CN202091211U - High-temperature-resistant rare-earth permanent-magnet brushless direct current self-priming pump - Google Patents
High-temperature-resistant rare-earth permanent-magnet brushless direct current self-priming pump Download PDFInfo
- Publication number
- CN202091211U CN202091211U CN2011201979425U CN201120197942U CN202091211U CN 202091211 U CN202091211 U CN 202091211U CN 2011201979425 U CN2011201979425 U CN 2011201979425U CN 201120197942 U CN201120197942 U CN 201120197942U CN 202091211 U CN202091211 U CN 202091211U
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- pump
- housing
- cover
- motor
- shaft
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Abstract
The utility model discloses a high-temperature-resistant rare-earth permanent-magnet brushless direct-current self-priming pump which comprises a pump cover, an impeller, a pump body, a pump shaft, an inner magnetic rotor, fan blades, outer fan blades, a stator winding, a shell, a rear cover, a motor, a shield and a rear shaft, wherein the pump shaft is penetrated onto the pump body; the impeller is arranged at one end of the pump shaft; the pump cover is connected with the pump body; the impeller is arranged in a cavity formed by the pump cover and the pump body; the inner magnetic rotor is clamped on the pump shaft; the pump body is connected with a sealed spacer sleeve; the inner magnetic rotor is positioned in the sealed spacer sleeve; one end of the shell is connected with the pump body; the other end of the shell is connected to the rear cover; the rear cover is connected to the rear shaft; the inner side wall of the shell is provided with the stator winding; the shell is provided with the motor; the motor is connected with the stator winding; the fan blades are fixedly connected to the rear shaft; the outer fan blades are fixedly connected to the pump shaft; the shield is connected with the shell; and the outer fan blades are positioned in the shield. The high-temperature-resistant rare-earth permanent-magnet brushless direct-current self-priming pump has the characteristics of simple structure, long service life, high efficiency, high temperature resistance, corrosion resistance and low noise.
Description
Technical field
The utility model relates to the pumping unit field, refers more particularly to a kind of high temperature resistant rare earth permanent magnet brushless DC self-priming pump.
Background technique
Existing high temperature resistant pump is broadly divided into three classes at present:
One, direct current generator+magnetic drive pump device; Need add permanent magnet i.e. outer magnet rotor and interior magnet rotor, the cost height, complex structure, volume is big, and original permanent magnet is because the high easily demagnetization of machine operation ambient temperature; Magnetic drive pump is owing to the effect of two cover magnet steel, and the practical efficient of motor is not high.
Two, the brush straightway pump being arranged, mainly is to use carbon brush, but exists the brush wear resistance very poor simultaneously, and working life is short, be integrated design, brush can only be scrapped and can not keep in repair after damaging, cost is also high.
Three, brushless direct-current pump, because motor part and thermal source do not have the fan heat radiation, temperature is transmitted to motor from the motor protecgulum, easily causes burn-down of electric motor; Another kind of hot high temperature is transmitted to stator interior from interior seal isolation cover simultaneously, causes motor overheating, also easily causes burn-down of electric motor.
The model utility content
The purpose of this utility model is to overcome above-mentioned deficiency of the prior art and provides a kind of simple in structure, realizes low cost, and high efficiency is corrosion-resistant, high temperature resistant, long service life, novel rare earth permanent magnet brushless DC self-priming pump easy to maintenance.
The utility model is realized in the following way:
A kind of high temperature resistant rare earth permanent magnet brushless DC self-priming pump includes pump cover 1, impeller 2, the pump housing 3, pump shaft 6, and pump shaft 6 is arranged on the pump housing 3; Impeller 2 is located at an end of pump shaft 6, and pump cover 1 is connected with the pump housing 3, and impeller 2 is located in the cavity of pump cover 1 and the pump housing 3 formation; It is characterized in that: magnet rotor 7, fan blade 9, external wind wheel 10, staor winding 12, housing 14, bonnet 15, motor 16, guard shield 18, rear axle 20 in also including;
Interior magnet rotor 7 is arranged on the pump shaft 6 by snap ring 17, and is positioned at the right side of the pump housing 3; Be connected with seal isolation cover 13 on the pump housing 3, interior magnet rotor 7 is positioned at seal isolation cover 13;
Be equiped with magnification circuit plate 19 on the described motor 16.
