CN106640681A - Brushless electronic water pump - Google Patents
Brushless electronic water pump Download PDFInfo
- Publication number
- CN106640681A CN106640681A CN201710009706.8A CN201710009706A CN106640681A CN 106640681 A CN106640681 A CN 106640681A CN 201710009706 A CN201710009706 A CN 201710009706A CN 106640681 A CN106640681 A CN 106640681A
- Authority
- CN
- China
- Prior art keywords
- water pump
- cylinder
- electronic water
- wear
- shell body
- 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.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 63
- 239000012530 fluid Substances 0.000 claims abstract description 25
- 238000005461 lubrication Methods 0.000 claims description 42
- 239000012212 insulator Substances 0.000 claims description 29
- 238000000926 separation method Methods 0.000 claims description 27
- 238000009434 installation Methods 0.000 claims description 18
- 238000004804 winding Methods 0.000 claims description 18
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 17
- 230000002787 reinforcement Effects 0.000 claims description 17
- 238000007789 sealing Methods 0.000 claims description 15
- 239000012535 impurity Substances 0.000 claims description 13
- 208000004067 Flatfoot Diseases 0.000 claims description 8
- 238000003780 insertion Methods 0.000 claims description 5
- 230000037431 insertion Effects 0.000 claims description 5
- 238000009827 uniform distribution Methods 0.000 claims description 5
- 239000004831 Hot glue Substances 0.000 claims 1
- 238000009413 insulation Methods 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 230000001050 lubricating effect Effects 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 238000001746 injection moulding Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000003292 glue Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 239000007770 graphite material Substances 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- 229910052779 Neodymium Inorganic materials 0.000 description 1
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 description 1
- 229910001172 neodymium magnet Inorganic materials 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/02—Selection of particular materials
- F04D29/026—Selection of particular materials especially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/06—Lubrication
- F04D29/061—Lubrication especially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/2205—Conventional flow pattern
- F04D29/2222—Construction and assembly
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/586—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a brushless electronic water pump. The brushless electronic water pump comprises a shell body, an isolating sleeve and an upper cover which can be detachably fixed. The isolating sleeve divides the shell body and the upper cover into an installing chamber and a fluid chamber. A stator assembly and a PCB are fixed into the installing chamber. A rotor assembly is installed in the fluid chamber in a rotating manner. The upper cover is provided with a water inlet and a water outlet. The rotor assembly comprises an impeller and a connecting drum. A wear-resisting lubricating insert is fixedly inserted into an inner hole of the connecting drum. A center hole is formed in the wear-resisting lubricating insert. A magnet yoke drum is fixedly installed outside the connecting drum concentrically in a sleeving manner. A magnet ring drum is fixedly installed outside the magnet yoke drum concentrically in a sleeving manner. The isolating sleeve is provided with a locating center shaft which is inserted into the center hole. The shell body is provided with a heat dissipating device connected with the PCB in a heat-conducting manner. According to the brushless electronic water pump, a bearing does not need to be arranged on a rotor, no water inlet space is occupied, the reliability of the brushless electronic water pump is improved, and the service life of the brushless electronic water pump is prolonged.
Description
Technical field
The present invention relates to a kind of electronic water pump, more particularly to a kind of brushless electronic water pump.
Background technology
Current electronic water pump includes motor stator and rotor, and armature spindle is connected on the outer steel of water pump, water pump
Interior magnet steel be put in outer steel, be connected with impeller on interior magnet steel, the motor stator of this electronic water pump and electronics rotor coordinate,
Outer steel and interior magnet steel coordinate, so as to the driving for completing impeller rotates.It is exactly two kinds of motor and water pump that this structure is actual
Simple superposition, its high cost, and volume are big, and conversion efficiency is low.
A kind of electronic water pump of Patent No. ZL 201410425454.3 discloses the water pump of another kind of structure, including outer
Space in electronic water pump is separated into containing cavity and fluid cavity by housing, separation sleeve, stator component, rotor part, separation sleeve, is turned
Subassembly includes that rotor core, blade injection molding body, rotating shaft, the rotating shaft top and bottom of rotor part are required to rotation and are installed on the
On one bearing and second bearing, and clutch shaft bearing is installed on support base, and support base is installed on support, this mounting means
Suffer from the drawback that：1. support base and support are provided with, so as to occupy into hydrospace, decreased influent flow is caused；2. first axle
Hold and be arranged on support base, and around support base be all the time the liquid of flowing, although can be isolated using sealing cooperation,
But because rotor assembly is to rotate all the time, therefore sealing reliability is very low, and clutch shaft bearing may be immersed in all the time in water,
Time one, long clutch shaft bearing got rusty easily, and such clutch shaft bearing just rotates not freely, and the rotational resistance of rotor assembly increases, and efficiency is got over
Come lower, or even the phenomenon that electronic water pump is damaged can be caused to occur because of excessive wear.3. rotor part rotates in high speed, can be right
Support base and support produce certain impact, and when especially using on automobile, electronic water pump jolts all the time in one
Environment in, therefore it is required that support base and support are more firm, and support and support base typically adopt plastic material, and need
Liquid is facilitated to flow through, therefore, its position installed and structure limit in itself its structure and insecure, and support is some
Rod-like structure supports support base, and so as to the reliability of electronic water pump is low, service life shortens；The blade injection molding body of 4 patents
For unenclosed construction, i.e. the blade of blade injection molding body is in first shell body, what liquid was rotated after entering in first shell body
Blade fluctuation is derived from outlet, and its discharge pressure is little, and water yield is little.The radiating effect of 5 this electronic water pumps is excessively poor, due to
Pcb board is installed in second shell body and uniquely relies on one piece of heat-dissipating aluminium plate and radiated, and derived heat remains unchanged in second shell
In vivo, therefore temperature is high when the electronic water pump works, the normal work of pcb board is affected.
The content of the invention
The technical problem to be solved is：A kind of brushless electronic water pump, the rotor of the brushless electronic water pump are provided
Bearing need not be set, and be not take up into hydrospace, improve the reliability of brushless electronic water pump, extend its service life.
To solve above-mentioned technical problem, the technical scheme is that：A kind of brushless electronic water pump, including being detachably fixed
Shell body, separation sleeve and upper lid, installation chamber, the separation sleeve and upper lid are constituted between the separation sleeve and shell body
Between constitute fluid chamber, the fluid chamber and install that chamber is separate, the installation within the chamber is fixed with field frame assembly
And pcb board, the rotor assembly coordinated with field frame assembly is rotatablely equipped with the fluid chamber, it is provided with into water on the upper lid
Mouth and outlet, the rotor assembly includes impeller and is arranged at the connecting cylinder of wheel bottom, same in the endoporus of the connecting cylinder
The heart is embedded to be fixed with wear-resisting lubrication inserts, and on the wear-resisting lubrication inserts center being arranged concentrically with the endoporus of connecting cylinder is provided with
Hole, the external concentric suit of the connecting cylinder is fixed with yoke cylinder, and the external concentric suit of yoke cylinder is fixed with magnet ring cylinder, described
Be provided with centre of location axle on separation sleeve, the centre of location axle is inserted in the centre bore, be provided with the shell body with
Pcb board leads hot linked heat abstractor.
Used as a kind of preferred scheme, the connecting cylinder includes big footpath cylinder section and the path cylinder for being connected with each other and being arranged concentrically
Section, one end of the big footpath cylinder section is fixedly connected with wheel bottom, one end of the path cylinder section and the other end of large-diameter pipe section
It is connected, the other end is provided with reinforcement connecting plate, the embedding hole of reinforcement, the yoke cylinder and magnet ring cylinder is provided with the reinforcement connecting plate
Suit is fixed on path pipeline section and the external diameter of magnet ring cylinder is equal with the external diameter of big footpath cylinder section, and the end of the magnet ring cylinder sets
It is equipped with the embedded embedded convex foot strengthened in embedding hole.
As a kind of preferred scheme, be provided with the endoporus of the connecting cylinder at least one convex platform that inwardly protrudes out and
At least one lower convex platform, corresponding, the upper end of the wear-resisting lubrication inserts is provided with the upper breach with convex platform corresponding matching, institute
The lower end for stating wear-resisting lubrication inserts is provided with lower breach with lower convex platform corresponding matching.
As a kind of preferred scheme, at least one axial notch is provided with the centre bore of the wear-resisting lubrication inserts,
Axially through the centre bore, the upper surface and lower surface of the wear-resisting lubrication inserts are respectively arranged with axial direction to the axial notch
The connected upper diversion groove in the top and bottom of groove and lower diversion groove.
Used as a kind of preferred scheme, the lower surface of the wear-resisting lubrication inserts is higher than the lower surface of connecting cylinder, described resistance to
Tribology is slided and inserting chamber is constituted between the lower surface of inserts and the endoporus of connecting cylinder, arranges in the fluid chamber on the separation sleeve
There is the inserting of the insertion inserting intracavity raised, between the raised upper end of the inserting and wear-resisting lubrication inserts underlay is provided with
Circle, between the bottom of the fluid chamber and reinforcement connecting plate impurity accommodating chamber is provided with.
Used as a kind of preferred scheme, the field frame assembly includes iron core and is wrapped in iron core and matches with core configuration
Insulator, is wound with stator winding on the insulator, the upper end of the insulator is provided with the extension of several circumference uniform distributions
Ear, is provided with coiling breach between the hangers and the upper surface of insulator, the lower end of the insulator is arranged also has inserting embedding
Foot, arranging on corresponding pcb board also has and inserts the embedding hole of fixation that the inserting of embedding foot coordinates, the lower end of the iron core be provided with
The ground terminal of pcb board connection.
As a kind of preferred scheme, convenient and automatic coil winding machine location fit is provided with the upper surface of the insulator
Positioning recess, the bottom of insulator is provided with the embedding mouth of the threading for facilitating stator winding to pass through.
Used as a kind of preferred scheme, the heat abstractor includes radiating seat, sealing ring, heat-conducting pad and heat conduction tabletting,
The bottom of the shell body is provided with installation through-hole, and the heat conduction tabletting is arranged inside shell body, and the radiating seat is arranged at
The outside of shell body and between heat conduction tabletting securing member fix and by the heat-conducting pad compress, the sealing ring is installed on scattered
Between hot seat and the bottom of shell body, between the heat conduction tabletting and pcb board heat-conducting glue is provided with.
