CN204783716U - Brushless electric water pump of automobile -used direct current - Google Patents
Brushless electric water pump of automobile -used direct current Download PDFInfo
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- CN204783716U CN204783716U CN201520477705.2U CN201520477705U CN204783716U CN 204783716 U CN204783716 U CN 204783716U CN 201520477705 U CN201520477705 U CN 201520477705U CN 204783716 U CN204783716 U CN 204783716U
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Abstract
The utility model relates to a brushless electric water pump of automobile -used direct current, the water pump cover comprises last spiral case and lower spiral case, the preceding tip and the last spiral case rigid coupling of lower spiral case, the back tip and the motor barrel rigid coupling of lower spiral case, controller casing middle part sets up blind chamber bearing room, and lower spiral case middle part sets up logical chamber bearing room, and slide bearing is installed respectively with logical chamber bearing room in blind chamber bearing room, brushless motor sets up in the motor barrel, and rigid coupling impeller behind the spiral case is passed down to the one end of cavity rotor shaft, low pressure circulating water passageway is seted up at the center of impeller, and the water course communicates with each other with low pressure circulating water passageway, on the lower spiral case, corresponding to setting up a plurality of high pressure circulating water passageway within the telescopic terminal surface excircle, high -pressure circulating water passageway communicates with each other with the cavity that sleeve, controller casing and lower spiral case were gone along with sb. To guard him. Compared with the prior art move more reliability, life is longer.
Description
A kind of automobile-used brush DC electric water pump.
Technical field
The utility model relates to water pump, is specifically related to a kind of automobile-used brush DC electric water pump.
Background technique
Existing direct current drive water pump has been generally brush configuration, and there is electric current commutation, the wearing and tearing due to carbon brush cause the water pump life-span not improve, and maintenance cost is high.The electronic water pump of DC adopts the structure of position transducer, and because position transducer exists flimsy feature, cause electric water pump to install complicated maintenance cost high, the life-span is restricted.
Existing market brushless electric water pump rotor is plastic magnetic rotor, and rotor table magnetic is less is about 0.17T ~ 0.2T, and its maximum value flow only can reach about 1800L/h, cannot meet the demand that mixed power and pure electric vehicle circulate to cooling liquid large discharge.
In addition, in the electronic water pump field of DC, be generally that motor and the pump housing separate, motor shaft and pump housing part prevent the problem of leakage by axial mechanical seal, and along with the wearing and tearing of mechanical shaft seal, leakage problem there will be at last.
Summary of the invention
The utility model object is to solve aforementioned technical problem, provides a kind of small volume, large discharge, long-life, solves the automobile-used brush DC electric water pump of leakage problem.
The technological scheme that the utility model is taked is:
A kind of automobile-used brush DC electric water pump, comprise motor cylindrical shell 5, be fixed on the controller shell 10 of motor cylindrical shell 5 one end, the water pump cover of the other end, be arranged on the brushless electric machine in motor cylindrical shell 5, it is characterized in that: described water pump cover is made up of upper volute 3 and lower spiral case 4, wherein upper volute comprises cooling liquid inlet 1 and outlet 2, and front end and the upper volute of lower spiral case are affixed, and rearward end and the motor cylindrical shell 5 of lower spiral case are affixed; Arrange blind chamber bearing chamber 101 towards the side of motor cylindrical shell in the middle part of described controller shell 10, arrange cavity bearing chamber 42 in the middle part of lower spiral case 4, blind chamber bearing chamber 101 and cavity bearing chamber 42 install sliding bearing 9 respectively; Described brushless electric machine comprise be fixed on motor cylinder inboard wall stator 6, be arranged on two sliding bearings 9 with the hollow rotor shaft 