CN203463300U - Submerged pump and high-speed in-tube pump employing submerged pump - Google Patents
Submerged pump and high-speed in-tube pump employing submerged pump Download PDFInfo
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- CN203463300U CN203463300U CN201320543445.5U CN201320543445U CN203463300U CN 203463300 U CN203463300 U CN 203463300U CN 201320543445 U CN201320543445 U CN 201320543445U CN 203463300 U CN203463300 U CN 203463300U
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Abstract
The utility model discloses a submerged pump and a high-speed in-tube pump employing the submerged pump. The high-speed in-tube pump comprises the submerged pump which is applied in a tube body; a submerged motor of the submerged pump is a permanent-magnetic high-speed motor; the upper end and the lower end of a motor shaft both penetrate inside an oil-charge type bearing or a water bearing; the oil-charge type bearing is an ordinary high-speed deep groove ball bearing or an angular contact bearing; the water bearing is a graphite or asbestos iron bearing used in a water-charge type pump; a magnetic thrust bearing is arranged at the bottom of the oil-charge type bearing or the water bearing at the lower end of the motor shaft; a pressure sensor is arranged on the shell of the submerged pump; magnetic steel is arranged on a rotor. The submerged pump is small in size, light in weight, high in working efficiency, accurate in intelligent control, high in automation degree and long in service life. The submerged pump is widely applicable to pressurized water supply in areas insufficient in water pressure.
Description
Technical field
The utility model belongs to living water equipment technical field, relates to a kind of submersible pump and applies pump in the high-velocity tube of this submersible pump.
Background technique
As everyone knows, along with the progress of residential city, and the raising of life in the countryside level, the demand of building water supply equipment is in continuous rising.Water supply equipment experienced in recent years from the constant pressure water supply of separate unit or the combination of many centrifugal pumps to pipe the evolution of constant pressure water supply of pump and unit.
In pipe, pump assembly has good quiet feature than centrifugal pump group, but all uses induction generator to be used as power, 2850 revs/min of rotating speeds (during 60Hz 3420 revs/min), and the large weight of the volume of water supply equipment is heavier, and efficiency is not high enough.
In pipe on market, pump adopts plain bearing mechanical loss large, along with extending its wearing and tearing service time, constantly can rise, and easily damages, and operating life is not long, and General Requirements will changed bearing in two years.
A kind of volume is little lightweight, and working efficiency is high, and in the pipe of long working life, pump is expected by everybody.
Summary of the invention
For the deficiency existing in background technique, the purpose of this utility model is to provide pump in a kind of submersible pump of high-efficient automatic and high-velocity tube, makes pump in pipe aspect volume, weight, efficiency, intelligent control, operating life, further promoted and optimize.
For achieving the above object, the utility model provides following technological scheme:
A kind of submersible pump, comprise the pump housing and submersible motor, the motor shaft of submersible motor drives the pump shaft of the pump housing, submersible motor adaptation has the controller of controlling its work, in the casing of submersible motor, be fixed with stator, in stator, be provided with rotor, described submersible motor is permanent magnet high-speed motor, and the upper and lower end of motor shaft is all located in bearing.
Described bearing is the common high speed deep groove ball bearing of oil-filled type or angular contact bearing or submerged bearing; Described submerged bearing is graphite asbestos iron bearing for Water pump.
The bearing bottom of described motor shaft lower end is provided with magnetic thrust-bearing, magnetic thrust-bearing comprises magnet I and magnet II, the end of motor shaft is fixed with magnet I, is fixed with the magnet II matching with described magnet I on the base of submersible motor, and the face magnetic pole of pressing close to mutually of magnet I and magnet II repels each other.
Described permanent magnet high-speed motor is permanent magnetism high-speed brushless motor or AC permanent-magnet high-speed synchronous motor.
The magnet steel of described rotor is Nd-Fe-B magnet steel.
A pump in high-velocity tube, comprises described submersible pump, and submersible pump is arranged in body, and described controller is contained in the outside of body, and the two ends of body are separately installed with adpting flange, and the flange middle part of body water intake one side is provided with filter screen; The end that is positioned at body water intake one side of described submersible pump is for ease of the curved cover plate of water conservancy diversion.
The utility model beneficial effect compared to existing technology:
1, the utility model adopts permanent magnetism high-speed brushless motor, speed is adjustable at 0 to 10000 rev/min, when speed is when turning round for 7000 revs/min, the lift of every grade of impeller exceeds 5 times than the pumping head on existing market, the volume ratio conventional pumps of motor and pump is much smaller, can significantly alleviate like this weight and volume of pump in pipe;
2, on the shell of the utility model pump in pipe, pressure transducer is housed, the outer adaptation of permanent magnetism high-speed brushless motor has controller, has so just had constant voltage and has controlled and supply water, the advantage of can intelligent program controlling;
3, the utility model adopts oil-filled type bearing or submerged bearing to carry out support rotor, the oil-filled type bearing of motor shaft lower end or submerged bearing bottom are provided with magnetic thrust-bearing, during motor shaft rotary work, almost there is no surface friction drag, such structure extends operating life greatly.