Magnet steel 8 in being equiped with on the magnet rotor 7 in described; Be equiped with Hall switch 11 on the staor winding 12.
Be equiped with magnet steel 91 on the described fan blade 9.
Described bonnet 15 is an Openworks shape, and housing 14 is an Openworks shape.
The utility model rotates by the magnet steel 8 on amplification circuit on Hall element on the staor winding 12 11 and the motor 16 19 and the interior magnet rotor 7, does the magnetic field intercepts action; Magnet steel 8 rotational synchronization drive pump shaft 6 and rotate, because impeller 2 is fixing with pump shaft 6, impeller 2 rotates, and impeller 2 centrifugal action in liquid medium realizes the conveying of liquid.
The utility model is simple in structure, easy to operate, practical, and the axle of magnet rotor replaces motor shaft in utilizing, and removes bearing and bearing support and connects, and utilizes motor coil magnetic field and interior magnet rotor magnetic field to act on, realize simultaneously the pump running mutually; By the sink of fan blade, housing and bonnet, realize DC Brushless Motor pump energy long-play under high temperature resistant condition, and do not influence working efficiency.
In sum, of the present utility model in magnet rotor be rotor be again the power of pump, realizing directly linking to each other drives, and does not have leakage.Combine with the effective of brushless motor, reduce production costs, improve working life, simplified structure, realization high efficiency greatly, reach effects such as high temperature resistant, corrosion-resistant, low noise.
Description of drawings
Fig. 1 the utility model structural representation.
Embodiment
Now in conjunction with the accompanying drawings, the utility model embodiment is described in detail in detail:
As shown in Figure 1, a kind of high temperature resistant rare earth permanent magnet brushless DC self-priming pump includes pump cover 1, impeller 2, the pump housing 3, pump shaft 6, and pump shaft 6 is arranged on the pump housing 3; Impeller 2 is located at an end of pump shaft 6, and pump cover 1 is connected with the pump housing 3, and impeller 2 is located in the cavity of pump cover 1 and the pump housing 3 formation; It is characterized in that: magnet rotor 7, fan blade 9, external wind wheel 10, staor winding 12, housing 14, bonnet 15, motor 16, guard shield 18, rear axle 20 in also including;
Interior magnet rotor 7 is arranged on the pump shaft 6 by snap ring 17, and is positioned at the right side of the pump housing 3; Be connected with seal isolation cover 13 on the pump housing 3, interior magnet rotor 7 is positioned at seal isolation cover 13;
Be equiped with magnification circuit plate 19 on the described motor 16.
Magnet steel 8 in being equiped with on the magnet rotor 7 in described; Be equiped with Hall switch 11 on the staor winding 12.
Be equiped with magnet steel 91 on the described fan blade 9.
Described bonnet 15 is an Openworks shape, and housing 14 is an Openworks shape.
The utility model rotates by the magnet steel 8 on amplification circuit on Hall element on the staor winding 12 11 and the motor 16 19 and the interior magnet rotor 7, does the magnetic field intercepts action; Magnet steel 8 rotational synchronization drive pump shaft 6 and rotate, because impeller 2 is fixing with pump shaft 6, impeller 2 rotates, and impeller 2 centrifugal action in liquid medium realizes the conveying of liquid.
Seal isolation of the present utility model cover 13 is to have that magnetic permeability is good, resistance value is big, corrosion-resistant, resistant to elevated temperatures material is made; Because between seal isolation cover 13 and the staor winding 12 is Spielpassung, liquid medium high temperature can't be directly transferred on the staor winding 12 like this, thereby realizes the low-temperature working environment of staor winding 12.
Interior magnet rotor 7 employings of the present utility model are corrosion-resistant, exotic material is made.Pump shaft 6 adopts materials such as pottery, silicon nitride to make.The utility model is compared with original direct current magnetic drive pump and has been lacked the inside and outside magnet rotor of a cover, thus the utlity model has high temperature resistant, corrosion-resistant, efficient, characteristic cheaply; And can realize the conduction oil of high temperature resistant≤350 ℃.