76 of water channel 163, the rotor 7 be fixed on rotor shaft 76; One end of rotor shaft 76 is through affixed impeller 18 after lower spiral case 4; Low pressure recycle water channel 164 is offered at the center of impeller 18, and water channel 163 communicates with low pressure recycle water channel 164; Near lower spiral case 4 between that sliding bearing 9 and rotor 7, thrust shaft bearing sleeve 20 is set, thrust bearing 19 is set in thrust shaft bearing sleeve 20; Sleeve 8 is set between stator 6 and rotor 7, sleeve 8 one end and controller shell 10 seal, the other end and lower spiral case 4 seal; Arrange several cycle of higher pressure water channels 17 within angle head cylindrical on lower spiral case 4, corresponding to sleeve 8, the cavity that cycle of higher pressure water channel 17 is gone along with sb. to guard him with lower spiral case 4 with sleeve 8, controller shell 10 communicates.Adopt this technological scheme, water pump cover, controller shell, electric machine casing three common sparing structure, simplify the structure, and cooling water is by cycle of higher pressure water channel 17 → sleeve 8, matching gap between cavity → sliding bearing 9 that controller shell 10 and lower spiral case 4 are gone along with sb. to guard him and hollow rotor shaft 76 → water channel 162 → low pressure recycle water channel 163 forms a closed Inner eycle, not only can form a water lubrication moisture film between sliding bearing 9 and hollow rotor shaft 76, reduce frictional force, reduce wear, life-saving, and the current of Inner eycle can be lowered the temperature to rotor, strengthen the reliability of whole water pump operation.Thrust bearing 19 between rotor 7 and sliding bearing 9 and thrust shaft bearing sleeve 20 can prevent rotor 7 under the effect of impeller 18, axial float occurring.
When engine temperature is higher, rotor rotating speed increases, and pump rotary speed increases, and increases the circulating water flow of engine cooling; When rotor rotating speed raises, heating value increases, generator amature Inner eycle water flow controls by wheel speed, because impeller is arranged on rotor shaft, impeller and rotor shaft synchronous axial system, therefore when wheel speed raises, motor Inner eycle water flow increases, and increases the working life that rotor heat dissipating capacity improves rotor.
Further, described controller shell 10, away from the side formation control box 15 of motor cylindrical shell, is installed in Direct box and is utilized counterelectromotive force detection rotor position and the controller 14 and the power outlet that control motor speed.
Further, upper volute 3 and lower spiral case 4 realize static axial seal by the first seal ring 13 be arranged between the two end face; Static axial seal is realized by the second seal ring 11 be arranged between the two end face between sleeve 8 and controller shell 10; Static axial seal is realized by the 3rd seal ring 12 be arranged between the two end face between sleeve 8 and lower spiral case 4; By O RunddichtringO 21 radial seal between bottom 24 and controller shell 10; Controller shell 10 and motor cylindrical shell 5 junction are by the 2nd O type circle 22 radial seal; Motor cylindrical shell 5 and lower spiral case 4 junction are by the 3rd O type circle 23 radial seal, and the dustproof and waterproof grade of O type circle is more than IP68.Adopt static shaft to sealing means, can not produce wearing and tearing, leakage problem occurs never.
Further, the cavity helically formula structure that described upper volute 3 and lower spiral case 4 are gone along with sb. to guard him, its spiral angle is 26 °-30 °.Adopt this technological scheme, meet Hydrodynamics Theory.
Further, the water outlet 2 on described upper volute 3 is diffusion structure, and its diffusion angle is 7 ° ~ 13 ° and adopts this technological scheme, meets Hydrodynamics Theory.
Further, the number of poles of rotor 7 is 4, and the groove number of stator 6 is 6, composition direct current permanent magnetic brushless electric machine.Adopt this technological scheme this, number of poles quantity is less, can produce higher rotating speed.
Further, the salient pole number of rotor 7 is 4, and the number of poles of stator 6 is 6, composition direct current double-salient-pole switched reluctance brushless electric machine.Adopt this technological scheme this, number of poles quantity is less, can produce higher rotating speed.
