shown in Figure 1 and Figure 2, the central shaft 1 can also only tool be there are one output end 3, the center far from output end 3
1 other end of axis only has bearing installation 4.
As shown in Figure 3, Figure 4, it is the installation diagram of rotor core and central shaft in the present invention, rotor core 9 is fixed on center
On the rotor core installation axle journal of axis 1；Identical wide groove 10 there are two being set on the circumference of rotor core 9, the circle of rotor core
Two wide grooves of Zhou Shangyu are arranged symmetrically, and there are two identical narrow grooves 11；The bottom of the wide groove 10 and narrow groove 11 is along axis
It is connected to in certain intervals with central shaft 1 equipped with iron core heat emission hole 12.
As shown in Figure 3, Figure 4, the width of narrow groove 11 is the 40-60% of the width of wide groove 10, and the depth of narrow groove 11 is
The 40-60% of the depth of wide groove 10；For setting the motor or generator that power is 5 kilowatts, the width of wide groove 10 is
12 millimeters, the depth of wide groove 10 is 8 millimeters, and the width of narrow groove 11 is 6 millimeters, and the depth of narrow groove 11 is 4 millimeters.
As described above, the setting of the size of narrow groove 11 and narrow groove 11 is a kind of specific example, according to motor or hair
The setting power of motor is different, and the size setting of narrow groove 11 and narrow groove 11 can change；As long as ensureing following technologies
Element is as follows：The width of narrow groove 11 is the 40-60% of the width of wide groove 10, and the depth of narrow groove 11 is wide groove 10
Depth 40-60%.
By two wide grooves and two identical narrow grooves, the imbalance in magnetic field is caused intentionally, improves rotor assembly
Inertia improves rotating speed, takes full advantage of the magnetic field of stator winding generation, forms the inevitable outcome of energy-conservation energy consumption.
It is that hollow core shaft becomes a kind of double structures for increasing double down motor of magnetic structure in the present invention as shown in Fig. 5, Fig. 6, Fig. 7
Figure, including body 15, left end cap 13, right end cap 18, field frame assembly, rotor assembly, the rotor assembly is using Fig. 1-Fig. 4
Shown in central shaft 1, rotor core 9, field frame assembly includes stator core 16, coil windings 17, and rotor assembly includes central shaft
1, rotor core 9, rotor windings 14, stator core 16 are fastened around on body 15, and left end cap 13, right end cap 18 are fixedly connected
At the both ends of body, the central shaft 1 of rotor assembly by 19 coaxial support of bearing on left end cap 13, right end cap 18, body 15
It is upper to be equipped with multiple heat emission holes in certain rule；Bearing 19 is mounted on from outside to inside in the supported hole of left end cap and right end cap, left end
The end face of lid is equipped with end-face heat sinking hole 20, and end-face heat sinking hole also is provided on the end face of right end cap.
A diameter of 6-10 millimeters of heat emission hole of the heat emission hole reaches the mesh of heat dissipation in the case where ensureing not leakage field
's.
As shown in figure 8, being that hollow core shaft becomes the double another structure charts for increasing double down motor of magnetic structure in the present invention, with figure
5- motor shown in Fig. 7 difference lies in：The outside of the right end cap is separately installed, and there are one electric fans 21, ensure more fully
Heat dissipation.
As shown in figure 8, electric fan can also be installed to the outside of left end cap, in this case, in as shown in Figure 1 and Figure 2
Only there are one output ends for mandrel.
Hollow core shaft becomes the double improved structures for increasing double down generator of magnetic structure in the present invention and hollow core shaft change magnetic structure is double
The improved structure for increasing double down motor is identical, and this is not described in detail here for rest part.
The double double down generators of increasing of hollow core shaft change magnetic structure of the present invention, including body, left end cap, right end cap, stator are total
At, rotor assembly, field frame assembly includes stator core, coil windings, rotor assembly include central shaft, rotor core, excitation around
Group, stator core are fastened around on body, and left end cap, right end cap are fixedly connected on the both ends of body, the center of rotor assembly
Axis is supported on left end cap, on right end cap by coaxial bearing, and multiple heat emission holes are equipped in certain rule on body；Bearing is from extroversion
Interior to be mounted in the supported hole of left end cap and right end cap, the end face of left end cap and right end cap is equipped with end-face heat sinking hole；It uses
It is Fig. 1-central shafts shown in Fig. 4, rotor core.
