CN201674348U - Built-in airflow-type air-cooled motor - Google Patents
Built-in airflow-type air-cooled motor Download PDFInfo
- Publication number
- CN201674348U CN201674348U CN2010201948282U CN201020194828U CN201674348U CN 201674348 U CN201674348 U CN 201674348U CN 2010201948282 U CN2010201948282 U CN 2010201948282U CN 201020194828 U CN201020194828 U CN 201020194828U CN 201674348 U CN201674348 U CN 201674348U
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- 239000000284 extract Substances 0.000 claims description 2
- 230000008520 organization Effects 0.000 claims description 2
- 238000001816 cooling Methods 0.000 abstract description 20
- 230000000694 effects Effects 0.000 abstract description 5
- 238000007664 blowing Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000008676 import Effects 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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- Motor Or Generator Cooling System (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The utility model discloses a built-in airflow-type air-cooled motor. One scheme is reflected as follows: a motor shell is provided with an air inlet from which the air flow enters the interior of the motor and an air outlet from which the air flow exhausts the interior of the motor; the inner space of the motor is communicated with an air source system through an air port. The other scheme is reflected as follows: the front end cover of the motor and the motor in the front of the front end cover form a front space of the motor; the front end cover is provided with an air inlet from which the air flow enters the front of the motor and an air outlet from which the air flow exhausts the front of the motor; the front space of the motor is communicated with the air source system through the air port. The air source system is either an air blower for blowing the positive pressure airflow to the space for the heat exchange, or an exhaust fan for extracting the air supplied to the space from the atmosphere for the heat exchange. The utility model is suitable for the driving motor of the electric vehicle and the hybrid electric vehicle and has the advantages of the structure simpler than water-cooling manner and the cooling effect better than the existing air-cooled manner.
Description
Technical field
The utility model relates to technical field of motors, especially relates to being used for the motor that air-flow cools off.Be applicable to the drive motors of electric automobile and hybrid vehicle.
Background technology
The drive motors of electric automobile, hybrid vehicle produces very high temperature when work, long-term too high temperature can influence the bearing life in the useful life, particularly drive motors of motor.Facts have proved, 10 degrees centigrade of the every risings of the working temperature of bearing, the life-span of bearing can drop by half.
The type of cooling commonly used of existing motor is natural air cooled, outer air blast cooling of casing and water-cooled.
Natural air cooled is that rotor tip at motor has fan blade, when motor rotates, utilizes fan blade to produce blast, force air current flow in the casing, but it relies on still the heat radiation certainly of casing that the casing heat is taken away, and cooling effect is not obvious.And under the slower situation of motor rotation speed, its cooling effect is poorer.
The outer air blast cooling of casing is in the casing outside fan to be housed, and utilizes other power drive fan to reach the cooling purpose.Though it is more effective than natural air cooled, but this mode has also just been cooled off the outside of casing, the bearing at casing inside and motor two ends is not effectively cooled off, and still has the too high phenomenon of motor bulk temperature, influences the useful life of motor operation and motor component.
Adopt the type of cooling of water-cooled, need the corresponding cooling water pipeline of configuration, independently water pump, water tank, water tank cooling fan and fan electromotor.Structure is numerous and diverse, cost is high.Also can there be pipe leakage, cooling system to install to account for very problems such as large space.And the mode of water-cooled is that the flowing water passage is set on casing mostly, also be can only cooling motor shell, not obvious to the cooling effect of motor internal coil and bearing.
The utility model content
The utility model provides a kind of cooling technology for motor, and air is discharged after flowing to the motor internal heat exchange again, can effectively reduce the internal temperature of motor, particularly reduces the temperature of end winding and bearings at both ends, prolongs the useful life of motor.
The utility model is to solve the technical problem the technical scheme that adopts to be:
Air-flowing type ventilated machine in the machine comprises stator, rotor, casing, front end housing and rear end cap.Casing is provided with for air and flows to into the air inlet of motor internal and discharge the gas outlet of motor internal, and the inner space of motor is communicated with air supply system by gas port.The air inlet of inner space is arranged on the two ends of casing, and is approaching with the end of stator and rotor.The gas outlet of inner space is corresponding on casing with air inlet.Air supply system comprises and being connected with the air inlet of the inner space of motor that the positive pressure gas that blows out flows to the air blast that carries out heat exchange into the inner space.
