CN108131299A - Electronic water pump - Google Patents
Electronic water pump Download PDFInfo
- Publication number
- CN108131299A CN108131299A CN201711120945.7A CN201711120945A CN108131299A CN 108131299 A CN108131299 A CN 108131299A CN 201711120945 A CN201711120945 A CN 201711120945A CN 108131299 A CN108131299 A CN 108131299A
- Authority
- CN
- China
- Prior art keywords
- driving plate
- water pump
- plate
- port plate
- rotor
- 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
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 75
- 238000005086 pumping Methods 0.000 claims abstract description 24
- 238000009434 installation Methods 0.000 claims abstract description 14
- 125000006850 spacer group Chemical group 0.000 claims description 14
- 238000007789 sealing Methods 0.000 claims description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 229910002804 graphite Inorganic materials 0.000 claims description 5
- 239000010439 graphite Substances 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 4
- 239000002826 coolant Substances 0.000 abstract description 7
- 230000017525 heat dissipation Effects 0.000 abstract description 5
- 238000004804 winding Methods 0.000 abstract description 3
- 238000001816 cooling Methods 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 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
- F04D29/08—Sealings
- F04D29/086—Sealings 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
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps 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
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/586—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps
- F04D29/5893—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps heat insulation or conduction
-
- 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
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
- F04D29/628—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for liquid pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of electronic water pumps, including pump case, rotor, stator, pump impeller and driving plate, rotor, stator and water pumping impeller are mounted in pump case, the water pump for being separated out front and rear setting each other inside pump case by port plate pumps room and motor cavity, stator and rotor are located in motor cavity, it pumps impeller and is located at water pump water pumping interior, the mandrel of rotor is pumped across port plate transfer tube water impeller, driving plate is arranged on the rear end face of port plate, for by the heat transfer that driving plate generates to port plate.Driving plate is arranged on the rear end face of port plate by the present invention, using coolant rate in water pump vane working chamber it is big the characteristics of, quickly and efficiently take away the heat that driving plate distributes, thus efficiently solve the heat dissipation problem of driving plate；Port plate, using split structure, dexterously solves the connection of driving plate and three-phase stator winding, improves the installation effectiveness of driving plate, realize and produce in enormous quantities convenient for whole machine installation with nose shell.
Description
Technical field
The present invention relates to electronic water pump field, especially a kind of good electronic water pump of heat dissipation.
Background technology
Great-power electronic pump working electric current is big, and heating power is big in the running, even if complete machine reaches not yet at normal temperatures
To thermal equilibrium state, the temperature of electronic component has exceeded workable safe temperature range, along with use environment temperature compared with
Height, the service life of electronic water pump will substantially reduce, it is likely that burn within a certain period of time, very big security risk is brought to client.
The basic postposition of the driving plate of great-power electronic water pump currently on the market is radiated using hollow axis structure.But
It is the limitation due to rotor size, causes hollow shaft size also restrained, thus the coolant for flowing cooling driving plate
Flow velocity, flow be water pump ability small part itself, after electronic water pump power ascension heat dissipation far from meet will
It asks, thus the promotion of electronic water pump power and use environment is caused to be restricted.
Invention content
The technical problem to be solved by the present invention is to：Overcome deficiency in the prior art, a kind of good electronics of heat dissipation is provided
Water pump.
The technical solution adopted by the present invention to solve the technical problems is：A kind of electronic water pump including pump case, rotor, is determined
Son pumps impeller and driving plate, rotor, stator and pumps impeller and is mounted in pump case, inside the pump case by runner every
Plate is separated out the water pump water pumping room of front and rear setting each other and motor cavity, stator and rotor are located in motor cavity, pumps impeller and is located at
Water pump pumps indoor, and the mandrel of rotor passes through the water pumping of port plate transfer tube water impeller, the driving plate be arranged on runner every
The rear end face of plate, for by the heat transfer that driving plate generates to port plate.
Heat-conducting medium is filled in gap between the driving plate and port plate.
The port plate is split structure with pump case, has sealing element between port plate and pump case.
Pump case includes preceding latter linked water pumping room housing and electric machine casing each other, pumps room housing and port plate surrounds water
Pump pumps room, and driving plate is mounted on the front end of electric machine casing.
Nose shell annular in shape is equipped between the electric machine casing and water pumping room housing, driving plate passes through on nose shell inner wall
Mounting structure be mounted on nose shell, port plate and nose shell are split structure, and connector is equipped on nose shell
Component, the metal contact of connector assembly are electrically connected with driving plate.
There is the spacer that stator and rotor are isolated, pumping has positioning table in room housing in the electric machine casing
Three convex blocks are along the circumferential direction distributed on the inner wall of the nose shell in rank, pump the positioning step and nose shell of room housing
The front end face of three convex blocks withstands on the front end face and rear end face of port plate respectively, and installation positioning is carried out to port plate；Convex block
Installation screw is equipped with, the screw that driving plate is fixed on to convex block rear end face is bolted in installation screw.
The rear end face of the port plate have boss, driving plate in a ring, boss pass through driving plate after with before spacer
End is tightly connected, and the electric machine casing back-end sealing is connected with end cap, and spacer rear end is connect with end cap seal, the core of the rotor
Axis passes through port plate transfer tube water impeller to pump at boss.
The boss rear end is equipped with annular groove, and the spacer front end is caught in boss annular groove and is sealed with ring slot outside face
Connection, the runner housing forward end are provided at least two permeable holes for connecting annular groove with water pump water pumping room.
Bearing hole is respectively equipped on the boss and end cap, is respectively fixed in two bearings hole for rotational support mandrel
Graphite bearing.
The nose shell is tightly connected respectively with pumping room housing, port plate and electric machine casing, and nose shell pumps room shell
If body and electric machine casing three are connected by circumferentially uniformly distributed bolt stem.
The beneficial effects of the invention are as follows：Driving plate is arranged on the rear end face of port plate by the present invention, utilizes water pump vane
The characteristics of coolant rate is big in working chamber quickly and efficiently takes away the heat that driving plate distributes, makes electronic component in driving plate
Temperature and coolant temperature difference less and far below the safe handling upper limit of electronic component, thus efficiently solve driving
The heat dissipation problem of plate improves the range of security application under great-power electronic water pump complete machine hot environment, extends driving plate
Service life；Port plate, using split structure, dexterously solves the company of driving plate and three-phase stator winding with nose shell
It connects, improves the installation effectiveness of driving plate, realize and produce in enormous quantities convenient for whole machine installation；Using O-ring seal by water body part
It is isolated with non-aqueous body portion, effectively prevents the intrusion of contact and outside water and dust of the driving plate with coolant.
Description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is the structure diagram of the present invention；
Fig. 2 is the explosive view of driving plate of the present invention；
Fig. 3 is the scheme of installation of driving plate of the present invention.
In figure:1. driving plate；2. pump impeller；3. mandrel；4. electric machine casing；5. pump room housing；6. port plate；7.
Water pump pumps room；8. water inlet；9. heat-conducting medium；10. nose shell；11. connector assembly；12. rotor；13. stator；14. end
Lid；15. spacer；16. annular groove；17. permeable hole；18. graphite bearing；19. card slot；20. positioning step；21. convex block；It is 22. convex
Platform；23. motor cavity.
Specific embodiment
Presently in connection with attached drawing and preferred embodiment, the present invention is further illustrated.These attached drawings are simplified signal
Figure only illustrates the basic structure of the present invention, therefore it only shows composition related to the present invention in a schematic way.
A kind of electronic water pump as shown in Figure 1,2 and 3 including pump case, rotor 12, stator 13, pumps impeller 2 and driving plate
1, rotor 12, stator 13 and water pumping impeller 2 are mounted in pump case, are separated out each other by port plate 6 inside the pump case
The water pump of front and rear setting pumps room 7 and motor cavity 23, stator 13 and rotor 12 are located in motor cavity 23, and driving plate 1 drives stator
13 form magnetic field, and rotor 12 is driven to rotate；Pump impeller 2 and be located at water pump and pump in room 7, the mandrel 3 of rotor 12 across runner every
6 transfer tube water impeller 2 of plate pumps；The driving plate 1 is arranged on the rear end face of port plate 6, for generate driving plate 1
Heat transfer is to port plate 6.
Filled with heat-conducting medium 9 in gap between the driving plate 1 and port plate 6, heat-conducting medium 9 is thermal conductive silicon
Fat, the heat that driving plate 1 distributes are pumped the coolant of flowing in room 7 by water pump after being conducted by heat-conducting silicone grease to port plate 6
It takes away, realizes the cooling of driving plate 1.
The port plate 6 is split structure with pump case, has sealing element between port plate 6 and pump case；Runner
Partition board 6 and pump case can also be integral structures.
Pump case includes preceding latter linked water pumping room housing 5 and cricoid electric machine casing 4 each other, pumps room housing 5 and runner
Partition board 6 surrounds water pump and pumps room 7, and driving plate 1 is mounted on the front end of electric machine casing 4；Water pump pumps room 7 respectively with being arranged on pump
The water inlet 8 at 5 top of hydroecium housing is connected with the water outlet (not shown) for being arranged on 5 side of water pumping room housing.
Nose shell 10 annular in shape is equipped between the electric machine casing 4 and water pumping room housing 5, driving plate 1 passes through nose shell
Mounting structure on 10 inner walls is mounted on nose shell 10, and port plate 6 is split structure with nose shell 10, in nose shell 10
On be sealed and installed with connector assembly 11, the metal contact of connector assembly 11 is electrically connected with driving plate 1.
There is the spacer 15 that stator 13 and rotor 12 are isolated, pumping has in room housing 5 in the electric machine casing 4
Three convex blocks 21 are along the circumferential direction distributed on the inner wall of the nose shell 10 for positioning step 20, pump the positioning table of room housing 5
The front end face of three convex blocks 21 of rank 20 and nose shell 10 withstands on the front end face and rear end face of port plate 6 respectively, to runner every
Plate 6 carries out installation positioning；Convex block 21 is equipped with installation screw, is bolted in installation screw after driving plate 1 is fixed on convex block 21
The screw of end face.
The rear end face of the port plate 6 have boss 22, driving plate 1 in a ring, boss 22 pass through driving plate 1 after with
15 forward end seal of spacer connects, and 4 rear end of electric machine casing is sealedly connected with end cap 14,15 rear end of spacer by O-ring seal
It is tightly connected by O-ring seal and end cap 14, the mandrel 3 of the rotor 12 passes through 6 transfer tube of port plate at boss 22
Water impeller 2 pumps.
22 rear end of boss is equipped with annular groove 16, and 15 front end of spacer is caught in 22 annular groove 16 of boss by O-shaped
Sealing ring is tightly connected with 16 lateral surface of annular groove, and there are four pump annular groove 16 and water pump for the runner housing forward end setting
The permeable hole 17 that room 7 connects.
Bearing hole is respectively equipped on the boss 22 and end cap 14, is respectively fixed in two bearings hole for rotational support core
The graphite bearing 18 of axis 3.
The coolant that water pump is pumped in room 7 pass sequentially through permeable hole 17 and annular groove 16 enter in 15 endoporus of spacer realize it is cold
But the target of 12 and two graphite bearing 18 of rotor.
The nose shell 10 is connected respectively by O-ring seal with pumping room housing 5, port plate 6 and the sealing of electric machine casing 4
It connects, if nose shell 10, water pumping room housing 5 and 4 three of electric machine casing are connected by circumferentially uniformly distributed bolt stem.
10 inner hole wall of nose shell is equipped with card slot 19, and 6 lateral surface of port plate is equipped with the raised line to match with card slot 19 (in figure
Do not show), during assembling, the raised line of runner housing 6 is caught in the card slot 19 of nose shell 10, realizes the circumferentially positioned of port plate 6.
When driving plate 1 is installed, driving plate 1 is put into 10 endoporus of nose shell, before then driving plate 1 is fixed on screw
On the rear end face of 10 3 convex blocks 21 of end housing；Connector assembly 11 is mounted on nose shell 10 again, by connector assembly 11
Metal contact is welded to connect with the welding piece in driving plate 1, and realization connector assembly 11 is electrically connected with driving plate 1；It is right
Nose shell 10 and electric machine casing 4 are connect, three conductive sheets on the stator 13 in electric machine casing 4 are inserted into respectively and are arranged on
It is welded in three welding holes in driving plate 1, realization driving plate 1 is electrically connected with stator 13；Then in 1 front end of driving plate
Heat-conducting silicone grease is spread in face, and 6 rear end of port plate is inserted into 10 front end endoporus of nose shell, makes 6 rear end of port plate and nose shell
The front end face of three convex blocks 21 offsets on 10, then installs other parts again；Port plate 6 is with nose shell 10 using split type
Structure dexterously solves the connection of driving plate 1 and 13 three-phase windings of stator, improves the installation effectiveness of driving plate 1.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar can understand present disclosure and be implemented, and it is not intended to limit the scope of the present invention, all according to the present invention
The equivalent change or modification that Spirit Essence is made should all cover within the scope of the present invention.
Claims (10)
1. a kind of electronic water pump including pump case, rotor (12), stator (13), pumps impeller (2) and driving plate (1), rotor
(12), stator (13) and water pumping impeller (2) are separated out that inside the pump case in pump case by port plate (6)
This front and rear water pump set pumps room (7) and motor cavity (23), stator (13) and rotor (12) in motor cavity (23), pumps
Impeller (2) is pumped positioned at water pump in room (7), and the mandrel (3) of rotor (12) is pumped across port plate (6) transfer tube water impeller (2)
Water, it is characterized in that：The driving plate (1) is arranged on the rear end face of port plate (6), for the heat for generating driving plate (1)
Amount is transferred to port plate (6).
2. electronic water pump according to claim 1, it is characterized in that：Between the driving plate (1) and port plate (6)
Heat-conducting medium (9) is filled in gap.
3. electronic water pump according to claim 1, it is characterized in that：The port plate (6) is split type knot with pump case
Structure, port plate (6) have sealing element between pump case.
4. electronic water pump according to claim 3, it is characterized in that：Pump case includes preceding latter linked water pumping room housing each other
(5) it surrounds water pump with electric machine casing (4), water pumping room housing (5) and port plate (6) and pumps room (7), driving plate (1) is mounted on
The front end of electric machine casing (4).
5. electronic water pump according to claim 4, it is characterized in that：Between the electric machine casing (4) and water pumping room housing (5)
Equipped with nose shell (10) annular in shape, driving plate (1) is mounted on nose shell by the mounting structure on nose shell (10) inner wall
(10) on, port plate (6) is split structure with nose shell (10), and connector assembly is equipped on nose shell (10)
(11), the metal contact of connector assembly (11) is electrically connected with driving plate (1).
6. electronic water pump according to claim 5, it is characterized in that：Have stator (13) in the electric machine casing (4) and
The spacer (15) that rotor (12) is isolated, pumping has positioning step (20) in room housing (5), the nose shell (10) it is interior
Three convex blocks (21), the positioning step (20) of water pumping room housing (5) and the three of nose shell (10) are along the circumferential direction distributed on wall
The front end face of a convex block (21) withstands on the front end face and rear end face of port plate (6) respectively, and it is fixed that port plate (6) install
Position；Convex block (21) is equipped with installation screw, and the spiral shell that driving plate (1) is fixed on to convex block (21) rear end face is bolted in installation screw
Nail.
