CN205921548U - Oil pump motor controller based on hardware security circuit - Google Patents
Oil pump motor controller based on hardware security circuit Download PDFInfo
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- CN205921548U CN205921548U CN201620571515.1U CN201620571515U CN205921548U CN 205921548 U CN205921548 U CN 205921548U CN 201620571515 U CN201620571515 U CN 201620571515U CN 205921548 U CN205921548 U CN 205921548U
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- oil pump
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Abstract
The utility model relates to an oil pump motor controller based on hardware security circuit, including engine ECU, communication module, oil pump motor control module and hardware security circuit module, engine ECU be connected through communication module with oil pump motor control module, oil pump motor control module's output be connected to oil pump motor, the output of hardware security circuit be connected with oil pump motor control module. Adopt the oil pump motor controller based on hardware security circuit of this kind of structure, control the motor through the single drive chip, messenger ECU's the instruction and the sensor feedback signal of outside oil circuit carry out the closed loop regulation and control to the rotational speed of motor, adjustment motor rotation number, the relay in the control of traditional oil pump motor has been saved, the mechanical contact wearing and tearing of no relay, risks such as adhesion, simultaneously because the existence of hardware security circuit, can be when engine idling or other need high oil pressure, it realizes energy -concerving and environment -protectively and the extension motor life -span to turn down motor rotation number.
Description
Technical field
This utility model is related to oil pump control field, more particularly, to Oil pump electrical machinery controller, specifically refers to a kind of being based on firmly
The Oil pump electrical machinery controller of part safety circuit.
Background technology
Fuel pump is the technical term of auto parts machinery industry.It is one of basic composition of electro jet car fuel injection system.
Effect be fuel oil is suctioned out from fuel tank, pressurize after be transported in fuel feed pump, and fuel pressure regulator cooperation set up certain
Fuel pressure.Fuel pump is made up of electro-motor, pressure restrictor, test valve, and electro-motor real work is in oil pump casing
Fuel oil in, without worry, because not having any thing that can light a fire in shell, fuel oil can lubricate and cool down fuel oil motor,
Equipped with test valve at oil-out, pressure restrictor is located at oil pump casing on the pressure side, with the passage leading to oil-in.
In automobile fuel pump application in the market, it is used mostly brush motor and is realized, brush motor is not required to
Want drive circuit to control, if how using Control it is impossible to the real-time speed regulating realizing Oil pump electrical machinery control that is to say, that
Automobile one starts, and oil pump is no matter under what operating mode, being all to maintain same rotating speed and operated, this pole does not meet country
The energy-conserving and environment-protective advocated energetically require, and are also a kind of loss to the life-span of motor simultaneously.
Utility model content
The purpose of this utility model is the shortcoming overcoming above-mentioned prior art, there is provided one kind is capable of starting
Machine idling or other when not needing high oil pressure, turn down motor speed realize energy-conserving and environment-protective and extend electrical machinery life based on hardware peace
The Oil pump electrical machinery controller of whole circuit.
To achieve these goals, this utility model has and constitutes as follows:
Should Oil pump electrical machinery controller based on hardware safety circuit, it is mainly characterized by, described inclusion Oil pump electrical machinery control
Device processed includes electromotor ecu, communication module, Oil pump electrical machinery control module and hardware safety circuit module, described electromotor ecu
It is connected by communication module with Oil pump electrical machinery control module, the outfan of described Oil pump electrical machinery control module connects to oil pump
Motor, the described outfan of hardware safety circuit is connected with Oil pump electrical machinery control module.
It is preferred that described Oil pump electrical machinery control module includes speed adjustment unit and oil pressure detector unit, described electromotor
Ecu is connected by communication module to the input of speed adjustment unit, and the input of described speed adjustment unit is also examined with described oil pressure
The outfan surveying unit is connected, and the described input of oil pressure detector unit is connected with oil pump feed loop, described tune
The outfan of fast unit connects to Oil pump electrical machinery.
More preferably, described speed adjustment unit includes main control chip and driving chip, and described electromotor ecu passes through to communicate mould
Block connects to described main control chip, and described main control chip is connected to Oil pump electrical machinery by driving chip.
Further, described speed adjustment unit also includes control logic integrated circuit, described hardware safety circuit
Outfan is connected with the input of control logic integrated circuit by an OR gate unit with the outfan of main control chip, described
The outfan of control logic integrated circuit connect to the input of driving chip.
Yet further, described hardware safety circuit include electromotor ecu, ac-coupled circuit, power switch circuit,
Filter circuit, phase inverter and on-off circuit, described electromotor ecu is connected with the input of ac-coupled circuit, described
The outfan of on-off circuit is connected with the input of described OR gate unit, and described ac-coupled circuit passes sequentially through power supply
On-off circuit, filter circuit, phase inverter connect to on-off circuit.
It is preferred that described oil pressure detector unit is line-pressure sensor.
Further, described communication module is canbus communication module.
Employ the Oil pump electrical machinery controller based on hardware safety circuit in this utility model, by single driving chip pair
Motor is controlled, and makes the instruction of ecu and the sensor feedback signal of outside oil circuit carry out closed loop regulation and control to the rotating speed of motor, real
The regulation and control of existing motor speed, eliminate the relay in traditional Oil pump electrical machinery control program, the mechanical contact abrasion of non-relay,
Adhesion equivalent risk, simultaneously because the presence of hardware safety circuit, can engine idle or other do not need high oil pressure when, turn down
Motor speed is realized energy-conserving and environment-protective and is extended electrical machinery life.
Brief description
Fig. 1 is the flow chart of traditional oil pump control mode
Fig. 2 is the structural representation of Oil pump electrical machinery controller of the present utility model.
Fig. 3 is the structural representation of hardware safety circuit of the present utility model.
Specific embodiment
In order to more clearly describe technology contents of the present utility model, to enter traveling one with reference to specific embodiment
The description of step.
Should Oil pump electrical machinery controller based on hardware safety circuit, it is mainly characterized by, described inclusion Oil pump electrical machinery control
Device processed includes electromotor ecu, communication module, Oil pump electrical machinery control module and hardware safety circuit module, described electromotor ecu
It is connected by communication module with Oil pump electrical machinery control module, the outfan of described Oil pump electrical machinery control module connects to oil pump
Motor, the described outfan of hardware safety circuit is connected with Oil pump electrical machinery control module.
In one kind preferably embodiment, described Oil pump electrical machinery control module includes speed adjustment unit and oil pressure detection is single
Unit, described electromotor ecu is connected by communication module to the input of speed adjustment unit, and the input of described speed adjustment unit is also
It is connected with the outfan of described oil pressure detector unit, the described input of oil pressure detector unit and oil pump feed loop phase
Connect, the outfan of described speed adjustment unit connects to Oil pump electrical machinery.
In one kind more preferably embodiment, described speed adjustment unit includes main control chip and driving chip, and described sends out
Motivation ecu is connected to described main control chip by communication module, and described main control chip is connected to oil pump by driving chip
Motor.
In a kind of further embodiment, described speed adjustment unit also includes control logic integrated circuit, described
The outfan of hardware safety circuit and the outfan of main control chip pass through OR gate unit and control logic integrated circuit
Input is connected, and the outfan of described control logic integrated circuit connects to the input of driving chip.
In one kind further embodiment, described hardware safety circuit includes electromotor ecu, AC coupled electricity
Road, power switch circuit, filter circuit, phase inverter and on-off circuit, the input of described electromotor ecu and ac-coupled circuit
End is connected, and the described outfan of on-off circuit is connected with the input of described OR gate unit, described AC coupled
Circuit passes sequentially through power switch circuit, filter circuit, phase inverter connect to on-off circuit..
In one kind preferably embodiment, described oil pressure detector unit is line-pressure sensor.
In a kind of further embodiment, described communication module is canbus communication module.
Oil pump electrical machinery controller adjusts, according to the instruction of ecu, the pwm dutycycle exporting to driving chip and realizes speed governing
Purpose, as shown in Fig. 2 after automotive ignition, Oil pump electrical machinery controller receives the instruction from electromotor ecu, exports one
The pwm signal of fixed duty cycle, to driving chip, drives brush direct current motor to be operated by driving chip.When motor speed is steady
Fixed, oil pump line-pressure sensor signal is gathered by the main control chip of controller, after loine pressure exceedes predetermined pressure, adjustment
Export to the pwm signal dutyfactor of driving chip, reduce motor speed to make loine pressure reduce, by main control chip Real-time Collection
Pressure signal, carries out pressure closed loop control.The stability contorting of motor is in good time adjustment, the pwm signal dutyfactor being exported
It is real-time change.Main control chip also will carry out real-time communication with the ecu module of electromotor and carry out data exchange simultaneously.
Oil pump electrical machinery controller increases hardware security control circuit, prevents the software failure of main control chip or hardware defeated
Go out the reasons such as inefficacy and lead to driving chip non-output signal, Oil pump electrical machinery occurs shutting down caused automobile safety accident, therefore
Oil pump electrical machinery is unable to stall in operation process.This is accomplished by ensureing driving chip by independent hardware safety circuit
Continual and steady output.Hardware safety circuit is connected with the input of driving chip, and the output of this safety circuit is defeated with main control chip
Go out the logical relation forming "or" in parallel.I.e. any one in two input signals effectively, can normally transport by Oil pump electrical machinery
Turn.Hardware safety circuit ensures circuit as the backup of main control chip.When main control chip work is abnormal, the control of output
Signal cannot Sustainable Control motor continuous running, the input to ensure driving chip by the output of hardware safety circuit is always
It is to have effectively.Two parts circuit works simultaneously, separate be independent of each other, in good time switching come to ensure motor will not stall, work
Make principle flow chart as shown in Figure 3.