The utility model is to solve the technical problem another technical scheme that adopts to be:
Air-flowing type ventilated machine in the machine, comprise stator, rotor, casing, front end housing and rear end cap, the front space of the organization motor in the front end housing of motor and its place ahead, front end housing is provided with for air and flows to into the air inlet of motor front portion and the air outlet of discharge motor front portion, and the front space of motor is communicated with air supply system by the air port.The air outlet of front space is arranged on the cylindrical periphery of front end housing.The air inlet of front space is corresponding on front end housing with air outlet.Air supply system comprises and being connected with the air outlet of the front space of motor, extracts out add to the air exhauster that front space is carried out heat exchange air from atmosphere.
Compare with existing motor cooling technology, adopt the advantage of technical solutions of the utility model to be:
1. with respect to water-cooling pattern, simplified the structure of cooling system, mounting means is simple, saves the installing space of cooling system.
2. with respect to the natural air cooled and outer air-cooled mode of pressure casing, to enter than cold air flow and discharge again after motor internal absorbs heat, the bulk temperature of motor is reduced, and particularly the temperature of the coil of motor internal and bearings at both ends can reduce significantly, thereby has prolonged the useful life of motor.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the AA cutaway view of Fig. 1;
Fig. 3 is the BB cutaway view of Fig. 1;
Fig. 4 is the structural representation of the malleation air supply system of the utility model embodiment;
Fig. 5 is the structural representation of the wind guide tank of the utility model embodiment;
Fig. 6 is that F among Fig. 5 is to schematic diagram;
Fig. 7 is the protective cover schematic diagram that installs on the gas outlet of inner space of the utility model embodiment;
Fig. 8 is the vertical view of Fig. 7;
Fig. 9 is the protection network schematic diagram that installs on the air inlet of front space of the utility model embodiment;
Figure 10 is the schematic diagram of the control circuit of the utility model embodiment.
Embodiment
Further specify embodiment of the present utility model below in conjunction with accompanying drawing.
Present embodiment is the drive motors that is used for hybrid vehicle, as shown in Figure 1 and Figure 2.Comprise stator 1, rotor 2, casing 3, front end housing 4 and rear end cap 5 among the figure.The inner space of motor is mainly the front end face of casing 3 internal stators 1 and rotor 2 and the space between the front end housing 4, and the rear end face of stator 1 and rotor 2 and the space between the rear end cap 5.Casing 3 is provided with for air and flows to into the air inlet 3A of inner space and the gas outlet 3B of discharge inner space.The air inlet 3A of inner space is arranged on the two ends of casing 3, and is approaching with the end of stator and rotor, and the gas outlet 3B of inner space is radially corresponding on casing 3 with air inlet 3A.
The inner space of motor is communicated with the malleation air supply system by gas outlet 3B, and the malleation air-flow that air supply system produces is discharged atmosphere after the heat exchange of the inner space of motor.Air supply system comprises the air filter 6, cleaner connector 10, air blast 7, airduct 8 and the wind guide tank 9 that are linked in sequence as shown in Figure 4.
Air enters cleaner inside by the import of cleaner 6, and by entered the inlet scoop of external rotor centrifugal blower behind the filter element filtering again by the connector 10 of outlet process cleaner, the blowing mouth by centrifugal blower enters airduct 8 again.
The blowing mouth of centrifugal blower F1 is communicated with by airduct 8 with wind guide tank 9.Wind guide tank 9 is inverted " T " font and internal communication as Fig. 5, shown in Figure 6, the transverse pipe closed at both ends of wind guide tank 9.The vertical duct 9A of wind guide tank 9 upwards connects airduct 8, has two circular hole 9B that are connected with the air inlet 3A of inner space downwards at the transverse pipe two ends.The blast that centrifugal blower produces is delivered to the air inlet 3A of inner space by airduct 8 and wind guide tank 9.
The gas outlet 3B of inner space is communicated with atmosphere.Protective cover 11 is housed on the 3B of gas outlet, is used to prevent that block foreign matter from entering motor internal.Protective cover 11 has the cylinder of mounting flange 11A as Fig. 7, shown in Figure 8, reaches end face on the circumference of cylinder and has some apertures.
