CN103795177A - Permanent magnet motor and water pump with same - Google Patents
Permanent magnet motor and water pump with same Download PDFInfo
- Publication number
- CN103795177A CN103795177A CN201410015417.5A CN201410015417A CN103795177A CN 103795177 A CN103795177 A CN 103795177A CN 201410015417 A CN201410015417 A CN 201410015417A CN 103795177 A CN103795177 A CN 103795177A
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- motor
- stator
- back cover
- fixed
- water pump
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 29
- 238000001816 cooling Methods 0.000 claims abstract description 39
- 210000002435 tendon Anatomy 0.000 claims description 8
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 230000017525 heat dissipation Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 3
- 230000005855 radiation Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 239000000969 carrier Substances 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The invention discloses a permanent magnet motor. The permanent magnet motor comprises a front motor shell, a rear motor shell, a stator, a rotor and a motor shaft, wherein the front motor shell and the rear motor shell are mutually fixed so as to form a motor shell, the stator and the rotor are arranged in the motor shell, and the motor shaft penetrates through the front motor shell and the rear motor shell. The permanent magnet motor is characterized in that the middle portion of the rear motor shell is recessed inwards, so that an integrated stator base is formed, the stator is fixed to the stator base, and the rotor is fixed to the motor shaft and located on the outer periphery of the stator; a fan located outside the rear motor shell is fixed to the motor shaft, a circle of air guide protruding rib surrounding the motor shaft is integrally arranged on the fan and extends into a concave cavity formed in the mode that the rear motor shell is recessed inwards, and a U-shaped air duct used for cooling the stator base is formed between the inner walls of the concave cavity. According to the permanent magnet motor, heat dissipation and the size are considered. The invention further discloses a water pump with the permanent magnet motor. The water pump has the advantages of being good in heat dissipation effect, compact in structure and small in size as well.
Description
Technical field
the present invention relates to a kind of magneto and use the water pump of this motor, relate in particular to the water pump of taking into account the magneto of heat radiation and volume after structural improvement and using it.
Background technology
the fan cooled of three-phase motor with permanent magnets in the market all adopts shaft orientation flowing channel, and wind is blown over from the part of stator seat middle part hollow out, and the stator seat wall of cannot flowing through also just cannot effectively be implemented cooling to stator seat.And shaft orientation flowing channel easily introduces dust between motor shaft, further lower radiating efficiency, more cannot take into account the cooling of hull outside frequency-variable controller (box) part.
in addition, conventional three-phase motor with permanent magnets is because of stator support is set between front, back casing, and structure is compact not, and especially when this stator support is added to, relevant utilization carrier (for example small pump) can seem too fat to move after above, cost is high, weak heat-dissipating.Existing three-phase motor with permanent magnets cannot be taken into account heat radiation and volume in a word, and install utilization additional and for example, carry out structure optimization to other carriers (water pump) Shi Junxu, configuration inconvenience, and cost is high.
Summary of the invention
the present invention seeks to: a kind of magneto of taking into account heat radiation and volume is provided, and it is less that it compares routine techniques volume, more compact structure, and heat dissipation wind channel is optimized, can take into account frequency-variable controller (box) part cooling, further improve cooling effect.
technical scheme of the present invention is: a kind of magneto, comprising interfixes form motor housing motor fore shell and motor back cover, be located at stator and rotor in described motor housing, motor shaft through the forward and backward shell of described motor, it is characterized in that the inwardly recessed stator seat that is integrally formed of described motor back cover middle part, described stator is fixed on stator seat, and rotor is fixed on motor shaft and is positioned at stator periphery; On described motor shaft, be fixed with the fan that is positioned at motor back cover outside, on described fan, be integrally formed with the wind-guiding convex tendon of a ring around motor shaft, described wind-guiding convex tendon stretches in inside recessed the formed cavity of motor back cover, and forms stator seat is implemented to cooling U-shaped air channel between cavity inwall.
further, described in the present invention, on motor housing, be fixed with frequency-variable controller box, on described frequency-variable controller box, have the air port being communicated with described U-shaped air channel.
further, the fore shell of motor described in the present invention and motor back cover center are equipped with axis hole, and described motor shaft assembles with corresponding axis hole by bearing; And on the cavity inwall of the inside recessed formation stator seat in described motor back cover middle part, be divergent shape around central shaft hole and form some radiating fins.
further, radiating fin described in the present invention is the even interval of equal angles layout.
further, stator described in the present invention comprises the stator core being placed on described stator seat, and described stator core periphery is evenly intervally distributed with some unwrapping wire grooves, and unwrapping wire groove is built-in with stator coil; And described rotor comprises and is fixed the flywheel on motor shaft by keyway, the curved flange that has a circle to surround stator of described flywheel surrounding, on described flange inwall, evenly interval is fixed with magnetic shoe.
further, on the back cover of motor described in the present invention, be fixed with the fan guard that surrounds described fan, some air inlets are set on described fan guard vertically, and are upwards interval with some air outlets fan guard week, described U-shaped air channel is connected with the air port on frequency-variable controller box through described air outlet.
further, the box of frequency-variable controller described in the present invention is provided with cooling air inlet and cooling air outlet, described cooling air inlet is positioned at the bottom, rear end of frequency-variable controller box and is communicated with described U-shaped air channel, and described cooling air outlet is positioned at the front end sidepiece of frequency-variable controller box.
it is to be noted in magneto of the present invention, frequency-variable controller be mainly set in frequency-variable controller box, its with routine techniques equally for realizing the stepless speed regulation of carrier (water pump); Certainly, for non-frequency speed governing carrier, also need frequency-variable controller to realize the conversion of magneto operating frequency and mains frequency.
the present invention is in the time of real work, rotor drive motors axle drives fan running, air inlet by air from fan guard sucks, airflow passes fan center, enter again the U-shaped air channel forming between wind-guiding convex tendon and motor back cover and take away the heat on stator seat recess, rotor is dispelled the heat, and improve heat dissipation by radiating fin.The air-flow subsequently air outlet from fan guard flows out, and the cooling air inlet on frequency-variable controller box flows into, cooling to electronic component enforcements such as the frequency-variable controllers in box, finally flows out by cooling air outlet again.
another object of the present invention is to provide a kind of water pump that adopts above-mentioned magneto, the part that it retains water pump body, and comprising interfixes forms pump housing fore shell and the pump housing back cover of water pump body and is located at the impeller in water pump body.The motor fore shell of magneto is fixed or single type moulding with described pump housing back cover, and the motor shaft of described magneto stretches into fixing impeller in water pump body.When after magneto and water pump body enforcement assembling, the air-flow flowing out from cooling air outlet can also continue water pump body to implement cooling.
certainly it is to be noted that magneto provided by the invention is not limited to a kind of application of water pump, it can also be assembled on existing any carrier, reaches the function of taking into account volume and heat radiation.
advantage of the present invention is:
1. this magneto provided by the invention, it is arranged with stator seat by one on motor back cover, has simplified motor component, has reduced motor volume, makes motor overall structure compacter; Simultaneously, by forming air channel between motor back cover and fan, change conventional axial flow runner, made that wind energy is enough takes away stator seat surface heat by the U-shaped air channel stator seat wall of flowing through, implemented fully cooling to stator seat and upper stator thereof.
this magneto provided by the invention, it can also guarantee that cooling air is cooling to the frequency-variable controller box internal electronic element enforcement on motor housing, further improves cooling quality; Effectively guarantee that cooling air can, between centers introducing dust as routine techniques, not be beneficial to and improve radiating efficiency and electrical machinery life simultaneously.
this magneto provided by the invention, because of by motor back cover and stator seat Integral design, and guide cooling airflow through motor back cover directly to stator seat and on stator implement coolingly, add the effect of radiating fin, can greatly improve heat dissipation.
this magneto provided by the invention, it takes into account heat radiation and volume, compares that routine techniques is preferably to be applied on water pump and other carriers, and can reduce costs.
Accompanying drawing explanation
below in conjunction with drawings and Examples, the invention will be further described:
fig. 1 is structure cutaway view of the present invention (magneto and the water pump depending on thereof);
fig. 2 is the perspective view of motor back cover in the present invention's (magneto).
wherein: 1, motor fore shell; 2, motor back cover; 2a, stator seat; 3, stator; 3a, stator core; 3b, stator coil; 4, rotor; 4a, flywheel; 4b, magnetic shoe; 5, motor shaft; 6, fan; 6a, wind-guiding convex tendon; 7, frequency-variable controller box; 7a, cooling air inlet; 7b, cooling air outlet; 8, bearing; 9, radiating fin; 10, fan guard; 10a, air inlet; 10b, air outlet; 11, pump housing fore shell; 12, impeller.
