CN105065290B - Brushless direct-current magnetic water pump - Google Patents

Brushless direct-current magnetic water pump Download PDF

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Publication number
CN105065290B
CN105065290B CN201510447075.9A CN201510447075A CN105065290B CN 105065290 B CN105065290 B CN 105065290B CN 201510447075 A CN201510447075 A CN 201510447075A CN 105065290 B CN105065290 B CN 105065290B
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pump
motor
control panel
radiating
brushless direct
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CN105065290A (en
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门少国
伊奇才
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HEBEI DEEP SEA ELECTRICAL APPLIANCES CO Ltd
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HEBEI DEEP SEA ELECTRICAL APPLIANCES CO Ltd
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Abstract

The invention provides a kind of brushless direct-current magnetic water pump, including brshless DC motor, pump seat, pump cover and impeller, brshless DC motor includes hollow motor casing, the electronic commutation control panel in motor casing and the end cap for being sealedly connected on motor casing end, electronic commutation control panel is arranged on the inner face of end cap, and the outer face of end cap is provided with the radiating hydroecium for being used for cooling down electronic commutation control panel;One end of pump seat and the outer face of end cap are tightly connected, and the inlet opening connected respectively with radiating hydroecium and apopore are offered on pump seat, and inlet opening, radiating hydroecium and apopore constitute fluid flow passageway;The other end of pump cover and pump seat is tightly connected, and has inner chamber in pump cover, inner chamber is connected with the inlet opening of pump seat and apopore.The present invention is taken out of the heat forced circulation that electronic commutation control panel is produced by end face water-cooling pattern, to the effective quick heat radiating of control panel, can be improved the heat dispersion of motor, be extended the service life of motor.

Description

Brushless direct-current magnetic water pump
Technical field
It is especially a kind of that the control panel of DC brushless motor is dissipated by end face water-cooling pattern the present invention relates to water pump field The brushless direct-current magnetic water pump of heat.
Background technology
Brushless direct-current magnetic water pump is provided with brshless DC motor, and wheel rotation is driven by brshless DC motor, brushless The electronic element radiating of the control panel of direct current generator directly affects the performance of motor.The first prior art uses pressure wind Cold mode electron commutation control plate radiating, i.e. control panel is arranged on motor casing bottom, motor casing is provided with air inlet and air-out Mouthful, rotor part installs radiator fan, after motor is operated, and radiator fan will discharge wind from air inlet suction, air outlet Realize air cooling effect.The shortcoming of such a structure is that direct and motor internal the rotor part of the air inlet of motor casing is communicated, dust-proof It is poor with waterproof effect, above it is subject to certain restrictions in application, and greatly reduce the service life of motor in use.
Second of prior art is also that, using the radiating of air cooling way electron commutation control plate, control panel is arranged on motor casing Bottom, but motor casing is not provided with what is be entirely isolated inside air inlet and air outlet, motor casing with outside, therefore dustproof and waterproof Rank is high.Rotor part installs radiator fan, after motor operate, and radiator fan can be directly by wind to control panel, equilibrium Localized hyperthermia on control panel, the heat of motor internal is shed naturally by motor casing.Although the dustproof and waterproof performance of this structure Preferably, but can only Balance route plate heat, radiating or to lean on motor casing natural heat dissipation, radiating effect is not obvious, especially when When motor operating ambient temperature is higher (such as more than 100 DEG C), the control panel in motor can not be radiated at all, motor is using ring Border temperature is higher and radiating effect difference in the case of operate, control panel service life reduction can be caused, thus can also reduce motor or even The service life of water pump.
The content of the invention
It is an object of the invention to provide a kind of brushless direct-current magnetic water pump, it uses control of the end face water-cooling pattern to motor Plate radiates, perfect heat-dissipating and water proof and dust proof.
