CN106122038A - A kind of centrifugal water pump - Google Patents

A kind of centrifugal water pump Download PDF

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Publication number
CN106122038A
CN106122038A CN201610779662.2A CN201610779662A CN106122038A CN 106122038 A CN106122038 A CN 106122038A CN 201610779662 A CN201610779662 A CN 201610779662A CN 106122038 A CN106122038 A CN 106122038A
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CN
China
Prior art keywords
pump
piston
water
centrifugal
centrifugal pump
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Granted
Application number
CN201610779662.2A
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Chinese (zh)
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CN106122038B (en
Inventor
黄文佳
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Hebei Hui Hongtuo Energy Conservation And Environmental Protection Technology Co Ltd
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Individual
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Priority to CN201610779662.2A priority Critical patent/CN106122038B/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 pump, include pump case, pump case outer wall is installed with external stator winding and electromagnet coil;Rotor assembly is installed in pump case;Rotor assembly includes rotating shaft, the inner rotor magnets being fixedly connected in rotating shaft and cylinder iron core, and is fixedly connected on the rotating disk of end, rotating shaft one end;Pump case forms piston pump case portion near one end of electromagnet coil, piston pump case is slidably fitted with piston in portion, piston is fixedly connected with permanent magnet near one end of cylinder iron core, and piston pump case portion is sealedly connected with piston pump cover, and piston pump lid connects to be had water feeding one-way valve and go out water one-way valve;The pump case other end connects centrifugal pump, and centrifugal pump cover connects water supply connector, and water supply connector is connected with going out water one-way valve by connecting tube.First piston pump works when centrifugal water pump just starts, and by water in connection tube pump to centrifugal pump, then centrifugal pump works on, and so makes centrifugal pump also be able to start smoothly work when higher than water surface elevation.

