CN106122038B - A kind of centrifugal water pump - Google Patents

A kind of centrifugal water pump Download PDF

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Publication number
CN106122038B
CN106122038B CN201610779662.2A CN201610779662A CN106122038B CN 106122038 B CN106122038 B CN 106122038B CN 201610779662 A CN201610779662 A CN 201610779662A CN 106122038 B CN106122038 B CN 106122038B
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China
Prior art keywords
pump
piston
centrifugal
water
magnet
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CN201610779662.2A
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Chinese (zh)
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CN106122038A (en
Inventor
姜宏志
杜耀辉
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Hebei Hui Hongtuo energy conservation and Environmental Protection Technology Co., Ltd.
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Hebei Hui Hongtuo Energy Conservation And Environmental Protection Technology Co Ltd
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Priority to CN201610779662.2A priority Critical patent/CN106122038B/en
Publication of CN106122038A publication Critical patent/CN106122038A/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D9/00Priming; Preventing vapour lock
    • F04D9/04Priming; Preventing vapour lock using priming pumps; using booster pumps to prevent vapour-lock
    • F04D9/043Priming; Preventing vapour lock using priming pumps; using booster pumps to prevent vapour-lock the priming pump being hand operated or of the reciprocating type
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00Pumping installations or systems
    • F04D13/02Units comprising pumps and their driving means
    • F04D13/06Units comprising pumps and their driving means the pump being electrically driven
    • F04D13/0606Canned motor pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00Pumping installations or systems
    • F04D13/02Units comprising pumps and their driving means
    • F04D13/06Units comprising pumps and their driving means the pump being electrically driven
    • F04D13/0606Canned motor pumps
    • F04D13/064Details of the magnetic circuit

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Abstract

The invention discloses a kind of centrifugal water pumps, include pump case, and pump case outer wall is installed with external stator winding and electromagnet coil;Rotor assembly is installed in pump case;Rotor assembly includes shaft, the inner rotor magnets and cylinder iron core that are fixedly connected in shaft and the turntable for being fixedly connected on shaft one end end;Pump case forms piston pump case portion close to one end of electromagnet coil, piston pump case is slidably fitted with piston in portion, piston is fixedly connected with permanent magnet close to one end of cylinder iron core, and piston pump cover is sealedly connected in piston pump case portion, and piston pump, which covers, to be connected with water feeding one-way valve and go out water one-way valve;The pump case other end is connected with centrifugal pump, and centrifugation pump cover is connected with water supply connector, and water supply connector is connect by connecting tube with going out water one-way valve.Piston pump works first when centrifugal water pump just starts, and by water through connecting in tube pump to centrifugal pump, then centrifugal pump works on, and centrifugal pump is made also can smoothly to start work when higher than water surface elevation in this way.

