CN204947812U - A kind of more electric engin with refrigerating function - Google Patents
A kind of more electric engin with refrigerating function Download PDFInfo
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- CN204947812U CN204947812U CN201520753642.9U CN201520753642U CN204947812U CN 204947812 U CN204947812 U CN 204947812U CN 201520753642 U CN201520753642 U CN 201520753642U CN 204947812 U CN204947812 U CN 204947812U
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- motor stator
- oil
- oil groove
- follow
- overcoat
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Abstract
The utility model relates to aviation more electric engin field of structural design, is specifically related to a kind of more electric engin with refrigerating function, to solve the problem that in more electric engin, motor stator portion temperature is higher.More electric engin comprises: motor stator overcoat; Motor stator; Follow oil groove, be circumferentially opened on the inwall matched with motor stator outer wall of motor stator overcoat; Oil inlet and oil outlet, be all arranged on outside motor stator and put, respectively with follow oil groove and be communicated with; Lubricating oil drive unit, is communicated with oil outlet with oil inlet respectively; Lubricating oil can be circulated following in oil groove by oil inlet and oil outlet, thus by lubricating oil, motor stator outer wall is cooled, structure is simple, can meet the cooling requirement of the motor under the severe rugged environments such as engine interior small space is interior, high temperature, high mist of oil.
Description
Technical field
The utility model relates to aviation more electric engin field of structural design, is specifically related to a kind of more electric engin with refrigerating function.
Background technology
More electric engin technology is the great innovation of aircraft power system, one of following high thrust-weight ratio, high-performance enginer main development direction, compared with conventional engines, its structure there occurs revolutionary variation, and it is the large feature of one that engine spindle assembles built-in integrated starting/generator.And engine interior operational environment is harsh, motor produces large calorimetric in the course of the work simultaneously, especially the heat that during machine operation, stator produces accounts for the major part of the total quantity of heat production of motor, if heat can not be taken away in time certainly will affect engine work, even have an accident, therefore, the cooling problem of the parts such as the auxiliary bearing of such as motor stator (coil windings), rotor (comprising armature spindle, magnetic material), support motor has key technology to be solved during many power technologies should supply.
Summary of the invention
The purpose of this utility model is to provide a kind of more electric engin with refrigerating function, to solve the problem that in more electric engin, motor stator portion temperature is higher.
The technical solution of the utility model is:
Have a more electric engin for refrigerating function, comprise the motor stator that motor stator overcoat and rotation are arranged on described motor stator jacket internal, described more electric engin also comprises;
Follow oil groove, be circumferentially opened on the inwall matched with described motor stator outer wall of described motor stator overcoat;
Oil inlet and oil outlet, be all arranged on outside described motor stator and put, and is communicated with respectively with the described oil groove that follows;
Lubricating oil drive unit, is communicated with oil outlet with described oil inlet respectively, follows in oil groove described in the lubricating oil circulation in oil tank being passed into.
Alternatively, described in follow oil groove and comprise multiple, be axially uniformly distributed along described motor stator overcoat.
Alternatively, described oil inlet and described oil outlet are respectively one, described oil inlet be positioned at the axial one end of described motor stator overcoat outermost described in follow oil groove and be communicated with, described oil outlet be positioned at the described motor stator overcoat axis other end outermost described in follow oil groove and be communicated with;
Described more electric engin also comprises:
Follow oil groove UNICOM mouth, be opened on the described motor stator outer casing inner wall that to follow described in any two between oil groove, be communicated with for oil groove will be followed described in two.
Alternatively, 180 °, interval is in the circumferential followed between oil groove UNICOM mouth described in adjacent two.
Alternatively, be matched in clearance between described motor stator outer casing inner wall and described motor stator outside.
Alternatively, described more electric engin also comprises:
Sealing ring, sealing be arranged between described motor stator overcoat and described motor stator, described sealing ring comprises two, along the axial distribution of described motor stator overcoat, and described in follow oil groove between two described sealing rings.
The beneficial effects of the utility model:
The more electric engin with refrigerating function of the present utility model, the inwall matched with motor stator outer wall of motor stator overcoat is offered and follows oil groove, lubricating oil can be circulated following in oil groove by oil inlet and oil outlet, thus by lubricating oil, motor stator outer wall is cooled, structure is simple, can meet the cooling requirement of the motor under the severe rugged environments such as engine interior small space is interior, high temperature, high mist of oil.
