CN104767325B - Water pump - Google Patents
Water pump Download PDFInfo
- Publication number
- CN104767325B CN104767325B CN201510163672.9A CN201510163672A CN104767325B CN 104767325 B CN104767325 B CN 104767325B CN 201510163672 A CN201510163672 A CN 201510163672A CN 104767325 B CN104767325 B CN 104767325B
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- CN
- China
- Prior art keywords
- water
- water pump
- aqueduct
- spiral case
- rotor assembly
- 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.)
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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
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/5806—Cooling the drive system
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/32—Rotating parts of the magnetic circuit with channels or ducts for flow of cooling medium
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
Abstract
The invention discloses a kind of water pumps, including：Shell；The rotor assembly (14) being rotatably dispose in the shell is provided through the water-cooling channel at its both ends on the rotor assembly (14)；One end of the aqueduct (10) being set to outside the shell, the aqueduct (10) is connected to one end of the water-cooling channel, and the other end of the aqueduct (10) is connected to the other end of the water-cooling channel；The power plant for driving cooling water to be flowed along the channel that the aqueduct (10) and the water-cooling channel are formed.Water pump provided by the invention, by the way that water-cooling channel is arranged in rotor assembly, again by aqueduct and power plant under the action of, so that cooling water passes through rotor assembly, the heat that motor rotation in order to take away water pump generates, improves motor radiating efficiency, reduces the temperature of motor, the efficiency of motor is effectively increased, and then improves the working efficiency of water pump.
Description
Technical field
The present invention relates to hydraulic set technical fields, more specifically to a kind of water pump.
Background technology
Water pump includes turbine and motor, under the action of motor, turbine rotation is driven, in order to the shape in the spiral case of water pump
At negative pressure, have the function that transmit external source.
But under the continued operation of water pump, the temperature of motor increases therewith, is especially located at turning for motor center position
Sub-component, temperature is higher and heat dissipation performance is bad so that the temperature of motor is higher.And the temperature of motor affects the effect of motor
Rate, and then influence the working efficiency of water pump.
In conclusion how to improve motor radiating efficiency, the working efficiency of water pump is improved, is current those skilled in the art
Urgent problem.
Invention content
In view of this, the purpose of the present invention is to provide a kind of water pump, motor radiating efficiency is improved, the work of water pump is improved
Efficiency.
In order to achieve the above object, the present invention provides the following technical solutions：
A kind of water pump, including：
Shell；
The rotor assembly being rotatably dispose in the shell, the water cooling that its both ends is provided through on the rotor assembly are logical
Road；
The aqueduct being set to outside the shell, one end of the aqueduct are connected to one end of the water-cooling channel, institute
The other end for stating aqueduct is connected to the other end of the water-cooling channel；
The power plant that driving cooling water flows along the channel that the aqueduct and the water-cooling channel are formed.
Preferably, in above-mentioned water pump, the shell includes electric machine casing and spiral case, and the power plant is to be rotatably dispose in
Turbine in the cavity of the spiral case；
One end of the aqueduct is connected to the intake tunnel of the spiral case.
Preferably, in above-mentioned water pump, shielding case is arranged between the stator module of the water pump and the rotor assembly.
Preferably, in above-mentioned water pump, side of the shielding case far from the spiral case is provided with the first spiro pluging hole, described to lead
The other end of water pipe is connected to by the first plug screw with first spiro pluging hole.
Preferably, in above-mentioned water pump, the rotor assembly is rotatably dispose in by bearing on the shielding case；
The bearing includes the first bearing positioned at side of the rotor assembly far from the spiral case, the first bearing
One end far from the spiral case is provided with the second sealing ring for sealing the rotor assembly and the shielding case.
Preferably, in above-mentioned water pump, the stator module of the water pump includes that stator and being sheathed on the outside of the stator is determined
Subrack, the stator frame coordinate with the stator.
