CN109340130A - A kind of sub- water pump of car direct current - Google Patents
A kind of sub- water pump of car direct current Download PDFInfo
- Publication number
- CN109340130A CN109340130A CN201811301005.2A CN201811301005A CN109340130A CN 109340130 A CN109340130 A CN 109340130A CN 201811301005 A CN201811301005 A CN 201811301005A CN 109340130 A CN109340130 A CN 109340130A
- Authority
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- China
- Prior art keywords
- impeller
- guide vane
- lid
- sub
- direct current
- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P5/00—Pumping cooling-air or liquid coolants
- F01P5/10—Pumping liquid coolant; Arrangements of coolant 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
- F04D29/185—Rotors consisting of a plurality of wheels
-
- 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
-
- 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
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/445—Fluid-guiding means, e.g. diffusers especially adapted for liquid pumps
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- 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
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/669—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for liquid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P5/00—Pumping cooling-air or liquid coolants
- F01P5/10—Pumping liquid coolant; Arrangements of coolant pumps
- F01P5/12—Pump-driving arrangements
- F01P2005/125—Driving auxiliary pumps electrically
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of sub- water pumps of car direct current, belong to new-energy automobile electronic water pump technical field, specifically include the pump housing, lid, electric-controlled plate, stator, rotor, shaft and impeller；It further include the first guide vane wheel, it includes the first central sleeve and circumferential first group of guide vane for being set to lateral wall, first guide vane wheel is set to inlet pipeline and coaxially arranged with impeller, and the outer end of first group of guide vane is fixedly connected with the inner wall in inlet pipeline；By this design on the one hand guide vane wheel is set on inlet pipeline, facilitates lid inner cavity and form negative pressure, self-priming performance embodies rapidly；On the other hand, i.e. be forced along guide vane wheel direction blade enters lid inner cavity to cooling water before entering lid, it avoids Fast Cooling water and directly hits impeller generation transient noise, furthermore have benefited from mature turboshaft engine blade wheel structure design, so that coolant liquid can produce faster transmission effect under the first guide vane wheel and impeller effect, cooling water flow velocity is faster.
Description
Technical field
The present invention relates to new-energy automobile electronic water pump technical fields, and in particular to a kind of sub- water pump of car direct current.
Background technique
With the development of automotive electronic technology, automobile electronic system is increasingly sophisticated, constantly mentioned with the correlation of functional safety
Height, any one failure, which occurs, in security-related software and hardware may all bring serious consequence, break down in product
Or can continue to guarantee that security of system becomes the topic that everybody is concerned about when failure, what everybody was concerned about the most among these is then internal
The problem of system secure heat dissipation；Electronic water pump is widely used in the car radiation circulatory system, provides in heat dissipation circulating system
Heat eliminating medium circulates power；After automobile starting, electronic control component can generate a large amount of heat, these heats must lead to
It crosses heat dissipation circulating system to be discharged in time, enabling electronic control component, guarantee of work system is reliable in the normal temperature range
Property, electronic water pump is exactly the power source that cooling system heat-conducting medium circulates.
Existing electronic water pump generally requires the performance for having self-priming and being maintained at low noise horizontal operation for a long time, i.e.,
Impeller, due to having certain sealing performance between impeller blade and lid internal chamber wall, is being centrifuged in the rotary course of lid inner cavity
Positive pressure is formed in outlet pipeline under power effect, vacuum is formed in inlet pipeline, using pressure difference to actively by hydraulic pressure into lid
Inner cavity；This process usually because the problem of impeller blade and lid mating surface machining accuracy result in cooling water circulation when
Machine lag；
In addition, cooling water circulating speed is slow, high temperature can not be taken away rapidly, causes electrical appliance part working performance unstable；
In addition to this, Fast Cooling water can hit impeller generation transient noise when entering lid, influence comfort；
Furthermore it is often ignored for the cooling of electronic water pump itself, causes own circuit board operating temperature excessively high, reduce running
Efficiency.
Summary of the invention
The object of the present invention is to provide a kind of sub- water pumps of car direct current, and it is former originally to use for reference turboshaft engine structure
The first guide vane wheel is fixedly installed in inlet pipeline in reason, and coaxial cooperation impeller, above-mentioned first guide vane wheel and impeller are adopted respectively
With the guide vane dish structure and running wheel structure of turboshaft engine, transmission efficiency, the flowing of cooling water are improved with can dramatically
Speed and the generation for avoiding instantaneous impact noise.
