CN107654388A - Electronic water pump - Google Patents

Electronic water pump Download PDF

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Publication number
CN107654388A
CN107654388A CN201710916734.8A CN201710916734A CN107654388A CN 107654388 A CN107654388 A CN 107654388A CN 201710916734 A CN201710916734 A CN 201710916734A CN 107654388 A CN107654388 A CN 107654388A
Authority
CN
China
Prior art keywords
cap
water pump
electronic water
rotor
board component
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710916734.8A
Other languages
Chinese (zh)
Inventor
葛笑
桑渝
陈金涛
诸自强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Welling Auto Parts Co Ltd
Original Assignee
Guangdong Welling Motor Manufacturing Co Ltd
Midea Welling Motor Technology Shanghai Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangdong Welling Motor Manufacturing Co Ltd, Midea Welling Motor Technology Shanghai Co Ltd filed Critical Guangdong Welling Motor Manufacturing Co Ltd
Priority to CN201710916734.8A priority Critical patent/CN107654388A/en
Publication of CN107654388A publication Critical patent/CN107654388A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • F04D13/0673Units comprising pumps and their driving means the pump being electrically driven the motor being of the inside-out type
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/58Cooling; Heating; Diminishing heat transfer
    • F04D29/5813Cooling the control unit
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K11/00Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/30Structural association with control circuits or drive circuits
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K5/00Casings; Enclosures; Supports
    • H02K5/04Casings or enclosures characterised by the shape, form or construction thereof
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K5/00Casings; Enclosures; Supports
    • H02K5/04Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/12Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas
    • H02K5/128Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas using air-gap sleeves or air-gap discs
    • H02K5/1285Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas using air-gap sleeves or air-gap discs of the submersible type
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K9/00Arrangements for cooling or ventilating
    • H02K9/19Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil

Abstract

The present invention discloses a kind of electronic water pump, including:Pump case, motor casing, end cap, field frame assembly, impeller of rotor assembly and control board component, wherein, end cap is with pump case formed with pump housing chamber, and end cap is with motor casing formed with motor cavity;Field frame assembly is in motor cavity;Impeller of rotor assembly includes with the rotating shaft of end cap central rotation connection and is set in the impeller and rotor of rotating shaft, and impeller is located at pump housing intracavitary, and rotor is in motor cavity, and rotor is located at the outside of field frame assembly;Control board component is fixedly arranged on end cap close to the side of motor cavity, and control board component is in be bonded setting with end cap.This patent will control board component to be installed in end cap close to the side of motor cavity, therefore, the heat of control board component can be transferred to end cap, and then above-mentioned heat is taken away by the liquid of the endoceliac flowing of pump, therefore, this patent can improve the radiating of control board component, ensure the normal work of electronic water pump.

