CN104196731A - Brushless direct-current magnetic isolation type water pump - Google Patents
Brushless direct-current magnetic isolation type water pump Download PDFInfo
- Publication number
- CN104196731A CN104196731A CN201410409675.1A CN201410409675A CN104196731A CN 104196731 A CN104196731 A CN 104196731A CN 201410409675 A CN201410409675 A CN 201410409675A CN 104196731 A CN104196731 A CN 104196731A
- Authority
- CN
- China
- Prior art keywords
- pump
- brushless direct
- magnet steel
- circulating water
- current magnetic
- 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.)
- Pending
Links
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a brushless direct-current magnetic isolation type water pump which comprises a motor body, a pump head and a pump base. The pump head is installed on the pump base. The pump base and an outer magnet rotor are arranged on the motor body. The outer magnet rotor is installed between the motor body and the pump base and completely sealed in the pump base. A plurality of pieces of outer rotor magnetic steel are pasted in the outer magnet rotor in the N-S sequence. An impeller is installed on the pump base and provided with inner rotor magnetic steel with the polarity distributed in the N-S sequence. The number of the pieces of the outer rotor magnetic steel is eight. The brushless direct-current magnetic isolation type water pump is simple in structure, reasonable in manufacturing, amphibious and high in effect, and the leakage problem can be effectively solved.
Description
Technical field
The present invention relates to motor manufacturing technology field, relate in particular to the isolated water pump of a kind of brushless direct-current magnetic force.
Background technique
The magnet of brushless direct-current magnetic force driving pump and impeller are injection molded into the rotor of one composition motor, in the middle of rotor, there is axle sleeve, be fixed in housing by high-performance ceramic axle, the stator of motor and circuit board section adopt epoxy resin glue embedding in the pump housing, there is the defect of dielectric leakage in original water pump, and waterproofing effect is bad, affect the use of motor.
Summary of the invention
In order to address the above problem, the invention provides a kind of brushless direct-current magnetic force driving pump simple in structure, reasonable in design, safe and reliable.
In order to achieve the above object, the present invention is achieved by the following technical solutions:
The present invention is the isolated water pump of brushless direct-current magnetic force, comprise motor body, pump head and pump seat, pump head is arranged on pump seat, on motor body, be provided with pump seat, outer magnet rotor, outer magnet rotor is arranged between motor body and pump seat, and is sealed in completely in pump seat, in outer magnet rotor, posts several pieces external rotor magnet steel by N-S order, impeller is installed on pump seat, the internal rotor magnet steel that polarity distributes by N-S order is housed on impeller.
Further improvement of the present invention is: the quantity of external rotor magnet steel is eight, and every external rotor magnet steel is rectangular shape, and the Length Ratio of the length of each external rotor magnet steel and every two external rotor magnet steel spacing is 8:6.
Further improvement of the present invention is: on the wheel disc of impeller, have several movable vanes that arrange along pump shaft, each movable vane all has pressure curved surface and suction curved surface, and the pressure curved surface on each movable vane and suction curved surface are all " 7 " set up of character patt ern.
Further improvement of the present invention is: on pump head, have circulating water inlet opening and circulating water delivery outlet, the elongation line of the center line of circulating water inlet opening and circulating water delivery outlet center line is 64 ° of angles and arranges, and circulating water gateway and described circulating water delivery outlet be not at same plane and be crisscross arranged up and down.
The invention has the beneficial effects as follows: brushless direct-current magnetic drive pump pump shaft of the present invention becomes closed static seal by motive sealing, has thoroughly avoided dielectric leakage, can be amphibious, and complete waterproof; Brushless direct-current magnetic drive pump, without independent lubricating and cooling water, has reduced energy consumption; Brushless direct-current magnetic drive pump power consumption is little, efficiency is high, and there is damping vibration attenuation function, impact on motor when having reduced the impact of motor vibration on pump and pump cavitation erosion vibration occurring, when use, n is arranged and is assembled on the impeller of brushless direct-current magnetic drive pump, outer magnet rotor by rule magnet (n is even number), make magnet part mutually form the magnetic force systems that complete lotus root is closed, when impeller, outer magnet rotor two magnetic poles relative in heteropole, i.e. angle of displacement Φ=0 between two magnetic poles, now the magnetic energy of magnetic system is minimum; When magnetic pole, to turn to homopolarity relative, i.e. angle of displacement Φ=2 π/n between two magnetic poles, now the magnetic energy maximum of magnetic system, remove after external force, because the magnetic pole of magnetic system repels mutually, magnetic force will make magnet return to the state that magnetic energy is minimum, so magnet produces motion, drive magnet rotor rotation.
The present invention is simple in structure, makes rationally, can effectively solve the problem of seepage and amphibious, and effect is high.
Brief description of the drawings
Fig. 1 is overall structure schematic diagram of the present invention.
Fig. 2 is two some schematic diagram of angle of displacement Φ=0 between magnetic pole.
Figure when Fig. 3 is two angle of displacement Φ=2 π/n between magnetic pole.
Fig. 4 is the part enlarged view of this Fig. 1.
Fig. 5 is the schematic diagram of impeller of the present invention.
Fig. 6 is the plan view of impeller of the present invention.
Fig. 7 is the structural representation of the outer magnet rotor of the present invention.
Fig. 8 is the structural representation of pump head of the present invention.
Wherein: 1-pump head, 2-impeller, 201-internal rotor magnet steel, 3-pump seat, the outer magnet rotor of 4-, 401-external rotor magnet steel, 5-motor body, 6-movable vane, 7-pressure curved surface, 8-suction curved surface, 9-circulating water gateway, 10-circulating water delivery outlet.
Embodiment
In order to deepen the understanding of the present invention, below in conjunction with drawings and Examples, the present invention is described in further detail, this embodiment, only for explaining the present invention, does not form and limits protection scope of the present invention.
As shown in Fig. 1-8, the present invention is the isolated water pump of brushless direct-current magnetic force, comprise motor body 5, pump head 1 and pump seat 3, described pump head 1 is arranged on described pump seat 3, on described motor body 5, be provided with pump seat 3, outer magnet rotor 4, described outer magnet rotor 4 is arranged between described motor body 5 and described pump seat 3, and be sealed in completely in described pump seat 3, in described outer magnet rotor 4, post several pieces external rotor magnet steel 201 by N-S order, on described pump seat 3, impeller 2 is installed, the internal rotor magnet steel 401 that polarity distributes by N-S order is housed on described impeller 2, the quantity of described external rotor magnet steel 201 is eight, every described external rotor magnet steel 201 is rectangular shape, the Length Ratio of the length of each described external rotor magnet steel 201 and every two described external rotor magnet steel 201 spacing is 8:6, the length of every block of described external rotor magnet steel 201 is 8 centimetres, length between described two blocks of external rotor magnet steel 201 is 6 centimetres, the mid point on the limit, two ends of described external rotor magnet steel is 26 degree to the angle forming between pump shaft intermediate point, the angle that the minor face of two adjacent external rotor magnet steel forms is 19 degree, what described external rotor magnet steel was equidistant is arranged in outer magnet rotor 4, effectively keep magnetic force, on the wheel disc of described impeller 2, there are several movable vanes 6 that arrange along pump shaft, each described movable vane 6 all has pressure curved surface 7 and suction curved surface 8, pressure curved surface 7 on each movable vane 6 is all " 7 " set up of character patt ern with suction curved surface 8, the angle forming between pressure curved surface and suction curved surface is larger, reduce the pressure of moving plate 6, on described pump head 1, there are circulating water inlet opening 9 and circulating water delivery outlet 10, the elongation line of the center line of described circulating water inlet opening 9 and described circulating water delivery outlet 10 center lines is 64 ° of angles and arranges, described circulating water gateway 9 with described circulating water delivery outlet 10 not at same plane and be crisscross arranged up and down.