In order to solve the slow technology of big, the cooling water flow velocity of electronic water pump for automobile imbibition hysteresis, transient noise in the prior art
Problem, the present invention provides following technical schemes: a kind of sub- water pump of car direct current, including the pump housing, lid, electric-controlled plate, stator,
Rotor, shaft and impeller；The lid is fixedly installed in the pump housing, and wherein lid is equipped with inlet pipeline along axis direction, along
Tangential direction is equipped with outlet pipeline, and the inlet pipeline and the outlet pipeline be connected to lid inner cavity, the electric-controlled plate with
Stator is by epoxide-resin glue encapsulating loaded on pump housing inner cavity and the two electric connection, and the shaft is along the axis stator and one
The pump housing is fixed at end, and the other end extends to lid inner cavity, and the rotor is set to pump housing inner cavity and is sheathed on by axle sleeve
The shaft, the impeller are set to lid inner cavity and are sheathed on the shaft, and the impeller is fixedly connected with the rotor；Its
In further include the first guide vane wheel, first guide vane wheel includes the first central sleeve and circumferential is set to first center
First group of guide vane of sleeve lateral wall, first guide vane wheel are set to the inlet pipeline and mutually pass through junction with lid
And it is coaxially arranged with the impeller, the outer end of first group of guide vane is fixedly connected in the inner wall of the inlet pipeline,
First guide vane wheel guide vane dish structure static with turboshaft engine is similar；The impeller and the turboshaft engine
The running wheel structure of rotation is similar.
Preferably, the sub- water pump of car direct current provided by the invention, wherein the inlet pipeline and connect with the lid
The internal diameter at place is equal to the impeller outer diameter.
Preferably, the sub- water pump of car direct current provided by the invention, wherein first group of guide vane is vulcanized rubber material
Matter.
Preferably, the sub- water pump of car direct current provided by the invention, wherein the impeller includes upper layer impeller, lower layer's leaf
Wheel, axle sleeve, the upper layer impeller, lower layer's impeller and the axle sleeve are coaxially individually fixed in the both ends of the axle sleeve, under described
Layer impeller is fixedly connected with the rotor.
Further, the sub- water pump of car direct current provided by the invention, wherein further include the impeller disk, lower layer's impeller with
The impeller disk is coaxially arranged, and lower layer's impeller is fixedly installed in the disk of the impeller disk.
Further, the sub- water pump of car direct current provided by the invention, wherein further include the second guide vane wheel, described second
Guide vane wheel includes the second central sleeve and circumferential second group of guide vane for being set to the second central sleeve lateral wall, institute
It states the second guide vane wheel and is set between the upper layer impeller and lower layer's impeller and is sheathed on the axle sleeve, described second
The outer end of group guide vane is fixedly connected in the inner wall of the lid, second guide vane wheel and first guide vane wheel
Structure is similar.
Preferably, the sub- water pump of car direct current provided by the invention, wherein second group of guide vane is vulcanized rubber
Material.
Preferably, the sub- water pump of car direct current provided by the invention, in which: the outlet pipeline includes upper layer outlet pipeline
With lower layer's outlet pipeline, the upper layer outlet pipeline and the upper layer impeller location are corresponding, lower layer's outlet pipeline and described
Lower layer's impeller location is corresponding.
Further, the sub- water pump of car direct current provided by the invention, wherein further including fixed frame, the fixed frame is arranged
In the pump housing periphery, for electronic water pump to be fixed on installation carrier；Wherein, cooling duct is opened up in the fixed frame,
The side of fixed frame is equipped with cooling water inlet pipe, and the other side is equipped with cooling water outlet pipe, the cooling water inlet pipe and described cold
But water outlet pipe is connected to the cooling duct, and the cooling water inlet pipe is by piping connection in the upper layer outlet pipeline
Or lower layer's outlet pipeline.
The sub- water pump of a kind of car direct current provided by the invention has the advantage that original creation of the present invention compared with prior art
Property using turboshaft engine formula guide vane wheel and running wheel design, on the one hand one of directing vane is set on inlet pipeline
Wheel is easy to form negative pressure in lid inner cavity after impeller starting, and it is not in hysteresis that self-priming performance, which embodies rapidly,；It is another
Aspect, cooling water are just directed to impeller guiding before entering lid, enter lid inner cavity along guide vane wheel direction blade, keep away
Exempt from Fast Cooling water and directly hit impeller generation transient noise, and has benefited from mature turboshaft engine blade wheel structure design,
So that the coolant liquid in the application can produce faster transmission effect, cooling water flow under the first guide vane wheel and impeller effect
Speed is faster.
Detailed description of the invention
Fig. 1 is a kind of sub- water pump Examples 1 to 3 structural schematic diagram of car direct current of the present invention；
Fig. 2 is a kind of the 4th kind of example structure schematic diagram of the sub- water pump of car direct current of the present invention；
Fig. 3 is a kind of the 5th kind of example structure schematic diagram of the sub- water pump of car direct current of the present invention；
Fig. 4 is a kind of sub- water pump fixed rack structure schematic diagram of car direct current of the present invention.
Wherein: 1, the pump housing；2, lid；3, electric-controlled plate；4, stator；5, rotor；6, shaft；7, impeller；7a, upper layer impeller；
7b, lower layer's impeller；7c, axle sleeve；8, inlet pipeline；9, outlet pipeline；9a, upper layer outlet pipeline；9b, lower layer's outlet pipeline；10,
First guide vane wheel；10a, the first central sleeve；10b, first group of guide vane；11, the impeller disk；12, the second guide vane wheel；
12a, the second central sleeve；12b, second group of guide vane；13, fixed frame；13a, cooling duct；13b, cooling water inlet pipe；
13c, cooling water outlet pipe.
Specific embodiment
Invention is further described in detail combined with specific embodiments below:
Embodiment 1
As shown in Figure 1, present embodiments providing a kind of sub- water pump of car direct current, including the pump housing 1, lid 2, electric-controlled plate 3, stator
4, rotor 5, shaft 6 and impeller 7；The lid 2 is fixedly installed in the pump housing 1, and wherein lid 2 is equipped with water inlet pipe along axis direction
Road 8 is equipped with outlet pipeline 9 along tangential direction, and the inlet pipeline 8 and the outlet pipeline 9 are connected to 2 inner cavity of lid,
The electric-controlled plate 3 and stator 4 by epoxide-resin glue encapsulating loaded on 1 inner cavity of the pump housing and the two is electrically connected, the shaft 6 along
The pump housing 1 is fixed in 4 axis of stator and one end, and the other end extends to 2 inner cavity of lid, and the rotor 5 is set to the pump housing 1
Inner cavity and the shaft 6 is sheathed on by axle sleeve, the impeller 7 is set to 2 inner cavity of lid and is sheathed on the shaft 6, described
Impeller 7 is fixedly connected with the rotor 5；It wherein further include the first guide vane wheel 10, first guide vane wheel 10 includes first
Central sleeve 10a and circumferential first group of guide vane 10b for being set to the first central sleeve 10a lateral wall, described first
Guide vane wheel 10 is set to the inlet pipeline 8 and 2 phase of lid passes through junction and coaxially arranged with the impeller 7, and described first
The outer end of group guide vane 10b is fixedly connected in the inner wall of the inlet pipeline 8, and first guide vane wheel 10 is sent out with whirlpool axis
The static guide vane dish structure of motivation is similar；The impeller 7 and the running wheel structure that the turboshaft engine rotates are similar.
The above embodiments course of work and principle are as follows: after electronic water pump is powered, the rotation of 5 impeller 7 of rotor, lid 2
Interior gas has benefited from the first guiding of 8 nozzle of inlet pipeline setting since the centrifugal action of impeller is thrown away from outlet pipeline 9
Impeller 10,2 inner cavity of lid is more closed relative to traditional structure inner cavity, therefore is more prone to produce negative pressure, and moment completes self-priming,
Cooling water is promptly drawn to the inlet pipeline 8 of lid 2, and cooling water takes the lead in contacting with the first guide vane wheel 10 at this time, first
Under the guiding role of guide vane wheel 10, cooling water flows directly into 7 blade of impeller along first group of direction guide vane 10b, reduces
Vertical direction toward impact of the Fast Cooling water to impeller 7, flow efficiency is higher while reducing the generation of transient noise；7 leaf of impeller
Piece, which is centrifuged rapidly, to be thrown away to outlet pipeline 9, due to the static guide vane dish structure design using turboshaft engine formula
Designed with the running wheel structure of rotation, cooling water thrown away by faster centrifugation, water velocity faster, Neng Gougeng
Quickly take away thermal energy.
Turboshaft engine: turboshaft engine is made of inlet duct, compressor, combustion chamber, turbine and exhaust apparatus,
In the impeller that uses in this application and guide vane wheel be all made of the turbine structure design of turboshaft engine, in turboshaft engine
In, the effect of turbine is by high temperature, the mechanical energy that high-pressure gas thermal energy is rotary motion.It is the main of turboshaft engine
One of parts, it is desirable that size is small, high-efficient.Turbine is usually made of the running wheel of static guide vane and rotation.And pressure
Mechanism of qi is just the opposite, and the guide vane of turbine is preceding, and working-blade is rear.From combustion chamber come combustion gas, first pass through guide vane,
It due to the effect in convergent contour channel between blade, improves speed, reduce pressure, combustion gas expands and impacts work leaf at a proper angle
Wheel, makes impeller high speed rotation.The temperature that modern turboshaft engine enters before turbine may be up to 1500 DEG C, and secondary speed is more than
50000r/min.Huge centrifugal force and thermic load are born when due to turbine, thus turbine generally select it is resistant to high temperature
High strength alloy steel, in addition, also carefully to be designed for the heat dissipation of misfortune wheel and the lubrication of bearing.
Different from general turbojet, the turbine of helicopter turboshaft engine should drive compressor to rotate,
Rotor, tail-rotor work are driven again.Turbine is divided into forward and backward two sections without mechanical connection each other by most of turboshaft engines.Before
Section drive compressor work, constitutes the gas turbine rotor of engine；Back segment is as line shaft, i.e. free turbine, output shaft
Power drives the work of the components such as rotor, tail-rotor.Though forward and backward two sections mechanical connection relationship does not occur, have on aerodynamic force
Connection can make gas generator turbine and free turbine make appropriate adjust with mission requirements change in the distribution of gas thermal energy
It is whole, it so that turboshaft engine performance and lifting airscrew performance is obtained optimization group in well-to-do range.
Embodiment 2
As shown in Figure 1, further increasing cooling water transmission efficiency, stream for the blade wheel structure further to turboshaft engine
Speed inlet pipeline 8 and is equal to 7 outer diameter of impeller with the internal diameter of 2 junction of lid in the present embodiment；Remaining structure is the same as real
Example 1 is applied, this will not be repeated here.
Embodiment 3
Preferably, as shown in Figure 1, the sub- water pump of car direct current provided in this embodiment is examined to further decrease noise level
A little noise, the present embodiment first can also be led to the problem of when taking the lead in and contacting with the first guide vane wheel 10 by considering Fast Cooling water
Group guide vane is made of vulcanized rubber material, on the one hand on the other hand vulcanized rubber can have one with long-term stable operation
Fixed elasticity can effectively absorb impact force, thus further reduced the level of transient noise, the same embodiment of remaining technical solution
2, it is not repeated secondary.
Embodiment 4
Preferably, as shown in Fig. 2, the present embodiment is in order to handle the cooling water of greater flow, the impeller 7 includes upper layer impeller
7a, lower layer impeller 7b, axle sleeve 7c, the upper layer impeller 7a, lower layer impeller 7b and the axle sleeve 7c are coaxially individually fixed in institute
The both ends of axle sleeve 7c are stated, lower layer's impeller 7b is fixedly connected with the rotor 5；
Meanwhile in order to improve the intensity of entire impeller, the present embodiment further includes the impeller disk 11, lower layer's impeller 7a and the leaf
Wheel disc 11 is coaxially arranged, and lower layer impeller 7b is fixedly installed in the disk of the impeller disk 11.
Remaining technical solution is not repeated with embodiment 2 secondary.
Embodiment 5
As shown in figure 3, the present embodiment is in order to further increase cooling water circulating speed, it is same using similar to turboshaft engine
Blade wheel structure again strictly limits the flow direction of cooling water using guide vane wheel, is obviously improved cooling water pressure in lid,
It is discharged from outlet pipeline more quickly, thus further includes the second guide vane wheel 12, second directing vane in the present embodiment
Wheel 12 includes the second central sleeve 12a and circumferential second group of guide vane for being set to the second central sleeve 12a lateral wall
12b, second guide vane wheel 12 are set between the upper layer impeller 7a and lower layer's impeller 7b and are sheathed on the axis
7c is covered, the outer end of second group of guide vane 12b is fixedly connected in the inner wall of the lid 2, second guide vane wheel
12 is similar with 10 structure of the first guide vane wheel；In the present embodiment, second group of guide vane 12b is vulcanized rubber material.
Only have one for conditional electronic water pump water outlet pipeline, limits cooling water pipe arrangement convenience and randomness；This
On the basis of the above, outlet pipeline 9 includes upper layer outlet pipeline 9a and lower layer outlet pipeline 9b, the upper layer outlet pipe to embodiment
Road 9a and the position upper layer impeller 7a are corresponding, and lower layer's outlet pipeline 9b and the position lower layer's impeller 7b are corresponding, and on
Layer outlet pipeline 9a and lower layer outlet pipeline 9b is directed toward opposite.
Remaining technical solution is not repeated with embodiment 4 secondary.
The present embodiment course of work and principle are as follows: the present embodiment is originally arranged radially in lid there are two outlet pipeline,
That is upper layer outlet pipeline 9a and lower layer outlet pipeline 9b, when cooling water passes through the guiding role rear portion of the first guide vane wheel 10
Cooling water is discharged via the centrifugal action of upper layer impeller 7a via upper layer outlet pipeline 9a, the cooling penetration by water upper layer leaf of another part
The wheel side 7a blade enters the second guide vane wheel 12, since the second guide vane wheel 12 is annularly fixed on 2 inner wall of lid, so
Cooling water across upper layer impeller 7a blade faces the second guide vane wheel 12, and cooling water is accurately oriented to lower layer's leaf again at this time
7b is taken turns, lower layer impeller 7b throws away the centrifugation of remaining cooling water to lower layer outlet pipeline 9b, and so far cooling water is divided into two with being refined
Stock output.
Embodiment 6
As shown in figure 4, the present embodiment further includes fixed frame 13, the fixed frame 13 is sheathed on 1 periphery of the pump housing, and being used for will be electric
Sub- water pump is fixed on installation carrier；Wherein, cooling duct 13a is opened up in the fixed frame 13, is equipped in the side of fixed frame 13
Cooling water inlet pipe 13b, the other side are equipped with cooling water outlet pipe 13c, the cooling water inlet pipe 13b and the cooling water outlet
Pipe 13c is connected to the cooling duct 13a, and the cooling water inlet pipe 13b is by piping connection in lower layer outlet pipeline 9b.
Remaining technical solution is not repeated with embodiment 5 secondary.
The course of work and principle of the present embodiment: when cooling water passes through upper layer outlet pipeline 9a via upper layer impeller 7a centrifugation
Discharge, is directly used in the heat dissipation of electric elements；In view of the electric-controlled plate 3 being set in the pump housing 1 can generate after working long hours
A large amount of heat, will directly affect the normal operation of water pump, the present embodiment passes through upper layer impeller 7a remaining cooling when serious
Water passes through lower layer outlet pipeline 9b discharge and encircles via pipeline inflow and be clamped in the pump housing 1 via lower layer's impeller 7b centrifugal action
The fixed frame 13 of periphery, and connect with the cooling water inlet pipe 13b of fixed frame 13, it is opened up in cooling water inflow fixed frame 13 cold
But channel 13a is finally discharged, for the heat dissipation of electric elements, since fixed frame 13 is with the pump housing 1 via cooling water outlet pipe 13c
It fits closely, the cooling water that the thermal energy of the pump housing 1 can be fixed in frame 13 is directly taken away, and ensure that the normal operation of electronic water pump.
It should be noted last that the above specific embodiment is only used to illustrate the technical scheme of the present invention and not to limit it,
Although the invention is described in detail with reference to an embodiment, those skilled in the art should understand that, it can be to this hair
Bright technical solution is modified or replaced equivalently, and without departing from the spirit and scope of the technical solution of the present invention, should all be contained
Lid is in the scope of the claims of the present invention.
Claims (9)
1. a kind of sub- water pump of car direct current, including the pump housing (1), lid (2), electric-controlled plate (3), stator (4), rotor (5), shaft
(6) and impeller (7)；The lid (2) is fixedly installed in the pump housing (1), and wherein lid (2) is equipped with inlet pipeline along axis direction
(8), outlet pipeline (9) are equipped with along tangential direction, the inlet pipeline (8) and the outlet pipeline (9) are and in lid (2)
Chamber connection, the electric-controlled plate (3) and stator (4) are loaded on the pump housing (1) inner cavity by epoxide-resin glue encapsulating and the two is electrically connected,
The shaft (6) is along the stator (4) axis and one end is fixed on the pump housing (1), and the other end extends in lid (2)
Chamber, the rotor (5) are set to the pump housing (1) inner cavity and are sheathed on the shaft (6) by axle sleeve, and the impeller (7) is set to
Lid (2) inner cavity is simultaneously sheathed on the shaft (6), and the impeller (7) is fixedly connected with the rotor (5)；It is characterized by: also
Including the first guide vane wheel (10), first guide vane wheel (10) includes the first central sleeve (10a) and is circumferentially set to institute
First group of guide vane (10b) of the first central sleeve (10a) lateral wall is stated, first guide vane wheel (10) is set to described
Inlet pipeline (8) and lid (2) mutually pass through junction and, the first group guide vane (10b) coaxially arranged with the impeller (7)
Outer end be fixedly connected in the inner wall of the inlet pipeline (8), first guide vane wheel (10) and turboshaft engine are static
Guide vane dish structure it is similar；The impeller (7) and the running wheel structure that the turboshaft engine rotates are similar.
2. the sub- water pump of car direct current according to claim 1, it is characterised in that: the inlet pipeline (8) and with it is described
The internal diameter of lid (2) junction is equal to the impeller (7) outer diameter.
3. the sub- water pump of car direct current according to claim 1, it is characterised in that: first group of guide vane (10b)
For vulcanized rubber material.
4. the sub- water pump of car direct current according to claim 1, it is characterised in that: the impeller (7) includes upper layer impeller
(7a), lower layer's impeller (7b), axle sleeve (7c), the upper layer impeller (7a), lower layer's impeller (7b) and the axle sleeve (7c) are coaxially
The both ends of the axle sleeve (7c) are individually fixed in, lower layer's impeller (7b) is fixedly connected with the rotor (5).
5. the sub- water pump of car direct current according to claim 4, it is characterised in that: further include the impeller disk (11), under described
Layer impeller (7b) and the impeller disk (11) are coaxially arranged, and lower layer's impeller (7b) is fixedly installed on the disk of the impeller disk (11)
It is interior.
6. the sub- water pump of car direct current according to claim 4, it is characterised in that: it further include the second guide vane wheel (12),
Second guide vane wheel (12) includes the second central sleeve (12a) and is circumferentially set to second central sleeve (12a) outside
Second group of guide vane (12b) of side wall, second guide vane wheel (12) be set to the upper layer impeller (7a) and it is described under
Between layer impeller (7b) and be sheathed on the axle sleeve (7c), the outer end of second group of guide vane (12b) be fixedly connected in
The inner wall of the lid (2), second guide vane wheel (12) and the first guide vane wheel (10) structure are similar.
7. the sub- water pump of car direct current according to claim 6, it is characterised in that: second group of guide vane (12b)
For vulcanized rubber material.
8. the sub- water pump of the car direct current according to any one of claim 4~7, it is characterised in that: the outlet pipeline
It (9) include upper layer outlet pipeline (9a) and lower layer's outlet pipeline (9b), the upper layer outlet pipeline (9a) and the upper layer impeller
The position (7a) is corresponding, and lower layer's outlet pipeline (9b) is corresponding with lower layer's impeller position (7b).
9. the sub- water pump of car direct current according to claim 8, it is characterised in that: it further include fixed frame (13), it is described solid
Determine frame (13) and be sheathed on the pump housing (1) periphery, for electronic water pump to be fixed on installation carrier；Wherein, the fixed frame
(13) cooling duct (13a) is opened up in, is equipped with cooling water inlet pipe (13b) in the side of fixed frame (13), the other side is equipped with cold
But water outlet pipe (13c), the cooling water inlet pipe (13b) and the cooling water outlet pipe (13c) with the cooling duct
(13a) connection, the cooling water inlet pipe (13b) are gone out by piping connection in the upper layer outlet pipeline (9a) or the lower layer
Water lines (9b).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811301005.2A CN109340130B (en) | 2018-11-02 | 2018-11-02 | Automobile direct-current electronic water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811301005.2A CN109340130B (en) | 2018-11-02 | 2018-11-02 | Automobile direct-current electronic water pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109340130A true CN109340130A (en) | 2019-02-15 |
| CN109340130B CN109340130B (en) | 2021-01-22 |
Family
ID=65313401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811301005.2A Active CN109340130B (en) | 2018-11-02 | 2018-11-02 | Automobile direct-current electronic water pump |
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| CN (1) | CN109340130B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20210079919A1 (en) * | 2019-09-12 | 2021-03-18 | Sunonwealth Electric Machine Industry Co., Ltd. | Fluid transportation device |
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| US20210079919A1 (en) * | 2019-09-12 | 2021-03-18 | Sunonwealth Electric Machine Industry Co., Ltd. | Fluid transportation device |
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| CN109340130B (en) | 2021-01-22 |
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