CN105332927A - Integrated magnetic pump based on axial dual motor driving - Google Patents
Integrated magnetic pump based on axial dual motor driving Download PDFInfo
- Publication number
- CN105332927A CN105332927A CN201510868363.1A CN201510868363A CN105332927A CN 105332927 A CN105332927 A CN 105332927A CN 201510868363 A CN201510868363 A CN 201510868363A CN 105332927 A CN105332927 A CN 105332927A
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- China
- Prior art keywords
- stator
- pump
- pump housing
- rotor
- magnetic drive
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D13/0606—Canned motor pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D13/0606—Canned motor pumps
- F04D13/064—Details of the magnetic circuit
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/086—Sealings especially adapted for liquid pumps
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
An integrated magnetic pump based on axial dual motor driving comprises a pump body, an impeller, a pump shaft, a permanent magnet rotor and an electromagnetic stator, wherein the pump body comprises a front housing, an intermediate housing and a rear housing; the inner side of the pump body is divided into a front cavity and a rear cavity through the intermediate housing; the impeller is mounted in the front cavity; the permanent magnet rotor is mounted in the rear cavity; the impeller and the permanent magnet rotor are integrally connected through the pump shaft; the electromagnetic stator comprises a left stator and a right stator which are oppositely mounted at the left side and the right side of the rear cavity, and the left stator and the right stator are circumferentially arranged along the pump shaft; the permanent magnet rotor is mounted between the left stator and the right stator; the left stator and the right stator are correspondingly sealed through a separating plate and a separating sleeve and are separated from the permanent magnet rotor. According to the integrated magnetic pump based on the axial dual motor driving, the axial length and the size of the pump body are reduced; the impeller torque is increased; the vibration is reduced; the size is small under the same output power requirement.
Description
Technical field
The present invention relates to a kind of magnetic drive pump, particularly a kind of integral type magnetic drive pump based on axial Dual-motors Driving.
Background technique
As a kind of no-leakage pump, magnetic drive pump is widely used in the pumping carrying out non-aqueous media in the fields such as medicine, chemical industry, petrochemical industry.
Existing magnetic drive pump often by motor, magnetic driver and pump three part form, wherein, magnetic driver is made up of outer magnet rotor, interior magnet rotor and non-magnetic separation sleeve; Interior magnet rotor is connected with pump rotor, is positioned at the confined space of separation sleeve and pump housing formation; Outer magnet rotor is connected with rotor, is positioned at outside separation sleeve.Adopt the magnetic drive pump of magnetic driving mechanism to change the motive sealing of common water pump into static seal by separation sleeve, prevent seepage, inside and outside the completely isolated pump housing, be widely used in poisonous, to have the harsh fields such as corrosion fluid pumping.But, this magnetic drive pump volume and weight is comparatively large, complex structure, cost are high, and the care and maintenance of magnetic driving mechanism trouble.Along with the development of society and the technology upgrading of every field, the requirement of people to magnetic drive pump is also more and more higher, and large, the bulky magnetic drive pump of existing weight has been difficult to the demand meeting people.
In order to overcome these shortcomings, the active p-m rotor electromagnetic stator of magnetic driving mechanism can be replaced, driven p-m rotor, directly as rotor, realizes motor-and-pump integrated, thus thoroughly changes the mentality of designing of original magnetic drive pump.Thus, based on this principle, there is a lot of pertinent literature to be in succession disclosed.As document: CN104153999A discloses a kind of pump integrated micro high-speed magnetic pump, by the back shroud external peripheral surface at impeller, permanent magnet is installed, make permanent magnet and staor winding form radial motor, thus realize motor-and-pump integrated, to reduce volume and the weight of magnetic drive pump; Document CN104179693A discloses a kind of magnetic drive pump, by impeller is provided with central shaft, installs the p-m rotor of " cartridge type " in the both sides of central shaft, utilizes the rotation impeller between p-m rotor and stator.But the form of the p-m rotor that these two documents adopt is " cartridge type ", its structure is comparatively large, makes the size of whole magnetic drive pump be subject to the restriction of p-m rotor, thus also there is very large room for improvement in reduction volume and weight.Further, the magnetic drive pump disclosed in document CN104179693A, owing to adopting the p-m rotor of " cartridge type ", causes the axial dimension of the central shaft for installing this p-m rotor comparatively large, thus makes the axial dimension of whole magnetic drive pump larger.
Summary of the invention
The object of the invention is, in order to overcome the above-mentioned deficiency of prior art, providing the integral type magnetic drive pump based on axial Dual-motors Driving that a kind of, weight less in equal output power lower volume is lighter, overall structure is compacter.
To achieve these goals, the technical solution adopted in the present invention is: a kind of integral type magnetic drive pump based on axial Dual-motors Driving, comprises the pump housing, impeller, pump shaft, p-m rotor and electromagnetic stator; The described pump housing comprises pump housing fore shell, pump housing mesochite and pump housing back cover; Pump housing internal separation is become former and later two chambers by pump housing mesochite; Impeller is arranged in front chamber, and p-m rotor is arranged in rear chamber; Impeller and p-m rotor are linked together by pump shaft; Described electromagnetic stator comprises left stator and right stator; Left stator and right stator are mounted opposite the left and right sides in rear chamber; Left stator and right stator are along pump shaft circumferentially; P-m rotor is arranged between left stator and right stator; Left stator and right stator are sealed by dividing plate and spacer respectively, and isolate with p-m rotor.
Further, described left stator is embedded on pump housing mesochite; Right stator is embedded on pump housing back cover.
Further, described dividing plate is fixed in pump housing mesochite rear chamber side inner concave wall, left stator and rear chamber's inner fluid is isolated; Spacer and pump housing mesochite are fixed on pump housing fore shell together with pump housing back cover, right stator and rear chamber's inner fluid are isolated.
Further, described p-m rotor is circumferentially embedded with the permanent magnet matched with left stator and right stator.
Further, described pump housing fore shell offers fluid inlet and fluid output.
Further, described left stator and right stator have identical structure, include stator yoke and field coil; Stator yoke is overrided to form by silicon steel thin slice; The mode that laminates of stator yoke is that relative pump shaft radial direction laminates; Field coil is around in the yoke portion of stator yoke.
Further, described pump shaft is installed in the axis hole of pump housing mesochite by bearing.
Further, described permanent magnet is annular permanent magnet.
Principle of the present invention is: left stator and right stator form electromagnetic stator, and p-m rotor is inlaid with annular permanent magnet, makes the p-m rotor in the middle of electromagnetic stator and electromagnetic stator form axial direction electric machine.Axial direction electric machine is by rotating in a circumferential direction magnetic field and to the circumferential active force of p-m rotor one, make pump shaft rotate; Pump shaft can drive the vane rotary of mounted thereto when rotating, and then magnetic drive pump is started working.This mode that the present invention adopts, forms axial direction electric machine by p-m rotor and electromagnetic stator; Axial direction electric machine requires lower to the axial length of pump shaft, thus compared with " cartridge type " radial motor described in document CN104179693A, do not need longer pump shaft to support, thus decrease the axial length of pump shaft, and then reduce the size of whole magnetic drive pump; Further, p-m rotor and left stator, right stator are formed two axial direction electric machines by the present invention, thus increase output power, can ensure that, under same output power, the volume of magnetic drive pump is less, weight is lighter.
In addition, dividing plate and pump housing mesochite, spacer and pump housing back cover isolate electromagnetic stator, make liquid not enter motor electronic winding, and mechanical seal (motive sealing) is become seal ring standstill seal.
The present invention compared with prior art has following features:
1, annular permanent magnet is circumferentially embedded on rotor by the present invention, forms axial direction electric machine, decrease axial length with electromagnetic stator, decreases magnetic drive pump volume and weight, achieves motor-and-pump integrated;
2, biaxially motor drives, and increases rotating force, reduces axial force, and then reduces noise, and under equal pumping power requirement, volume of the present invention is less.
Below in conjunction with the drawings and specific embodiments, detailed construction of the present invention is further described.
Accompanying drawing explanation
Fig. 1-be structural representation of the present invention.
In figure: the 1-pump housing, 2-impeller, 3-pump shaft, 4-p-m rotor, 5-electromagnetic stator, 6-dividing plate, 7-spacer, 8-permanent magnet, 9-bearing, 11-pump housing fore shell, 12-pump housing mesochite, 13-pump housing back cover, the left stator of 51-, the right stator of 52-, 111-fluid inlet, 112-fluid output.
Embodiment
As shown in the figure, a kind of based on axial Dual-motors Driving integral type magnetic drive pump, comprise the pump housing 1, impeller 2, pump shaft 3, p-m rotor 4 and electromagnetic stator 5; The described pump housing 1 is axially made up of pump housing fore shell 11, pump housing mesochite 12 and pump housing back cover 13 along pump shaft 3; Pump housing internal separation is become former and later two chambers by pump housing mesochite 12; Electromagnetic stator 5 is made up of left stator 51 and right stator 52; Described pump housing fore shell 11 front end is provided with the fluid inlet 111 be communicated with front chamber, and pump housing fore shell 11 top is provided with the fluid output 112 be communicated with front chamber; Pump housing mesochite 12 and pump housing back cover 13 opposing insert have along pump shaft 3 left stator 52 circumferentially and right stator 52.
There is impeller 2 in described front chamber, in rear chamber, have the p-m rotor 4 matched with left stator 51 and right stator 52; Described pump housing mesochite 12 and the embedded left stator 51 of pump housing back cover 13 and right stator 52 are sealed by dividing plate 6 and spacer 7 respectively, and isolate with p-m rotor 4; Described impeller 2 is fixed on pump shaft 3, and p-m rotor 4 is also fixed on the other end of pump shaft 3 simultaneously, and pump shaft 3 is installed in the axis hole of pump housing mesochite 12 by bearing 9.
Described pump housing mesochite 12 positioned opposite and the embedded left stator 51 of pump housing back cover 13 and right stator 52 are positioned at the left and right sides of rear chamber, described dividing plate 6 is fixed in pump housing mesochite 12 rear chamber side inner concave wall, and left stator 51 is isolated with rear chamber's inner fluid, the front periphery of described spacer 7 is fixed on pump housing fore shell 11 together with the periphery of pump housing back cover 13 with pump housing mesochite 12, and is isolated with rear chamber's inner fluid by right stator 52.
Described p-m rotor 4 is circumferentially embedded with the permanent magnet 8 matched with left stator 51 and right stator 52; Permanent magnet 8 is annular permanent magnet.
Described left stator 51 and right stator 52 have identical mechanical structure, i.e. stator yoke and field coil, and stator yoke is overrided to form by silicon steel thin slice, and pump shaft is that radial direction laminates relatively, and field coil is around in the yoke portion of stator yoke.
Described pump housing fore shell 11 and pump housing mesochite 12, pump housing mesochite 12 and dividing plate 6, pump housing mesochite 12 and spacer 7 and be provided with seal ring between spacer 7 and pump housing back cover 13, the conveying liquid of described magnetic drive pump is isolated by described dividing plate 6 and spacer 7, make liquid not enter left stator 51 and right stator 52, change motive sealing into static seal.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technology thereof, then the present invention is also intended to comprise these change and modification.
Claims (8)
1., based on an integral type magnetic drive pump for axial Dual-motors Driving, comprise the pump housing (1), impeller (2), pump shaft (3), p-m rotor (4) and electromagnetic stator (5); The described pump housing (1) comprises pump housing fore shell (11), pump housing mesochite (12) and pump housing back cover (13); Pump housing internal separation is become former and later two chambers by pump housing mesochite (12); Impeller (2) is arranged in front chamber, and p-m rotor (4) is arranged in rear chamber; Impeller (2) and p-m rotor (4) are linked together by pump shaft (3); It is characterized in that: described electromagnetic stator (5) comprises left stator (51) and right stator (52); Left stator (51) and right stator (52) are mounted opposite the left and right sides in rear chamber; Left stator (51) and right stator (52) are along pump shaft (3) circumferentially; P-m rotor (4) is arranged between left stator (52) and right stator (52); Left stator (51) and right stator (52) are sealed by dividing plate (6) and spacer (7) respectively, and isolate with p-m rotor (4).
2., as claimed in claim 1 based on the integral type magnetic drive pump of axial Dual-motors Driving, it is characterized in that: described left stator (51) is embedded on pump housing mesochite (12); Right stator (52) is embedded on pump housing back cover (13).
3. as claimed in claim 1 or 2 based on the integral type magnetic drive pump of axial Dual-motors Driving, it is characterized in that: described dividing plate (6) is fixed in pump housing mesochite (12) rear chamber side inner concave wall, left stator (51) and rear chamber's inner fluid are isolated; Spacer (7) is fixed on pump housing fore shell (11) together with pump housing mesochite (12) and pump housing back cover (13), right stator (52) and rear chamber's inner fluid is isolated.
4., as claimed in claim 3 based on the integral type magnetic drive pump of axial Dual-motors Driving, it is characterized in that: described p-m rotor (4) is circumferentially embedded with the permanent magnet (8) matched with left stator (51) and right stator (52).
5., as claimed in claim 1 or 2 based on the integral type magnetic drive pump of axial Dual-motors Driving, it is characterized in that: described pump housing fore shell (11) offers fluid inlet (111) and fluid output (112).
6., as claimed in claim 3 based on the integral type magnetic drive pump of axial Dual-motors Driving, it is characterized in that: described left stator (51) and right stator (52) have identical structure; Include stator yoke and field coil; Stator yoke is overrided to form by silicon steel thin slice; The mode that laminates of stator yoke is that relative pump shaft radial direction laminates; Field coil is around in the yoke portion of stator yoke.
7., as claimed in claim 1 or 2 based on the integral type magnetic drive pump of axial Dual-motors Driving, it is characterized in that: described pump shaft (3) is installed in the axis hole of pump housing mesochite (12) by bearing (9).