Description

A kind of centrifugal water pump
This patent is:
Entitled: a kind of centrifugal water pump
Application No.: 201610082423.1
Filing date: 2016.02.05
The divisional application of patent application.
Technical field
The invention belongs to water pump field, be specifically related to a kind of centrifugal water pump that can extract lower water aloft.
Background technology
Existing small-sized centrifugal water pump is typically mounted at below the water surface, as immersible pump by water from lower pump to eminence, but The defect of this kind of water pump clearly is that the supply lines of water pump needs to reach in water, is difficult to ensure that insulation effect after a long time use Really, time serious, even causing electric leakage electric shock dangerous, if improving insulating properties to need to use the higher supply lines of price, then certainly will The overall price making water pump improves.Small-sized centrifugal water pump is generally used for the sexual valence on the small household appliances such as foot bath, hot water bottle, to water pump More of a relatively high than requiring.
Summary of the invention
The technical problem to be solved is: the deficiency existed for prior art, it is provided that a kind of compact conformation, if Count ingenious, it is possible to it is arranged on eminence and is used for smoking water toward eminence from lower, be provided simultaneously with the centrifugal of superior isolation performance Water pump.
For realizing the purpose of the present invention, it is achieved by the following technical solutions: a kind of centrifugal water pump, includes pump case, Described pump case outer wall is installed with an external stator winding and an electromagnet coil;Two it are installed with in described pump case Rotor field spider, two rotor field spiders are rotatably connected to a rotor assembly;Described rotor assembly includes and turns with rotor field spider The rotating shaft being dynamically connected, the inner rotor magnets being fixedly connected in rotating shaft and cylinder iron core, and it is fixedly connected on rotating shaft near interior The rotating disk of end, rotor magnet one end;Described inner rotor magnets is corresponding with external stator winding position, and inner rotor magnets is fixed with outer Sub-winding collectively forms a motor;Described cylinder iron core is corresponding with the position of electromagnet coil, cylinder iron core and electric magnet Coil collectively forms an electric magnet;Described inner rotor magnets is between two described rotor field spiders;Fix on described rotating disk 2-6 the drive magnet being distributed with circumference array is installed;
Described pump case forms a piston pump case portion near one end of electromagnet coil, is slidably installed in described piston pump case portion Having a piston, piston is fixedly connected with a permanent magnet near one end of cylinder iron core, the magnetic direction within permanent magnet with Piston is axially in parallel;Being sealedly connected with a piston pump cover in described piston pump case portion, piston pump lid connects a water inlet Check valve and one go out water one-way valve;
The described pump case other end connects a centrifugal pump, and described centrifugal pump includes fixes the centrifugal pump shell being connected with pump case, Forming dividing plate in centrifugal pump shell, dividing plate intermediary form has newel, and newel is rotatably connected to a centrifugal pump leaf;Described Centrifugal pump leaf includes pump phyllopodium plate, one-body molded individual with circumference array away from the 3-6 on dividing plate one side end face at pump phyllopodium plate The blade of distribution, and it is fixedly mounted on pump phyllopodium plate the driven magnet with drive magnet equal number;Described pump phyllopodium plate Intermediary form has and coordinates the centre bore being rotationally connected with newel, is not connected with between each described blade;Described centrifugal pump shell Sidewall form water out adapter, described centrifugal pump shell is sealedly connected with a centrifugal pump cover, institute away from one end of drive magnet The centre stating centrifugal pump cover is connected with a water supply connector, and described water supply connector is connected with going out water one-way valve by connecting tube Connect.
Preferably: described drive magnet and driven magnet are permanent magnet;Described inner rotor magnets is permanent magnet.
Preferably: described rotating disk forms on the end face away from inner rotor magnets side and accommodates the recessed of described drive magnet Mouthful, it is adhesively fixed by glue between described drive magnet and recess inwall;The described pump phyllopodium plate end face near dividing plate side On form the shrinkage pool accommodating described driven magnet, between driven magnet with shrinkage pool inwall by glue bonding.
Compared with prior art, the invention has the beneficial effects as follows: one end of this centrifugal water pump is piston pump, the other end is Centrifugal pump, first piston pump works when water pump of the present invention just starts, by water in connection tube pump to centrifugal pump, then centrifugal pump Work on, so make centrifugal pump also be able to start smoothly work when higher than water surface elevation.Further, the piston of piston pump Upper connection permanent magnet, the electric magnet that cylinder iron core and electromagnet coil collectively form drives permanent magnet by the conversion of magnetic direction Move back and forth, thus drive reciprocating motion of the pistons.After centrifugal pump starts, cylinder iron core together rotates with inner rotor magnets, circle Column iron core plays the effect of balancing weight, and the motor running making inner rotor magnets and external stator winding constitute is the most steady;It addition, it is electric Magnet coil gets final product power-off after centrifugal pump starts, and permanent magnet attracts under magnetic field force effect mutually with cylinder iron core, 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 sequentially pass through piston pump, go out Water one-way valve, connecting tube and water supply connector.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the decomposition texture schematic diagram of the present invention.
Fig. 3 is the structural representation of rotor assembly.
Fig. 4 is the decomposition texture schematic diagram of centrifugal pump part.
