CN206267907U - A kind of electronic oil pump - Google Patents
A kind of electronic oil pump Download PDFInfo
- Publication number
- CN206267907U CN206267907U CN201621202625.7U CN201621202625U CN206267907U CN 206267907 U CN206267907 U CN 206267907U CN 201621202625 U CN201621202625 U CN 201621202625U CN 206267907 U CN206267907 U CN 206267907U
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- CN
- China
- Prior art keywords
- oil pump
- motor
- lubricating oil
- thermal insulation
- insulation board
- 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.)
- Withdrawn - After Issue
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Abstract
The application provides a kind of electronic oil pump, and the electronic oil pump includes motor, lubricating oil pump；The motor drive shaft is coaxially connected with the lubricating oil pump input shaft；The lubricating oil pump is driven by the motor drive shaft；Characterized in that, being provided with thermal insulation board in the middle of the opposite face of the motor and the lubricating oil pump, motor end face is separated with the lubricating oil pump end face.The electronic oil pump, overcomes due to the too high caused electric motor operation efficiency reduction of oil temperature, drive control plate fault rate defect high.
Description
Technical field
The application is related to technical field of automobile engine, specifically related to a kind of electronic oil pump.
Background technology
As engine technology constantly improves, increasing electrical components are used on engine；For example, sending out at present
Motivation lubricating oil pump commonly uses motor lubricating oil pump as auxiliary oil pump.
Under prior art, the oil pump casing of electronic oil pump is joined directly together with motor field frame and connects.Due to oil temperature
It is higher, typically at 90 DEG C -120 DEG C, 145 DEG C are can reach, heat can pass to motor field frame by oil pump casing, and
The parts such as stator coils of motor and the drive control plate that is connected with the motor are further passed to, makes these positions
Temperature is raised.
The temperature of stator coils of motor is raised, and motor operation will be caused unstable, is even made under extreme case electronic
Machine cisco unity malfunction；Drive control plate temperature is too high, and the electronic component service life in drive control plate can be caused to reduce,
And in turn result in drive control plate fault rate and significantly raise, seriously reduce its service life.
The content of the invention
The application provides a kind of electronic oil pump, overcomes due to the too high caused electric motor operation efficiency drop of oil temperature
It is low, drive control plate fault rate defect high.
The embodiment of the present application provides a kind of electronic oil pump, and the electronic oil pump includes motor, lubricating oil pump；
The motor drive shaft is coaxially connected with the lubricating oil pump input shaft；The lubricating oil pump is driven by the motor
Moving axis drives；Characterized in that, thermal insulation board is installed between the opposite face of the motor and the lubricating oil pump, by motor
End face separates with the lubricating oil pump end face.
Optionally, it is provided with thermal insulation board through hole on the thermal insulation board；Lubricating oil pump through hole, institute are correspondingly provided with the lubricating oil pump
The blind hole that certain depth is also correspondingly arranged on motor end face is stated, the lubricating oil pump through hole, described is sequentially passed through using fixture
Thermal insulation board through hole inserts the blind hole on the motor end face, so as to realize described in the motor and the lubricating oil pump
Opposite face between thermal insulation board is installed.
Optionally, the sleeve part of the thermal insulation board including sleeve-shaped and it is arranged on sleeve part one end and in the end end face
The gasket part stretched out；The motor and the drive shaft end that the opposite face of the lubricating oil pump is that the motor drive shaft stretches out
Face, the drive shaft extended position of the drive shaft end face has a recessed stepped hole, the sleeve part external diameter of the thermal insulation board with it is described
The internal diameter matching of stepped hole, the depth of the stepped hole is matched with the length of the thermal insulation board sleeve part, and the thermal insulation board can
The stepped hole is inserted with its sleeve part, the gasket part is fitted in the motor-driven axial end.
Optionally, the opposite face of the lubricating oil pump and the motor sets a boss, the external diameter of the boss with it is described
The sleeve part internal diameter matching of thermal insulation board, the length of the boss is matched with the length of the sleeve part of the thermal insulation board, made described convex
Platform can be placed in the sleeve part, so as to ensure that the gasket part can be fitted on the lubricating oil pump end face.
Optionally, the boss middle part is provided with the oil sealing accommodating hole in outer face opening, and the oil sealing accommodating hole is used to put
Put oil sealing.
Optionally, the thermal insulation board through hole at least two.
Optionally, the fixture includes：Screw or key.
