CN101350544A - Water cooling electric machine for vehicle - Google Patents
Water cooling electric machine for vehicle Download PDFInfo
- Publication number
- CN101350544A CN101350544A CNA2008100215243A CN200810021524A CN101350544A CN 101350544 A CN101350544 A CN 101350544A CN A2008100215243 A CNA2008100215243 A CN A2008100215243A CN 200810021524 A CN200810021524 A CN 200810021524A CN 101350544 A CN101350544 A CN 101350544A
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- Prior art keywords
- water
- circumferential
- electric machine
- motor
- motor case
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- 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
- H02K5/203—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium specially adapted for liquids, e.g. cooling jackets
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The present invention relates to a water cooling motor of engineering vehicle. In the technical proposal, a motor shaft is arranged in a motor shell, and is provided with a rotor; the outside of the rotor is provided with a stator which consists of a stator winding and a stator core; and an end cover is arranged at the end of the motor shell. The water cooling motor is characterized in that a cooling water cavity is arranged between the motor shell and the stator core and; the cooling water cavity is connected with a water inlet and a water outlet, which are arranged on the motor shell. The stator core is connected with a peripheral sink; two ends of the peripheral sink are connected with a side plate; and the external surface of the side plate is provided with a sealing groove. The water cooling motor has the advantages of small size, excellent performance of heat dissipation, high cooling speed, low temperature rise, and high security. Moreover, the water cooling motor can effectively prevent the leakage of cooling water, temporarily store the cold water flowing inwards and the hot water flowing outwards, guarantee the circulating use of the cooling water, and satisfy the requirements of electrically driven engineering vehicles.
Description
Technical field
The present invention relates to a kind of engineering vehicle water cooling motor, specifically can be widely used in the motor of the use water cooling mode that uses on the engineering vehicles such as the moving loading machine of fax, excavator, fork truck.
Background technology
The fax of engineering vehicle is moving, is meant by the electric energy drive motor, the power train of being walked by the motor drives driving wheel again.Wherein electric energy can be that engine drives the electric energy that generator sent, and also can be the electric energy that comes from storage battery.For adopting the moving engineering vehicle of fax, because its space, chassis is limited, the volume of the motor that general requirement is used is less, and perfect heat-dissipating, so that arrange power train rationally, effectively.But the motor that conventional employing is air-cooled uses thereby be difficult to satisfy this kind occasion because volume is big, radiating effect is poor.
Summary of the invention
The objective of the invention is to overcome above-mentioned weak point, thereby provide a kind of volume little, perfect heat-dissipating, and can satisfy the start building water cooling electric machine for vehicle of journey vehicle instructions for use of fax.
According to technical scheme provided by the invention, it comprises motor case, stator core, stator winding, rotor, motor shaft and end cap, motor shaft is arranged in the motor case, rotor is installed on motor shaft, rotor is installed the stator of stator winding and stator core composition outward, end cap is installed in the motor case end, and feature is to be provided with cooling water cavity between described motor case and the stator core, and cooling water cavity links to each other with water inlet and delivery port on being arranged on motor case.
Described stator core is fixedlyed connected with circumferential tank, and the two ends of described circumferential tank are connected with side plate, are processed with seal groove on the outer surface of side plate.The interior connecting axle of described circumferential tank is to dividing plate and be connected with circumferential hoop, and axially dividing plate is divided into two cavitys with circumferential hoop with cooling water cavity.Described circumferential hoop is provided with more than one or one at least.
Described motor case top is provided with collect cavity, and vertical gusset is set in the collect cavity, and vertically the position of gusset is corresponding with dividing plate, and described vertical gusset is divided into two water cavities with collect cavity, and a water cavity links to each other with water inlet, and another water cavity links to each other with delivery port.
Described cooling water cavity can be arranged on the motor case.Described motor case inner surface is provided with circumferential groove in its end portion, is provided with circumferential demarcation strip in the circumferential groove in its end portion, and circumferentially demarcation strip is provided with more than one or one at least.Described motor case is provided with seal groove, and sealing ring is installed in the seal groove.
Described stator core outer surface is fixedly connected with circumferential ring flat-plate.
