CN207459918U - A kind of three recycle oil cooling system of high speed permanent motor and high speed permanent motor - Google Patents
A kind of three recycle oil cooling system of high speed permanent motor and high speed permanent motor Download PDFInfo
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- CN207459918U CN207459918U CN201721668363.8U CN201721668363U CN207459918U CN 207459918 U CN207459918 U CN 207459918U CN 201721668363 U CN201721668363 U CN 201721668363U CN 207459918 U CN207459918 U CN 207459918U
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Abstract
The utility model discloses a kind of three recycle oil cooling system of high speed permanent motor and high speed permanent motors, motor includes stator, it is located at the clutch shaft bearing at motor shaft driving end and the second bearing of anti-drive end, stator includes stator core and stator winding, oil cooling system includes oil return box, oil pump, heat exchanger, to the first cooler of stator core cooling, the second cooler to clutch shaft bearing cooling and the 3rd cooler to second bearing cooling, oil return box, oil pump, heat exchanger, first cooler, oil return box is linked in sequence to form the first oil cooling loop, oil return box, oil pump, heat exchanger, second cooler, oil return box is linked in sequence to form the second oil cooling loop, oil return box, oil pump, heat exchanger, 3rd cooler, oil return box is linked in sequence to form the 3rd oil cooling loop.The oil cooling system contacts directly respectively with the high temperature dot in motor operation course, is directly radiated by conducting, good heat dissipation effect, and cooling efficiency is higher.
Description
Technical field
The utility model is related to permanent magnet motor technical fields, and in particular to a kind of three circulation oil-cooling of high speed permanent motor
But system and high speed permanent motor.
Background technology
It is well known that motor be it is a kind of electric energy is converted into the device of mechanical energy, and electric energy is converted into mechanical energy, needed
Initially set up a platform, here it is magnetic field, motor while operation absorbs electric energy outputting machine tool energy, can generate iron loss,
Copper loss, machinery consumption and stray loss, these losses can make the motor of operation generate heat, will make motor temperature if do not controlled
Rise makes the insulation system premature ageing or initial failure of motor.To make motor temperature control in scope as defined in standard
Interior, motor generally cools down motor using air cooling system, i.e., the heat that motor stator, rotor generate is passed through internal wind
The mode of fan convection current, radiation and conduction, which is transferred, to be converged on engine base outer round surface, and a constant current is generated through cooling fan outside motor
Amount, the cooling air-flow of certain pressure are taken away heat using convection type by engine base surface radiating muscle, so that motor obtains
To cooling.
With China's expanding economy, scientific and technological innovation, some equipment propose motor dedicated requirement, especially
It is required that electronic energy efficiency reach 2 grades or more, it is small, light-weight.Require motor cooling system big, cold with enthalpy therewith
New cooling technology efficient, with high content of technology.
Based on this, the rotor structure of efficient stator and rare earth permanent magnet is taken in the prior art, improves frequency conversion forever
The conversion frequency of magnet motor, so ensure Motor Energy Efficiency grade reach state compulsory standard GB30253-2013 regulation
2 grades and more than, motor bed-plate number reduces 3 ~ 6 seat No., electronic in the prior art after the seat No. of motor reduces
Machine is cooled down using air cooling system just has certain deficiency, as air quantity and wind pressure cannot meet the cold of high speed permanent motor
But require.
Utility model content
The purpose of this utility model is the deficiency for existing method, provides one kind and disclosure satisfy that high-power, small seat No.
Permanent magnet motor cooling required three recycle oil cooling system of high speed permanent motor.
In order to achieve the above objectives, the scheme of the utility model use is：
A kind of three recycle oil cooling system of high speed permanent motor, motor include stator, and the stator includes stator iron
The heart and stator winding, the motor further includes the clutch shaft bearing for being arranged on motor shaft driving end and to be arranged on the motor shaft non-
The second bearing at end is driven, the oil cooling system includes oil return box, oil pump, heat exchanger, is arranged at the stator core
For the stator core is cooled down the first cooler, be arranged at the clutch shaft bearing be used for the clutch shaft bearing
The second cooler for being cooled down and being arranged on is used to cool down the second bearing the 3rd cold at the second bearing
But device, the oil return box, the oil pump, the heat exchanger, first cooler, the oil return box are linked in sequence shape successively
Into the first oil cooling loop, the oil return box, the oil pump, the heat exchanger, second cooler, the oil return box according to
It is secondary to be linked in sequence to form the second oil cooling loop, the oil return box, the oil pump, the heat exchanger, the 3rd cooler,
The oil return box is linked in sequence to form the 3rd oil cooling loop successively.