81, pump case;811, external stator winding;812, electromagnet coil;813, piston pump case portion;814, rotor field spider;82、 Piston pump cover;821, water feeding one-way valve;822, water one-way valve is gone out;83, connecting tube;84, centrifugal pump;840, centrifugal pump shell;8401、 Dividing plate;8402, newel;841, water supply connector;842, water out adapter;843, centrifugal pump cover;844, centrifugal pump leaf;8441, pump Phyllopodium plate;8442, blade;8443, driven magnet;8444, centre bore;85, rotor assembly;851, inner rotor magnets;852, circle Column iron core;853, rotating disk;854, drive magnet;855, rotating shaft;86, piston;861, permanent magnet.
Detailed description of the invention
Embodiment 1
According to shown in Fig. 1 to Fig. 4, a kind of centrifugal water pump described in the present embodiment, include pump case 81, described pump case outer wall is fixed One external stator winding 811 and an electromagnet coil 812 are installed;Two rotor field spiders it are installed with in described pump case 814, two rotor field spiders are rotatably connected to a rotor assembly 85;Described rotor assembly includes and rotates even with rotor field spider The rotating shaft 855 connect, the inner rotor magnets 851 being fixedly connected in rotating shaft and cylinder iron core 852, and be fixedly connected on rotating shaft and lean on The rotating disk 853 of nearly end, inner rotor magnets one end;Described inner rotor magnets is corresponding with external stator winding position, inner rotor magnets A motor is collectively formed with external stator winding;Described cylinder iron core is corresponding with the position of electromagnet coil, cylinder iron core with Electromagnet coil collectively forms an electric magnet;Described inner rotor magnets is between two described rotor field spiders;Described rotating disk On be installed with 2-6 the drive magnet 854 with circumference array distribution;
Described pump case forms a piston pump case portion 813 near one end of electromagnet coil, slides in described piston pump case portion Being provided with a piston 86, piston is fixedly connected with a permanent magnet 861, the magnetic within permanent magnet near one end of cylinder iron core Field direction is axially in parallel with piston;It is sealedly connected with a piston pump cover 82 in described piston pump case portion, piston pump lid connects Have a water feeding one-way valve 821 and one go out water one-way valve 822;Described piston moves to during near cylinder iron core, permanent magnet And leave the gap of 0.5-1mm between cylinder iron core.
The described pump case other end connects a centrifugal pump 84, and described centrifugal pump includes and fixes be connected centrifugal with pump case Pump case 840, forms dividing plate 8401 in centrifugal pump shell, dividing plate intermediary form has newel 8402, newel is rotatably connected to One centrifugal pump leaf 844;Described centrifugal pump leaf includes pump phyllopodium plate 8441, one-body molded at pump phyllopodium plate away from dividing plate side 3-6 on end face the blade 8442 being distributed with circumference array, and it is fixedly mounted on pump phyllopodium plate identical with drive magnet The driven magnet 8443 of quantity;Described pump phyllopodium plate intermediary form has and coordinates the centre bore 8444 being rotationally connected with newel, respectively It is not connected with between individual described blade;The sidewall of described centrifugal pump shell forms water out adapter 842, and described centrifugal pump shell is away from driving One end of moving magnet is sealedly connected with a centrifugal pump cover, and the centre of described centrifugal pump cover is connected with a water supply connector 841, described water supply connector is connected with going out water one-way valve by connecting tube 83.
Described drive magnet and driven magnet are permanent magnet;Described inner rotor magnets is permanent magnet.Described driving magnetic Ferrum is identical with the magnetic direction of driven magnet, thus attracts each other, when drive magnet rotates with rotating disk, and driven magnet and centrifugal Pump leaf also concomitant rotation.
Described rotating disk forms the recess accommodating described drive magnet on the end face away from inner rotor magnets side, described in drive It is adhesively fixed by glue between moving magnet and recess inwall;Described pump phyllopodium plate forms appearance on the end face of dividing plate side Receive the shrinkage pool of described driven magnet, bonding by glue between driven magnet with shrinkage pool inwall.
The operation principle of this centrifugal water pump is such that described electromagnet coil and external stator winding is electric with control respectively Road plate electrical connection, when centrifugal water pump is started working, control circuit plate is to the alternation electricity that electromagnet coil incoming frequency is 2-5Hz The electric magnet that stream, electromagnet coil and cylinder iron core are constituted produces the magnetic field of alternation, circulates between such electric magnet and permanent magnet Real estate magnetisation field gravitation and repulsion, so that piston moves reciprocatingly.Draw water after full centrifugal pump at piston pump at the latest, control The external stator winding of circuit board processed is powered and is made inner rotor magnets rotate, thus drives centrifugal pump leaf to rotate.
In the present invention, by increase a piston pump connected with centrifugal pump, make centrifugal pump when higher than water surface elevation also Work can be started smoothly.Further, drive the cylinder iron core of electric magnet of piston pump work also simultaneously as internal rotor magnetic The counterweight of ferrum, makes operating steadily of centrifugal pump part, after tested, compares the situation that inner rotor magnets is separated with cylinder iron core, Efficiency improves more than 5%.
Embodiment 2
The present embodiment is with the difference of embodiment 1, and described electromagnet coil works on after centrifugal pump is started working, defeated Go out the 30%-60% that power setting is centrifugal pump.So water from water out adapter injection is the state of pressure oscillation.This kind of centrifugal water Pump is applicable on the physical therapy electrical equipment of foot-bathing bucket one class, and the water of pressure oscillation can play the effect of massage.

