CN106224217B - Method for preventing emulsification of lubricating oil of oiled electric air compressor for automobile - Google Patents
Method for preventing emulsification of lubricating oil of oiled electric air compressor for automobile Download PDFInfo
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- CN106224217B CN106224217B CN201610609419.6A CN201610609419A CN106224217B CN 106224217 B CN106224217 B CN 106224217B CN 201610609419 A CN201610609419 A CN 201610609419A CN 106224217 B CN106224217 B CN 106224217B
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- Prior art keywords
- electric compressor
- controller
- air compressor
- compressor machine
- relative humidity
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/06—Control using electricity
- F04B49/065—Control using electricity and making use of computers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/02—Lubrication
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B2201/00—Pump parameters
- F04B2201/08—Cylinder or housing parameters
- F04B2201/0801—Temperature
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Abstract
The invention discloses a method for preventing emulsification of lubricating oil of an oiled electric air compressor for an automobile. The method is combined with the character of the electric air compressor, running of the electric air compressor is dynamically controlled according to the relative humidity of the environment and the relative humidity in a body of the electric air compressor, and emulsification of the lubricating oil of the electric air compressor is prevented. According to the method, control is easy, cost is low, running reliability is high, and the lubricating oil emulsification preventing capability is high.
Description
Technical field
The present invention relates to electric vehicle technical field, more particularly to automobile is used the anti-emulsification of lubricant of oily electric compressor
Method.
Background technology
Current environment situation is constantly severe, responds national policy, and integral new-energy passenger is constantly popularized, and has oily electric compressor
As operating efficiency highest product in air compressor machine, the extensive use in integral new-energy passenger.But electric compressor rises in vehicle
Stop under less operating mode, it is impossible to meet effective load factor, causing trouble rate constantly rises, and has a strong impact on the service life of product
And traffic safety.It is existing mainly by time-based maintenance, improve hardware grade or rule of thumb set run time carry out pressure fortune
The methods such as row, the load factor of electric compressor are improved with this, it is to avoid emulsification of lubricant.But existing method often use cost
It is high, control is complicated, cannot effectively utilize electric energy.
The content of the invention
For the defect that above prior art is present, it is oily electric with having that the technical problems to be solved by the invention are to provide automobile
The method of the anti-emulsification of lubricant of dynamic air compressor machine, the method controls simple, low cost, operational reliability high and anti-emulsification of lubricant energy
Power is strong.
In order to solve the above-mentioned technical problem, method of the automobile of the invention with there is the anti-emulsification of lubricant of oily electric compressor,
Its step is：Air compressor machine temperature sensor in S1 electric compressors detects the temperature in electric compressor body and feeds back to control
Device processed, the electric compressor temperature value is the first air compressor machine temperature value；Controller contrast the first air compressor machine temperature value with it is pre-
If high temperature protection value；When the first air compressor machine temperature value is more than the high temperature protection value, controller controls electronic pneumatics
Machine is shut down；When the first air compressor machine temperature value is less than the high temperature protection value, controller performs S2；S2 controllers receive car
Pump gas request enabling signal, and judge whether the pump gas request enabling signal is to be sent first in 24 hours；When the pump
Gas request enabling signal is controller control air compressor machine startup optimization when being sent first in 24 hours；When pump gas request is opened
When dynamic signal sends first in non-24 hours, electric compressor startup optimization to controller receives the request of vehicle pump gas and stops letter
Number when close operation；S3 controllers receive vehicle pump gas request stop signal, and the environment that vehicle humidity sensor is detected is relative
Moisture signal feeds back to controller；Relative humidity in air compressor machine humidity sensor detection electric compressor body feeds back to control
Device；Controller calculates the ratio of the envionmental humidity and the air compressor machine relative humidity；When the relative humidity ratio is small
When default relative humidity ratio, controller control electric compressor closes operation after running corresponding time t1；When described relative
When humidity ratio is more than default relative humidity ratio, controller control electric compressor continuous service；S4 controllers calculate electronic
Air compressor machine closes run time t2, and contrasts t2 and heat engine cycle time；When the t2 values are more than the heat engine cycle time,
Electric compressor enters the new work period, performs S1；When the t2 values are less than the heat engine cycle time, S5 is performed；S5
Air compressor machine temperature sensor in electric compressor detects the temperature in electric compressor body and feeds back to controller, and this is electronic
Air compressor machine temperature value is the second air compressor machine temperature value；Controller contrasts the second air compressor machine temperature value and default high temperature protection
Value；When the second air compressor machine temperature value is more than the high temperature protection value, controller control electric compressor is shut down；When described
When second air compressor machine temperature value is less than the high temperature protection value, controller performs S6；S6 is asked when controller does not receive vehicle pump gas
When seeking enabling signal, electric compressor remains turned-off operation；When controller receives vehicle pump gas request enabling signal, electronic sky
Press startup optimization to controller closes operation when receiving vehicle pump gas request stop signal.