Preferably, first cooling body is located at the outside of the stator, and the stator further includes engine base, and described first
Oil cooler include be arranged on the outer circumference surface of the engine base be used for for cooling oil by first passage, be set in the machine
Shell and the first seal that is arranged between the engine base and the shell outside seat, the first passage are twist tied
Structure.
Further, the length of first cooler is more than the length of the stator core, length phase therebetween
Poor 20 ~ 40mm.
Preferably, second cooler includes the bottom plate and cover board, the setting that are fixedly connected with the 3rd cooler
Second seal between the bottom plate and the cover board, the bottom plate be equipped with for cooling oil by second channel, institute
State second channel twist structure.
Further, the bottom plate is equipped with multiple annular grooves, is all provided on each annular groove there are one opening, in institute
State annular groove opening be equipped with make the annular groove with and the deflector that is conducted of its adjacent annular groove.
Preferably, first oil cooling loop, second oil cooling loop and the 3rd oil cooling loop are in parallel
It sets.
Preferably, the three recycle oil cooling system further includes the temperature sensor being arranged in the stator winding.
Preferably, the three recycle oil cooling system further includes the flow-rate adjustment in the exit for being arranged on the oil return box
Valve.
Preferably, the three recycle oil cooling system further includes the blowdown valve for being arranged on the oil return box bottom and is arranged on
Overflow valve in the oil return box.
The utility model also provides a kind of high speed permanent motor, and the motor has such as described in any one of the above embodiments three
Recycle oil cooling system.
Due to the utilization of said program, the utility model has following advantages compared with the conventional method：The utility model
Three recycle oil cooling system of high speed permanent motor respectively with the high temperature dot in motor operation course：At stator core, drive
It contacts directly at end bearing and at non-driven-end bearing, is directly radiated by conducting, the first cooler, the second cooler and the 3rd
Cooler inlet and outlet differential oil temperature is big, and cooling oil enthalpy is big so that good heat dissipation effect so that cooling efficiency is higher, can meet
The cooling required of high-power, small seat No. permanent magnet motor.
Description of the drawings
Attached drawing 1 is the structure diagram of the three recycle oil cooling system of high speed permanent motor of the utility model；
Attached drawing 2 is the structure diagram of first cooler of the utility model；
Attached drawing 3 is second cooler of the utility model and the structure diagram of the 3rd cooler；
Attached drawing 4 for the utility model the second cooler and the 3rd cooler bottom plate structure diagram.
Wherein：1st, oil return box；11st, blowdown valve；12nd, overflow valve；2nd, oil pump；3rd, heat exchanger；4th, the first cooler；41、
First oil inlet；42nd, the first oil outlet；43rd, first passage；5th, the second cooler；51st, the second oil inlet；52nd, second is fuel-displaced
Mouthful；53rd, bottom plate；54th, cover board；55th, second channel；56th, deflector；6th, the 3rd cooler；61st, the 3rd oil inlet；62nd, the 3rd goes out
Hydraulic fluid port；63rd, bottom plate；64th, cover board；65th, second channel；66th, deflector；71st, the first cooling oil pipeline；72nd, the second oil cooling service pipe
Road；73rd, the 3rd cooling oil pipeline；8th, temperature sensor；9th, flow control valve；10th, oil leakage alarm；100th, stator；101st, it is fixed
Sub- iron core；102 stator winding；103rd, engine base；200th, motor shaft；300th, clutch shaft bearing；400th, second bearing.
Specific embodiment
It is further elaborated in the following with reference to the drawings and specific embodiments come the method scheme to the utility model.
The three recycle oil cooling systems of the utility model are arranged on high speed permanent motor, for electronic to high-speed permanent magnetic
Machine is cooled down.High speed permanent motor includes stator 100, and stator 100 includes stator core 101, stator winding 102 and engine base
103, motor further includes the clutch shaft bearing 300 at the driving end for being arranged on motor shaft 200 and is arranged on the non-driven of motor shaft 200
The second bearing 400 at end.
As shown in Figure 1, the three recycle oil cooling systems of the utility model include oil return box 1, oil pump 2, heat exchanger 3, set
It puts and the first cooler 4 cooled down to stator core 101 is used at stator core 101, be arranged at clutch shaft bearing 300 and use
In the second cooler 5 cooled down to clutch shaft bearing 300 and being arranged at second bearing 400 be used for second bearing 400 into
3rd cooler 6 of row cooling.In the present embodiment, heat exchanger 3 uses oil-air heat exchanger.
