CN105065290A - Brushless direct-current magnetic water pump - Google Patents
Brushless direct-current magnetic water pump Download PDFInfo
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- CN105065290A CN105065290A CN201510447075.9A CN201510447075A CN105065290A CN 105065290 A CN105065290 A CN 105065290A CN 201510447075 A CN201510447075 A CN 201510447075A CN 105065290 A CN105065290 A CN 105065290A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 104
- 239000012530 fluid Substances 0.000 claims abstract description 37
- 238000001816 cooling Methods 0.000 claims abstract description 19
- 230000005855 radiation Effects 0.000 claims description 51
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 3
- 230000013011 mating Effects 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 239000000498 cooling water Substances 0.000 abstract description 5
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 11
- 230000005540 biological transmission Effects 0.000 description 5
- 239000000306 component Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000017525 heat dissipation Effects 0.000 description 4
- 239000008358 core component Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 206010020843 Hyperthermia Diseases 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 230000036031 hyperthermia Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
The invention provides a brushless direct-current magnetic water pump. The brushless direct-current magnetic water pump comprises a brushless direct-current motor, a pump seat, a pump cover and impellers. The brushless direct-current motor comprises a hollow motor shell, an electronic reversing control panel in the motor shell, and an end cover connected to one end of the motor shell in a sealed mode. The electronic reversing control panel is installed on the inner end face of the end cover, and a cooling water chamber for cooling the electronic reversing control panel is arranged on the outer end face of the end cover. One end of the pump seat is connected with the outer end face of the end cover in a sealed mode. The pump seat is provided with a water inflow hole and a water drainage hole which are communicated with the cooling water chamber respectively. The water inflow hole, the cooling water chamber and the water drainage hole form a fluid flow channel. The pump cover is connected with the other end of the pump seat in a sealed mode. An inner cavity is formed in the pump cover and communicated with the water inflow hole and the water drainage hole of the pump seat. Heat generated by the electronic reversing control panel is forcibly circulated and brought out in an end face water-cooling mode, the control panel can be cooled effectively and rapidly, the cooling performance of the motor is improved, and the service life of the motor is prolonged.
Description
Technical field
The present invention relates to water pump field, especially a kind of brushless direct-current magnetic water pump control panel of DC brushless motor dispelled the heat by end face water-cooling pattern.
Background technique
Brushless direct-current magnetic water pump is provided with brshless DC motor, is rotated by brshless DC motor drives impeller, and the electronic element radiating of the control panel of brshless DC motor directly affects the performance of motor.What the first prior art adopted is that forced air cooling mode is dispelled the heat to electronic commutation control panel, namely, control panel is arranged on bottom motor casing, motor casing is provided with intake grill and exhaust outlet, rotor part installs radiation fan, when after motor rotation, wind will suck from intake grill by radiation fan, exhaust outlet is discharged and realized air cooling effect.The shortcoming of this kind of structure is, the intake grill of motor casing rotor part that is direct and motor internal communicates, and dust and water protection weak effect, application is subject to certain restrictions, and in use greatly reduces the working life of motor.
The second prior art is also adopt air cooling way to the heat radiation of electronic commutation control panel, and control panel is arranged on bottom motor casing, but motor casing does not arrange intake grill and exhaust outlet, and motor casing is inner is completely isolated with outside, and therefore dustproof and waterproof rank is high.Rotor part installs radiation fan, when after motor rotation, radiation fan can directly by wind on control panel, the localized hyperthermia on Balance route plate, the heat of motor internal is shed naturally by motor casing.Although the dustproof and waterproof better performances of this structure, but can only the heat of Balance route plate, heat radiation still will lean on motor casing natural heat dissipation, radiating effect is not obvious, especially when machine operation ambient temperature is higher (as more than 100 DEG C), at all cannot to the control panel heat radiation in motor, motor operates when the higher and radiating effect difference of Environmental Conditions temperature, control panel service life reduction can be caused, thus also can reduce the working life of motor and even water pump.
Summary of the invention
The object of this invention is to provide a kind of brushless direct-current magnetic water pump, it adopts end face water-cooling pattern to dispel the heat to the control panel of motor, perfect heat-dissipating and water proof and dust proof.
