CN102828967A - High temperature resistance rare earth permanent magnet brushless DC (Direct Current) self-priming pump - Google Patents

High temperature resistance rare earth permanent magnet brushless DC (Direct Current) self-priming pump Download PDF

Info

Publication number
CN102828967A
CN102828967A CN2011101574461A CN201110157446A CN102828967A CN 102828967 A CN102828967 A CN 102828967A CN 2011101574461 A CN2011101574461 A CN 2011101574461A CN 201110157446 A CN201110157446 A CN 201110157446A CN 102828967 A CN102828967 A CN 102828967A
Authority
CN
China
Prior art keywords
pump
housing
high temperature
self
motor
Prior art date
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.)
Granted
Application number
CN2011101574461A
Other languages
Chinese (zh)
Other versions
CN102828967B (en
Inventor
郑石寿
郑石全
郭启惠
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
FUJIAN FUAN LEAD PUMP Co Ltd
Original Assignee
FUJIAN FUAN LEAD PUMP Co Ltd
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 FUJIAN FUAN LEAD PUMP Co Ltd filed Critical FUJIAN FUAN LEAD PUMP Co Ltd
Priority to CN201110157446.1A priority Critical patent/CN102828967B/en
Publication of CN102828967A publication Critical patent/CN102828967A/en
Application granted granted Critical
Publication of CN102828967B publication Critical patent/CN102828967B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Abstract

The invention discloses a high temperature resistance rare earth permanent magnet brushless DC (Direct Current) self-priming pump which comprises a pump cover, an impeller, a pump body, a pump shaft, an inner magnetic rotor, a fan, an outer fan, a stator winding, a shell, a rear cover, a motor, a shield and a rear shaft. The pump shaft is inserted on 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 body formed by the pump cover and the pump body; the inner magnetic rotor is clamped on the pump shaft; a seal isolation sleeve is connected on the pump body; the inner magnetic rotor is positioned in the seal isolation sleeve; one end of the shell is connected with the pump body and the other end of the shell is connected onto the rear cover by a bolt; the rear cover is connected onto the rear shaft; the stator winding is arranged on the inner side wall of the shell; the motor is arranged on the shell; the motor is connected with the stator winding; the fan is fixedly connected on the rear shaft; the outer fan is fixedly connected on the pump shaft; the shield is connected with the shell; and the outer fan is positioned in the shield. The high temperature resistance rare earth permanent magnet brushless DC self-priming pump has the characteristics of simple structure, long service life, high efficiency, high temperature resistance, corrosion resistance and low noise.

