CN106329826A - Inside and outside cooled generator - Google Patents
Inside and outside cooled generator Download PDFInfo
- Publication number
- CN106329826A CN106329826A CN201510368014.3A CN201510368014A CN106329826A CN 106329826 A CN106329826 A CN 106329826A CN 201510368014 A CN201510368014 A CN 201510368014A CN 106329826 A CN106329826 A CN 106329826A
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- fan
- electromotor
- space
- skeleton
- cooling type
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Abstract
The invention discloses an inside and outside cooled generator, which comprises a generator and a fan arranged on a power output shaft of the generator, wherein the fan is arranged on the power output shaft of the generator; a gap is formed between the fan and the generator; the fan comprises a skeleton and blades; a plurality of blades spirally enter the center from an outer ring of the skeleton; the heights of the blades are gradually reduced from the outer ring of the skeleton to the center thereof; a central concave part is formed on the skeleton through the blades; and the power output shaft of the generator is connected to the inside of the central concave part. When wind in the center of the fan flows out of the fan, certain negative pressure is formed around the fan, and meanwhile, the wind around the fan also flows towards the center of the fan to drive the wind outside the generator to flow to cool the outside of the generator, thereby cooling the inside and the outside of the generator.
Description
Technical field
The present invention relates to a kind of electromotor, be specifically related to cooling type electromotor inside and outside one.
Background technology
The heating of electromotor is a major issue that always annoying electromotor manufacturer, generating
The heating of machine, traces it to its cause, and mainly has the reason in terms of three below: 1, mechanical friction is sent out
Heat, owing to electromotor is mutually rotated generation electricity by stator with rotor, in rotary course,
The mechanical wear face of installed surface and the machine of support will produce heat；2, electric current passes through stator and rotor
Heating is produced during conductor；3, made by ferrimagnet with rotor due to stator, ferromagnetic
Property material produces eddy current and the heating that produces in magnetic field.During the use of electromotor, as
Fruit distributes not in time and rapidly by these heat, and heat can be caused poly-around electromotor
Collection, promotes generator-temperature detection to raise rapidly, when temperature exceedes electromotor utmost carrying ability, and generating
Machine will burn, the most then cause device damage, heavy then can produce major accident.Therefore, how
Solve the heat dissipation problem of electromotor, be the problem that necessarily solves of current numerous electromotor manufacturer.
To this end, but parts come in the most much electromotor manufacturers will install some in electromotor
Solving the problems referred to above, the current type of cooling mainly has air-cooled and two kinds of modes of water-cooled.Wherein,
Water-cooling pattern is all well and good on cooling effect, but water-cooling pattern but has a lot of other defect cannot
Solving: one be that water-cooled mainly cools down is stator, rotor cannot cool down, therefore the temperature of rotor is still
There is the possibility raised；Two is the hidden danger of leak electricity short-circuit, owing to there being water, it is possible to there is leakage,
Once occur, may result in the most serious accident.Therefore use sending out of water-cooling pattern in the market
Motor is little.
Fan is mainly contained on the armature spindle inside drive end bearing bracket by current air cooling way, generating
When machine runs, wind enters from rear end cap and flows to fan through generator gap, then leads to from drive end bearing bracket
Air holes flows out, but owing to fan is limited by the problem of structure, on the one hand its air quantity is less than normal,
Cooling effect is the best, and on the other hand its air-out can only be flowed at generator, therefore can only cool down
Generator temperature, cooling effect is affected.
Summary of the invention
In order to solve above-mentioned technical problem, the invention provides one and can improve air quantity and permissible
The inside and outside cooling type electromotor of cooled electric generator inside and outside simultaneously.
In order to achieve the above object, technical scheme is as follows:
Inside and outside cooling type electromotor, including electromotor and the power output that is installed on this electromotor
Fan on axle, after this fan is installed on the power output shaft of this electromotor, this fan with should
Having gap between electromotor, this fan includes skeleton and blade, outside multiple blades are by skeleton
Enclose the heart wherein helically to enter, and the height of this blade is by the outer ring of the skeleton heart wherein progressively
Reducing, form center recess by this blade on skeleton, the power output shaft of electromotor is even
It is connected in this center recess.