Accompanying drawing explanation
Accompanying drawing to be herein merged in specification and to form the part of this specification, shows and meets embodiment of the present utility model, and is used from specification one and explains principle of the present utility model.
Fig. 1 is the front view (local is cutaway view) that the utility model has the more electric engin of refrigerating function;
Fig. 2 is A-A cutaway view in Fig. 1.
Embodiment
Here will be described exemplary embodiment in detail, its sample table shows in the accompanying drawings.
As depicted in figs. 1 and 2, a kind of more electric engin with refrigerating function of the present utility model; More electric engin generally includes the parts such as engine inner chamber 8, motor stator overcoat 1 and motor stator 4; Motor stator 4 rotates and is arranged on motor stator overcoat 1 inside, and motor stator overcoat 1 one end (left end in Fig. 1) and engine inner chamber 8 are fixed and extend in engine inner chamber 8.
The more electric engin with refrigerating function of the present utility model also comprises and follows oil groove 5, oil inlet 6, oil outlet 2 and lubricating oil drive unit.
Follow oil groove 5 and circumferentially offer (milling cutter mills out) on the inwall matched with motor stator 4 outer wall of motor stator overcoat 1.The width following oil groove 5 can be applicable to selecting as required, in the present embodiment, needs to ensure that lubricating oil and motor stator 4 contact surface area are not less than 50% of motor surface.
On motor stator overcoat 1, corresponding position offers and follows oil groove 5 and be communicated with through hole, and oil inlet 6 and oil outlet 2 are all arranged on the through hole of motor stator overcoat 1 by bolt.
Lubricating oil drive unit (not shown) is communicated with oil outlet 2 with oil inlet 6 respectively, follows oil groove 5 for being pumped into from oil inlet 6 by the lubricating oil in oil tank, lubricating oil finally again from oil outlet 2, with following in oil groove 5 circulate.Wherein, lubricating oil drive unit can be oil pump or other instruments be applicable to.
The more electric engin with refrigerating function of the present utility model, the inwall matched with motor stator 4 outer wall of motor stator overcoat 1 is offered and follows oil groove 5, lubricating oil can follow circulation in oil groove 5 by oil inlet 6 and oil outlet 2, thus by lubricating oil, motor stator 4 outer wall is cooled, structure is simple, easy processing, can meet the cooling requirement of the motor under the severe rugged environments such as engine interior small space is interior, high temperature, high mist of oil.
Further, the quantity following oil groove 5, oil inlet 6 and oil outlet 2 can be set to one or more as required, will be illustrated below with two embodiments.
Embodiment 1:
Preferably following oil groove 5 in the present embodiment is one; Equally, oil inlet 6 and oil outlet 2 are one; Oil inlet 6 and oil outlet respectively with follow oil groove 5 and be communicated with, lubricating oil can be circulated following in oil groove 5 by oil inlet 6 and oil outlet 2.
Embodiment 2:
Preferably follow oil groove 5 in the present embodiment for multiple, multiple oil groove 5 that follows axially is uniformly distributed along motor stator overcoat 1.
Equally, preferred oil inlet 6 and oil outlet 2 quantity are respectively one; Oil inlet 6 be arranged in the outermost oil groove 5 that follows in axial one end of motor stator overcoat 1 (left end of Fig. 1) and be communicated with, oil outlet 2 be arranged in the outermost oil groove 5 that follows of the axial other end of motor stator overcoat 1 (right-hand member of Fig. 1) and be communicated with.
Further, in the present embodiment, the more electric engin with refrigerating function also comprises and follows oil groove UNICOM mouth 7; Following oil groove UNICOM mouth 7 to offer (milling cutter mills out) and follow on motor stator overcoat 1 inwall between oil groove 5 at any two, being communicated with for following oil groove 5 by two.In addition, 180 °, interval in the circumferential between adjacent Liang Gexun oil groove UNICOM mouth 7.
Of the present utility model have in the more electric engin of refrigerating function, is preferably matched in clearance between motor stator overcoat 1 inwall and motor stator 4 outside, so as to follow lubricating oil in oil groove 5 can as much as possible with motor stator 4 wall contacts, increase cooling effect.
