CN202851381U - Direct current brushless magnetic force water pump - Google Patents

Direct current brushless magnetic force water pump Download PDF

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Publication number
CN202851381U
CN202851381U CN 201220546317 CN201220546317U CN202851381U CN 202851381 U CN202851381 U CN 202851381U CN 201220546317 CN201220546317 CN 201220546317 CN 201220546317 U CN201220546317 U CN 201220546317U CN 202851381 U CN202851381 U CN 202851381U
Authority
CN
China
Prior art keywords
motor
water pump
bearing
pump
brush
Prior art date
Application number
CN 201220546317
Other languages
Chinese (zh)
Inventor
邵玉清
孙宝华
Original Assignee
河北深海电器有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 河北深海电器有限公司 filed Critical 河北深海电器有限公司
Priority to CN 201220546317 priority Critical patent/CN202851381U/en
Application granted granted Critical
Publication of CN202851381U publication Critical patent/CN202851381U/en

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Abstract

The utility model discloses a direct current brushless magnetic force water pump. An isolating chamber which is communicated with cooling media is added in a motor of the water pump, and a rotor of the motor is arranged in the isolating chamber so that the cooling media can cool the motor of the water pump. The cooling effect is good, so that when the lift is large, the temperature of the motor is not high, the using temperature range of the water pump is widened, and the lift of the water pump is increased. The water pump can be widely applied to various vehicles. Compared with other cooling water pumps, the water pump has the advantages that the structure is compact, the service life is long, the noises are low, the using temperature range is wide, the leakage of heat-conducting media is absent after long time usage, and the like.

Description

A kind of brush DC magnetic water pump
Technical field
The utility model relates to the auto parts and components field, particularly a kind of brush DC magnetic water pump for the automobile cooling heat-radiation circulation system.
Background technique
Behind the automobile starting, motor, electronic control components and parts etc. all can produce a large amount of heat, and these heats that produce must in time be discharged by heat dissipation circulating system, motor, electronic control components and parts etc. can be worked in certain temperature range, and cooling waterpump is exactly the power source that the radiation system heat-conducting medium circulates.
The plurality of advantages such as at present, the volume owing to the brushless direct-current water pump is little, noise is low, be difficult for leaking, maintenance cost is low are widely used in the cooling waterpump of vehicle.But also there is following shortcoming in the brshless DC motor that adopts at present: when the high-lift parameter of water pump needs, namely export when high-power, the rotating speed of motor is higher, produce a large amount of heat during the component workings such as the controller of electric machine built-in, stator, rolling bearing, because natural heat dissipation speed is slow, motor temperature raises, so the Environmental Conditions temperature of water pump has certain narrow limitation, and lift is also unsuitable excessive simultaneously.
The model utility content
In order to solve the bad and technical problem that the Environmental Conditions temperature is limited and lift is little of the cooling waterpump that causes of brshless DC motor radiating effect in the prior art, the utility model provides a kind of brush DC magnetic water pump, have additional the separate cavities that is connected with cooling medium in the motor of this water pump, the rotor of motor is arranged in the separate cavities, cooling medium can be cooled off the motor of water pump, like this at water pump when lift is larger, because good heat dissipation effect, the temperature of motor can be very not high, thereby enlarged the serviceability temperature scope of water pump.
The utility model for the technological scheme that solves its technical problem employing is: a kind of brush DC magnetic water pump, comprise dc brushless motor, dc brushless motor comprises the stator that is arranged in the electric machine casing, rotor in the stator and the motor shaft in the rotor, one end of electric machine casing is provided with motor flange, the outside of motor flange is sealedly connected with pump cover, form pump chamber between motor flange and the pump cover, the impeller that one end of motor shaft passes in motor flange and the pump chamber is connected, the inboard of stator also is provided with separation sleeve, separation sleeve is the tubular of end sealing, opening end and the motor flange of separation sleeve are tightly connected, rotor is arranged in the interior separate cavities of separation sleeve, and motor flange is provided with the through hole that is communicated with separate cavities and pump chamber.
Separation sleeve and motor flange are tightly connected, and separate cavities can not be connected with the space at stator or controller place, and cooling medium such as cooling liquid can only enter separate cavities through through hole from the pump chamber of water pump and the rotor in the separate cavities is cooled off like this.Thereby avoided cooling medium to leak the motor short circuit that causes or burnt, because cooling medium directly cools off the rotor of motor, so effective to cooling of motor, when lift is larger, the temperature of motor can be very not high, thereby the serviceability temperature scope that has enlarged water pump has also improved the lift of water pump.
Is connected by clutch shaft bearing between one end of preferred motor shaft and the motor flange, is provided with bearing housing in the closed end of separation sleeve, be provided with the second bearing in the bearing housing, the other end of motor shaft passes through the second bearing and is connected with the closed end of separation sleeve with bearing housing.
Preferably in a rotor side adjacent with motor flange, motor shaft is socketed with the end face bearing outward, end face bearing and clutch shaft bearing butt.
Preferred impeller is double shrouded wheel.
The other end of preferred electric machine casing is provided with motor rear cover.
Preferred dc brushless motor also comprises controller, and controller is arranged on the inboard of the other end of electric machine casing.
The surface of preferred pump cover is provided with water intake and water outlet.
The beneficial effects of the utility model are: owing to cool effectively, when lift was larger, the temperature of motor can be very not high, thereby the serviceability temperature scope that has enlarged water pump has also improved the lift of water pump.This water pump can be widely used in various types of vehicles, and it is compared with other cooling waterpump, and distinguishing feature is that compact structure, long service life, noise are low, the characteristics such as heat-conducting medium seepage do not occur for serviceability temperature wide ranges, long-term use.
Description of drawings
Below in conjunction with accompanying drawing brush DC magnetic water pump described in the utility model is described in further detail.
Fig. 1 is the erection drawing of brush DC magnetic water pump described in the utility model.
Fig. 2 is Fig. 1 right elevation.
Fig. 3 is the schematic perspective view of brush DC magnetic water pump described in the utility model.
Fig. 4 is the explosive view of brush DC magnetic water pump described in the utility model.
Fig. 5 is the stereogram of double shrouded wheel.
Fig. 6 is the stereogram of unshrouded impeller.
Fig. 7 is the sectional view of the separation sleeve in the brush DC magnetic water pump described in the utility model.
1. dc brushless motors wherein, 11. electric machine casings, 111. motor rear covers, 12. stators, 13. rotor, 14. motor flanges, 141. through holes, 15. motor shafts, 16. separation sleeve, the opening end of 161. separation sleeves, the closed end of 162. separation sleeves, 163. separate cavities, 17. clutch shaft bearing, 18. end face bearings, 19. second bearing, 2. pump covers, 21. pump chamber, 22. water intakes, 23. water outlets, 24. impeller, 3. controller, 4. seal ring.
Embodiment