Further, described rotor 7 comprises the rotor housing 73 on laminated rotor iron core 71, magnetic shoe 72, coated described laminated rotor iron core and magnetic shoe excircle, the left end cap 75 closing described laminated rotor iron core and magnetic shoe both sides end face and right end cap 74.Adopt this technological scheme this, whole rotor forms one, and under High Rotation Speed situation, rotor housing 73 can offset the centrifugal force produced, and improve intensity and the reliability of device, and rotor housing 73 forms comparatively smooth outline shape, reduces water resistance.
Further, the excircle of described laminated rotor iron core 71 arranges some grooves, described magnetic shoe 72 is arranged in described groove.Adopt this technological scheme this, be conducive to the volume reducing rotor.
Further, the material of described rotor housing 73, left end cap 75 and right end cap 74 is every magnetic and has stainless steel or the copper of some strength.Adopt this technological scheme this, rotor housing changes according to the external diameter of rotor, rotor housing can not only prevent epitrochanterian magnetic shoe from throwing away under the influence of centrifugal force, preventing layer stacked rotor iron core and magnetic shoe get rusty, owing to adopting NULL, avoid and form closed magnetic circuit between rotor and rotor housing, the effective normal operation ensureing motor.
Further, between 4 salient poles of described rotor 7, packing material is set.Adopt this technological scheme this, be conducive to rotor and form comparatively smooth outline shape, reduce water resistance.
Further, described packing material and salient pole are injected into one.Adopt this technological scheme this, Simplified flowsheet.
Further, the winding of described stator is concentratred winding.Adopt this technological scheme this, it is convenient that concentratred winding has coiling, the feature that end is shorter and loss is little.
Further, described sleeve 8 adopts PPS+40%GF NULL.PPS material has good thermal stability, not magnetic conduction, mechanical strength is higher, the advantage of creep resistant and fatigue resistance.
Further, described sliding bearing 9 is adopted as and has water lubrication function and heat-conducting property better and the graphite bearing of the high leaching antimony of intensity, leaching copper.Leaching antimony graphite is a kind of excellent selflubricating abrasive-resistant material, and antimony metal is water insoluble, hydrochloric acid and concentrated alkali solution, uses under being particularly suitable for the mixture condition conditions such as water, oil, ethylene glycol, kerosene.Antimony seldom occurs dissolving phenomenon when rubbing with steel when increasing load and improving speed.
Accompanying drawing explanation
Fig. 1 is the structural representation of mode of execution 1.
Embodiment
Mode of execution 1, see accompanying drawing 1.
A kind of automobile-used direct current permanent magnetic brushless electric water pump, comprise motor cylindrical shell 5, be fixed on the controller shell 10 of motor cylindrical shell 5 one end, the water pump cover of the other end, be arranged on the brushless electric machine in motor cylindrical shell 5, described water pump cover is made up of upper volute 3 and lower spiral case 4, wherein upper volute comprises cooling liquid inlet 1 and outlet 2, and front end and the upper volute of lower spiral case are affixed, and rearward end and the motor cylindrical shell 5 of lower spiral case are affixed; Arrange blind chamber bearing chamber 101 towards the side of motor cylindrical shell in the middle part of described controller shell 10, arrange cavity bearing chamber 42 in the middle part of lower spiral case 4, blind chamber bearing chamber 101 and cavity bearing chamber 42 install sliding bearing 9 respectively; Described brushless electric machine comprise be fixed on motor cylinder inboard wall stator 6, be arranged on two sliding bearings 9 with the hollow rotor shaft 76 of water channel 163, the rotor 7 be fixed on rotor shaft 