CN202152740U - Efficient permanent-magnet shielding electric pump - Google Patents
Efficient permanent-magnet shielding electric pump Download PDFInfo
- Publication number
- CN202152740U CN202152740U CN2011202521217U CN201120252121U CN202152740U CN 202152740 U CN202152740 U CN 202152740U CN 2011202521217 U CN2011202521217 U CN 2011202521217U CN 201120252121 U CN201120252121 U CN 201120252121U CN 202152740 U CN202152740 U CN 202152740U
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- stator
- pump
- rotor
- motor
- efficient permanent
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Abstract
The utility model relates to an efficient permanent-magnet shielding electric pump which comprises a pump head and a shielding motor, and is characterized in that thin-wall steel plates are wrapped on the inner diameter of a stator (15) and the outer diameter of a rotor (14); flanges are arranged at two end surfaces of the stator (15) and two end surfaces of the rotor (14); and the thin-wall steel plates wrapped on the inner diameter of the stator (15) and the outer diameter of the rotor (14) are welded with the flanges together. As the efficient permanent-magnet shielding electric pump is provided with the motor and does not have reactive exciter circuit, the loss of circuit and resistance of the stator is reduced, and the efficiency and power factors are improved, thereby improving the total efficiency of the pump and realizing the aim of energy conservation; the efficient permanent-magnet shielding electric pump only has station seal and does not have movable seal, so that the zero leakage can be achieved; and an efficient permanent-magnet motor is combined with the shielding electric pump, so that the efficiency and power factors of the motor are improved, and the current of the stator is reduced, thereby improving the efficiency of a unit, and saving the electric energy.
Description
Technical field
The invention belongs to the transfer pump technical field, more particularly, belong to a kind of efficient permanent magnet shielded electric-pump.
Background technique
Mostly the motor of existing shielded electric-pump is common phase asynchronous shield electric machine, and shield electric machine is by the bearing of stator, the cage rotor that in stator, rotates, two end supports rotor, the bearing support of rigid bearing.Because the diameter of stator bore of shield electric machine surface and rotor diameter surface are coated with the thin-wall stainless steel plate, have increased stator and gap between rotor simultaneously, increased the loss of electric machine greatly, so the electric efficiency of shielded electric-pump are also lower than common electric machine, the waste electric energy.
Summary of the invention
The present invention mainly is to the inefficient shortcoming of common shielded electric-pump, and a kind of high efficiency shielded electric-pump is provided.
A kind of efficient permanent magnet shielded electric-pump of the present invention comprises pump head and shield electric machine, and it is characterized in that: diameter of stator bore, rotor diameter all are surrounded by the thin-walled steel plate; Stator and two ends of rotor face have flange; The thin-walled steel plate and the flange of diameter of stator bore, rotor diameter weld together.
The present invention is in order to solve the inefficient problem of shielded electric-pump; Efficient permanent magnet motor is applied in the shielded electric-pump; Invented the efficient permanent magnet shielded electric-pump, the efficient permanent magnet shielded electric-pump mainly is made up of pump head and permanent magnet-shield motor, and pump head comprises the pump housing and the impeller that in the pump housing, rotates; The permanent magnet-shield motor is introduced the terminal box of power cable by the bearing of rotor rotated, the said rotor of two end supports in stator, the stator, the bearing support of rigid bearing.Compare with common canned motorpump, the permanent magnet-shield electric pump has adopted the higher magneto of efficient, has inlayed permanent magnet in the rotor iron core of magneto, has not had idle field current, has reduced stator current and primary resistor loss, has improved efficient and power factor.
The impeller shaft of efficient permanent magnet shielded electric-pump and motor shaft are all one, all adopt the sealing gasket static seal with the junction plane of extraneous UNICOM since with extraneous stationary seal, therefore reaching does not have leakage fully.Diameter of stator bore, rotor diameter all are surrounded by the thin-walled steel plate, and both ends of the surface have flange, and thin-walled steel plate and said flange weld together, and realize that the iron core of stator and the iron core of rotor do not contact with medium, avoid being corroded.