Embodiment
embodiment: in conjunction with Fig. 1, Figure 2 shows that a kind of embodiment of magneto of the present invention, it is applied on water pump, front end and water pump body assembling.
the described magneto that the present embodiment provides has motor fore shell 1, with the fixing motor back cover 2 that forms motor housing of motor fore shell 1, be located at stator 3 in described motor housing and rotor 4 and the motor shaft 5 through the forward and backward shell 1,2 of described motor; Described motor back cover 2 middle parts are the recessed stator seat 2a that is integrally formed inwardly, and it is upper that described stator 3 is fixed on stator seat 2a, and 4 of rotors are fixed on motor shaft 5 and are positioned at stator 3 peripheries; On described motor shaft 5, be fixed with the fan 6 that is positioned at motor back cover 2 outsides, between described fan 6 and motor back cover 2, form air channel, also there is the frequency-variable controller box 7 being fixed on motor housing, on described frequency-variable controller box 7, have the cooling air inlet 7a being communicated with described air channel.
specifically as shown in Figure 1, on described fan 6, be integrally formed with the wind-guiding convex tendon 6a of a ring around motor shaft 5, described wind-guiding convex tendon 6a stretches in inside recessed the formed cavity of motor back cover 2, and between cavity inwall, form U-shaped air channel (make the cooling air flowing into from fan 6 centers after the bending of U-shaped air channel, fully skim over behind stator seat recess surface again to upper reaches).
specifically as shown in Figure 1, the fore shell of motor described in the present embodiment 1 and motor back cover 2 centers are equipped with axis hole, and described motor shaft 5 assembles with corresponding axis hole by bearing 8.And on the recess of the described motor back cover 2 inside recessed formation stator seat 2a in middle part, being divergent shape around central shaft hole, to form in some radiating fin 9(the present embodiment be 20), described radiating fin 9 is the even interval of equal angles to be arranged, as shown in Figure 2.
as shown in Figure 1, stator 3 described in the present embodiment is made up of stator core 3a and stator coil 3b, it is upper that described stator core 3a is placed on described stator seat 2a, and described stator core 3a periphery is evenly intervally distributed with some unwrapping wire grooves, and unwrapping wire groove is built-in with stator coil 3b.And described rotor 4 is made up of flywheel 4a and magnetic shoe 4b, described flywheel 4a is fixed on motor shaft 5 by keyway, the curved flange that has a circle to surround stator 3 of described flywheel 4a surrounding, and on described flange inwall, evenly interval is fixed with magnetic shoe 4b.
still in conjunction with shown in Fig. 1, on the back cover of motor described in the present embodiment 2, be fixed with the fan guard 10 that surrounds described fan 6, some air inlet 10a are set on described fan guard 10 vertically, and fan guard is upwards interval with some air outlet 10b for 10 weeks, described air channel is connected with the cooling air inlet 7a on frequency-variable controller box 7 through described air outlet 10b.On described frequency-variable controller box 7, be also provided with cooling air outlet 7b, described cooling air inlet 7a is positioned at the bottom, rear end of frequency-variable controller box 7, and described cooling air outlet 7b is positioned at the front end sidepiece of frequency-variable controller box 7.
front end of the present invention and water pump body assembling, the pump housing back cover single type moulding of described motor fore shell 1 and water pump body, more fixing with pump housing fore shell 11, motor shaft 5 stretches into fixing impeller 12 in water pump body.
the present invention is in the time of real work, rotor 3,4 drive motors axles 5 drive fan 6 to turn round, air inlet 10a by air from fan guard 10 sucks, the heat on stator seat 2a recess is taken away in U-shaped air channel between airflow passes fan 6 and motor back cover 2, rotor 3,4 is dispelled the heat, and improve heat dissipation by radiating fin 9.The air-flow subsequently air outlet 10b from fan guard 10 flows out, and the cooling air inlet 7a on frequency-variable controller box 7 flows into, cooling to electronic component enforcements such as the frequency-variable controllers in box, finally flows out by cooling air outlet 7b again.The present embodiment and water pump body are implemented after assembling, and the air-flow flowing out from cooling air outlet 7b can also continue water pump body to implement cooling.
certainly above-described embodiment is only explanation technical conceive of the present invention and feature, and its object is to allow person skilled in the art can understand content of the present invention and implement according to this, can not limit the scope of the invention with this.All modifications that the Spirit Essence of main technical schemes does according to the present invention, within all should being encompassed in protection scope of the present invention.
Claims (8)
1. a magneto, comprising interfixes form motor housing motor fore shell (1) and motor back cover (2), be located at stator and rotor (3,4) in described motor housing, pass the motor shaft (5) of the forward and backward shell of described motor (1,2), it is characterized in that the inwardly recessed stator seat (2a) that is integrally formed of described motor back cover (2) middle part, it is upper that described stator (3) is fixed on stator seat (2a), and rotor (4) is fixed on motor shaft (5) and goes up and be positioned at stator (3) periphery; On described motor shaft (5), be fixed with the fan (6) that is positioned at motor back cover (2) outside, on described fan (6), be integrally formed with the wind-guiding convex tendon (6a) of a ring around motor shaft (5), described wind-guiding convex tendon (6a) stretches in inside recessed the formed cavity of motor back cover (2), and forms stator seat (2a) is implemented to cooling U-shaped air channel between cavity inwall.
2. magneto according to claim 1, is characterized in that being fixed with frequency-variable controller box (7) on described motor housing, has the air port being communicated with described U-shaped air channel on described frequency-variable controller box (7).
3. magneto according to claim 1, is characterized in that described motor fore shell (1) and motor back cover (2) center are equipped with axis hole, and described motor shaft (5) assembles with corresponding axis hole by bearing (8); And on the cavity inwall of described motor back cover (2) the inside recessed formation stator seat in middle part (2a), be divergent shape around central shaft hole and form some radiating fins (9).
4. magneto according to claim 3, is characterized in that described radiating fin (9) is the even interval of equal angles and arranges.
5. magneto according to claim 1, it is characterized in that described stator (3) comprises the stator core (3a) being placed on described stator seat (2a), described stator core (3a) periphery is evenly intervally distributed with some unwrapping wire grooves, and unwrapping wire groove is built-in with stator coil (3b); And described rotor (4) comprises and is fixed the flywheel (4a) on motor shaft (5) by keyway, the curved flange that has a circle to surround stator (3) of described flywheel (4a) surrounding, on described flange inwall, evenly interval is fixed with magnetic shoe (4b).
6. magneto according to claim 2, it is characterized in that being fixed with on described motor back cover (2) fan guard (10) of the described fan of encirclement (6), some air inlets (10a) are set on described fan guard (10) vertically, and being upwards interval with some air outlets (10b) fan guard (10) week, described U-shaped air channel is connected with the air port on frequency-variable controller box (7) through described air outlet (10b).
7. magneto according to claim 2, it is characterized in that described frequency-variable controller box (7) is provided with cooling air inlet (7a) and cooling air outlet (7b), described cooling air inlet (7a) is positioned at the bottom, rear end of frequency-variable controller box (7) and is communicated with described U-shaped air channel, and described cooling air outlet (7b) is positioned at the front end sidepiece of frequency-variable controller box (7).
8. use the water pump of magneto as described in claim 1 ~ 7 any one, comprising interfixes forms pump housing fore shell (11) and the pump housing back cover of water pump body and is located at the impeller (12) in water pump body, it is characterized in that described motor fore shell (1) and described pump housing back cover fix or single type moulding, described motor shaft (5) stretches into fixing impeller (12) in water pump body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410015417.5A CN103795177B (en) | 2014-01-14 | 2014-01-14 | A kind of magneto and use the water pump of this motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410015417.5A CN103795177B (en) | 2014-01-14 | 2014-01-14 | A kind of magneto and use the water pump of this motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103795177A true CN103795177A (en) | 2014-05-14 |
| CN103795177B CN103795177B (en) | 2016-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410015417.5A Expired - Fee Related CN103795177B (en) | 2014-01-14 | 2014-01-14 | A kind of magneto and use the water pump of this motor |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104179693A (en) * | 2014-07-16 | 2014-12-03 | 苏州泰格动力机器有限公司 | Magnetic drive pump |
| CN105545758A (en) * | 2016-01-26 | 2016-05-04 | 大连冠力电机科技有限公司 | Permanent magnet frequency control direct-drive high-speed motor pump all-in-one machine |
| CN107959384A (en) * | 2017-11-29 | 2018-04-24 | 江苏农华智慧农业科技股份有限公司 | A kind of cooling damping of variable-frequency motor |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101136567A (en) * | 2007-08-24 | 2008-03-05 | 上海汇业机械科技有限公司 | Low-noise high efficiency electric motor |
| JP5297236B2 (en) * | 2009-03-17 | 2013-09-25 | 株式会社東芝 | Fully closed main motor for vehicles |
| CN203691125U (en) * | 2014-01-14 | 2014-07-02 | 苏州泰格动力机器有限公司 | Permanent magnetic motor and water pump using permanent magnetic motor |
-
2014
- 2014-01-14 CN CN201410015417.5A patent/CN103795177B/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104179693A (en) * | 2014-07-16 | 2014-12-03 | 苏州泰格动力机器有限公司 | Magnetic drive pump |
| CN105545758A (en) * | 2016-01-26 | 2016-05-04 | 大连冠力电机科技有限公司 | Permanent magnet frequency control direct-drive high-speed motor pump all-in-one machine |
| CN107959384A (en) * | 2017-11-29 | 2018-04-24 | 江苏农华智慧农业科技股份有限公司 | A kind of cooling damping of variable-frequency motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103795177B (en) | 2016-04-20 |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| C14 | Grant of patent or utility model | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20190410 Address after: 215134 No. 19 Aigehao Road, Weitang, Xiangcheng District, Suzhou City, Jiangsu Province Patentee after: Suzhou Pawamax Power Co.,Ltd. Address before: No. 301 Xihuan Road, Suzhou City, Jiangsu Province, 215004 Patentee before: SUZHOU TIGER POWER MACHINE Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160420 |