76; One end of rotor shaft 76 is through affixed impeller 18 after lower spiral case 4; Low pressure recycle water channel 164 is offered at the center of impeller 18, and water channel 163 communicates with low pressure recycle water channel 164; Near lower spiral case 4 between that sliding bearing 9 and rotor 7, thrust shaft bearing sleeve 20 is set, thrust bearing 19 is set in thrust shaft bearing sleeve 20; Sleeve 8 is set between stator 6 and rotor 7, sleeve 8 one end and controller shell 10 seal, the other end and lower spiral case 4 seal; Arrange several cycle of higher pressure water channels 17 within angle head cylindrical on lower spiral case 4, corresponding to sleeve 8, the cavity that cycle of higher pressure water channel 17 is gone along with sb. to guard him with lower spiral case 4 with sleeve 8, controller shell 10 communicates; Sleeve 8 is set between stator 6 and rotor 7, sleeve 8 one end and controller shell 10 seal, the other end and lower spiral case 4 seal; Arrange 6 cycle of higher pressure water channels 17 within angle head cylindrical on lower spiral case 4, corresponding to sleeve 8, the cavity that cycle of higher pressure water channel 17 is gone along with sb. to guard him with lower spiral case 4 with sleeve 8, controller shell 10 communicates.Described controller shell 10, away from the side formation control box 15 of motor cylindrical shell, is installed in Direct box and is utilized counterelectromotive force detection rotor position and the controller 14 and the power outlet that control motor speed.Upper volute 3 and lower spiral case 4 realize static axial seal by the first seal ring 13 be arranged between the two end face; Static axial seal is realized by the second seal ring 11 be arranged between the two end face between sleeve 8 and controller shell 10; Static axial seal is realized by the 3rd seal ring 12 be arranged between the two end face between sleeve 8 and lower spiral case 4; By O RunddichtringO 21 radial seal between bottom 24 and controller shell 10; Controller shell 10 and motor cylindrical shell 5 junction are by the 2nd O type circle 22 radial seal; Motor cylindrical shell 5 and lower spiral case 4 junction are by the 3rd O type circle 23 radial seal, and the dustproof and waterproof grade of O type circle is more than IP68.The cavity helically formula structure that described upper volute 3 and lower spiral case 4 are gone along with sb. to guard him, its spiral angle is 26 °.Water outlet 2 on described upper volute 3 is diffusion structure, and its diffusion angle is 12 °; The number of poles of rotor 7 is 4, and the number of poles of stator 6 is 6, composition direct current permanent magnetic brushless electric machine.Described rotor 7 comprises the rotor housing 73 on laminated rotor iron core 71, magnetic shoe 72, coated described laminated rotor iron core and magnetic shoe excircle, the left end cap 75 closing described laminated rotor iron core and magnetic shoe both sides end face and right end cap 74.The excircle of described laminated rotor iron core 71 arranges some grooves, and described magnetic shoe 72 is arranged in described groove.The material of described rotor housing 73, left end cap 75 and right end cap 74 is every magnetic and has stainless steel or the copper of some strength.Described sleeve 8 adopts PPS+40%GF NULL.The winding of described stator is concentratred winding 62.Described sliding bearing 9 is adopted as has water lubrication function and heat-conducting property better and the graphite bearing of the high leaching antimony of intensity, leaching copper.
Mode of execution 2, with reference to accompanying drawing 1.
A kind of automobile-used direct current double-salient-pole switched reluctance brushless electric water pump, other are with mode of execution 1, unlike: the salient pole number of rotor 7 is 4, and the number of poles of stator 6 is 6, composition direct current double-salient-pole switched reluctance brushless electric machine, arranges packing material between 4 salient poles of described rotor 7.Described packing material and salient pole are injected into one.
