CN205986499U - Motor with direct -cooled structure - Google Patents
Motor with direct -cooled structure Download PDFInfo
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- CN205986499U CN205986499U CN201620700284.XU CN201620700284U CN205986499U CN 205986499 U CN205986499 U CN 205986499U CN 201620700284 U CN201620700284 U CN 201620700284U CN 205986499 U CN205986499 U CN 205986499U
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- stator
- end cap
- motor
- inner ring
- casing
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- Motor Or Generator Cooling System (AREA)
Abstract
The utility model belongs to motor and generator field specifically provide a motor with direct -cooled structure. The utility model discloses the problem that current forced water cooling motor can not be be fully gone out the heat conduction in the motor aims at solving, the utility model discloses a motor with direct -cooled structure include encircle the stator and with the surface of the stator closely casing of laminating and the first end cover of a tip sealing this casing, be provided with first inner ring component between first end cover and the stator, make first end cover the casing the stator with first inner ring member forms a toroidal cavity jointly to let in hydraulic oil, and be provided with an inlet and a liquid outlet on a toroidal cavity. In hydraulic oil injects a toroidal cavity from the inlet, with stator winding direct contact, the exchange heat of motor, again through the liquid outlet outflow, therefore can take the most heat in the motor out of, reduce the temperature rise of motor, make the motor high -efficiently move.
Description
Technical field
The utility model belongs to motor and electrical generator fields, specifically provides a kind of motor with direct-cooled structure.
Background technology
The range of application of motor is wider, particularly in recent years, promotes manufacturing industry transition and upgrade with China, in various intelligence
In manufacture field, with motor as power and be driven control automation equipment automaticity more and more higher.This
Under trend, the equipment of the every profession and trade requirement also more and more higher to motor, for example, efficiency high, power density are big.But motor is being grown
In the operation process of time, problem of temperature rise often governs the Effec-tive Function of motor, also can reduce the use longevity of motor further
Life.
In order to ensure motor long-time steady operation, need by the temperature control of motor in a rational scope, mesh
Before, the falling temperature technique being widely adopted has natural cooling, air blast cooling, Forced water cooling etc..Wherein best the surely belonging to of cooling-down effect
Forced water cooling technology, recirculated water is typically passed through motor case by Forced water cooling, takes away the heat of motor generation, thus reaching cooling
The purpose of motor.But motor heat is not fully conducted, because the stator winding of motor and casing by Forced water cooling
All there is no directly contact with end cap, there is air centre, and the heat transfer coefficient of air is very low, and heat-transfer capability is very poor, stator winding is only
With stator contact, so its heat can only first be conducted to stator, then it is conducted to the casing of outside by stator, cause motor to work
When, shell temperature is not high, but the still very high phenomenon of motor internal temperature, seriously hinder the Effec-tive Function of motor.
Correspondingly, this area needs a kind of new cooling device to solve the above problems.
Utility model content
In order to solve the problems referred to above of the prior art, being can not be by electricity during solution existing Water Cooling Technology cooling motor
The problem that the heat of machine fully conducts, the utility model provides a kind of motor with direct-cooled structure, and this has direct-cooled
The motor of structure includes rotating shaft, the rotor being fixed to described rotating shaft, the stator around described rotor and is coiled in described stator
On stator winding, casing and envelope that described motor is also included around described stator and fitted tightly with the outer surface of described stator
Close the first end cap of an end of described casing, between described first end cap and described stator, be provided with the first inner ring member,
Described first end cap, described casing, described stator and described first inner ring member is made to be collectively forming first annular cavity, described
First annular cavity is passed into the first coolant directly to cool down described stator winding.
In the optimal technical scheme of above-mentioned motor, described first inner ring member and described first end cap be integrally formed and
Axially extend to an end of described stator from described first end cap, described first inner ring member is close in assembled state
Feud is against one end of described stator.