Optionally, by driver control, the driver is arranged on the motor motor, and by wire
It is connected with motor.
Optionally, the driver includes drive control plate and actuator housing, and the drive control plate is provided with driving
The circuit element of motor, the actuator housing is used to dispose the drive control plate.
Optionally, the motor drive shaft of the motor shares same and turns with the lubricating oil pump input shaft of the lubricating oil pump
Axle；Its one end is supported by the lubricating oil pump, and the other end is supported by the actuator housing of the driver.
Optionally, thermal conductive silicon rubber cushion is placed between the bonnet of the drive control plate and the actuator housing.
Optionally, covered after the actuator housing and be provided with fin.
Optionally, one kind for being shaped as following form of the thermal insulation board：Plectane or equally distributed two or more otic placode.
Optionally, the motor includes motor field frame, and the motor case external surface is provided with fin.
Optionally, the lubricating oil pump is using one of following form:Vane type lubricating oil pump or rotor-type oil pump.
Optionally, the thermal insulation board is resistant to elevated temperatures nonmetallic engineering material thermal insulation board.
Compared with prior art, the application has advantages below:
The application provides a kind of electronic oil pump, and the motor drive shaft is coaxially connected with the lubricating oil pump input shaft；
The lubricating oil pump is driven by the motor drive shaft；Be provided with the middle of the opposite face of the motor and the lubricating oil pump every
Hot plate, motor end face is separated with the lubricating oil pump end face.
Electronic oil pump in the application, thermal insulation board is installed by the middle of the opposite face of motor and lubricating oil pump, is realized
Motor is separated with lubricating oil pump, has blocked the direct heat transfer between motor and lubricating oil pump, and heat will not be by machine oil
Housing is directly passed to motor field frame, significantly reduce electric motor operation temperature, it is to avoid motor is made because temperature is too high
Into operating it is unstable；Meanwhile, this programme also reduces the temperature of drive control plate, improves its electronic component life-span, drives
Dynamic control panel fault rate reduction, above-mentioned factor can effectively extend the service life of motor in electronic oil pump.
Brief description of the drawings
Fig. 1 is the electronic oil pump structure chart that embodiments herein is provided.
Fig. 2 is the profile of the electronic oil pump that embodiments herein is provided.
Specific embodiment
It is below in conjunction with the accompanying drawings and specific real in order to be more clearly understood that above-mentioned purpose, the feature and advantage of the application
Mode is applied to be further described in detail the application.It should be noted that in the case where not conflicting, the implementation of the application
Feature in example and embodiment can be mutually combined.
Elaborate many details in order to fully understand the application in the following description.But, the application can
Implemented with being much different from other manner described here, those skilled in the art can be in the feelings without prejudice to the application intension
Similar popularization is done under condition, therefore, the application is not limited by following public specific implementation.
Embodiments herein provides a kind of electronic oil pump, and Fig. 1 is the electric motor oil that embodiments herein is provided
Pump configuration figure, Fig. 2 is the profile of the electronic oil pump that embodiments herein is provided, and shows the internal junction of electronic oil pump
Structure.The structure of the electronic oil pump is illustrated below in conjunction with Fig. 1 and Fig. 2.
As shown in figure 1, the electronic oil pump includes lubricating oil pump 1, thermal insulation board 2, motor 3.
The lubricating oil pump can use vane type lubricating oil pump or rotor-type oil pump.
In Fig. 2, the lubricating oil pump 1 is rotor-type oil pump, including：Oil pump cover 1-1, oil pump casing 1-2, internal rotor
1-4, outer rotor 1-3.The internal rotor 1-4 is fixed on the outside of the drive shaft 3-1, and outer rotor 1-3 turns with internal rotor 1-4
It is dynamic；There is eccentric throw between outer rotor 1-3 and internal rotor 1-4.
There is lobe in the internal rotor 1-4 outsides, and the quantity that there is concave tooth, the concave tooth outer rotor 1-3 inner sides is more than institute
Double wedge is stated, the outer rotor 1-3 and internal rotor 1-4 is internal messing.
The motor 3 includes drive shaft 3-1, motor stator 3-2, motor rotor 3-3, motor field frame 3-4.