Claims (15)
1. an automobile-used brush DC electric water pump, comprise motor cylindrical shell (5), be fixed on the controller shell (10) of motor cylindrical shell (5) one end, the water pump cover of the other end, be arranged on the brushless electric machine in motor cylindrical shell (5), it is characterized in that: described water pump cover is made up of upper volute (3) and lower spiral case (4), wherein upper volute comprises cooling liquid inlet (1) and outlet (2), and front end and the upper volute of lower spiral case are affixed, and rearward end and the motor cylindrical shell (5) of lower spiral case are affixed; Described controller shell (10) middle part arranges blind chamber bearing chamber (101) towards the side of motor cylindrical shell, lower spiral case (4) middle part arranges cavity bearing chamber (42), and blind chamber bearing chamber (101) and cavity bearing chamber (42) install sliding bearing (9) respectively; Described brushless electric machine comprise be fixed on motor cylinder inboard wall stator (6), be arranged on two sliding bearings (9) with the hollow rotor shaft (76) of water channel (163), the rotor (7) be fixed on rotor shaft (76); One end of rotor shaft (76) is through lower spiral case (4) affixed impeller (18) afterwards; Low pressure recycle water channel (164) is offered at the center of impeller (18), and water channel (163) communicates with low pressure recycle water channel (164); Arranging thrust shaft bearing sleeve (20) between that sliding bearing (9) and rotor (7) of lower spiral case (4), thrust bearing (19) is set in thrust shaft bearing sleeve (20); Sleeve (8) is set between stator (6) and rotor (7), sleeve (8) one end and controller shell (10) seal, the other end and lower spiral case (4) seal; Arrange several cycle of higher pressure water channels (17) within the angle head cylindrical of lower spiral case (4) above, corresponding to sleeve (8), the cavity that cycle of higher pressure water channel (17) is gone along with sb. to guard him with lower spiral case (4) with sleeve (8), controller shell (10) communicates.
2. the automobile-used brush DC electric water pump of one according to claim 1, it is characterized in that: described controller shell (10), away from side formation control box (15) of motor cylindrical shell, is installed in Direct box and utilized counterelectromotive force detection rotor position and the controller (14) and the power outlet that control motor speed.
3. the automobile-used brush DC electric water pump of one according to claim 1, is characterized in that: upper volute (3) and lower spiral case (4) realize static axial seal by the first seal ring (13) be arranged between the two end face; Static axial seal is realized by the second seal ring (11) be arranged between the two end face between sleeve (8) and controller shell (10); Static axial seal is realized by the 3rd seal ring (12) be arranged between the two end face between sleeve (8) and lower spiral case (4); By O RunddichtringO (21) radial seal between bottom (24) and controller shell (10); Controller shell (10) and motor cylindrical shell (5) junction are by the 2nd O type circle (22) radial seal; Motor cylindrical shell (5) and lower spiral case (4) junction are by the 3rd O type circle (23) radial seal, and the dustproof and waterproof grade of O type circle is more than IP68.
4. the automobile-used brush DC electric water pump of one according to claim 1, is characterized in that: the cavity helically formula structure that described upper volute (3) and lower spiral case (4) are gone along with sb. to guard him, and its spiral angle is 26 ° ~ 30 °.
5. the automobile-used brush DC electric water pump of one according to claim 1, is characterized in that: the water outlet (2) on described upper volute (3) is diffusion structure, and its diffusion angle is 7 ° ~ 13 °.
6. the automobile-used brush DC electric water pump of one according to claim 1, is characterized in that: the number of poles of rotor (7) is 4, and the groove number of stator (6) is 6, composition direct current permanent magnetic brushless electric machine.
7. the automobile-used brush DC electric water pump of one according to claim 1, is characterized in that: the salient pole number of rotor (7) is 4, and the number of poles of stator (6) is 6, composition direct current double-salient-pole switched reluctance brushless electric machine.
8. the automobile-used brush DC electric water pump of one according to claim 6, is characterized in that: described rotor (7) comprises the rotor housing (73) on laminated rotor iron core (71), magnetic shoe (72), coated described laminated rotor iron core and magnetic shoe excircle, the left end cap (75) closing described laminated rotor iron core and magnetic shoe both sides end face and right end cap (74).
9. the automobile-used brush DC electric water pump of one according to claim 8, is characterized in that: the excircle of described laminated rotor iron core (71) arranges some grooves, and described magnetic shoe (72) is arranged in described groove.
10. the automobile-used brush DC electric water pump of one according to claim 8, is characterized in that: the material of described rotor housing (73), left end cap (75) and right end cap (74) is every magnetic and has stainless steel or the copper of some strength.
The automobile-used brush DC electric water pump of 11. one according to claim 7, is characterized in that: arrange packing material between 4 salient poles of described rotor (7).