First cooler 4 has the first oil inlet 41 and the first oil outlet 42, and the second cooler 5 has the second oil inlet 51
With the second oil outlet 52, the 3rd cooler 6 has the 3rd oil inlet 61 and the 3rd oil outlet 62.Oil return box 1, oil pump 2, heat exchange
Device 3, the first cooler 4 the first oil inlet 41 between be linked in sequence by the first cooling oil pipeline 71 and the first cooler 4
The first oil outlet 42 and oil return box 1 between also by the first cooling oil pipeline 71 connect after form the first oil cooling loop.It returns
Fuel tank 1, oil pump 2, heat exchanger 3, the second cooler 5 the second oil inlet 51 between connected by 72 order of the second cooling oil pipeline
Connect and the second oil outlet 52 and oil return box 1 of the second cooler 5 between also by the second cooling oil pipeline 72 connect after formed
Second oil cooling loop.Oil return box 1, oil pump 2, heat exchanger 3, the 3rd cooler 6 the 3rd oil inlet 61 between pass through the 3rd
Cooling oil pipeline 73 be linked in sequence and the 3rd oil outlet 62 of the 3rd cooler 6 and oil return box 1 between also by the 3rd cooling
Oil pipe line 73 forms the 3rd oil cooling loop after connecting.
Three first oil cooling loop, the second oil cooling loop and the 3rd oil cooling loop circulation loops are each independent,
Three circulation loops are arranged in parallel, in this way, can make the oil temperature at the first oil inlet 41, the second oil inlet 51 and the 3rd oil inlet 61
Unanimously so that the first oil inlet 41 and the first oil outlet 42, the second oil inlet 51 and the second oil outlet 52, the 3rd oil inlet 61 with
The temperature difference between 3rd oil outlet 62 increases, and so as to promote the enthalpy of cooling oil, enhances cooling efficiency.In the present embodiment, three
Cooling oil in a oil cooling loop uses No. 10 turbine oils.
First cooler 4 structure, and be set in the outside of stator 100 in a ring, the first oil cooler include being arranged on machine
Be used on the outer circumference surface of seat 103 for cooling oil by first passage 43, the shell that is set in outside engine base 103 and be arranged on
For preventing first seal 44 that cooling oil leaks between engine base 103 and shell, the twist structure of first passage 43, this
Sample can increase the contact area of first passage 43 and cooling oil, so that heat dissipation area in the limited length of the first cooler 4
Increase, to improve radiating efficiency.First oil inlet 41 and the first oil outlet 42 are respectively provided on the shell.
The peak of the temperature of general stator winding 102 is set in the range of 10 ~ 20mm of notch of stator winding 102
The length for counting the first cooler 4 is more than the length of stator core 101, and length therebetween differs 20 ~ 40mm, in this way, first
Cooler 4 just can cover the high temperature dot on stator 100.To monitor the temperature of stator winding 102 in real time, three circulation oil-cooling
But system further includes the temperature sensor 8 being embedded in stator winding 102, and temperature sensor 8 includes the first temperature sensor, when
When the temperature of stator winding 102 is more than the setting value of the first temperature sensor, the first temperature sensor can send alarm signal.It is excellent
Temperature sensor 8 is selected to further include second temperature sensor, continues untreated, stator when the first temperature sensor sends alarm signal
When 102 constant temperature of winding increases above the setting value of second temperature sensor, trip signal is sent.First temperature sensor
Setting value and second temperature sensor setting value between differ 10K.
Second cooler 5 and the 3rd cooler 6 are respectively fixedly disposed on electric motor end cap, and motor further includes to fix
The bearing block of one bearing 300 and second bearing 400, the second cooler 5 and the 3rd cooler 6 are respectively sleeved at the outside of bearing block
And using interference fit between bearing block.Second cooler 5 includes the bottom plate 53/63 being fixedly connected with the 3rd cooler 6
And cover board 54/64, be arranged between bottom plate 53/63 and cover board 54/64 for prevent cooling oil leak second seal 57/
67.Bottom plate 53/63 be equipped with for cooling oil by second channel 55/65, the twist structure of second channel 55/65, in this way,
Heat dissipation area can be increased, so as to improve radiating efficiency.Bottom plate 53/63 and cover board 54/64 are using alloy aluminum, so convenient for biography
Heat, so as to improve cooling efficiency.Second oil inlet 51 and the second oil outlet 52 are arranged on bottom plate 53, the 3rd oil inlet 61
It is arranged at the 3rd oil outlet 62 on bottom plate 63.
Second channel 55/65 can directly process twist structure, can also process and multiple set with one heart on bottom plate 53/63
The annular groove put is respectively provided on each annular groove there are one opening, and opening is provided with deflector 56/66, passes through deflector
56/66 the cooling oil in an annular groove can be directed to in next annular groove adjacent thereto, so as to form spiral shape
Cooling oil flow channel.