8., as claimed in claim 4 based on the integral type magnetic drive pump of axial Dual-motors Driving, it is characterized in that: described permanent magnet (8) is annular permanent magnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510868363.1A CN105332927A (en) | 2015-12-02 | 2015-12-02 | Integrated magnetic pump based on axial dual motor driving |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510868363.1A CN105332927A (en) | 2015-12-02 | 2015-12-02 | Integrated magnetic pump based on axial dual motor driving |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105332927A true CN105332927A (en) | 2016-02-17 |
Family
ID=55283647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510868363.1A Pending CN105332927A (en) | 2015-12-02 | 2015-12-02 | Integrated magnetic pump based on axial dual motor driving |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105332927A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111356841A (en) * | 2017-11-22 | 2020-06-30 | 尼得科Gpm有限公司 | Coolant pump with optimized use structure and improved thermal efficiency |
| CN113738657A (en) * | 2021-11-03 | 2021-12-03 | 西安泵阀总厂有限公司 | Rare earth permanent magnet motor driven centrifugal pump and self-lubricating method |
| JP2022511021A (en) * | 2018-12-04 | 2022-01-28 | ゲイツ コーポレイション | Axial magnetic flux motor water pump |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3767330A (en) * | 1970-08-28 | 1973-10-23 | Marelli & C Spa Ercole | Electric hot water circulating pump with motor having an axial air gap |
| CN2125740U (en) * | 1992-05-08 | 1992-12-23 | 李本机 | Magnetic force driven pump |
| CN1316599A (en) * | 2001-04-09 | 2001-10-10 | 哈尔滨工程大学 | Magnetically driven pump |
| CN2553144Y (en) * | 2002-06-28 | 2003-05-28 | 南京进相机厂 | Disc centrifugal pump |
| CN201934324U (en) * | 2011-01-20 | 2011-08-17 | 扬州大学 | Permanent magnetic levitation axial electric pump |
| CN205207207U (en) * | 2015-12-02 | 2016-05-04 | 湖南师范大学 | Integral type magnetic drive pump based on two motor drive of axial |
-
2015
- 2015-12-02 CN CN201510868363.1A patent/CN105332927A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3767330A (en) * | 1970-08-28 | 1973-10-23 | Marelli & C Spa Ercole | Electric hot water circulating pump with motor having an axial air gap |
| CN2125740U (en) * | 1992-05-08 | 1992-12-23 | 李本机 | Magnetic force driven pump |
| CN1316599A (en) * | 2001-04-09 | 2001-10-10 | 哈尔滨工程大学 | Magnetically driven pump |
| CN2553144Y (en) * | 2002-06-28 | 2003-05-28 | 南京进相机厂 | Disc centrifugal pump |
| CN201934324U (en) * | 2011-01-20 | 2011-08-17 | 扬州大学 | Permanent magnetic levitation axial electric pump |
| CN205207207U (en) * | 2015-12-02 | 2016-05-04 | 湖南师范大学 | Integral type magnetic drive pump based on two motor drive of axial |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111356841A (en) * | 2017-11-22 | 2020-06-30 | 尼得科Gpm有限公司 | Coolant pump with optimized use structure and improved thermal efficiency |
| CN111356841B (en) * | 2017-11-22 | 2021-06-08 | 尼得科Gpm有限公司 | Coolant pump with optimized use structure and improved thermal efficiency |
| JP2022511021A (en) * | 2018-12-04 | 2022-01-28 | ゲイツ コーポレイション | Axial magnetic flux motor water pump |
| JP7180925B2 (en) | 2018-12-04 | 2022-11-30 | ゲイツ コーポレイション | axial flux motor water pump |
| CN113738657A (en) * | 2021-11-03 | 2021-12-03 | 西安泵阀总厂有限公司 | Rare earth permanent magnet motor driven centrifugal pump and self-lubricating method |
| CN113738657B (en) * | 2021-11-03 | 2022-03-15 | 西安泵阀总厂有限公司 | Rare earth permanent magnet motor driven centrifugal pump and self-lubricating method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Kang Huimei Inventor after: Xu Yishe Inventor before: Xu Yishe Inventor before: Kang Huimei |
|
| COR | Change of bibliographic data | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20160413 Address after: Yuelu District City, Hunan province 410006 Changsha Lushan Road No. 36 Applicant after: Hunan Normal University Address before: Wanjiali road 410151 in Hunan province Changsha Kaifu District, a section of No. 359 Applicant before: The dynamo-electric Vocationl Technical College in Hunan |
|
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160217 |
|
| RJ01 | Rejection of invention patent application after publication |