Further, on above-mentioned electromotor before and after two ends be arranged with drive end bearing bracket and rear end cap,
Above-mentioned gap is between rear end cap and fan.
Further, the width in above-mentioned gap is less than the height of fan.
Further, the width in above-mentioned gap is 1-2cm.
Further, one end of above-mentioned blade is to the slope that is centrally formed of skeleton, Duo Geye
The slope of sheet is centrally formed convergence at skeleton, forms above-mentioned center recess.
Yet further, above-mentioned blade is in formation mountain peak, the junction shape of its body Yu slope
Protrusion, multiple protrusions arrange with circle form, the circle that the plurality of protrusion is constituted
Diameter is 1/2nd of the race diameter of skeleton.
Further, the space between outer ring and its center of skeleton is divided by above-mentioned multiple blades
Being divided into multiple space cell, the plurality of space cell constitutes multiple space cell groups, and this space is single
Multiple space cells that width is different are included in tuple.
Yet further, above-mentioned space cell group includes the first space cell, second space list
Unit, the 3rd space cell, the 4th space cell and the 5th space cell, the first space cell
Width is minimum, and the width of second space unit and the 5th space cell is identical and maximum, and the 3rd is empty
Between the width of unit and the 4th space cell identical and between the width and of the first space cell
Two space cells, the 5th space cell width between.
Further, it is nested that above-mentioned center recess is provided with center, and this center nesting is used for
Connect the power output shaft of electromotor.
Yet further, the longitudinal section of above-mentioned center nesting is isosceles trapezoid.
The present invention uses having the beneficial effects that of above technical scheme: the blade arranged by spiral
The center recess formed on frame center position, when fan rotates, fan center
Air flows out to fan surrounding in the effect of centrifugal force, the heart depressed part shape wherein of fan now
Becoming vacuum environment, under the effect of atmosphere negative pressure, on fan, the wind of close center recess starts again
Flow to fan surrounding, form wind and circulate the most back and forth, thus on the one hand make the wind of fan
Amount can strengthen, and the wind part simultaneously constantly circulated in fan center and fan surrounding can be entered
Entering to generator, the gap location between electromotor and fan simultaneously, when fan center
Distinguished and admirable go out fan time, fan four weekly assembly forms certain negative pressure, the wind of fan surrounding the most also to
Fan center flows, and forms flowing with the wind that this drives generator external, carrys out cooled electric generator
Outside, so that the inside and outside of electromotor can be cooled down.
Accompanying drawing explanation
Fig. 1 is the structural representation of the inside and outside cooling type electromotor of the present invention.
Fig. 2 is the structure sectional view of the inside and outside cooling type electromotor of the present invention.
Fig. 3 is the structure section view of fan involved in the inside and outside cooling type electromotor of the present invention
Figure.
Fig. 4 is the axonometric chart of fan involved in the inside and outside cooling type electromotor of the present invention.
Fig. 5 is the end face of the blade of fan involved in the inside and outside cooling type electromotor of the present invention
Figure.
Label declaration:
| Label | Component names |
| 1 | Fan |
| 11 | Skeleton |
| 111 | Outer ring |
| 12 | Space cell group |
| 13 | Space cell |
| 131 | First space cell |
| 132 | Second space unit |
| 133 | 3rd space cell |
| 134 | 4th space cell |
| 135 | 5th space cell |
| 2 | Blade |
| 21 | Center recess |
| 22 | Slope |
| 23 | Protrusion |
| 3 | Electromotor |
| 31 | Power output shaft |
| 32 | Drive end bearing bracket |
| 33 | Rear end cap |
| 34 | Rotor |
| 35 | Stator |
| 36 | Fastening bolt |
| 37 | Hanging bolt |
| 38 | Pad |
| 4 | Suit parts |
| 41 | Center is nested |
| 42 | Swivel nut |
| 5 | Gap |
| Arrow | The flow direction of wind |
Detailed description of the invention
Describe the preferred embodiment of the present invention below in conjunction with the accompanying drawings in detail.