In the optimal technical scheme of above-mentioned motor, described first inner ring member and described stator are integrally formed and from institute
State the inner surface that stator shaft orientation extends to described first end cap, described first inner ring member hermetically supports in assembled state
Inner surface by described first end cap.
In the optimal technical scheme of above-mentioned motor, described first end cap or described casing are provided with the first inlet and
First liquid outlet, described first inlet is used for for the first coolant introducing described first annular cavity, described first liquid outlet
For the first coolant is drawn from described first annular cavity.
In the optimal technical scheme of above-mentioned motor, described motor also includes close another end of described casing
Two end caps, are provided with the second inner ring member between described second end cap and described stator so that described second end cap, described machine
Shell, described stator and described second inner ring member are collectively forming the second toroidal cavity, and described second toroidal cavity is also passed into
One coolant is directly to cool down described stator winding.
In the optimal technical scheme of above-mentioned motor, described second inner ring member and described second end cap be integrally formed and
Axially extend to another end of described stator from described second end cap, in assembled state described second inner ring member
Seal against another end described of described stator.
In the optimal technical scheme of above-mentioned motor, described second inner ring member and described stator are integrally formed and from institute
State the inner surface that stator shaft orientation extends to described second end cap, described second inner ring member hermetically supports in assembled state
Inner surface by described second end cap.
In the optimal technical scheme of above-mentioned motor, described second end cap or described casing are provided with the second inlet and
Second liquid outlet, described second inlet is used for for the first coolant introducing described second toroidal cavity, described second liquid outlet
For the first coolant is drawn from described second toroidal cavity.
In the optimal technical scheme of above-mentioned motor, in described casing, be provided with internal holes, one end of described internal holes with
Described first annular cavity connection, the other end of described internal holes is connected with described second toroidal cavity.
In yet another aspect, the utility model provides a kind of motor with direct-cooled structure, and it includes rotating shaft, is fixed to institute
State the rotor of rotating shaft, the stator around described rotor and be coiled in stator winding on described stator, described motor also includes
The first of the casing fitting tightly and an end closing described casing around described stator and with the outer surface of described stator
End cap, be provided with the first inner ring member between described first end cap and described stator so that described first end cap, described casing,
Described stator and described first inner ring member are collectively forming first annular cavity, and described first annular cavity is passed into the first cooling
Liquid is directly to cool down described stator winding；It is provided with inner passage and connect with described inner passage in described casing
Two cooling liquid inlets and the second cooling liquid outlet, described second cooling liquid inlet is used for leading to the second described inside of coolant introducing
Road, described second cooling liquid outlet is used for drawing the second coolant from described inner passage.
In the optimal technical scheme of above-mentioned motor, described motor also includes close another end of described casing
Two end caps, are provided with the second inner ring member between described second end cap and described stator so that described second end cap, described machine
Shell, described stator and described second inner ring member are collectively forming the second toroidal cavity, and described second toroidal cavity is also passed into
One coolant is directly to cool down described stator winding.
In the optimal technical scheme of above-mentioned motor, described first inner ring member and described first end cap be integrally formed and
Axially extend to an end of described stator from described first end cap, described first inner ring member is close in assembled state
Feud is against one end of described stator；And/or described second inner ring member and described second end cap one bodily form
Become and axially extend to from described second end cap another end of described stator, in assembled state in described second
Ring element seals against another end described of described stator.
In yet another aspect, the utility model provides a kind of motor with direct-cooled structure, described in rotating shaft, being fixed to
The rotor of rotating shaft, the stator around described rotor and be coiled in stator winding on described stator, described motor also includes ring
The first end of the casing fitting tightly and an end closing described casing around described stator and with the outer surface of described stator
Lid, is provided with the first inner ring member between described first end cap and described stator so that described first end cap, described casing, institute
State stator and described first inner ring member is collectively forming first annular cavity, described first annular cavity is passed into the first coolant
Directly to cool down described stator winding；Described motor also includes the second end cap closing another end of described casing, institute
State and be provided with the second inner ring member between the second end cap and described stator so that described second end cap, described casing, described stator
Be collectively forming the second toroidal cavity with described second inner ring member, described second toroidal cavity be also passed into the first coolant so that
Directly cool down described stator winding；It is provided with internal holes, one end of described internal holes and described first annular sky in described casing
Chamber connects, and the other end of described internal holes is connected with described second toroidal cavity；And on described first end cap or described casing
It is provided with inlet, described second end cap or described casing are provided with liquid outlet, described inlet is used for the first coolant
Introduce described first annular cavity, described liquid outlet is used for drawing the first coolant from described second toroidal cavity.
In the optimal technical scheme of above-mentioned motor, described first inner ring member and described first end cap be integrally formed and
Axially extend to an end of described stator from described first end cap, described first inner ring member is close in assembled state
Feud is against one end of described stator；And/or described second inner ring member and described second end cap one bodily form
Become and axially extend to from described second end cap another end of described stator, in assembled state in described second
Ring element seals against another end described of described stator.
It will be appreciated to those of skill in the art that in the technical solution of the utility model, the stator of motor or end cap
Between be provided with inner ring member, casing forms toroidal cavity together with stator, end cap and inner ring member, is used for holding coolant,
Stator winding is immersed directly in coolant, and therefore, the heat that stator winding produces is directly passed to coolant, especially when cold
But liquid be recycled for when, the temperature rise of motor can be greatly lowered, so that motor is extremely efficiently run.In other words, pass through
Setting inner ring member simultaneously coolant is passed through in toroidal cavity, and " indirect cooling structure " of the prior art is changed by the utility model
Cause " direct cooling structure ", cooling effectiveness is improved significantly.
Scheme 1, a kind of motor with direct-cooled structure, the rotor including rotating shaft, being fixed to described rotating shaft, around described turn
The stator of son and be coiled in stator winding on described stator, described motor also include around described stator and with described stator
The casing that fits tightly of outer surface and close described casing an end the first end cap it is characterised in that described first
It is provided with the first inner ring member so that described first end cap, described casing, described stator and described between end cap and described stator
First inner ring member is collectively forming first annular cavity, and described first annular cavity is passed into the first coolant so that direct cool down
Described stator winding.
Scheme 2, the motor with direct-cooled structure according to scheme 1 it is characterised in that described first inner ring member with
Described first end cap is integrally formed and axially extends to an end of described stator from described first end cap, assemble
Under state, described first inner ring member seals against one end of described stator.
Scheme 3, the motor with direct-cooled structure according to scheme 1 it is characterised in that described first inner ring member with
Described stator is integrally formed and extends to the inner surface of described first end cap from described stator shaft orientation, in assembled state
Described first inner ring member seals against the inner surface of described first end cap.
Scheme 4, the motor with direct-cooled structure according to scheme 2 or 3 it is characterised in that described first end cap or
First inlet and the first liquid outlet are provided with described casing, described first inlet is used for will be described for the first coolant introducing
First annular cavity, described first liquid outlet is used for drawing the first coolant from described first annular cavity.
Scheme 5, the motor with direct-cooled structure according to any one of scheme 1 to 4 are it is characterised in that described electricity
Machine also includes the second end cap closing another end of described casing, is provided between described second end cap and described stator
Two inner ring member are so that described second end cap, described casing, described stator and described second inner ring member are collectively forming the second ring
Shape cavity, described second toroidal cavity is also passed into the first coolant directly to cool down described stator winding.
Scheme 6, the motor with direct-cooled structure according to scheme 5 it is characterised in that described second inner ring member with
Described second end cap is integrally formed and axially extends to another end of described stator from described second end cap, is assembling
In the state of described second inner ring member seal against another end described of described stator.
Scheme 7, the motor with direct-cooled structure according to scheme 5 it is characterised in that described second inner ring member with
Described stator is integrally formed and extends to the inner surface of described second end cap from described stator shaft orientation, in assembled state
Described second inner ring member seals against the inner surface of described second end cap.