Below in conjunction with accompanying drawing brush DC magnetic water pump described in the utility model is described in detail.A kind of brush DC magnetic water pump, comprise dc brushless motor 1, dc brushless motor 1 comprises the stator 12 that is arranged in the electric machine casing 11, motor shaft 15 in rotor 13 in the stator and the rotor 13, one end of electric machine casing 11 is provided with motor flange 14, the outside of motor flange 14 is sealedly connected with pump cover 2, form pump chamber 21 between motor flange 14 and the pump cover 2, the impeller 24 that one end of motor shaft 15 passes in motor flange 14 and the pump chamber 21 is connected, the inboard of stator 12 also is provided with separation sleeve 16, separation sleeve 16 is the tubular of end sealing, opening end 161 and the motor flange 14 of separation sleeve are tightly connected, rotor 13 is arranged in the separate cavities 163 in the separation sleeve 16, motor flange 14 is provided with the through hole 141 that is communicated with separate cavities 163 and pump chamber 21, such as Fig. 1, Fig. 2, Fig. 3, Fig. 4, shown in Figure 7.
Separation sleeve 16 is tightly connected with motor flange 14, separate cavities 163 can not be connected with the space at stator 12 or controller 3 places, and cooling medium such as cooling liquid can only enter separate cavities 163 through through hole 141 from the pump chamber 21 of water pump and the rotor 13 in the separate cavities 163 is cooled off like this.Thereby avoided cooling medium to leak the motor short circuit that causes or burnt, because cooling medium directly cools off the rotor of motor, so effective to cooling of motor, when lift is larger, the temperature of motor can be very not high, thereby the serviceability temperature scope that has enlarged water pump has also improved the lift of water pump.In addition, through hole 141 is arranged in the motor flange 14, can cool the cooling heat dissipation better effects if to motor flange 14 and the electric machine casing 11 that is connected with motor flange 14.
Be the noise and further the raising motor rotation life-span that reduce motor rotation, the two ends of motor shaft are provided with bearing.Specifically be connected by clutch shaft bearing 17 between an end of motor shaft 15 and the motor flange 14, clutch shaft bearing 17 is arranged in the separate cavities 163.Be provided with bearing housing 163 in the closed end 162 of separation sleeve, be provided with the second bearing 19 in the bearing housing 163, the other end of motor shaft 15 is connected with bearing housing and is connected with the closed end 162 of separation sleeve by the second bearing 19.Because motor shaft 15 is subjected under the effect of impeller 24 to the axial force of impeller direction during pump working, be that motor shaft 15 can be subject to such as from left to right axial force among Fig. 1, in order to offset this axial force, avoid motor shaft 15 to move right, in the adjacent side of rotor 13 and motor flange 14, the motor shaft 15 outer end face bearings 18 that are socketed with, end face bearing 18 and clutch shaft bearing 17 butts.Preferred clutch shaft bearing 17 and the second bearing 19 are radial sliding bearing, and end face bearing 18 is the end face sliding bearing, and the bearing material adopts stupalith SiC, and this material hardness is high, and surface accuracy is high, and wear-resisting property is good, and is high temperature resistant.
Because clutch shaft bearing 17, end face bearing 18 and the second bearing 19 all are arranged in the separate cavities 163, and heat-conducting medium is arranged on every side, and heat-conducting medium can be used as freezing mixture and the oiling agent of above-mentioned three bearings.Motor is in situation about running up like this, and bearing still keeps low noise and long-life, also realizes the high-lift sufficient condition of having created for water pump.
In order further to increase pump head, the structure of impeller 24 adopts the double shrouded wheel structure, such as Fig. 5, replaces unshrouded impeller structure of the prior art, such as Fig. 6 simultaneously.On the Centrifugal water pump working principle, under the identical rotating speed of impeller, adopt the double shrouded wheel structure larger than the lift of unshrouded impeller structure.Therefore adopt the double shrouded wheel structure in the certain situation of motor speed, can further improve the work lift of water pump, can further widen like this application area of pump head.
The other end of electric machine casing 11 is provided with motor rear cover 111.Dc brushless motor 1 also comprises controller 3, and controller 3 is arranged on the inboard of the other end of electric machine casing 11.Controller 3 is arranged on the volume that can reduce motor in the electric machine casing like this, thereby reduces the volume of water pump, makes water pump be adapted at using on various types of vehicles.
In addition, the surface of pump cover 2 is provided with water intake 22 and water outlet 23, in order to guarantee sealing, the joint of pump cover 2 and motor flange 14 is provided with seal ring 4, the joint of separation sleeve 16 and motor flange 14 also is provided with seal ring 4, the sealing of separate cavities 163 and pump chamber 21 all adopts static sealing to be assembled, and just there is not the problem of leaking and leaking outside in the heat-conducting medium in water pump like this.
The working procedure of brush DC magnetic water pump described in the utility model is as follows: after dc brushless motor 1 energising, built-in controller 3 control motor stators 12 produce rotating magnetic field, rotating magnetic field acts on separation sleeve 16 interior magnetic rotor 13 and the rotor drivens 13 be with and rotates, because impeller 24 is by the end of screw fastening at motor shaft 15, therefore can impeller 24 rotate after motor shaft rotates, after cooling medium enters pump chamber 21 from water intake 22, part cooling medium can enter 163 pairs of rotors 13 of separate cavities from through hole 141, motor flange 14 and bearing cool off, and then from through hole 141 flow out with pump chamber in another part cooling medium converge and flow out water pumps from water outlet 23.
The above; only be specific embodiment of the utility model, can not limit the scope that model utility is implemented with it, so the displacement of its equivalent assemblies; or according to equivalent variations and modification that the utility model scope of patent protection is done, all should still belong to the category that this patent is contained.

Claims (7)

1. brush DC magnetic water pump, comprise dc brushless motor (1), dc brushless motor (1) comprises the stator (12) that is arranged in the electric machine casing (11), rotor (13) in the stator and the motor shaft (15) in the rotor (13), one end of electric machine casing (11) is provided with motor flange (14), the outside of motor flange (14) is sealedly connected with pump cover (2), form pump chamber (21) between motor flange (14) and the pump cover (2), the impeller (24) that one end of motor shaft (15) passes in motor flange (14) and the pump chamber (21) is connected, it is characterized in that: the inboard of stator (12) also is provided with separation sleeve (16), separation sleeve (16) is the tubular of end sealing, the opening end of separation sleeve (161) is tightly connected with motor flange (14), rotor (13) is arranged in the interior separate cavities (163) of separation sleeve (16), and motor flange (14) is provided with the through hole (141) that is communicated with separate cavities (163) and pump chamber (21).
2. brush DC magnetic water pump according to claim 1, it is characterized in that: be connected by clutch shaft bearing (17) between an end of motor shaft (15) and the motor flange (14), be provided with bearing housing (163) in the closed end of separation sleeve (162), be provided with the second bearing (19) in the bearing housing (163), the other end of motor shaft (15) is connected 163 by the second bearing (19) with bearing housing) be connected with the closed end (162) of separation sleeve.
3. brush DC magnetic water pump according to claim 2, it is characterized in that: in rotor (a 13) side adjacent with motor flange (14), the outer end face bearing (18) that is socketed with of motor shaft (15), end face bearing (18) and clutch shaft bearing (17) butt.
4. brush DC magnetic water pump according to claim 1, it is characterized in that: impeller (24) is double shrouded wheel.
5. brush DC magnetic water pump according to claim 1, it is characterized in that: the other end of electric machine casing (11) is provided with motor rear cover (111).
6. brush DC magnetic water pump according to claim 1, it is characterized in that: dc brushless motor (1) also comprises controller (3), controller (3) is arranged on the inboard of the other end of electric machine casing (11).
7. brush DC magnetic water pump according to claim 1, it is characterized in that: the surface of pump cover (2) is provided with water intake (22) and water outlet (23).
CN 201220546317 2012-10-23 2012-10-23 Direct current brushless magnetic force water pump CN202851381U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220546317 CN202851381U (en) 2012-10-23 2012-10-23 Direct current brushless magnetic force water pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220546317 CN202851381U (en) 2012-10-23 2012-10-23 Direct current brushless magnetic force water pump

Publications (1)

Publication Number Publication Date
CN202851381U true CN202851381U (en) 2013-04-03

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220546317 CN202851381U (en) 2012-10-23 2012-10-23 Direct current brushless magnetic force water pump

Country Status (1)