Description

A kind of high temperature resistant rare earth permanent magnet brushless DC self-priming pump
Technical field
The present invention relates to the pumping unit field, refer 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 types at present:
One, direct current generator+magnetic drive pump device; Need add permanent magnet i.e. outer magnet rotor and interior magnet rotor, cost is high, complex structure, and volume is big, and original permanent magnet is because the high easy 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, is prone to cause burn-down of electric motor; Another kind of hot high temperature is transmitted to stator interior from interior seal cover simultaneously, causes motor overheating, also is prone to cause burn-down of electric motor.
Summary of the invention
The objective of the invention is to overcome above-mentioned deficiency of the prior art and provide a kind of simple in structure, realize low cost, high efficiency, corrosion-resistant, high temperature resistant, long service life, novel rare earth permanent magnet brushless DC self-priming pump easy to maintenance.
The present invention realizes through following mode:
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 through snap ring 17, and is positioned at the right side of the pump housing 3; Be connected with seal cover 13 on the pump housing 3, interior magnet rotor 7 is positioned at seal cover 13;
Housing 14 1 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 through 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 between seal cover 13 and 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.
Be equiped with magnification circuit plate 19 on the said 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 said fan blade 9.
Said bonnet 15 is an Openworks shape, and housing 14 is an Openworks shape.
Amplification circuit 19 of the present invention is installed in the top or the rear portion of motor 16.
The present invention rotates through 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 present invention 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; Through the sink of fan blade, housing and bonnet, realize DC Brushless Motor pump ability long-play under high temperature resistant condition, and do not influence working efficiency.
In sum, of the present invention 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 structural representation of the present invention.
Embodiment
Combine accompanying drawing at present, the specific embodiment of the invention be detailed:
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 through snap ring 17, and is positioned at the right side of the pump housing 3; Be connected with seal cover 13 on the pump housing 3, interior magnet rotor 7 is positioned at seal cover 13;
Housing 14 1 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 through 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 between seal cover 13 and 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.
Be equiped with magnification circuit plate 19 on the said 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 said fan blade 9.
Said bonnet 15 is an Openworks shape, and housing 14 is an Openworks shape.
Amplification circuit 19 of the present invention is installed in the top or the rear portion of motor 16.
The present invention rotates through 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 of the present invention cover 13 is to have that magnetic permeability is good, resistance value is big, corrosion-resistant, resistant to elevated temperatures material is processed; Because between seal 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.
Magnet steel 91 on the fan blade 9 of the present invention is made up of soft magnetic material and small volume permanent magnetic steel, and soft magnetic material and small volume permanent magnetic steel are formed and be fixed on the fan blade 9, when staor winding 12 obtains signal, rotate between magnet steel 91 and the staor winding 12; Rotating speed and motor 16 rotary speeds rotate the back flow air and flow into from the openwork hole of bonnet 15 mutually, and air is through the gap of aeolian currents between staor winding 12 and seal cover 13 of fan blade 9, and after the openwork hole of housing 14 discharge outside the motor 16; High temperature in the seal cover 13 just reduces its temperature through flowing of air like this, and motor 16 is played thermolysis; Thereby realize the normal operation of dc brushless motor 16.
Interior magnet rotor 7 employings of the present invention are corrosion-resistant, exotic material is processed.Pump shaft 6 adopts materials such as pottery, silicon nitride to process.The present invention compares with original direct current magnetic drive pump and has lacked the inside and outside magnet rotor of a cover, so that the present invention has is high temperature resistant, corrosion-resistant, efficient, and 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) through snap ring (17), and is positioned at the right side of the pump housing (3); Be connected with seal cover (13) on the pump housing (3), interior magnet rotor (7) is positioned at seal 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) through 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 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 said 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 said fan blade (9).
CN201110157446.1A 2011-06-13 2011-06-13 High temperature resistance rare earth permanent magnet brushless DC (Direct Current) self-priming pump Active CN102828967B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201110157446.1A CN102828967B (en) 2011-06-13 2011-06-13 High temperature resistance rare earth permanent magnet brushless DC (Direct Current) self-priming pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201110157446.1A CN102828967B (en) 2011-06-13 2011-06-13 High temperature resistance rare earth permanent magnet brushless DC (Direct Current) self-priming pump

Publications (2)

Publication Number Publication Date
CN102828967A true CN102828967A (en) 2012-12-19
CN102828967B CN102828967B (en) 2015-02-18

Family

ID=47332221

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201110157446.1A Active CN102828967B (en) 2011-06-13 2011-06-13 High temperature resistance rare earth permanent magnet brushless DC (Direct Current) self-priming pump

Country Status (1)

Country Link
CN (1) CN102828967B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104929951A (en) * 2015-06-05 2015-09-23 东莞市弘鼎机电有限公司 Energy-saving DC variable frequency water pump and control method thereof
CN109139490A (en) * 2018-06-13 2019-01-04 上海尧禹智能泵阀有限公司 A kind of resistance to idle running integrated module heat-proof corrosion resistant high-delieving-head self-suction pump of non-magnet

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0387743A1 (en) * 1989-03-16 1990-09-19 Gec Alsthom Moteurs Sa Enclosed air cooled electrical motor and its manufacturing method
CN2190835Y (en) * 1993-11-10 1995-03-01 文登市第二电机厂 Semi-closed built-in axial flow fan asynchronous motor
JPH07111751A (en) * 1993-10-08 1995-04-25 Ebara Corp Magnet pump
CN1159090A (en) * 1995-11-27 1997-09-10 株式会社日立制作所 Totally-enclosed type motor
CN1374734A (en) * 2001-03-08 2002-10-16 徐志瑶 Double-cooling fan-type triphase AC variable frequency speed-regulating motor and its reforming technology
JP2004229390A (en) * 2003-01-22 2004-08-12 Hitachi Ltd Rotary electric machine and its manufacturing method
CN2924103Y (en) * 2006-06-20 2007-07-18 温州市腾宇泵阀制造有限公司 High-power horizontal magnetic driven centrifugal pump
CN101447700A (en) * 2008-12-26 2009-06-03 广东省东莞电机有限公司 Low-voltage large-power motor and method for increasing power
CN201332347Y (en) * 2008-11-27 2009-10-21 郑云峰 Brushless motor water pump
CN202091211U (en) * 2011-06-13 2011-12-28 福建省福安市力德泵业有限公司 High-temperature-resistant rare-earth permanent-magnet brushless direct current self-priming pump