Description

A kind of centrifugal water pump
This patent is:
It is entitled:A kind of centrifugal water pump
Application No. is:201610082423.1
The applying date is:2016.02.05
Patent application divisional application.
Technical field
The invention belongs to water pump fields, and in particular to a kind of centrifugal water pump that can aloft extract lower water.
Background technology
Existing small-sized centrifugal water pump is typically mounted at below the water surface, is pumped water to eminence from lower as immersible pump, but The defects of apparent this kind of water pump is that the supply lines of water pump needs to reach in water, is difficult to ensure that insulation effect after prolonged use Fruit even causes electric leakage electric shock dangerous when serious, need using the higher supply lines of price, then certainly will if insulation performance is improved Improve the overall price of water pump.Small-sized centrifugal water pump is generally used on the small household appliances such as foot bath, thermos bottle, to the sexual valence of water pump It is also more relatively high than requiring.
Invention content
The technical problems to be solved by the invention are:In view of the deficienciess of the prior art, offer is a kind of compact-sized, if Count it is ingenious, can by installation be aloft used to smoke water from lower toward eminence, be provided simultaneously with the centrifugation of superior isolation performance Water pump.
Purpose to realize the present invention, is achieved using following technical scheme:A kind of centrifugal water pump, includes pump case, There are one external stator winding and an electromagnet coils for the pump case outer wall fixed installation;There are two being fixedly mounted in the pump case Rotor field spider, there are one rotor assembly for rotation connection on two rotor field spiders;The rotor assembly includes to be turned with rotor field spider The shaft of dynamic connection, the inner rotor magnets being fixedly connected in shaft and cylinder iron core and is fixedly connected on shaft close to interior The turntable of rotor magnet one end end;The inner rotor magnets are corresponding with external stator winding position, inner rotor magnets with it is outer fixed Sub- winding collectively forms a motor;The cylinder iron core is corresponding with the position of electromagnet coil, cylinder iron core and electromagnet Coil collectively forms an electromagnet;The inner rotor magnets are located between two rotor field spiders;It is fixed on the turntable The 2-6 drive magnets being distributed with circumference array are installed;
The pump case close to the molding of one end of electromagnet coil there are one piston pump case portion, slip in the piston pump case portion There are one piston, piston is fixedly connected close to one end of cylinder iron core there are one permanent magnet for installation, the magnetic field side inside permanent magnet To axially parallel with piston;It is tightly connected in the piston pump case portion there are one piston pump cover, piston pump is covered there are one connections Water feeding one-way valve and one go out water one-way valve;
There are one centrifugal pump, the centrifugal pump includes the centrifugal pump being fixedly connected with pump case for the pump case other end connection Shell, forms partition board in centrifugal pump shell, and partition board intermediary form has a newel, and there are one centrifugal pump leaves for rotation connection on newel; The centrifugal pump leaf includes pump phyllopodium plate, is integrally formed in pump phyllopodium plate far from 3-6 on one side end face of partition board with circumference The blade of array distribution and the driven magnet for being fixedly mounted on quantity identical with drive magnet on pump phyllopodium plate;The pump leaf Substrate intermediary form has the centre bore with newel cooperation rotation connection, is not connected between each blade;The centrifugation The side wall of pump case forms water outlet connector, and there are one centrifugal pumps for one end sealed connection of the centrifugal pump shell far from drive magnet Lid, there are one water supply connectors for the intermediate integrally connected of the centrifugation pump cover, and the water supply connector is by connecting tube and is discharged unidirectional Valve connects.
Preferably:The drive magnet and driven magnet is permanent magnet;The inner rotor magnets are permanent magnet.
Preferably:The turntable forms on the end face far from inner rotor magnets side accommodates the recessed of the drive magnet Mouthful, it is adhesively fixed between the drive magnet and recess inner wall by glue;The pump phyllopodium plate is close to the end face of partition board side On form the shrinkage pool for accommodating the driven magnet, it is be bonded by glue between driven magnet and shrinkage pool inner wall.
Compared with prior art, the beneficial effects of the invention are as follows:One end of the centrifugal water pump is piston pump, and the other end is Centrifugal pump, piston pump work first when water pump of the present invention just starts, by water through connecting in tube pump to centrifugal pump, then centrifugal pump It works on, centrifugal pump is made also can smoothly to start work when higher than water surface elevation in this way.Further, the piston of piston pump Upper connection permanent magnet, the electromagnet that cylinder iron core and electromagnet coil collectively form drive permanent magnet by the transformation of magnetic direction It moves back and forth, so as to drive reciprocating motion of the pistons.After pump startup is centrifuged, cylinder iron core rotates together with inner rotor magnets, circle Column iron core plays the role of clump weight, and the motor running for making inner rotor magnets and external stator winding composition is more steady;It is in addition, electric Magnet coil can power off after pump startup is centrifuged, and permanent magnet mutually attracts with cylinder iron core under magnetic field force effect, makes piston remote From water feeding one-way valve and go out water one-way valve so that the water entered from water feeding one-way valve can successfully pass through piston pump successively, go out Water one-way valve, connecting tube and water supply connector.
Description of the drawings
Fig. 1 is the structure diagram of the present invention.
Fig. 2 is the decomposition texture schematic diagram of the present invention.
Fig. 3 is the structure diagram of rotor assembly.
