CN201474995U - Water pump of permasyn motor - Google Patents
Water pump of permasyn motor Download PDFInfo
- Publication number
- CN201474995U CN201474995U CN2009201657532U CN200920165753U CN201474995U CN 201474995 U CN201474995 U CN 201474995U CN 2009201657532 U CN2009201657532 U CN 2009201657532U CN 200920165753 U CN200920165753 U CN 200920165753U CN 201474995 U CN201474995 U CN 201474995U
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- CN
- China
- Prior art keywords
- water pump
- permanent magnet
- teeth groove
- rotation section
- magnet synchronous
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- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a water pump of a permasyn motor, which comprises a pump body, an impeller and a motor, wherein the impeller is arranged in the pump body, the motor is used for driving the impeller to rotate, the motor comprises a permanent-magnet type rotor part and a stator part, and the stator part has an iron core. The utility model is characterized in that a starting groove is formed on the iron core of the stator part. Through the installation of the starting groove on the iron core of the stator part, the magnetic strength of the position on the iron core of a stator is different from that of other parts, so a permanent-magnet magnetic force line on a rotor and a magnetic force line on the stator are not positioned on the same line, the rotor can rotate at a large magnitude, the continuous movement can occur under the action of the inertness of the rotor and the damping force of the impeller of the water pump, and the goal of continuous operation after the starting of the permasyn motor is achieved. The structure is simpler, and the starting is more convenient.
Description
Technical field
The utility model relates to a kind of permanent magnet synchronous motor water pump, relate in particular to a kind of can directed rotation and start permanent magnet synchronous motor water pump simple in structure.
Background technique
General additional starting coil or other the start-up control device of adopting of the startup of permagnetic synchronous motor of the prior art.But in water pump, these additional devices can increase the volume of motor, and reliability can reduce.In addition, permagnetic synchronous motor can be realized forward or reverse according to the electric power polarity of initial input when starting.In order to control the sense of rotation of motor, need the initial position of motor rotor and stator be detected, import corresponding power supply in view of the above.But this structure is complicated more.If the position of rotor and stator is not detected, then need the impeller in the water pump is made symplex structure, thereby all can work when being suitable for forward or reverse.But the working efficiency of this impeller can reduce greatly, is difficult to satisfy the demand.
The model utility content
Technical problem to be solved in the utility model is to overcome the deficiency of above-mentioned prior art, and a kind of permanent magnet synchronous motor water pump simple in structure and can directed rotation that starts is provided.
A kind of permanent magnet synchronous motor water pump that provides according to the utility model, comprise motor casing, be installed in the impeller in the described motor casing and drive described impeller motor rotating, described motor comprises the rotor part of permanent magnet type and has the stator component of iron core, is formed with the startup groove on the iron core of described stator component.
A kind of permanent magnet synchronous motor water pump that provides according to the utility model also has following attached technical characteristics:
The iron core of described stator component includes two parts, has been formed separately the startup groove on these two parts.
Be provided with attitude reference device between the output shaft of described rotor part or described impeller and the described motor casing or the pump housing, described attitude reference device controls described motor rotor part and rotates along specific direction.
Described attitude reference device comprise the rotation section that is connected with described motor output shaft, with the hooking part that matches in described rotation section, be formed with teeth groove on the described motor casing, described hooking part can be stuck on the described teeth groove.
Be formed with projection on the described rotation section, described hooking part is an arc, and wherein an end is formed with fixture block, and an other end is formed with salient point, and when the specific direction rotation was pressed in described rotation section, described projection and described fixture block fitted, and drive described hooking part and rotate together; When described rotation section when rotating with the specific direction opposite direction, described projection promotes described salient point, an end that makes described hooking part be formed with described salient point outwards ejects, and snaps in the described teeth groove.
Described hooking part is 1～3, and all hooking parts surround a circle, is formed with the quantity projection identical with described hooking part on the described rotation section, and described rotary part is in the circle that all hooking parts surrounded.
Described attitude reference device comprises the rotation section that is connected with described motor output shaft and is installed in guide spring sheet on the described rotation section that be formed with teeth groove on the described electric machine support, described guide spring sheet can be stuck on the described teeth groove.
The bending direction of described guide spring sheet is opposite with specific direction, and the direction that the teeth groove on the described pump housing is shaped is opposite with specific direction.
Described attitude reference device comprises the teeth groove that is formed on the pump housing inwall, and when the blade of described impeller was upspring by resistance, described blade snapped in the described teeth groove.
Teeth groove on the described pump housing inwall is at least one, and the shaping direction is opposite with specific direction.