The present invention mainly contains following advantage compared with similar products: inlayed permanent magnet in the rotor iron core of motor, do not had idle field current; Stator current and primary resistor loss have been reduced; Improve efficient and power factor, thereby improved the total efficiency of pump, reached energy-conservation purpose; Have only the static seal stationary seal, can reach zero leakage.Efficient permanent magnet motor and shielded electric-pump are combined, improved efficiency of motor and power factor, reduced stator current, thereby improve unit efficiency, saved electric energy.
Description of drawings
Accompanying drawing 1 is the structural representation of efficient permanent magnet shielded electric-pump of the present invention.
Embodiment
Fig. 1 further specifies below in conjunction with accompanying drawing for the structural representation of efficient permanent magnet shielded electric-pump of the present invention.Efficient permanent magnet shielded electric-pump of the present invention; Mainly partly form, comprise the pump housing 1, nut 2, inducer 4, impeller 5, key 6, seal ring 7, bearing support 8,9, first clamping bolt 10, spring bearing 12, rotor 14, stator 15, spring bearing 16, screw mouth 17, seal ring 18, packing ring 19, second clamping bolt 20, main shaft 21, bearing support 22, terminal box 25, screw 26 by pump head part and shield electric machine.
The head branch comprises the pump housing 1 and impeller 5, the inducer 4 of rotation in the pump housing 1; Impeller shaft and motor shaft are all a main shaft 21; Impeller 5, inducer 4 are installed on the main shaft 21, and impeller 5 is installed on the main shaft 21 through key 6, and impeller 5 is fastened on the main shaft 21 through bolt 2 with inducer 4.Axle sleeve 9 is sleeved on the main shaft 21, is used for carrying out fastening to spring bearing 12.
Shield electric machine partly comprise stator 15, rotor 14, rotor 14 two ends spring bearing 12 and spring bearing 16, be used for fixing the bearing support 8 of spring bearing 12 and the bearing support 22 of fixed support bearing 16, these parts are installed in the motor body 13; Seal ring 18 is together arranged between bearing support 22 and the motor body 13, and bearing support 22 couples together through several bolts 20 with motor body 13, and the terminal box 25 of power cable is installed on the motor body 13.The pump housing 1 links together through clamping bolt 10 with motor body 13, and seal ring 7 is together arranged between the pump housing 1 and the motor body 12.Packing ring 19 is installed on the main shaft 21, is used for fixing spring bearing 16.Have screw mouth 17 on the block bearing 16, screw mouth 17 is used for block bearing 16 and bearing support 22 are tightened up.Have screw 26 on the bearing support 8, screw 26 is used to install fastening screw trip bolt.
Inlayed permanent magnet in the rotor iron core.Impeller shaft and motor shaft are all one, and with the junction plane employing sealing gasket static seal of extraneous UNICOM, stationary seal, therefore reaching does not have leakage fully.Stator 15 internal diameters, rotor 14 external diameters all are surrounded by the thin-walled steel plate, and both ends of the surface have flange, and thin-walled steel plate and flange weld together, and realize that stator 15, rotor 14 do not contact with medium, avoid being corroded.The lubricated of the cooling of motor and bearing accomplished by medium itself.
Claims (1)
1. an efficient permanent magnet shielded electric-pump comprises pump head and shield electric machine, it is characterized in that: stator (15) internal diameter, rotor (14) external diameter all are surrounded by the thin-walled steel plate; Stator (15) and rotor (14) both ends of the surface have flange; The thin-walled steel plate and the flange of stator (15) internal diameter, rotor (14) external diameter weld together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202521217U CN202152740U (en) | 2011-07-18 | 2011-07-18 | Efficient permanent-magnet shielding electric pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202521217U CN202152740U (en) | 2011-07-18 | 2011-07-18 | Efficient permanent-magnet shielding electric pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202152740U true CN202152740U (en) | 2012-02-29 |
Family
ID=45693238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202521217U Expired - Fee Related CN202152740U (en) | 2011-07-18 | 2011-07-18 | Efficient permanent-magnet shielding electric pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202152740U (en) |
-
2011
- 2011-07-18 CN CN2011202521217U patent/CN202152740U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120229 Termination date: 20150718 |
|
| EXPY | Termination of patent right or utility model |