The colder air in motor outside filters through cleaner 6, enters to blow out after centrifugal blower F1 pressurizes.Clean air stream passes through airduct 8, wind guide tank 9, air inlet 3A successively, enters the inner space of motor.Behind the heat of absorption stator and two ends of rotor portion and the heat of bearing, through the gas outlet 3B discharge casing 3 of inner space.Arrowed dotted line is represented the flow path of air among the figure, and air stream can effectively reduce the temperature of motor internal, particularly reduces the temperature of coil both ends and motor bearings at both ends.
As Fig. 1, shown in Figure 3, the front end housing 4 of present embodiment drive motors is a preceding recessed back convex, and its bell housing 15 with the internal combustion engine in the place ahead is combined as the shell of clutch, the front space of formation motor.Front end housing 4 is provided with for air and flows to into the air inlet 4A of front space and the air outlet 4B of discharge front space.The air outlet 4B of front space is arranged on the cylindrical periphery of front end housing 4, and the air inlet 4A of front space is radially corresponding on front end housing 4 with air outlet 4B.
The front space of motor is communicated with the negative pressure wind origin system by air outlet 4B, and the negative-pressure air-flow that air supply system produces is discharged atmosphere after the front space heat exchange of motor.Air supply system comprises air exhauster 12, the tube connector 13 that is linked in sequence.
Ventilating fan F2 is connected with the air outlet 4B of front space by tube connector 13.The air inlet 4A of front space is communicated with atmosphere, and protection network 14 is housed on the air inlet 4A.As shown in Figure 9, protection network 14 is flat boards that have some apertures, is used to prevent that block foreign matter from entering front space parts are caused damage.
Under the effect of ventilating fan F2, the negative pressure that gas bleeding produces is delivered to the air outlet 4B of front space, air inlet 4A suck air from atmosphere of front space, colder air adds to the front space of motor after protection network 14 filters, behind the heat of end bearing, go out atmosphere before the heat of absorption clutch and the motor through ventilating fan row F2.Arrowed chain-dotted line is represented the flow path of air among the figure, and air stream can effectively reduce the temperature of motor front portion and preceding end bearing.
The external rotor centrifugal blower F1 of present embodiment is connected with the control circuit of the internal temperature of motor with axial-flow type ventilating fan F2, and the operating time is controlled by the internal temperature of motor automatically.Its circuit theory as shown in figure 10, temperature detect switch (TDS) Kt imbeds in the stator coil of motor internal.
When the temperature of motor internal is higher than 75 when spending, temperature detect switch (TDS) Kt conducting, field effect transistor Q1 conducting, the relay J adhesive, the J1 closing of contact, external rotor centrifugal blower F1 and axial-flow type ventilating fan F2 energized simultaneously start working.
When the temperature of motor internal is lower than 75 when spending, temperature detect switch (TDS) Kt disconnects, and external rotor centrifugal blower F1 and axial-flow type ventilating fan F2 dead electricity quit work.
The form of present embodiment is: the inner space of motor is that the front space of malleation air-flow+motor is a negative-pressure air-flow.
Adopt air-flowing type ventilated machine technical scheme in the utility model machine, can realize multiple different embodiment form, all in the scope of the utility model claim protection.As:
The inner space of motor is that the front space of negative-pressure air-flow+motor is the malleation air-flow;
The front space of the inner space+motor of motor is the malleation air-flow;
The front space of the inner space+motor of motor is negative-pressure air-flow;
The inner space of independent motor is the malleation air-flow;
The inner space of independent motor is a negative-pressure air-flow.
Claims (10)
1. air-flowing type ventilated machine in the machine comprises stator (1), rotor (2), casing (3), front end housing (4) and rear end cap (5); It is characterized in that: described casing (3) is provided with the gas outlet (3B) that supplies air to flow to the air inlet (3A) into motor internal and discharge motor internal, and the inner space of motor is communicated with air supply system by gas port.
2. ventilated machine as claimed in claim 1 is characterized in that: the air inlet of described inner space (3A) is arranged on the two ends of casing (3), and is approaching with the end of stator and rotor; The gas outlet of described inner space (3B) is gone up corresponding with air inlet (3A) at casing (3).
3. ventilated machine as claimed in claim 2 is characterized in that: described air supply system comprises and being connected with the air inlet (3A) of the inner space of motor that the positive pressure gas that blows out flows to the air blast (2) that carries out heat exchange into the inner space.
4. ventilated machine as claimed in claim 3 is characterized in that: described air blast (2) is an electronic external rotor centrifugal blower (F1).