For achieving the above object, the present invention proposes a kind of brushless direct-current magnetic water pump, comprise: brshless DC motor, comprise the motor casing of hollow, be located at the electronic commutation control panel in described motor casing and be connected to the end cap of described motor casing end, described electronic commutation control panel is arranged on the interior edge face of described end cap, and the exterior edge face of described end cap is provided with the heat radiation hydroecium for cooling described electronic commutation control panel; Pump seat, its one end is connected with the exterior edge face of described end cap, described pump seat offers the water inlet and osculum that are communicated with described heat radiation hydroecium respectively, and described water inlet, described heat radiation hydroecium and described osculum form fluid flow passageway; Pump cover, is connected with the other end of described pump seat, has inner chamber in described pump cover, and described inner chamber is communicated with osculum with the water inlet of described pump seat; Impeller, is fixed in described pump seat, and stretches in the inner chamber of described pump cover.
Brushless direct-current magnetic water pump as above, wherein, the inner chamber of described pump cover is spiral case inner chamber, and the first area of described spiral case inner chamber is aimed in described water inlet, described osculum aims at the second area of described spiral case inner chamber, and the pressure of described first area is higher than the pressure of described second area.
Brushless direct-current magnetic water pump as above, wherein, the volume of described first area is less than the volume of described second area.
Brushless direct-current magnetic water pump as above, wherein, described first area, described water inlet, described heat radiation hydroecium, described osculum and described second area formation have pressure reduction and airtight pump circulation fluid flow passageway.
Brushless direct-current magnetic water pump as above, wherein, described electronic commutation control panel contacts with the interior edge face of the described end cap through insulation processing and fits.
Brushless direct-current magnetic water pump as above, wherein, described heat radiation hydroecium is annular groove, the mating shapes of the electronic component on the diapire shape of described heat radiation hydroecium and described electronic commutation control panel.
Brushless direct-current magnetic water pump as above, wherein, described heat radiation hydroecium is enclosed by internal ring wall and external annulus and is formed, and described pump seat and described internal ring wall are tightly connected by inner seal ring, and described pump seat and described external annulus are tightly connected by exterior seal ring.
Brushless direct-current magnetic water pump as above, wherein, described brshless DC motor also comprises is located at stator module in described motor casing and rotor assembly, and described electronic commutation control panel is between described stator module and described end cap.
Brushless direct-current magnetic water pump as above, wherein, described brshless DC motor also comprises the motor shaft be connected with described rotor assembly, one end of described motor shaft is connected with described rotor assembly, the other end of described motor shaft passes described electronic commutation control panel and extends to outside described end cap, and the other end of described motor shaft is connected with the driving wheel driving described wheel rotation by magnetic drives.
Brushless direct-current magnetic water pump as above, wherein, described impeller is fixed on the rotation magnetic force ring in described pump seat.
Feature and the advantage of brushless direct-current magnetic water pump of the present invention are:
1, brushless direct-current magnetic water pump of the present invention, the interior edge face of electronic commutation control panel and electric motor end cap is fitted tightly, and be provided with heat radiation hydroecium in the exterior edge face of end cap, by arranging water inlet on pump seat, osculum, fluid is made to enter heat radiation hydroecium by water inlet, electronic commutation control panel is cooled, the heat that fluid produces with control panel is again flowed out by osculum, water of radiation indoor constantly have fluid to flow into, flow out, when fluid flows out, heat is taken away, realize the end face water-cooling to motor control panel, thus good protective action is served to the core component of motor, reduce electric machine temperature rise, improve life-span and the Environmental Conditions temperature of motor.
2, brushless direct-current magnetic water pump of the present invention, by the research of Fluid Mechanics, according to circulatory mediator principle of differential pressure, design pump seat into and out of water hole, water inlet is aimed at the zone of high pressure of pump cover, osculum aims at the low pressure area of pump cover, make fluid pump circulation, circulation rationally effectively, can reach expection radiating effect, this end face water-cooled forced circulation structure can effectively dispel the heat, and can ensure sealing again.