Used as a kind of preferred scheme, the radiating seat includes the radiating bottom plate of camber and is arranged at radiating bottom plate bottom
Radiating fin, embedded projection is provided with the radiating bottom plate, the bottom of the heat conduction tabletting is provided with screw hole column, described embedding
Enter to be provided with projection the screw hole column groove of screw hole column matching, the ring set is being embedded in projection, the embedded projection
Fill in the installation through-hole and fix with heat conduction tabletting screw, the bottom of the shell body is provided with waterproof vent valve.
Used as a kind of preferred scheme, the impeller includes lower impeller halfbody and upper impeller halfbody, the lower impeller halfbody
It is integrally formed with the connecting cylinder, several blade grooves is provided with the upper surface of the lower impeller halfbody, on each blade groove
At least one mortise is provided with, several are provided with the lower surface of upper leaf wheel halfbody with the one-to-one leaf of blade groove
Piece, is provided with and the one-to-one tenon of mortise on the blade, and on upper leaf wheel halfbody intake tunnel is provided with.
After employing above-mentioned technical proposal, the effect of the present invention is：Because the rotor assembly includes impeller and is arranged at
The connecting cylinder of wheel bottom, embedded with one heart in the endoporus of the connecting cylinder to be fixed with wear-resisting lubrication inserts, the wear-resisting lubrication is embedding
The centre bore being arranged concentrically with the endoporus of connecting cylinder is provided with part, the external concentric suit of the connecting cylinder is fixed with yoke
Cylinder, the external concentric suit of yoke cylinder is fixed with magnet ring cylinder, and centre of location axle, the centre of location are provided with the separation sleeve
Axle is inserted in the centre bore, is provided with the shell body and is led hot linked heat abstractor with pcb board, therefore, the rotor is total
Rotation is realized into being directly sleeved on centre of location axle using the centre bore of wear-resisting lubrication inserts, so as to without the need for setting in water inlet
Support and bearing are put, the inflow of water inlet is improve, bearing rust or lubrication failure is it also avoid, so that rotor assembly begins
Smoothly rotate eventually, rotational resistance is little, and water outlet efficiency high, the reliability of electronic water pump is higher, and service life is longer.And rotor is total
Yoke cylinder is provided with into interior, the magnetic line of force for constraining induction coil generation is outwards dissipated, makes beam of magnetic line of force concentrate on induction coil week
Enclose, and play magnetic screening action, which also improves the efficiency of electromagnetic conversion.
Again because the connecting cylinder is including the big footpath cylinder section and path cylinder section for being connected with each other and being arranged concentrically, the big footpath cylinder
One end of section is fixedly connected with wheel bottom, and one end of the path cylinder section is connected with the other end of large-diameter pipe section, and the other end sets
Reinforcement connecting plate is equipped with, the embedding hole of reinforcement is provided with the reinforcement connecting plate, the yoke cylinder and magnet ring cylinder are set with and are fixed on
On path pipeline section and the external diameter of magnet ring cylinder is equal with the external diameter of big footpath cylinder section, and the end of the magnet ring cylinder be provided with it is embedded described
Strengthen the embedded convex foot in embedding hole, the reinforcement connecting plate of the connecting cylinder can be more firm with the fixation of yoke cylinder and magnet ring cylinder, and
And using being embedded in convex foot and strengthening the cooperation in embedding hole, whole rotor assembly magnet ring cylinder during high speed rotates is not occurred
Position offsets, and makes the reliability of electronic water pump higher.
It is again convex under at least one convex platform and at least one for inwardly protruding out due to being provided with the endoporus of the connecting cylinder
Platform, corresponding, the upper end of the wear-resisting lubrication inserts is provided with the upper breach with convex platform corresponding matching, and the wear-resisting lubrication is embedding
The lower end of part is provided with the lower breach with lower convex platform corresponding matching, and the structure can improve wear-resisting lubrication inserts and connecting cylinder endoporus
Between firmness, it is to avoid rotate skew between wear-resisting lubrication inserts and connecting cylinder.Wear-resisting lubrication inserts is typically adopted
Graphite material is made.
Again due to being provided with least one axial notch, the axial notch axle in the centre bore of the wear-resisting lubrication inserts
To centre bore described in insertion, the wear-resisting upper surface and lower surface for lubricating inserts is respectively arranged with the upper end of axial notch with
The connected upper diversion groove in end and lower diversion groove, carbon dust and other fine impurities that rotor assembly can be produced when rotating at a high speed
Can enter in axial notch from upper diversion groove, it is to avoid space is not enough so as to causing between rotor assembly and centre of location axle
The bad situation of operating occurs.
Again because the lower surface of the wear-resisting lubrication inserts is higher than the lower surface of connecting cylinder, under the wear-resisting lubrication inserts
Inserting chamber is constituted between end face and the endoporus of connecting cylinder, the insertion inserting is provided with the fluid chamber on the separation sleeve
The inserting of intracavity is raised, and between the raised upper end of the inserting and wear-resisting lubrication inserts lower gasket, the fluid chamber are provided with
Bottom and strengthen connecting plate between be provided with impurity accommodating chamber, the inserting projection can directly with it is wear-resisting lubrication inserts positioning match somebody with somebody
Close, rotor assembly rotation is more smooth, also, impurity accommodating chamber can accommodate impurity, the water of final flowing can be by impurity accommodating chamber
In impurity take out of.