Fig. 4 is the decomposition texture schematic diagram for centrifuging pump portion.
81st, pump case;811st, external stator winding;812nd, electromagnet coil;813rd, piston pump case portion;814th, rotor field spider;82、 Piston pump cover;821st, water feeding one-way valve;822nd, go out water one-way valve;83rd, connecting tube;84th, centrifugal pump;840th, centrifugal pump shell;8401、 Partition board;8402nd, newel;841st, water supply connector;842nd, water outlet connector;843rd, pump cover is centrifuged;844th, centrifugal pump leaf;8441st, it pumps Phyllopodium plate;8442nd, blade;8443rd, driven magnet;8444th, centre bore;85th, rotor assembly;851st, inner rotor magnets;852nd, circle Column iron core;853rd, turntable;854th, drive magnet;855th, shaft;86th, piston;861st, permanent magnet.
Specific embodiment
Embodiment 1
According to Fig. 1 to Fig. 4, a kind of centrifugal water pump described in the present embodiment includes pump case 81, the pump case outer wall External stator winding 811 and an electromagnet coil 812 there are one being fixedly mounted;Rotor branch there are two being fixedly mounted in the pump case Frame 814, there are one rotor assembly 85 for rotation connection on two rotor field spiders;The rotor assembly includes to be rotated with rotor field spider The shaft 855 of connection, the inner rotor magnets 851 being fixedly connected in shaft and cylinder iron core 852 and it is fixedly connected on shaft Turntable 853 close to inner rotor magnets one end end;The inner rotor magnets are corresponding with external stator winding position, internal rotor magnetic Iron collectively forms a motor with external stator winding;The cylinder iron core is corresponding with the position of electromagnet coil, cylinder iron core An electromagnet is collectively formed with electromagnet coil;The inner rotor magnets are located between two rotor field spiders;Described turn The 2-6 drive magnets 854 being distributed with circumference array are installed on disk;
The pump case close to the molding of one end of electromagnet coil there are one piston pump case portion 813, in the piston pump case portion It is slidably installed there are one piston 86, piston is fixedly connected close to one end of cylinder iron core there are one permanent magnet 861, inside permanent magnet Magnetic direction it is axially parallel with piston;Piston pump cover 82 there are one being tightly connected in the piston pump case portion, piston pump covers Connection to go out water one-way valve 822 there are one water feeding one-way valve 821 and one;When the piston is moved near cylinder iron core, forever There are the gaps of 0.5-1mm between magnet and cylinder iron core.
There are one centrifugal pump 84, the centrifugal pump includes the centrifugation being fixedly connected with pump case for the pump case other end connection Pump case 840 forms partition board 8401 in centrifugal pump shell, and partition board intermediary form has newel 8402, is rotatably connected on newel One centrifugal pump leaf 844;The centrifugal pump leaf includes pump phyllopodium plate 8441, is integrally formed in pump phyllopodium plate far from partition board side 3-6 on end face with the blades 8442 of circumference array distribution and are fixedly mounted on identical with drive magnet on pump phyllopodium plate The driven magnet 8443 of quantity;The pump phyllopodium plate intermediary form has the centre bore 8444 with newel cooperation rotation connection, respectively It is not connected between a blade;The side wall of the centrifugal pump shell forms water outlet connector 842, and the centrifugal pump shell is far from drive One end of moving magnet is tightly connected there are one centrifugation pump cover, water supply connector that there are one the intermediate integrally connecteds of the centrifugation pump cover 841, the water supply connector is connect by connecting tube 83 with going out water one-way valve.
The drive magnet and driven magnet is permanent magnet;The inner rotor magnets are permanent magnet.The driving magnetic Iron is identical with the magnetic direction of driven magnet, so as to attract each other, when drive magnet is rotated with turntable, and driven magnet and centrifugation Pump leaf also rotates therewith.
The turntable forms the recess for accommodating the drive magnet, the drive on the end face far from inner rotor magnets side It is adhesively fixed between moving magnet and recess inner wall by glue;The pump phyllopodium plate forms appearance on the end face of partition board side Receive the shrinkage pool of the driven magnet, it is be bonded by glue between driven magnet and shrinkage pool inner wall.
The operation principle of the centrifugal water pump is such:The electromagnet coil and external stator winding are electric with control respectively Road plate electrical connection, when centrifugal water pump is started to work, alternation electricity of the control circuit board to electromagnet coil input frequency for 2-5Hz The electromagnet that stream, electromagnet coil and cylinder iron core are formed generates the magnetic field of alternation, is recycled between such electromagnet and permanent magnet Real estate magnetisation field gravitation and repulsion, so as to which piston be made to move reciprocatingly.It draws water to after full of centrifugal pump, controls in piston pump at the latest The external stator winding power supply of circuit board processed rotates inner rotor magnets, so as to which centrifugal pump leaf be driven to rotate.
In the present invention, by increasing a piston pump with centrifuging series connection of pumps, make centrifugal pump when higher than water surface elevation Work can smoothly be started.Further, the cylinder iron core of the electromagnet of driving piston pump work is also simultaneously as internal rotor magnetic The counterweight of iron makes operating steadily for centrifugation pump portion, after tested, compared to inner rotor magnets and cylinder iron core phase separation situation, Efficiency improves more than 5%.
Embodiment 2
Difference lies in the electromagnet coil continues work to the present embodiment after centrifugal pump start-up operation with embodiment 1 Make, output power is set as the 30%-60% of centrifugal pump.The water projected in this way from water outlet connector is in the state of pressure oscillation.This kind Centrifugal water pump is suitable on the physical therapy electric appliance of foot-bathing bucket one kind, and the water of pressure oscillation can play the role of massage.

Claims (1)

1. a kind of centrifugal water pump includes pump case, there are one external stator winding and an electromagnetism for the pump case outer wall fixed installation Iron coil;It is fixedly mounted in the pump case there are two rotor field spider, there are one rotor assembly for rotation connection on two rotor field spiders;
It is characterized in that:
The rotor assembly includes the shaft being rotatablely connected with rotor field spider, be fixedly connected on inner rotor magnets in shaft and Cylinder iron core and it is fixedly connected on turntable of the shaft close to inner rotor magnets one end end;The inner rotor magnets with it is outer fixed Sub- winding position is corresponding, and inner rotor magnets collectively form a motor with external stator winding;The cylinder iron core and electromagnet The position of coil is corresponding, and cylinder iron core collectively forms an electromagnet with electromagnet coil;The inner rotor magnets are located at two Between a rotor field spider;The 2-6 drive magnets being distributed with circumference array are installed on the turntable;
The pump case there are one piston pump case portion, is slidably installed close to the molding of one end of electromagnet coil in the piston pump case portion There are one piston, piston is fixedly connected close to one end of cylinder iron core there are one permanent magnet, the magnetic direction inside permanent magnet with Piston is axially parallel;It is tightly connected in the piston pump case portion there are one piston pump cover, piston pump covers connection, and there are one intake Check valve and one go out water one-way valve;When the piston is moved near cylinder iron core, stayed between permanent magnet and cylinder iron core There is the gap of 0.5-1mm;
There are one centrifugal pump, the centrifugal pump includes the centrifugal pump shell being fixedly connected with pump case for the pump case other end connection, Form partition board in centrifugal pump shell, partition board intermediary form has a newel, and there are one centrifugal pump leaves for rotation connection on newel;It is described Centrifugal pump leaf includes pump phyllopodium plate, is integrally formed in pump phyllopodium plate far from 3-6 on one side end face of partition board with circumference array The blade of distribution and the driven magnet for being fixedly mounted on quantity identical with drive magnet on pump phyllopodium plate;The pump phyllopodium plate Intermediary form has the centre bore with newel cooperation rotation connection, is not connected between each blade;The centrifugal pump shell Side wall form water outlet connector, the one end of the centrifugal pump shell far from drive magnet is tightly connected that there are one centrifugation pump cover, institutes The intermediate integrally connected of centrifugation pump cover is stated there are one water supply connector, the water supply connector is connected by connecting tube with going out water one-way valve It connects;
The drive magnet and driven magnet is permanent magnet;The inner rotor magnets are permanent magnet;
The drive magnet is identical with the magnetic direction of driven magnet, so as to attract each other, when drive magnet is rotated with turntable, Driven magnet and centrifugal pump leaf also rotate therewith;
The turntable forms the recess for accommodating the drive magnet, the driving magnetic on the end face far from inner rotor magnets side It is adhesively fixed between iron and recess inner wall by glue;The pump phyllopodium plate forms on the end face of partition board side accommodates institute The shrinkage pool of driven magnet is stated, it is be bonded by glue between driven magnet and shrinkage pool inner wall;
The electromagnet coil and external stator winding is electrically connected respectively with control circuit board, when centrifugal water pump is started to work, control The alternating current that circuit board processed is 2-5Hz to electromagnet coil input frequency, the electromagnetism that electromagnet coil and cylinder iron core are formed Iron generates the magnetic field of alternation, magnetic field gravitation and repulsion is cyclically generated between such electromagnet and permanent magnet, so as to do piston It moves back and forth;
It draws water at the latest in piston pump to after full of centrifugal pump, the external stator winding power supply of control circuit board turns inner rotor magnets It is dynamic, so as to which centrifugal pump leaf be driven to rotate;
The electromagnet coil works on after centrifugal pump start-up operation, and output power is set as the 30%-60% of centrifugal pump.
CN201610779662.2A 2016-02-05 2016-02-05 A kind of centrifugal water pump Active CN106122038B (en)

Priority Applications (1)

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CN201610779662.2A CN106122038B (en) 2016-02-05 2016-02-05 A kind of centrifugal water pump

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CN201610779662.2A CN106122038B (en) 2016-02-05 2016-02-05 A kind of centrifugal water pump
CN201610082423.1A CN105508258B (en) 2016-02-05 2016-02-05 A kind of centrifugal water pump

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CN106122038B true CN106122038B (en) 2018-06-19

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CN109275393B (en) * 2017-07-21 2022-09-06 沈阳市实丰农业机械厂 Reciprocating suction device applied to air suction seed sowing device
CN110552897A (en) * 2018-06-04 2019-12-10 深圳市加海科技有限公司 Submersible pump
CN110397603B (en) * 2019-08-03 2020-09-15 绍兴柯桥春生水务科技有限公司 Water pump
CN110259696B (en) * 2019-08-03 2020-09-15 日照市永和泵业有限公司 Centrifugal water pump
TWI708895B (en) * 2019-08-28 2020-11-01 黃國洪 Pump
CN111946627B (en) * 2020-08-29 2021-09-21 浙江乐蛙泵业有限公司 Centrifugal water pump

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JP2584375B2 (en) * 1991-10-01 1997-02-26 卓也 袖山 Foot bath
CA2733337C (en) * 2010-03-01 2018-12-11 Timothy Marks Fluid pump assembly
KR101395824B1 (en) * 2011-12-30 2014-05-27 (주)버블랜드 Foot bath with Microbubbles generating and circulating means
CN102606446A (en) * 2012-03-26 2012-07-25 美的集团有限公司 Water circulation and bubble generation driving device of foot bath device
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CN105508258A (en) 2016-04-20
CN106122038A (en) 2016-11-16

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Inventor after: Jiang Hongzhi

Inventor after: Du Yaohui

Inventor before: Huang Wenjia

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Effective date of registration: 20180514

Address after: 050085 Hebei 2 Shijiazhuang A 2 1 and 1

Applicant after: Hebei Hui Hongtuo energy conservation and Environmental Protection Technology Co., Ltd.

Address before: 310052 Hangzhou, Binjiang District, Zhejiang, Dongguan Road, 655, Jinsheng 5, 1 units, 1102 rooms.

Applicant before: Huang Wenjia

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