Compared with the prior art the present invention has the following advantages:
1. the present invention is provided with cooling water cavity between motor case and stator, changes water cooling mode into by general air cooling way, and cooling rate is fast, and electric machine temperature rise is low, and is safe, and the motor copper loss is low, and the motor hot resistance is little, and efficient improves 3%～12%.
2. cooling water cavity of the present invention adopts and is fixed on the stator circumferentially tank, circumferentially in the tank axial dividing plate is set, and will intake and water outlet separates, and the cooling water of forcing to enter from water inlet flows out from delivery port behind casing one circle of motor again, thus the reinforcement cooling effect.
3. except circumferentially being provided with the axial dividing plate in the tank, also be provided with together or above together circumferential hoop,, make cooling more even axially tank being divided into a plurality of chambers.
4. seal groove that is provided with on the tank side plate and the sealing ring seepage that prevents cooling water.
5. cooling water cavity of the present invention adopts the circumferential groove in its end portion that is arranged on the motor case inner surface, and circumferential demarcation strip is set in the circumferential groove in its end portion, in the axial direction annular groove is divided into a plurality of chambers, makes cooling more even.
6. seal groove that is provided with on the motor case and sealing ring can prevent the seepage of cooling water.
7. on the motor case collect cavity is set, can stores the cold water of inflow and the hot water of outflow temporarily, guarantee recycling of cooling water.
Description of drawings
Fig. 1 is the cutaway view of first kind of embodiment of structure of the present invention.
Fig. 2 is the A-A cutaway view among Fig. 1.
Fig. 3 is the cutaway view of the cooling water cavity among Fig. 1.
Fig. 4 is the vertical view of Fig. 3.
Fig. 5 is the cutaway view of second kind of embodiment of structure of the present invention.
Embodiment
Embodiment during following the present invention incites somebody to action in conjunction with the accompanying drawings is further described:
As shown in Figures 1 to 4, be first kind of embodiment of the present invention.It mainly comprises end cap 1, motor shaft 2, motor case 3, axial dividing plate 4, stator core 5, stator winding 6, rotor 7, sealing ring 8, cooling water cavity 9, circumferential hoop 10, circumferential tank 11, collect cavity 12, water inlet 13, vertical gusset 14, delivery port 15, side plate 16 and seal groove 17 etc.
The present invention adopts motor shaft 2 to be arranged in the motor case 3, and rotor 7 is installed on motor shaft 2, and described rotor 7 is made up of rotor core and rotor winding.The rotor 7 outer stators that stator winding 6 and stator core 5 compositions are installed, end cap 1 is installed in motor case 3 ends, be provided with cooling water cavity 9 between described motor case 3 and the stator core 5, cooling water cavity 9 links to each other with water inlet 13 and delivery port 15 on being arranged on motor case 3, the water cooling loop that water inlet 13 and delivery port 15 insert on the vehicles.
Among first kind of embodiment of the present invention, described cooling water cavity 9 comprises the circumferential tank 11 of fixedlying connected with stator core 5.Circumferentially tank 11 is attached on the stator core 5 by corrosion resistant plate and is rolled into cylinder, is welded into one with stator core 5 again.Circumferentially the two ends of tank 11 also are welded with side plate 16, are processed with seal groove 17 on the outer surface of side plate 16.Circumferentially the axial dividing plate 4 of welding in the tank 11 also is welded with together circumferentially hoop 10 in the circumferential tank 11, and axially dividing plate 4 is divided into two cavitys with circumferential hoop 10 with cooling water cavity 9.Certainly, more than circumferentially hoop 10 also can have together.
In order to prevent the cooling water seepage, circumferentially between tank 11 and the motor case 3 liquid sealing is set.Sealing ring 8 is installed in the seal groove 17 of side plate 16.Described seal groove 17 and sealing ring 8 can be provided with two roads respectively or more than two roads, to strengthen sealing effectiveness.
As shown in Figure 5, be second kind of embodiment of the present invention.The difference of itself and first kind of embodiment is, cooling water cavity 9 is arranged on the motor case 3.Concrete structure is included in and circumferential groove in its end portion 18 is set on motor case 3 inner surfaces and stator core 5 outer surfaces are provided with circumferential ring flat-plate 20.Be provided with circumferential demarcation strip 19 in the circumferential groove in its end portion 18, circumferentially demarcation strip 19 can be provided with more than one or one.Motor case 3 is provided with seal groove, and sealing ring 8 is installed in seal groove, thereby constitutes the liquid sealing between circumferential ring flat-plate 20 and the motor case 3, to prevent the seepage of cooling water.
The present invention can be used for adopting engineering vehicles such as the moving loading machine of fax, excavator, fork truck.
Claims (10)
1, a kind of water cooling electric machine for vehicle, comprise motor case (3), stator core (5), stator winding (6), rotor (7), motor shaft (2) and end cap (1), motor shaft (2) is arranged in the motor case (3), go up installation rotor (7) at motor shaft (2), the outer stator that stator winding (6) and stator core (5) composition are installed of rotor (7), end cap (1) is installed in motor case (3) end, it is characterized in that between described motor case (3) and the stator core (5) cooling water cavity (9) being set, cooling water cavity (9) links to each other with water inlet (13) and delivery port (15) on being arranged on motor case (3).
2, water cooling electric machine for vehicle according to claim 1, it is characterized in that described stator core (5) is connected with circumferential tank (11), the two ends of described circumferential tank (11) are connected with side plate (16), and the outer surface of side plate (16) is provided with seal groove (17).
3, water cooling electric machine for vehicle according to claim 1 is characterized in that connecting axle is to dividing plate (4) and circumferential hoop (10) respectively in the described circumferential tank (11), and axially dividing plate (4) is divided into two cavitys with circumferential hoop (10) with cooling water cavity (9).
4, water cooling electric machine for vehicle according to claim 3 is characterized in that described circumferential hoop (10) is provided with more than one or one at least.
5, water cooling electric machine for vehicle according to claim 1, it is characterized in that described motor case (3) top is provided with collect cavity (12), vertical gusset (14) is set in the collect cavity (12), described vertical gusset (14) is divided into two water cavities with collect cavity (12), a water cavity links to each other with water inlet (13), and another water cavity links to each other with delivery port (15).
6, water cooling electric machine for vehicle according to claim 1 is characterized in that described cooling water cavity (9) can be arranged on the motor case (3).
7, water cooling electric machine for vehicle according to claim 1 is characterized in that described motor case (3) inner surface is provided with circumferential groove in its end portion (18), is provided with circumferential demarcation strip (19) in the circumferential groove in its end portion (18).
8, water cooling electric machine for vehicle according to claim 7 is characterized in that described circumferential demarcation strip (19) is provided with more than one or one at least.
9, water cooling electric machine for vehicle according to claim 1 is characterized in that described motor case (3) is provided with seal groove, and sealing ring (8) is installed in the seal groove.
10, water cooling electric machine for vehicle according to claim 1 and 2 is characterized in that described stator core (5) outer surface is connected with circumferential ring flat-plate (20).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100215243A CN101350544A (en) | 2008-07-30 | 2008-07-30 | Water cooling electric machine for vehicle |
| PCT/CN2009/000574 WO2010012149A1 (en) | 2008-07-30 | 2009-05-25 | Water-cooled motor for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100215243A CN101350544A (en) | 2008-07-30 | 2008-07-30 | Water cooling electric machine for vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101350544A true CN101350544A (en) | 2009-01-21 |
Family
ID=40269188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008100215243A Pending CN101350544A (en) | 2008-07-30 | 2008-07-30 | Water cooling electric machine for vehicle |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN101350544A (en) |
| WO (1) | WO2010012149A1 (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010012149A1 (en) * | 2008-07-30 | 2010-02-04 | 无锡开普动力有限公司 | Water-cooled motor for vehicle |
| CN102299585A (en) * | 2010-06-28 | 2011-12-28 | 昆山巩诚电器有限公司 | motor liquid cooling structure |
| CN102355080A (en) * | 2011-09-23 | 2012-02-15 | 无锡开普机械有限公司 | Water cooling device for motor |
| CN102904411A (en) * | 2012-10-25 | 2013-01-30 | 泰豪科技股份有限公司 | Water-cooling intermediate-frequency permanent magnet generator |
| CN103187831A (en) * | 2011-12-28 | 2013-07-03 | 株式会社电装 | Electric rotary machine |
| CN103414287A (en) * | 2013-08-29 | 2013-11-27 | 安徽安凯汽车股份有限公司 | Drive motor used for electric vehicle |
| CN106655631A (en) * | 2016-12-13 | 2017-05-10 | 安徽江淮汽车集团股份有限公司 | Cooling water jacket structure for hybrid electric vehicle motor |
| CN107070042A (en) * | 2017-04-21 | 2017-08-18 | 康富科技股份有限公司 | A kind of generator of assembly type stand structure |
| CN107317432A (en) * | 2016-04-27 | 2017-11-03 | 四川倍特电动车有限公司 | A kind of electric car water cooling plant |
| CN107956876A (en) * | 2017-11-29 | 2018-04-24 | 江苏工大金凯高端装备制造有限公司 | A kind of sealing device and its installation method |
| CN114204738A (en) * | 2021-11-11 | 2022-03-18 | 中船重工电机科技股份有限公司 | Construction method of seawater direct-connection cooling structure of marine propulsion motor |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2075398U (en) * | 1990-09-29 | 1991-04-17 | 江苏省海门县棉纺厂 | Motor with cooling water jecket |
| CN2247389Y (en) * | 1995-10-20 | 1997-02-12 | 严志立 | Water-cooled voltage-resistant motor |
| JP3622582B2 (en) * | 1999-07-07 | 2005-02-23 | 三菱自動車エンジニアリング株式会社 | Motor cooling device |
| CN2645331Y (en) * | 2003-08-02 | 2004-09-29 | 无锡机床股份有限公司 | Stator cooling inner water-repellent arrangement for electric motor shaft |
| CN1312825C (en) * | 2003-10-30 | 2007-04-25 | 四川东风电机厂有限公司 | Actuating motor for electric automobile |
| CN1767329A (en) * | 2005-09-30 | 2006-05-03 | 中国北车集团永济电机厂 | Low temperature-rise motor with stand water-air cooling structure |
| CN201234188Y (en) * | 2008-07-30 | 2009-05-06 | 无锡开普动力有限公司 | Water cooling electric machine for vehicle |
| CN101350544A (en) * | 2008-07-30 | 2009-01-21 | 无锡开普动力有限公司 | Water cooling electric machine for vehicle |
-
2008
- 2008-07-30 CN CNA2008100215243A patent/CN101350544A/en active Pending
-
2009
- 2009-05-25 WO PCT/CN2009/000574 patent/WO2010012149A1/en active Application Filing
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010012149A1 (en) * | 2008-07-30 | 2010-02-04 | 无锡开普动力有限公司 | Water-cooled motor for vehicle |
| CN102299585A (en) * | 2010-06-28 | 2011-12-28 | 昆山巩诚电器有限公司 | motor liquid cooling structure |
| CN102355080A (en) * | 2011-09-23 | 2012-02-15 | 无锡开普机械有限公司 | Water cooling device for motor |
| CN103187831A (en) * | 2011-12-28 | 2013-07-03 | 株式会社电装 | Electric rotary machine |
| CN102904411A (en) * | 2012-10-25 | 2013-01-30 | 泰豪科技股份有限公司 | Water-cooling intermediate-frequency permanent magnet generator |
| CN103414287A (en) * | 2013-08-29 | 2013-11-27 | 安徽安凯汽车股份有限公司 | Drive motor used for electric vehicle |
| CN107317432A (en) * | 2016-04-27 | 2017-11-03 | 四川倍特电动车有限公司 | A kind of electric car water cooling plant |
| CN106655631A (en) * | 2016-12-13 | 2017-05-10 | 安徽江淮汽车集团股份有限公司 | Cooling water jacket structure for hybrid electric vehicle motor |
| CN107070042A (en) * | 2017-04-21 | 2017-08-18 | 康富科技股份有限公司 | A kind of generator of assembly type stand structure |
| CN107956876A (en) * | 2017-11-29 | 2018-04-24 | 江苏工大金凯高端装备制造有限公司 | A kind of sealing device and its installation method |
| CN114204738A (en) * | 2021-11-11 | 2022-03-18 | 中船重工电机科技股份有限公司 | Construction method of seawater direct-connection cooling structure of marine propulsion motor |
| CN114204738B (en) * | 2021-11-11 | 2023-08-11 | 中船重工电机科技股份有限公司 | Construction method of sea water straight-through cooling structure of marine propulsion motor |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2010012149A1 (en) | 2010-02-04 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20090121 |