It is further mature technology scheme, present invention additionally comprises following technical characteristic：
As a further improvement, methods described also includes：The relative humidity ratio be more than default relative humidity ratio and
When electric compressor run time t3 is more than default warm-up times value, controller control electric compressor closes operation.
As a further improvement, methods described also includes：Electricity on vehicle, controller is actuated for self-inspection, confirms fault-free
After perform S1.
As a further improvement, the default relative humidity ratio is 80%；The t1 scopes are 0min-6min.
As a further improvement, controller is reduced to according to the envionmental humidity signal and the relative humidity ratio
The run time of default relative humidity ratio, calculates the heat engine cycle time；The scope of the heat engine cycle time is 1h-
6h。
As a further improvement, the default warm-up times value is 15min-30min.
As a further improvement, the default warm-up times value is 20min.
As a further improvement, the default high temperature protection value is 100 DEG C -150 DEG C.
As a further improvement, the default high temperature protection value is 110 DEG C.
Compared with prior art, the beneficial effects of the present invention are：Control is simple, without the data that sampling is complicated；Control
Operation is performed by controller, is easy to upgrading, and core component is the market universal product, effective reduces cost；Dynamic control electricity
Dynamic air compressor machine rationally runs, it is to avoid electric compressor non-productive work；Suitable for various new energy vehicles, versatility is high.
Brief description of the drawings
Fig. 1 is the automobile of the present invention method flow diagram for having the anti-emulsification of lubricant of oily electric compressor.
Specific embodiment
In order to illustrate more clearly of technical scheme, it is briefly described below in conjunction with drawings and Examples,
It should be evident that drawings in the following description merely relate to some embodiments of the present invention, not limitation of the present invention.
Refer to shown in Fig. 1, method of the automobile of the invention with there is the anti-emulsification of lubricant of oily electric compressor, its step
For：In S1 electric compressors air compressor machine temperature sensor detection electric compressor body in temperature and feed back to controller,
Now the electric compressor temperature value is the first air compressor machine temperature value；Controller contrasts the first air compressor machine temperature value and default height
Warm protection value, the default high temperature protection value may be configured as 110 DEG C；When the first air compressor machine temperature value is more than high temperature protection value, control
Device control electric compressor processed is shut down；When the first air compressor machine temperature value is less than high temperature protection value, controller performs S2.
S2 controllers receive vehicle pump gas request enabling signal, and judge whether pump gas request enabling signal is 24 hours in
Send first；When pump gas request enabling signal is controller control air compressor machine startup optimization when being sent first in 24 hours；Work as pump
When gas request enabling signal sends first in non-24 hours, electric compressor startup optimization to controller receives vehicle pump gas please
Operation is closed when seeking stop signal.
S3 controllers receive vehicle pump gas request stop signal, the envionmental humidity letter that vehicle humidity sensor is detected
Number feed back to controller；Relative humidity in air compressor machine humidity sensor detection electric compressor body feeds back to controller；Control
Device processed calculates the ratio of the envionmental humidity and the air compressor machine relative humidity；When the relative humidity ratio is less than default
During relative humidity ratio, controller control electric compressor closes operation after running corresponding time t1；When the relative humidity ratio
When value is more than default relative humidity ratio, controller control electric compressor continuous service；Specifically, the default relative humidity
Ratio is 80%；In order to avoid long-play under particular surroundings, the second air compressor machine temperature value is still unable to reach pressure leak source temperature
Angle value, preset a warm-up times value be 20min, when running between more than 20min when, controller control electric compressor close transport
OK.