Accompanying drawing explanation
The following drawings is only intended to schematically illustrate the present invention and explain, not delimit the scope of the invention.Wherein:
Fig. 1 is the sectional view of brushless direct-current magnetic water pump of the present invention;
The flow path schematic diagram of fluid when Fig. 2 is brushless direct-current magnetic water pump of the present invention work;
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 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.
Primary component label declaration:
1 brshless DC motor
11 motor casing 12 electronic commutation control panels
13 end caps
131 heat radiation hydroecium 132 outlet cushion rubbers
14 stator module 15 rotor assembly
16 motor shafts
2 pump seat 21 water inlets
22 osculum 23 containing grooves
24 inner seal ring 25 exterior seal rings
3 pump cover 31 pump entrances
32 exit of pump 33 first areas
34 second area 35 pump cover seal rings
4 impellers
5 driving wheel 51 magnetic sheets
Embodiment
In order to there be understanding clearly to technical characteristics of the present invention, object and effect, now contrast accompanying drawing and the specific embodiment of the present invention is described.
As shown in Figure 1, Figure 6, Figure 7, the invention provides a kind of brushless direct-current magnetic water pump, this brushless direct-current magnetic water pump comprises brshless DC motor 1, pump seat 2, pump cover 3 and impeller 4.Brshless DC motor 1 comprise hollow motor casing 11, be located at the electronic commutation control panel 12 in motor casing 11 and be sealedly connected on the end cap 13 (or front cover) of motor casing 11 end, end cap 13 and motor casing 11 are such as bolted and are sealed by seal ring, electronic commutation control panel 12 is arranged on the interior edge face (interior edge face is the end face towards motor casing 11 inside) of end cap 13, the exterior edge face of end cap 13 offers the heat radiation hydroecium 131 for cool electronic commutation control plate 12, one end of pump seat 2 and the exterior edge face of end cap 13 are tightly connected, such as be bolted and sealed by seal ring, pump seat 2 offers the water inlet 21 and osculum 22 that are communicated with heat radiation hydroecium 131 respectively, water inlet 21, heat radiation hydroecium 131 and osculum 22 form fluid flow passageway, namely fluid can enter heat radiation hydroecium 131 via water inlet 21, flow out via osculum 22 again, thus pass through the mode of end face water-cooled, the heat produced by electronic commutation control panel 12 is taken away from heat radiation hydroecium, be reached for the effect of the quick efficiently radiates heat of electronic commutation control panel, improve the heat dispersion of motor, pump cover 3 is tightly connected with the other end of pump seat 2, and have inner chamber in pump cover 3, inner chamber is communicated with osculum 22 with the water inlet 21 of pump seat 2, impeller 4 is fixed on pump seat 2, and stretches in the inner chamber of pump cover 3, and impeller 4 is for carrying fluid.
Brushless direct-current magnetic water pump of the present invention adopts end face water-cooling pattern to be taken out of by the heat that the electronic commutation control panel of brshless DC motor produces, can to the effective quick heat radiating of electronic commutation control panel, improve the heat dispersion of motor, increase the environment serviceability temperature scope of brushless direct-current magnetic water pump, can long continuous operation at higher ambient temperatures; In addition, the security level of motor is high, and security level reaches IP67 level, and greatly can increase the working life of motor, working life can reach 40,000 hours.
Wherein, pump cover 3 offers the pump entrance 31 flowed into for fluid and the exit of pump 32 flowed out for fluid, to realize continuous print cooling water circulation.Preferably, the center line of pump entrance 31 and the center line of impeller 4 on same straight line, the center line of exit of pump 32 and the central axis of impeller 4, therefore outside fluid enters pump cover inner chamber by pump entrance front, by impeller 4 driven rotary, finally raised out outside pump by the impeller 4 rotated.
As shown in Figure 5, in a preferred embodiment, the inner chamber of pump cover 3 is spiral case inner chamber (or being called helical cavity), the first area 33 of spiral case inner chamber is aimed in water inlet 21 (vertically), osculum 22 (vertically) aims at the second area 34 of spiral case inner chamber, the pressure of first area 33 is higher than the pressure of second area 34, the hydrodynamic pressure of first area 33 is higher than the hydrodynamic pressure of second area 34 in other words, first area is zone of high pressure, second area is low pressure area, alternatively water inlet 21 is opened in the larger position of pump seat 2 upward pressure, osculum 22 is opened in the less position of pump seat 2 upward pressure.Owing to there is pressure reduction between first area 33 and second area 34, according to principle of differential pressure, fluid can flow into water inlet 21 smoothly by first area 33, after flowing through heat radiation hydroecium 131, second area 34 is flowed out to smoothly again by osculum 22, thus realize the pump circulation of fluid, cooling is forced to electric motor end cap, and the heat pump circulation that electronic commutation control panel produces is taken out of.