7. electronic water pump according to claim 6, it is characterized in that：The rear end face of the port plate (6) has boss
(22), in a ring, boss (22) is connect driving plate (1) with spacer (15) forward end seal afterwards across driving plate (1), the motor casing
Body (4) back-end sealing is connected with end cap (14), and spacer (15) rear end is tightly connected with end cap (14), the mandrel of the rotor (12)
(3) port plate (6) transfer tube water impeller (2) is passed through to pump at boss (22).
8. electronic water pump according to claim 7, it is characterized in that：Boss (22) rear end is equipped with annular groove (16), institute
Spacer (15) front end is stated to be caught in boss (22) annular groove (16) and the sealed connection of annular groove (16) lateral surface, the runner housing
Front end is provided at least two permeable holes (17) for connecting annular groove (16) with water pump water pumping room (7).
9. electronic water pump according to claim 7 or 8, it is characterized in that：It is set respectively on the boss (22) and end cap (14)
There is bearing hole, the graphite bearing (18) for rotational support mandrel (3) is respectively fixed in two bearings hole.
10. electronic water pump according to claim 5, it is characterized in that：The nose shell (10) is respectively with pumping room housing
(5), port plate (6) and electric machine casing (4) are tightly connected, and nose shell (10) pumps room housing (5) and electric machine casing (4) three
If person is connected by circumferentially uniformly distributed bolt stem.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711120945.7A CN108131299A (en) | 2017-11-14 | 2017-11-14 | Electronic water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711120945.7A CN108131299A (en) | 2017-11-14 | 2017-11-14 | Electronic water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108131299A true CN108131299A (en) | 2018-06-08 |
Family
ID=62388558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711120945.7A Pending CN108131299A (en) | 2017-11-14 | 2017-11-14 | Electronic water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108131299A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108980063A (en) * | 2018-07-30 | 2018-12-11 | 安徽达来电机有限公司 | A kind of electronic water pump |
| CN109854540A (en) * | 2019-04-09 | 2019-06-07 | 广东骏驰科技股份有限公司 | A kind of centrifugal pump |
| CN109861459A (en) * | 2019-04-09 | 2019-06-07 | 广东骏驰科技股份有限公司 | A kind of pump motor with internal pressure cooling structure |
| CN110566516A (en) * | 2019-09-27 | 2019-12-13 | 汉宇集团股份有限公司 | Automobile electronic water pump capable of cooling circuit board |
| CN111577614B (en) * | 2020-05-07 | 2021-09-14 | 舟山巨洋技术开发有限公司 | Detachable water pump device of dish washing machine |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108980063A (en) * | 2018-07-30 | 2018-12-11 | 安徽达来电机有限公司 | A kind of electronic water pump |
| CN109854540A (en) * | 2019-04-09 | 2019-06-07 | 广东骏驰科技股份有限公司 | A kind of centrifugal pump |
| CN109861459A (en) * | 2019-04-09 | 2019-06-07 | 广东骏驰科技股份有限公司 | A kind of pump motor with internal pressure cooling structure |
| CN109861459B (en) * | 2019-04-09 | 2024-02-20 | 广东骏驰科技股份有限公司 | Water pump motor with internal forced cooling structure |
| CN109854540B (en) * | 2019-04-09 | 2024-02-20 | 广东骏驰科技股份有限公司 | Centrifugal pump |
| CN110566516A (en) * | 2019-09-27 | 2019-12-13 | 汉宇集团股份有限公司 | Automobile electronic water pump capable of cooling circuit board |
| CN111577614B (en) * | 2020-05-07 | 2021-09-14 | 舟山巨洋技术开发有限公司 | Detachable water pump device of dish washing machine |
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