Preferably, in above-mentioned water pump, the first sealing ring is provided between the stator frame and the electric machine casing.
Preferably, in above-mentioned water pump, shielding case, the shielding are arranged between the stator module and the rotor assembly
Cover has fixed plate close to the side of the spiral case；
The stator frame of the stator module has recess platform, the end frame of the fixed plate close to one end of the spiral case
On the recess platform.
Preferably, in above-mentioned water pump, it is provided with the first seal washer between the fixed plate and the recess platform, it is described
Spiral case and a side contacts of the fixed plate far from the recess platform.
Preferably, in above-mentioned water pump, outer wall and the electric machine casing of side of the shielding case far from the spiral case
Sealing ring is provided between inner wall.
Preferably, in above-mentioned water pump, the spiral case is provided with positioning protrusion, the electricity on one side towards the electric machine casing
Casing body is provided with positioning groove corresponding with the positioning protrusion on one side towards the spiral case.
Preferably, in above-mentioned water pump, the second seal washer is provided between the positioning protrusion and the positioning groove.
Preferably, in above-mentioned water pump, the second spiro pluging hole is provided on the spiral case, one end of the aqueduct passes through second
Plug screw is connected to second spiro pluging hole.
Preferably, in above-mentioned water pump, axial direction setting of the water-cooling channel along the rotor assembly.
Preferably, in above-mentioned water pump, the both ends water (flow) direction of the aqueduct and the water-cooling channel are coaxially arranged.
Water pump provided by the invention by the way that water-cooling channel is arranged in rotor assembly, then passes through aqueduct and power plant
Under the action of so that by rotor assembly, the heat that the motor rotation in order to take away water pump generates improves motor and dissipates cooling water
The thermal efficiency reduces the temperature of motor, effectively increases the efficiency of motor, and then improves the working efficiency of water pump.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is the schematic front view of water pump provided in an embodiment of the present invention；
Fig. 2 is the schematic side view of water pump provided in an embodiment of the present invention.
In fig. 1 and 2：
Spiral case -1, turbine -2, the first seal washer -3, the first sealing ring -4, stator frame -5, stator -6, bullet
Spring -7, sealing ring -8, the first plug screw -9, aqueduct -10, the second sealing ring -11, first bearing -12, shielding case -
13, rotor assembly -14, second bearing -15, the second seal washer -16, the second plug screw -17, intake tunnel -18, water outlet
Channel -19.
Specific implementation mode
The purpose of the present invention is to provide a kind of water pumps, improve motor radiating efficiency, improve the working efficiency of water pump.
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
It please refers to Fig.1 and Fig. 2, a kind of water pump provided in an embodiment of the present invention, including：Shell, rotor assembly 14, aqueduct
10 and power plant.Rotor assembly 14 is rotatably dispose in shell, and the water cooling that its both ends is provided through on rotor assembly 14 is logical
Road；Aqueduct 10 is set to outside shell, and one end of aqueduct 10 is connected to one end of water-cooling channel, the other end of aqueduct 10 with
The other end of water-cooling channel is connected to, and power plant drives cooling water to be flowed along the channel that aqueduct 10 and water-cooling channel are formed.
Water pump provided in an embodiment of the present invention by the setting water-cooling channel in rotor assembly 14, then passes through aqueduct 10
And under the action of power plant so that for cooling water by rotor assembly 14, the motor in order to take away water pump rotates the heat generated
Amount improves motor radiating efficiency, reduces the temperature of motor, effectively increase the efficiency of motor, and then improve the work of water pump
Efficiency.
Preferably, it regard the turbine of water pump 2 as power plant.The shell of water pump includes electric machine casing and spiral case 1, power dress
I.e. turbine 2 is set, is rotatably dispose in the cavity of spiral case 1.Turbine 2 rotates in the cavity of spiral case 1 so that the water inlet of spiral case 1 is logical
Negative pressure is formed in road 18, in order to make external source enter in the cavity of spiral case 1, then is flowed out by exhalant canal 19.Aqueduct 10
One end be connected to the intake tunnel 18 of spiral case 1, pass through suction function so that the cooling water in aqueduct 10 is by aqueduct 10
One end flows into spiral case 1, is mixed with external source, and a part is flowed out by exhalant canal 19, and another part is by the one of water-cooling channel
End flows into, and is cooled down to rotor assembly 14, and the cooling water for flowing through rotor assembly 14 flows into water guide by the other end of water-cooling channel
Pipe 10 so that the cooling water in the channel that aqueduct 10 is formed with water-cooling channel flows always.
Turbine or other power plants can also be set in aqueduct 10, it is only necessary to ensure in aqueduct 10 and water-cooling channel
Water circulate.
It is understood that the cooling water and external source in the channel that above-mentioned aqueduct 10 is formed with water-cooling channel are in snail
Mixing in the cavity of shell 1.Aqueduct 10 can also be made to form independent channel with water-cooling channel, pass through independent power plant
(impeller is such as arranged in aqueduct 10) makes the water in channel circulate, and is flowed into after the heat of cooling water absorption rotor assembly 14
Aqueduct 10 radiates, then flows back to rotor assembly 14.
When water pump when not in use, if do not drained its internal water completely, when external environment is colder, since water freezing is swollen
It is swollen to be easy to cause water pump bursting by freezing, cause greater loss.Therefore, in the present embodiment, the stator module of water pump and rotor assembly 14
Between be arranged with shielding case 13.
Further, side of the shielding case 13 far from spiral case 1 and the other end of aqueduct 10 are detachably connected.Water pump not
In use, the other end of aqueduct 10 is disassembled by side of the shielding case 13 far from spiral case 1, and the remaining water in spiral case 1
Under gravity along the water-cooling channel of rotor assembly 14 by the mounting hole (other end and shielding case of aqueduct 10 of the position
13 mounting hole) discharge, in order to drain the water in water pump, avoid water pump bursting by freezing.
In the present embodiment, shielding case is detachably connected with aqueduct 10 by screw thread.Shielding case 13 far from spiral case 1 one
Side is provided with the first spiro pluging hole, and the first spiro pluging hole is above-mentioned mounting hole, in order to improve sealing effect.Aqueduct 10 it is another
End is connected to by the first plug screw 9 with the first spiro pluging hole.It can also be by the mounting hole on the other end of aqueduct 10 and shielding case 13
By interference fit, flanged joint can also be passed through.
As shown in Figure 1, rotor assembly 14 is rotatably dispose in by bearing on shielding case 13.In the present embodiment, bearing packet
First bearing 12 and second bearing 15 are included, the both ends of the axis of rotor assembly 14 are respectively arranged at.
Further, first bearing 12 is located at side of the rotor assembly 14 far from spiral case 1, and first bearing 12 is far from spiral case 1
One end be provided with the second sealing ring 11 for canned rotor component 14 and shielding case 13.
The stator module of water pump includes stator 6 and the stator frame 5 for being sheathed on 6 outside of stator, and stator frame 5 coordinates with stator 6.
Wherein, it is provided with spring 7 between stator frame 5 and electric machine casing, in order to reduce vibration, improves water pump operation stability.Stator
It is provided with the first sealing ring 4 between frame 5 and electric machine casing, further increases sealing performance.In the present embodiment, the first sealing ring 4
For O-ring seal.
In water pump assembling process, rotor assembly 14 is fixed with stator module.Shielding case 13 has close to the side of spiral case 1
Fixed plate；The stator frame 5 of stator module close to one end of spiral case 1 there is recess platform, the end of fixed plate to be set up in recess and put down
By above-mentioned setting on platform, play the role of axial seal, effectively prevents the water in spiral case 1 by shielding case 13 and stator module
Between enter machine winding inside.
In order to further increase axial seal effect, the first seal washer 3, snail are provided between fixed plate and recess platform
Shell 1 and a side contacts of the fixed plate far from recess platform.It is of course also possible to be not provided with the first seal washer 3.
Further, it is provided between the outer wall and the inner wall of electric machine casing of side of the shielding case 13 far from spiral case 1 close
Seal ring 8.Preferably, it is provided with the annular groove being circular layout along it on the outer wall of sealing ring 8, improves the leakproofness of sealing ring 8
Energy.
In order to further increase sealing effect, spiral case 1 is provided with positioning protrusion, electric machine casing on one side towards electric machine casing
It is provided with positioning groove corresponding with positioning protrusion on one side towards spiral case 1.
Further, the second seal washer 16 is provided between positioning protrusion and positioning groove, with prevent from pumping interior water to
Pump external leakage.Preferably, electric machine casing is connected by screw with spiral case 1.It is of course also possible to it is not provided with the second seal washer 16,
Sealing effect is only reached by the male-female engagement of positioning protrusion and positioning groove.
It is of course also possible to be not provided with the first seal washer 3 and/or the second seal washer 16.Also can by welding or other
Mode seals.
For the ease of the integral demounting of aqueduct 10, one end and the spiral case 1 of aqueduct 10 are detachably connected.In the present embodiment
In, the second spiro pluging hole is provided on spiral case 1, one end of aqueduct 10 is connected to by the second plug screw 17 with the second spiro pluging hole.Also may be used
The mounting hole on one end of aqueduct 10 and spiral case 1 by interference fit, can also be passed through flanged joint.
As depicted in figs. 1 and 2, in order to reduce resistance to water-flow, water-cooled effect, axis of the water-cooling channel along rotor assembly 14 are improved
To setting.By above-mentioned design, the size of water-cooling channel is shortened, also, uniformly cooled down to rotor assembly 14.
The both ends water (flow) direction and water-cooling channel of aqueduct 10 are coaxially arranged.In the present embodiment, aqueduct 10 is by 5 sections of straight tubes
Road is sequentially communicated, and adjacent two sections of straight tube roads are mutually perpendicular to.And two straight tube roads being connected to water-cooling channel and water-cooling channel
It is coaxially arranged, in order to which the both ends water (flow) direction and water-cooling channel that make aqueduct 10 are coaxially arranged so that cooling water is by aqueduct
The inflow water-cooling channel of 10 one end straight line cools down rotor assembly 14, then straight line inflow aqueduct 10 the other end,
It further reduced flow resistance.
Each embodiment is described by the way of progressive in this specification, the highlights of each of the examples are with other
The difference of embodiment, just to refer each other for identical similar portion between each embodiment.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest range caused.
Claims (11)
1. a kind of water pump, which is characterized in that including：
Shell；
The rotor assembly (14) being rotatably dispose in the shell is provided through the water at its both ends on the rotor assembly (14)
Cold passage；
The aqueduct (10) being set to outside the shell, one end of the aqueduct (10) connect with one end of the water-cooling channel
Logical, the other end of the aqueduct (10) is connected to the other end of the water-cooling channel；
The power plant for driving cooling water to be flowed along the channel that the aqueduct (10) and the water-cooling channel are formed；
The both ends water (flow) direction of the aqueduct (10) and the water-cooling channel are coaxially arranged；
The shell includes electric machine casing and spiral case (1), and the power plant is to be rotatably dispose in the cavity of the spiral case (1)
Turbine (2)；
One end of the aqueduct (10) is connected to the intake tunnel (18) of the spiral case (1)；
Shielding case (13) is arranged between the stator module of the water pump and the rotor assembly (14)；
Side of the shielding case (13) far from the spiral case (1) is provided with the first spiro pluging hole, the aqueduct (10) it is another
End is connected to by the first plug screw (9) with first spiro pluging hole.
2. water pump according to claim 1, which is characterized in that the rotor assembly (14) is rotatably dispose in institute by bearing
It states on shielding case (13)；
The bearing includes the first bearing (12) that (12) are located at side of the rotor assembly (14) far from the spiral case (1), described
The one end of first bearing (12) far from the spiral case (1) is provided with for sealing the rotor assembly (14) and the shielding case
(13) the second sealing ring (11).
3. water pump according to claim 1, which is characterized in that the stator module of the water pump includes stator (6) and is arranged
Stator frame (5) on the outside of the stator (6), the stator frame (5) coordinate with the stator (6).
4. water pump according to claim 1, which is characterized in that be arranged between the stator frame (5) and the electric machine casing
There is the first sealing ring (4).
5. water pump according to claim 3, which is characterized in that covered between the stator module and the rotor assembly (14)
Equipped with shielding case (13), the shielding case (13) has fixed plate close to the side of the spiral case (1)；
The stator frame (5) of the stator module has recess platform, the end of the fixed plate close to one end of the spiral case (1)
It is set up on the recess platform.
6. water pump according to claim 5, which is characterized in that be provided between the fixed plate and the recess platform
One seal washer (3), the spiral case (1) and a side contacts of the fixed plate far from the recess platform.
7. water pump according to claim 1, which is characterized in that side of the shielding case (13) far from the spiral case (1)
Outer wall and the inner wall of the electric machine casing between be provided with sealing ring (8).
8. water pump according to claim 1, which is characterized in that spiral case (1) the setting on one side towards the electric machine casing
It is equipped with positioning protrusion, the electric machine casing is corresponding with the positioning protrusion fixed towards being provided on one side for the spiral case (1)
Position groove.
9. water pump according to claim 8, which is characterized in that be provided between the positioning protrusion and the positioning groove
Second seal washer (16).
10. water pump according to claim 1, which is characterized in that it is provided with the second spiro pluging hole on the spiral case (1), it is described
One end of aqueduct (10) is connected to by the second plug screw (17) with second spiro pluging hole.
11. according to claim 2-10 any one of them water pumps, which is characterized in that the water-cooling channel is along the rotor assembly
(14) axial setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510163672.9A CN104767325B (en) | 2015-04-08 | 2015-04-08 | Water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510163672.9A CN104767325B (en) | 2015-04-08 | 2015-04-08 | Water pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104767325A CN104767325A (en) | 2015-07-08 |
| CN104767325B true CN104767325B (en) | 2018-10-19 |
Family
ID=53649007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510163672.9A Active CN104767325B (en) | 2015-04-08 | 2015-04-08 | Water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104767325B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109687644A (en) * | 2017-10-19 | 2019-04-26 | 江西南磁电气有限公司 | A kind of recirculated water cooling cooling component for asynchronous machine |
| DE102019109721A1 (en) * | 2019-04-12 | 2020-10-15 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Rotor for an electric machine |
| CN111654135B (en) * | 2020-06-22 | 2022-03-11 | 浙江闽立电动工具有限公司 | Interior heat dissipation formula DC brushless motor and hand-held type lithium electric tool |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001268850A (en) * | 2000-03-21 | 2001-09-28 | Ebara Corp | Cooling device of electrical rotating machine |
| CN2651474Y (en) * | 2003-09-20 | 2004-10-27 | 张歌今 | Pressurizing pumps |
| CN202713072U (en) * | 2012-06-18 | 2013-01-30 | 宁波三和壳体模具有限公司 | Novel water cooling structure of water pimp motor |
| CN204681212U (en) * | 2015-04-08 | 2015-09-30 | 珠海格力电器股份有限公司 | Water pump |
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2015
- 2015-04-08 CN CN201510163672.9A patent/CN104767325B/en active Active
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| Publication number | Publication date |
|---|---|
| CN104767325A (en) | 2015-07-08 |
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