To reach above-mentioned purpose, the present invention proposes a kind of brushless direct-current magnetic water pump, including:Brshless DC motor, including Hollow motor casing, the electronic commutation control panel in the motor casing and the end cap for being connected to the motor casing end, The electronic commutation control panel is arranged on the inner face of the end cap, and the outer face of the end cap is provided with described for cooling down The radiating hydroecium of electronic commutation control panel;Pump seat, its one end is connected with the outer face of the end cap, is offered on the pump seat point The inlet opening not connected with the radiating hydroecium and apopore, the inlet opening, the radiating hydroecium and the apopore are constituted Fluid flow passageway;Pump cover, is connected with the other end of the pump seat, has inner chamber, the inner chamber and the pump in the pump cover The inlet opening of seat is connected with apopore;Impeller, is fixed in the pump seat, and stretches into the inner chamber of the pump cover.
Brushless direct-current magnetic water pump as described above, wherein, the inner chamber of the pump cover is spiral case inner chamber, the inlet opening pair The first area of the accurate spiral case inner chamber, the apopore is directed at the second area of the spiral case inner chamber, the first area Pressure is higher than the pressure of the second area.
Brushless direct-current magnetic water pump as described above, wherein, the volume of the first area is less than the second area Volume.
Brushless direct-current magnetic water pump as described above, wherein, the first area, the inlet opening, the radiating hydroecium, The apopore and the second area, which are constituted, has pressure difference and closed forced circulation fluid flow passageway.
Brushless direct-current magnetic water pump as described above, wherein, the electronic commutation control panel and the institute Jing Guo insulation processing The inner face for stating end cap is in contact and fitted.
Brushless direct-current magnetic water pump as described above, wherein, the radiating hydroecium is annular groove, the radiating hydroecium Bottom wall shape and the shape of the electronic component on the electronic commutation control panel match.
Brushless direct-current magnetic water pump as described above, wherein, the radiating hydroecium is enclosed to set by internal ring wall and external annulus to be formed, The pump seat is tightly connected with the internal ring wall by inner seal ring, and the pump seat is sealed with the external annulus by exterior seal ring Connection.
Brushless direct-current magnetic water pump as described above, wherein, the brshless DC motor also includes being located at the motor casing It is interior stator assembly and rotor assembly, the electronic commutation control panel be located between the stator module and the end cap.
Brushless direct-current magnetic water pump as described above, wherein, the brshless DC motor also includes and the rotor assembly The motor shaft of connection, one end of the motor shaft is connected with the rotor assembly, and the other end of the motor shaft passes through the electricity Sub- commutation control plate is simultaneously extended to outside the end cap, and the other end of the motor shaft is connected with can be described by magnetic drives driving The driving wheel of wheel rotation.
Brushless direct-current magnetic water pump as described above, wherein, the impeller is fixed on the rotation magnetic force ring in the pump seat On.
The characteristics of brushless direct-current magnetic water pump of the present invention and advantage are:
1st, brushless direct-current magnetic water pump of the invention, the inner face of electronic commutation control panel and electric motor end cap is closely pasted Close, and radiating hydroecium is provided with the outer face of end cap, by setting inlet opening, apopore on pump seat, make fluid by intaking Hole enters radiating hydroecium, electronic commutation control panel is cooled, the heat that fluid is produced with control panel again is by apopore stream Go out, constantly there is fluid to flow into, flow out in water of radiation room, fluid takes away heat when flowing out, realize the end face to motor control panel Water-cooling, so as to serve good protective effect to the core component of motor, reduces motor temperature rise, improves the longevity of motor Life and use environment temperature.
2nd, brushless direct-current magnetic water pump of the invention, by the research of Fluid Mechanics, according to circulatory mediator principle of differential pressure, Pump seat is designed into and out of water hole, inlet opening is aligned to the higher-pressure region of pump cover, apopore is directed at the low-pressure area of pump cover, makes fluid strong System circulation, circulation is rationally effective, can reach expected radiating effect, this end face water cooling forced circulation structure can effectively dissipate Heat, can guarantee that sealing again.