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0387743A1 (en) * 1989-03-16 1990-09-19 Gec Alsthom Moteurs Sa Enclosed air cooled electrical motor and its manufacturing method
JPH07111751A (en) * 1993-10-08 1995-04-25 Ebara Corp Magnet pump
CN2190835Y (en) * 1993-11-10 1995-03-01 文登市第二电机厂 Semi-closed built-in axial flow fan asynchronous motor
CN1159090A (en) * 1995-11-27 1997-09-10 株式会社日立制作所 Totally-enclosed type motor
CN1374734A (en) * 2001-03-08 2002-10-16 徐志瑶 Double-cooling fan-type triphase AC variable frequency speed-regulating motor and its reforming technology
JP2004229390A (en) * 2003-01-22 2004-08-12 Hitachi Ltd Rotary electric machine and its manufacturing method
CN2924103Y (en) * 2006-06-20 2007-07-18 温州市腾宇泵阀制造有限公司 High-power horizontal magnetic driven centrifugal pump
CN201332347Y (en) * 2008-11-27 2009-10-21 郑云峰 Brushless motor water pump
CN101447700A (en) * 2008-12-26 2009-06-03 广东省东莞电机有限公司 Low-voltage large-power motor and method for increasing power
CN202091211U (en) * 2011-06-13 2011-12-28 福建省福安市力德泵业有限公司 High-temperature-resistant rare-earth permanent-magnet brushless direct current self-priming pump

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104929951A (en) * 2015-06-05 2015-09-23 东莞市弘鼎机电有限公司 Energy-saving DC variable frequency water pump and control method thereof
CN109139490A (en) * 2018-06-13 2019-01-04 上海尧禹智能泵阀有限公司 A kind of resistance to idle running integrated module heat-proof corrosion resistant high-delieving-head self-suction pump of non-magnet
CN109139490B (en) * 2018-06-13 2020-05-15 上海尧禹智能泵阀有限公司 Non-magnet idling-resistant integrated modular temperature-resistant corrosion-resistant high-lift self-priming pump

Also Published As

Publication number Publication date
CN102828967B (en) 2015-02-18

Similar Documents

Publication Publication Date Title
CN205319816U (en) Permanent magnetism disk type motor cooling system
GB2497716A (en) Permanent magnet motor with a closed cooling system
CN106059195A (en) Rotor connection structure with fan blades capable of increasing heat emission efficiency of inner chamber of motor
CN101056016A (en) Axial radial ventilation system for high-power high voltage solid rotor permanent magnetic electromotor rotor
CN202091211U (en) High-temperature-resistant rare-earth permanent-magnet brushless direct current self-priming pump
CN102828967B (en) High temperature resistance rare earth permanent magnet brushless DC (Direct Current) self-priming pump
KR101312721B1 (en) Motor device improving fan structure of cooling fan
CN203548260U (en) Direct drive type permanent magnetic isolation pump
CN202732365U (en) Water pump with self-cooling function
CN105827067A (en) Inner cavity ventilation and heat dissipation system device of magnetic matrix coreless motor
CN203604104U (en) Novel water turbine for cooling tower
CN201536279U (en) Direct current motor
CN201992986U (en) Cooling fan of vacuum sintering furnace
CN103541931A (en) Directly driven permanent magnet isolation pump
CN203933321U (en) A kind of from dispelling the heat permanent magnet DC motor
CN204376630U (en) A kind of rotor with fan leaf
CN109617294B (en) Stator pole unequal-pitch doubly salient permanent magnet synchronous motor
CN201937393U (en) Self-radiating brushless direct-current motor
CN203398968U (en) Permanent magnet direct current brushless motor structure
CN201509124U (en) Isolated minitype generator set
CN207900874U (en) Angle grinder
CN102324796B (en) Liquid-cooled radiating external rotor motor
CN201063467Y (en) High-power high-voltage solid rotor permanent-magnet motor rotor shaft radial ventilation system
CN202867251U (en) Series water pump
CN201478943U (en) Permanent-magnetic DC brushless motor

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant