CN203691125U - Permanent magnetic motor and water pump using permanent magnetic motor - Google Patents
Permanent magnetic motor and water pump using permanent magnetic motor Download PDFInfo
- Publication number
- CN203691125U CN203691125U CN201420021749.XU CN201420021749U CN203691125U CN 203691125 U CN203691125 U CN 203691125U CN 201420021749 U CN201420021749 U CN 201420021749U CN 203691125 U CN203691125 U CN 203691125U
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- Prior art keywords
- motor
- stator
- back cover
- water pump
- fixed
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a permanent magnetic motor and a water pump using the permanent magnetic motor. The permanent magnetic motor comprises a front motor casing and a back motor casing which are mutually fixed to form a motor casing, a stator and a rotor which are arranged in the motor casing, and a motor shaft penetrating the front motor casing and the back motor casing. The permanent magnetic motor is characterized in that a central portion of the back motor casing dents inwards to form a stator seat in a one-body mode, the stator is fixed in the stator seat, the rotor is fixed on the motor shaft and is at periphery of the stator, the motor shaft is fixed with a fan at an outer side of the back motor casing, the fan is provided with a loop of air guiding projection ribs surrounding the motor shaft in a one-body mode, the air guiding projection ribs stretch into a concave chamber formed through inward denting of the back motor casing, the air guiding projection ribs and an inner wall of the concave chamber form an air channel used for cooling the stator seat. The permanent magnetic motor takes integrated consideration to heat radiation and the volume. The utility model further discloses the water pump using the permanent magnetic motor, and the water pump further has advantages of good heat radiation effect, compact structure and small volume.
Description
Technical field
the utility model relates to a kind of magneto and uses the water pump of this motor, relates 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 utility model object is: a kind of magneto of taking into account heat radiation and volume is provided, 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.
the technical solution of the utility model 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 utility model, 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 utility model 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 utility model is the even interval of equal angles layout.
further, stator described in the utility model 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 utility model, be fixed with the fan guard that surrounds described fan, some air inlets are set on described fan guard vertically, and being 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 utility model 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 utility model 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 the magneto that the utility model provides 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.
the utility model has the advantages that:
1. this magneto that the utility model provides, 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 that the utility model provides, 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 that the utility model provides, 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 that the utility model provides, 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 utility model is further described:
fig. 1 is structure cutaway view of the present utility model (magneto and the water pump depending on thereof);
fig. 2 is the perspective view of motor back cover in the utility model (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 the utility model magneto, 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.
the utility model front end 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 utility model 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 utility model and feature, and its object is to allow person skilled in the art can understand content of the present utility model and implement according to this, can not limit protection range of the present utility model with this.All modifications of doing according to the Spirit Essence of the utility model main technical schemes, within all should being encompassed in protection range of the present utility model.
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 |
|---|---|---|---|
| CN201420021749.XU CN203691125U (en) | 2014-01-14 | 2014-01-14 | Permanent magnetic motor and water pump using permanent magnetic motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420021749.XU CN203691125U (en) | 2014-01-14 | 2014-01-14 | Permanent magnetic motor and water pump using permanent magnetic motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203691125U true CN203691125U (en) | 2014-07-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420021749.XU Withdrawn - After Issue CN203691125U (en) | 2014-01-14 | 2014-01-14 | Permanent magnetic motor and water pump using permanent magnetic motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203691125U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104935101A (en) * | 2014-10-12 | 2015-09-23 | 青岛三利智能动力有限公司 | Variable frequency motor special for water pump |
| CN103795177B (en) * | 2014-01-14 | 2016-04-20 | 苏州泰格动力机器有限公司 | A kind of magneto and use the water pump of this motor |
| CN105914948A (en) * | 2016-07-04 | 2016-08-31 | 湖州鸿远电机有限公司 | High-rotation speed and rapid heat-conduction motor |
| CN105914937A (en) * | 2016-07-04 | 2016-08-31 | 湖州鸿远电机有限公司 | Motor having high circuit board security |
| CN105932829A (en) * | 2016-07-04 | 2016-09-07 | 湖州鸿远电机有限公司 | Stable motor |
| CN105978229A (en) * | 2016-07-04 | 2016-09-28 | 湖州鸿远电机有限公司 | Long-life safety motor |
| CN106059196A (en) * | 2016-07-04 | 2016-10-26 | 湖州鸿远电机有限公司 | Quick heat radiation motor |
| CN107947464A (en) * | 2017-12-15 | 2018-04-20 | 常州格力博有限公司 | Cleaning machine |
| CN109149839A (en) * | 2018-08-23 | 2019-01-04 | 浙江东欣节能科技有限公司 | Driving device |
-
2014
- 2014-01-14 CN CN201420021749.XU patent/CN203691125U/en not_active Withdrawn - After Issue
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103795177B (en) * | 2014-01-14 | 2016-04-20 | 苏州泰格动力机器有限公司 | A kind of magneto and use the water pump of this motor |
| CN104935101A (en) * | 2014-10-12 | 2015-09-23 | 青岛三利智能动力有限公司 | Variable frequency motor special for water pump |
| CN106059196A (en) * | 2016-07-04 | 2016-10-26 | 湖州鸿远电机有限公司 | Quick heat radiation motor |
| CN105914937A (en) * | 2016-07-04 | 2016-08-31 | 湖州鸿远电机有限公司 | Motor having high circuit board security |
| CN105932829A (en) * | 2016-07-04 | 2016-09-07 | 湖州鸿远电机有限公司 | Stable motor |
| CN105978229A (en) * | 2016-07-04 | 2016-09-28 | 湖州鸿远电机有限公司 | Long-life safety motor |
| CN105914948A (en) * | 2016-07-04 | 2016-08-31 | 湖州鸿远电机有限公司 | High-rotation speed and rapid heat-conduction motor |
| CN105914937B (en) * | 2016-07-04 | 2018-04-13 | 湖州鸿远电机有限公司 | A kind of safe motor of circuit board |
| CN106059196B (en) * | 2016-07-04 | 2018-04-13 | 湖州鸿远电机有限公司 | A kind of motor of rapid heat dissipation |
| CN105932829B (en) * | 2016-07-04 | 2018-05-22 | 湖州鸿远电机有限公司 | A kind of stable motor |
| CN105978229B (en) * | 2016-07-04 | 2018-06-29 | 湖州鸿远电机有限公司 | A kind of long-life safe motor |
| CN107947464A (en) * | 2017-12-15 | 2018-04-20 | 常州格力博有限公司 | Cleaning machine |
| CN107947464B (en) * | 2017-12-15 | 2024-01-02 | 格力博(江苏)股份有限公司 | Cleaning machine |
| CN109149839A (en) * | 2018-08-23 | 2019-01-04 | 浙江东欣节能科技有限公司 | Driving device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140702 Effective date of abandoning: 20160420 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |