CN108548080A - Oil piping system and its circulation controlling means - Google Patents
Oil piping system and its circulation controlling means Download PDFInfo
- Publication number
- CN108548080A CN108548080A CN201810603018.9A CN201810603018A CN108548080A CN 108548080 A CN108548080 A CN 108548080A CN 201810603018 A CN201810603018 A CN 201810603018A CN 108548080 A CN108548080 A CN 108548080A
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- Prior art keywords
- oil
- piping system
- temperature
- circuit
- regulating valve
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Links
- 239000003921 oil Substances 0.000 claims abstract description 95
- 239000010687 lubricating oil Substances 0.000 claims abstract description 53
- 230000001105 regulatory effect Effects 0.000 claims abstract description 31
- 238000001514 detection method Methods 0.000 claims abstract description 25
- 238000005461 lubrication Methods 0.000 claims abstract description 8
- 238000010438 heat treatment Methods 0.000 claims abstract description 6
- 239000012535 impurity Substances 0.000 claims abstract description 4
- 238000001914 filtration Methods 0.000 claims abstract description 3
- 230000001276 controlling effect Effects 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 description 6
- 238000001816 cooling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 239000010705 motor oil Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N7/00—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated
- F16N7/38—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated with a separate pump; Central lubrication systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N39/00—Arrangements for conditioning of lubricants in the lubricating system
- F16N39/02—Arrangements for conditioning of lubricants in the lubricating system by cooling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N39/00—Arrangements for conditioning of lubricants in the lubricating system
- F16N39/04—Arrangements for conditioning of lubricants in the lubricating system by heating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N39/00—Arrangements for conditioning of lubricants in the lubricating system
- F16N39/06—Arrangements for conditioning of lubricants in the lubricating system by filtration
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N39/00—Arrangements for conditioning of lubricants in the lubricating system
- F16N2039/007—Using strainers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N2210/00—Applications
- F16N2210/18—Electric motors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N2250/00—Measuring
- F16N2250/08—Temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N2270/00—Controlling
- F16N2270/50—Condition
- F16N2270/52—Viscosity
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N2270/00—Controlling
- F16N2270/50—Condition
- F16N2270/56—Temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N2280/00—Valves
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The invention discloses a kind of oil piping systems, and for being lubricated to oil-cooled motor, the oil piping system includes：Oil pump, for driving lubricating oil to be recycled in the oil piping system；Oil filter, for filtering the impurity in the lubricating oil exported in the oil pump；Heat exchanger, for the heating device in filtered lubricating oil and the oil piping system to be carried out heat exchange；Thermal detector, for detecting the temperature of lubricating oil in the oil piping system in real time and being denoted as detection temperature；Regulating valve adjusts open and-shut mode according to the detection temperature；Wherein, the oil circuit between oil pump, regulating valve and oil-cooled motor is sequentially connected first circuit of the composition for lubrication oil circulation, and the oil circuit between oil pump, oil filter, heat exchanger and oil-cooled motor is sequentially connected second servo loop of the composition for lubrication oil circulation.
Description
Technical field
The invention belongs to oil-cooled motor systems design area, more particularly, to a kind of for being lubricated to oil-cooled motor
Oil piping system and its circulation controlling means.
Background technology
For pure electric vehicle, the electric oil pump used in oil-cooled motor is compared to used electricity in transfer gear box
Dynamic oil pump needs higher traffic requirement, and flow demand is generally 5 to 15LPM；However, in the prior art, oil-cooled motor
Oil circuit generally lubricating oil be delivered in oil filter by electric oil pump filter, then filtered lubricating oil is delivered to heat
Heat exchange is carried out in exchanger, is finally delivered in motor and transmission system and is lubricated, the problem of system maximum is, when outer
When boundary's environment is under cryogenic conditions, when being specifically less than 10 degrees Celsius, lubricating oil viscosity is in normal working temperature（70 take the photograph
Family name's degree）When 40 times, under the flow of 5LPM, the fluid impedance of oil filter and heat exchanger increases to from about 25kpa
1000kpa, electric oil pump can not provide enough output pressure driving lubricating oil and flow through oil filter and heat exchanger, result in
Motor and transmission system cannot effectively lubricate under low temperature environment, and since lubricating oil does not recycle in system, also without
Method carries out heating heating by heat generating components such as motors.
