CN2901669Y - Micro water pump - Google Patents
Micro water pump Download PDFInfo
- Publication number
- CN2901669Y CN2901669Y CN 200620026158 CN200620026158U CN2901669Y CN 2901669 Y CN2901669 Y CN 2901669Y CN 200620026158 CN200620026158 CN 200620026158 CN 200620026158 U CN200620026158 U CN 200620026158U CN 2901669 Y CN2901669 Y CN 2901669Y
- Authority
- CN
- China
- Prior art keywords
- rotor
- magnetic field
- magnetic
- water pump
- utility
- 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.)
- Expired - Fee Related
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to water pump, especially a miniature water pump for small size medical equipment, aquarium and man made marvel, which comprises a pump body with inlet and outlet, a stator and a rotor. The utility model is characterized in that the miniature water pump is provided beneath the rotor with a magnetic device which magnetic density is smaller than the magnetic density of master drive alternating magnetic field. The utility model has the advantage of mounting the magnetic device with proper magnetic density on the pump body beneath the rotor and forming into a resultant magnetic field of alternating magnetic field and auxiliary magnetic field acting together on the rotor, which breaks the magnetic state of motors relative equilibrium, overcomes the dead angle of rotor starting and guarantees the normal starting of the water pump.
Description
Technical field
The utility model belongs to water pump, relates in particular to a kind of micro pump that is applicable to small-sized Medical Devices, Shui nationality equipment and man-made tourist site.
Background technology
At present, the micro pump of small-sized Medical Devices, Shui nationality equipment and man-made tourist site adopts the structure of magnetic force direct driving rotor work.Because low price simple in structure is widely used in the not high equipment of ask for something condition.The actuating force of described water pump be action of alternating magnetic field in the radial magnetic force rotor that is installed in the center, make rotor rotation and drive water wheels and rotate.Because the drag effect of carrying liquid especially is in the dead-centre position when rotor stop position just in time is in when overlapping with the magnetic line of force, rotor then is in a kind of relative balance state, and can not normally start, and then causes the water pump damage for a long time.
The utility model content
The purpose of this utility model is to overcome the defective of above-mentioned technology, and a kind of magnetic field condition that makes rotor be in relative balance state of can breaking is provided, and guarantees the normal micro pump that starts of water pump rotor.
The utility model for achieving the above object, by the following technical solutions: a kind of micro pump, comprise the pump housing, stator and the rotor that have intake-outlet, it is characterized in that: being provided with magnetic field intensity below described rotor should be less than the main magnetic means that drives alternating magnetic field intensity.
Described magnetic means is the suitable permanent magnet of magnetic field intensity.
Described magnetic means is the electromagnet that is tied with coil on the magnetic conductor.
The beneficial effects of the utility model: be the suitable magnetic means of on the pump housing below the rotor, installing of magnetic field intensity, can form an alternating magnetic field and auxiliary magnetic field acting in conjunction in the resultant field of rotor, broken the magnetic field state that causes rotor to be in relative equilibrium, dead angle when overcoming rotor startup is for the normal startup of water pump is given security.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the structural representation of embodiment 2;
Fig. 3 is the contour structures schematic diagram of water pump.
Embodiment
Embodiment 1
See accompanying drawing 1-3 for details, a kind of micro pump, comprise the pump housing 2 that has intake-outlet 3,1, by stator 4 and rotor 5 that magnetic conductor 4-1 and coil 4-2 form, being provided with magnetic field intensity below rotor should be less than the main magnetic means-permanent magnet 6 that drives alternating magnetic field intensity.The permanent magnet that the magnetic field intensity of installing below rotor is suitable then forms the magnetic field of an alternating magnetic field and permanent magnet 6 actings in conjunction and rotor, has broken the magnetic field state that causes rotor to be in relative balance state, starts for water pump is normal and gives security.
Embodiment 2
A kind of micro pump, the stator 4 and the rotor 5 that comprise the pump housing 2 that has intake-outlet 3,1, form by magnetic conductor 4-1 and coil 4-2, being provided with magnetic field intensity below rotor should be less than the main magnetic means that drives alternating magnetic field intensity, and magnetic means is the electromagnet 7 that is tied with coil 7-2 on the magnetic conductor 7-1.
Said structure is the suitable magnetic means of installing on the pump housing below the rotor of magnetic field intensity, can form an alternating magnetic field and auxiliary magnetic field acting in conjunction in the resultant field of rotor, broken the magnetic field state that causes rotor to be in relative equilibrium, dead angle when overcoming rotor startup is for the normal startup of water pump is given security.
The above only is preferred embodiment of the present utility model, is not any pro forma restriction is done in combination of the present utility model.Every foundation technical spirit of the present utility model all still belongs in the scope of the technical solution of the utility model any simple modification, equivalent variations and modification that above embodiment did.
Claims (3)
1, a kind of micro pump comprises the pump housing, stator and the rotor that have intake-outlet, it is characterized in that: being provided with magnetic field intensity below described rotor should be less than the main magnetic means that drives alternating magnetic field intensity.
2, micro pump according to claim 1 is characterized in that: described magnetic means is the suitable permanent magnet of magnetic field intensity.
3, micro pump according to claim 1 is characterized in that: described magnetic means is the electromagnet that is tied with coil on the magnetic conductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620026158 CN2901669Y (en) | 2006-05-26 | 2006-05-26 | Micro water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620026158 CN2901669Y (en) | 2006-05-26 | 2006-05-26 | Micro water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2901669Y true CN2901669Y (en) | 2007-05-16 |
Family
ID=38085833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620026158 Expired - Fee Related CN2901669Y (en) | 2006-05-26 | 2006-05-26 | Micro water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2901669Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102410262A (en) * | 2010-09-19 | 2012-04-11 | 陈际军 | Water pump |
-
2006
- 2006-05-26 CN CN 200620026158 patent/CN2901669Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102410262A (en) * | 2010-09-19 | 2012-04-11 | 陈际军 | Water pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070516 Termination date: 20120526 |