S4 controllers calculate electric compressor and close run time t2, and contrast t2 and heat engine cycle time；When t2 values are big
When heat engine cycle time, electric compressor enters the new work period, performs S1；When t2 values are less than heat engine cycle time,
Perform S5.The scope of general heat engine cycle time is 1h-6h.
Air compressor machine temperature sensor in S5 electric compressors detects the temperature in electric compressor body and feeds back to control
Device processed, now the electric compressor temperature value is the second air compressor machine temperature value；Controller contrast the second air compressor machine temperature value with it is pre-
If high temperature protection value；When the second air compressor machine temperature value is more than high temperature protection value, controller control electric compressor is shut down；When
When second air compressor machine temperature value is less than high temperature protection value, controller performs S6.
When controller does not receive vehicle pump gas request enabling signal, electric compressor remains turned-off operation to S6；Work as control
When device receives vehicle pump gas request enabling signal, electric compressor startup optimization to controller receives the request of vehicle pump gas to be stopped
Operation is closed during signal.
Inventive embodiment is the foregoing is only, it is not limited to scope of patent protection of the invention.It is any to be familiar with
Alike those skilled in the art, not departing from spirit and scope of the invention, the change made and the equivalence replacement of retouching are still the present invention
Scope of patent protection in.
Claims (7)
1. the method for a kind of automobile with there is the anti-emulsification of lubricant of oily electric compressor, its step is：
In S1 electric compressors air compressor machine temperature sensor detection electric compressor body in temperature and feed back to controller,
The electric compressor temperature value is the first air compressor machine temperature value；Controller contrasts the first air compressor machine temperature value and default height
Warm protection value；When the first air compressor machine temperature value is more than the high temperature protection value, controller control electric compressor is shut down；
When the first air compressor machine temperature value is less than the high temperature protection value, controller performs S2；
S2 controllers receive vehicle pump gas request enabling signal, and judge whether the pump gas request enabling signal is 24 hours in
Send first；When pump gas request enabling signal is controller control air compressor machine startup optimization when being sent first in 24 hours；
When pump gas request enabling signal sends in non-24 hours first, electric compressor startup optimization to controller receives car
Operation is closed during pump gas request stop signal；
S3 controllers receive vehicle pump gas request stop signal, and the envionmental humidity signal that vehicle humidity sensor is detected is anti-
It is fed to controller；Relative humidity in air compressor machine humidity sensor detection electric compressor body feeds back to controller；Controller
Calculate the ratio of the envionmental humidity and the air compressor machine relative humidity；When the relative humidity ratio is relative less than default
During humidity ratio, controller control electric compressor closes operation after running corresponding time t1；When the relative humidity ratio is big
When default relative humidity ratio, controller control electric compressor continuous service；
S4 controllers calculate electric compressor and close run time t2, and contrast t2 and heat engine cycle time；When the t2 values are big
When the heat engine cycle time, electric compressor enters the new work period, performs S1；When the t2 values are less than the heat engine
During cycle time, S5 is performed；
In S5 electric compressors air compressor machine temperature sensor detection electric compressor body in temperature and feed back to controller,
The electric compressor temperature value is the second air compressor machine temperature value；Controller contrasts the second air compressor machine temperature value and default height
Warm protection value；When the second air compressor machine temperature value is more than the high temperature protection value, controller control electric compressor is shut down；
When the second air compressor machine temperature value is less than the high temperature protection value, controller performs S6；
When controller does not receive vehicle pump gas request enabling signal, electric compressor remains turned-off operation to S6；When controller connects
When a pump gas of returning the vehicle to the garage and knock off ask enabling signal, electric compressor startup optimization to controller receives vehicle pump gas request stop signal
When close operation.
2. the method that automobile use according to claim 1 has the anti-emulsification of lubricant of oily electric compressor, wherein, when described
Pump gas request enabling signal is that when being sent first in 24 hours, after controller control air compressor machine startup optimization, methods described is also
Including：The relative humidity ratio is more than default relative humidity ratio and electric compressor run time t3 is more than default heat engine
During time value, controller control electric compressor closes operation.
3. the method that automobile use according to claim 2 has the anti-emulsification of lubricant of oily electric compressor, before step S1,
Methods described also includes：Electricity on vehicle, controller is actuated for self-inspection, and S1 is performed after confirming fault-free.
4. the automobile according to Claims 2 or 3 uses the method for having the anti-emulsification of lubricant of oily electric compressor, its feature to exist
In：The default relative humidity ratio is 80%；The t1 scopes are 0min-6min.
5. the method that automobile use according to claim 4 has the anti-emulsification of lubricant of oily electric compressor, it is characterised in that：Control
When device processed is reduced to the operation of default relative humidity ratio according to the envionmental humidity signal and the relative humidity ratio
Between, calculate the heat engine cycle time；The scope of the heat engine cycle time is 1h-6h.
6. the automobile according to Claims 2 or 3 uses the method for having the anti-emulsification of lubricant of oily electric compressor, its feature to exist
In：The default warm-up times value is 15min-30min.
7. the automobile according to Claims 2 or 3 uses the method for having the anti-emulsification of lubricant of oily electric compressor, its feature to exist
In：The default high temperature protection value is 100 DEG C -150 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610609419.6A CN106224217B (en) | 2016-07-29 | 2016-07-29 | Method for preventing emulsification of lubricating oil of oiled electric air compressor for automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610609419.6A CN106224217B (en) | 2016-07-29 | 2016-07-29 | Method for preventing emulsification of lubricating oil of oiled electric air compressor for automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106224217A CN106224217A (en) | 2016-12-14 |
| CN106224217B true CN106224217B (en) | 2017-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610609419.6A Active CN106224217B (en) | 2016-07-29 | 2016-07-29 | Method for preventing emulsification of lubricating oil of oiled electric air compressor for automobile |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109555698B (en) * | 2017-09-26 | 2020-10-30 | 湖南中车时代电动汽车股份有限公司 | Method and system for preventing engine oil of inflating pump from emulsifying |
| CN110030186B (en) * | 2019-05-31 | 2020-07-31 | 中车青岛四方车辆研究所有限公司 | Anti-lubricating oil emulsification method and system for air compressor for railway train and storage medium |
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| JP2005075055A (en) * | 2003-08-29 | 2005-03-24 | Mitsubishi Electric Corp | Method for controlling vehicle air compressor device |
| CN102927010A (en) * | 2012-11-19 | 2013-02-13 | 南车株洲电力机车有限公司 | Screw compressor and control device and method of screw compressor |
| CN104290738A (en) * | 2013-12-04 | 2015-01-21 | 郑州宇通客车股份有限公司 | Control method of air compressor of electric vehicle and control system thereof |
| CN104314791A (en) * | 2013-10-28 | 2015-01-28 | 合肥国骋新能源汽车技术有限公司 | Novel anti-emulsifying system for electric automobile air compressor |
| CN105003437A (en) * | 2015-08-17 | 2015-10-28 | 安徽安凯汽车股份有限公司 | Control system and method for preventing emulsification of lubricating oil of inflation pump for pure electric bus |
| US9272595B2 (en) * | 2014-04-17 | 2016-03-01 | Tesla Motors, Inc. | Controlling a compressor for air suspension of electric vehicle |
-
2016
- 2016-07-29 CN CN201610609419.6A patent/CN106224217B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005075055A (en) * | 2003-08-29 | 2005-03-24 | Mitsubishi Electric Corp | Method for controlling vehicle air compressor device |
| CN102927010A (en) * | 2012-11-19 | 2013-02-13 | 南车株洲电力机车有限公司 | Screw compressor and control device and method of screw compressor |
| CN104314791A (en) * | 2013-10-28 | 2015-01-28 | 合肥国骋新能源汽车技术有限公司 | Novel anti-emulsifying system for electric automobile air compressor |
| CN104290738A (en) * | 2013-12-04 | 2015-01-21 | 郑州宇通客车股份有限公司 | Control method of air compressor of electric vehicle and control system thereof |
| US9272595B2 (en) * | 2014-04-17 | 2016-03-01 | Tesla Motors, Inc. | Controlling a compressor for air suspension of electric vehicle |
| CN105003437A (en) * | 2015-08-17 | 2015-10-28 | 安徽安凯汽车股份有限公司 | Control system and method for preventing emulsification of lubricating oil of inflation pump for pure electric bus |
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| CN106224217A (en) | 2016-12-14 |
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