Invention content
In order to solve the above-mentioned technical problem, the present invention proposes a kind of oil piping system, for being lubricated to oil-cooled motor,
The oil piping system includes：
Oil pump, for driving lubricating oil to be recycled in the oil piping system；
Oil filter, for filtering the impurity in the lubricating oil exported in the oil pump；
Heat exchanger, for the heating device in filtered lubricating oil and the oil piping system to be carried out heat exchange；
Thermal detector, for detecting the temperature of lubricating oil in the oil piping system in real time and being denoted as detection temperature；
Regulating valve adjusts open and-shut mode according to the detection temperature；
Wherein, the oil circuit between the oil pump, regulating valve and oil-cooled motor is sequentially connected first time formed for lubrication oil circulation
Road, the oil circuit between the oil pump, oil filter, heat exchanger and oil-cooled motor are sequentially connected composition for the second of lubrication oil circulation
Circuit；
The oil piping system is provided with threshold temperature, when the detection temperature is less than threshold temperature, the regulating valve open with
Lubricating oil is set to be recycled in first circuit；
When the detection temperature is greater than or equal to threshold temperature, the regulating valve is closed so that lubricating oil is from first circuit
It switches in second servo loop and recycles.
As a further improvement on the present invention, it is communicated to connect between the thermal detector and regulating valve.
As a further improvement on the present invention, the thermal detector is integrally disposed in the regulating valve.
As a further improvement on the present invention, the threshold temperature is set as 20 degrees Celsius.
The invention also provides it is a kind of as above in any oil piping system circulation controlling means, the loop control
Method includes step：
Threshold temperature is set；
The thermal detector is controlled to detect the temperature of lubricating oil in the oil piping system in real time and be denoted as detection temperature；
When the detection temperature is less than threshold temperature, controls the regulating valve and open so that lubricating oil is in first circuit
Cycle；
When the detection temperature is greater than or equal to threshold temperature, the regulating valve is closed so that lubricating oil is from first circuit
It switches in second servo loop and recycles.
As a further improvement on the present invention, the step is " when the detection temperature is less than threshold temperature, described in control
Regulating valve is opened so that lubricating oil recycles in first circuit " further include：
When lubricating oil recycles in first circuit, temperature gradually rises under the heat transfer of the oil-cooled motor.
Advantageous effect：Oil piping system and its circulation controlling means proposed by the present invention, by the lubrication under low temperature environment
Oil provides effectively lubricating by the first circuit for oil-cooled motor, and oil temperature to be lubricated again cuts lubricating oil after ging up to threshold temperature
It shifts to circulation continuous in second servo loop to lubricate oil-cooled motor, improves the reliability and stability of system.
Description of the drawings
Fig. 1 is the oil piping system schematic block diagram in one embodiment of the invention；
Fig. 2 is the circulation controlling means flow chart of interior oil piping system in one embodiment of the invention.
Specific implementation mode
In order to make those skilled in the art more fully understand the technical solution in the present invention, below in conjunction with of the invention real
The attached drawing in example is applied, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
The every other embodiment that technical staff is obtained without making creative work, should all belong to protection of the present invention
Range.
In addition, the label repeated or mark may be used in various embodiments.These are repeated only for simple clear
The ground narration present invention, not representing has any relevance between the different embodiments or structure discussed.
Join shown in Fig. 1, the present invention proposes a kind of oil piping system, is mainly used for the oil cooling used in pure electric automobile
Motor 100 is lubricated；Specifically, oil piping system include oil pump 200, oil filter 300, heat exchanger 400, thermal detector and
Regulating valve 500；Wherein, the oil circuit between oil pump 200, regulating valve 500 and oil-cooled motor 100, which is sequentially connected composition, has for lubricating oil
First circuit of cycle, the oil circuit between oil pump 200, oil filter 300, heat exchanger 400 and oil-cooled motor 100 are sequentially connected group
At the second servo loop having for lubrication oil circulation.
Further, the oil pump 200 in the present embodiment is set as electric oil pump 200, be mainly used for provide output pressure and
Suction is to drive lubricating oil to be recycled in the first circuit or second servo loop；Oil filter 300 is mainly used for exporting in filter oil pump 200
Impurity into the lubricating oil of second servo loop enhances the greasy property of lubricating oil to extend the service life of oil piping system；Heat is handed over
Parallel operation 400 is mainly used for cooling down filtered lubricating oil to the heating device in oil piping system.
Meanwhile the present invention in thermal detector be mainly used in real time detect oil piping system in lubricating oil Current Temperatures and will be warm
Degree is denoted as detection temperature, and then makes regulating valve 500 according to detection temperature to adjust open and-shut mode, in the present embodiment, thermal detector
It is set as temperature sensor and setting is in regulating valve 500, regulating valve 500 is set as electronic valve, and thermal detector and regulating valve
By communication connection between 500, so that the temperature signal that thermal detector detects can be timely feedbacked to regulating valve 500, certainly, at this
In invention other embodiment, regulating valve 500 may be set to be thermostat or with thermal detector it is integrally disposed can pass through temperature
Control the valve body of opening and closing.
Oil piping system in the present invention is additionally provided with threshold temperature, specifically, the threshold temperature in the present embodiment is set as
20 degrees Celsius, it is to be understood that in other embodiments of the present invention, threshold temperature can also be according to the specific weather for using ground
Feature is set.
Specifically, in the present embodiment, oil piping system is set in pure electric vehicle, when vehicle is under low temperature environment（One
As for less than subzero 10 degrees Celsius）And when needing to start, since lubricating oil viscosity greatly increases, under the flow of 5LPM,
So that the fluid impedance of oil filter 300 and heat exchanger 400 increases therewith（About 1000kpa）, in order to prevent lubricating oil can not arrive
It is lubricated up to oil-cooled motor 100, when detecting temperature less than threshold temperature, regulating valve 500 is opened so that lubricating oil is first
It is recycled in circuit so that the oil circuit of lubricating oil can bypass oil filter 300 and heat exchanger 400 and flow directly into oil-cooled motor
Oil-cooled motor 100 and transmission system are lubricated in 100, oil-cooled motor 100 and transmission system is enable to work normally.
Simultaneously as oil-cooled motor 100 and transmission system will produce heat in the running, when lubricating oil is lubricated
Can be by oil-cooled motor 100 and transmission system heat temperature raising, until when detection temperature is greater than or equal to threshold temperature, lubricating oil glues
Degree reduces, and the impedance of oil filter 300 and heat exchanger 400 also falls back to normal condition therewith（About 25kpa）, regulating valve at this time
500 close so that lubricating oil is recycled from the first loop switch to second servo loop, so that lubricating oil can be completed to filter and be radiated
Effect.
Further, join shown in Fig. 2, the invention also provides a kind of circulation controlling means of oil piping system, loop controls
Method includes the following steps：
S1, setting threshold temperature are 20 degrees Celsius；
S2, control thermal detector detect the temperature of lubricating oil in oil piping system and are denoted as detection temperature in real time；
S3, judge to detect whether temperature is less than threshold temperature；
If S4, detection temperature are less than threshold temperature, control to adjust valve 500 and open so that lubricating oil recycles in the first loop；
If S5, detection temperature are greater than or equal to threshold temperature, regulating valve 500 is closed so that lubricating oil is from the first loop switch to the
It is recycled in secondary circuit.
Meanwhile further including in step S4：
When lubricating oil recycles in the first loop, temperature gradually rises under the heat transfer of oil-cooled motor 100, so that lubricating oil can
Threshold temperature is heated to as early as possible to be recycled hence into second servo loop.
Lubricating oil under low temperature environment is passed through first by oil piping system and its circulation controlling means proposed by the present invention
Circuit is that oil-cooled motor 100 provides effectively lubricating, and lubricating oil is switched to the by oil temperature to be lubricated again after ging up to threshold temperature
Circulation continuous lubricates oil-cooled motor 100 in secondary circuit, improves the reliability and stability of system.
It should be appreciated that although this specification is described according to embodiment, not each embodiment only includes one only
Vertical technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should be by specification
As a whole, the technical solutions in the various embodiments may also be suitably combined, formed it will be appreciated by those skilled in the art that
Other embodiment.
The series of detailed descriptions listed above is illustrated only for possible embodiments of the invention,
Not to limit the scope of the invention, it is all without departing from equivalent embodiment made by technical spirit of the present invention or change should all
It is included within protection scope of the present invention.
Claims (6)
1. a kind of oil piping system, for being lubricated to oil-cooled motor, which is characterized in that the oil piping system includes：
Oil pump, for driving lubricating oil to be recycled in the oil piping system；
Oil filter, for filtering the impurity in the lubricating oil exported in the oil pump；
Heat exchanger, for the heating device in filtered lubricating oil and the oil piping system to be carried out heat exchange；
Thermal detector, for detecting the temperature of lubricating oil in the oil piping system in real time and being denoted as detection temperature；
Regulating valve adjusts open and-shut mode according to the detection temperature；
Wherein, the oil circuit between the oil pump, regulating valve and oil-cooled motor is sequentially connected first time formed for lubrication oil circulation
Road, the oil circuit between the oil pump, oil filter, heat exchanger and oil-cooled motor are sequentially connected composition for the second of lubrication oil circulation
Circuit；
The oil piping system is provided with threshold temperature, when the detection temperature is less than threshold temperature, the regulating valve open with
Lubricating oil is set to be recycled in first circuit；
When the detection temperature is greater than or equal to threshold temperature, the regulating valve is closed so that lubricating oil is from first circuit
It switches in second servo loop and recycles.
2. oil piping system according to claim 1, which is characterized in that communicated to connect between the thermal detector and regulating valve.
3. oil piping system according to claim 1, which is characterized in that the thermal detector is integrally disposed in the regulating valve
It is interior.
4. oil piping system according to claim 1, which is characterized in that the threshold temperature is set as 20 degrees Celsius.
5. a kind of circulation controlling means of oil piping system as described in any in claims 1 to 3, which is characterized in that described to follow
Ring control method includes step：
Threshold temperature is set；
The thermal detector is controlled to detect the temperature of lubricating oil in the oil piping system in real time and be denoted as detection temperature；
Judge whether the detection temperature is less than threshold temperature；
If the detection temperature is less than threshold temperature, controls the regulating valve and open so that lubricating oil follows in first circuit
Ring；
If the detection temperature is greater than or equal to threshold temperature, the regulating valve is closed so that lubricating oil is cut from first circuit
It shifts in second servo loop and recycles.
6. according to the circulation controlling means described in claim 4, which is characterized in that the step is " when the detection temperature is low
When threshold temperature, control the regulating valve and open so that lubricating oil recycles in first circuit " further include：
When lubricating oil recycles in first circuit, temperature gradually rises under the heat transfer of the oil-cooled motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810603018.9A CN108548080A (en) | 2018-06-12 | 2018-06-12 | Oil piping system and its circulation controlling means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810603018.9A CN108548080A (en) | 2018-06-12 | 2018-06-12 | Oil piping system and its circulation controlling means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108548080A true CN108548080A (en) | 2018-09-18 |
Family
ID=63493507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810603018.9A Pending CN108548080A (en) | 2018-06-12 | 2018-06-12 | Oil piping system and its circulation controlling means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108548080A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112234770A (en) * | 2019-07-15 | 2021-01-15 | 华为技术有限公司 | Oil-cooled motor control device and method |
| CN114665663A (en) * | 2022-03-30 | 2022-06-24 | 东风汽车集团股份有限公司 | Motor oil cooling system, control method and vehicle |
| CN115325413A (en) * | 2022-08-29 | 2022-11-11 | 吉林大学 | Oil-cold-electric-drive thermal management system and method |
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| CN206759249U (en) * | 2017-02-20 | 2017-12-15 | 安徽东道新能源科技有限公司 | A kind of cooling system of oil-cooled motor |
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2018
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|---|---|---|---|---|
| FR1432976A (en) * | 1965-04-20 | 1966-03-25 | Rolls Royce | System for fuel heating and oil cooling in gas turbine engines |
| CN101907199A (en) * | 2010-08-05 | 2010-12-08 | 诸逦莹 | Magnetic-driven intelligent radiator thermostat valve gear |
| CN104696496A (en) * | 2015-03-13 | 2015-06-10 | 中船重工(重庆)海装风电设备有限公司 | Cooling lubricating system of step-up gear box of wind generating set and low-temperature starting method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112234770A (en) * | 2019-07-15 | 2021-01-15 | 华为技术有限公司 | Oil-cooled motor control device and method |
| CN112234770B (en) * | 2019-07-15 | 2022-01-14 | 华为技术有限公司 | Oil-cooled motor control device and method |
| CN114665663A (en) * | 2022-03-30 | 2022-06-24 | 东风汽车集团股份有限公司 | Motor oil cooling system, control method and vehicle |
| CN115325413A (en) * | 2022-08-29 | 2022-11-11 | 吉林大学 | Oil-cold-electric-drive thermal management system and method |
| CN115325413B (en) * | 2022-08-29 | 2023-10-10 | 吉林大学 | Oil-cooled electric drive thermal management system and method |
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