CN108933497A - cooling motor - Google Patents
cooling motor Download PDFInfo
- Publication number
- CN108933497A CN108933497A CN201710375069.6A CN201710375069A CN108933497A CN 108933497 A CN108933497 A CN 108933497A CN 201710375069 A CN201710375069 A CN 201710375069A CN 108933497 A CN108933497 A CN 108933497A
- Authority
- CN
- China
- Prior art keywords
- oil
- casing
- shaft
- bearing
- wall
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 44
- 239000002826 coolant Substances 0.000 claims abstract description 18
- 239000003921 oil Substances 0.000 claims description 112
- 239000012208 gear oil Substances 0.000 claims description 2
- 230000001050 lubricating effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 6
- 238000005461 lubrication Methods 0.000 description 5
- 230000005484 gravity Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Classifications
-
- 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
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The invention discloses a kind of cooling motors, including casing, drive end bearing bracket, rear end cap, stator, rotor, shaft and bearing；One end of casing and drive end bearing bracket are tightly connected, the other end and rear end cap are tightly connected, rear end cap inner wall is formed with by the oil circuit at edge direction center, the center of shaft is equipped with oil duct along its axis direction, one end of oil duct is closed end, the other end is open end, both ends of the shaft side wall has extended through oil outlet, oil outlet is connected to close to bearing and with oil duct, casing roof is equipped with the pouring orifice being connected to seal cavity, casing inner wall is equipped with and forms coolant flow channel between groove and groove and stator, and coolant flow channel one end is connected to pouring orifice, and the other end is connected to the oil inlet of oil circuit；The oil outlet of oil circuit is connected to the open end of oil duct.Its advantages are that cooling oil can be by casing internal rotor, and shaft, the heat that bearing generates is taken out of, while cooling oil can play lubricating action to bearing very well, reduces heat and generates, improves service life of the invention.
Description
Technical field
The present invention relates to motor cooling technology, especially a kind of cooling motor.
Background technique
Motor can generally be generated greatly by rotor, stator, shaft, radiator fan and casing composition, rotor in rotary course
The heat of amount, the heat of generation mainly passes through radiator fan and shell distributes, and this radiating mode, which radiates to the appearance of motor, imitates
Fruit is relatively good, but for the high heat producing component inside motor, such as rotor, shaft and bearing, the heat that these components generate is very
Difficulty distributes；Meanwhile in order to increase the lubricant effect between shaft and bearing, the irregular bearing to shaft is needed to be added
Lubricating oil is difficult to be added since bearing is mounted in casing.
Summary of the invention
Present invention aims to solve the deficiencies of the prior art, and provides a kind of a kind of cooling motors.
A kind of technical solution of the invention：
A kind of cooling motor, including casing, drive end bearing bracket, rear end cap, stator, rotor, shaft, and it is used to support shaft
Bearing；One end of casing and drive end bearing bracket are tightly connected, and the other end and rear end cap are tightly connected, casing, drive end bearing bracket and rear end cap it
Between form seal cavity, rear end cap inner wall is formed with by the oil circuit at edge direction center, and the center of shaft is set along its axis direction
There is oil duct, one end of oil duct is closed end, and the other end is open end, and both ends of the shaft side wall has extended through oil outlet, oil outlet
It is connected to close to bearing and with oil duct, casing roof is equipped with the pouring orifice being connected to seal cavity, and casing inner wall is equipped with groove, and recessed
Coolant flow channel is formed between slot and stator, coolant flow channel one end is connected to pouring orifice, the oil inlet of the oil circuit of the other end and rear end cap
Mouth connection；The open end of the oil duct of the oil outlet and shaft of oil circuit is connected to, and the bottom of casing inner wall is equipped with oil trap, drive end bearing bracket
Or rear end cap runs through the outage having with oil sump.
A kind of preferred embodiment is that coolant flow channel includes two-way runner, and runner is to be prolonged from the top of casing inner wall to bottom
The detour groove stretched, the quantity of oil circuit are two, and one end of runner is connected to pouring orifice, and the oil inlet of the other end and oil circuit connects
It is logical.
A kind of preferred embodiment is that the inner wall of drive end bearing bracket or rear end cap is extended with oil scraper ring, and oil scraper ring is placed on that bearing is outer and gear oil
The width of ring is not less than and bearing width.
A kind of preferred embodiment is that rear end cap inner wall center is equipped with connecting tube, and one end of connecting tube is placed in oil duct, the other end
It is connected to the oil outlet of oil circuit.