Brief description of the drawings
The following drawings is only intended to, in doing schematic illustration and explanation to the present invention, not delimit the scope of the invention.Wherein:
Fig. 1 is the sectional view of the brushless direct-current magnetic water pump of the present invention;
The flow path schematic diagram of fluid when Fig. 2 is the brushless direct-current magnetic water pump work of the present invention;
Fig. 3 is the side view that brushless direct-current magnetic water pump in Fig. 1 removes pump cover.
Fig. 4 is the decomposing schematic representation of the brushless direct-current magnetic water pump of the present invention;
Fig. 5 is the schematic diagram of pump cover in the present invention;
Fig. 6 is the schematic diagram of pump seat in the present invention;
Fig. 7 is the schematic diagram of end cap in the present invention.
Main element label declaration:
1 brshless DC motor
The electronic commutation control panel of 11 motor casing 12
13 end caps
The 131 radiating outlet cushion rubbers of hydroecium 132
The rotor assembly of 14 stator module 15
16 motor shafts
The inlet opening of 2 pump seat 21
The storage tank of 22 apopore 23
The exterior seal ring of 24 inner seal ring 25
The pump entrance of 3 pump cover 31
The first area of 32 exit of pump 33
The pump cover sealing ring of 34 second area 35
4 impellers
The magnetic sheet of 5 driving wheel 51
Embodiment
In order to which technical characteristic, purpose and effect to the present invention are more clearly understood from, now control illustrates this hair Bright embodiment.
As shown in Figure 1, Figure 6, Figure 7, the present invention provides a kind of brushless direct-current magnetic water pump, the brushless direct-current magnetic water pump bag Include brshless DC motor 1, pump seat 2, pump cover 3 and impeller 4.Brshless DC motor 1 includes hollow motor casing 11, located at motor casing Electronic commutation control panel 12 in 11 and the end cap 13 (or drive end bearing bracket) for being sealedly connected on the end of motor casing 11, end cap 13 with Motor casing 11 is for example bolted and sealed by sealing ring, and electronic commutation control panel 12 is arranged on the inner face of end cap 13 On (inner face is towards the end face inside motor casing 11), offered on the outer face of end cap 13 for cooling down electronic commutation control The radiating hydroecium 131 of making sheet 12;One end of pump seat 2 and the outer face of end cap 13 are tightly connected, for example, be bolted and lead to Cross and the inlet opening 21 connected respectively with radiating hydroecium 131 and apopore 22 are offered on sealing ring sealing, pump seat 2, inlet opening 21, Radiating hydroecium 131 and apopore 22 constitute fluid flow passageway, i.e. fluid can enter radiating hydroecium 131 via inlet opening 21, then Flowed out via apopore 22, so that by way of end face water cooling, the heat that electronic commutation control panel 12 is produced is from water of radiation Room is taken away, and is reached for the effect that electronic commutation control panel quickly effectively radiates, and improves the heat dispersion of motor;Pump cover 3 and pump seat 2 The other end be tightly connected, there is inner chamber, inner chamber is connected with the inlet opening 21 of pump seat 2 and apopore 22 in pump cover 3;Impeller 4 is consolidated It is scheduled on pump seat 2, and stretches into the inner chamber of pump cover 3, impeller 4 is used for trandfer fluid.
The brushless direct-current magnetic water pump of the present invention is controlled the electronic commutation of brshless DC motor using end face water-cooling pattern The heat that plate is produced is taken out of, to the effective quick heat radiating of electronic commutation control panel, can improve the heat dispersion of motor, increases brushless straight The environment temperature in use scope of magnetic water pump is flowed, can long continuous operation at higher ambient temperatures;In addition, motor Degree of protection is high, and degree of protection reaches IP67 grades, can greatly increase the service life of motor, and service life can reach 40,000 hours.
Wherein, the pump entrance 31 flowed into for fluid and the exit of pump 32 flowed out for fluid are offered on pump cover 3, so as to Realize continuous cooling water circulation.It is preferred that the center line of the center line of pump entrance 31 and impeller 4 is on same straight line, The center line of exit of pump 32 and the central axis of impeller 4, therefore outside fluid enters in pump cover by pump entrance front Chamber, rotation is driven by impeller 4, is finally raised out by the impeller 4 rotated outside pump.
As shown in figure 5, in a preferred embodiment, the inner chamber of pump cover 3 is that spiral case inner chamber (or is in spiral shape Chamber), the first area 33 of inlet opening 21 (vertically) alignment spiral case inner chamber, the of apopore 22 (vertically) alignment spiral case inner chamber Two regions 34, the pressure of first area 33 is higher than the pressure of second area 34, and the Fluid pressure of first area 33 is higher than in other words The Fluid pressure of second area 34, first area is higher-pressure region, and second area is low-pressure area, it may also be said to which inlet opening 21 is opened in The larger position of pressure on pump seat 2, apopore 22 is opened in the smaller position of pressure on pump seat 2.Due to the area of first area 33 and second There is pressure difference between domain 34, according to principle of differential pressure, fluid can smoothly flow into inlet opening 21 by first area 33, flow through radiating hydroecium After 131, then second area 34 smoothly flowed out to by apopore 22, so as to realize the forced circulation of fluid, electric motor end cap is forced Cooling, and the heat forced circulation that electronic commutation control panel is produced is taken out of.
Wherein, the volume of first area 33 is less than the volume of second area 34, in other words first area 33 in spiral case inner chamber Cross-sectional area be less than second area 34 cross-sectional area so that between first area and second area have pressure difference.
In addition, as shown in figure 3, the shape of cross section of inlet opening 21 and apopore 22 is for example curved, to adapt to pump seat Overall structure, reduces the flow resistance of fluid, and is easy to make.
Specifically, operationally, the direction of rotation of impeller 4 is clockwise direction to water pump, will be just by outside through pump entrance 31 Water into the inner chamber of pump cover 3 is referred to as low pressure water, and low pressure water front enters in the spiral case inner chamber of the formation of pump cover 3, and passes through impeller 4 Effect obtains kinetic energy, because the spiral case inner chamber of pump cover 3 is the shape of volume (or cross-sectional area) change, when low pressure water obtains kinetic energy Become after water under high pressure, in spiral case inner chamber during volume (or cross-sectional area) smaller position (i.e. first area 33), flowing velocity Relatively slow, pressure cannot discharge, and maintain certain high pressure conditions, be directed at this position (i.e. first area 33) and open up inlet opening 21 most To be suitable, in order to which external normal-temperature water smoothly enters radiating hydroecium 131;When water under high pressure is by the rotating band of impeller 4 to exit of pump 32 When nearby, volume (or cross-sectional area) larger position (i.e. second area 34) in spiral case inner chamber, water under high pressure is by abrupt release Pressure, sprays exit of pump 32, in hydrodynamics, pressure and the speed of water are inversely proportional, and space now is several in kinetic energy form What position, because the pressure close to exit of pump 32, water reduces, speed is improved, and is directed at this position (i.e. second area 34) and is opened up Apopore 22 is the most suitable, in order to which the water radiated in hydroecium 131 smoothly flows out through apopore 22.
Generally, during pump working, water rotates at a high speed acquisition kinetic energy in the spiral case inner chamber of pump cover 3 by impeller 4, when When the cavity volume volume (or cross-sectional area) of spiral case inner chamber changes, different pressure spans are formd, in different pressure areas Domain opens up an other water stream channel respectively, refer here to electric motor end cap 13 radiating hydroecium 131 into and out of water hole, water inlet The higher-pressure region of the connection spiral case inner chamber of hole 21, is easy to, into water, the low-pressure area of the connection spiral case of apopore 22 inner chamber, be easy to water outlet, due to The effect of pressure differential, makes the fluid forced circulation of radiating hydroecium 131 radiate, i.e. fluid enters the water inlet of pump seat 2 during pump working Hole 21 reaches the radiating hydroecium 131 of end cap 13, then reaches by radiating hydroecium 131 apopore 22 of pump seat 2, the leaf finally rotated Wheel 4 is raised out outside pump, reaches the purpose radiated by end face water cooling forced circulation to electronic commutation control panel 12.