In order to reach the purpose of the present invention, as Figure 1-5, at the inside and outside cooling type of the present invention
In the some of them embodiment of electromotor, the power output shaft 31 (i.e. armature spindle) of electromotor 3
On fan 1 is installed, after this fan 1 is installed on power output shaft 31, with electromotor 3
Between vacated an intersegmental gap 5, this fan includes skeleton 11 and blade 2, multiple blades 2 by
Outer ring 111 heart wherein of skeleton 11 helically enters, and the height of this blade 2 is by skeleton
Outer ring 111 heart wherein of 11 gradually reduces, in being formed on skeleton 11 by this blade 2
Heart depressed part 21, power output shaft 31 is connected in this center recess 21.
The central concave that the blade 2 arranged by spiral is formed on skeleton 11 center
Portion 21, when fan 1 rotates, the air at fan 1 center in the effect of centrifugal force to fan 1
Surrounding flows out, and the heart depressed part 21 wherein of fan 1 now forms vacuum environment, at air
On the lower fan 1 of the effect of negative pressure, the wind near center recess 21 starts again to fan 1 surrounding
Flowing, forms wind and circulates the most back and forth, thus on the one hand the air quantity of fan 1 can be added
Greatly, the wind part simultaneously constantly circulated at fan 1 center and fan 1 surrounding can enter into
Electromotor 3 is internal, simultaneously the gap location between electromotor 3 and fan 1, when in fan 1
The heart distinguished and admirable go out fan 1 time, fan 1 four weekly assembly forms certain negative pressure, fan 1 surrounding
Wind the most also to fan 1 center flow, drives the wind outside electromotor 3 to form flowing with this,
Come the outside of cooled electric generator 3, so that the inside and outside of electromotor 3 can be cooled down.
Wherein, in order to add the intensity of strong wind fan 1, fan 1 can use nylon structure, it is ensured that
Intensity and certain thermostability；And in electromotor 3 in addition to power output shaft 31, also may be used
To be provided with drive end bearing bracket 32, rear end cap 33, rotor 34, stator 35, fastening as routine
Bolt 36 and hanging bolt 37 go, and its installation process includes: drive end bearing bracket 32 is arranged on driving
On device (not shown), rotor 34 is fixed on the output shaft (not shown) of driving means
On, stator 35 is arranged on drive end bearing bracket 32, then rear end cap 33 is installed on stator 35,
With multiple hanging bolts 37 (such as four), drive end bearing bracket 32 and rear end cap 33 are fixed
Connect, fan 1 is installed on power output shaft 31, then with fastening bolt 36 shimming 38
Fan 1, rotor 34 etc. are fastened on the output shaft of driving means together.
And as further improving, the width in above-mentioned gap 5 is more preferably less than the height of fan 1
Degree, preferably can stay wind in gap 5, prevent from making because of excesssive gap wind from gap
In 5, large area floor drain is walked, thus affects cooling effect, and in the situation less than fan 1 height
Under, the width in gap 5 can be preferably set up 1-2cm.
Center recess 21 can be formed in several ways, is described below a kind of by changing
Blade 2 shape and structure form the mode of this center recess 21, as in Figure 3-5,
One end of blade 2 is centrally formed slope 22, the slope of multiple blades 2 to skeleton 11
22 in the convergence that is centrally formed of skeleton 11, forms center recess 21, and this slope 22 is excellent
Selection of land part in center recess 21 can also have the cambered surface of indent, wind of being more convenient for
Flowing, to form vacuum environment.
As in Figure 3-5, blade 2 is on the formation mountain peak, junction of its body Yu slope 22
The protrusion 23 of shape, multiple protrusions 23 can also be with circle form (in Fig. 5 shown in dotted line)
Arrangement, the diameter of this circle can also is that 1/2nd of outer ring 111 diameter of skeleton 11,
So that outer ring 111 is in a most suitably distance to the distance of center recess 21
On, it is unlikely to affect air quantity apart from the least, causes the most greatly air leakage phenomena.
