CN107269546A - Electronic water pump - Google Patents
Electronic water pump Download PDFInfo
- Publication number
- CN107269546A CN107269546A CN201710640157.4A CN201710640157A CN107269546A CN 107269546 A CN107269546 A CN 107269546A CN 201710640157 A CN201710640157 A CN 201710640157A CN 107269546 A CN107269546 A CN 107269546A
- Authority
- CN
- China
- Prior art keywords
- water pump
- electronic water
- housing
- end cap
- stator
- 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
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
- F04D29/40—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
- F04D29/66—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
-
- 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
- H02K1/12—Stationary parts of the magnetic circuit
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/30—Structural association with control circuits or drive circuits
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
Field is manufactured the present invention relates to water pump, a kind of electronic water pump is disclosed, the electronic water pump includes：Impeller (11) is provided with first housing (10), first housing (10)；Motor (20), the motor (20) is used to drive the impeller (11), the motor (20) includes the stator (21) that injection is integrated, and the stator (21) includes injection molding body (211) and stator core (212) and stator winding (213) in the injection molding body (211)；With the second housing (30), the control panel electrically connected with the stator (21) is provided with second housing (30), wherein, the injection molding body (211) is fixedly connected between first housing (10) and the second housing (30).The electronic water pump of the present invention eliminates casing and distance sleeve in existing electronic water pump, not only simplify the mounting process of electronic water pump, the rigidity of stator is also improved to a certain extent, and then improve the noise of electronic water pump.
Description
Technical field
Field is manufactured the present invention relates to water pump, more particularly to a kind of electronic water pump.
Background technology
In recent years, in order to lift the cooling effectiveness of automobile engine mechanical water pump, electronic water pump becomes the research of industry
Focus, and some patents, such as Publication No. US2014/0010684A1, US 2015/0300355 A1, US are disclosed successively
2015/0300356 A1 or the A1 of US 2015/0354576 U.S. patent Nos.
In presently disclosed electronic water pump, the stator of motor is mounted among casing, and is led between stator and rotor
Often need to set a distance sleeve to ensure the coolant of motor internal and isolating for stator.And casing and distance sleeve are deposited
The manufacturing cost of motor is being considerably increased, and is generally requiring to improve its intensity by increasing the thickness of distance sleeve, this
Sample just inevitably increases the gap between stator and rotor, and causes the reduction of motor gas-gap magnetic field intensity, so as to reduce
The power output and efficiency of motor.
The content of the invention
The purpose of the present invention is to provide a kind of new electronic water pump regarding to the issue above, and the electronic water pump eliminates casing
And distance sleeve, manufacturing cost can be reduced, simplifies the mounting process of electronic water pump.
To achieve these goals, the present invention provides a kind of electronic water pump, and the electronic water pump includes：
Impeller is provided with first housing, the first shell body；
Motor, the motor is used to drive the impeller, and the motor includes the stator that injection is integrated, and the stator includes
Injection molding body and stator core and stator winding in the injection molding body；With
The control panel electrically connected with the stator is provided with second housing, the second shell body,
Wherein, the injection molding body is fixedly connected between first housing and the second housing.
Preferably, the motor also includes the rotor being located in the stator, one end connection of the armature spindle of the rotor
In the impeller, the other end is pivotably coupled to second housing.
Preferably, first housing includes pump case and the first end cap, be connected to the impeller the one of the armature spindle
End through first end cap and is rotatably supported at first end cap by the first sliding bearing sleeve.
Preferably, first end cap is clamped between the pump case and the injection molding body.
Preferably, second housing includes the second end cap and is arranged at the cover plate of the second end cap outer end, described turn
The other end of sub- axle is rotatably supported at second end cap by the second sliding bearing sleeve.
Preferably, it is separately provided for positioning the two ends of the injection molding body in first end cap and second end cap
Detent.
Preferably, the joint of the detent and the outer peripheral face of the injection molding body is provided with exterior seal ring.
Preferably, the joint of the detent and the inner peripheral surface of the injection molding body is provided with inner seal ring.
Preferably, the armature spindle is formed as hollow form, and the first end, which covers to be provided with, axially penetrates through the first end
Connected with the hollow space of the armature spindle axially grooved is provided with the through hole of lid, second end cap.
Preferably, the through hole is multiple, and around armature spindle arrangement；And/or it is described axially grooved to be multiple, and
Around armature spindle arrangement.
By above-mentioned technical proposal, the present invention makes stator core and stator winding be located at injection by stator injection molding technology
In vivo, and by injection molding body it is fixedly connected between the first housing and the second housing, so as to save the casing in existing electronic water pump
And distance sleeve, electronic water pump of the invention not only simplify the mounting process of electronic water pump, also improves to a certain extent
The rigidity of stator, and then improve the noise of electronic water pump.
Other features and advantages of the present invention will be described in detail in subsequent embodiment part.
Brief description of the drawings
Accompanying drawing is, for providing a further understanding of the present invention, and to constitute a part for specification, with following tool
Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings：
Fig. 1 is a kind of stereogram of embodiment of electronic water pump of the present invention；
Fig. 2 is the sectional view of electronic water pump in Fig. 1；
Fig. 3 is a kind of structural representation of embodiment of the second housing in the present invention.
Description of reference numerals
The impeller of 10 first housing 11
The water inlet of 12 pump case 121
The end cap of 122 delivery port 13 first
The through hole of 131 first sliding bearing sleeve 132
The stator of 20 motor 21
The stator core of 211 injection molding body 212
The exterior seal ring of 213 stator winding 214
The rotor of 215 inner seal ring 22
The bolt of 23 armature spindle 24
The end cap of 30 second housing 31 second
The sliding bearing sleeve of 32 cover plate 311 second
312 is axially grooved
Embodiment
The embodiment of the present invention is described in detail below in conjunction with accompanying drawing.It should be appreciated that this place is retouched
The embodiment stated is merely to illustrate and explain the present invention, and is not intended to limit the invention.
In the present invention, in the case where not making opposite explanation, the noun of locality used such as " inside and outside " typically refer to relative to
Profile of each part itself it is inside and outside.
The present invention provides a kind of electronic water pump, and the electronic water pump includes：It is provided with first housing 10, first housing 10
Impeller 11；Motor 20, the motor 20 is used to drive the impeller 11, and the motor 20 includes the stator 21 that injection is integrated, institute
Stating stator 21 includes injection molding body 211 and stator core 212 and stator winding 213 in the injection molding body 211；And second shell
The control panel (not shown) electrically connected with the stator 21 is provided with body 30, second housing 30, wherein, the injection
Body 211 is fixedly connected between the housing 30 of the first housing 10 and second.
By such scheme, injection molding body 211 can not only be used for the casing of motor 20, and the cooling of isolation motor internal can be played again
The effect of liquid and stator core 212 and stator winding 213, so as to eliminate the casing and separation sleeve of electronic water pump in the prior art
Cylinder, greatly reduces the production cost of electronic water pump；And when mounted, only need to be by the housing 10 of injection molding body 211 and first and the
Two housings 30 are fixedly connected, and enormously simplify the mounting process of electronic water pump, and effectively increase the shell of electronic water pump
The reliability of body assembling；Further, since the presence of injection molding body 211 so that the rigidity of stator 21 has larger lifting, so that favorably
In the noise of improvement electronic water pump.Therefore, electronic water pump of the invention has significantly in mounting process, cost and performance
Advantage.
As shown in Fig. 2 in the present invention, motor 20 also includes the rotor 22 being located in stator 21, the rotor of the rotor 22
One end of axle 23 is connected to the impeller 11, and the other end is pivotably coupled to second housing 30.By to the stator
21 are powered, and produce rotating excitation field, rotate rotor 22, so as to drive the rotation of impeller 11.
In the present invention, the first housing 10 and the second housing 30 can have multiple structural forms.For example, shown in Fig. 2
In preferred embodiment, the first housing 10 can include the end cap 13 of pump case 12 and first, and being connected to for the armature spindle 23 is described
One end of impeller 11 through first end cap 13 and is rotatably supported at the first end by the first sliding bearing sleeve 131
Lid 13.Second housing 30 can include the second end cap 31 and be arranged at the cover plate 32 of the outer end of the second end cap 31, the rotor
The other end of axle 23 is rotatably supported at second end cap 31 by the second sliding bearing sleeve 311.
Wherein, the one side of the first end cap 13 is used for the one end for installing the first sliding bearing sleeve 131 of support and armature spindle 23, separately
On the one hand it is used to mount and position motor with the one end fits of motor 20；Second end cap 31 is then used to install the second sliding axle of support
The other end of bearing sleeve 311 and armature spindle 23, while coordinating installation with the other end of motor 20.So that it is guaranteed that the rotation of armature spindle 23
And driving of the armature spindle 23 to impeller 11.
Wherein, as shown in figure 1, being provided with water inlet 121 and delivery port 122 on the pump case 12 of electronic water pump of the present invention.Separately
Outside, it can also be provided for installing the mounting structure of the control panel in the second housing 30.
In order to improve the reliability that the housing of electronic water pump of the present invention is assembled, the first end cap 13 is clamped to by the present invention
Between pump case 12 and injection molding body 211, for example by the first end cap 13 by bolt 24 be clamped to pump case 12 and injection molding body 211 it
Between.Wherein, pump case 12, the first end cap 13 can be fixedly connected by bolt 24 with injection molding body 211, with higher controllability.Specifically
For, because impeller 11 by the armature spindle 23 of motor 20 drives rotation, therefore impeller 11 have relative to armature spindle 23 it is accurate
Position, and then for being accurately positioned and rotatably supporting the first sliding bearing sleeve 131 and the second sliding bearing of armature spindle 23
Also there is accurate relative position between the end cap 13 of set 311 and first and the second end cap 31 and impeller 11.Therefore, by making
One end cap 13 is located by connecting between pump case 12 and injection molding body 211, the second end cap 31 is located by connecting on injection molding body 211, energy
Enough ensure the exact positional relationship between each part of electronic water pump.
In addition, the connection in order to strengthen pump case 12, the first end cap 13 and injection molding body 211, and the second end cap 31 and injection
The connection of body 211, bolt 24 is preferably several, and is uniformly distributed along the circumference of electronic water pump.
In order to ensure being accurately positioned for each part in electronic water pump, the present invention is preferably in the first end cap 13 and the second end cap 31
Inside it is separately provided for positioning the detent at the two ends of the injection molding body 211.The detent can be respectively with note
The annular recess that the both ends of plastomer 211 coordinate.
Wherein, in order to ensure the sealing assembled between the first end cap 13, the end cap 31 of injection molding body 211 and second, so as to keep away
Exempt from external environment condition liquid intrusion and electronic water pump inside coolant leakage, as shown in Fig. 2 the detent with it is described
The joint of the outer peripheral face of injection molding body 211 is provided with exterior seal ring 214, to realize outside sealing (the i.e. electronic water of electronic water pump
Sealing in pump at housing assembling)；The joint of the detent and the inner peripheral surface of the injection molding body 211 is provided with interior sealing
Circle 215, to realize the inner sealing (sealing of the cooling circuit i.e. inside electronic water pump) of electronic water pump.The present invention is by above-mentioned
The sealing means of " dual fail-safe ", can effectively prevent that liquid in electronic water pump external environment condition from being invaded and internal coolant is let out
Leakage.
In addition, in the present invention, also there is the structure of cooling circuit inside the electronic water pump, wherein, the armature spindle 23
Be formed as being provided with the through hole 132 for axially penetrating through first end cap 13, second end on hollow form, first end cap 13
Axially grooved 312 (referring to the Fig. 3) connected with the hollow space of the armature spindle 23 are provided with lid 31.
By such scheme, the coolant inside electronic water pump of the present invention can enter injection molding body 211 and turn from through hole 132
The gap of son 22, then flows out after the hollow spaces of axially grooved 312 entrance armature spindles 23, so as to realize oneself of electronic water pump
Cooling and the lubrication of sliding bearing.
Wherein, preferably, the through hole 132 can be multiple, and arranged around the armature spindle 23.Open the axial direction
Groove 312 can also be multiple, and be arranged around the armature spindle 23.
The preferred embodiment of the present invention is described in detail above in association with accompanying drawing, still, the present invention is not limited to above-mentioned reality
The detail in mode is applied, in the range of the technology design of the present invention, a variety of letters can be carried out to technical scheme
Monotropic type, these simple variants belong to protection scope of the present invention.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance
In the case of shield, it can be combined by any suitable means.In order to avoid unnecessary repetition, the present invention to it is various can
The combination of energy no longer separately illustrates.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should equally be considered as content disclosed in this invention.
Claims (10)
1. a kind of electronic water pump, it is characterised in that the electronic water pump includes：
Impeller (11) is provided with first housing (10), first housing (10)；
Motor (20), the motor (20) is used to drive the impeller (11), and the motor (20) includes the stator that injection is integrated
(21), the stator (21) includes injection molding body (211) and stator core (212) and stator in the injection molding body (211)
Winding (213)；With
The control panel electrically connected with the stator (21) is provided with second housing (30), second housing (30),
Wherein, the injection molding body (211) is fixedly connected between first housing (10) and the second housing (30).
2. electronic water pump according to claim 1, it is characterised in that the motor (20) also includes being located at the stator
(21) rotor (22) in, one end of the armature spindle (23) of the rotor (22) is connected to the impeller (11), and the other end can revolve
It is connected to second housing (30) with turning.
3. electronic water pump according to claim 2, it is characterised in that first housing (10) includes pump case (12) and the
One end cap (13), one end for being connected to the impeller (11) of the armature spindle (23) is run through first end cap (13) and passed through
First sliding bearing sleeve (131) is rotatably supported at first end cap (13).
4. electronic water pump according to claim 3, it is characterised in that first end cap (13) is clamped to the pump
Between shell (12) and the injection molding body (211).
5. electronic water pump according to claim 3, it is characterised in that second housing (30) includes the second end cap (31)
With the cover plate (32) for being arranged at the second end cap (31) outer end, the other end of the armature spindle (23) passes through the second sliding bearing
Set (311) is rotatably supported at second end cap (31).
6. electronic water pump according to claim 5, it is characterised in that first end cap (13) and second end cap
(31) it is separately provided for positioning the detent at the two ends of the injection molding body (211) in.
7. electronic water pump according to claim 6, it is characterised in that the detent and the injection molding body (211)
The joint of outer peripheral face is provided with exterior seal ring (214).
8. electronic water pump according to claim 6, it is characterised in that the detent and the injection molding body (211)
The joint of inner peripheral surface is provided with inner seal ring (215).
9. electronic water pump according to claim 5, it is characterised in that the armature spindle (23) is formed as hollow form, described
It is provided with the through hole (132) for axially penetrating through first end cap (13), second end cap (31) and sets on first end cap (13)
It is equipped with axially grooved (312) connected with the hollow space of the armature spindle (23).
10. electronic water pump according to claim 9, it is characterised in that the through hole (132) is multiple, and around described
Armature spindle (23) is arranged；And/or described axially grooved (312) are multiple, and around the armature spindle (23) arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710640157.4A CN107269546A (en) | 2017-07-31 | 2017-07-31 | Electronic water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710640157.4A CN107269546A (en) | 2017-07-31 | 2017-07-31 | Electronic water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107269546A true CN107269546A (en) | 2017-10-20 |
Family
ID=60075039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710640157.4A Pending CN107269546A (en) | 2017-07-31 | 2017-07-31 | Electronic water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107269546A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108895032A (en) * | 2018-09-07 | 2018-11-27 | 佛山市南海区丹灶恒笙电机厂 | A kind of suction pump |
| CN116388416A (en) * | 2023-03-31 | 2023-07-04 | 盈智热管理科技(嘉兴)有限公司 | Platform electronic oil pump |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2993449A (en) * | 1959-03-09 | 1961-07-25 | Hydratomic Engineering Corp | Motor-pump |
| EP1503083A1 (en) * | 2003-07-30 | 2005-02-02 | Industrie Saleri Italo S.p.a. | An electric pump for cooling circuits |
| CN102454641A (en) * | 2010-10-27 | 2012-05-16 | 日本电产三协株式会社 | Pump device |
| CN103261705A (en) * | 2010-08-25 | 2013-08-21 | 麦格纳动力系有限公司 | Electric water pump with stator cooling |
| CN204783716U (en) * | 2015-07-06 | 2015-11-18 | 龙口中宇热管理系统科技有限公司 | Brushless electric water pump of automobile -used direct current |
-
2017
- 2017-07-31 CN CN201710640157.4A patent/CN107269546A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2993449A (en) * | 1959-03-09 | 1961-07-25 | Hydratomic Engineering Corp | Motor-pump |
| EP1503083A1 (en) * | 2003-07-30 | 2005-02-02 | Industrie Saleri Italo S.p.a. | An electric pump for cooling circuits |
| CN103261705A (en) * | 2010-08-25 | 2013-08-21 | 麦格纳动力系有限公司 | Electric water pump with stator cooling |
| CN102454641A (en) * | 2010-10-27 | 2012-05-16 | 日本电产三协株式会社 | Pump device |
| CN204783716U (en) * | 2015-07-06 | 2015-11-18 | 龙口中宇热管理系统科技有限公司 | Brushless electric water pump of automobile -used direct current |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108895032A (en) * | 2018-09-07 | 2018-11-27 | 佛山市南海区丹灶恒笙电机厂 | A kind of suction pump |
| CN116388416A (en) * | 2023-03-31 | 2023-07-04 | 盈智热管理科技(嘉兴)有限公司 | Platform electronic oil pump |
| CN116388416B (en) * | 2023-03-31 | 2024-02-23 | 盈智热管理科技(嘉兴)有限公司 | Platform electronic oil pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20190522 Address after: 528311 Building No. 21 Gangqian Road, Industrial Park, Beijiao Town, Shunde District, Foshan City, Guangdong Province Applicant after: GUANGDONG WELLING AUTO PARTS Co.,Ltd. Address before: 528000 No. 27 Xingye Road, Beijiao Industrial Park, Shunde, Foshan City, Guangdong Province Applicant before: GUANGDONG WELLING MOTOR MANUFACTURING Co.,Ltd. Applicant before: MIDEA WELLING MOTOR TECHNOLOGY (SHANGHAI) Co.,Ltd. |
|
| TA01 | Transfer of patent application right | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171020 |
|
| RJ01 | Rejection of invention patent application after publication |