As shown in Fig. 2 arrow points to the flow path of as fluid, fluid enters pump by outside through the front of pump entrance 31 Behind the inner chamber of lid 3, rotation is driven by impeller 4, the impeller that a part of fluid is directly rotated in rotary course is via exit of pump 32 raise out outside pump, for example circulate radiating after outflow in the cycle cooling system of automobile, and another part fluid is rotating extremely Enter inlet opening 21 during first area 33, second area 34 is flowed out to by apopore 22 after flowing through radiating hydroecium 131, in such as Fig. 2 Dotted arrow shown in, then raised out via exit of pump 32 outside pump by the impeller rotated, in the fluid with heat from water of radiation After room 131 is flowed out, and constantly there is normal temperature fluid to add in radiating hydroecium 131.
In a feasible technical scheme, the inner face of electronic commutation control panel 12 and the end cap 13 Jing Guo insulation processing Fit and (be brought into close contact), in order to which most of heat that the heat-generating electronic elements on electronic commutation control panel 12 are produced is conducted to End cap 13, then taken away heat by the fluid for flowing through radiating hydroecium 131, enable motor normal work at higher ambient temperatures Make.Through experiment, the temperature rise of the electronic commutation control panel of traditional ventilated machine is at 40 DEG C or so, and the present invention is using end face water cooling side Formula, the temperature rise of electronic commutation control panel is only at 20 DEG C or so, and the temperature rise of effective controlled motor core component, motor can connect for a long time Continuous to be operated in 120 DEG C of environment temperature, in particular brushless heavy-duty motor manufacture provides a kind of new mentality of designing.
Specifically, on electronic commutation control panel 12 multiple heating power pipes (being, for example, 7) use screw with end cap 13 Fastening, is taken away the heat that heating power pipe is produced by end cap, while a part of heat that electronic commutation control panel is produced is also It can be conducted by motor casing 11 and motor flange.
Preferably, radiating hydroecium 131 is annular groove, the bottom wall shape and electronic commutation control panel 12 of the hydroecium 131 that radiates On the shape of electronic component match, i.e. the uniform depth of annular groove or uneven, to adapt on electronic commutation control panel The different height of different elements, the bottom surface of annular groove is not a plane in other words, but as the electronics being in contact with it is changed The shape height of electronic component rises and falls and changed on to control panel 12, is so conducive to reducing by heat dissipation element and radiating hydroecium The distance between fluid (cooling water) in 131, makes the wall thickness of the distance only end cap 13, and can increase heat dissipation element with The contact area of fluid, reaches the purpose of quick heat radiating in radiating hydroecium.
Wherein, radiating hydroecium 131 is enclosed to set by internal ring wall and external annulus forms, and pump seat 2 passes through inner seal ring 24 with internal ring wall It is tightly connected, pump seat 2 is tightly connected with external annulus by exterior seal ring 25, inner seal ring 24 is located at inlet opening 21 and apopore 22 Inner side, exterior seal ring 25 is located at the outside of inlet opening 21 and apopore 22, so that by setting inner seal ring 24 and external seal Circle 25, radiating hydroecium 131 is tightly connected with inlet opening 21 and radiating hydroecium 131 with apopore 22, standstill seal is constituted and leads to Road, it is ensured that interior leakage or leakage will not occur for fluid.Therefore, first area, inlet opening, radiating hydroecium, apopore and second area Constituting has pressure difference and closed forced circulation fluid flow passageway (forced water circulation passage), realizes the pressure to electric motor end cap Cooling.That is, pump seat 2, offer the passage for flowing into, flowing out and leading to radiating hydroecium 131 for fluid on pump cover 3, first area, Second area, inlet opening and apopore constitute the passage for forcing fluid circulation.
