CN209444393U - The electric variable flow machine oil pump system of engine - Google Patents
The electric variable flow machine oil pump system of engine Download PDFInfo
- Publication number
- CN209444393U CN209444393U CN201920201012.9U CN201920201012U CN209444393U CN 209444393 U CN209444393 U CN 209444393U CN 201920201012 U CN201920201012 U CN 201920201012U CN 209444393 U CN209444393 U CN 209444393U
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- engine
- oil pump
- oil
- rotor
- lubricating
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Abstract
The utility model discloses a kind of electric variable flow machine oil pump systems of engine, it includes lubricating oil pump variable-frequency motor and rotor of engine oil pump is integratedly connected on one, the machine oil that lubricating oil pump variable-frequency motor has certain pressure to drive rotor of engine oil pump to provide to the lubricating system of engine；Oil pressure sensor and speed probe, respectively to detect the engine oil pressure and revolving speed of engine；Frequency converter is arranged between lubricating oil pump variable-frequency motor and AC power source, the input terminal and oil pressure sensor and speed probe data connection of frequency converter, and receive the engine oil pressure and rotary speed data of the engine of oil pressure sensor and speed probe transmission, the output end and lubricating oil pump variable-frequency motor data connection of frequency converter, and electric current to change input lubricating oil pump variable-frequency motor according to the engine oil pressure of engine and rotary speed data changes its revolving speed, and then controls the pump oil flow of rotor of engine oil pump.The function that oil pump capacity automatically adjusts according to the demand of engine can have been realized whereby.
Description
Technical field
The utility model is about field of internal combustion engine, especially with regard to a kind of electric variable flow machine oil pump system of engine
System.
Background technique
General engine oil pump is by Oil pump drive gear, rotor of engine oil pump, oil-pump safety valve, oil pump body group
At.In the prior art, engine crankshaft drives Oil pump drive gear rotation, and Oil pump drive gear drives rotor of engine oil pump again
Rotation, to realize pumping machine oil.Demand of the lubricating oil pump output characteristics and engine of this structure to machine oil often mismatches,
In order to reach lubricating oil pump and Engine Matching, traditional solution is the flow for increasing lubricating oil pump, while in engine interior
One relief valve is set, extra machine oil is released and flows back to oil sump.This traditional solution increases the power of lubricating oil pump
Consumption, also shortens the service life of machine oil, has adverse effect on to engine.
The information disclosed in the background technology section is intended only to increase the understanding to the general background of the utility model, and
It is not construed as recognizing or implying in any form that information composition is already known to those of ordinary skill in the art existing
Technology.
Utility model content
The purpose of this utility model is to provide a kind of electric variable flow machine oil pump systems of engine, being capable of basis
The demand of engine and the flow for changing lubricating oil pump, to reach oil pump capacity and engine to the best of the demand of machine oil
Matching effect.
To achieve the above object, the utility model provides a kind of electric variable flow machine oil pump system of engine, packet
Include rotor of engine oil pump, lubricating oil pump variable-frequency motor, oil pressure sensor and speed probe and frequency converter.Lubricating oil pump variable-frequency motor,
It is integratedly connected on one with rotor of engine oil pump, and lubricating oil pump variable-frequency motor is to drive lube system of the rotor of engine oil pump to engine
System provides the machine oil for having certain pressure；Oil pressure sensor and speed probe, respectively to detect the oil pressure of engine
Power and revolving speed；Frequency converter is arranged between lubricating oil pump variable-frequency motor and AC power source, the input terminal and oil pressure sensor of frequency converter
With speed probe data connection, and receive oil pressure sensor and speed probe transmission engine engine oil pressure and revolving speed
Data, the output end and lubricating oil pump variable-frequency motor data connection of frequency converter, and to the engine oil pressure and revolving speed according to engine
Data and change the electric current of input lubricating oil pump variable-frequency motor to change its revolving speed, and then control the pump oil flow of rotor of engine oil pump.
In a preferred embodiment, oil pressure sensor is mounted on the main oil gallery of engine, to detect engine
Main oil gallery engine oil pressure, and signal is transmitted to frequency converter.
In a preferred embodiment, speed probe is installed on the engine to the revolving speed for detecting engine, and
Tach signal is transmitted to frequency converter.
In a preferred embodiment, the electric variable flow machine oil pump system of engine further includes oil feeding pipe of oil pump
Road, one end are connected with the oil inlet of rotor of engine oil pump；And oil pump outlet pipe road, one end and rotor of engine oil pump go out
Hydraulic fluid port is connected.
In a preferred embodiment, the oil sump of the other end connection engine in oil feeding pipe of oil pump road, and from oil
Machine oil is extracted in bottom case.
In a preferred embodiment, the main oil gallery of the other end connection engine in oil pump outlet pipe road, and to master
Oil duct provides machine oil.
Compared with prior art, the electric variable flow machine oil pump system of the engine of the utility model has beneficial below
Effect: the flow of lubricating oil pump can change according to the demand of engine, reach the demand of oil pump capacity and engine to machine oil
The best match effect of amount, to overcome the prior art since oil pump capacity cannot be adjusted, with the unmatched defect of engine.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the electric variable flow machine oil pump system of an embodiment according to the present utility model.
Main appended drawing reference explanation:
1- oil pressure sensor, 2- speed probe, 3- frequency converter, 4- lubricating oil pump variable-frequency motor, 5- rotor of engine oil pump, 6- machine
Oil pump outlet line road, 7- oil feeding pipe of oil pump road.
Specific embodiment
With reference to the accompanying drawing, specific embodiment of the present utility model is described in detail, it is to be understood that this is practical
Novel protection scope is not limited by the specific implementation.
Unless otherwise explicitly stated, otherwise in entire disclosure and claims, term " includes " or its change
Changing such as "comprising" or " including " etc. will be understood to comprise stated element or component, and not exclude other members
Part or other component parts.
As shown in Figure 1, Fig. 1 is the knot of the electric variable flow machine oil pump system of an embodiment according to the present utility model
Structure schematic diagram.According to the electric variable flow machine oil pump system of the engine of the preferred embodiments of the present invention comprising oil
Pressure sensor 1 and speed probe 2；Oil pressure sensor 1 and speed probe 2 are connected with the input terminal of frequency converter 3, use respectively
In the engine oil pressure of detection engine and the revolving speed of engine, and detection data is transmitted to frequency converter 3；The output end of frequency converter 3
It is connected with lubricating oil pump variable-frequency motor 4, frequency converter 3 is changeable lubricating oil pump variable-frequency motor 4 by changing electric current output frequency
Revolving speed；Lubricating oil pump variable-frequency motor 4 is integrated with rotor of engine oil pump 5 and is connected in one, and the rotation of lubricating oil pump variable-frequency motor 4 drives machine oil
Pump rotor 5 rotates, to realize the pump oil of lubricating oil pump.
In some embodiments, oil pressure sensor 1 is mounted on the main oil gallery of engine, to detect the master of engine
Signal is simultaneously transmitted to frequency converter 3 by the engine oil pressure of oil duct.
In some embodiments, the installation of speed probe 2 on the engine, to detect engine speed, and will be believed
Number it is transmitted to frequency converter 3.
In some embodiments, frequency converter 3 is connected in series between AC power source and lubricating oil pump variable-frequency motor 4, frequency conversion
Device 3 receives the signal that oil pressure sensor 1 and speed probe 2 are sent, and according to the control strategy demarcated in advance, changes automatically defeated
Power frequency out, thus the corresponding revolving speed for changing lubricating oil pump variable-frequency motor 4.
In some embodiments, lubricating oil pump variable-frequency motor 4 is connected with rotor of engine oil pump 5, changes machine oil pump frequency conversion
The revolving speed of motor 4 also just changes the revolving speed of rotor of engine oil pump 5, to change the flow of lubricating oil pump.
In some embodiments, pass through the calibration of control strategy, engine oil pressure signal and engine rotational speed signal, connection
The cooperation flow for controlling lubricating oil pump.
In some embodiments, the electric variable flow machine oil pump system of engine further includes oil feeding pipe of oil pump road 7,
One end is connected with the oil inlet of rotor of engine oil pump 5；And oil pump outlet pipe road 6, one end go out with rotor of engine oil pump 5
Hydraulic fluid port is connected.The oil sump of the other end connection engine in oil feeding pipe of oil pump road 7, and machine oil is extracted out of oil sump.Machine
The main oil gallery of the other end connection engine in oil pump outlet line road 6, and machine oil is provided to main oil gallery.
In some embodiments, by the calibration of control strategy, when the engine oil pressure of engine main oil gallery is lower than a certain
When threshold values, frequency converter 3 controls lubricating oil pump variable-frequency motor 4 and improves revolving speed, and oil pump capacity increases；When the machine oil of engine main oil gallery
When pressure is higher than a certain threshold values, frequency converter 3, which controls lubricating oil pump variable-frequency motor 4, reduces revolving speed, and oil pump capacity is reduced.
In conclusion the electric variable flow machine oil pump system of the engine of the utility model, oil pump capacity and inspection
The signal measured forms close loop negative feedback and adjusts relationship, is carried out automatically to realize oil pump capacity according to the demand of engine
It adjusts, realizes oil pump capacity and engine to the best match effect of machine oil demand.
The description of the aforementioned specific exemplary embodiment to the utility model is in order to illustrate and illustration purpose.These
Description is not wishing to for the utility model to be limited to disclosed precise forms, and it will be apparent that according to the above instruction, can carry out
It is many to change and change.The purpose of selecting and describing the exemplary embodiment is that explaining the specific principle of the utility model
And its practical application, so that those skilled in the art can be realized and utilize a variety of different examples of the utility model
Property embodiment and various chooses and changes.The scope of the utility model is intended to by claims and its waits similar shapes
Formula is limited.
Claims (6)
1. a kind of electric variable flow machine oil pump system of engine characterized by comprising
Rotor of engine oil pump；
Lubricating oil pump variable-frequency motor is integratedly connected on one with the rotor of engine oil pump, and the lubricating oil pump variable-frequency motor is to drive
It moves the rotor of engine oil pump and the machine oil for having certain pressure is provided to the lubricating system of the engine；
Oil pressure sensor and speed probe, respectively to detect the engine oil pressure and revolving speed of the engine；And
Frequency converter, be arranged between the lubricating oil pump variable-frequency motor and AC power source, the input terminal of the frequency converter with it is described
Oil pressure sensor and the speed probe data connection, and receive the oil pressure sensor and the speed probe transmission
The engine oil pressure and rotary speed data of the engine, the output end and lubricating oil pump variable-frequency motor data connection of the frequency converter, and
It inputs the electric current of the lubricating oil pump variable-frequency motor to be changed according to the engine oil pressure of the engine and rotary speed data and changes
Become its revolving speed, and then controls the pump oil flow of the rotor of engine oil pump.
2. the electric variable flow machine oil pump system of engine as described in claim 1, which is characterized in that the oil pressure sensing
Device is mounted on the main oil gallery of the engine, the engine oil pressure of the main oil gallery to detect the engine, and signal is passed
To the frequency converter.
3. the electric variable flow machine oil pump system of engine as described in claim 1, which is characterized in that the revolution speed sensing
Device is mounted on to the revolving speed for detecting the engine on the engine, and tach signal is transmitted to the frequency converter.
4. the electric variable flow machine oil pump system of engine as described in claim 1, which is characterized in that further include:
Oil feeding pipe of oil pump road, one end are connected with the oil inlet of the rotor of engine oil pump；And
Oil pump outlet pipe road, one end are connected with the oil outlet of the rotor of engine oil pump.
5. the electric variable flow machine oil pump system of engine as claimed in claim 4, which is characterized in that the lubricating oil pump into
The other end of oil-piping is connected to the oil sump of the engine, and extracts machine oil out of described oil sump.
6. the electric variable flow machine oil pump system of engine as claimed in claim 4, which is characterized in that the machine oil pumps out
The other end of oil-piping is connected to the main oil gallery of the engine, and provides machine oil to the main oil gallery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920201012.9U CN209444393U (en) | 2019-02-15 | 2019-02-15 | The electric variable flow machine oil pump system of engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920201012.9U CN209444393U (en) | 2019-02-15 | 2019-02-15 | The electric variable flow machine oil pump system of engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209444393U true CN209444393U (en) | 2019-09-27 |
Family
ID=68033301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920201012.9U Active CN209444393U (en) | 2019-02-15 | 2019-02-15 | The electric variable flow machine oil pump system of engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209444393U (en) |
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2019
- 2019-02-15 CN CN201920201012.9U patent/CN209444393U/en active Active
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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: 20230116 Address after: No.88 Tianqiao West Road, Yulin City, Guangxi Zhuang Autonomous Region Patentee after: Guangxi Yuchai Ship Electric Power Co.,Ltd. Address before: 537005 No. 88 flyover West Road, the Guangxi Zhuang Autonomous Region, Yulin Patentee before: Guangxi Yuchai Machinery Co.,Ltd. |