Wherein, the volume of first area 33 is less than the volume of second area 34, and in spiral case inner chamber, the cross-section area of first area 33 is less than the cross-section area of second area 34 in other words, thus has pressure reduction between first area and second area.
In addition, as shown in Figure 3, the shape of cross section of water inlet 21 and osculum 22 is such as curved, to adapt to the overall structure of pump seat, reduces the flow resistance of fluid, and is convenient to make.
Specifically, water pump operationally, impeller 4 sense of rotation is clockwise direction, the firm water entering pump cover 3 inner chamber through pump entrance 31 by outside is called low-pressure water, low-pressure water front enters in the spiral case inner chamber of pump cover 3 formation, and obtain kinetic energy by the effect of impeller 4, spiral case inner chamber due to pump cover 3 is the shape that volume (or cross-section area) changes, after low-pressure water acquisition kinetic energy becomes high pressure water, when being in volume (or cross-section area) less position (i.e. first area 33) in spiral case inner chamber, flowing velocity is slower, pressure can not get release, maintain certain high pressure conditions, aiming at this position (i.e. first area 33), to offer water inlet 21 the most suitable, so that external normal-temperature water enters heat radiation hydroecium 131 smoothly, when high pressure water by near impeller 4 rotating band to exit of pump 32 time, be in volume (or cross-section area) larger position (i.e. second area 34) in spiral case inner chamber, high pressure water is by abrupt release pressure, with kinetic energy form ejection exit of pump 32, in fluid mechanics, pressure and the speed of water are inversely proportional to, space geometry position now, due to close to exit of pump 32, the pressure of water reduces, speed improves, and aiming at this position (i.e. second area 34), to set out water hole 22 the most suitable, so that the water dispelled the heat in hydroecium 131 flows out smoothly through osculum 22.
Generally, during pump working, water obtains kinetic energy by impeller 4 High Rotation Speed in the spiral case inner chamber of pump cover 3, when the cavity volume volume (or cross-section area) of spiral case inner chamber changes, define different pressure spans, an other flow channel is offered respectively in different pressure spans, here entering of the heat radiation hydroecium 131 of electric motor end cap 13 is referred to, osculum, water inlet 21 is communicated with the zone of high pressure of spiral case inner chamber, be convenient to into water, osculum 22 is communicated with the low pressure area of spiral case inner chamber, be convenient to water outlet, due to the effect of pressure difference, the fluid pump circulation of heat radiation hydroecium 131 is dispelled the heat, namely, the water inlet 21 that during pump working, fluid enters pump seat 2 arrives the heat radiation hydroecium 131 of end cap 13, the osculum 22 of pump seat 2 is arrived again by heat radiation hydroecium 131, finally raised out outside pump by the impeller 4 rotated, be reached through the object that end face water-cooled pump circulation is dispelled the heat to electronic commutation control panel 12.
As shown in Figure 2, arrow points is the flow path of fluid, fluid enters after pump cover 3 inner chamber by outside through pump entrance 31 front, by impeller 4 driven rotary, part fluid is directly raised out outside pump by the impeller rotated via exit of pump 32 in rotary course, such as in the cycle cooling system of automobile, heat radiation is circulated after outflow, another part fluid rotation to entering water inlet 21 during first area 33, second area 34 is flowed out to by osculum 22 after flowing through heat radiation hydroecium 131, as indicated by arrows with dashed lines in figure 2, raised out outside pump by the impeller rotated via exit of pump 32 again, after the fluid with heat flows out from heat radiation hydroecium 131, normal temperature fluid is constantly had again to add in heat radiation hydroecium 131.
In a feasible technological scheme, electronic commutation control panel 12 fits (fitting tightly) with the interior edge face through the end cap 13 of insulation processing, so that most of heat conduction that the heat-generating electronic elements on electronic commutation control panel 12 produces is to end cap 13, by the fluid flowing through heat radiation hydroecium 131, heat is taken away again, motor is normally worked at higher ambient temperatures.Through test, the temperature rise of the electronic commutation control panel of tradition ventilated machine is at about 40 DEG C, and the present invention adopts end face water-cooling pattern, the temperature rise of electronic commutation control panel is only at about 20 DEG C, the temperature rise of effective control motor core component, motor can long continuous operation in the ambient temperature of 120 DEG C, especially provide a kind of new mentality of designing for brushless heavy-duty motor manufacture.
Specifically, multiple heating power pipes (being such as 7) on electronic commutation control panel 12 and end cap 13 adopt screw fastening, taken away by the heat that heating power pipe produces by end cap, a part of heat that electronic commutation control panel produces simultaneously can also be conducted by motor casing 11 and motor flange.
Preferably, heat radiation hydroecium 131 is annular groove, the mating shapes of the electronic component on the heat radiation diapire shape of hydroecium 131 and electronic commutation control panel 12, the i.e. uniform depth or uneven of annular groove, to adapt to the different heights of different elements on electronic commutation control panel, the bottom surface of annular groove is not a plane in other words, but change along with the shape height fluctuating of electronic component on the electronic commutation control panel 12 be in contact with it, be conducive to like this reducing the distance by between heat dissipation element and the fluid (cooling water) dispelled the heat in hydroecium 131, this distance is made to be only the wall thickness of end cap 13, and the area of contact of fluid in heat dissipation element and heat radiation hydroecium can be increased, reach the object of quick heat radiating.
Wherein, heat radiation hydroecium 131 is enclosed by internal ring wall and external annulus and is formed, pump seat 2 and internal ring wall are tightly connected by inner seal ring 24, pump seat 2 and external annulus are tightly connected by exterior seal ring 25, inner seal ring 24 is positioned at the inner side of water inlet 21 and osculum 22, exterior seal ring 25 is positioned at the outside of water inlet 21 and osculum 22, thus by arranging inner seal ring 24 and exterior seal ring 25, heat radiation hydroecium 131 and water inlet 21 and the hydroecium 131 that dispels the heat are tightly connected with osculum 22, form standstill seal passage, ensure that fluid interior leakage can not occur or leaks outside.Therefore, first area, water inlet, heat radiation hydroecium, osculum and second area formation have pressure reduction and airtight pump circulation fluid flow passageway (forced water circulation passage), realize cooling the pressure of electric motor end cap.That is, pump seat 2, pump cover 3 all offer for fluid flow into, flow out and lead to heat radiation hydroecium 131 passage, first area, second area, water inlet and osculum be configured for forcing fluid circulation this passage.
As Fig. 1, shown in Fig. 4, in the present embodiment, brshless DC motor 1 also comprises stator module 14, rotor assembly 15 and the motor shaft 16 be connected with rotor assembly, stator module 14 and rotor assembly 15 are positioned at motor casing 11, electronic commutation control panel 12 is positioned between stator module 14 (or rotor assembly 15) and end cap 13, rotor assembly 15 is set in stator module 14, rotating magnetic field is produced after stator module 14 is energized, rotor assembly 15 is rotated and produces power, one end of motor shaft 16 is connected with rotor assembly 15, the other end of motor shaft 16 passes electronic commutation control panel 12 and extends to outside end cap 13, the other end of motor shaft 16 is connected with the driving wheel 5 rotated by magnetic drives drives impeller 4, the center hole of driving wheel 5 coordinates with motor shaft 16 and is fastenedly connected with jackscrew, therefore when rotor assembly 15 rotates by motor shaft 16 by transmission of power to driving wheel 5, driving wheel 5 passes through magnetic non-contact power transmission mode by transmission of power again to impeller 4, impeller 4 is rotated.Specifically, impeller 4 is fixed on the rotation magnetic force ring (or being called " magnet ring ") in pump seat 2, driving wheel 5 by the magnetic non-contact kind of drive by transmission of power to rotation magnetic force ring, rotated by rotation magnetic force ring impeller.
Wherein, be provided with the containing groove 23 for installing rotation magnetic force ring and impeller 4 in the middle part of pump seat 2, containing groove 23 is between water inlet 21 and osculum 22.Specifically, the opening of containing groove 23 is towards pump cover 3, driving wheel 5 is set in outside containing groove 23, the annular inner wall face of driving wheel 5 has magnetic sheet 51, be provided with impeller assembly in containing groove 23, impeller assembly comprises impeller 4 and to be oppositely arranged with magnetic sheet 51 and can the magnetic force of attracted piece and rotation magnetic force ring that impeller 4 is rotated.The concrete structure of stator module 14, rotor assembly 15, driving wheel 5 and impeller assembly and power transmission mode all see prior art, can not repeated them here.
On the whole, brushless direct-current magnetic water pump of the present invention compared with prior art, has following characteristics and advantage:
1. the present invention adopts electronic commutation control circuit board in motor to contact radiating structure with electric motor end cap, and be different from traditional non-end cover cooling structure, good heat dissipation effect, efficiency are high;
2. in the present invention, electric motor end cap is provided with heat radiation hydroecium, novel structure, and conventional motors structure does not arrange heat radiation hydroecium on end cap;
3. in the present invention, pump seat and pump cover offer the water-in and water-out passage of electric motor end cap heat radiation hydroecium, an airtight forced water circulation system is formed with the end cap hydroecium that dispels the heat, rely on end face water-cooling, instead of rely on the natural heat conduction of water, thus cooling is forced to the drive and control of electric machine plate inside electric motor end cap, drastically increase the radiating effect of control panel in motor, expand the serviceability temperature scope of water pump.
The foregoing is only the schematic embodiment of the present invention, and be not used to limit scope of the present invention.Any those skilled in the art, the equivalent variations done under the prerequisite not departing from design of the present invention and principle and amendment, all should belong to the scope of protection of the invention.And it should be noted that, each constituent element of the present invention is not limited in above-mentioned overall applicability, the each technical characteristics described in specification of the present invention can select one to adopt separately or select the multinomial use that combines according to actual needs, therefore, the present invention covers other relevant with this case inventive point in the nature of things and combines and embody rule.
Claims (10)
1. a brushless direct-current magnetic water pump, is characterized in that, described brushless direct-current magnetic water pump comprises:
Brshless DC motor, comprise the motor casing of hollow, be located at the electronic commutation control panel in described motor casing and be connected to the end cap of described motor casing end, described electronic commutation control panel is arranged on the interior edge face of described end cap, and the exterior edge face of described end cap is provided with the heat radiation hydroecium for cooling described electronic commutation control panel;
Pump seat, its one end is connected with the exterior edge face of described end cap, described pump seat offers the water inlet and osculum that are communicated with described heat radiation hydroecium respectively, and described water inlet, described heat radiation hydroecium and described osculum form fluid flow passageway;
Pump cover, is connected with the other end of described pump seat, has inner chamber in described pump cover, and described inner chamber is communicated with osculum with the water inlet of described pump seat;
Impeller, is fixed in described pump seat, and stretches in the inner chamber of described pump cover.
2. brushless direct-current magnetic water pump as claimed in claim 1, it is characterized in that, the inner chamber of described pump cover is spiral case inner chamber, the first area of described spiral case inner chamber is aimed in described water inlet, described osculum aims at the second area of described spiral case inner chamber, and the pressure of described first area is higher than the pressure of described second area.
3. brushless direct-current magnetic water pump as claimed in claim 2, it is characterized in that, the volume of described first area is less than the volume of described second area.
4. brushless direct-current magnetic water pump as claimed in claim 2, is characterized in that, described first area, described water inlet, described heat radiation hydroecium, described osculum and described second area formation have pressure reduction and airtight pump circulation fluid flow passageway.
5. brushless direct-current magnetic water pump as claimed in claim 1, it is characterized in that, described electronic commutation control panel contacts with the interior edge face of the described end cap through insulation processing and fits.
6. brushless direct-current magnetic water pump as claimed in claim 1, it is characterized in that, described heat radiation hydroecium is annular groove, the mating shapes of the electronic component on the diapire shape of described heat radiation hydroecium and described electronic commutation control panel.