Scheme 8, the motor with direct-cooled structure according to scheme 6 or 7 it is characterised in that described second end cap or
Second inlet and the second liquid outlet are provided with described casing, described second inlet is used for will be described for the first coolant introducing
Second toroidal cavity, described second liquid outlet is used for drawing the first coolant from described second toroidal cavity.
Scheme 9, the motor with direct-cooled structure according to scheme 8 it is characterised in that being provided with described casing in
Portion hole, one end of described internal holes is connected with described first annular cavity, and the other end of described internal holes is annular with described second
Cavity connects.
Scheme 10, a kind of motor with direct-cooled structure, the rotor including rotating shaft, being fixed to described rotating shaft, around described
The stator of rotor and be coiled in stator winding on described stator, described motor also includes around described stator and fixed with described
The casing that fits tightly of outer surface of son and close described casing an end the first end cap it is characterised in that described the
It is provided with the first inner ring member so that described first end cap, described casing, described stator and institute between one end cap and described stator
State the first inner ring member and be collectively forming first annular cavity, described first annular cavity is passed into the first coolant so that directly cold
Described stator winding；It is provided with inner passage and the second cooling liquid inlet connecting with described inner passage in described casing
With the second cooling liquid outlet, described second cooling liquid inlet be used for by second coolant introduce described inner passage, described second
Cooling liquid outlet is used for drawing the second coolant from described inner passage.
Scheme 11, the motor with direct-cooled structure according to scheme 10 are it is characterised in that described motor also includes sealing
Close the second end cap of another end of described casing, between described second end cap and described stator, be provided with the second inner ring structure
Part so that described second end cap, described casing, described stator and described second inner ring member are collectively forming the second toroidal cavity,
Described second toroidal cavity is also passed into the first coolant directly to cool down described stator winding.
Scheme 12, the motor with direct-cooled structure according to scheme 10 or 11 are it is characterised in that described first inner ring
Component and described first end cap are integrally formed and axially extend to an end of described stator from described first end cap, in group
In the state of installing, described first inner ring member seals against one end of described stator；And/or described
Two inner ring member and described second end cap are integrally formed and axially extend to another of described stator from described second end cap
End, in assembled state described second inner ring member seal against another end described of described stator.
Scheme 13, a kind of motor with direct-cooled structure, the rotor including rotating shaft, being fixed to described rotating shaft, around described
The stator of rotor and be coiled in stator winding on described stator, described motor also includes around described stator and fixed with described
The casing that fits tightly of outer surface of son and close described casing an end the first end cap it is characterised in that described the
It is provided with the first inner ring member so that described first end cap, described casing, described stator and institute between one end cap and described stator
State the first inner ring member and be collectively forming first annular cavity, described first annular cavity is passed into the first coolant so that directly cold
Described stator winding；Described motor also includes the second end cap closing another end of described casing, described second end cap
It is provided with the second inner ring member so that described second end cap, described casing, described stator and described second and described stator between
Inner ring member is collectively forming the second toroidal cavity, and described second toroidal cavity is also passed into the first coolant directly to cool down institute
State stator winding；It is provided with internal holes, one end of described internal holes is connected with described first annular cavity, described in described casing
The other end of internal holes is connected with described second toroidal cavity；And it is provided with feed liquor on described first end cap or described casing
Mouthful, described second end cap or described casing are provided with liquid outlet, described inlet is used for for the first coolant introducing described the
One toroidal cavity, described liquid outlet is used for drawing the first coolant from described second toroidal cavity.
Scheme 14, the motor with direct-cooled structure according to scheme 13 are it is characterised in that described first inner ring member
It is integrally formed and axially extends to from described first end cap an end of described stator with described first end cap, assembling
In the state of described first inner ring member seal against one end of described stator；And/or in described second
Ring element and described second end cap are integrally formed and axially extend to another end of described stator from described second end cap,
Described second inner ring member seals against another end described of described stator in assembled state.
Brief description
Fig. 1 is the electric machine structure schematic diagram of existing cooling technology.
Fig. 2 is the sectional view of the first embodiment of the motor with direct-cooled structure of the present utility model.
Fig. 3 is the sectional view of the second embodiment of the motor with direct-cooled structure of the present utility model.
Fig. 4 is the sectional view of the 3rd embodiment of the motor with direct-cooled structure of the present utility model.
Specific embodiment
Preferred embodiment of the present utility model to be described with reference to the accompanying drawings.Skilled artisan would appreciate that
It is that these embodiments are used only for explaining know-why of the present utility model it is not intended that limiting protection of the present utility model
Scope.Those skilled in the art can make adjustment to it as needed, to adapt to specific application scenario.For example, although
To describe with reference to hydraulic oil in specification, but, the utility model obviously can adopt other various forms of coolants,
As long as this coolant is electric insulation in itself and the motor components such as stator winding will not be caused corrode.
It should be noted that in description of the present utility model, term " " center ", " on ", D score, "left", "right", " perpendicular
Directly ", the direction of instruction such as " level ", " interior ", " outward " or the term of position relationship are to be closed based on direction shown in the drawings or position
System, this is intended merely to facilitate description, rather than instruction or hint described device or element must have specific orientation, Yi Te
Fixed azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.Additionally, term " first ", " second ",
" the 3rd " is only used for describing purpose, and it is not intended that indicating or hint relative importance.
In addition it is also necessary to explanation, in description of the present utility model, unless otherwise clearly defined and limited, art
Language " installation ", " being connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or
It is integrally connected；Can be to be mechanically connected or electrically connect；Can be to be joined directly together it is also possible to pass through between intermediary
Connect connected, can be the connection of two element internals.To those skilled in the art, can understand as the case may be above-mentioned
Concrete meaning in the utility model for the term.
As shown in figure 1, in figure is the motor cooling of universal architecture in prior art, this motor includes rotating shaft 1, fixes
Rotor 7 in rotating shaft 1, the stator 5 of surrounding rotor 7 and be coiled in stator winding 3 on stator 5, this motor also includes ring
The casing 4 fitting tightly around stator 5 and with the outer surface of stator 5 and the first end cap 2 of sealing machine shell 4, the second end cap 6.In machine
Be provided with inner passage 11 in shell 4, and the two ends of internally passage 11 be provided with water inlet and delivery port, this motor pass through into
Low-temperature cooling water is passed through inner passage 11 by the mouth of a river, and is discharged high-temperature cooling water by delivery port.As above in background technology portion
Point described, the drawbacks of this type of cooling be, cooling medium not with thermal source (stator winding) directly contact, cooling effectiveness is relatively low.
As shown in Fig. 2 the motor with direct-cooled structure of the present utility model including rotating shaft 1, be fixed in rotating shaft 1
Rotor 7, the stator 5 of surrounding rotor 7 and be coiled in stator winding 3 on stator 5, this motor also include around stator 5 and with
Casing 4 and the first end cap 2 of sealing machine shell 4 and the second end cap 6 that the outer surface of stator 5 fits tightly.According to the side in Fig. 2
Position, the first end cap 2 is located at the left end of casing 4, and the second end cap 6 is located at the right-hand member of casing 4.
With continued reference to Fig. 2, the first end cap 2 is provided with the first inner ring member 21, the second end cap 6 is provided with the second inner ring
Component 61 is so that the first end cap 2 and the second end cap 6 constitute a closed ring cavity with casing 3 and stator 5 respectively：First
Toroidal cavity 9 and the second toroidal cavity 8.Those skilled in the art are it is also contemplated that the first inner ring member 21 can be one
Individually component or be integrally formed with the first end cap 2 and extend at the adjacent face of stator 5 or with fixed
Son 5 is integrally formed and extends at the inner surface of the first end cap 2.Second inner ring member 61 can be a single component,
Can be to be integrally formed with the second end cap 2 and extend at the adjacent face of stator 5 or be integrally formed simultaneously with stator 5
Extend at the inner surface of the second end cap 6.In either case, when assembled, inner ring member 21,61 all with end cap 2,6
Or stator 5 in sealing contact in case formed sealing toroidal cavity.Additionally, between end cap 2,6 and casing 4 and casing 4 and stator 5
Between be also required to be arranged to seal, so that the coolant in toroidal cavity will not leak out.
With continued reference to Fig. 2, two holes are opened on the left end or the first end cap 2 of casing 4 (the first oil-in, first fuel-displaced
Mouthful), two holes (the second oil-in, the second oil-out) are opened on the right-hand member or the second end cap 6 of casing 4.First coolant is excellent
Selection of land uses hydraulic oil, enters first annular cavity 9 by the first oil-in, enters the second toroidal cavity by the second oil-in
8, hydraulic oil soaks stator winding 3 grade part and by its heat absorption, then passes through the first oil-out and the second oil-out flows out,
Heat is taken away.Preferably, oil-in is arranged on the lower end of casing 4 or end cap, oil-out is arranged on casing 4 or end cap
Upper end, fully can be contacted with stator winding 3 in order to hydraulic oil, carry out heat exchange.Those skilled in the art can manage
Solution, the position relationship of oil inlet and outlet is not unalterable, can be according to specific working environment and installation environment to turnover
The position of hydraulic fluid port is adjusted.Additionally, those skilled in the art it is also understood that, except hydraulic oil is as cooling medium
Outward, other does not result in corrosion to motor (especially stator winding) and nonconducting fluid media (medium) can serve as cooling and is situated between
Matter.Furthermore, those skilled in the art it is also understood that, the left or right of casing 4 mentioned above refers on casing 4 point
Not Dui Yingyu first annular cavity 9 and the second toroidal cavity 8 transverse section, rather than the portion of casing 4 and the contact of end cap 2,6
Point.
Further, internal holes can also be set in casing 4, and one end of internal holes is connected with first annular cavity 9, internal
The other end in hole is connected with the second toroidal cavity 8.Specifically, as shown in figure 3, the electricity with direct-cooled structure of the present utility model
The second embodiment of machine includes rotating shaft 1, the rotor 7 being fixed in rotating shaft 1, the stator 5 of surrounding rotor 7 and is coiled in stator
Stator winding 3 on 5, this motor also includes around stator 5 and the outer surface with stator 5 fits tightly casing 4 and closing
First end cap 2 of casing 4 and the second end cap 6.First end cap 2 is located at the left end of casing 4, and the second end cap 6 is located at the right side of casing 4
End.First inner ring member 21 is provided with the first end cap 2, the second end cap 6 is provided with the second inner ring member 61 so that first end
Lid 2 and the second end cap 6 constitute a closed ring cavity with casing 3 and stator 5 respectively：First annular cavity 9 and the second ring
Shape cavity 8.Those skilled in the art it is also contemplated that the first inner ring member 21 can be a single component it is also possible to
It is to be integrally formed with the first end cap 2 and extend at the adjacent face of stator 5 or be integrally formed with stator 5 and extend
To at the inner surface of the first end cap 2；Second inner ring member 61 can be a single component or with the second end cap 2
It is integrally formed and extends at the adjacent face of stator 5 or be integrally formed with stator 5 and extend to the second end cap 6
At inner surface.The inside of first annular cavity 9 and the second toroidal cavity 8 is passed through the first coolant it is preferable that the first coolant is
Hydraulic oil.
With continued reference to Fig. 3, open a hole as oil-in in the left end of the first end cap 2 or casing 4, hydraulic oil is introduced
In first annular cavity 9；Open a hole as oil-out in the right-hand member of the second end cap 6 or casing 4, the hydraulic oil in motor via
This mouth flows out.Open internal holes 10 vertically in casing 4, connect first annular cavity 9 and the second toroidal cavity 8, formed
The closing stream of one connection.This kind of scheme can efficiently reduce the quantity of external oil pipe, convenient installation.Preferably, will enter,
Oil-out is arranged at the top of casing 4, the bottom that internal holes 10 are arranged on casing 4 be easy to cooling oil can fully with fixed
Sub- winding 3 contacts, heat-shift.
As shown in figure 4, the 3rd embodiment of the motor with direct-cooled structure of the present utility model includes rotating shaft 1, fixes
To the rotor 7 of rotating shaft 1, the stator 5 of surrounding rotor 7 and be coiled in stator winding 3 on stator 5, this motor also includes cincture
Casing 4 and the first end cap 2 of sealing machine shell 4, the second end cap 6 that stator 5 outer surface with stator 5 fit tightly.First end
Lid 2 is located at the left end of casing 4, and the second end cap 6 is located at the right-hand member of casing 4.First inner ring member 21 is provided with the first end cap 2,
Second inner ring member 61 is provided with the second end cap 6 so that the first end cap 2 and the second end cap 6 respectively with casing 3 and stator 5
Constitute a closed ring cavity：First annular cavity 9 and the second toroidal cavity 8.Those skilled in the art it is also contemplated that
First inner ring member 21 can be a single component or be integrally formed with the first end cap 2 and extend to stator 5
It is integrally formed at adjacent face or with stator 5 and extends at the inner surface of the first end cap 2；Second inner ring member 61
Can be a single component or be integrally formed with the second end cap 2 and extend at the adjacent face of stator 5,
Can be to be integrally formed with stator 5 and extend at the inner surface of the first end cap 2.First annular cavity 9 and the second toroidal cavity 8
Inside be passed through the first coolant it is preferable that the first coolant be hydraulic oil.
With continued reference to Fig. 4, in casing 4, it is provided with inner passage 11, and has two mouths, one is water inlet, and one is
Delivery port.Outside second coolant is connected with water inlet.Preferably, the second coolant is not have corrosive cooling water.Electricity
During machine work, first pass through hydraulic oil and the heat transfer on stator winding 3 is given son 5 and casing 4, the heat on stator 5 enters one
Step passes to casing 4, then carries out heat exchange by the second coolant flowing through the inner passage 11 on casing 4 with casing 4, enters
One step, high-temperature water is discharged by the second coolant by delivery port.
With continued reference to Fig. 4, on the basis of this kind of scheme, the left end or the first end cap 2 of casing 4 open two holes
(oil-in, oil-out), opens two holes (oil-in, oil-out), to circulate on the right-hand member or the second end cap 6 of casing 4
Hydraulic oil, thus cool down to motor under the double action with cooling water for the hydraulic oil.
Above-mentioned three kinds of embodiments, are all by between stator winding 3 and motor housing 4 and end cap 2,6 by hydraulic oil
Gap is filled up, and using hydraulic oil as direct heat transmitting medium, than using air as indirect heat transmitting medium, greatly improves
The efficiency of heat exchange.
So far, describe the technical solution of the utility model already in connection with preferred embodiment shown in the drawings, but, this
Skilled person is it is easily understood that protection domain of the present utility model is expressly not limited to these specific embodiments.?
On the premise of principle of the present utility model, those skilled in the art can make equivalent change to correlation technique feature
Or replace, the technical scheme after these are changed or replace it falls within protection domain of the present utility model.
Claims (9)
1. a kind of motor with direct-cooled structure, the rotor including rotating shaft, being fixed to described rotating shaft, the stator around described rotor
And it is coiled in stator winding on described stator, described motor also includes around described stator and the outer surface with described stator
First end cap of one end of the casing fitting tightly and the described casing of closing,
It is characterized in that, be provided with the first inner ring member between described first end cap and described stator so that described first end cap,
Described casing, described stator and described first inner ring member are collectively forming first annular cavity, and described first annular cavity is led to
Enter the first coolant directly to cool down described stator winding.
2. the motor with direct-cooled structure according to claim 1 it is characterised in that described first inner ring member with described
First end cap is integrally formed and axially extends to an end of described stator from described first end cap, in the state assembling
Under described first inner ring member seal against one end of described stator.