As Figure 1 and Figure 4, in the present embodiment, brshless DC motor 1 also include stator module 14, rotor assembly 15 with And the motor shaft 16 being connected with rotor assembly, stator module 14 and rotor assembly 15 are in motor casing 11, electronic commutation control Plate 12 is located between stator module 14 (or rotor assembly 15) and end cap 13, and rotor assembly 15 is set in stator module 14, fixed Sub-component 14 produces rotating excitation field after being powered, and the rotation of rotor assembly 15 is produced power, one end of motor shaft 16 and rotor assembly 15 connections, the other end of motor shaft 16 passes through electronic commutation control panel 12 and extended to outside end cap 13, the other end of motor shaft 16 The driving wheel 5 that by magnetic drives impeller 4 can be driven to rotate is connected with, the centre bore of driving wheel 5 is matched somebody with somebody with motor shaft 16 shares top Silk is fastenedly connected, therefore imparts power to driving wheel 5 by motor shaft 16 during the rotation of rotor assembly 15, and driving wheel 5 passes through again Magnetic non-contact power transmission mode imparts power to impeller 4, and impeller 4 is rotated.Specifically, impeller 4 is fixed on pump On rotation magnetic force ring (or being " magnet ring ") in seat 2, driving wheel 5 is imparted power to by the magnetic non-contact kind of drive Rotation magnetic force ring, wheel rotation is moved by rotation magnetic force annulus.
Wherein, the middle part of pump seat 2 is provided with the storage tank 23 for being used for installing rotation magnetic force ring and impeller 4, storage tank 23 be located at into Between water hole 21 and apopore 22.Specifically, the opening of storage tank 23 is towards pump cover 3, and driving wheel 5 is set in outside storage tank 23, There is magnetic sheet 51 on the annular inner wall face of driving wheel 5, impeller assembly is provided with storage tank 23, impeller assembly include impeller 4 and Be oppositely arranged with magnetic sheet 51 and can attracted piece magneticaction and impeller 4 rotate rotation magnetic force ring.For stator module 14th, the concrete structure and power transmission mode of rotor assembly 15, driving wheel 5 and impeller assembly can be found in prior art, This is repeated no more.
On the whole, brushless direct-current magnetic water pump of the invention compared with prior art, has the characteristics that and advantage:
1. the present invention contacts radiator structure using electronic commutation control circuit board in motor with electric motor end cap, tradition is different from Non- end cover cooling structure, good heat dissipation effect, efficiency high;
2. electric motor end cap is provided with radiating hydroecium in the present invention, structure is novel, and conventional motors structure is not set on end cap Put radiating hydroecium;
3. pump seat and pump cover offer the water-in and water-out passage of electric motor end cap radiating hydroecium in the present invention, with end cap water of radiation Room constitutes a closed forced water circulation system, by end face water-cooling, rather than by the natural heat conduction of water, so that right Drive and control of electric machine plate on the inside of electric motor end cap forces cooling, drastically increases the radiating effect of control panel in motor, expands The temperature in use scope of water pump.
Schematical embodiment of the invention is the foregoing is only, the scope of the present invention is not limited to.It is any Those skilled in the art, the equivalent variations made on the premise of the design of the present invention and principle is not departed from and modification, all should Belong to the scope of protection of the invention.And it should be noted that the present invention each part be not limited in above-mentioned entirety should With each technical characteristic described in specification of the invention can select one individually to use or select multinomial according to actual needs Combine and use, therefore, the present invention covers other combinations relevant with this case inventive point and concrete application in the nature of things.