Further, the more electric engin with refrigerating function of the present utility model also comprises sealing ring 3; Sealing ring 3 sealing is arranged between motor stator overcoat 1 and motor stator 4; In addition, sealing ring 3 comprises two, along axis distribution, and follows oil groove 5 between two sealing rings 3, plays sealing function to lubricating oil between motor stator overcoat 1 and motor stator 4, improve stability.
Of the present utility model have in the more electric engin practice process of refrigerating function, can binding engine internal environment feature, by simulation calculation, calculate the quantity of heat production of motor under engine cavity environment, and then determine the required cooling lubricating oil flow of motor cooling; When machine operation, lubricating oil is supplied to oil inlet oil circuit by oil pump, lubricating oil is following flowing in oil groove 5, lubricating oil by with motor stator surface contact, take away the heat that in machine operation, stator produces, lubricating oil flows back to motor oil case through outlet oil circuit again, forms circulating oil path, thus realizes the cooling to motor stator.Adopt this type of cooling, as long as ensure that motor enters oil temperature, just energy basic guarantee is to the cooling effect of motor, and low to the operating environment requirements of motor, cooling structure is combined in outside motor stator and puts, and saves structure space, and structure is simple and easy to processing.
The above; be only embodiment of the present utility model; but protection range of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the change that can expect easily or replacement, all should be encompassed within protection range of the present utility model.Therefore, protection range of the present utility model should be as the criterion with the protection range of described claim.
Claims (6)
1. one kind has the more electric engin of refrigerating function, comprise motor stator overcoat (1) and rotate and be arranged on the inner motor stator (4) of described motor stator overcoat (1), it is characterized in that, described more electric engin also comprises;
Follow oil groove (5), be circumferentially opened on the inwall matched with described motor stator (4) outer wall of described motor stator overcoat (1);
Oil inlet (6) and oil outlet (2), be all arranged on described motor stator overcoat (1), is communicated with respectively with the described oil groove (5) that follows;
Lubricating oil drive unit, is communicated with oil outlet (2) with described oil inlet (6) respectively, follows in oil groove (5) described in lubricating oil circulation being passed into.
2. more electric engin according to claim 1, is characterized in that, described in follow oil groove (5) and comprise multiple, be axially uniformly distributed along described motor stator overcoat (1).
3. more electric engin according to claim 2, it is characterized in that, described oil inlet (6) and described oil outlet (2) are respectively one, described oil inlet (6) be positioned at the axial one end of described motor stator overcoat (1) outermost described in follow oil groove (5) and be communicated with, described oil outlet (2) be positioned at the axial other end of described motor stator overcoat (1) outermost described in follow oil groove (5) and be communicated with;
Described more electric engin also comprises:
Follow oil groove UNICOM mouth (7), be opened on described motor stator overcoat (1) inwall that to follow described in any two between oil groove (5), be communicated with for oil groove (5) will be followed described in two.
4. more electric engin according to claim 3, is characterized in that, to follow between oil groove UNICOM mouth (7) 180 °, interval in the circumferential described in adjacent two.
5. the more electric engin according to any one of claim 1-4, is characterized in that, is matched in clearance between described motor stator overcoat (1) inwall and described motor stator (4) outside.
6. more electric engin according to claim 5, is characterized in that, also comprises:
Sealing ring (3), sealing is arranged between described motor stator overcoat (1) and described motor stator (4), described sealing ring (3) comprises two, along the axial distribution of described motor stator overcoat (1), and described in follow oil groove (5) and be positioned between two described sealing rings (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520753642.9U CN204947812U (en) | 2015-09-25 | 2015-09-25 | A kind of more electric engin with refrigerating function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520753642.9U CN204947812U (en) | 2015-09-25 | 2015-09-25 | A kind of more electric engin with refrigerating function |
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| Publication Number | Publication Date |
|---|---|
| CN204947812U true CN204947812U (en) | 2016-01-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520753642.9U Active CN204947812U (en) | 2015-09-25 | 2015-09-25 | A kind of more electric engin with refrigerating function |
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| Country | Link |
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| CN (1) | CN204947812U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107947402A (en) * | 2017-11-21 | 2018-04-20 | 中国航发沈阳发动机研究所 | Motor stator cooling structure and there is its more electric engin |
-
2015
- 2015-09-25 CN CN201520753642.9U patent/CN204947812U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107947402A (en) * | 2017-11-21 | 2018-04-20 | 中国航发沈阳发动机研究所 | Motor stator cooling structure and there is its more electric engin |
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| GR01 | Patent grant |