It is described exhausted again because the field frame assembly includes iron core and the insulator for being wrapped in iron core and matching with core configuration
Be wound with stator winding on edge body, the upper end of the insulator is provided with the hangers of several circumference uniform distributions, the hangers with
Coiling breach is provided between the upper surface of insulator, the lower end of the insulator is arranged also the embedding foot of inserting, corresponding pcb board
Upper setting also has and inserts the embedding hole of fixation that embedding foot inserting coordinates, and the lower end of the iron core is provided with the ground connection being connected with pcb board
Terminal.Due to the setting of insulator, therefore, stator winding is more prone to winding, it is to avoid the line shelling of positioning winding is damaged, and is inserted
Embedding foot facilitates PCB and insulator to fix, and ground terminal is directly connected with PCB, prevents electric components from burning out, and hangers side
Just contact with shell body, it is ensured that the mounting distance of other parts.
Again due to being provided with the convenient positioning recess with automatic coil winding machine location fit on the upper surface of the insulator, absolutely
The bottom of edge body is provided with the embedding mouth of the threading for facilitating stator winding to pass through, and the positioning recess can facilitate the field frame assembly can be automatic
Automatic winding on coil winding machine, and threading breach is conveniently fixed to line end.
Again because the heat abstractor includes radiating seat, sealing ring, heat-conducting pad and heat conduction tabletting, the bottom of the shell body
Portion is provided with installation through-hole, and the heat conduction tabletting is arranged inside shell body, the radiating seat be arranged at the outside of shell body and
Securing member is fixed and compresses the heat-conducting pad between heat conduction tabletting, and the sealing ring is installed on radiating seat with shell body
Between bottom, heat-conducting glue is provided between the heat conduction tabletting and pcb board, rationally, radiating seat is arranged on the construction for heat radiating device
The outside of shell body, the heat that PCB is produced is directly conducted on the radiating seat of outside, so as to improve radiating effect, it is ensured that PCB
Plate works at a lower temperature all the time, it is ensured that the stability of electric elements.
Again because the radiating seat includes the radiating bottom plate of camber and is arranged at the radiating fin of radiating bottom plate bottom, institute
State and be provided with radiating bottom plate embedded projection, the bottom of the heat conduction tabletting is provided with screw hole column, arranges in the embedded projection
There is the screw hole column groove that screw hole column is matched, in embedded projection, the embedded projection fills in the installation to the ring set
Fix in through hole and with heat conduction tabletting screw, the bottom of the shell body is provided with waterproof vent valve, and the installation of the radiating seat is non-
Chang Heli, heat conduction and sealing effectiveness it is relatively good, and can improve the air permeable effect of shell body using waterproof vent valve.
Again because the impeller includes lower impeller halfbody and upper impeller halfbody, the lower impeller halfbody and the connecting cylinder one
It is body formed, several blade grooves are provided with the upper surface of the lower impeller halfbody, it is provided with least one on each blade groove
Mortise, is provided with several and the one-to-one blade of blade groove on the lower surface of upper leaf wheel halfbody, set on the blade
It is equipped with and the one-to-one tenon of mortise, intake tunnel is provided with upper leaf wheel halfbody, arranges on upper leaf wheel halfbody
There is intake tunnel, the impeller adopts enclosed structure, and water entered in intake tunnel from water inlet, upper impeller halfbody and inferior lobe
Wheel halfbody makes blade into closed, and such discharge pressure is higher, and the effective power of electronic water pump is bigger.
Description of the drawings
With reference to the accompanying drawings and examples the present invention is further described.
Fig. 1 is the axonometric chart of the embodiment of the present invention；
Fig. 2 is the front schematic view of the embodiment of the present invention；
Fig. 3 is sectional views of the Fig. 2 at A-A；
Fig. 4 is the explosive view of a part of parts of electronic water pump of the present invention；
Fig. 5 is the explosive view of another part of electronic water pump of the present invention；
Fig. 6 is the front view of field frame assembly of the present invention and shell body；
Fig. 7 is sectional views of the Fig. 6 at B-B；
Fig. 8 is the axonometric chart of field frame assembly；
Fig. 9 is the front schematic view of rotor assembly and separation sleeve；
Figure 10 is sectional views of the Fig. 9 at C-C；
Figure 11 is the exploded perspective view of rotor assembly；
Figure 12 is another exploded perspective view of rotor assembly；
In accompanying drawing：1. shell body；101 waterproof vent valves；102. patch plug；103. connection terminal；2. lid is gone up；201. water inlet
Mouthful；202. outlet；3. heat abstractor；301. radiating seat；3011. radiating bottom plate；3012. radiating fin；3013. it is embedded convex
Rise；3014. screw hole column groove；302. sealing ring；303. heat-conducting pad；304. heat conduction tablettings；3041. screw hole column；4. stator is total
Into；401. insulator；4011. hangers；4012. coiling breach；4013. positioning recess；The embedding foot of 4014. insertings；4015. threading is embedding
Mouthful；402. iron core；4021. ground terminal；5. rotor assembly；501. impeller；Impeller halfbody on 5011.；50111. blade；
50112. tenon；50113. intake tunnel；5012. times impeller halfbodies；50121. blade groove；50122. mortise；502. connecting cylinder；
5021. big footpath cylinder sections；5022. path cylinder sections；5023. convex platform；5024. lower convex platform；503. strengthen connecting plate；504. strengthen embedding
Hole；505. wear-resisting lubrication inserts；5051. centre bore；5052. axial notch；5053. upper diversion groove；5054. upper breach；
5055. lower breach；5056. lower diversion groove；506. yoke cylinders；507. magnet ring cylinders；5071. are embedded in convex foot；6.PCB plates；7. every
From set；701. centre of location axles；702. water conservancy diversion plate portions；703. blind set portions；704. insertings are raised；705. impurity accommodating chambers；706.
Fluid chamber；8. sealing ring is gone up；9. circlip；10. upper gasket；11. lower gaskets.
Specific embodiment
Below by specific embodiment, the present invention is described in further detail.
Orientation up and down in the present embodiment is to determine electronic water pump according to the putting position of Fig. 2.
As shown in Figures 1 to 12, a kind of brushless electronic water pump, including the shell body 1, separation sleeve 7 being detachably fixed and on
Lid 2, the shell body 1 is cylindrical shape, and the bottom of shell body 1 is provided with installation through-hole, for installing heat abstractor 3, shell body 1
Bottom be additionally provided with waterproof vent valve 101, realize while air permeable effect waterproof effect for increasing.Set on the upper lid 2
Water inlet 201 and outlet 202 are equipped with, are sealed by upper sealing ring 8 between upper lid 2 and separation sleeve 7, separation sleeve 7 and shell body 1
Between also sealing coordinate.Screw is fixed between upper lid 2, separation sleeve 7 and shell body 1, structure between the separation sleeve 7 and shell body 1
Into installation chamber, fluid chamber 706, the fluid chamber 706 and installation cavity are constituted between the separation sleeve 7 and upper lid 2
Room is separate, and liquid is the flowing in fluid chamber 706, is kept apart by separation sleeve 7 with the electric elements for installing within the chamber,
Avoid internal electric elements contact liq.
As shown in Fig. 4 and Figure 10, the separation sleeve 7 includes blind set portion 703 and is arranged at the deflector of the top of blind set portion 703
Portion 702, is provided with the gathering sill for facilitating guiding fluid outlet 202 in water conservancy diversion plate portion 702, the fluid chamber 706 is arranged at
In blind set portion 703, centre of location axle 701 is provided with blind set portion 703, the bottom of fluid chamber 706 is provided with inserting projection
704, centre of location axle 701 is fixed in inserting raised 704, and the separation sleeve 7 is formed in one setting, using plastic material system
Into.
The installation within the chamber is fixed with field frame assembly 4 and pcb board 6, the fluid chamber 706 and is rotatablely equipped with and determines
The rotor assembly 5 that sub- assembly 4 coordinates.
As shown in Fig. 4, Fig. 9, Figure 10, Figure 11 and Figure 12, the rotor assembly 5 includes impeller 501 and is arranged at impeller 501
The connecting cylinder 502 of bottom, it is embedded with one heart in the endoporus of the connecting cylinder 502 to be fixed with wear-resisting lubrication inserts 505, the resistance to tribology
The centre bore 5051 being arranged concentrically with the endoporus of connecting cylinder 502 is provided with sliding inserts 505, the outside of the connecting cylinder 502 is same
Heart suit is fixed with yoke cylinder 506, and the external concentric suit of yoke cylinder 506 is fixed with magnet ring cylinder 507, sets on the separation sleeve 7
Centre of location axle 701 is equipped with, the centre of location axle 701 is inserted in the centre bore 5051, realizes the rotation peace of rotor assembly 5
Dress, is provided with the shell body 1 and leads hot linked heat abstractor 3 with pcb board 6.
The impeller 501 includes lower impeller halfbody 5012 and upper impeller halfbody 5011, the lower impeller halfbody 5012 and institute
State connecting cylinder 502 to be integrally formed, on the upper surface of the lower impeller halfbody 5012 several blade grooves 50121 are provided with, each
At least one mortise 50122 is provided with blade groove 50121, it is preferred that be provided with each blade groove 50121 in the present embodiment
Three mortises 50122, are provided with several one-to-one with blade groove 50121 on the lower surface of upper leaf wheel halfbody 5011
Blade 50111, is provided with and the one-to-one tenon 50112 of mortise 50122, upper leaf wheel halfbody on the blade 50111
Intake tunnel 50113 is provided with 5011, upper impeller halfbody 5011 and lower impeller halfbody 5012 are by tenon 50112 and mortise
50122 realize that joggle is fixed.The impeller 501 is enclosed impeller, can produce bigger discharge pressure, water outlet pressure under same rotating speed
Power is bigger, and water yield is more, and water outlet is in hgher efficiency.
The connecting cylinder 502 includes big footpath cylinder section 5021 and the path cylinder section 5022 for being connected with each other and being arranged concentrically, described
One end of big footpath cylinder section 5021 is fixedly connected with the bottom of impeller 501, and the other end of the path cylinder section 5022 is provided with reinforcement and connects
Fishplate bar 503, is provided with the embedding hole 504 of reinforcement on the reinforcement connecting plate 503, connecting cylinder 502 and lower impeller halfbody 5012 are generally
It is integrally formed, its material is plastic material.
As is illustrated by figs. 11 and 12, the yoke cylinder 506 and magnet ring cylinder 507 are set with and are fixed on path pipeline section and magnet ring
The external diameter of cylinder 507 is equal with the external diameter of big footpath cylinder section 5021, the peripheral dimension one of so whole magnet ring cylinder 507 and large-diameter pipe section
Cause, be easily installed in separation sleeve 7.The end of the magnet ring cylinder 507 is provided with embedded convex in the embedding hole 504 of the embedded reinforcement
Foot 5071, in the present embodiment, the bottom of magnet ring cylinder 507 is provided with embedded convex foot 5071, is embedded in and strengthens in embedding hole 504, magnet ring
The upper end of cylinder 507 is equally also provided with embedded convex foot 5071, and the bottom of large-diameter pipe section is provided with and is embedded in convex foot with this
The embedding mouth of reinforcement of 5071 matchings.
Again as shown in Figure 10, at least one convex platform 5023 for inwardly protruding out is provided with the endoporus of the connecting cylinder 502
Arrange for multiple and even circumferential with the quantity of at least one lower convex platform 5024, preferred convex platform 5023 and lower convex platform 5024,
Corresponding, the upper end of the wear-resisting lubrication inserts 505 is provided with the upper breach 5054 with the corresponding matching of convex platform 5023, described resistance to
The lower end of tribology cunning inserts 505 is provided with the lower breach 5055 with the corresponding matching of lower convex platform 5024.So, wear-resisting lubrication inserts
Dislocation is not susceptible between 505 and connecting cylinder 502.Wear-resisting lubrication inserts 505 is made using graphite material, and the wear-resisting lubrication is embedding
It is provided with least one axial notch 5052 in the centre bore 5051 of part 505, the axial notch 5052 is axially through in described
Heart hole 5051, in the present embodiment, the quantity of axial notch 5052 is three, and the upper surface of the wear-resisting lubrication inserts 505 is with
End face is respectively arranged with upper diversion groove 5053 and the lower diversion groove 5056 that the top and bottom of axial notch 5052 are connected.On
Diversion groove 5053 and lower diversion groove 5056 facilitate impurity to enter in axial notch 5052, it is to avoid impurity enters into centre bore
Rotor assembly 55 is caused to rotate between 5051 and the mating surface of centre of location axle 701 not smooth.Certainly, impurity is also convenient for stream
Dynamic water channel flows out.
As shown in figs. 3 and 10, the lower surface of the wear-resisting lubrication inserts 505 is higher than the lower surface of connecting cylinder 502, described
Inserting chamber, the fluid on the separation sleeve 7 are constituted between the lower surface of wear-resisting lubrication inserts 505 and the endoporus of connecting cylinder 502
The inserting projection 704 of the insertion inserting intracavity, the upper end of the inserting raised 704 and wear-resisting lubrication are provided with chamber 706
Lower gasket 11 is provided between inserts 505, between the bottom of the fluid chamber 706 and reinforcement connecting plate 503 impurity is provided with
Accommodating chamber 705.Upper gasket 10 and circlip 9 are installed between lower impeller body 5012 and centre of location axle 701, rotor is limited total
Into 55 axial float.
It is to realize being integrally formed by the way of injection that above-mentioned rotor assembly 55 is overall, wherein upper impeller body 5011 is single
Type is alone become, upper impeller body 5011, lower impeller body 5012 and connecting cylinder 502 are plastic material, and magnet ring cylinder 507 is using bonding neodymium
Ferrum boron, note is put in lower impeller body 5012, the injection moulding process of connecting cylinder 502 by yoke cylinder 506 and wear-resisting lubrication inserts 505
In mould, while by Agglutinate neodymium-iron-boron powder compacting magnet ring cylinder 507.
As shown in Fig. 3, Fig. 4, Fig. 6, Fig. 7 and Fig. 8, the field frame assembly 4 include iron core 402 and be wrapped in iron core 402 and
With the insulator 401 of the form fit of iron core 402, stator winding is wound with the insulator 401, eliminate in figure stator around
Group, the upper end of the insulator 401 is provided with the hangers 4011 of several circumference uniform distributions, the hangers 4011 and insulator
Coiling breach 4012 is provided between 401 upper surface, the hangers 4011 for L-type hangers 4011, the hangers 4011 it is convenient with
The upper end of shell body 1 coordinates, and the convenient spacing for determining each part.The lower end of the insulator 401 is arranged also inserting
Embedding foot 4014, arranging on corresponding pcb board 6 also has and inserts the embedding hole of fixation that the embedding inserting of foot 4014 coordinates, the iron core 402
Lower end is provided with the ground terminal 4021 being connected with pcb board 6.Connection terminal 103 on the patch plug 102 of the bottom of shell body 1 is inserted
To enter electrically connected with pcb board 6 on pcb board 6.Iron core 402 is formed for silicon steel sheet is superposed.Wrap in the injection moulding process of insulator 401
The salient pole of the whole iron core 402 of cloth-wrapper.
The convenient positioning recess 4013 with automatic coil winding machine location fit is provided with the upper surface of the insulator 401,
The quantity of positioning recess 4013 is three and circumference uniform distribution, and the bottom of insulator 401 is provided with and facilitates what stator winding was passed through
The embedding mouth 4015 of threading, the enamel-covered wire for facilitating stator winding is passed through.