A kind of permanent magnet synchronous motor water pump that provides according to the utility model compared with prior art has following advantage: at first, the utility model is by being provided with the startup groove on the iron core of stator component, make that magnetic induction intensity and other places at this place is inequality on the stator iron core, make on the rotor magnetic line of force on the permanent-magnet line and stator out-of-line, the rotation that rotor will first mate's degree like this, continuous motion will appear under the effect of rotor inertia and water pump vane damping force, make permagnetic synchronous motor start running continuously thereby reach, this structure is simpler, starts convenient; Secondly, the utility model is provided with unidirectional mechanism between the output shaft of rotor part or impeller and motor casing, electric machine support or the pump housing, and this unidirectional mechanism can control motor and rotate along specific direction, thereby can adopt directed impeller, the efficient of raising water pump.
Description of drawings
Fig. 1 is a plan view of the present utility model.
Fig. 2 is a plan view of the present utility model.
Fig. 3 is a stereogram of the present utility model.
Fig. 4 is first a kind of embodiment's of the present utility model structure cross-sectional schematic.
Fig. 5 is a C-C sectional view among Fig. 4.
Fig. 6 is first a kind of embodiment's of the present utility model three-dimensional exploded view.
Fig. 7 is the three-dimensional exploded view of attitude reference device in the utility model.
Fig. 8 is second a kind of embodiment's of the present utility model structure cross-sectional schematic.
Fig. 9 is second a kind of embodiment's of the present utility model three-dimensional exploded view.
Figure 10 is the third an embodiment's of the present utility model structure cross-sectional schematic.
Figure 11 is the third an embodiment's of the present utility model three-dimensional exploded view.
Embodiment
Referring to Fig. 1 to Fig. 4, the embodiment of a kind of permanent magnet synchronous motor water pump that provides at the utility model, comprise motor casing 1, be installed in the impeller 2 in the described motor casing 1 and drive described impeller 2 motor rotating 3, described motor 3 comprises the rotor part 31 of permanent magnet type and has the stator component 32 of iron core 33, rotor part 31 in the present embodiment adopts magnet structure, described stator component 32 has iron core 33 and coil 35, and coil 35 is enclosed within on the iron core 33.One end of iron core 33 is protruding, forms a forceps type structure, and described rotor part 31 is arranged in forceps type structure.After coil 35 energisings, can make forceps type structure produce excitation.Rotor part 31 directly drives output shaft, and output shaft stretches in the motor casing 1, and impeller 2 is rotated.These structures all belong in the prior art of comparative maturity, and concrete structure and working procedure repeat no more herein.The utility model difference from prior art is, is formed with startup groove 34 on the iron core 33 of described stator component 32.The utility model is offered on the iron core 33 of stator component 32 and is started groove 34, thereby makes the magnetic induction intensity at this place on the stator iron core and other places inequality, makes on the rotor magnetic line of force on the permanent-magnet line and stator out-of-line.Like this, behind electrical power, rotor just can start.This kind structure has been removed starting coil and other start-up control parts in the prior art, makes structure simplify greatly, can better meet the demand of water pump.
Referring to Fig. 2, in the foregoing description that the utility model provides, the iron core 33 of described stator component 32 includes two parts, has been formed separately on these two parts to start groove 34.Described iron core 33 has two parts, two electrodes of formation.Start groove 34 and be separately positioned on two parts, and be formed in the inboard of these two parts.Described startup groove 34 arc grooves.The above-mentioned startup groove 34 that is provided with can make the magnetic line of force on permanent-magnet line and the stator out-of-line, thereby motor is better started.
Referring to Fig. 3 to Figure 11, in the foregoing description that the utility model provides, be provided with attitude reference device between the output shaft of described rotor part 31 or described impeller 2 and described motor casing 1, electric machine support 7 or the pump housing 6, described attitude reference device controls described motor rotor part 31 and rotates along specific direction.This is located said specific direction and is meant the direction that is suitable for mutually with directed impeller blade bending direction, direction that promptly can the work of drives impeller maximal efficiency.Specific direction is meant clockwise direction in the present embodiment.The utility model makes impeller to rotate along the direction that configures because attitude reference device is set, thereby can adopt directed impeller, thereby improves the working efficiency of water pump.
Referring to Fig. 4 to Fig. 7, in the foregoing description that the utility model provides, described attitude reference device comprises the rotation section 41 that is connected with described motor 3 output shafts, the hooking part 42 that matches with described rotation section 41, be formed with teeth groove 11 on the described motor casing 1, described hooking part 42 can be stuck on the described teeth groove 11.Adopt rotation section 41 to drive hooking parts 42 in the present embodiment, make hooking part 42, drive hooking part 42 and be stuck on the described teeth groove 11, limit the rotation of rotation section 41 not being when specific direction rotate.Rotation section 41 is in the time can not rotating, and the rotor part 31 in the motor 3 also is stuck, and can not rotate, and this moment, rotor part 31 will rotate round about, promptly rotates according to specific direction along with the excitation direction in the stator component 32 changes.Integrative-structure is made with rotor part 31 in rotation section 41 in the present embodiment, certainly, also can make the branch body structure.