Second cooler 5 and the 3rd cooler 6 by way of conduction except can be absorbed at clutch shaft bearing 300 and second bearing
Outside heat at 400, the heat of the air in motor inner cavity can be also absorbed by way of radiation.
The three recycle oil cooling system further includes the flow control valve 9 in the exit for being arranged on oil return box 1, passes through flow tune
The first oil inlet 41, the second oil inlet 51 and the 3rd oil inlet 61 is adjusted in the flow in the exit that section valve 9 adjusts oil return box 1
Oil temperature, and then control the first oil inlet 41 and the first oil outlet 42, the second oil inlet 51 and the second oil outlet 52, the 3rd oil inlet
The temperature difference between 61 and the 3rd oil outlet 62 of mouth, increases the above-mentioned temperature difference, so as to increase the first cooler 4, the second cooler 5
And the 3rd cooler 6 enthalpy, and then promote the cooling effect of the first cooler 4, the second cooler 5 and the 3rd cooler 6
Rate.
The following specifically describes the courses of work of the oil cooling system once：
Cooling oil is extracted out from oil return box 1 by oil pump 2, is cooled down into heat exchanger 3, is become low temperature cold after supercooling
But three tunnel of oil is cycled：First via cooling oil through the first cooling oil pipeline 71 into the first cooler 4 the first oil inlet 41 after,
Flow through first passage 43, in the process, cooling oil absorb become when stator core 101 works after the heat that generates high temperature oil from
First oil outlet 42 exports, and high temperature oil enters oil return box 1 through the first cooling oil pipeline 71.Second tunnel cooling oil is through the second cooling oil
After pipeline 72 enters the second oil inlet 51 of the second cooler 5, second channel 55 is flowed through, in the process, cooling oil, which absorbs, drives
The heat that generates when moved end bearing 300 works, while the heat in also absorbable motor inner cavity air, afterwards cooling oil become
High temperature oil is exported from the second oil outlet 52, and high temperature oil enters oil return box 1 through the second cooling oil pipeline 72.3rd tunnel cooling oil is through
Three cooling oil pipelines 73 flow through third channel 65, in the process, cooling oil into the 3rd oil inlet 61 of the 3rd cooler 6
Absorb the heat that generates when non-driven-end bearing 400 works, at the same absorb and motor inner cavity air in heat, postcooling
Oil becomes high temperature oil and is exported from the 3rd oil outlet 62, and high temperature oil enters oil return box 1 through the 3rd cooling oil pipeline 73.Three are recycled back to
After high temperature oil in road is converged in oil return box 1, heat exchanger 3 is transferred to by the extraction of oil pump 2, high temperature oil is cooled to low-temperature oil,
In cycles according to above three circulation loop cooling cycle.
To prevent oily circulation loop oil leak, oil leakage alarm 10, this reality are provided with below the motor cabinet of motor
It applies in example, oil leakage alarm 10 uses mercury contact relay.When oil leak enters mercury contact relay, normally opened contact is by water
Silver is closed, and sends sound-light alarm；As oil leak it is serious when, influence the heat dissipation of motor, cause 102 Wen Sheng higher of stator winding, when
During more than the first temperature sensor setting value, the first temperature sensor being embedded in stator winding 102 sends alarm signal；Such as
Oil leak is still untreated, and 102 constant temperature of stator winding is caused to raise, when more than second temperature sensor setting value, is then sent
Trip signal, motor autostop.Since oil leak is seriously collected in the inner cavity of motor, it is provided with and puts below motor cabinet
Oily bolt, opening drains the oil bolt can be clean by Residual oil discharge.
After the oil cooling system longtime running, pollution and moisture can be generated in fluid, so as to influence cooling efficiency, is being returned
The bottom of fuel tank 1 is provided with blowdown valve 11, and to prevent from supplementing cooling oil in oil return box 1 when is excessive, is additionally provided in oil return box 1 excessive
Flow valve 12.
Above-described embodiment is only the methodology and feature for illustrating the utility model, and its object is to allow be familiar with this method
Personage can understand the content of the utility model and implement according to this, can not the scope of protection of the utility model be limited with this.
All equivalent change or modifications made according to the utility model Spirit Essence, should all cover the scope of protection of the utility model it
It is interior.