As shown in Figure 3 and Figure 5, the heat abstractor 3 includes radiating seat 301, sealing ring 302, heat-conducting pad 303 and heat conduction
Tabletting 304, the bottom of the shell body 1 is provided with installation through-hole, and the heat conduction tabletting 304 is arranged inside shell body 1, heat conduction
The size of tabletting 304 is more than installation through-hole, and the radiating seat 301 is arranged at the outside of shell body 1 and between heat conduction tabletting 304
Securing member is fixed and compresses the heat-conducting pad 303, and heat-conducting pad 303 facilitates leads between heat conduction tabletting 304 and radiating seat 301
Heat, the sealing ring 302 is installed between the bottom of radiating seat 301 and shell body 1, the heat conduction tabletting 304 and pcb board 6 it
Between be provided with heat-conducting glue.
The radiating seat 301 includes the radiating bottom plate 3011 of camber and is arranged at the heat radiating fin of the bottom of radiating bottom plate 3011
Piece 3012, the radiating fin 3012 adopts multicolumn matrix annular array, enhances the heat dispersion of fin, the radiating bottom plate
Embedded raised 3013 are provided with 3011, the bottom of the heat conduction tabletting 304 is provided with screw hole column 3041, the embedded projection
The screw hole column groove 3014 of the matching of screw hole column 3041 is provided with 3013, the sealing ring 302 is sleeved on embedded raised 3013,
Described embedded raised 3013 fill in the installation through-hole and fix with the screw of heat conduction tabletting 304, and the bottom of the shell body 1 sets
It is equipped with waterproof vent valve 101.Outside of the radiating seat 301 in shell body 1, pcb board 6 passes through heat-conducting glue, heat conduction tabletting 304, leads
Heat pad piece 303 passes to the radiating seat 301 of outside, and the area of dissipation of radiating seat 301 is big, and heat is directly transferred to the outer of shell body 1
Portion, so as to radiating effect is more preferable.
Embodiment described above is only the description to the preferred embodiment of the present invention, not as the limit to the scope of the invention
Fixed, on the basis of without departing from design spirit of the present invention, the various modifications made to technical solution of the present invention and transformation all should fall
Enter in the protection domain of claims of the present invention determination.
Claims (10)
1. a kind of brushless electronic water pump, including the shell body, separation sleeve and upper lid that are detachably fixed, the separation sleeve and shell body
Between constitute installation chamber, constitute fluid chamber between the separation sleeve and upper lid, the fluid chamber and chamber is installed
Separate, the installation within the chamber is fixed with field frame assembly and pcb board, is rotatablely equipped with the fluid chamber total with stator
Into the rotor assembly for coordinating, on the upper lid water inlet and outlet are provided with, it is characterised in that：The rotor assembly includes leaf
The connecting cylinder of wheel bottom is taken turns and is arranged at, it is embedded with one heart in the endoporus of the connecting cylinder to be fixed with wear-resisting lubrication inserts, it is described
The centre bore being arranged concentrically with the endoporus of connecting cylinder is provided with wear-resisting lubrication inserts, the external concentric suit of the connecting cylinder is solid
Surely the external concentric suit for having yoke cylinder, yoke cylinder is fixed with magnet ring cylinder, and centre of location axle is provided with the separation sleeve, described
Centre of location axle is inserted in the centre bore, is provided with the shell body and is led hot linked heat abstractor with pcb board.
2. a kind of brushless electronic water pump as claimed in claim 1, it is characterised in that：The connecting cylinder includes being connected with each other and together
Big footpath cylinder section and path cylinder section that the heart is arranged, one end of the big footpath cylinder section is fixedly connected with wheel bottom, the path cylinder section
One end be connected with the other end of large-diameter pipe section, the other end is provided with reinforcement connecting plate, be provided with the reinforcement connecting plate plus
Strong embedding hole, the yoke cylinder and magnet ring cylinder be set be fixed on path pipeline section and the external diameter of magnet ring cylinder and big footpath cylinder section external diameter
It is equal, and the end of the magnet ring cylinder is provided with the embedded embedded convex foot strengthened in embedding hole.
3. a kind of brushless electronic water pump as claimed in claim 2, it is characterised in that：Arrange oriented on the endoporus of the connecting cylinder
At least one convex platform for inside protruding out and at least one lower convex platform, it is corresponding, it is described it is wear-resisting lubrication inserts upper end be provided with
The upper breach of convex platform corresponding matching, the lower end of the wear-resisting lubrication inserts is provided with the lower breach with lower convex platform corresponding matching.
4. a kind of brushless electronic water pump as claimed in claim 3, it is characterised in that：In the centre bore of the wear-resisting lubrication inserts
Be provided with least one axial notch, the axial notch axially through the centre bore, it is described it is wear-resisting lubrication inserts upper end
Upper diversion groove and lower diversion groove that the top and bottom that face is respectively arranged with axial notch with lower surface are connected.
5. a kind of brushless electronic water pump as claimed in claim 4, it is characterised in that：The lower surface of the wear-resisting lubrication inserts is high
In the lower surface of connecting cylinder, inserting chamber is constituted between the lower surface of the wear-resisting lubrication inserts and the endoporus of connecting cylinder, it is described
The inserting that the insertion inserting intracavity is provided with fluid chamber on separation sleeve is raised, the raised upper end of the inserting with it is wear-resisting
Lower gasket is provided between lubrication inserts, between the bottom of the fluid chamber and reinforcement connecting plate impurity accommodating chamber is provided with.