Employ the Oil pump electrical machinery controller based on hardware safety circuit in this utility model, by single driving chip pair
Motor is controlled, and makes the instruction of ecu and the sensor feedback signal of outside oil circuit carry out closed loop regulation and control to the rotating speed of motor, real
The regulation and control of existing motor speed, eliminate the relay in traditional Oil pump electrical machinery control program, the mechanical contact abrasion of non-relay,
Adhesion equivalent risk, simultaneously because the presence of hardware safety circuit, can engine idle or other do not need high oil pressure when, turn down
Motor speed is realized energy-conserving and environment-protective and is extended electrical machinery life.
In this description, this utility model is described with reference to its specific embodiment.But it is clear that it is still permissible
Various modification can be adapted and conversion is without departing from spirit and scope of the present utility model.Therefore, specification and drawings are considered as
Illustrative and not restrictive.
Claims (7)
1. a kind of Oil pump electrical machinery controller based on hardware safety circuit is it is characterised in that described Oil pump electrical machinery controller bag
Include electromotor ecu, communication module, Oil pump electrical machinery control module and hardware safety circuit module, described electromotor ecu and oil pump
Motor control module is connected by communication module, and the outfan of described Oil pump electrical machinery control module connects to Oil pump electrical machinery,
The outfan of described hardware safety circuit is connected with Oil pump electrical machinery control module.
2. the Oil pump electrical machinery controller based on hardware safety circuit according to claim 1 is it is characterised in that described oil
Pump motor control module includes speed adjustment unit and oil pressure detector unit, and described electromotor ecu is connected to tune by communication module
The input of fast unit, the input of described speed adjustment unit is also connected with the outfan of described oil pressure detector unit, institute
The input of oil pressure detector unit stated is connected with oil pump feed loop, and the outfan of described speed adjustment unit connects to oil pump
Motor.
3. the Oil pump electrical machinery controller based on hardware safety circuit according to claim 2 is it is characterised in that described tune
Fast unit includes main control chip and driving chip, and described electromotor ecu is connected to described main control chip by communication module,
Described main control chip is connected to Oil pump electrical machinery by driving chip.
4. the Oil pump electrical machinery controller based on hardware safety circuit according to claim 3 is it is characterised in that described tune
Fast unit also includes control logic integrated circuit, and the described outfan of hardware safety circuit and the outfan of main control chip pass through
One OR gate unit is connected with the input of control logic integrated circuit, and the outfan of described control logic integrated circuit connects
It is connected to the input of driving chip.
5. the Oil pump electrical machinery controller based on hardware safety circuit according to claim 4 is it is characterised in that described is hard
Part safety circuit includes electromotor ecu, ac-coupled circuit, power switch circuit, filter circuit, phase inverter and on-off circuit,
Described electromotor ecu is connected with the input of ac-coupled circuit, the described outfan of on-off circuit with described or
The input of gate cell is connected, and described ac-coupled circuit passes sequentially through power switch circuit, filter circuit, phase inverter even
It is connected to on-off circuit.
6. the Oil pump electrical machinery controller based on hardware safety circuit according to claim 2 is it is characterised in that described oil
Pressure detector unit is line-pressure sensor.
7. the Oil pump electrical machinery controller based on hardware safety circuit according to any one of claim 1 to 6, its feature exists
In described communication module is canbus communication module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620571515.1U CN205921548U (en) | 2016-06-14 | 2016-06-14 | Oil pump motor controller based on hardware security circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620571515.1U CN205921548U (en) | 2016-06-14 | 2016-06-14 | Oil pump motor controller based on hardware security circuit |
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| Publication Number | Publication Date |
|---|---|
| CN205921548U true CN205921548U (en) | 2017-02-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620571515.1U Active CN205921548U (en) | 2016-06-14 | 2016-06-14 | Oil pump motor controller based on hardware security circuit |
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| CN (1) | CN205921548U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106837628A (en) * | 2017-02-22 | 2017-06-13 | 成都聚立汇信科技有限公司 | Automobile-used oil pump controlling circuit |
| CN111532142A (en) * | 2020-02-29 | 2020-08-14 | 中国煤炭科工集团太原研究院有限公司 | Electro-hydraulic control automatic clutch device for coal mine electric engineering vehicle |
-
2016
- 2016-06-14 CN CN201620571515.1U patent/CN205921548U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106837628A (en) * | 2017-02-22 | 2017-06-13 | 成都聚立汇信科技有限公司 | Automobile-used oil pump controlling circuit |
| CN111532142A (en) * | 2020-02-29 | 2020-08-14 | 中国煤炭科工集团太原研究院有限公司 | Electro-hydraulic control automatic clutch device for coal mine electric engineering vehicle |
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| GR01 | Patent grant |