The motor rotor 3-3 is arranged on the outside of the drive shaft 3-1；The motor stator 3-2 is arranged on electricity
Motivation housing 3-4 inner sides；There is air gap between the motor stator 3-2 and motor rotor 3-3, to ensure rotor in stator
Chamber interior energy is freely rotated.The outer wound around coil of the motor stator 3-2, when power supply provides voltage to stator, and is produced by stator
Rotor (coil of mouse cage or Wound-rotor type) is connected between raw rotating excitation field and induces alternating voltage.
The motor field frame 3-4 outer surfaces are provided with fin, and fin is set outside motor field frame can be dissipated rapidly
The heat produced in dynamotor work, prevents electronic built-in temperature too high, prevents the quick aging of motor winding, extends
Service life of motor.
A thermal insulation board 2 is installed in the middle of the motor 3 and the opposite face of the lubricating oil pump 1, by the end face of motor 3 with
The end face of the lubricating oil pump 1 separates；The motor drive shaft 3-1 is coaxially connected with the lubricating oil pump input shaft, the machine oil
Pump 1 is driven by the motor drive shaft 3-1.
The shape of thermal insulation board can have various design shapes described in the thermal insulation board 2, and design the simplest is will be heat-insulated
Plate is set to complete plectane or the annular slab with equally distributed two or more otic placode.Can also have for other shapes of
Certain thickness thermal insulation board.
In order to fix the thermal insulation board 2, thermal insulation board through hole is provided with the thermal insulation board；When the shape of thermal insulation board 2 is used
Under the structure of the foregoing annular slab with two or more otic placode, the thermal insulation board through hole is generally located on each otic placode
On；No matter using the thermal insulation board 2 of which kind of shape, the thermal insulation board through hole should typically be set to two or more, to protect
The fastness that card thermal insulation board is installed.Lubricating oil pump through hole is correspondingly provided with the lubricating oil pump 1, is also corresponded on the end face of the motor 3
The blind hole of certain depth is set, during installation, is sequentially passed through the lubricating oil pump through hole, the thermal insulation board through hole using fixture and is inserted
The blind hole on the motor end face, so as to realize described between the opposite face of the motor 3 and the lubricating oil pump 1
Thermal insulation board 2 is installed.
The fixture can using screw or key or other can be arranged on the motor end face by thermal insulation board is firm
With the fixture of the lubricating oil pump end face.
In the present embodiment, for the ease of installing and fixing the thermal insulation board, complex heat insulation plate structure is devised.Such as
Shown in Fig. 2, the sleeve part 2-2 of the thermal insulation board 2 including sleeve-shaped and sleeve part 2-2 one end is arranged on and in the end end face
The gasket part 2-1 for stretching out；The motor 3 and the drive that the opposite face of the lubricating oil pump 1 is that the motor drive shaft 3-1 stretches out
Moving axis end face, the drive shaft extended position of the drive shaft end face has recessed stepped hole, outside the sleeve part 2-2 of the thermal insulation board
Footpath is matched with the internal diameter of the stepped hole, and the depth of the stepped hole is matched with the length of the thermal insulation board sleeve part 2-2, described
Thermal insulation board 2 can insert the stepped hole with its sleeve part 2-2, the gasket part 2-1 is fitted in the motor drive shaft
On 3-1 end faces；Figure it is seen that gasket part 2-1 is the portion for realizing separating motor end face with the lubricating oil pump end face
Position, is the main body section of thermal insulation board.
The opposite face of the lubricating oil pump 1 and the motor 3 sets a boss 1-5, the external diameter of the boss 1-5 with it is described
The sleeve part 2-2 internal diameters matching of thermal insulation board, the length of the boss 1-5 is matched with the length of the sleeve part 2-2 of the thermal insulation board,
The boss 1-5 is set to be placed in the sleeve part 2-2, so as to ensure that the gasket part 2-1 can be fitted in the machine oil
On pump end face.
The boss 1-5 middle parts are provided with the oil sealing accommodating hole in outer face opening, and the oil sealing accommodating hole is used to place oil
Envelope 5.Oil sealing 5 separates lubricating oil pump 1 with motor 3, prevents the oil of the lubricating oil pump 1 to be splashed to the side of the motor 3.
The thermal insulation board causes that oil pump casing is separated with motor field frame, the oil pump casing and motor field frame it
Between form gap, blocked the heat transfer between motor and lubricating oil pump, heat will not pass to motor by machine oil housing
Housing, it is to avoid motor will not produce operation irregularity because of high temperature, it also avoid drive control plate electronic component because of high temperature
Caused failure, extends the service life of whole motor component.
In order to obtain preferable effect of heat insulation, the thermal insulation board 2 is manufactured using resistant to elevated temperatures nonmetallic engineering material, for example
PPS (polyphenylene sulfide) plastics are a kind of novel high-performance thermoplastic resins, with high mechanical strength, high temperature resistant, chemical-resistant resistance
The advantages of property, good fire retardant, heat endurance, excellent electrical properties.It is widely used in electronics, automobile, machinery and chemical field.
Preferably, if the motor 3 is brshless DC motor, the electronic oil pump also includes driver 4.It is described
Motor 3 is controlled by driver 4, and the driver 4 is arranged on the motor 3, and is connected with the motor 3 by wire
Connect.The driver 4 passes through the startup of motor 3 and velocity of rotation described in programme-control.
The driver 4 includes that drive control plate 4-2 and actuator housing 4-1, the drive control plate 4-2 are provided with drive
The circuit element of dynamic motor, the actuator housing 4-1 is used to dispose the drive control plate 4-2.
In the present embodiment, the lubricating oil pump input shaft reality of the motor drive shaft 3-1 of the motor and the lubricating oil pump
It is to share same rotating shaft on border；Its one end is supported by the lubricating oil pump 1, the other end by the driver actuator housing 4-
1 support.
In order to further improve the heat dispersion of electronic oil pump, in the drive control plate 4-2 and the drive shell
Thermal conductive silicon rubber cushion 4-3 is placed between the bonnet 4-4 supports of body.The thermal conductive silicon rubber cushion 4-3 can accelerate electricity on drive control plate 4-2
The heat transfer of gas element so that temperature is effectively controlled on drive control plate 4-2, slow down the aging speed of electrical equipment,
Fault rate is reduced, the reliability of electronic oil pump is improve.
Additionally, setting fin in the outside of the actuator housing 4-1 and bonnet 4-4, set outside actuator housing
Fin can rapidly distribute the heat produced in driver work, prevent temperature in driver 4 too high, so that drive control plate
The upper temperature of 4-2 is effectively controlled, and improves the reliability of electronic oil pump.
The effect that the application is played in electric motor oil pump work is introduced with reference to Fig. 1 and Fig. 2.
The operation principle of the electronic oil pump:After drive control plate 4-2 is powered, according to the temperature, rotating speed, the pressure that detect
The signals such as power, current duty cycle is adjusted according to the program in drive control plate 4-2, and motor stator 3-2 is rotated, motor stator
3-2 drives drive shaft 3-1 to rotate, and then drives the internal rotor 1-4 in lubricating oil pump 1 to rotate, and internal rotor 1-4 drives outer rotor 1-3
Rotate, lubricating oil pump realizes pump oil function.As the continuous pump oil of lubricating oil pump, inner and outer rotors ceaselessly run at high speed, cause machine oil
Temperature in pump is constantly raised, and due to being provided with heat insulating mattress between lubricating oil pump and motor, reduces heat transfer, is effectively prevented
The heat of lubricating oil pump is transmitted on motor；In addition, fin is also provided with motor field frame, also can be by motor
Heat is distributed rapidly；And under the thermal conductive silicon rubber cushion and the collective effect of fin for setting on a drive so that drive
Heat on control panel is dissipated rapidly, it is therefore prevented that electrical equipment it is aging, improve the functional reliability of electronic oil pump, prolong
Service life is grown.
Although the application is disclosed as above with preferred embodiment, it is not for limiting the application, any this area skill
Art personnel can make possible variation and modification not departing from spirit and scope, thus the application guarantor
The scope that shield scope should be defined by the application claim is defined.
Claims (16)
1. a kind of electronic oil pump, the electronic oil pump includes motor, lubricating oil pump；
The motor drive shaft is coaxially connected with the lubricating oil pump input shaft；The lubricating oil pump passes through the motor drive shaft
Drive；Characterized in that, thermal insulation board is installed between the opposite face of the motor and the lubricating oil pump, by motor end face
Separate with the lubricating oil pump end face.
2. electronic oil pump according to claim 1, it is characterised in that thermal insulation board through hole is provided with the thermal insulation board；
Lubricating oil pump through hole is correspondingly provided with the lubricating oil pump, the blind hole of certain depth is also correspondingly arranged on the motor end face, used
Fixture sequentially passes through the blind hole that the lubricating oil pump through hole, the thermal insulation board through hole are inserted on the motor end face, from
And thermal insulation board is installed between the opposite face of the motor and the lubricating oil pump described in realizing.