7. brushless direct-current magnetic water pump as claimed in claim 6, it is characterized in that, described heat radiation hydroecium is enclosed by internal ring wall and external annulus and is formed, and described pump seat and described internal ring wall are tightly connected by inner seal ring, and described pump seat and described external annulus are tightly connected by exterior seal ring.
8. brushless direct-current magnetic water pump as claimed in claim 1, is characterized in that, described brshless DC motor also comprises is located at stator module in described motor casing and rotor assembly, and described electronic commutation control panel is between described stator module and described end cap.
9. brushless direct-current magnetic water pump as claimed in claim 8, it is characterized in that, described brshless DC motor also comprises the motor shaft be connected with described rotor assembly, one end of described motor shaft is connected with described rotor assembly, the other end of described motor shaft passes described electronic commutation control panel and extends to outside described end cap, and the other end of described motor shaft is connected with the driving wheel driving described wheel rotation by magnetic drives.
10. the brushless direct-current magnetic water pump as described in any one of claim 1 to 9, is characterized in that, described impeller is fixed on the rotation magnetic force ring in described pump seat.
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| CN201510447075.9A CN105065290B (en) | 2015-07-27 | 2015-07-27 | Brushless direct-current magnetic water pump |
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| CN201510447075.9A CN105065290B (en) | 2015-07-27 | 2015-07-27 | Brushless direct-current magnetic water pump |
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| CN105386983A (en) * | 2015-12-22 | 2016-03-09 | 郑州宇通客车股份有限公司 | Brushless electronic water pump |
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| 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 |
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| CN107654388A (en) * | 2017-09-29 | 2018-02-02 | 广东威灵电机制造有限公司 | Electronic water pump |
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| CN110319027A (en) * | 2019-08-09 | 2019-10-11 | 苏州玲珑汽车科技有限公司 | It installs and has the electronic water pump for automobile and automobile of coolant flow channel in controller side |
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| CN113007103A (en) * | 2021-03-08 | 2021-06-22 | 佛山市顺德区一拓电气有限公司 | Water pump |
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| CN105386983A (en) * | 2015-12-22 | 2016-03-09 | 郑州宇通客车股份有限公司 | Brushless electronic water pump |
| CN105465002A (en) * | 2015-12-22 | 2016-04-06 | 郑州宇通客车股份有限公司 | Electronic water pump |
| CN107366624A (en) * | 2016-05-11 | 2017-11-21 | 刘刚 | A kind of 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 |
| CN109404247A (en) * | 2017-08-18 | 2019-03-01 | 深圳市广源兴实业发展有限公司 | A kind of booster 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 |
| CN110319027A (en) * | 2019-08-09 | 2019-10-11 | 苏州玲珑汽车科技有限公司 | It installs and has the electronic water pump for automobile and automobile of coolant flow channel in controller side |
| CN110319027B (en) * | 2019-08-09 | 2024-05-28 | 苏州玲珑汽车科技有限公司 | Automobile electronic water pump with cooling flow channel and installed on side face of controller and automobile |
| CN110805561A (en) * | 2019-10-28 | 2020-02-18 | 河北深海电器有限公司 | Pump and hydrogen energy battery automobile |
| CN110805561B (en) * | 2019-10-28 | 2022-01-25 | 河北深海电器有限公司 | Pump and hydrogen energy battery automobile |
| CN113007103A (en) * | 2021-03-08 | 2021-06-22 | 佛山市顺德区一拓电气有限公司 | Water pump |
| CN113007103B (en) * | 2021-03-08 | 2022-09-30 | 广州安捷制造有限公司 | Water pump |
| CN117200502A (en) * | 2023-08-17 | 2023-12-08 | 上海智元新创技术有限公司 | Liquid cooling motor |
| CN117200502B (en) * | 2023-08-17 | 2024-09-17 | 上海智元新创技术有限公司 | Liquid cooling motor |
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Denomination of invention: Brushless DC magnetic water pump Granted publication date: 20170929 Pledgee: Bank of China Limited by Share Ltd. Cangzhou branch Pledgor: HEBEI SHENHAI ELECTRICAL APPLIANCES CO.,LTD. Registration number: Y2024980020223 |