Accompanying drawing explanation
Fig. 1 is pump structure schematic diagram in pipe;
Fig. 2 is the bearing place structural representation of pump in pipe.
Embodiment
Below in conjunction with drawings and Examples, to embodiment of the present utility model as preferred detailed description.Following examples are used for illustrating the utility model, but are not used for limiting scope of the present utility model.
As Figure 1-Figure 2, a kind of submersible pump, comprise the pump housing 6 and submersible motor 7, the motor shaft of submersible motor 7 drives the pump shaft of the pump housing 6, submersible motor 7 adaptations have the controller 21 of controlling its work, in the casing of submersible motor 7, are fixed with stator, are provided with rotor in stator, described submersible motor 7 is permanent magnet high-speed motor, and the upper and lower end of motor shaft is all located in oil-filled type bearing or submerged bearing 23; Described oil-filled type bearing is common high speed deep groove ball bearing or angular contact bearing; Described submerged bearing 23 is graphite asbestos iron bearing for Water pump; The oil-filled type bearing of motor shaft lower end or submerged bearing bottom are provided with magnetic thrust-bearing.
Described magnetic thrust-bearing comprises magnet I 24 and magnet II 25, and the end of motor shaft is fixed with magnet I 24, is fixed with the magnet II 25 matching with described magnet I on the base of submersible motor 7, and the face magnetic pole of pressing close to mutually of magnet I and magnet II repels each other.
Described permanent magnet high-speed motor is permanent magnetism high-speed brushless motor or AC permanent-magnet high-speed synchronous motor.
The magnet steel of described rotor is Nd-Fe-B magnet steel or other permanent magnets.
Comprise the submersible pump being arranged in body 18,
A pump in high-velocity tube, described submersible pump is arranged in body, and described controller is directly contained in the outside of body, and the two ends of body are separately installed with adpting flange, and the flange middle part of body water intake one side is provided with filter screen; The end that is positioned at body water intake one side of described submersible pump is for ease of the curved cover plate of water conservancy diversion; Be provided with on the pipeline of pump in pipe and be provided with pressure transducer 22.
The permanent magnetism high-speed brushless motor that the utility model adopts is high-speed permanent-magnet brushless synchronous machine, speed is adjustable at 0 to 10000 rev/min, when speed is when turning round for 7200 revs/min, the lift of every grade of impeller exceeds 6 times than conventional lift of pump, can significantly alleviate like this weight and volume of pump.This high-speed permanent-magnet brushless synchronous machine and controller 21 support the use, when in pipe, pump turns round in high velocity range by controller 21 by the controlled sequence frequency conversion automatic operation of setting.
High-speed permanent-magnet brushless synchronous machine has permanent-magnet DC brushless synchronous machine and permanent magnet AC synchronous machine etc., and the stator structure of this two motor is different, and driving mode is also different.Front a kind of number of stator slots (3 multiples) is less, coil column structure.Rear a kind of substantially the same with ordinary three-phase synchronous, stator slot shape and groove number, and coil shape, Placement is all the same with ordinary three-phase synchronous; But the rotor of motor is all the same, and magnet steel is housed on rotor, can be pasted by rotor outer surface the mode of structure of the embedded magnet steel of magnet steel or rotor top layer.This magnet steel adopts Nd-Fe-B magnet steel, also can adopt other permanent magnets.For the making of magnet steel and easy to use, number of magnetic poles is often got 4,6,8 utmost points, this high-speed permanent-magnet brushless synchronous machine is after the power supply of the three-phase alternating impulse of access controller 21 outputs, the stator coil of motor produces three phase rotating field, rotor is also with corresponding rotation, rotor speed is being followed magnetic field rotating, and the rotating speed of the variation rotor that frequency is come also and then changes, and " synchronously " follows magnetic field rotating.
Bearing in pump adopts the submerged bearing of graphite or asbestos iron and so on, but will fill one group of magnetic thrust structure magnetic plain thrust bearing being comprised of like pole face in motor shaft bottom.Also can adopt whole motor part oil-filled, with thrust-bearing and deep groove ball bearing, the operating life of pump be extended greatly, this is the outstanding advantages of the bearing of magnetic levitation technology application.