Country Link
CN (1) CN202851381U (en)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103256257A (en) * 2013-04-22 2013-08-21 东莞市深鹏电子有限公司 Mini-sized high-speed cooling-water machine water pump
CN103256242A (en) * 2013-05-04 2013-08-21 东莞市深鹏电子有限公司 Electronic water pump for automobile
CN104675711A (en) * 2015-02-12 2015-06-03 常州市凯程精密汽车部件有限公司 Electronic water pump
CN104776033A (en) * 2014-01-14 2015-07-15 高涵文 Corrosion resistance and dry grinding resistance magnetic drive pump
CN104912815A (en) * 2014-03-12 2015-09-16 汉宁电气工厂有限责任两合公司 Pump device
CN106257803A (en) * 2015-06-16 2016-12-28 奥迪股份公司 Motor
CN107248789A (en) * 2017-07-31 2017-10-13 广东威灵电机制造有限公司 Stator module, motor, the assemble method of electronic water pump and stator
WO2018053736A1 (en) * 2016-09-21 2018-03-29 易达科技(深圳)有限公司 Submersible pump system and submersible pump thereof
CN110145479A (en) * 2019-05-23 2019-08-20 大连海事大学 A kind of electric compressor of included rotor cooling system
CN110486290A (en) * 2019-08-02 2019-11-22 中国航空工业集团公司金城南京机电液压工程研究中心 A kind of canned motor pump
CN110998096A (en) * 2017-08-02 2020-04-10 株式会社爱发科 Vacuum pump
CN111425404A (en) * 2020-04-10 2020-07-17 芜湖飞龙汽车电子技术研究院有限公司 High-lift low-axial-force two-stage wet electronic centrifugal pump and using method thereof

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103256257A (en) * 2013-04-22 2013-08-21 东莞市深鹏电子有限公司 Mini-sized high-speed cooling-water machine water pump
CN103256257B (en) * 2013-04-22 2016-09-07 东莞市深鹏电子有限公司 Miniature high-speed cooling-water machine water pump
CN103256242B (en) * 2013-05-04 2016-08-31 东莞市深鹏电子有限公司 Electronic water pump for automobile
CN103256242A (en) * 2013-05-04 2013-08-21 东莞市深鹏电子有限公司 Electronic water pump for automobile
CN104776033A (en) * 2014-01-14 2015-07-15 高涵文 Corrosion resistance and dry grinding resistance magnetic drive pump
CN104776033B (en) * 2014-01-14 2017-09-15 高涵文 A kind of magnetic drive pump of corrosion-resistant anti-dry grinding
CN104912815A (en) * 2014-03-12 2015-09-16 汉宁电气工厂有限责任两合公司 Pump device
CN104675711A (en) * 2015-02-12 2015-06-03 常州市凯程精密汽车部件有限公司 Electronic water pump
CN106257803A (en) * 2015-06-16 2016-12-28 奥迪股份公司 Motor
CN106257803B (en) * 2015-06-16 2019-03-12 奥迪股份公司 Motor
WO2018053736A1 (en) * 2016-09-21 2018-03-29 易达科技(深圳)有限公司 Submersible pump system and submersible pump thereof
CN107248789A (en) * 2017-07-31 2017-10-13 广东威灵电机制造有限公司 Stator module, motor, the assemble method of electronic water pump and stator
CN110998096A (en) * 2017-08-02 2020-04-10 株式会社爱发科 Vacuum pump
CN110998096B (en) * 2017-08-02 2021-03-23 株式会社爱发科 Vacuum pump
CN110145479A (en) * 2019-05-23 2019-08-20 大连海事大学 A kind of electric compressor of included rotor cooling system
CN110486290A (en) * 2019-08-02 2019-11-22 中国航空工业集团公司金城南京机电液压工程研究中心 A kind of canned motor pump
CN111425404A (en) * 2020-04-10 2020-07-17 芜湖飞龙汽车电子技术研究院有限公司 High-lift low-axial-force two-stage wet electronic centrifugal pump and using method thereof

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