In summary technical solution, beneficial effects of the present invention：Cooling oil flows into coolant flow channel, cooling oil edge from pouring orifice
Coolant flow channel flow to oil circuit, the cooling oil in coolant flow channel plays cooling effect to stator and rotor, and later, cooling oil is through oil
Road flows to the oil duct of spindle central, and in rotary course, the cooling oil in oil duct is thrown out of shaft along oil outlet, partially throws away
Cooling oil infiltrate between shaft and bearing, therefore lubrication and cooling effect can be played to shaft and bearing, after cooling or
Cooling oil after lubrication flows to oil trap under gravity, and the cooling oil in oil trap is discharged from outage；Due to cooling
Oil successively passes through the coolant flow channel of casing, oil circuit, oil duct and oil trap, is finally discharged from outage, therefore cooling oil can be very
Good shaft, the heat that bearing generates is taken out of by casing internal rotor, while cooling oil can be made to playing lubrication to bearing very well
With reduction heat generates, and improves service life of the invention.
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention,
And it can be implemented in accordance with the contents of the specification, and in order to allow above and other objects, features and advantages of the invention can
It is clearer and more comprehensible, it is special below to lift preferred embodiment, and cooperate attached drawing, detailed description are as follows.
Detailed description of the invention
Fig. 1 is perspective view of the invention；
Fig. 2 is cross-sectional view of the invention；
Fig. 3 is the cross-sectional view of casing in the present invention；
Fig. 4 is the cross-sectional view of rear end cap in the present invention；
Fig. 5 is explosive view of the invention；
Fig. 6 is the perspective view of shaft in the present invention.
Specific embodiment
As depicted in figs. 1 and 2, a kind of cooling motor, including casing 100, drive end bearing bracket 200, rear end cap 300, stator 500,
Rotor 600, shaft 500, and it is used to support the bearing 700 of shaft 500.
As depicted in figs. 1 and 2, one end of casing 100 and drive end bearing bracket 200 are tightly connected, and the other end and rear end cap 300 seal
Connection, forms seal cavity, 300 inner wall of rear end cap is formed with to be referred to by edge between casing 100, drive end bearing bracket 200 and rear end cap 300
To the oil circuit 301 at center, the center of shaft 500 is equipped with oil duct 401 along its axis direction, and one end of oil duct 401 is closed end, separately
One end is open end, and 500 both ends side wall of shaft has extended through oil outlet 402, and oil outlet 402 is close to bearing 700 and and oil duct
401 connections, 100 roof of casing are equipped with the pouring orifice 101 that be connected to seal cavity, and 100 inner wall of casing is equipped with groove, and groove and
Coolant flow channel 102 is formed between stator 500,102 one end of coolant flow channel is connected to pouring orifice 101, the other end and rear end cap 300
The oil inlet 302 of oil circuit 301 is connected to；The open end of the oil duct 401 of the oil outlet 303 and shaft 500 of oil circuit 301 is connected to, machine
The bottom of 100 inner wall of shell is equipped with oil trap 103, and drive end bearing bracket 200 or rear end cap 300, which run through, the oil extraction being connected to oil trap 103
Hole 304.
As shown in Figures 1 to 6, cooling oil flows into coolant flow channel 102 from pouring orifice 101, and cooling oil is along coolant flow channel 102
Oil circuit 301 is flowed to, the cooling oil in coolant flow channel 102 plays cooling effect to stator 500 and rotor 600, later, cooling oil warp
Oil circuit 301 flows to the oil duct 401 at 500 center of shaft, and for shaft 500 in rotary course, the cooling oil in oil duct 401 is along fuel-displaced
Hole 402 is thrown out of, and the cooling oil partially thrown away infiltrates between shaft 500 and bearing 700, therefore can be to shaft 500 and axis
It holds 700 and plays lubrication and cooling effect, the cooling oil after cooling or after lubrication flows to oil trap 103 under gravity, collects
Cooling oil in oil groove 103 is discharged from outage 304.
As shown in Figures 1 to 6, coolant flow channel 102 includes two-way runner, and runner is the top by 100 inner wall of casing
The detour groove extended to bottom, the quantity of oil circuit 301 are two, and one end of runner is connected to pouring orifice 101, the other end and
The oil inlet 302 of oil circuit 301 is connected to, and detour groove increases the stroke of runner, can preferably play cooling effect.To make
The cooling oil obtained in runner can more smoothly flow to oil circuit 301, be equipped with oil collecting path 104, oil collecting path 104 in 100 inner wall of casing
For connecting runner and oil circuit 301.
As shown in Figures 1 to 6, the inner wall of drive end bearing bracket 200 or rear end cap 300 is extended with oil scraper ring 305, and 305 sets of oil scraper ring
In bearing 700, outer and oil scraper ring 305 width is not less than and 700 width of bearing.Shaft 500 is in rotary course, in oil duct 401
Cooling oil be thrown out of along oil outlet 402, the cooling oil partially thrown away infiltrates between shaft 500 and bearing 700, and part is cold
But oil is blocked by oil scraper ring 30, so that cooling oil flows to oil trap 103.
As shown in Figures 1 to 6,300 inner wall center of rear end cap is equipped with connecting tube 306, and one end of connecting tube 306 is placed on oil duct
In 401, the other end is connected to the oil outlet 303 of oil circuit 301.
It is a specific embodiment of the invention above, it is noted that for those skilled in the art,
Various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also considered as this hair
Bright protection scope.
Claims (4)
1. a kind of cooling motor, including casing, drive end bearing bracket, rear end cap, stator, rotor, shaft, and it is used to support the axis of shaft
It holds；One end of the casing and drive end bearing bracket are tightly connected, and the other end and rear end cap are tightly connected, the casing, drive end bearing bracket and after
Seal cavity is formed between end cap, which is characterized in that the rear end cap inner wall is formed with by the oil circuit at edge direction center, described
The center of shaft is equipped with oil duct along its axis direction, and one end of the oil duct is closed end, and the other end is open end, the shaft
Both ends side wall has extended through oil outlet, and the oil outlet is connected to close to bearing and with oil duct, and the casing roof is equipped with and institute
The pouring orifice of seal cavity connection is stated, the casing inner wall is equipped with groove, and forms coolant flow channel between the groove and stator,
Described coolant flow channel one end is connected to pouring orifice, and the other end is connected to the oil inlet of the oil circuit of rear end cap；The oil circuit it is fuel-displaced
Hole is connected to the open end of the oil duct of shaft, and the bottom of the casing inner wall is equipped with oil trap, and drive end bearing bracket or rear end cap, which run through, to be had
With the outage of oil sump.
2. cooling motor according to claim 1, which is characterized in that the coolant flow channel includes two-way runner, described
Runner is the detour groove extended from the top of casing inner wall to bottom, and the quantity of the oil circuit is two, the one of runner
End is connected to pouring orifice, and the other end is connected to the oil inlet of oil circuit.
3. cooling motor according to claim 1, which is characterized in that the inner wall of the drive end bearing bracket or rear end cap is extended with gear
Oil ring, the oil scraper ring is placed on outside bearing and the width of oil scraper ring is not less than and bearing width.
4. cooling motor according to claim 1, which is characterized in that rear end cap inner wall center is equipped with connecting tube, institute
The one end for stating connecting tube is placed in oil duct, and the other end is connected to the oil outlet of oil circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710375069.6A CN108933497A (en) | 2017-05-24 | 2017-05-24 | cooling motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710375069.6A CN108933497A (en) | 2017-05-24 | 2017-05-24 | cooling motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108933497A true CN108933497A (en) | 2018-12-04 |
Family
ID=64450662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710375069.6A Pending CN108933497A (en) | 2017-05-24 | 2017-05-24 | cooling motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108933497A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109802508A (en) * | 2019-03-21 | 2019-05-24 | 宁波安信数控技术有限公司 | A kind of liquid cooling casing and its manufacturing method convenient for dynamo series |
| CN113824249A (en) * | 2021-09-03 | 2021-12-21 | 珠海格力电器股份有限公司 | Electric machine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203554162U (en) * | 2013-10-30 | 2014-04-16 | 大洋电机新动力科技有限公司 | Motor structure with internal oil cooling |
| CN204425118U (en) * | 2015-01-14 | 2015-06-24 | 上海大郡动力控制技术有限公司 | For the dynamo oil air-cooled structure of electric automobile |
| CN104953767A (en) * | 2014-03-31 | 2015-09-30 | 卡特彼勒公司 | Electric machine having rotor cooling assembly |
| CN204858880U (en) * | 2015-07-22 | 2015-12-09 | 比亚迪股份有限公司 | Cooling system and cold motor of oil of cold motor of oil |
| CN206727796U (en) * | 2017-05-24 | 2017-12-08 | 明程电机技术（深圳）有限公司 | Cool down motor |
-
2017
- 2017-05-24 CN CN201710375069.6A patent/CN108933497A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203554162U (en) * | 2013-10-30 | 2014-04-16 | 大洋电机新动力科技有限公司 | Motor structure with internal oil cooling |
| CN104953767A (en) * | 2014-03-31 | 2015-09-30 | 卡特彼勒公司 | Electric machine having rotor cooling assembly |
| CN204425118U (en) * | 2015-01-14 | 2015-06-24 | 上海大郡动力控制技术有限公司 | For the dynamo oil air-cooled structure of electric automobile |
| CN204858880U (en) * | 2015-07-22 | 2015-12-09 | 比亚迪股份有限公司 | Cooling system and cold motor of oil of cold motor of oil |
| CN206727796U (en) * | 2017-05-24 | 2017-12-08 | 明程电机技术（深圳）有限公司 | Cool down motor |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109802508A (en) * | 2019-03-21 | 2019-05-24 | 宁波安信数控技术有限公司 | A kind of liquid cooling casing and its manufacturing method convenient for dynamo series |
| CN113824249A (en) * | 2021-09-03 | 2021-12-21 | 珠海格力电器股份有限公司 | Electric machine |
| CN113824249B (en) * | 2021-09-03 | 2022-07-26 | 珠海格力电器股份有限公司 | Electric machine |
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