Claims (1)

1. a centrifugal water pump, includes pump case, and described pump case outer wall is installed with an external stator winding and an electromagnetism Iron coil;It is installed with two rotor field spiders in described pump case, two rotor field spiders are rotatably connected to a rotor assembly; Described rotor assembly includes the rotating shaft being rotationally connected with rotor field spider, the inner rotor magnets being fixedly connected in rotating shaft and cylinder Iron core, and it is fixedly connected on the rotating shaft rotating disk near end, inner rotor magnets one end;Described inner rotor magnets and external stator around Group position is corresponding, and inner rotor magnets and external stator winding collectively form a motor;Described cylinder iron core and electromagnet coil Position corresponding, cylinder iron core and electromagnet coil collectively form an electric magnet;Described inner rotor magnets is positioned at two institutes State between rotor field spider;2-6 the drive magnet being distributed with circumference array it is installed with on described rotating disk;
Described pump case forms a piston pump case portion near one end of electromagnet coil, is slidably installed in described piston pump case portion Having a piston, piston is fixedly connected with a permanent magnet near one end of cylinder iron core, the magnetic direction within permanent magnet with Piston is axially in parallel;Being sealedly connected with a piston pump cover in described piston pump case portion, piston pump lid connects a water inlet Check valve and one go out water one-way valve;Described piston moves to during near cylinder iron core, stays between permanent magnet and cylinder iron core There is the gap of 0.5-1mm;
The described pump case other end connects a centrifugal pump, and described centrifugal pump includes fixes the centrifugal pump shell being connected with pump case, Forming dividing plate in centrifugal pump shell, dividing plate intermediary form has newel, and newel is rotatably connected to a centrifugal pump leaf;Described Centrifugal pump leaf includes pump phyllopodium plate, one-body molded individual with circumference array away from the 3-6 on dividing plate one side end face at pump phyllopodium plate The blade of distribution, and it is fixedly mounted on pump phyllopodium plate the driven magnet with drive magnet equal number;Described pump phyllopodium plate Intermediary form has and coordinates the centre bore being rotationally connected with newel, is not connected with between each described blade;Described centrifugal pump shell Sidewall form water out adapter, described centrifugal pump shell is sealedly connected with a centrifugal pump cover, institute away from one end of drive magnet The centre stating centrifugal pump cover is connected with a water supply connector, and described water supply connector is connected with going out water one-way valve by connecting tube Connect;
Described drive magnet and driven magnet are permanent magnet;Described inner rotor magnets is permanent magnet;
Described drive magnet is identical with the magnetic direction of driven magnet, thus attracts each other, when drive magnet rotates with rotating disk, Driven magnet and centrifugal pump leaf also concomitant rotation;
Described rotating disk forms the recess accommodating described drive magnet, described driving magnetic on the end face away from inner rotor magnets side It is adhesively fixed by glue between ferrum and recess inwall;Described pump phyllopodium plate forms receiving institute on the end face of dividing plate side State the shrinkage pool of driven magnet, bonding by glue between driven magnet with shrinkage pool inwall;
Described electromagnet coil and external stator winding electrically connect with control circuit plate respectively, when centrifugal water pump is started working, and control Circuit board processed is the alternating current of 2-5Hz to electromagnet coil incoming frequency, the electromagnetism that electromagnet coil and cylinder iron core are constituted Ferrum produces the magnetic field of alternation, cyclically produces magnetic field gravitation and repulsion, so that piston does between such electric magnet and permanent magnet Move back and forth;
Drawing water after full centrifugal pump at piston pump at the latest, the external stator winding of control circuit plate is powered and is made inner rotor magnets turn Dynamic, thus drive centrifugal pump leaf to rotate;
Described electromagnet coil works on after centrifugal pump is started working, and output 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)

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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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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
CN110259696B (en) * 2019-08-03 2020-09-15 日照市永和泵业有限公司 Centrifugal water 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
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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JPH0592030A (en) * 1991-10-01 1993-04-16 Takuya Sodeyama Foot bathing device
US20110211982A1 (en) * 2010-03-01 2011-09-01 Timothy Marks Liquid pump assembly
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
CN203042036U (en) * 2013-01-23 2013-07-10 林彬 Foot tub with medicine bin
CN204061211U (en) * 2014-08-09 2014-12-31 佛山市顺德区美承健康科技有限公司 A kind of Pediluvium apparatus water pump

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KR101395824B1 (en) * 2011-12-30 2014-05-27 (주)버블랜드 Foot bath with Microbubbles generating and circulating means
DE102013011209B3 (en) * 2013-07-04 2014-01-23 Geräte- und Pumpenbau GmbH Dr. Eugen Schmidt Controllable coolant pump for internal combustion engine mounted in e.g. truck, has piston rod that is connected with permanent magnet, and linearly moved with respect to solenoid coil
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Publication number Priority date Publication date Assignee Title
JPH0592030A (en) * 1991-10-01 1993-04-16 Takuya Sodeyama Foot bathing device
US20110211982A1 (en) * 2010-03-01 2011-09-01 Timothy Marks Liquid pump assembly
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
CN203042036U (en) * 2013-01-23 2013-07-10 林彬 Foot tub with medicine bin
CN204061211U (en) * 2014-08-09 2014-12-31 佛山市顺德区美承健康科技有限公司 A kind of Pediluvium apparatus water pump

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CN105508258A (en) 2016-04-20
CN106122038B (en) 2018-06-19
CN105508258B (en) 2017-11-03

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Inventor after: Jiang Hongzhi

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