5. ventilated machine as claimed in claim 3 is characterized in that: described air blast (2) is connected with the automatic control circuit of the internal temperature of motor.
6. air-flowing type ventilated machine in the machine comprises stator (1), rotor (1), casing (3), front end housing (4) and rear end cap (5); It is characterized in that: the front space of the organization motor in the front end housing of described motor (4) and its place ahead, front end housing (4) is provided with for air and flows to into the air inlet (4A) of motor front portion and the air outlet (4B) of discharge motor front portion, and the front space of motor is communicated with air supply system by the air port.
7. ventilated machine as claimed in claim 6 is characterized in that: the air outlet of described front space (4B) is arranged on the cylindrical periphery of front end housing (4); The air inlet of described front space (4A) is gone up corresponding with air outlet (4B) at front end housing (4).
8. ventilated machine as claimed in claim 7 is characterized in that: described air supply system comprises and being connected with the air outlet (4B) of the front space of motor, extracts out to add to front space carry out the air exhauster of heat exchange air (12) from atmosphere.
9. ventilated machine as claimed in claim 8 is characterized in that: described air exhauster (12) is an axial-flow type ventilating fan (F2).
10. ventilated machine as claimed in claim 8 is characterized in that: described air exhauster (12) is connected with the control circuit of the internal temperature of motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201948282U CN201674348U (en) | 2010-05-18 | 2010-05-18 | Built-in airflow-type air-cooled motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201948282U CN201674348U (en) | 2010-05-18 | 2010-05-18 | Built-in airflow-type air-cooled motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201674348U true CN201674348U (en) | 2010-12-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201948282U Expired - Lifetime CN201674348U (en) | 2010-05-18 | 2010-05-18 | Built-in airflow-type air-cooled motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201674348U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103138485A (en) * | 2013-03-14 | 2013-06-05 | 苏州工业园区鑫海胜电子有限公司 | Airflow steering suction motor |
| CN106230176A (en) * | 2016-09-14 | 2016-12-14 | 合普动力股份有限公司 | The electric motor of automobile of band air blast cooling in die cavity |
-
2010
- 2010-05-18 CN CN2010201948282U patent/CN201674348U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103138485A (en) * | 2013-03-14 | 2013-06-05 | 苏州工业园区鑫海胜电子有限公司 | Airflow steering suction motor |
| CN106230176A (en) * | 2016-09-14 | 2016-12-14 | 合普动力股份有限公司 | The electric motor of automobile of band air blast cooling in die cavity |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHUHAI YINTONG NEW POWER TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: ZHUHAI LANHAI ENERGY SAVING TECHNOLOGY CO., LTD. Effective date: 20110817 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20110817 Address after: No. 16, No. 2 building A District 519040 in Guangdong province Zhuhai City Sanzao town Jinwan District Jinhu Road Patentee after: ZHUHAI YINTONG NEW POWER TECHNOLOGY Co.,Ltd. Address before: 519040 Guangdong city in Zhuhai Province town of Jinhu Road No. 16 Patentee before: Zhuhai City Lanhai Energy-saving Technology Co.,Ltd. |
|
| CU03 | Publication of corrected utility model |
Correction item: Patentee Correct: Zhuhai Yintong New Power Technology Co.,Ltd.|No. 16, No. 2 building A District 519040 in Guangdong province Zhuhai City Sanzao town Jinwan District Jinhu Road False: Zhuhai Yintong New Power Technology Co., Ltd.|No. 16, No. 2 building A District 519040 in Guangdong province Zhuhai City Sanzao town Jinwan District Jinhu Road Number: 39 Volume: 27 |
|
| ERR | Gazette correction | ||
| C56 | Change in the name or address of the patentee |
Owner name: ZHUHAI YINLONG ELECTRIC CO., LTD. Free format text: FORMER NAME: ZHUHAI YINTONG NEW POWER TECHNOLOGY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: No. 16, No. 2 building A District 519040 in Guangdong province Zhuhai City Sanzao town Jinwan District Jinhu Road Patentee after: ZHUHAI YINLONG ELECTRICAL APPLIANCE Co.,Ltd. Address before: No. 16, No. 2 building A District 519040 in Guangdong province Zhuhai City Sanzao town Jinwan District Jinhu Road Patentee before: Zhuhai Yintong New Power Technology Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101215 |