CN205876729U - Electric water pump - Google Patents
Electric water pump Download PDFInfo
- Publication number
- CN205876729U CN205876729U CN201620497352.7U CN201620497352U CN205876729U CN 205876729 U CN205876729 U CN 205876729U CN 201620497352 U CN201620497352 U CN 201620497352U CN 205876729 U CN205876729 U CN 205876729U
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- CN
- China
- Prior art keywords
- water pump
- rotor
- electric water
- sensor
- pump
- 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.)
- Expired - Fee Related
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses an electric water pump, this electric water pump includes: the pump body, the pump body includes upper cover, midbody, lower cover, water inlet, delivery port, rotor, stator, sensor, impeller and pump shaft, water inlet and delivery port are located the upper cover, rotor and pump shaft are located the inside intermediate position of midbody, and retaining ring and pad connection are passed through to rotor upper end and pump shaft top, are equipped with stator and sensor in the rotor inboard, and the stator is connected with the sensor, and upper cover and midbody pass through first screw and sealing washer fixed connection, install impeller is at the rotor top, a motor housing is also provided, an, inside motor casing was located the midbody, motor casing linked to each other with the rotor outward flange, the PCB board, the PCB board passes through second screw fixed connection with the stator, and the sensor is located the PCB board, the inferior valve is connected through two butts with the midbody, the terminal is connected with the PCB board. This electric water pump simple structure, reasonable in design, the radiating effect is good.
Description
Technical field
This utility model relates to transmitter water pump field, particularly a kind of electric water pump.
Background technology
Available engine uses belt driven type water pump structure mostly, and water pump pulley is coaxially disposed with pump shaft, water pump
Axle is arranged in water pump body.Under water-pump belts wheel drive, pump shaft rotates together, band rotary impeller rotate so that cooling water from
Pump intake is inhaled into, and produces high pressure at water pump high pressure chest, finally discharges from pump outlet.Existing belt water pump is tied
Structure arranges complexity, and cooling effectiveness is low, it is impossible to well reach to cool down supercharger and the system of giving and the effect of battery heat radiation.
Utility model content
This utility model provides a kind of electric water pump, complicated to solve existing belt driven type water pump structure, cooling effectiveness
Low shortcoming.
The concrete technical scheme that this utility model is used is:
A kind of electric water pump, this electric water pump includes:
The pump housing, the described pump housing includes upper cover, intermediate, lower cover, water inlet, outlet, rotor, stator, sensor, impeller
And pump shaft, described water inlet and outlet be positioned at upper cover, and described rotor and pump shaft are positioned at intermediate bosom position, on rotor
End is connected by back-up ring and pad with pump shaft top, is provided with stator and sensor, stator and sensor and connects inside rotor, on
Covering and be connected by the first screw and sealing ring are fixing with intermediate, described impeller is arranged on rotor top；
Electric machine casing, described electric machine casing is positioned at inside intermediate, and electric machine casing is connected with rotor outward flange；
Pcb board, described pcb board is connected by the second screw is fixing with stator, and sensor is positioned on pcb board；
Described lower cover is connected by two butt with intermediate, and described terminal is connected with pcb board.
Further, the running voltage of described electric water pump is 9V-16V.
Further, the operating current of described electric water pump is 1.5A-2.5A.
Further, the motor that described electric machine casing uses is brshless DC motor.
Further, described sensor is position sensor.
Further, described first screw is four, and described second screw is one.
Further, described impeller is backward leaning vane.
The Advantageous Effects that this utility model is brought is: this electric water pump uses brshless DC motor, and structure designs
Simply, main uses is: for the cooling of the turbocharged engine vehicle turbocharger of below 1.8T；For pure electronic vapour
Car or power battery for hybrid electric vehicle heat radiation, power drive system heat radiation.Efficiency is high, advantage easy to use.
Accompanying drawing explanation
The overall structure schematic diagram of Fig. 1: this utility model electric water pump.
The plan structure schematic diagram of Fig. 2: this utility model electric water pump.
Fig. 3: the cross-sectional view of this utility model electric water pump.
In accompanying drawing, label is entitled: 1, upper cover, and 2, rotor, the 3, first screw, 4, electric machine casing, 5, sealing ring, 6, stator,
7, insulating lid, 8, terminal support, 9, sensor, 10, pcb board, 11, the first terminal, 12, lower cover, the 13, second terminal, 14, second
Screw, 15, pad, 16 back-up rings, 17, pump shaft, 18, outlet, 19, impeller, 20, intermediate, 21, water inlet.
Detailed description of the invention
Below with reference to drawings and Examples, this utility model is described further, but this reality should not limited with this
With novel protection domain.
For convenience of explanation and understand that the noun of locality that the technical solution of the utility model, following description used is all with attached
The orientation that figure is shown is as the criterion.
Embodiment one
Refer to shown in Fig. 1, Fig. 1 is the overall structure schematic diagram of this electric water pump, and this electric water pump includes: upper cover 1,
One screw 3, lower cover 12, outlet 18, intermediate 20, water inlet 21, assembled by upper cover 1, intermediate 20, lower cover 12 successively and
Becoming, this electric water pump upper cover 1 is provided with water inlet 21 and outlet 18, and in figure, direction shown in arrow is the flow direction of water pump.Upper cover 1
It is connected by the first screw 3 is fixing with between intermediate 20.
As in figure 2 it is shown, be the plan structure schematic diagram of electric water pump, upper cover 1 top is provided with impeller 19, and this impeller 19 includes
Four backward leaning vanes.