Claims (4)
1. a high temperature resistant rare earth permanent magnet brushless DC self-priming pump includes pump cover (1), impeller (2), the pump housing (3), pump shaft (6), and pump shaft (6) is arranged on the pump housing (3); Impeller (2) is located at an end of pump shaft (6), and pump cover (1) is connected with the pump housing (3), and impeller (2) is located in the cavity of pump cover (1) and the pump housing (3) formation; It is characterized in that: also include interior magnet rotor (7), fan blade (9), external wind wheel (10), staor winding (12), housing (14), bonnet (15), motor (16), guard shield (18), rear axle (20);
Interior magnet rotor (7) is arranged on the pump shaft (6) by snap ring (17), and is positioned at the right side of the pump housing (3); Be connected with seal isolation cover (13) on the pump housing (3), interior magnet rotor (7) is positioned at seal isolation cover (13);
Housing (14) one ends are connected with the pump housing (3), and the other end bolt is connected on the bonnet (15); Bonnet (15) is connected on the rear axle (20) by bearing, and is positioned at the right side of magnet rotor (7); The madial wall of housing (14) is provided with staor winding (12), and it is positioned at the periphery of magnet rotor (7); Housing (14) is provided with motor (16), and it is connected with staor winding (12);
Fan blade (9) is fixedly connected on the rear axle (20), and is positioned between seal isolation cover (13) and the bonnet (15); External wind wheel (10) is fixedly connected on the rear axle (20), and is positioned at the right side of bonnet (15); Rear axle (20) is connected with drive unit;
Guard shield (18) is connected with housing (14), and is positioned at the right-hand member of the pump housing (3); External wind wheel (10) is positioned at guard shield (18).
2. a kind of high temperature resistant rare earth permanent magnet brushless DC self-priming pump according to claim 1 is characterized in that: be equiped with magnification circuit plate (19) on the described motor (16).
3. a kind of high temperature resistant rare earth permanent magnet brushless DC self-priming pump according to claim 1 is characterized in that: be equiped with interior magnet steel (8) on the magnet rotor (7) in described; Be equiped with Hall switch (11) on the staor winding (12).
4. a kind of high temperature resistant rare earth permanent magnet brushless DC self-priming pump according to claim 1 is characterized in that: be equiped with magnet steel (91) on the described fan blade (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201979425U CN202091211U (en) | 2011-06-13 | 2011-06-13 | High-temperature-resistant rare-earth permanent-magnet brushless direct current self-priming pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201979425U CN202091211U (en) | 2011-06-13 | 2011-06-13 | High-temperature-resistant rare-earth permanent-magnet brushless direct current self-priming pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202091211U true CN202091211U (en) | 2011-12-28 |
Family
ID=45366280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201979425U Expired - Lifetime CN202091211U (en) | 2011-06-13 | 2011-06-13 | High-temperature-resistant rare-earth permanent-magnet brushless direct current self-priming pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202091211U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102828967A (en) * | 2011-06-13 | 2012-12-19 | 福建省福安市力德泵业有限公司 | High temperature resistance rare earth permanent magnet brushless DC (Direct Current) self-priming pump |
| CN106704204A (en) * | 2015-07-24 | 2017-05-24 | 浙江三花汽车零部件有限公司 | Electronic pump |
-
2011
- 2011-06-13 CN CN2011201979425U patent/CN202091211U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102828967A (en) * | 2011-06-13 | 2012-12-19 | 福建省福安市力德泵业有限公司 | High temperature resistance rare earth permanent magnet brushless DC (Direct Current) self-priming pump |
| CN102828967B (en) * | 2011-06-13 | 2015-02-18 | 福建省福安市力德泵业有限公司 | High temperature resistance rare earth permanent magnet brushless DC (Direct Current) self-priming pump |
| CN106704204A (en) * | 2015-07-24 | 2017-05-24 | 浙江三花汽车零部件有限公司 | Electronic pump |
| US10590936B2 (en) | 2015-07-24 | 2020-03-17 | Zhejiang Sanhua Automotive Components Co., Ltd. | Electrically driven pump and method for manufacturing the same |
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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: 20111228 Effective date of abandoning: 20150218 |
|
| RGAV | Abandon patent right to avoid regrant |