Referring to Fig. 4 to Fig. 7, in the foregoing description that the utility model provides, be formed with projection 43 on the described rotation section 41, described hooking part 42 is an arc, wherein an end is formed with fixture block 44, an other end is formed with salient point 45, and described fixture block 44 links together with the body of described hooking part 42, and an end at described salient point 45 places is a free end.When the specific direction rotation was pressed in described rotation section 41, described projection 43 fitted with described fixture block 44, drove described hooking part 42 and rotated together, and hooking part 42 just can not be stuck on the teeth groove 11 at this moment.When described rotation section 41 when rotate with the specific direction opposite direction, the described salient point 45 of described projection 43 promotions, an end that makes described hooking part 42 be formed with described salient point 45 outwards ejects, and snaps in the described teeth groove 11.The height of the salient point 45 among this embodiment is the height less than fixture block 44, and the surface of contact of projection 43 and fixture block 44 is vertical surface, and both can be fitted.And the surface of contact of projection 43 and salient point 45 is an arc shaped surface, makes both be difficult to fit, and projection 43 promotion salient points 45 are outwards ejected, thereby an end that makes hooking part 42 be formed with described salient point 45 is stuck in the described teeth groove 11.Reach the purpose of restriction rotation.Teeth groove 11 in the present embodiment is the helical teeth groove of oblique shaping, when this kind structure can guarantee that rotation section 41 drives hooking parts 42 and rotates by specific direction, and the problem that can block not.
Referring to Fig. 4 to Fig. 7, in the foregoing description that the utility model provides, described hooking part 42 is 1～3, and present embodiment is 3.All hooking parts 42 surround a circle, are formed with the identical projection 43 of quantity and described hooking part 42 on the described rotation section 41, and described rotation section 41 is positioned at the circle that all hooking parts 42 are surrounded.In the present embodiment, described projection 43 can be stuck on the teeth groove 11 of described motor casing 1 after the salient point 45 of hooking part 42 is outwards pushed open.Thereby can not be rotated further.
Referring to Fig. 8 and Fig. 9, in second kind of embodiment that the utility model provides, described attitude reference device comprises rotation section 51 that is connected with described motor 3 output shafts and the guide spring sheet 52 that is installed on the described rotation section 51, be formed with teeth groove 71 on the described electric machine support 7, described guide spring sheet 52 can be stuck on the described teeth groove 71.The bending direction of described guide spring sheet 52 is opposite with specific direction, and the direction that the teeth groove 71 on the described electric machine support 7 is shaped is opposite with specific direction.The direction of the teeth groove 71 among this embodiment also is oblique teeth groove.When rotation section 51 when specific direction rotates, this guide spring sheet 52 can not upspring, and can't snap in the teeth groove 71.This kind teeth groove 71 structures even guide spring sheet 52 is upspring, also can not limit the rotation of rotation section 51 under action of centrifugal force.But when rotated in opposite direction rotation section 51, guide spring sheet 52 will be upspring, and was stuck on the teeth groove 71.Thereby restriction rotation section 51 is rotated further, and subsequent action is same as the previously described embodiments.Other structures in the present embodiment are also same as the previously described embodiments.
Attitude reference device directly is made on the impeller in first kind of embodiment, and it is between the rotor of motor casing and outputting power; Attitude reference device is another part among second kind of embodiment, is installed on the rotor of electric machine support and outputting power; These two kinds of embodiments make structure compact more.
Referring to Figure 10 and Figure 11, in the third embodiment that the utility model provides, described attitude reference device comprises the teeth groove 61 that is formed on the pump housing 6 inwalls, and when the blade 21 of described impeller 2 was upspring by resistance, described blade 21 snapped in the described teeth groove 61.Blade 21 bending directions of described impeller 2 are opposite with specific direction, and the quantity of described teeth groove 61 is at least one, and present embodiment is 1, can certainly be 2,3 or more.The direction that teeth groove 61 on the described pump housing 6 is shaped is opposite with specific direction.The principle of present embodiment is identical with second kind of embodiment, but utilizes a part of structure of blade 21 as attitude reference device.When impeller 2 rotated in opposite direction, blade can open at the resistance that is subjected to water, thereby can be stuck in the teeth groove 61.And when specific direction was selected, it just can not be upspring, and also can not blocked by teeth groove 61.This kind structure is simpler.
Claims (10)
1. permanent magnet synchronous motor water pump, comprise the pump housing, be installed in the impeller in the described pump housing and drive described impeller motor rotating, described motor comprises the rotor part of permanent magnet type and has the stator component of iron core, it is characterized in that: be formed with the startup groove on the iron core of described stator component.
2. a kind of permanent magnet synchronous motor water pump as claimed in claim 1 is characterized in that: the iron core of described stator component includes two parts, has been formed separately the startup groove on these two parts.
3. a kind of permanent magnet synchronous motor water pump as claimed in claim 1, it is characterized in that: be provided with attitude reference device between the output shaft of described rotor part or described impeller and the described motor casing or the pump housing, described attitude reference device controls described motor rotor part and rotates along specific direction.
4. a kind of permanent magnet synchronous motor water pump as claimed in claim 3, it is characterized in that: described attitude reference device comprises the rotation section that is connected with described motor output shaft, the hooking part that matches with described rotation section, be formed with teeth groove on the described motor casing, described hooking part can be stuck on the described teeth groove.
5. a kind of permanent magnet synchronous motor water pump as claimed in claim 4, it is characterized in that: be formed with projection on the described rotation section, described hooking part is an arc, wherein an end is formed with fixture block, an other end is formed with salient point, when the specific direction rotation was pressed in described rotation section, described projection and described fixture block fitted, and drive described hooking part and rotate together; When described rotation section when rotating with the specific direction opposite direction, described projection promotes described salient point, an end that makes described hooking part be formed with described salient point outwards ejects, and snaps in the described teeth groove.
6. a kind of permanent magnet synchronous motor water pump as claimed in claim 5, it is characterized in that: described hooking part is 1～3, all hooking parts surround a circle, are formed with the quantity projection identical with described hooking part on the described rotation section, and described rotary part is in the circle that all hooking parts surrounded.
7. a kind of permanent magnet synchronous motor water pump as claimed in claim 3, it is characterized in that: described attitude reference device comprises rotation section that is connected with described motor output shaft and the guide spring sheet that is installed on the described rotation section, be formed with teeth groove on the described electric machine support, described guide spring sheet can be stuck on the described teeth groove.
8. a kind of permanent magnet synchronous motor water pump as claimed in claim 7 is characterized in that: the bending direction of described guide spring sheet is opposite with specific direction, and the direction that the teeth groove on the described pump housing is shaped is opposite with specific direction.
9. a kind of permanent magnet synchronous motor water pump as claimed in claim 3 is characterized in that: described attitude reference device comprises the teeth groove that is formed on the pump housing inwall, and when the blade of described impeller was upspring by resistance, described blade snapped in the described teeth groove.
10. a kind of permanent magnet synchronous motor water pump as claimed in claim 9 is characterized in that: the teeth groove on the described pump housing inwall is at least one, and the shaping direction is opposite with specific direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201657532U CN201474995U (en) | 2009-07-29 | 2009-07-29 | Water pump of permasyn motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201657532U CN201474995U (en) | 2009-07-29 | 2009-07-29 | Water pump of permasyn motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201474995U true CN201474995U (en) | 2010-05-19 |
Family
ID=42411241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201657532U Expired - Fee Related CN201474995U (en) | 2009-07-29 | 2009-07-29 | Water pump of permasyn motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201474995U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102852824A (en) * | 2011-06-30 | 2013-01-02 | 深圳市钜泰泵业有限公司 | Oriented running alternating-current permanent-magnet synchronous water pump and orientation control method |
| CN105697389A (en) * | 2014-12-11 | 2016-06-22 | 德昌电机(深圳)有限公司 | Pump and cleaning device |
-
2009
- 2009-07-29 CN CN2009201657532U patent/CN201474995U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102852824A (en) * | 2011-06-30 | 2013-01-02 | 深圳市钜泰泵业有限公司 | Oriented running alternating-current permanent-magnet synchronous water pump and orientation control method |
| CN105697389A (en) * | 2014-12-11 | 2016-06-22 | 德昌电机(深圳)有限公司 | Pump and cleaning device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: LEO GROUP CO., LTD. Free format text: FORMER NAME: ZHEJIANG LEO CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: The coastal town of Leo road in Wenling city 317500 Taizhou city in Zhejiang province No. 1 Patentee after: LEO Group Co., Ltd. Address before: 317503 Zhejiang city in Wenling Province, the coastal town of Leo Road No. 1 Patentee before: Zhejiang LEO Co., Ltd. |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160406 Address after: Wenling City, the Eastern Industrial Agglomeration in Zhejiang province Taizhou city 317500 District Third Street No. 1 Patentee after: LEO GROUP ZHEJIANG PUMP INDUSTRY CO., LTD. Address before: The coastal town of Leo road in Wenling city 317500 Taizhou city in Zhejiang province No. 1 Patentee before: LEO Group Co., Ltd. |
|
| 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: 20100519 Termination date: 20180729 |