Two that concrete use is pump in pipe is all that flange connects, water has entering of guard from large one, water outlet is the delivery side of pump in the middle of pipe, whole pump is all in water, outside motor obtains fully cooling in current, the shell of pump is equipped with a pressure transducer, play transmission of pressure signal shows on controller 21, and by 21 pairs of pressure signal contrast control of controller, when pressure is enough, do not start shooting, during underpressure, start shooting, when water consumption is large, automatic regulating frequency makes faster rotational speed, reaches the effect of constant pressure water supply.
On the microprocessor of controller 21, enroll the desired various control programs of pump.Compare with the constant pressure water supply equipment of pump in the pipe of the AC induction motor of existing employing frequency conversion, in pipe of the present utility model, pump is owing to adopting high-speed permanent-magnet brushless synchronous machine, had efficient, can intelligent program control, the advantage such as volume is little, lightweight, compare with existing other centrifugal pumping apparatus, have quiet, efficiency is high, volume little (approximately 1/3), lightweight (approximately 1/3), control rate is accurate soon, the advantage that intelligent degree is higher.
Can be single during use pump use or two three pumps are used in combination formation constant pressure water supply equipment.
The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art, do not departing under the prerequisite of the utility model know-why, making some improvement and modification and also should be considered as protection domain of the present utility model.
Claims (6)
1. a submersible pump, it is characterized in that: comprise the pump housing and submersible motor, the motor shaft of submersible motor drives the pump shaft of the pump housing, submersible motor adaptation has the controller of controlling its work, in the casing of submersible motor, be fixed with stator, in stator, be provided with rotor, described submersible motor is permanent magnet high-speed motor, and the upper and lower end of motor shaft is all located in bearing.
2. a kind of submersible pump according to claim 1, is characterized in that: described bearing is the common high speed deep groove ball bearing of oil-filled type or angular contact bearing or submerged bearing; Described submerged bearing is graphite asbestos iron bearing for Water pump.
3. a kind of submersible pump according to claim 2, it is characterized in that: the bearing bottom of described motor shaft lower end is provided with magnetic thrust-bearing, magnetic thrust-bearing comprises magnet I and magnet II, the end of motor shaft is fixed with magnet I, on the base of submersible motor, be fixed with the magnet II matching with described magnet I, the face magnetic pole of pressing close to mutually of magnet I and magnet II repels each other.
4. a kind of submersible pump according to claim 1, is characterized in that: described permanent magnet high-speed motor is permanent magnetism high-speed brushless motor or AC permanent-magnet high-speed synchronous motor.
5. a kind of submersible pump according to claim 1, is characterized in that: the magnet steel of described rotor is Nd-Fe-B magnet steel.
6. pump in a high-velocity tube, it is characterized in that: comprise submersible pump claimed in claim 1, described submersible pump is arranged in body, and described controller is contained in the outside of body, the two ends of body are separately installed with adpting flange, and the flange middle part of body water intake one side is provided with filter screen; The end that is positioned at body water intake one side of described submersible pump is for ease of the curved cover plate of water conservancy diversion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320543445.5U CN203463300U (en) | 2013-09-02 | 2013-09-02 | Submerged pump and high-speed in-tube pump employing submerged pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320543445.5U CN203463300U (en) | 2013-09-02 | 2013-09-02 | Submerged pump and high-speed in-tube pump employing submerged pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203463300U true CN203463300U (en) | 2014-03-05 |
Family
ID=50175668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320543445.5U Expired - Fee Related CN203463300U (en) | 2013-09-02 | 2013-09-02 | Submerged pump and high-speed in-tube pump employing submerged pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203463300U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105736403A (en) * | 2016-04-29 | 2016-07-06 | 浙江创美机电有限公司 | Water-immersed submerged pump with permanent magnet synchronous motor |
-
2013
- 2013-09-02 CN CN201320543445.5U patent/CN203463300U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105736403A (en) * | 2016-04-29 | 2016-07-06 | 浙江创美机电有限公司 | Water-immersed submerged pump with permanent magnet synchronous motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170111 Address after: Taizhou City, Zhejiang province 317521 Wenling City Zeguo town Muyu electromechanical Industrial Park Patentee after: ZHEJIANG XILING CO., LTD. Address before: The town of Wenling Taizhou City Tower Ao village of 317522 cities in Zhejiang Province Patentee before: Zhejiang Chuangmei Electromotor Co., Ltd. |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20200514 Address after: The town of Wenling Taizhou City Tower Ao village of 317522 cities in Zhejiang Province Patentee after: ZHEJIANG CHUANGMEI ELECTROMOTOR Co.,Ltd. Address before: Taizhou City, Zhejiang province 317521 Wenling City Zeguo town Muyu electromechanical Industrial Park Patentee before: ZHEJIANG XILING Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140305 Termination date: 20200902 |
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| CF01 | Termination of patent right due to non-payment of annual fee |