Claims (10)

1. a kind of brushless direct-current magnetic water pump, it is characterised in that the brushless direct-current magnetic water pump includes:
Brshless DC motor, including hollow motor casing, the electronic commutation control panel in the motor casing, be connected to it is described The end cap of motor casing end and in the motor casing stator assembly and rotor assembly, the electronic commutation control panel On the inner face of the end cap, the outer face of the end cap, which is provided with, to be used to cool down dissipating for the electronic commutation control panel Hot hydroecium;
Pump seat, its one end is connected with the outer face of the end cap, is offered and is connected respectively with the radiating hydroecium on the pump seat Inlet opening and apopore, the inlet opening, the radiating hydroecium and the apopore constitute fluid flow passageway, the fluid Circulation passage is located at outside the motor casing;
Pump cover, is connected with the other end of the pump seat, has inner chamber, the inner chamber and the inlet opening of the pump seat in the pump cover Connected with apopore;
Impeller, is fixed in the pump seat, and stretches into the inner chamber of the pump cover.
2. brushless direct-current magnetic water pump as claimed in claim 1, it is characterised in that the inner chamber of the pump cover is spiral case inner chamber, The inlet opening is directed at the first area of the spiral case inner chamber, and the apopore is directed at the second area of the spiral case inner chamber, institute The pressure for stating first area is higher than the pressure of the second area.
3. brushless direct-current magnetic water pump as claimed in claim 2, it is characterised in that the volume of the first area is less than described The volume of second area.
4. brushless direct-current magnetic water pump as claimed in claim 2, it is characterised in that the first area, the inlet opening, institute Stating radiating hydroecium, the apopore and the second area and constituting has pressure difference and closed forced circulation fluid flow passageway.
5. brushless direct-current magnetic water pump as claimed in claim 1, it is characterised in that the electronic commutation control panel is exhausted with passing through The inner face of the end cap of edge processing is in contact and fitted.
6. brushless direct-current magnetic water pump as claimed in claim 1, it is characterised in that the radiating hydroecium is annular groove, institute The bottom wall shape and the shape of the electronic component on the electronic commutation control panel for stating radiating hydroecium match.
7. brushless direct-current magnetic water pump as claimed in claim 6, it is characterised in that the radiating hydroecium is by internal ring wall and outer shroud Wall, which encloses, to be set to be formed, and the pump seat is tightly connected with the internal ring wall by inner seal ring, and the pump seat passes through with the external annulus Exterior seal ring is tightly connected.
8. brushless direct-current magnetic water pump as claimed in claim 1, it is characterised in that the electronic commutation control panel is located at described Between stator module and the end cap.
9. brushless direct-current magnetic water pump as claimed in claim 8, it is characterised in that the brshless DC motor also includes and institute The motor shaft of rotor assembly connection is stated, one end of the motor shaft is connected with the rotor assembly, the other end of the motor shaft Through the electronic commutation control panel and extend to outside the end cap, the other end of the motor shaft is connected with and can passed by magnetic force The driving wheel of the dynamic driving wheel rotation.
10. the brushless direct-current magnetic water pump as described in any one of claim 1 to 9, it is characterised in that the impeller is fixed on institute State on the rotation magnetic force ring in pump seat.
CN201510447075.9A 2015-07-27 2015-07-27 Brushless direct-current magnetic water pump Active CN105065290B (en)

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CN105465002A (en) * 2015-12-22 2016-04-06 郑州宇通客车股份有限公司 Electronic water pump
CN107366624B (en) * 2016-05-11 2020-09-01 刘刚 Electronic water pump
CN106151058A (en) * 2016-08-29 2016-11-23 东莞市深鹏电子有限公司 A kind of magnetic drives self-priming brushless direct-current water pump
CN107654388A (en) * 2017-09-29 2018-02-02 广东威灵电机制造有限公司 Electronic water pump
CN109281841A (en) * 2018-08-30 2019-01-29 王彤宇 A kind of mute water warming blanket, pad
CN110805561A (en) * 2019-10-28 2020-02-18 河北深海电器有限公司 Pump and hydrogen energy battery automobile

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