Description

Electronic water pump
Technical field
The present invention relates to water pump field, more particularly to a kind of electronic water pump.
Background technology
The motor that electronic water pump uses includes brush motor and brushless electric machine, wherein, brushless electric machine needs to set control panel Component realizes the commutation of electric current, so as to ensure that motor persistently rotates.During control board component control electric current commutation Substantial amounts of heat can be produced, this causes to control the temperature of board component constantly to raise, so as to have impact on the normal work of electronic water pump.
The content of the invention
The main object of the present invention is to propose a kind of electronic water pump, it is intended to the good heat radiating of control board component is realized, so as to Ensure the normal work of electronic water pump.
To achieve the above object, electronic water pump proposed by the present invention, including:Pump case, motor casing and end cap, the end cap with The pump case is formed with pump housing chamber, and the end cap is with the motor casing formed with motor cavity;
Field frame assembly and impeller of rotor assembly, the field frame assembly is in the motor cavity, the impeller of rotor assembly It is located at including the rotating shaft being rotatablely connected with the end cap central and the impeller and rotor that are set in the rotating shaft, the impeller The pump housing intracavitary, the rotor is in the motor cavity, and the rotor is located at the outside of the field frame assembly;And control Making sheet component, the control board component are fixedly arranged on the end cap close to the side of the motor cavity, and the control board component with The end cap is set in fitting.
Preferably, it is provided with heat-conducting layer between the control board component and the end cap.
Preferably, the control board component is filled in close to the side of the end cap formed with storage tank, the heat-conducting layer In the storage tank.
Preferably, installation deep gouge is offered on the end cap, the heat-conducting layer is located in the installation deep gouge or the control Making sheet component is with the heat-conducting layer in the installation deep gouge.
Preferably, the end cap corresponds to the installation deep gouge close to the side of the pump housing chamber and offers radiating deep gouge.
Preferably, the control board component is detachably fixed with the end cap by the first connector.
Preferably, the rotor includes:Rotor field spider, including the end between the motor casing and the field frame assembly Wall and all side walls along to close end cap side extension from the end wall, the rotating shaft are fixedly connected on the end wall The middle part of radial direction;And permanent magnet, it is installed on the internal face of all side walls, and the permanent magnet and the field frame assembly In being oppositely arranged.
Preferably, it is spaced apart on the end wall and is provided with multiple lightening holes.
Preferably, the end cap close to the side of the pump housing chamber formed with clutch shaft bearing room, in the clutch shaft bearing room The clutch shaft bearing fixed for the shaft set is installed.
Preferably, the motor casing has with the end cap in the end housing being oppositely arranged, and the end housing is close to the stator The inwall of assembly is provided with second bearing room, and the second bearing indoor location has the second axle fixed for the shaft set Hold.
Preferably, close to the side of the motor cavity, extension is provided with annular installation portion, the field frame assembly set to the end cap Dress is fixed on the annular installation portion.
Preferably, the periphery of the end cap is provided with mounting flange, and the pump case is provided with the be adapted to the mounting flange One attaching clamp, the motor casing is to provided with the second attaching clamp being adapted to the mounting flange, the fixed flange, first Attaching clamp and the second attaching clamp are fixedly connected by the second connector.
Preferably, the pump case at the cooperation of the end cap with being provided with the first sealing ring;The motor casing and the end cap Cooperation at be provided with the second sealing ring.
Preferably, the end cap is provided with locating flange, the motor casing and the positioning close to the side of the motor cavity Flange suit is fixed;Second sealing ring is fixedly arranged between the internal face of the positioning step and the motor casing.
Electronic water pump proposed by the present invention includes:Pump case, motor casing, end cap, field frame assembly, impeller of rotor assembly and control Board component, the end cap and pump case are formed with pump housing chamber, and the end cap and motor casing are formed with motor cavity, and this patent is by the control Making sheet component is fixedly arranged on the end cap close to the side of the motor cavity, and the control board component and the end cap are set in being bonded Put.Because the electronic water pump that this patent proposes will control board component to be installed in end cap close to the side of motor cavity, therefore, control panel The heat of component can be transferred to end cap, and then take away above-mentioned heat, therefore, this patent by the liquid of the endoceliac flowing of pump The radiating of control board component can be improved, ensure the normal work of electronic water pump.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with Structure according to these accompanying drawings obtains other accompanying drawings.
Fig. 1 is the dimensional structure diagram of the embodiment of electronic water pump one of the present invention;
Fig. 2 is the cross section structure diagram of the embodiment of electronic water pump one of the present invention;
Fig. 3 is the dimensional structure diagram of rotor in Fig. 1;
Drawing reference numeral explanation:
Label Title Label Title
10 First sealing ring 900 Field frame assembly
20 Second sealing ring 110 Water inlet
100 Pump case 120 Delivery port
200 Motor casing 130 First attaching clamp
300 End cap 210 Second attaching clamp
400 Rotating shaft 310 Mounting flange
500 Impeller 320 Annular installation portion
600 Rotor 610 Rotor field spider
700 Control board component 620 Permanent magnet
800 Heat-conducting layer 630 Lightening hole
The realization, functional characteristics and advantage of the object of the invention will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation describes, it is clear that described embodiment is only the part of the embodiment of the present invention, rather than whole embodiments.Base Embodiment in the present invention, those of ordinary skill in the art obtained under the premise of creative work is not made it is all its His embodiment, belongs to the scope of protection of the invention.
If it is to be appreciated that related in the embodiment of the present invention directionality instruction (such as up, down, left, right, before and after ...), Then directionality instruction be only used for explaining relative position relation under a certain particular pose (as shown in drawings) between each part, Motion conditions etc., if the particular pose changes, directionality instruction also correspondingly changes therewith.
If in addition, relating to the description of " first ", " second " etc. in the embodiment of the present invention, " first ", " second " etc. are somebody's turn to do Description be only used for describing purpose, and it is not intended that instruction or implying its relative importance or implicit indicating indicated skill The quantity of art feature.Thus, " first " is defined, the feature of " second " can be expressed or implicitly includes at least one spy Sign.In addition, the technical scheme between each embodiment can be combined with each other, but must be with those of ordinary skill in the art's energy Based on enough realizations, the knot of this technical scheme is will be understood that when the combination appearance of technical scheme is conflicting or can not realize Conjunction is not present, also not within the protection domain of application claims.
The present invention proposes a kind of electronic water pump, and the electronic water pump can realize the good heat radiating of control board component, so as to protect Demonstrate,prove the normal work of electronic water pump.
In embodiments of the present invention, as depicted in figs. 1 and 2, the electronic water pump includes:Pump case 100, motor casing 200, end cap 300th, field frame assembly 900, impeller of rotor assembly and control board component 700, wherein, the end cap 300 is formed with the pump case 100 There is pump housing chamber, the end cap 300 is with the motor casing 200 formed with motor cavity;The field frame assembly 900 is located at the motor cavity Interior, the impeller of rotor assembly includes the rotating shaft 400 being connected with the center rotating of end cap 300 and is set in the rotating shaft 400 impeller 500 and rotor 600, the impeller 500 are located at the pump housing intracavitary, and the rotor 600 is located at the motor cavity It is interior, and the periphery wall of the rotor 600 and the field frame assembly 900 is set in distance;The control board component 700 is fixedly arranged on institute End cap 300 is stated close to the side of the motor cavity, and the control board component 700 is in be bonded setting with the end cap 300.
It can realize that the principle of the control good heat radiating of board component 700 illustrates to this patent in conjunction with Fig. 2.In motor cavity Rotor 600 in the presence of stator field rotating shaft 400 can be driven to rotate, and then drive the endoceliac impeller 500 of pump rotate, Water inlet 110 and delivery port 120 are provided with pump case 100, when impeller 500 rotates, pump housing intracavitary forms negative pressure, so as to So that the liquid such as water, oil flows into pump housing chamber from water inlet 110, and by the efflux pump body cavity of delivery port 120.Because pump housing chamber is pump case 100 and end cap 300 enclose what is formed, this patent will control board component 700 to be installed in end cap 300 close to the side of motor cavity, because This, the heat of control board component 700 can be transferred to end cap 300, and then be taken away by the liquid of the endoceliac flowing of pump above-mentioned Heat, therefore, this patent can improve the radiating of control board component 700, ensure the normal work of electronic water pump.
Fig. 2 is continued referring to, the electronic water pump that this patent proposes uses outer-rotor structure, i.e.,:It is fixed that rotor 600 is arranged on The outside of sub- assembly 900, specifically, the rotor 600 include the support of rotor 600 and the permanent magnetism being installed on rotor field spider 610 Body 620, wherein, rotor field spider 610 is located between the field frame assembly 900 and the motor casing 200, the rotor field spider 610 Week including the end wall between the motor casing 200 and the field frame assembly 900 and from the end wall is along to close to described All side walls of the side of end cap 300 extension, the rotating shaft 400 are fixedly connected on the middle part of the end wall radial direction;The permanent magnet 620 It is installed on the internal face of all side walls, and the permanent magnet 620 is in be oppositely arranged with the field frame assembly 900, due to turning Sub 600 permanent magnet 620 and the stator core of field frame assembly 900 are oppositely arranged, therefore the electromagnetism that can improve rotor 600 turns Square.
The design not limited to this of right this patent, in other embodiment, the rotor 600 can also be correspondingly arranged at stator The inside of assembly 900.
Fig. 2 is refer to, in order to promote to control the heat of board component 700 to be transmitted to end cap 300, the embodiment of this patent one is in institute State and be provided with heat-conducting layer 800 between control board component 700 and the end cap 300, specifically, the heat-conducting layer 800 can be heat conduction Silicone grease layer, thermal grease layer is coated uniformly between end cap 300 and control board component 700, because silicone grease layer has excellent lead Hot property, therefore, it is possible to promote to control the heat of board component 700 to transmit to end cap 300;The heat-conducting layer 800 can also be to lead Heat insulation glue-line, heat conductive insulating glue-line is adhesively fixed between end cap 300 and control board component 700, because thermally conductive insulating layer is same When with good heat conductivility and insulating properties, therefore can promote control board component 700 heat transmitted to end cap 300, And ensure to control the good insulation between board component 700 and end cap 300.
The mounting structure of this patent heat-conducting layer 800 is described in detail in conjunction with Fig. 2.For covering heat-conducting layer 800 Lid scope is limited in control board component 700 with the contact plane of end cap 300, avoiding heat-conducting layer 800 from wasting, this patent one In embodiment, the control board component 700 is filled close to the side of the end cap 300 formed with storage tank, the heat-conducting layer 800 In the storage tank, in this way, after board component 700 is controlled and the installation of end cap 300 is fixed, heat-conducting layer 800 is fixed on end cap Between 300 and control board component 700, therefore, heat-conducting layer 800, which will not flow out, to be caused to waste.
Further, since heat-conducting layer 800 is arranged in the storage tank of control board component 700, that is, control board component 700 and heat conduction Layer 800 is set in integrative-structure, therefore can complete heat conduction in the lump while board component 700 will be controlled to be arranged on end cap 300 The installation of layer 800, so as to improve the packaging efficiency of this patent electronic water pump.
Preferably, control board component 700 and end cap 300 are connected for convenience, and this patent passes through the first connector Control board component 700 and end cap 300 is detachably connected, specifically, first connector is screw or bolt, screw or bolt Control board component 700 and end cap 300 are sequentially worn to realize being detachably connected for control board component 700 and end cap 300.
In order to which the thickness of the end cap 300 of control board installation site is thinned, so as to promote the heat of control board to pass through End cap 300 is transmitted to pump housing chamber side, and in the embodiment of this patent one, installation deep gouge, institute are offered on the end cap 300 Heat-conducting layer 800 is stated in the installation deep gouge or the control board component 700 is located at the installation with the heat-conducting layer 800 In deep gouge.Specifically, due to offered on end cap 300 the installation deep gouge that is adapted to heat-conducting layer 800 or with control board component 700 and The installation deep gouge that heat-conducting layer 800 is integrally adapted to, therefore the thickness of end cap 300 is thinner, so, it is possible to promote control board to produce Heat by end cap 300 to pump housing chamber side transmit.
As a kind of preferred embodiment, the end cap 300 corresponds to the installation deep gouge close to the side of the pump housing chamber and opened up There is radiating deep gouge, specifically, because the thickness of end cap 300 is further thinned, therefore, it is possible to further promote to control Heat caused by board component 700 is transmitted by end cap 300 to pump housing chamber side, so as to improve dissipating for control board component 700 Thermal effect.
Fig. 2 and Fig. 3 are refer to, in order to reduce the weight of rotor 600 so that motor turns in the electromagnetism needed for rotation process Square is smaller, in the embodiment of this patent one, multiple lightening holes 630 is offered on the end wall of the rotor field spider 610, due to loss of weight Hole 630 reduces the materials'use amount of end wall, so as to mitigate the weight of rotor 600 so that institute in the rotation process of rotor 600 The electromagnetic torque needed is smaller, so as to reduce the energy consumption of electronic water pump.
In order to ensure the smooth rotation of rotor 600, multiple lightening holes 630 uniform intervals on the end wall are arranged. Specifically, the mounting hole being fixedly connected for rotating shaft 400 is offered in the middle part of end wall, the outside uniform intervals of mounting hole are provided with multiple The lightening hole 630, because lightening hole 630 is in the outside uniform intervals distribution of mounting hole, therefore rotor 600 drives rotating shaft 400 During rotation, eccentric force will not be produced, so as to which rotating shaft 400 and bearing will not be caused circular runout occur, so, it is possible to keep rotor The smooth rotation of the assembly of 600 impeller 500.
The mounting structure of this patent rotating shaft 400 is described in detail in conjunction with Fig. 2.In order to realize the steady of rotating shaft 400 Rotate, the electronic water pump that this patent proposes is provided with a pair of bearings, and specifically, the end cap 300 is close to the side of the pump housing chamber Formed with clutch shaft bearing room, the clutch shaft bearing indoor location has the clutch shaft bearing that fixation is set with for the rotating shaft 400, the electricity Casing 200 has described in confession close to the inwall of the field frame assembly 900 formed with second bearing room, the second bearing indoor location Rotating shaft 400 is set with the second bearing of fixation.Because the both sides of rotating shaft 400 are respectively equipped with clutch shaft bearing and second bearing, therefore energy Enough ensure that rotating shaft 400 smoothly rotates.
Fig. 2 is continued referring to, is fixed in order to facilitate the installation between field frame assembly 900 and end cap 300, this patent one is implemented In example, close to the side of the motor cavity, extension is provided with annular installation portion 320 to the end cap 300, and the field frame assembly 900 is set with It is fixed on the annular installation portion 320.Specifically, the field frame assembly 900 includes stator core, is wound on stator core Stator winding and the stator plastic-sealed body being encapsulated on the outside of stator winding, due to being provided with annular installation portion on motor casing 200 320, therefore, field frame assembly 900, which can be adapted to, is set in the outer wall of the annular installation portion 320 to realize the He of field frame assembly 900 End cap 300 is fixedly connected.
Please referring now still to Fig. 2, the assembling in order to facilitate pump case 100, end cap 300 and motor casing 200 is fixed, what this patent proposed Electronic water pump is provided with mounting flange 310 in the periphery of the end cap 300, and the pump case 100 is provided with suitable with the mounting flange 310 The first attaching clamp 130 matched somebody with somebody, the motor casing 200 is to provided with the second attaching clamp being adapted to the mounting flange 310 210, the mounting flange 310, the first attaching clamp 130 and the second attaching clamp 210 are fixedly connected by the second connector.Tool Body, installation through-hole is correspondingly provided with the mounting flange 310, the first attaching clamp 130 and the second attaching clamp 210, it is described Second connector is the screw or bolt for being arranged in the installation through-hole, because just pump case 100, end cap 300 and motor casing 200 are logical Cross the second connector to be detachably connected, therefore, the installation of pump case 100, end cap 300 and motor casing 200 is very convenient.
Sealing in order to improve pump case 100, after end cap 300 and motor casing 200 are installed, in the embodiment of this patent one, institute Pump case 100 is stated with being provided with the first sealing ring 10 at the cooperation of the end cap 300, the motor casing 200 is matched somebody with somebody with the end cap 300 The second sealing ring 20 is provided with conjunction, after the second connector is fastened and fixed, pump case 100, end cap 300 and motor casing 200 can be real Now firmly fix, due to pump case 100 and end cap 300, sealing ring is respectively equipped between motor casing 200 and end cap 300, therefore, The sealing after pump case 100, end cap 300 and motor casing 200 are installed can be improved.
Specifically, in the embodiment of this patent one, the end cap 300 is provided with convex close to the side of the motor cavity Edge, the motor casing 200 are fixed with locating flange suit;Second sealing ring 20 is fixedly arranged on the locating flange and institute Between the internal face for stating motor casing 200.Because the end cap 300 is provided with the locating flange of annular, the periphery of the locating flange Wall is adapted with the size of the internal perisporium of the motor casing 200, when the motor casing 200 is fixedly connected with the end cap 300, The motor casing 200 is sleeved on the locating flange, and second sealing ring 20 is fixedly arranged on the locating flange and described Between the internal face of motor casing 200, in this way, the contact area between motor casing 200 and end cap 300 can not only be increased, improve Sealing between motor casing 200 and end cap 300, additionally it is possible to facilitate being fixedly connected between motor casing 200 and end cap 300.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the scope of the invention, it is every at this Under the inventive concept of invention, the equivalent structure transformation made using description of the invention and accompanying drawing content, or directly/use indirectly It is included in other related technical areas in the scope of patent protection of the present invention.