When use, by n to magnet, n is even number, arrange and be assembled on the impeller of brushless direct-current magnetic drive pump, outer magnet rotor by rule, make magnet part mutually form the magnetic force systems that complete lotus root is closed, when impeller, outer magnet rotor two magnetic poles relative in heteropole, i.e. angle of displacement Φ=0 between two magnetic poles, now the magnetic energy of magnetic system is minimum; When magnetic pole, to turn to homopolarity relative, i.e. angle of displacement Φ=2 π/n between two magnetic poles, now the magnetic energy maximum of magnetic system, remove after external force, because the magnetic pole of magnetic system repels mutually, magnetic force will make magnet return to the state that magnetic energy is minimum, so magnet produces motion, drive magnet rotor rotation.
The brushless direct-current magnetic drive pump of patent of the present invention is compared with conventional motors formula brush DC water pump, and magnetic drive pump has the following advantages: 1. pump shaft becomes closed static seal by motive sealing, has thoroughly avoided dielectric leakage.Can be amphibious, and complete waterproof; 2. without independent lubricating and cooling water, reduced energy consumption; 3. power consumption is little, efficiency is high, and have damping vibration attenuation function, the impact on motor when having reduced the impact of motor vibration on pump and pump cavitation erosion vibration occurring.
Claims (4)
1. the isolated water pump of brushless direct-current magnetic force, comprise motor body (5), pump head (1) and pump seat (3), described pump head (1) is arranged on described pump seat (3), it is characterized in that: on described motor body (5), be provided with pump seat (3), outer magnet rotor (4), described outer magnet rotor (4) is arranged between described motor body (5) and described pump seat (3), and be sealed in completely in described pump seat (3), in described outer magnet rotor (4), post several pieces external rotor magnet steel (201) by N-S order, impeller (2) is installed on described pump seat (3), the internal rotor magnet steel 401 that polarity distributes by N-S order is housed on described impeller (2).
2. the isolated water pump of brushless direct-current magnetic force according to claim 1, it is characterized in that: the quantity of described external rotor magnet steel (201) is eight, every described external rotor magnet steel (201) is rectangular shape, and the Length Ratio of the length of each described external rotor magnet steel (201) and every two described external rotor magnet steel (201) spacing is 8:6.
3. the isolated water pump of brushless direct-current magnetic force according to claim 1, it is characterized in that: on the wheel disc of described impeller (2), have several movable vanes (6) that arrange along pump shaft, each described movable vane (6) all has pressure curved surface (7) and suction curved surface (8), and the pressure curved surface (7) on each movable vane (6) is all " 7 " set up of character patt ern with suction curved surface (8).
