CN201391342Y - Control system of electric motor oil pump - Google Patents
Control system of electric motor oil pump Download PDFInfo
- Publication number
- CN201391342Y CN201391342Y CN200920145543U CN200920145543U CN201391342Y CN 201391342 Y CN201391342 Y CN 201391342Y CN 200920145543 U CN200920145543 U CN 200920145543U CN 200920145543 U CN200920145543 U CN 200920145543U CN 201391342 Y CN201391342 Y CN 201391342Y
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- oil pump
- engine
- oil
- signal
- electric motor
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Abstract
The utility model discloses a control system of an electric motor oil pump, which comprises an engine tachometer connected with an engine and provided with an engine rotating speed signal, a machine oil thermometer providing a machine oil temperature signal, and an oil pump controller receiving the engine rotating speed signal and the machine oil temperature signal so as to control the rotating speed of the electric motor oil pump. Therefore, the utility model can realize the effect of improving the engine output performance and reducing effectively the engine temperature.
Description
Technical field
The utility model relates to a kind of oil pump control system.
Background technique
Press, lubricated when engine running is provided so machine oil utilizes oil pump to inject in the engine more, provides lubricating functions.General oil pump mostly is the oil pump of built-in type greatly, promptly directly links to each other with engine, and when engine speed was fast, the delivery rate of oil pump was also accelerated, and when engine speed was slack-off, the delivery rate of oil pump was also slack-off thereupon.Yet, directly drive the action of oil pump by engine, can be because the relation of bent axle rotational resistance and the energy consumption of built-in oil pump own make the output usefulness reduction of engine.In addition, when engine speed was very high, the delivery rate of oil pump was also very fast, made machine oil that engine lubricating and cool effect can be provided; And when the engine speed that runs up descended, the temperature of engine and machine oil was also quite high, but the delivery rate of oil pump can make engine and machine oil cooling-down effect variation along with engine speed decline and reduction synchronously, therefore is difficult to can be rated as practicality.
In sum, how to promote the engine output performance and also can effectively reduce engine temperature and the current problem that needs solution of protection engine.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of electric motor oil pump control system, can reach to promote the engine output performance and can effectively reduce engine temperature and the effect of protection engine.
In order to address the above problem, the utility model provides a kind of electric motor oil pump control system, comprises: an engine speed meter is to be connected in an engine, and an engine speed signal is provided; One oil temperature meter provides an oil temperature signal; And an oil pump controller, be to receive this engine speed signal and this oil temperature signal, be used to control the rotating speed of an electronic oil pump.
Compared with prior art, use the utility model, can reach lifting engine output performance and can effectively reduce engine temperature and the effect of protection engine.
Description of drawings
Fig. 1 is the system block diagram of electric motor oil pump control system of the present utility model;
Fig. 2 is another system block diagram of electric motor oil pump control system of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
See also Fig. 1, system block diagram for electric motor oil pump control system of the present utility model, as shown in the figure: the electric motor oil pump control system 10 of the utility model, mainly formed by an oil pump controller 11, an engine speed meter 12, an oil temperature meter 13 and a voltmeter 14.Engine speed meter 12 is connected with an engine 40, is used to detect the rotating speed of engine 40, and an engine speed signal is provided.Oil temperature meter 13 is used to detect the temperature of present machine oil, and an oil temperature signal is provided.Voltmeter 14 is used to detect battery or the interior dump energy of storage battery, and a battery electric quantity signal is provided.This oil pump controller 11 is used to receive this engine speed signal, this oil temperature signal, this battery electric quantity signal and this engine oil pressure signal, control the rotating speed of an electronic oil pump 20, the rotating speed of electronic oil pump 20 is higher, then injects engine 40 interior oil flow rate and then heals fast.
During by oil pump controller 11 controller pump speeds, under normal state, oil flow rate is directly proportional with engine 40 rotating speeds, but when too high and engine 40 rotating speeds of oil temperature descended, electronic oil pump 20 rotating speeds can and then not reduce, and changeed and can keep high automatically, oil level by machine oil cooler (figure does not show) is increased, after oil temperature reduced really, the rotating speed of motivation oil pump 20 just can and then reduce, and effectively reduces oil temperature.
When opening electric switch, voltmeter 14 detects the state of charge of battery or storage battery earlier, then directly enters start-up mode as the electric weight deficiency, and the user is directly started engine; When battery or storage battery electric weight (battery electric quantity signal) are enough, 11 actuating motor oil pumps 20 of oil pump controller, and judge whether the oil temperature signal is too high.When surpassing a default value as oil temperature, then oil pump controller 11 can remain in operation by control electronic oil pumps 20, up to oil temperature reduce to this below default value after, it is shut down; Also or during this period setpoint engine can normally start.If the oil temperature signal is not too high, then electronic oil pump 40 can stop after several seconds of turning round automatically, or the user can make it enter operation mode during this period with engine start.
When engine 40 cold start-ups, be that engine 40 temperature are when reducing to room temperature, electric switch is once unlatching, oil pump controller 11 can be bought oil the several seconds earlier by control electronic oil pump 20 automatically, as do not start engine 40 in the time of setting, then electronic oil pump 40 stops automatically, wait engine 40 to start after, decide the rotating speed of electronic oil pump 20 again according to engine 40 rotating speeds and oil temperature, the wearing and tearing that engine 40 lack of lubrication are caused during with the reduction starting a cold engine.
When engine 40 thermal startings, be engine 40 temperature when still being higher than room temperature (flame-out soon), electric switch is once unlatching, oil pump controller 11 can be bought oil by control electronic oil pump 20 equally automatically, whether the machines oil temperature is too high simultaneously, too high as the machine oil temperature, then electronic oil pump 40 can remain in operation automatically, drops to normal range (NR) up to oil temperature.Reduced to after the setting value as oil temperature, engine 40 does not start yet, and then electronic oil pump 20 can stop automatically, after engine 40 starts by the time, decides the oil pump rotating speed according to engine 40 rotating speeds and oil temperature again.
Under normal state, electronic oil pump 20 rotating speeds are determined by engine 40 rotating speeds; When engine 40 temperature were too high, the then running of the automatic acceleration motor oil pump 20 of oil pump controller 11 meetings was to increase oil flow rate.In the time of can't reaching a setting value as electronic oil pump 40 rotating speeds, represent the impaired and fault of electronic oil pump 20, oil pump controller 11 will produce a trouble signal, get rid of to remind the user to carry out fault.And this trouble signal can be connected to a beacon.After engine 40 was flame-out, whether oil pump controller 11 also can the machines oil temperature too high, and electronic oil pump 20 can remain in operation when too high, till temperature descends.
See also Fig. 2, another system block diagram for electric motor oil pump control system of the present utility model, as shown in the figure: this electric motor oil pump control system 30, mainly formed by an oil pump controller 11, an engine speed meter 12, an oil temperature meter 13, a voltmeter 14, an engine oil pressure meter 15 and a diverting switch 16.Engine oil pressure meter 15 is used to detect oil circuit or the interior engine oil pressure of engine, and provides an engine oil pressure signal to oil pump controller 11.When the oil temperature signal is lower than one first default value, when being engine 40 cold start-ups, oil pump controller 11 can will be closed towards the oil circuit of machine oil cooler by control one diverting switch 16, make machine oil can not flow through machine oil cooler and lower the temperature, so can improve the operating temperature of engine 40 fast; When oil temperature reached suitable operating temperature by the time, oil pump controller 11 can promptly be controlled this diverting switch 16 and will open towards the oil circuit of machine oil cooler, to reduce the temperature of machine oil.When the engine oil pressure signal was lower than one second default value, machine representation low on fuel, 11 of oil pump controllers can positive closing engines 40, reached the function of protection engine 40.Treat that the engine oil pressure signal is higher than this second default value, promptly represent the user to add machine oil or the leakage of oil situation is got rid of that then engine 40 can normally be started.
The above; it only is the preferable embodiment of the utility model; but protection domain of the present utility model is not limited thereto; anyly be familiar with the people of this technology in technical scope disclosed in the utility model; the variation that can expect easily or replacement all should be encompassed within the protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claim.
Claims (7)
1, a kind of electric motor oil pump control system is characterized in that, comprises:
One engine speed meter is to be connected in an engine, and is used to provide an engine speed signal;
One oil temperature meter is used to provide an oil temperature signal; And
One oil pump controller is used to receive described engine speed signal and described oil temperature signal, controls the rotating speed of an electronic oil pump.
2, electric motor oil pump control system as claimed in claim 1, it is characterized in that, more comprise a diverting switch, when described oil temperature signal was higher than an operating temperature, described oil pump controller was controlled this diverting switch and will be opened towards the oil circuit of a machine oil cooler.
3, electric motor oil pump control system as claimed in claim 1 is characterized in that, more comprises a voltmeter, is used to provide a battery electric quantity signal; When this battery electric quantity signal was enough, described oil pump controller then started described electronic oil pump, and judged whether described oil temperature signal is too high; When if this oil temperature signal surpasses a default value, then this oil pump controller is controlled this electronic oil pump and is remained in operation, up to this oil temperature signal reduce to this below default value after, it is shut down.
4, electric motor oil pump control system as claimed in claim 1 is characterized in that, more comprises an engine oil pressure meter, is used to provide an engine oil pressure signal; When this engine oil pressure signal was lower than one second default value, described oil pump controller was then exported a warning signal and the described engine of positive closing.
5, electric motor oil pump control system as claimed in claim 4 is characterized in that, when described engine oil pressure signal was higher than described second default value, then described engine was normally started.
6, electric motor oil pump control system as claimed in claim 1 is characterized in that, when described electric motor oil revolution speed can't reach a setting value, described oil pump controller will produce a trouble signal.
7, electric motor oil pump control system as claimed in claim 6 is characterized in that, described trouble signal is to be connected to a beacon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920145543U CN201391342Y (en) | 2009-03-11 | 2009-03-11 | Control system of electric motor oil pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920145543U CN201391342Y (en) | 2009-03-11 | 2009-03-11 | Control system of electric motor oil pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201391342Y true CN201391342Y (en) | 2010-01-27 |
Family
ID=41598168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920145543U Expired - Fee Related CN201391342Y (en) | 2009-03-11 | 2009-03-11 | Control system of electric motor oil pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201391342Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103727227A (en) * | 2012-10-15 | 2014-04-16 | 通用汽车环球科技运作有限责任公司 | Fluid pump speed control |
| CN104769240A (en) * | 2012-11-07 | 2015-07-08 | 日产自动车株式会社 | Oil supply device for internal combustion engine |
| CN105114145A (en) * | 2015-08-13 | 2015-12-02 | 奇瑞汽车股份有限公司 | Engine oil supply device |
| CN112253438A (en) * | 2020-10-14 | 2021-01-22 | 中国第一汽车股份有限公司 | Control method for engine variable oil pump |
| CN112855305A (en) * | 2020-12-31 | 2021-05-28 | 杭州电子科技大学 | Nonlinear rotating speed control device and method for vehicle engine motor oil pump |
| CN114320521A (en) * | 2021-12-29 | 2022-04-12 | 浙江吉利控股集团有限公司 | Oil pump control method and device and engine system |
-
2009
- 2009-03-11 CN CN200920145543U patent/CN201391342Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103727227A (en) * | 2012-10-15 | 2014-04-16 | 通用汽车环球科技运作有限责任公司 | Fluid pump speed control |
| CN103727227B (en) * | 2012-10-15 | 2016-05-04 | 通用汽车环球科技运作有限责任公司 | The control of fluid pump speed |
| CN104769240A (en) * | 2012-11-07 | 2015-07-08 | 日产自动车株式会社 | Oil supply device for internal combustion engine |
| CN104769240B (en) * | 2012-11-07 | 2017-06-13 | 日产自动车株式会社 | The fueller of internal combustion engine |
| CN105114145A (en) * | 2015-08-13 | 2015-12-02 | 奇瑞汽车股份有限公司 | Engine oil supply device |
| CN112253438A (en) * | 2020-10-14 | 2021-01-22 | 中国第一汽车股份有限公司 | Control method for engine variable oil pump |
| CN112253438B (en) * | 2020-10-14 | 2022-05-27 | 中国第一汽车股份有限公司 | Control method for engine variable oil pump |
| CN112855305A (en) * | 2020-12-31 | 2021-05-28 | 杭州电子科技大学 | Nonlinear rotating speed control device and method for vehicle engine motor oil pump |
| CN114320521A (en) * | 2021-12-29 | 2022-04-12 | 浙江吉利控股集团有限公司 | Oil pump control method and device and engine system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100127 Termination date: 20110311 |