Claims (10)
1. a kind of three recycle oil cooling system of high speed permanent motor, motor includes stator, and the stator includes stator core
And stator winding, the motor further include the clutch shaft bearing for being arranged on motor shaft driving end and are arranged on the non-drive of the motor shaft
The second bearing of moved end, it is characterised in that：The oil cooling system include oil return box, oil pump, heat exchanger, be arranged on it is described fixed
The first cooler cooled down to the stator core is used at sub- iron core, is arranged at the clutch shaft bearing and is used for described
The second cooler and be arranged at the second bearing to cool down the second bearing that clutch shaft bearing is cooled down
The 3rd cooler, the oil return box, the oil pump, the heat exchanger, first cooler, the oil return box are suitable successively
Sequence connects to form the first oil cooling loop, the oil return box, the oil pump, the heat exchanger, second cooler, described
Oil return box is linked in sequence to form the second oil cooling loop successively, the oil return box, the oil pump, the heat exchanger, described
Three coolers, the oil return box are linked in sequence to form the 3rd oil cooling loop successively.
2. three recycle oil cooling system of high speed permanent motor according to claim 1, it is characterised in that：Described first is cold
But device is set in the outside of the stator, and the stator further includes engine base, and first oil cooler includes being arranged on the machine
Be used on the outer circumference surface of seat for cooling oil by first passage, be set in the shell of the base outer and be arranged on described
First seal between engine base and the shell, the first passage twist structure.
3. three recycle oil cooling system of high speed permanent motor according to claim 2, it is characterised in that：Described first is cold
But the length of device is more than the length of the stator core, and length therebetween differs 20 ~ 40mm.
4. three recycle oil cooling system of high speed permanent motor according to claim 1, it is characterised in that：Described second is cold
But device and the 3rd cooler include the bottom plate being fixedly connected and cover board, are arranged between the bottom plate and the cover board
Second seal, the bottom plate be equipped with for cooling oil by second channel, the second channel twist structure.
5. three recycle oil cooling system of high speed permanent motor according to claim 4, it is characterised in that：On the bottom plate
It equipped with multiple annular grooves, is all provided on each annular groove there are one opening, being equipped in the opening of the annular groove makes the ring
Shape slot with and the deflector that is conducted of its adjacent annular groove.
6. three recycle oil cooling system of high speed permanent motor according to claim 1, it is characterised in that：First oil
Cooling circuit, second oil cooling loop and the 3rd oil cooling loop are arranged in parallel.
7. three recycle oil cooling system of high speed permanent motor according to claim 1, it is characterised in that：Three Xun Huan
Oil cooling system further includes the temperature sensor being arranged in the stator winding.
8. three recycle oil cooling system of high speed permanent motor according to claim 1, it is characterised in that：Three Xun Huan
Oil cooling system further includes the flow control valve in the exit for being arranged on the oil return box.
9. three recycle oil cooling system of high speed permanent motor according to claim 1, it is characterised in that：Three Xun Huan
Oil cooling system further includes the overflow valve for being arranged on the blowdown valve of the oil return box bottom and being arranged in the oil return box.
10. a kind of high speed permanent motor, it is characterised in that：With three recycle oils as any one of claim 1 ~ 9
Cooling system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721668363.8U CN207459918U (en) | 2017-12-05 | 2017-12-05 | A kind of three recycle oil cooling system of high speed permanent motor and high speed permanent motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721668363.8U CN207459918U (en) | 2017-12-05 | 2017-12-05 | A kind of three recycle oil cooling system of high speed permanent motor and high speed permanent motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207459918U true CN207459918U (en) | 2018-06-05 |
Family
ID=62275694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721668363.8U Active CN207459918U (en) | 2017-12-05 | 2017-12-05 | A kind of three recycle oil cooling system of high speed permanent motor and high speed permanent motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207459918U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110858745A (en) * | 2018-08-24 | 2020-03-03 | 上海中车艾森迪海洋装备有限公司 | Cooling device and method for submarine motor |
| CN112234771A (en) * | 2020-09-16 | 2021-01-15 | 盖耀辉 | Oil cooling structure of traction motor |
-
2017
- 2017-12-05 CN CN201721668363.8U patent/CN207459918U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110858745A (en) * | 2018-08-24 | 2020-03-03 | 上海中车艾森迪海洋装备有限公司 | Cooling device and method for submarine motor |
| CN112234771A (en) * | 2020-09-16 | 2021-01-15 | 盖耀辉 | Oil cooling structure of traction motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | "change of name, title or address" |
Address after: Qi Du Zhen Wang Hu Cun, Wujiang District, Suzhou City, Jiangsu Province Patentee after: Jiangsu Jiuzhi Electric Co.,Ltd. Address before: 215234, Jiangsu, Suzhou Wujiang District seven Town pioneering Road Patentee before: JIANGSU JIUZHI MOTOR TECHNOLOGY Co.,Ltd. |
|
| CP03 | "change of name, title or address" |