As illustrated in figures 4-5, multiple blades 2 are by between outer ring 111 and its center of skeleton 11
Space be separated into multiple space cell 13, multiple space cells 13 constitute multiple space cell
Group 12, includes multiple space cells 13 that width is different in space cell group 12.Wherein,
Specifically, space cell group 12 can include the first space cell 131, second space unit
132, the 3rd space cell the 133, the 4th space cell 134 and the 5th space cell 135, the
The width of one space cell 131 is minimum, second space unit 132 and the 5th space cell 135
Width identical and maximum, the 3rd space cell 133 and the width phase of the 4th space cell 134
Same and single between width and second space unit the 132, the 5th space of the first space cell 131
Between the width of unit 135.
By the setting of this structure, so that wind is when by the space cell of different in width,
So that the increase that air quantity is progressively, during particular by five space cells 135, Ke Yitong
Cross more air quantity, by the 3rd space cell 133 and the 4th space cell 134, Ke Yifen
Become two strands of wind, increase air quantity after addition further, the most again by the first space cell 131
With second space unit 132, by a little big setting, again increase air quantity.
As in Figure 3-5, center recess 21 is provided with suit parts 4, these suit parts 4
For connecting the rotation output block 3 of electromotor.Wherein, specifically, suit parts 4 are permissible
Swivel nut 42 including nested 41 41 both sides nested with being positioned at center, center.Center nested 41 is also
Metal material can be used, it is ensured that installation strength, and nested longitudinal section, center can also in etc.
Waist is trapezoidal, it is also possible to guarantee installation strength.
The work process of the present invention is introduced: the arrow of emphasis such as Fig. 2 and 3 below in conjunction with Fig. 1-5
Indication, after power output shaft 3 drives fan 1 to rotate, the center recess 21 of fan 1
Air flows out to fan 1 surrounding in the effect of centrifugal force, fan 1 heart wherein depression now
Portion 21 forms vacuum environment, near center recess on fan 1 under the effect of atmosphere negative pressure
The wind of 21 starts again to flow to fan 1 surrounding, forms wind and circulates the most back and forth, a part of wind
Entering into generator, the gap location between electromotor 3 and fan 1, works as center simultaneously
Depressed part 21 distinguished and admirable go out fan 1 time, fan 1 four weekly assembly forms certain negative pressure, fan 1
The wind of surrounding also flows to center recess 21 simultaneously, drives the wind outside electromotor 3 with this
Form flowing.
Above-described is only the preferred embodiment of the present invention, it is noted that for this area
Those of ordinary skill for, without departing from the concept of the premise of the invention, it is also possible to do
Going out some deformation and improvement, these broadly fall into protection scope of the present invention.
Claims (10)
1. cooling type electromotor inside and outside, including electromotor and to be installed on the power of described electromotor defeated
Fan on shaft, it is characterised in that described fan is installed on the power output shaft of described electromotor
After on, having gap between described fan and described electromotor, described fan includes skeleton and blade,
Multiple described blades are helically entered by the outer ring heart wherein of described skeleton, and the height of described blade
Degree is gradually reduced by the outer ring heart wherein of described skeleton, by described blade shape on described skeleton
Becoming center recess, the power output shaft of electromotor is connected in described center recess.
Inside and outside cooling type electromotor the most according to claim 1, it is characterised in that described
Before and after on motor, two ends are arranged with drive end bearing bracket and rear end cap, described gap be positioned at described rear end cap with
Between described fan.
Inside and outside cooling type electromotor the most according to claim 1 and 2, it is characterised in that institute
State the width height less than described fan in gap.
Inside and outside cooling type electromotor the most according to claim 1 and 2, it is characterised in that institute
The width stating gap is 1-2cm.
Inside and outside cooling type electromotor the most according to claim 1, it is characterised in that described leaf
One end of sheet is to the slope that is centrally formed of described skeleton, and the slope of multiple described blades is described
Skeleton be centrally formed convergence, form described center recess.
Inside and outside cooling type electromotor the most according to claim 5, it is characterised in that described leaf
Sheet is at the protrusion of its body Yu formation mountain peak, the junction shape of described slope, multiple described protuberances
Portion arranges with circle form, outside the described skeleton of diameter of the circle that multiple described protrusions are constituted
/ 2nd of loop diameter.