3. the motor with direct-cooled structure according to claim 1 it is characterised in that described first inner ring member with described
Stator is integrally formed and extends to from described stator shaft orientation the inner surface of described first end cap, described in assembled state
First inner ring member seals against the inner surface of described first end cap.
4. the motor with direct-cooled structure according to Claims 2 or 3 is it is characterised in that described first end cap or described
First inlet and the first liquid outlet are provided with casing, described first inlet is used for for the first coolant introducing described first
Toroidal cavity, described first liquid outlet is used for drawing the first coolant from described first annular cavity.
5. the motor with direct-cooled structure according to claim 4 is it is characterised in that described motor is also included described in closing
Second end cap of another end of casing, be provided with the second inner ring member between described second end cap and described stator so that
Described second end cap, described casing, described stator and described second inner ring member are collectively forming the second toroidal cavity, and described second
Toroidal cavity is also passed into the first coolant directly to cool down described stator winding.
6. the motor with direct-cooled structure according to claim 5 it is characterised in that described second inner ring member with described
Second end cap is integrally formed and axially extends to another end of described stator from described second end cap, in the shape assembling
Under state, described second inner ring member seals against another end described of described stator.
7. the motor with direct-cooled structure according to claim 5 it is characterised in that described second inner ring member with described
Stator is integrally formed and extends to from described stator shaft orientation the inner surface of described second end cap, described in assembled state
Second inner ring member seals against the inner surface of described second end cap.
8. the motor with direct-cooled structure according to claim 6 is it is characterised in that described second end cap or described casing
On be provided with the second inlet and the second liquid outlet, described second inlet be used for by first coolant introduce described second annular
Cavity, described second liquid outlet is used for drawing the first coolant from described second toroidal cavity.
9. the motor with direct-cooled structure according to claim 8 is it is characterised in that be provided with inside in described casing
Hole, one end of described internal holes is connected with described first annular cavity, and the other end of described internal holes is empty with described second annular
Chamber connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620700284.XU CN205986499U (en) | 2016-07-05 | 2016-07-05 | Motor with direct -cooled structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620700284.XU CN205986499U (en) | 2016-07-05 | 2016-07-05 | Motor with direct -cooled structure |
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| Publication Number | Publication Date |
|---|---|
| CN205986499U true CN205986499U (en) | 2017-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620700284.XU Expired - Fee Related CN205986499U (en) | 2016-07-05 | 2016-07-05 | Motor with direct -cooled structure |
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| Country | Link |
|---|---|
| CN (1) | CN205986499U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106160341A (en) * | 2016-07-05 | 2016-11-23 | 北京超同步伺服股份有限公司 | There is the motor of direct-cooled structure |
| CN108574376A (en) * | 2017-03-13 | 2018-09-25 | 舍弗勒技术股份两合公司 | Hub drive and its cooling jacket |
-
2016
- 2016-07-05 CN CN201620700284.XU patent/CN205986499U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106160341A (en) * | 2016-07-05 | 2016-11-23 | 北京超同步伺服股份有限公司 | There is the motor of direct-cooled structure |
| CN108574376A (en) * | 2017-03-13 | 2018-09-25 | 舍弗勒技术股份两合公司 | Hub drive and its cooling jacket |
| CN108574376B (en) * | 2017-03-13 | 2022-04-08 | 舍弗勒技术股份两合公司 | Hub driver and cooling water jacket thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 101500 No. 9 Yunxi Sixth Street, Miyun District Economic Development Zone, Beijing Patentee after: Super Synchronization Co., Ltd. Address before: 101500. 200 meters West Village, ten Li village, Miyun District, Beijing Patentee before: BEIJING CHAOTONGBU SERVO CO., LTD. |
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| CP03 | Change of name, title or address | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170222 Termination date: 20200705 |
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| CF01 | Termination of patent right due to non-payment of annual fee |