3. electronic oil pump according to claim 1, it is characterised in that the thermal insulation board include sleeve-shaped sleeve part,
And it is arranged on sleeve part one end and the gasket part stretched out in the end end face；The motor is with the opposite face of the lubricating oil pump
The drive shaft end face that the motor drive shaft stretches out, the drive shaft extended position of the drive shaft end face has recessed step
Hole, the sleeve part external diameter of the thermal insulation board is matched with the internal diameter of the stepped hole, the depth of the stepped hole and the thermal insulation board
The length matching of sleeve part, the thermal insulation board can insert the stepped hole, the gasket part is fitted in institute with its sleeve part
State in motor-driven axial end.
4. electronic oil pump according to claim 3, it is characterised in that the opposite face of the lubricating oil pump and the motor
One boss is set, and the external diameter of the boss is matched with the sleeve part internal diameter of the thermal insulation board, the length of the boss with it is described every
The length matching of the sleeve part of hot plate, enables the boss to be placed in the sleeve part, so as to ensure that the gasket part can
It is fitted on the lubricating oil pump end face.
5. electronic oil pump according to claim 4, it is characterised in that the boss middle part is provided with outer face opening
Oil sealing accommodating hole, the oil sealing accommodating hole be used for place oil sealing.
6. electronic oil pump according to claim 2, it is characterised in that the thermal insulation board through hole at least two.
7. electronic oil pump according to claim 2, it is characterised in that the fixture includes：Screw or key.
8. electronic oil pump according to claim 2, it is characterised in that the motor by driver control, the drive
Dynamic device is arranged on the motor, and is connected with motor by wire.
9. electronic oil pump according to claim 8, it is characterised in that the driver includes drive control plate and driving
Device housing, the drive control plate is provided with the circuit element of drive motor, and the actuator housing is used to dispose the drive
Dynamic control panel.
10. electronic oil pump according to claim 9, it is characterised in that the motor drive shaft of the motor and institute
The lubricating oil pump input shaft for stating lubricating oil pump shares same rotating shaft；Its one end is supported by the lubricating oil pump, and the other end is by the driving
The actuator housing support of device.
11. electronic oil pumps according to claim 10, it is characterised in that in the drive control plate and the driver
Thermal conductive silicon rubber cushion is placed between the bonnet of housing.
12. electronic oil pumps according to claim 9, it is characterised in that setting is covered after the actuator housing
There is fin.
13. electronic oil pumps according to claim 1, it is characterised in that the thermal insulation board is shaped as following form
It is a kind of：Plectane or equally distributed two or more otic placode.
14. electronic oil pumps according to claim 1, it is characterised in that the motor includes motor field frame, described
Motor case external surface is provided with fin.
15. electronic oil pumps according to claim 1, it is characterised in that the lubricating oil pump is using one of following form:Leaf
Chip lubricating oil pump or rotor-type oil pump.
16. electronic oil pumps according to claim 1, it is characterised in that the thermal insulation board is resistant to elevated temperatures nonmetallic work
Journey material thermal insulation board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621202625.7U CN206267907U (en) | 2016-11-08 | 2016-11-08 | A kind of electronic oil pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621202625.7U CN206267907U (en) | 2016-11-08 | 2016-11-08 | A kind of electronic oil pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206267907U true CN206267907U (en) | 2017-06-20 |
Family
ID=59038700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621202625.7U Withdrawn - After Issue CN206267907U (en) | 2016-11-08 | 2016-11-08 | A kind of electronic oil pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206267907U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106567756A (en) * | 2016-11-08 | 2017-04-19 | 东风汽车泵业有限公司 | Motor oil pump |
-
2016
- 2016-11-08 CN CN201621202625.7U patent/CN206267907U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106567756A (en) * | 2016-11-08 | 2017-04-19 | 东风汽车泵业有限公司 | Motor oil pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190111 Address after: No. 36 Fengshen Avenue, Zhangwan Industrial New Area, Shiyan City, Hubei Province, 442000 Patentee after: Dongfeng Fuao Pump Co., Ltd. Address before: No. 36 Fengshen Avenue, Zhangwan District, Shiyan City, Hubei Province, 442000 Patentee before: DONGFENG MOTOR PUMP CO., LTD. |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170620 Effective date of abandoning: 20190816 |