Fig. 1-central shafts shown in Fig. 2 in the present invention, the structure for having heat emission hole on body, the left end cap being connect with body and
Structure of the end face of right end cap equipped with end-face heat sinking hole is equally applicable to the motor or generator of iron-core-free.
Another hollow core shaft in the present invention becomes the double double down motor of increasing of magnetic structure, including body, left end cap, right end
Lid, field frame assembly, rotor assembly, field frame assembly include stator core, coil windings, rotor assembly include central shaft, rotor around
Group, stator core are fastened around on body, and left end cap, right end cap are fixedly connected on the both ends of body, the center of rotor assembly
Axis is supported on left end cap, on right end cap by coaxial bearing, and multiple heat emission holes are equipped in certain rule on body；Bearing is from extroversion
Interior to be mounted in the supported hole of left end cap and right end cap, the end face of left end cap and right end cap is equipped with end-face heat sinking hole；It uses
It is Fig. 1-central shafts shown in Fig. 2, central shaft is the hollow core shaft for having centre bore, and the installation axle journal upper edge of hollow core shaft is axial
It is equipped at least three heat emission holes in certain intervals；Correspond to bearings at both ends installation place on central shaft and is equipped with bearing heat emission hole.
Another hollow core shaft in the present invention becomes the double double down generators of increasing of magnetic structure, including body, left end cap, right end
Lid, field frame assembly, rotor assembly, field frame assembly include stator core, coil windings, rotor assembly include central shaft, rotor around
Group, stator core are fastened around on body, and left end cap, right end cap are fixedly connected on the both ends of body, the center of rotor assembly
Axis is supported on left end cap, on right end cap by coaxial bearing, and multiple heat emission holes are equipped in certain rule on body；Bearing is from extroversion
Interior to be mounted in the supported hole of left end cap and right end cap, the end face of left end cap and right end cap is equipped with end-face heat sinking hole；It uses
It is Fig. 1-central shafts shown in Fig. 2, central shaft is the hollow core shaft for having centre bore, and the installation axle journal upper edge of hollow core shaft is axial
It is equipped at least three heat emission holes in certain intervals；Correspond to bearings at both ends installation place on central shaft and is equipped with bearing heat emission hole.
The rotor windings can be substituted with permanent magnet.
The outside of the motor of above-mentioned iron-core-free or left end cap or right end cap in generator is separately installed, and there are one electric fans.
As long as motor and generator are using Fig. 1-central shafts shown in Fig. 4, rotor core（According to motor and generator
Type chooses whether to use）, have heat emission hole on body, the end face of the left end cap and right end cap that are connect with body is dissipated equipped with end face
Hot hole is all protection scope of the present invention.
Claims (6)
1. the double double down motor of increasing of hollow core shaft change magnetic structure, including body, left end cap, right end cap, field frame assembly, rotor are total
At field frame assembly includes stator core, coil windings, and rotor assembly includes central shaft, rotor core, rotor windings, stator iron
Core is fastened around on body, and left end cap, right end cap are fixedly connected on the both ends of body, and the central shaft of rotor assembly passes through bearing
Coaxial support is on left end cap, right end cap, it is characterised in that：
Central shaft is the hollow core shaft for having centre bore, and the rotor core installation axle journal upper edge of hollow core shaft is in axially certain intervals
Equipped at least three heat emission holes；It is set on the circumference of rotor core there are two identical wide groove, with two on the circumference of rotor core
A wide groove is arranged symmetrically, and there are two identical narrow grooves；The bottom of the wide groove and narrow groove is equipped with iron core heat emission hole in
Mandrel is connected to；Correspond to bearings at both ends installation place on central shaft and is equipped with bearing heat emission hole；
Body is equipped with multiple heat emission holes；Bearing is mounted in the supported hole of left end cap and right end cap from outside to inside, left end cap and
The end face of right end cap is equipped with end-face heat sinking hole.
2. hollow core shaft according to claim 1 becomes, magnetic structure is double to increase double down motor, it is characterised in that：The body
On heat sink hole diameter be 6-10 millimeters.
3. hollow core shaft according to claim 1 or 2 becomes, magnetic structure is double to increase double down motor, it is characterised in that：The left side
The outside of end cap or right end cap is separately installed, and there are one electric fans.
4. the double double down generators of increasing of hollow core shaft change magnetic structure, including body, left end cap, right end cap, field frame assembly, rotor are total
At field frame assembly includes stator core, coil windings, and rotor assembly includes central shaft, rotor core, Exciting Windings for Transverse Differential Protection, stator iron
Core is fastened around on body, and left end cap, right end cap are fixedly connected on the both ends of body, and the central shaft of rotor assembly passes through bearing
Coaxial support is on left end cap, right end cap, it is characterised in that：
Central shaft is the hollow core shaft for having centre bore, and the rotor core installation axle journal upper edge of hollow core shaft is in axially certain intervals
Equipped at least three heat emission holes；It is set on the circumference of rotor core there are two identical wide groove, with two on the circumference of rotor core
A wide groove is arranged symmetrically, and there are two identical narrow grooves；The bottom of the wide groove and narrow groove is equipped with iron core heat emission hole in
Mandrel is connected to；Correspond to bearings at both ends installation place on central shaft and is equipped with bearing heat emission hole；
On body multiple heat emission holes are equipped in certain rule；Bearing is mounted on the supported hole of left end cap and right end cap from outside to inside
In, the end face of left end cap and right end cap is equipped with end-face heat sinking hole.
5. hollow core shaft according to claim 4 becomes, magnetic structure is double to increase double down generator, it is characterised in that：On the body
Heat sink hole diameter be 6-10 millimeters.
6. hollow core shaft according to claim 4 or 5 becomes, magnetic structure is double to increase double down generator, it is characterised in that：The left side
The outside of end cap or right end cap is separately installed, and there are one electric fans.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610132103.2A CN105553149B (en) | 2016-03-09 | 2016-03-09 | Hollow core shaft becomes the double down motor of the double increasings of magnetic structure and generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610132103.2A CN105553149B (en) | 2016-03-09 | 2016-03-09 | Hollow core shaft becomes the double down motor of the double increasings of magnetic structure and generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105553149A CN105553149A (en) | 2016-05-04 |
| CN105553149B true CN105553149B (en) | 2018-11-02 |
Family
ID=55832146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610132103.2A Active CN105553149B (en) | 2016-03-09 | 2016-03-09 | Hollow core shaft becomes the double down motor of the double increasings of magnetic structure and generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105553149B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1286821A (en) * | 1998-01-21 | 2001-03-07 | 株式会社日立制作所 | Motor |
| CN203086307U (en) * | 2012-04-25 | 2013-07-24 | 山西北方机械制造有限责任公司 | Permanent magnet synchronous motor with ventilation structure |
| CN103219816A (en) * | 2013-05-07 | 2013-07-24 | 哈尔滨工业大学 | Pole-changing control permanent magnet synchronous motor |
| CN204118918U (en) * | 2014-10-11 | 2015-01-21 | 浙江兆丰机电股份有限公司 | A kind of waterproof air-cooled heat dissipation structure of hub motor for electric automobile |
| CN205945296U (en) * | 2016-03-09 | 2017-02-08 | 胡改清 | Hollow dabber becomes that magnetic structure is two to increase two fall motor and generators |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004096925A (en) * | 2002-09-02 | 2004-03-25 | Fuji Heavy Ind Ltd | Rotor structure of permanent magnet type synchronous motor |
-
2016
- 2016-03-09 CN CN201610132103.2A patent/CN105553149B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1286821A (en) * | 1998-01-21 | 2001-03-07 | 株式会社日立制作所 | Motor |
| CN203086307U (en) * | 2012-04-25 | 2013-07-24 | 山西北方机械制造有限责任公司 | Permanent magnet synchronous motor with ventilation structure |
| CN103219816A (en) * | 2013-05-07 | 2013-07-24 | 哈尔滨工业大学 | Pole-changing control permanent magnet synchronous motor |
| CN204118918U (en) * | 2014-10-11 | 2015-01-21 | 浙江兆丰机电股份有限公司 | A kind of waterproof air-cooled heat dissipation structure of hub motor for electric automobile |
| CN205945296U (en) * | 2016-03-09 | 2017-02-08 | 胡改清 | Hollow dabber becomes that magnetic structure is two to increase two fall motor and generators |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105553149A (en) | 2016-05-04 |
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