Claims (14)

  1. A kind of 1. electronic water pump, it is characterised in that including:
    Pump case, motor casing and end cap, the end cap are formed with the pump case formed with pump housing chamber, the end cap with the motor casing There is motor cavity;
    Field frame assembly and impeller of rotor assembly, in the motor cavity, the impeller of rotor assembly includes the field frame assembly Rotating shaft with end cap central rotation connection and the impeller and rotor of the rotating shaft are set in, the impeller is located at described Pump housing intracavitary, the rotor is in the motor cavity, and the rotor is located at the outside of the field frame assembly;And
    Board component is controlled, the control board component is fixedly arranged on the end cap close to the side of the motor cavity, and the control panel Component is in be bonded setting with the end cap.
  2. 2. electronic water pump as claimed in claim 1, it is characterised in that be provided with and lead between the control board component and the end cap Thermosphere.
  3. 3. electronic water pump as claimed in claim 2, it is characterised in that side shape of the control board component close to the end cap Into there is storage tank, the heat-conducting layer is filled in the storage tank.
  4. 4. electronic water pump as claimed in claim 2, it is characterised in that installation deep gouge, the heat conduction are offered on the end cap Layer is located in the installation deep gouge or the control board component is located at the heat-conducting layer in the installation deep gouge.
  5. 5. electronic water pump as claimed in claim 4, it is characterised in that the end cap corresponds to institute close to the side of the pump housing chamber State installation deep gouge and offer radiating deep gouge.
  6. 6. the electronic water pump as described in claim 1 to 5 any one, it is characterised in that the control board component and the end Lid is detachably fixed by the first connector.
  7. 7. the electronic water pump as described in claim 1 to 5 any one, it is characterised in that the rotor includes:
    Rotor field spider, including end wall between the motor casing and the field frame assembly and the week from the end wall along to by All side walls of the nearly end cap side extension, the rotating shaft are fixedly connected on the middle part of the end wall radial direction;And
    Permanent magnet, it is installed on the internal face of all side walls, and the permanent magnet is in be oppositely arranged with the field frame assembly.
  8. 8. electronic water pump as claimed in claim 7, it is characterised in that be spaced apart on the end wall and be provided with multiple lightening holes.
  9. 9. the electronic water pump as described in claim 1 to 5 any one, it is characterised in that the end cap is close to the pump housing chamber Side formed with clutch shaft bearing room, the clutch shaft bearing indoor location have for the shaft set fix clutch shaft bearing.
  10. 10. electronic water pump as claimed in claim 9, it is characterised in that it is in relative set that the motor casing, which has with the end cap, The end housing put, the end housing are provided with second bearing room, the second bearing indoor location close to the inwall of the field frame assembly There is the second bearing fixed for the shaft set.
  11. 11. the electronic water pump as described in claim 1 to 5 any one, it is characterised in that the end cap is close to the motor cavity Side extension be provided with annular installation portion, the field frame assembly, which is set with, is fixed on the annular installation portion.
  12. 12. the electronic water pump as described in claim 1 to 5 any one, it is characterised in that the periphery of the end cap is provided with installation Flange, the pump case are provided with the first attaching clamp for being adapted to the mounting flange, the motor casing to provided with the installation Second attaching clamp of flange adaptation, the fixed flange, the first attaching clamp and the second attaching clamp pass through the second connector It is fixedly connected.
  13. 13. electronic water pump as claimed in claim 12, it is characterised in that the is provided with the cooperation of the pump case and the end cap One sealing ring;The motor casing at the cooperation of the end cap with being provided with the second sealing ring.
  14. 14. electronic water pump as claimed in claim 13, it is characterised in that the end cap is provided with close to the side of the motor cavity Locating flange, the motor casing are fixed with locating flange suit;Second sealing ring be fixedly arranged on the locating flange and Between the internal face of the motor casing.
CN201710916734.8A 2017-09-29 2017-09-29 Electronic water pump Pending CN107654388A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710916734.8A CN107654388A (en) 2017-09-29 2017-09-29 Electronic water pump

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Application Number Priority Date Filing Date Title
CN201710916734.8A CN107654388A (en) 2017-09-29 2017-09-29 Electronic water pump

Publications (1)

Publication Number Publication Date
CN107654388A true CN107654388A (en) 2018-02-02

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Application Number Title Priority Date Filing Date
CN201710916734.8A Pending CN107654388A (en) 2017-09-29 2017-09-29 Electronic water pump

Country Status (1)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020064812A1 (en) * 2018-09-25 2020-04-02 Nidec Gpm Gmbh Dry-runner pump having an annular capacitor
CN111835173A (en) * 2019-04-15 2020-10-27 宁波利佳青石电气科技有限公司 RO pump of outer rotor brushless motor

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Publication number Priority date Publication date Assignee Title
DE29907338U1 (en) * 1998-04-17 1999-07-29 Sagem Fan set with integrated control block
CN1262395A (en) * 1999-01-22 2000-08-09 株式会社三协精机制作所 Pump device
CN201144881Y (en) * 2007-12-14 2008-11-05 大井泵浦工业股份有限公司 Circuit cooling structure of aspiring pump
CN104953752A (en) * 2015-06-30 2015-09-30 青岛三利智能动力有限公司 Intelligent variable-frequency motor and water supply system
CN105065290A (en) * 2015-07-27 2015-11-18 河北深海电器有限公司 Brushless direct-current magnetic water pump

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Publication number Priority date Publication date Assignee Title
DE29907338U1 (en) * 1998-04-17 1999-07-29 Sagem Fan set with integrated control block
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CN105065290A (en) * 2015-07-27 2015-11-18 河北深海电器有限公司 Brushless direct-current magnetic water pump

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020064812A1 (en) * 2018-09-25 2020-04-02 Nidec Gpm Gmbh Dry-runner pump having an annular capacitor
CN111835173A (en) * 2019-04-15 2020-10-27 宁波利佳青石电气科技有限公司 RO pump of outer rotor brushless motor

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Application publication date: 20180202