6. a kind of brushless electronic water pump as described in any one of claim 1 to 5, it is characterised in that：The field frame assembly includes
Iron core and the insulator for being wrapped in iron core and matching with core configuration, are wound with stator winding, the insulation on the insulator
The upper end of body is provided with the hangers of several circumference uniform distributions, coiling is provided between the hangers and the upper surface of insulator and is lacked
Mouthful, the lower end of the insulator is arranged also the embedding foot of inserting, and arranging on corresponding pcb board also has and insert what embedding foot inserting coordinated
The embedding hole of fixation, the lower end of the iron core is provided with the ground terminal being connected with pcb board.
7. a kind of brushless electronic water pump as claimed in claim 6, it is characterised in that：It is provided with the upper surface of the insulator
The convenient positioning recess with automatic coil winding machine location fit, the bottom of insulator is provided with the threading for facilitating stator winding to pass through
Embedding mouth.
8. a kind of brushless electronic water pump as claimed in claim 7, it is characterised in that：The heat abstractor includes radiating seat, close
Seal, heat-conducting pad and heat conduction tabletting, the bottom of the shell body is provided with installation through-hole, and the heat conduction tabletting is arranged at shell
Internal portion, the radiating seat is arranged at the outside of shell body and securing member is fixed and by the heat-conducting pad between heat conduction tabletting
Compress, the sealing ring is installed between radiating seat and the bottom of shell body, is provided between the heat conduction tabletting and pcb board and leads
Hot glue.
9. a kind of brushless electronic water pump as claimed in claim 8, it is characterised in that：The radiating seat includes the radiating bottom of arc
Plate and the radiating fin for being arranged at radiating bottom plate bottom, are provided with embedded projection on the radiating bottom plate, the heat conduction tabletting
Bottom is provided with screw hole column, and the screw hole column groove of screw hole column matching is provided with the embedded projection, and the ring set exists
In embedded projection, the embedded projection is filled in the installation through-hole and fixed with heat conduction tabletting screw, the bottom of the shell body
Portion is provided with waterproof vent valve.
10. a kind of brushless electronic water pump as claimed in claim 9, it is characterised in that：The impeller include lower impeller halfbody and
Upper impeller halfbody, the lower impeller halfbody is integrally formed with the connecting cylinder, is provided with the upper surface of the lower impeller halfbody
Several blade grooves, are provided with least one mortise on each blade groove, if being provided with the lower surface of upper leaf wheel halfbody
Dry and the one-to-one blade of blade groove, are provided with and the one-to-one tenon of mortise on the blade, upper leaf wheel half
Intake tunnel is provided with body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710009706.8A CN106640681B (en) | 2017-01-06 | 2017-01-06 | Brushless electronic water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710009706.8A CN106640681B (en) | 2017-01-06 | 2017-01-06 | Brushless electronic water pump |
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| Publication Number | Publication Date |
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| CN106640681A true CN106640681A (en) | 2017-05-10 |
| CN106640681B CN106640681B (en) | 2023-12-22 |
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ID=58843392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710009706.8A Active CN106640681B (en) | 2017-01-06 | 2017-01-06 | Brushless electronic water pump |
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| Country | Link |
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| CN (1) | CN106640681B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106996388A (en) * | 2017-06-06 | 2017-08-01 | 苏州市玄天环保科技有限公司 | A kind of Impeller Pumps with Active Magnetic Bearings of sewage disposal device |
| CN108644127A (en) * | 2018-07-11 | 2018-10-12 | 浙江融兴电动科技有限公司 | A kind of water-cooled brshless DC motor water pump |
| CN109067068A (en) * | 2018-08-27 | 2018-12-21 | 中船重工电机科技股份有限公司 | A kind of compression-resistant structure of deep water propulsion electric machine |
| CN114033712A (en) * | 2021-12-03 | 2022-02-11 | 纬湃汽车电子(芜湖)有限公司 | Electronic water pump, thermal management system and vehicle |
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| CN201032280Y (en) * | 2006-10-25 | 2008-03-05 | 谢帮华 | Controlled silicon temperature control structure of water heater |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106996388A (en) * | 2017-06-06 | 2017-08-01 | 苏州市玄天环保科技有限公司 | A kind of Impeller Pumps with Active Magnetic Bearings of sewage disposal device |
| CN108644127A (en) * | 2018-07-11 | 2018-10-12 | 浙江融兴电动科技有限公司 | A kind of water-cooled brshless DC motor water pump |
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| CN114033712A (en) * | 2021-12-03 | 2022-02-11 | 纬湃汽车电子(芜湖)有限公司 | Electronic water pump, thermal management system and vehicle |
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| Publication number | Publication date |
|---|---|
| CN106640681B (en) | 2023-12-22 |
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Address after: No. 8, Xinfeng Hexi Road, Tangshi, Yangshe Town, Zhangjiagang City, Suzhou City, Jiangsu Province 215600 Applicant after: Jiangsu Langxin Electric Co.,Ltd. Address before: Jiangsu Langxin Electric Co., Ltd., No. 2, Fuxin Road, Yangshe Town, Zhangjiagang City, Suzhou City, Jiangsu Province, 215600 Applicant before: JIANGSU LANGXIN ELECTRIC Co.,Ltd. |
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