Inside and outside cooling type electromotor the most according to claim 1, it is characterised in that Duo Gesuo
State blade and the space between the outer ring of described skeleton and its center is separated into multiple space cell, institute
State multiple space cell and constitute multiple space cell groups, in described space cell group, include width not
Same multiple space cells.
Inside and outside cooling type electromotor the most according to claim 7, it is characterised in that described sky
Between unit group include the first space cell, second space unit, the 3rd space cell, the 4th space
Unit and the 5th space cell, the width of described first space cell is minimum, described second space list
Unit is identical and maximum with the width of the 5th space cell, and described 3rd space cell and the 4th space are single
The width of unit identical and between the width of described first space cell and described second space unit, the
Between the width of five space cells.
Inside and outside cooling type electromotor the most according to claim 1, it is characterised in that in described
It is nested that heart depressed part is provided with center, and described center nesting is for connecting the power output shaft of electromotor.
Inside and outside cooling type electromotor the most according to claim 9, it is characterised in that in described
The longitudinal section of heart nesting is isosceles trapezoid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510368014.3A CN106329826A (en) | 2015-06-29 | 2015-06-29 | Inside and outside cooled generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510368014.3A CN106329826A (en) | 2015-06-29 | 2015-06-29 | Inside and outside cooled generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106329826A true CN106329826A (en) | 2017-01-11 |
Family
ID=57722721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510368014.3A Pending CN106329826A (en) | 2015-06-29 | 2015-06-29 | Inside and outside cooled generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106329826A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106992632A (en) * | 2017-06-06 | 2017-07-28 | 大连碧蓝节能环保科技有限公司 | Casing internal circulation air-cooled external rotor brushless DC motor |
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| CN1845424A (en) * | 2006-03-22 | 2006-10-11 | 上海警华实业发展有限公司 | Dual air-cooling control mechanism of rare earth dynamo magneto |
| CN101233328A (en) * | 2005-08-01 | 2008-07-30 | 大金工业株式会社 | Axial flow fan |
| CN202883474U (en) * | 2012-09-10 | 2013-04-17 | 江门市江海区三保塑料五金有限公司 | Ceiling fan and leaf structure thereof |
| US20130292096A1 (en) * | 2012-05-03 | 2013-11-07 | Silverstone Technology Co., Ltd. | Heat dissipating fan and fan wheel |
| CN204156669U (en) * | 2014-10-16 | 2015-02-11 | 湖南南车时代电动汽车股份有限公司 | A kind of ventilation cooling structure having casing totally-enclosed machine |
| CN204906108U (en) * | 2015-06-29 | 2015-12-23 | 苏州金鼎机械制造有限公司 | Interior outer cooling type generator |
-
2015
- 2015-06-29 CN CN201510368014.3A patent/CN106329826A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101233328A (en) * | 2005-08-01 | 2008-07-30 | 大金工业株式会社 | Axial flow fan |
| CN1845424A (en) * | 2006-03-22 | 2006-10-11 | 上海警华实业发展有限公司 | Dual air-cooling control mechanism of rare earth dynamo magneto |
| US20130292096A1 (en) * | 2012-05-03 | 2013-11-07 | Silverstone Technology Co., Ltd. | Heat dissipating fan and fan wheel |
| CN202883474U (en) * | 2012-09-10 | 2013-04-17 | 江门市江海区三保塑料五金有限公司 | Ceiling fan and leaf structure thereof |
| CN204156669U (en) * | 2014-10-16 | 2015-02-11 | 湖南南车时代电动汽车股份有限公司 | A kind of ventilation cooling structure having casing totally-enclosed machine |
| CN204906108U (en) * | 2015-06-29 | 2015-12-23 | 苏州金鼎机械制造有限公司 | Interior outer cooling type generator |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106992632A (en) * | 2017-06-06 | 2017-07-28 | 大连碧蓝节能环保科技有限公司 | Casing internal circulation air-cooled external rotor brushless DC motor |
| CN106992632B (en) * | 2017-06-06 | 2019-01-18 | 大连碧蓝节能环保科技有限公司 | Casing internal circulation air-cooled external rotor brushless DC motor |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170111 |