4. the isolated water pump of brushless direct-current magnetic force according to claim 1, it is characterized in that: on described pump head (1), have circulating water inlet opening (9) and circulating water delivery outlet (10), the elongation line of the center line of described circulating water inlet opening (9) and described circulating water delivery outlet (10) center line is 64 ° of angles and arranges, described circulating water gateway (9) with described circulating water delivery outlet (10) not at same plane and be crisscross arranged up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410409675.1A CN104196731A (en) | 2014-08-20 | 2014-08-20 | Brushless direct-current magnetic isolation type water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410409675.1A CN104196731A (en) | 2014-08-20 | 2014-08-20 | Brushless direct-current magnetic isolation type water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104196731A true CN104196731A (en) | 2014-12-10 |
Family
ID=52082074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410409675.1A Pending CN104196731A (en) | 2014-08-20 | 2014-08-20 | Brushless direct-current magnetic isolation type water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104196731A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104671390A (en) * | 2015-01-19 | 2015-06-03 | 安徽舜禹水务实业有限公司 | External water tank disinfecting instrument |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1546868A (en) * | 2003-12-04 | 2004-11-17 | 北京本然科技有限公司 | High potential ratio, inner antifriction, centripetal supercharging centrifugal pump and its combined method of technology and examples |
| JP2004353655A (en) * | 2004-01-29 | 2004-12-16 | Sanso Electric Co Ltd | Radial impeller |
| CN202056063U (en) * | 2011-05-10 | 2011-11-30 | 安徽卧龙泵阀有限责任公司 | Corrosion-resistant magnetic pump capable of conveying medium containing particles |
| CN202483898U (en) * | 2011-11-29 | 2012-10-10 | 绍兴蓝德磁力科技有限公司 | Magnetic transmission centrifugal pump |
| CN204025084U (en) * | 2014-08-20 | 2014-12-17 | 江苏超力电器有限公司 | The isolated water pump of brushless direct-current magnetic force |
-
2014
- 2014-08-20 CN CN201410409675.1A patent/CN104196731A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1546868A (en) * | 2003-12-04 | 2004-11-17 | 北京本然科技有限公司 | High potential ratio, inner antifriction, centripetal supercharging centrifugal pump and its combined method of technology and examples |
| JP2004353655A (en) * | 2004-01-29 | 2004-12-16 | Sanso Electric Co Ltd | Radial impeller |
| CN202056063U (en) * | 2011-05-10 | 2011-11-30 | 安徽卧龙泵阀有限责任公司 | Corrosion-resistant magnetic pump capable of conveying medium containing particles |
| CN202483898U (en) * | 2011-11-29 | 2012-10-10 | 绍兴蓝德磁力科技有限公司 | Magnetic transmission centrifugal pump |
| CN204025084U (en) * | 2014-08-20 | 2014-12-17 | 江苏超力电器有限公司 | The isolated water pump of brushless direct-current magnetic force |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104671390A (en) * | 2015-01-19 | 2015-06-03 | 安徽舜禹水务实业有限公司 | External water tank disinfecting instrument |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2006118600A3 (en) | Multiple rotor, wide blade, axial flow pump | |
| CN104153998B (en) | Straight tube shaft type water pump | |
| CN106837814A (en) | A kind of micro centrifugal pump | |
| CN206874497U (en) | Opposite-rotary axial flow type submersible sewage pump | |
| CN204025084U (en) | The isolated water pump of brushless direct-current magnetic force | |
| CN104196731A (en) | Brushless direct-current magnetic isolation type water pump | |
| CN105736403A (en) | Water-immersed submerged pump with permanent magnet synchronous motor | |
| CN203734492U (en) | Rotor assembly of permanent magnet synchronous motor and AC permanent magnet drainage pump | |
| CN101377183A (en) | Full voltage type hydroturbine | |
| CN202172317U (en) | Liquid-cooled external rotor motor | |
| CN205605453U (en) | PMSM formula immersible pump that soaks | |
| CN204239309U (en) | Double suction type centrifugal pump | |
| CN202435162U (en) | Permanent-magnet motor rotor | |
| CN201663514U (en) | Motor for electric hydraulic pusher | |
| CN205315294U (en) | New energy automobile low -power electronic pump | |
| CN205190107U (en) | Full through -flow hydraulic generator of integration intelligence | |
| CN204186601U (en) | A kind of pump integrated micro high-speed magnetic pump | |
| WO2012038213A3 (en) | Pump comprising an electric motor | |
| CN202348694U (en) | Multistage axial flow type magnetic force driving pump | |
| CN202091211U (en) | High-temperature-resistant rare-earth permanent-magnet brushless direct current self-priming pump | |
| CN201629635U (en) | Permanent magnet synchronous motor for new energy automobile | |
| CN202867251U (en) | Series water pump | |
| CN102536843A (en) | Submerged pump with motor permitting water inflow | |
| CN204408148U (en) | Asynchronous motor | |
| CN202381347U (en) | Semi-closed energy-saving submersible pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20141210 |
|
| RJ01 | Rejection of invention patent application after publication |