The automobile-used brush DC electric water pump of 12. one according to claim 11, is characterized in that: described packing material and salient pole are injected into one.
The automobile-used brush DC electric water pump of 13. one according to claim 1, is characterized in that: the winding of described stator is concentratred winding (62).
The automobile-used brush DC electric water pump of 14. one according to claim 1, is characterized in that: described sleeve (8) adopts PPS+40%GF NULL.
The automobile-used brush DC electric water pump of 15. one according to claim 1, is characterized in that: described sliding bearing (9) is adopted as has water lubrication function and heat-conducting property better and the graphite bearing of the high leaching antimony of intensity, leaching copper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520477705.2U CN204783716U (en) | 2015-07-06 | 2015-07-06 | Brushless electric water pump of automobile -used direct current |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520477705.2U CN204783716U (en) | 2015-07-06 | 2015-07-06 | Brushless electric water pump of automobile -used direct current |
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| Publication Number | Publication Date |
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| CN204783716U true CN204783716U (en) | 2015-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520477705.2U Active CN204783716U (en) | 2015-07-06 | 2015-07-06 | Brushless electric water pump of automobile -used direct current |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106194790A (en) * | 2016-07-14 | 2016-12-07 | 上海品星防爆电机有限公司 | A kind of aerator |
| CN106704208A (en) * | 2017-03-06 | 2017-05-24 | 威隼汽车科技（宁波）有限公司 | Automobile electronic water pump |
| CN107276257A (en) * | 2017-07-31 | 2017-10-20 | 广东威灵电机制造有限公司 | Rotor and preparation method thereof, motor and electronic water pump |
| CN107269546A (en) * | 2017-07-31 | 2017-10-20 | 广东威灵电机制造有限公司 | Electronic water pump |
| CN107476987A (en) * | 2017-07-31 | 2017-12-15 | 广东威灵电机制造有限公司 | Electronic water pump |
| CN108372781A (en) * | 2018-04-03 | 2018-08-07 | 阜新德尔汽车部件股份有限公司 | Vehicle intelligent thermal control system |
| CN108661922A (en) * | 2018-05-11 | 2018-10-16 | 克奥兹泵业（深圳）有限公司 | centrifugal water pump and its driving method |
| CN109842259A (en) * | 2019-01-16 | 2019-06-04 | 宁波双林汽车部件股份有限公司 | A kind of sextupole lightweight electric seat of car motor |
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2015
- 2015-07-06 CN CN201520477705.2U patent/CN204783716U/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106194790A (en) * | 2016-07-14 | 2016-12-07 | 上海品星防爆电机有限公司 | A kind of aerator |
| CN106704208A (en) * | 2017-03-06 | 2017-05-24 | 威隼汽车科技（宁波）有限公司 | Automobile electronic water pump |
| CN107276257A (en) * | 2017-07-31 | 2017-10-20 | 广东威灵电机制造有限公司 | Rotor and preparation method thereof, motor and electronic water pump |
| CN107269546A (en) * | 2017-07-31 | 2017-10-20 | 广东威灵电机制造有限公司 | Electronic water pump |
| CN107476987A (en) * | 2017-07-31 | 2017-12-15 | 广东威灵电机制造有限公司 | Electronic water pump |
| CN107476987B (en) * | 2017-07-31 | 2021-01-22 | 广东威灵汽车部件有限公司 | Electronic water pump |
| CN108372781A (en) * | 2018-04-03 | 2018-08-07 | 阜新德尔汽车部件股份有限公司 | Vehicle intelligent thermal control system |
| CN108661922A (en) * | 2018-05-11 | 2018-10-16 | 克奥兹泵业（深圳）有限公司 | centrifugal water pump and its driving method |
| CN109842259A (en) * | 2019-01-16 | 2019-06-04 | 宁波双林汽车部件股份有限公司 | A kind of sextupole lightweight electric seat of car motor |
| CN109842259B (en) * | 2019-01-16 | 2024-03-15 | 宁波双林汽车部件股份有限公司 | Six-pole light-weight automobile electric seat motor |
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