As it is shown on figure 3, be the cross-sectional view of electric water pump, inside this electric water pump, it is provided with rotor 2, electric machine casing
4, sealing ring 5, stator 6, insulating lid 7, terminal support 8, sensor 9, pcb board 10, the first terminal the 11, second terminal 13, second
Screw 14, pad 15, back-up ring 16, pump shaft 17, impeller 19, rotor 2 and pump shaft 17 are positioned at intermediate 20 bosom position, rotor
2 upper ends are connected by back-up ring 16 and pad 15 with pump shaft 17 top, are provided with stator 6 and sensor 9, this sensing inside rotor 2
Device 9 is position sensor, and stator 6 and sensor 9 connect, and upper cover 1 is fixed by the first screw 13 and sealing ring 5 with intermediate 20
Connecting, impeller 19 is arranged on the top of rotor 2, and it is internal that electric machine casing 4 is positioned at intermediate 20, electric machine casing 4 and turn 2 sub-outward flanges
Being connected, pcb board 10 is connected by the second screw 14 is fixing with stator 6, and sensor 9 is positioned on pcb board 10, lower cover 12 and intermediate
20 are connected by two second terminals 13, and the second terminal 13 is connected with pcb board 10.
Wherein being connected by insulating lid 7 between sensor 9 with stator 6, pcb board 10 is additionally provided with the first terminal 11, this is the years old
One terminal 11 is connected by terminal support 8 with insulating lid 7, and pcb board 10 is provided with drive circuit and the control controlling motor work
Circuit.
The running voltage of this electric water pump is 9V-16V, and the operating current of electric water pump is 1.5A-2.5A, electric machine casing 4
The motor used is brshless DC motor, and wherein the first screw 3 is four, and the second screw 14 is one.
The operation principle of this electric water pump: after electric water pump is energized, when water pump vane rotates, the coolant in water pump
Driven by impeller and rotate together, and be thrown toward the edge of water pump cover under the influence of centrifugal force, produce certain pressure simultaneously,
Then flow out from outlet pipe.In the center of impeller, owing to coolant is thrown out of, pressure declines, and the coolant in radiator exists
Impeller central is flowed into through water inlet pipe under exit of pump and the differential pressure action of impeller central.Impeller is by cast iron or plastics manufacture, impeller
On generally have 6-8 straight radial blade or backward leaning vane.Water pump cover is cast system, inlet tube and outlet tube and water pump cover by cast iron or aluminum
Cast solid.It is high that this electric water pump has efficiency, advantage easy to use.
The implication of " inside and outside " described herein refers to relative to equipment itself, the side within sensing equipment
To for interior, otherwise it is outward.
The implication of " connection " described herein can be being directly connected between parts can also be to pass through between parts
Being indirectly connected with of other parts.
The announcement of book and teaching according to the above description, the technology person of entering of this utility model art can also be to above-mentioned reality
The mode of executing changes and revises.Therefore, this utility model is not limited to detailed description of the invention disclosed and described above, right
Modifications and changes more of the present utility model should also be as falling in scope of the claims of the present utility model.Additionally, to the greatest extent
Pipe this specification employs some specific terms, but these terms are merely for convenience of description, not to this utility model
Constitute any restriction.
Claims (7)
1. an electric water pump, it is characterised in that this electric water pump includes:
The pump housing, the described pump housing includes upper cover, intermediate, lower cover, water inlet, outlet, rotor, stator, sensor, impeller and pump
Axle, described water inlet and outlet be positioned at upper cover, and described rotor and pump shaft are positioned at intermediate bosom position, rotor upper end with
Pump shaft top is connected by back-up ring and pad, is provided with stator and sensor, stator and sensor and connects inside rotor, upper cover with
Intermediate connects by the first screw and sealing ring are fixing, and described impeller is arranged on rotor top；
Electric machine casing, described electric machine casing is positioned at inside intermediate, and electric machine casing is connected with rotor outward flange；
Pcb board, described pcb board is connected by the second screw is fixing with stator, and sensor is positioned on pcb board；
Described lower cover is connected by two butt with intermediate, and described terminal is connected with pcb board.
A kind of electric water pump the most according to claim 1, it is characterised in that: the running voltage of described electric water pump is 9V-
16V。
A kind of electric water pump the most according to claim 1, it is characterised in that: the operating current of described electric water pump is
1.5A-2.5A。
A kind of electric water pump the most according to claim 1, it is characterised in that: the motor that described electric machine casing uses is brushless
Direct current generator.
A kind of electric water pump the most according to claim 1, it is characterised in that: described sensor is position sensor.
A kind of electric water pump the most according to claim 1, it is characterised in that: described first screw is four, described second
Screw is one.
A kind of electric water pump the most according to claim 1, it is characterised in that: described impeller is backward leaning vane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620497352.7U CN205876729U (en) | 2016-05-26 | 2016-05-26 | Electric water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620497352.7U CN205876729U (en) | 2016-05-26 | 2016-05-26 | Electric water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205876729U true CN205876729U (en) | 2017-01-11 |
Family
ID=57688885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620497352.7U Expired - Fee Related CN205876729U (en) | 2016-05-26 | 2016-05-26 | Electric water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205876729U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021199011A1 (en) * | 2020-04-03 | 2021-10-07 | Padmini Vna Mechatronics Pvt. Ltd. | An improved electric water pump with split housing assembly |
| WO2022043972A1 (en) * | 2020-08-31 | 2022-03-03 | Padmini Vna Mechatronics Ltd. | An electric water pump with improved magnet shape |
-
2016
- 2016-05-26 CN CN201620497352.7U patent/CN205876729U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021199011A1 (en) * | 2020-04-03 | 2021-10-07 | Padmini Vna Mechatronics Pvt. Ltd. | An improved electric water pump with split housing assembly |
| WO2022043972A1 (en) * | 2020-08-31 | 2022-03-03 | Padmini Vna Mechatronics Ltd. | An electric water pump with improved magnet shape |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170111 Termination date: 20200526 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |